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CN-121571695-B - Motor shaft key slot milling machine tool for explosion-proof motor production

CN121571695BCN 121571695 BCN121571695 BCN 121571695BCN-121571695-B

Abstract

The invention discloses a motor shaft milling key groove machine tool for producing an explosion-proof motor, which relates to the technical field of milling machine tools, and comprises a machining table, wherein a Y-axis moving table, a milling machine and an X-axis moving table are respectively arranged above the machining table, an adjusting mechanism for adjusting the position of a motor shaft is arranged above the Y-axis moving table, a chuck cutter handle for replacing a milling cutter is arranged below the milling machine, a Z-axis moving table is arranged above the machining table on one side of the milling machine, the adjusting table is driven to rotate anticlockwise by 90 degrees through screw rotation, the adjusting table can drive the motor shaft to overturn at the moment, when the motor shaft finishes deep key groove machining, shallow key groove machining is convenient, and the motor shaft does not need to be clamped for multiple times in the process, so that the effects of one-time clamping and multiple procedures are achieved, the stability and the accuracy of the motor shaft during machining are improved as much as possible, and the accuracy of the milling key groove of the motor shaft is prevented from being influenced.

Inventors

  • XUE MAO
  • CAI JINFENG
  • LIU SHUQING
  • FAN LIANGHUA
  • WANG ZHENLING
  • XIAO CHANGRONG

Assignees

  • 巨龙电机(宁德)有限公司

Dates

Publication Date
20260512
Application Date
20260127

Claims (8)

  1. 1. The motor shaft key slot milling machine tool for producing the explosion-proof motor comprises a processing table (1) and is characterized in that a Y-axis moving table (2), a milling machine (3) and an X-axis moving table (4) are respectively arranged above the processing table (1), an adjusting mechanism (5) for adjusting the position of a motor shaft is arranged above the Y-axis moving table (2), a chuck cutter handle (8) for replacing a milling cutter is arranged below the milling machine (3), and a Z-axis moving table (6) is arranged above the processing table (1) on one side of the milling machine (3); The adjusting mechanism (5) comprises an adjusting table (505) capable of overturning, two sides of the adjusting table (505) are fixedly connected with a pair of connecting rods (510), one end of each connecting rod (510) is rotationally connected with a hinging block (507) through a pin shaft, a threaded block (513) is fixedly connected to the lower part of each hinging block (507), a screw (504) is connected to the inner threads of each threaded block (513), a rotary cylinder (506) and a matched moving cylinder (514) are respectively arranged above the adjusting table (505), one side of each connecting rod (510) is rotationally connected with a swinging rod (508) through a pin shaft, one end of each swinging rod (508) is fixedly connected with a rotating rod (509), and the lower part of each rotating rod (509) is rotationally connected with a mounting table (511); An auxiliary mechanism (7) for carrying out auxiliary positioning on a motor shaft is further arranged above the Y-axis moving table (2), the auxiliary mechanism (7) comprises an electric push rod (701) fixedly connected inside the adjusting table (505), the output end of the electric push rod (701) is fixedly connected with a driving rod (706), one end of the driving rod (706) is fixedly connected with a jacking column (708), a trapezoid plate (707) is in sliding contact with the upper part of the jacking column (708), and a moving frame (702) is fixedly connected with the upper part of the trapezoid plate (707); One side fixedly connected with sloping block (703) of movable frame (702), sloping block (703) top inclined plane sliding contact has traveller (704), the top of traveller (704) is provided with pull rod (705), the one end fixedly connected with wedge arm-tie (710) of pull rod (705), wedge arm-tie (710) are sliding connection with movable frame (702), the top sliding contact of wedge arm-tie (710) has bottom plate (712), the top of bottom plate (712) can be dismantled and be connected with brush board (711).
  2. 2. The motor shaft milling groove machine tool for producing the explosion-proof motor according to claim 1, wherein the adjusting mechanism (5) further comprises a motor (501) fixedly connected above the mounting table (511), a transmission shaft (502) is fixedly connected to the output end of the motor (501), the transmission shaft (502) drives two belts (503) to synchronously rotate through pulleys, the two belts (503) respectively drive two screws (504) to synchronously rotate inside the mounting table (511) through pulleys, and a cooling pipe is arranged above the adjusting table (505).
  3. 3. A motor shaft key milling groove machine tool for producing an explosion-proof motor according to claim 2, wherein one side of the rotating rod (509) is fixedly connected with a limiting rod (512), the surface of the limiting rod (512) is fixedly connected with two arc-shaped inserting rods (515), the surfaces of the two arc-shaped inserting rods (515) are respectively sleeved with an arc-shaped inserting sleeve (516) corresponding to the arc-shaped inserting rods, and the arc-shaped inserting sleeves (516) are fixedly connected with an installation table (511).
  4. 4. The motor shaft milling groove machine tool for producing an explosion-proof motor according to claim 1, wherein a plurality of top plates (709) are fixedly connected above the movable frame (702), and the top posts (708) are in sliding connection with the adjusting table (505).
  5. 5. The motor shaft milling groove machine tool for producing the explosion-proof motor according to claim 4, wherein one end of the bottom plate (712) is in sliding contact with a pushing plate (713), the pushing plate (713) is fixedly connected with the matching moving cylinder (514), a plurality of protruding blocks are arranged on one side, which is contacted with the bottom plate (712), of the pushing plate (713), and a buffer spring is arranged between the bottom plate (712) and the Y-axis moving table (2).
  6. 6. The motor shaft milling groove machine tool for producing the explosion-proof motor according to claim 5, wherein the inner side of the adjusting table (505) is provided with a chute, the auxiliary mechanism (7) further comprises a gravity ball (714) arranged in the chute, the surface of the gravity ball (714) is rotationally connected with a ring sleeve (716), one end of the ring sleeve (716) is detachably connected with a scraping plate (715), one end of the scraping plate (715) contacted with the adjusting table (505) is in telescopic arrangement, and a pair of collecting bins (9) are arranged in the adjusting table (505).
  7. 7. The motor shaft milling groove machine tool for producing the explosion-proof motor of claim 6, wherein a limit strip (717) is slidably connected to the outer side of the ring sleeve (716), the limit strip (717) is fixedly connected with the adjusting table (505), the limit strip (717) has the same size as the chute, and a pair of baffles (10) are arranged in the adjusting table (505).
  8. 8. The motor shaft milling groove machine tool for producing the explosion-proof motor according to claim 7, wherein a sealing gasket is arranged at the sliding position of the movable frame (702) and the adjusting table (505), one end of the bottom plate (712) far away from the pushing plate (713) is in sliding connection with the movable frame (702), the sliding position is communicated, and a return spring is arranged at the sliding position of the sliding column (704) and the adjusting table (505).

Description

Motor shaft key slot milling machine tool for explosion-proof motor production Technical Field The invention relates to the technical field of milling machines, in particular to a motor shaft milling groove machine tool for producing an explosion-proof motor. Background An explosion-proof motor is a motor specifically designed for safe operation in a hazardous environment where explosive gases or dust may be present. The core design aim is to prevent spark generated in the motor, high temperature or mechanical friction spark from igniting surrounding explosive mixture, thereby avoiding explosion accidents, and in order to realize circumferential fixation and torque transmission of the motor shaft and other components (such as gears, couplings, pulleys and the like), ensure that the components cannot slide relative to the shaft in the rotating process, and therefore, a key slot is required to be formed on the motor shaft. In the prior art, a milling machine is adopted to process a key groove on the surface of a motor shaft, a clamping device is firstly adopted to clamp and fix the motor shaft, then the motor shaft is moved to a designated position, and a milling cutter is controlled to mill the key groove on the motor shaft. However, because the shaft of the explosion-proof motor needs to transmit larger torque, in order to ensure the stability of torque transmission of the motor shaft, an axial deep key groove and a radial shallow key groove are formed on the surface of the motor shaft, when the deep key groove is milled, the motor shaft and the milling cutter are in a vertical state, and when the shallow key groove is milled, the motor shaft and the milling cutter are in a parallel state, the motor shaft is required to be removed after the deep key groove is milled, clamping is performed again, and the motor shaft is in a fixed state after vertical clamping, therefore, when the shallow key groove is milled, the position of the motor shaft is required to be continuously adjusted, so that annular shallow key groove processing on the surface of the motor shaft is completed, and after multiple clamping, new errors are continuously introduced, so that the milling precision of the motor shaft key groove is reduced. Disclosure of Invention In order to solve the problems that when milling the shallow key groove, the position of the motor shaft is required to be continuously adjusted to finish the processing of the annular shallow key groove on the surface of the motor shaft, and new errors are continuously introduced after clamping for many times, the invention adopts the following technical scheme: The motor shaft key slot milling machine tool for producing the explosion-proof motor comprises a processing table, wherein a Y-axis moving table, a milling machine and an X-axis moving table are respectively arranged above the processing table, an adjusting mechanism for adjusting the position of a motor shaft is arranged above the Y-axis moving table, a chuck cutter handle for replacing a milling cutter is arranged below the milling machine, and a Z-axis moving table is arranged above the processing table on one side of the milling machine; The adjusting mechanism comprises an adjusting table capable of overturning, two sides of the adjusting table are fixedly connected with a pair of connecting rods, one end of each connecting rod is connected with a hinging block through a pin shaft in a rotating mode, a threaded block is fixedly connected to the lower portion of each hinging block, a screw is connected to the inner threads of each threaded block, a rotary cylinder and a matched moving cylinder are respectively arranged above the adjusting table, one side of each connecting rod is connected with a swinging rod through a pin shaft in a rotating mode, one end of each swinging rod is fixedly connected with a rotating rod, and an installing table is connected to the lower portion of each rotating rod in a rotating mode. Preferably, the adjusting mechanism further comprises a motor fixedly connected above the mounting table, the output end of the motor is fixedly connected with a transmission shaft, the transmission shaft drives two belts to synchronously rotate through pulleys, the two belts respectively drive two screws to synchronously rotate inside the mounting table through pulleys, and a cooling pipe is arranged above the adjusting table. Preferably, one side fixedly connected with gag lever post of dwang, the fixed surface of gag lever post is connected with two arc inserted bars, two the surface of arc inserted bar is overlapped respectively and is equipped with the arc plug bush that corresponds with it, arc plug bush is fixed connection with the mount table. Preferably, the auxiliary mechanism for carrying out auxiliary positioning on the motor shaft is further arranged above the Y-axis moving table, the auxiliary mechanism comprises an electric push rod fixedly connected inside the adjusting table, an output