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CN-121988790-A - Tube cutting device for motorcycle steel tube production

CN121988790ACN 121988790 ACN121988790 ACN 121988790ACN-121988790-A

Abstract

The invention belongs to the technical field of steel pipe cutting, and discloses a pipe cutting device for motorcycle steel pipe production, which comprises a cutting part, wherein the cutting part is provided with a cutting knife, the cutting part comprises a heating mechanism for heating a local pipe body of a steel pipe body and a clamping mechanism for fixing the steel pipe body, the steel pipe body is locally heated through an electric heating pipe through a tooth cylinder plate, so that the hardness of the steel pipe is reduced, the hard contact resistance of the cutting knife is reduced, the pipe wall collapse is avoided, and the leveling of a cut is ensured.

Inventors

  • LI JIASHENG
  • YUAN TAO
  • Yuan Tengteng
  • YANG YUNXUE

Assignees

  • 济南尊旺数控科技有限公司

Dates

Publication Date
20260508
Application Date
20260401

Claims (8)

  1. 1. The pipe cutting device for motorcycle steel pipe production comprises a cutting part (2), and is characterized in that the cutting part (2) comprises a heating mechanism for heating a local pipe body of a steel pipe body (1) and a clamping mechanism for fixing; The heating mechanism comprises a machine base (201), a tooth barrel plate (206) is rotationally arranged on the machine base (201), round holes which are in fit sliding fit with the steel pipe body (1) are formed in the tooth barrel plate (206) in a penetrating mode along the axial direction, a plurality of electric heating pipes (207) used for heating are circumferentially arranged on the inner wall of the tooth barrel plate (206), a sleeve plate (208) is arranged in the tooth barrel plate (206), a plurality of groups of heat dissipation grooves (210) are formed in the sleeve plate (208) in a penetrating mode in the radial direction, electric cylinders are arranged on the sleeve plate (208), and cutting knives (215) are connected to the electric cylinders; The clamping mechanism comprises two clamping plates (220) movably mounted on the machine base (201), and the two clamping plates (220) are oppositely arranged; The machine base (201) is provided with a motor (202), and the motor (202) is connected with a tooth cylinder plate (206) and two clamping plates (220) through a transmission mechanism.
  2. 2. The tube cutting device for motorcycle steel tube production according to claim 1, wherein the sleeve plate (208) is externally rotatably sleeved with a square groove ring plate (209), the square groove ring plate (209) is radially penetrated and provided with a plurality of square grooves, the positions of the square grooves correspond to the positions of the heat dissipation grooves (210), and a connecting plate (211) is fixedly connected between the square groove ring plate (209) and the tooth cylinder plate (206).
  3. 3. The pipe cutting device for motorcycle steel pipe production according to claim 2, wherein two L-shaped rod frames (212) are fixedly connected to the outer wall of the plate body of the sleeve plate (208), the L-shaped rod frames (212) are in blocking limit fit with the connecting plates (211), and the two end plate bodies of the sleeve plate (208) are movably sleeved with the inner wall of the tooth cylinder plate (206).
  4. 4. The pipe cutting device for motorcycle steel pipe production according to claim 3, wherein two T-shaped arc plates (213) are fixedly connected to inner walls of two sides of the top end of the square groove ring plate (209), and T-shaped arc grooves (214) which are correspondingly attached to and slidingly connected with the two T-shaped arc plates (213) are formed in two side plate bodies of the top end of the sleeve plate (208).
  5. 5. The tube cutting device for motorcycle steel tube production according to claim 1, wherein the transmission mechanism comprises a rotating rod (203) fixedly connected with the motor (202), the rotating rod (203) is rotatably installed on the machine base (201), two limit sleeve rods (204) are movably sleeved on the rotating rod (203), the two limit sleeve rods (204) are fixedly connected with the machine base (201), the rotating rod (203) is fixedly connected with a gear (205), and the gear (205) is in meshed connection with the tooth cylinder plate (206).
  6. 6. The tube cutting device for motorcycle steel tube production according to claim 5, wherein the transmission mechanism further comprises a billiard rod (216) fixedly connected to the rotating rod (203), an elastic telescopic piece (217) is fixedly connected to the machine base (201), the billiard rod (216) is in sliding press fit with the top end of the elastic telescopic piece (217), and a bending plate (218) is fixedly connected to the top end of the elastic telescopic piece (217); And the two top end plate bodies of the bending plate (218) are respectively attached to and connected with a sloping abutment plate (219) in a sliding manner, and the two sloping abutment plates (219) are respectively and correspondingly fixedly connected with the two clamping plates (220).
  7. 7. The tube cutting device for motorcycle steel tube production according to claim 6, wherein a T-shaped sliding block (221) is fixedly connected to one end plate body of each of the two clamping plates (220), a T-shaped lug plate frame (222) is fixedly connected to the top end of the machine base (201), a T-shaped sliding groove which is in sliding clamping connection with the two T-shaped sliding blocks (221) is formed in one end plate body of the T-shaped lug plate frame (222), and springs (223) are jointly and fixedly connected between the two end plate bodies at the top of the T-shaped lug plate frame (222) and the two clamping plates (220).
  8. 8. The tube cutting device for motorcycle steel tube production according to claim 7, wherein an annular support (224) is fixedly connected to the outer wall of one end of the tooth cylinder plate (206), a supporting connecting plate (225) is rotationally connected to the annular support (224), and a bottom end plate body of the supporting connecting plate (225) is fixedly connected with the machine base (201).

Description

Tube cutting device for motorcycle steel tube production Technical Field The invention belongs to the technical field of steel pipe cutting, and particularly relates to a pipe cutting device for motorcycle steel pipe production. Background The steel tube of the motorcycle is a basic material for forming key components such as a frame, a rear bottom fork and the like, the strength, the safety and the cost of the vehicle are directly influenced by the materials, the processing technology and the design of the steel tube, and in an actual vehicle type, the steel tube is widely applied, for example, an electric motorcycle is provided with a thickened steel tube frame at the very moment, the whole life cycle is declared to be free from corrosion, a reinforced frame design is adopted when a new continent is mounted in G700, the weight and the strength are both considered, and along with the development of electric operation, the steel tube frame is still used for supporting the components such as a battery and the like, for example, the structural stability is improved through the 72V electric motorcycle by the thickened steel tube. At present, most of motorcycle steel pipes are thin-wall seamless pipes, requirements on cutting perpendicularity, end surface flatness and pipe diameter roundness are extremely high, when a cutter of common sawing or rotary cutting equipment in the prior art cuts the thin-wall steel pipes, the produced extrusion easily causes pipe wall collapse, a large number of burrs exist after cutting the cuts, a polishing procedure is additionally required to be additionally added, the pipe is clamped and positioned by a manual positioning or manual operation clamping mechanism, the pipe is locally clamped and positioned generally, so that radial movement and circumferential rotation of the steel pipes are easy to occur in the cutting process, the perpendicularity of the cuts and the steel pipe axis exceeds standard, and the production and cutting efficiency of the steel pipes is low and the precision is low. Disclosure of Invention In order to solve the problems in the background technology, the invention provides a pipe cutting device for producing motorcycle steel pipes. In order to achieve the above purpose, the present invention provides the following technical solutions: the pipe cutting device for motorcycle steel pipe production comprises a cutting part, wherein the cutting part comprises a heating mechanism for heating a local pipe body of a steel pipe body and a clamping mechanism for fixing the heating mechanism; The heating mechanism comprises a machine base, a tooth cylinder plate is rotationally arranged on the machine base, round holes which are in fit sliding fit with the steel pipe body are formed in the tooth cylinder plate in a penetrating mode along the axial direction, a plurality of electric heating pipes used for heating are arranged on the inner wall of the tooth cylinder plate along the circumferential direction, a sleeve plate is arranged in the tooth cylinder plate, a plurality of groups of heat dissipation grooves are formed in the sleeve plate in a penetrating mode in the radial direction, an electric cylinder is arranged on the sleeve plate, and the electric cylinder is connected with a cutting knife; the clamping mechanism comprises two clamping plates movably arranged on the machine base, and the two clamping plates are oppositely arranged; the machine base is provided with a motor, and the motor is connected with the tooth cylinder plate and the two clamping plates through a transmission mechanism. Preferably, the sleeve plate is externally and rotatably sleeved with a square groove ring plate, the square groove ring plate is radially penetrated and provided with a plurality of square grooves, the positions of the square grooves correspond to the positions of the heat dissipation grooves, and a connecting plate is fixedly connected between the square groove ring plate and the tooth cylinder plate. Preferably, two L-shaped rod frames are fixedly connected to the outer wall of the plate body of the sleeve plate, the L-shaped rod frames are in blocking and limiting fit with the connecting plate, and the two end plate bodies of the sleeve plate are movably sleeved with the inner wall of the tooth cylinder plate. Preferably, two T-shaped arc plates are fixedly connected in the inner walls of the two sides of the top end of the square groove ring plate, and T-shaped arc grooves which are correspondingly attached and slidably connected with the two T-shaped arc plates are formed in the two side plates of the top end of the sleeve plate. Preferably, the transmission mechanism comprises a rotating rod fixedly connected with the motor, the rotating rod is rotatably arranged on the machine base, two limiting sleeve rods are movably sleeved on the rotating rod, the two limiting sleeve rods are fixedly connected with the machine base, the rotating rod is fixedly connected wit