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CN-224224011-U - Pipe fitting circular cutting machine

CN224224011UCN 224224011 UCN224224011 UCN 224224011UCN-224224011-U

Abstract

The utility model provides a pipe annular cutting machine which comprises a base and at least two pipe clamping assemblies arranged at the top of the base, wherein the base is provided with the pipe annular cutting assemblies positioned between the two adjacent pipe clamping assemblies, the pipe clamping assemblies comprise two-way screw structures and two moving templates, the two-way screw structures are symmetrically arranged on the base front and back through bearings, the two moving templates are arranged on the two-way screw structures and move up and down relatively, pipe clamping plates are fixed between the two adjacent moving templates, and the two-way screw structures move so that the two pipe clamping plates are separated or move relatively through the two adjacent moving templates respectively. The self-adaptive fixing of the pipe is realized through the pipe clamping assembly driven by the bidirectional screw rod, the clamping distance of the upper pipe clamping plate and the lower pipe clamping plate can be automatically adjusted according to different pipe diameters, the axial direction of the pipe is completely fixed in the cutting process, and the problem of internal stress cracking of PVC materials caused by the rotation of the pipe in the traditional cutting mode is avoided.

Inventors

  • XIONG JIANXIN
  • ZHANG QIAN
  • YANG YINGCHUN
  • YAN JING
  • WEI ZHEN
  • SU JUN

Assignees

  • 大力储能技术湖北有限责任公司

Dates

Publication Date
20260512
Application Date
20250407

Claims (9)

  1. 1. The pipe annular cutting machine comprises a base (10), a belt feeder (20) and at least two pipe clamping assemblies (30), wherein the belt feeder (20) and the at least two pipe clamping assemblies (30) are arranged on the top of the base, the pipe annular cutting assemblies (40) are arranged between the two adjacent pipe clamping assemblies (30), and the pipe annular cutting machine is characterized in that the pipe clamping assemblies (30) comprise a bidirectional screw structure (31) and two moving templates (32) which are symmetrically arranged on the base (10) from front to back through bearings, the two moving templates (32) are arranged on the bidirectional screw structure (31) and move relatively up and down, a pipe clamping plate (33) is fixed between the two adjacent moving templates (32), and the two clamping plates (33) are separated or move relatively through the two adjacent moving templates (32) respectively; The pipe fitting ring cutting assembly (40) comprises a supporting ring (41) fixed on the base (10) and a toothed ring (46) rotatably arranged on the side portion of the supporting ring (41), a motor A (42) is further fixed above the supporting ring (41), a gear (43) meshed with the toothed ring (46) is arranged at the output end of the motor A (42), symmetrically distributed air/electric cylinders A (44) are arranged at one side, far away from the supporting ring (41), of the toothed ring (46), ring cutters (45) are arranged at the output end of the air/electric cylinders A (44), pipe fittings are fixed through relative movement of two moving templates (32), and the ring cutters (45) rotate to cut the pipe fittings through the toothed ring (46).
  2. 2. The pipe fitting circular cutting machine according to claim 1, wherein the belt feeder (20) comprises a groove type seat A (21) arranged horizontally and a double-head cylinder A (22) arranged in an inner groove of the groove type seat A (21), two belt conveyors (23) arranged vertically are respectively fixed above two output ends of the double-head cylinder A (22), two adjacent belt conveyors (23) clamp and convey pipe fittings to a pipe fitting clamping assembly (30), a connecting plate A (26) is fixed above two output ends of the double-head cylinder A (22), and the upper part of the connecting plate A (26) is fixed with the belt conveyors (23).
  3. 3. The pipe fitting circular cutting machine according to claim 2, wherein slide rails A (24) are respectively arranged above two sides of the groove-shaped seat A (21), at least two sliding blocks A (25) slide above the slide rails A (24), connecting blocks (27) are respectively arranged on two sides below the belt conveyor (23), and the two connecting blocks (27) of each belt conveyor (23) are respectively fixed with the same sliding blocks A (25) of the two slide rails A (24).
  4. 4. The circular cutting machine for pipe fittings according to claim 1, wherein the bidirectional screw rod structure (31) comprises a fixed plate A (311) fixed on a base (10) and a fixed plate B (312) positioned above the fixed plate A (311), a bidirectional screw rod (315) which is fixed between the fixed plate A (311) and the fixed plate B (312) through a bearing and is in up-down bidirectional screw, and at least one sliding shaft (313), two screw sleeves (316) are respectively arranged on the bidirectional screw of the bidirectional screw rod (315) in a threaded manner, two sliding sleeves (314) are respectively arranged on the sliding shaft (313) in a sliding manner, and two sides of the clamping plate (33) for the pipe fittings are respectively fixed with the front sliding sleeve (314) and the rear sliding sleeve (316).
  5. 5. The pipe-like piece circular cutting machine according to claim 1, characterized in that the bi-directional screw structure (31) further comprises pulleys (317) fixed above the bi-directional screw (315), adjacent two pulleys (317) are in driving connection by a belt (318), and a motor B (319) is fixed above one of the bi-directional screws (315).
  6. 6. The pipe fitting circular cutting machine according to claim 1, further comprising a pipe fitting guiding assembly (50) positioned on one side of the belt feeder (20) far away from the pipe fitting clamping assembly (30), wherein the pipe fitting guiding assembly (50) comprises a vertically arranged groove-shaped seat B (51), a double-head cylinder B (52) is arranged in the groove-shaped seat B (51), connecting plates B (53) are respectively arranged at double-head output ends of the double-head cylinders B (52), transverse plates (54) are fixedly arranged on the connecting plates B (53), a plurality of guide rollers (57) are arranged on the transverse plates (54) through bearings, and the guide rollers (57) and the transverse plates (54) clamp and guide the pipe fitting through double-head synchronous movement of the double-head cylinders B (52).
  7. 7. The circular cutting machine for pipe fittings according to claim 6, wherein the upper parts of the two sides of the groove-shaped seat B (51) are respectively provided with a sliding rail B (55), at least two sliding blocks B (56) slide above the sliding rail B (55), and one side of the sliding block B (56) far away from the sliding rail B (55) is fixed with the back of the transverse plate (54).
  8. 8. The pipe circular cutting machine according to claim 1, wherein the base (10) is further provided with a pipe receiving assembly (60) close to the pipe clamping assembly (30), and the pipe receiving assembly (60) comprises a limiting part and a lifting part; The two sides of the top of the base (10) are respectively provided with a sliding rail C (61), the two sides of the limiting part comprise a supporting table (63) which is arranged on the sliding rail C (61) in a sliding way through a sliding block (62), an air/electric cylinder B (64) is arranged above the supporting table (63), and the output end of the air/electric cylinder B (64) is provided with a retaining plate (65) corresponding to the pipe piece; the lifting part comprises a plurality of supporting plates (66) which are arranged on the sliding rail C (61) in a sliding manner through sliding blocks (62) on two sides of the bottom, and the supporting plates (66) are positioned on one side, close to the pipe clamping assembly (30), of the supporting table (63).
  9. 9. The circular pipe cutting machine as claimed in claim 8, wherein the pallet (66) is provided with a pneumatic/electric cylinder C (67) at a side thereof, the pneumatic/electric cylinder C (67) is located at a position deviated from the pipe clamped in the pipe clamping assembly (30), and an output end of the pneumatic/electric cylinder C (67) extends to a top of the pallet (66), and the top of the pallet (66) has a concave design and one end thereof is tilted upward.

Description

Pipe fitting circular cutting machine Technical Field The utility model relates to the technical field of pipe annular cutting processing, in particular to a pipe annular cutting machine. Background At present, PVC pipe fittings at home and abroad are mainly applied to liquid transportation in different fields such as water supply and drainage, chemical industry, petroleum, printed circuits, electronic plating, food, municipal administration, electric power liquid flow energy storage and the like. The model of each component in the PVC pipe is regulated and controlled according to the corresponding standards of national standard, american standard, english standard and Japanese standard. The diameter of the PVC pipe is different from phi 16 mm to phi 600 mm. PVC pipe has no specific cutting equipment in the process of application production and processing, although the cutting mode of pipe cutting equipment with steel materials is very similar, the PVC pipe can not rotate due to the special nature of materials in the cutting process, the pipe rotating motion is easy to generate cracking of internal tissues of materials, the metal pipe at home and abroad at present is cut by adopting a high-temperature cutting mode (laser cutting, flame cutting and the like) which needs dynamic rotation of the pipe and can melt PVC materials, the mode is not suitable for PVC pipe processing, and the other processing mode of the metal pipe is to cut the pipe by adopting a metal saw blade or a grinding wheel cutting piece, the cutting of the mode causes larger cutting burr, dust residues exist in cutting of the grinding wheel cutting piece, and the mode is not ideal. In addition, the domestic automatic feeding frame for the pipe fittings does not have the function of automatic mold changing of the pipe diameters with multiple types, and the mold changing processing of different pipe diameters needs to be manually adjusted or changed to adapt to the difference of the pipe diameters. Disclosure of Invention The utility model provides a pipe annular cutting machine, which solves the problem that the cutting of a cutting machine in cooperation with the rotary motion of a pipe in the prior art is easy to cause cracking of internal tissues of materials. The technical scheme of the utility model is realized as follows: A pipe annular cutting machine comprises a base, a belt feeder and at least two pipe clamping components, wherein the belt feeder and the at least two pipe clamping components are arranged on the top of the base in parallel; the pipe clamping assembly is characterized by comprising a bidirectional screw rod structure and two moving templates, wherein the bidirectional screw rod structure is arranged on the base in a front-back symmetrical way through a bearing, the two moving templates are arranged on the bidirectional screw rod structure and move up and down relatively, a pipe clamping plate is fixed between the front adjacent moving template and the rear adjacent moving template, and the two bidirectional screw rod structure moves to enable the upper pipe clamping plate and the lower pipe clamping plate to move away from or relatively respectively through the two adjacent moving templates; The pipe annular cutting assembly comprises a supporting ring fixed on a base and a toothed ring rotationally arranged on the side part of the supporting ring, a motor A is further fixed above the supporting ring, a gear meshed with the toothed ring is arranged at the output end of the motor A, symmetrically distributed air/electric cylinders A are arranged on one side, away from the supporting ring, of the toothed ring, annular cutters are arranged at the output end of the air/electric cylinders A, the pipe is fixed through relative movement of two moving templates, and the annular cutters are used for annular cutting of the pipe through rotation of the toothed ring. Further, the belt feeder comprises a groove-shaped seat A arranged horizontally and a double-head air cylinder A arranged in an inner groove of the groove-shaped seat A, wherein vertically arranged belt conveyers are respectively fixed above two output ends of the double-head air cylinder A, two adjacent belt conveyers clamp and convey pipe fittings to a pipe fitting clamping assembly, a connecting plate A is fixed above the two output ends of the double-head air cylinder A, and the upper part of the connecting plate A is fixed with the belt conveyers. Further, slide rails A are respectively arranged above two sides of the groove-shaped seat A, at least two sliding blocks A slide above the slide rails A, connecting blocks are respectively arranged on two sides below the belt conveyor, and the two connecting blocks of each belt conveyor are respectively fixed with the sliding blocks A on the same side of the two slide rails A. Further, the bidirectional screw rod structure comprises a fixing plate A fixed on the base and a fixing plate B positioned above the fixing pla