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CN-224209596-U - Inner wall polishing device for tail gas pipe production

CN224209596UCN 224209596 UCN224209596 UCN 224209596UCN-224209596-U

Abstract

The utility model relates to the technical field of polishing equipment, in particular to an inner wall polishing device for tail gas pipe production, which comprises a workbench, wherein a chuck and a polishing mechanism are arranged on the workbench, the polishing mechanism comprises a movable seat, a base, a motor, a telescopic shaft component and a abrasive cloth impeller, a fixed shaft sleeve is fixed on the base, the tail end of an output shaft of the motor is provided with a prismatic shaft extending into the fixed shaft sleeve, and the telescopic shaft component comprises a movable shaft sleeve and a movable shaft. This inner wall burnishing device is used in tail gas pipe production through setting up the telescopic shaft subassembly that can stretch out and draw back on fixed axle sleeve, makes it through the flexible length of adjustment, can polish the tail gas pipe raw materials inner wall of different length, reduces the operation flow of equipment adjustment and change.

Inventors

  • LUO YONG

Assignees

  • 重庆事达金仑汽车零部件有限责任公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (8)

  1. 1. The inner wall polishing device for tail gas pipe production comprises a workbench (100), and is characterized in that a chuck (130) is arranged at one side position of the top of the workbench (100), a polishing mechanism (200) capable of moving towards the chuck (130) in a approaching or separating way is arranged at the other side position of the top of the workbench (100), the polishing mechanism (200) comprises a movable seat (210), a base (220) arranged on the movable seat (210), a motor (230) arranged on one side end surface of the base (220), a telescopic shaft assembly (240) which is coaxially connected with the motor (230) and can axially move, and a abrasive cloth page wheel (250) arranged at the tail end of the telescopic shaft assembly (240), and the movable seat (210) is in sliding connection with the top of the workbench (100); A hollow fixed shaft sleeve (221) is fixed on the end surface of the other side of the base (220), the tail end of the output shaft of the motor (230) penetrates through the base (220) and is coaxially and fixedly connected with a prismatic shaft (231), and the prismatic shaft (231) extends into the fixed shaft sleeve (221); The telescopic shaft assembly (240) comprises a movable shaft sleeve (241) and a movable shaft (242) sleeved in the movable shaft sleeve (241), the movable shaft sleeve (241) is sleeved outside the fixed shaft sleeve (221) and slides along the fixed shaft sleeve (221) in a limiting mode, one end of the movable shaft (242) is limited at the end portion of the movable shaft sleeve (241) and is rotationally connected with the movable shaft sleeve (241), a trepanning (2421) matched with the prismatic shaft (231) in shape is formed in one end of the movable shaft (242), the prismatic shaft (231) stretches into the trepanning (2421), a threaded column (2422) is arranged at the other end of the movable shaft (242), a locking plate (2423) is connected to the threaded column (2422) in a threaded mode, and the locking plate (2423) locks the abrasive cloth page wheel (250) on the threaded column (2422).
  2. 2. The device for polishing the inner wall for producing the tail gas pipe according to claim 1, wherein the top surface of the workbench (100) is provided with a strip-shaped through groove (110), a threaded rod-shaped adjusting rod (120) is rotationally connected to the through groove (110), a poking wheel (121) is arranged at the head end of the adjusting rod (120), a protruding seat (211) extending into the through groove (110) is arranged at the bottom end of the movable seat (210), the protruding seat (211) is in sliding connection with the through groove (110), and the adjusting rod (120) penetrates through the protruding seat (211) and is in threaded connection with the protruding seat (211).
  3. 3. The device for polishing an inner wall for tail gas pipe production according to claim 1, wherein a hanging groove (212) with a T-shaped cross section is formed in the top edge of the side end face of the movable seat (210), one end of a screw rod (213) is arranged in the hanging groove (212), the screw rod (213) is vertically arranged, a hand wheel (2131) is arranged at the top end of the screw rod, and the screw rod (213) penetrates through the base (220) and is in threaded connection with the base (220).
  4. 4. The apparatus of claim 1, wherein the movable base (210) has a plurality of guide posts (214) fixed to a top end thereof, and the guide posts (214) are inserted into the base (220) and slidably coupled to the base (220).
  5. 5. The device for polishing the inner wall for producing the tail gas pipe according to claim 1, wherein a limiting groove (222) is formed in the outer side surface of the fixed shaft sleeve (221) along the axial direction of the fixed shaft sleeve, a sliding cavity is formed in the end portion of the movable shaft sleeve (241), the fixed shaft sleeve (221) stretches into the sliding cavity, a locking bolt (2411) is connected to the outer peripheral surface of the movable shaft sleeve (241) in a threaded mode, the tail end of the locking bolt (2411) stretches into the limiting groove (222), and the tail end of the locking bolt (2411) can be abutted to the groove bottom of the limiting groove (222) by screwing the locking bolt (2411).
  6. 6. The device for polishing an inner wall for tail gas pipe production according to claim 1, wherein an annular groove (2424) is formed in the outer peripheral surface of the tail end of the movable shaft (242), a pin (2412) is inserted into the end of the movable shaft sleeve (241), and the pin (2412) extends into the annular groove (2424).
  7. 7. The apparatus for polishing an inner wall for use in production of an exhaust pipe according to claim 1, wherein the prismatic shaft (231) has a hexagonal prism shape, and the cross section of the trepanning (2421) is a regular hexagon.
  8. 8. The apparatus for polishing an inner wall for exhaust pipe production according to claim 1, wherein the movable sleeve (241) has a maximum outer diameter smaller than an outer diameter of the abrasive cloth impeller (250).

Description

Inner wall polishing device for tail gas pipe production Technical Field The utility model relates to the technical field of polishing equipment, in particular to an inner wall polishing device for tail gas pipe production. Background In the automotive industry, the exhaust pipe is used as a key component of an exhaust system, and the quality of the inner wall of the exhaust pipe is critical to the exhaust emission performance, the noise reduction effect and the service life. In the production process of the tail gas pipe, polishing of the inner wall is an indispensable process link. Through polishing treatment, the surface roughness of the inner wall of the tail gas pipe can be effectively reduced, the exhaust resistance is reduced, the tail gas circulation efficiency is improved, carbon deposition is prevented from adhering, and the service life of a pipeline is prolonged. The common polishing processes comprise mechanical polishing, chemical polishing, electrolytic polishing and the like, and the technologies can accurately control the inner wall smoothness, ensure that the tail gas pipe meets strict environmental protection and performance standards, and provide guarantee for the stable operation of automobiles. Currently, in the mechanical polishing of the inner wall of the tail gas pipe, the installation positions of polishing parts of most polishing equipment are fixed, the adaptation problem exists when the tail gas pipe raw materials with different lengths are processed, when the length of the tail gas pipe is changed, an operator needs to reinstall the equipment or adjust the position, the operation steps and the time cost are increased, and in this regard, the inner wall polishing device for the production of the tail gas pipe is provided. Disclosure of utility model The utility model aims to provide an inner wall polishing device for tail gas pipe production, which solves the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides an inner wall burnishing device is used in tail gas pipe production, includes the workstation, one side position department at workstation top is equipped with the chuck, the opposite side position department at workstation top is equipped with the polishing mechanism that can be close to or keep away from the removal towards the chuck, polishing mechanism includes movable seat, the base of setting on the movable seat, install on the terminal surface of base one side motor, with motor coaxial coupling and can carry out axial movable telescopic shaft subassembly and install the abrasive cloth impeller at the telescopic shaft subassembly end, movable seat and workstation top sliding connection; A hollow fixed shaft sleeve is fixed on the end surface of the other side of the base, the tail end of the output shaft of the motor penetrates through the base and is coaxially and fixedly connected with a prismatic shaft, and the prismatic shaft extends into the fixed shaft sleeve; The telescopic shaft assembly comprises a movable shaft sleeve and a movable shaft sleeved in the movable shaft sleeve, the movable shaft sleeve is sleeved outside the fixed shaft sleeve and slides along the fixed shaft sleeve in a limiting mode, one end of the movable shaft is limited at the end portion of the movable shaft sleeve and is rotationally connected with the movable shaft sleeve, a trepanning matched with the shape of the prismatic shaft is formed in one end of the movable shaft, the prismatic shaft stretches into the trepanning, a threaded column is arranged at the other end of the movable shaft, a locking plate is connected to the threaded column in a threaded mode, and the abrasive cloth page wheel is locked on the threaded column through the locking plate. Preferably, the top surface of workstation has seted up the logical groove of bar, it is connected with the regulation pole of screw thread shaft-like to lead to the groove rotation, the thumb wheel is installed to the head end of regulation pole, the bottom of movable seat is equipped with the boss that stretches into in the logical groove, boss and logical groove sliding connection, the regulation pole runs through boss and with boss threaded connection. In the arrangement, the adjusting rod is driven to rotate by rotating the shifting wheel, and the movable seat can move transversely along the workbench by utilizing the threaded transmission of the adjusting rod and the convex seat, so that the relative position of the polishing mechanism and the tail gas pipe workpiece can be conveniently adjusted. Preferably, a hanging groove with a T-shaped cross section is formed in the top edge of the side end face of the movable seat, one end of a screw rod is arranged in the hanging groove, the screw rod is vertically arranged, a hand wheel is mounted at the top end of the screw rod, and the screw rod penetrates through the