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CN-121989157-A - Spherical grinding machine tool for aluminum alloy flange

CN121989157ACN 121989157 ACN121989157 ACN 121989157ACN-121989157-A

Abstract

The invention relates to the technical field of spherical grinding, and particularly discloses a spherical grinding machine tool for an aluminum alloy flange. The invention comprises a machine table, a frame assembly arranged on the outer peripheral side of the top of the machine table, a composite grinding unit for grinding the inner peripheral surface and the outer peripheral surface of an aluminum alloy flange, a spherical grinding unit for grinding the spherical surface of the aluminum alloy flange, a pre-cleaning assembly for breaking an oil film on a processed surface and removing loose impurities to enable the surface of a base material to be in a clean state, a spreading assembly for supplying grinding agents from points or parts to a continuous grinding material film with controlled thickness and uniform distribution, and a composite grinding assembly for removing materials under the composite track of planetary rotation and revolution on the basis, wherein the grinding material plays a cutting and removing role under a stable contact condition, the surface roughness of a workpiece tends to be uniform, and the occurrence of dry grinding, local stacking or over-cutting is reduced.

Inventors

  • GAO WEIRONG

Assignees

  • 江苏铁宝锻造有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (9)

  1. 1. The spherical grinding machine tool for the aluminum alloy flange is characterized by comprising a machine table (101), a frame assembly (104) arranged on the outer periphery side of the top of the machine table (101), a composite grinding unit (103) for grinding the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, and a spherical grinding unit (102) for grinding the spherical surface of the aluminum alloy flange; The compound grinding unit (103) comprises a pre-cleaning component (1031) for cleaning the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, a spreading component (1032) for spreading a grinding agent on the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, a compound grinding component (1033) for grinding the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, a liquid spraying component (1034) for spraying the grinding agent on the inner peripheral surface of the aluminum alloy flange, a gear component (1036) for respectively driving the pre-cleaning component (1031), the spreading component (1032) and the compound grinding component (1033) to operate, and a driving component (1035) for driving the gear component (1036) to operate, wherein the pre-cleaning component, the spreading component (1032) and the compound grinding component (1036) are sequentially arranged along the machining direction; The gear assembly (1036) comprises a sun gear (10361), a first planet gear (10362), a second planet gear (10363), a third planet gear (10364) and a planet carrier (10365), wherein the sun gear (10361) is configured to rotate around a preset axis, the planet carrier (10365) is coaxially arranged with the sun gear (10361) and the planet carrier (10365) is configured to revolve around the preset axis, the first planet gear (10362), the second planet gear (10363) and the third planet gear (10364) are distributed in a circumferential array along the circumferential direction of the sun gear (10361) and are meshed with the sun gear (10361), and the first planet gear (10362), the second planet gear (10363) and the third planet gear (10364) are respectively and rotatably connected with the planet carrier (10365) through respective rotation axes, so that when the planet carrier (10365) revolves around the preset axis, the first planet gear (10362), the second planet gear (10363) and the third planet gear (10364) rotate around the circumference of the sun gear (10361) synchronously and are meshed with the sun gear (10361); The driving assembly (1035) comprises a motor mounting plate (10352) fixedly mounted in the machine table (101), the motor mounting plate (10352) is located below the machining table top, a second grinding motor (10351) fixedly mounted on the motor mounting plate (10352), a driving wheel (10353) coaxially connected with the output end of the second grinding motor (10351) in a transmission mode, a driving belt (10354) in transmission connection with the driving wheel (10353), a driven driving wheel (10355) in transmission connection with the driving belt (10354), a driving shaft (10356) coaxially connected with the driven driving wheel (10355) in transmission mode, and the driving shaft (10356) is in transmission connection with the gear assembly (1036).
  2. 2. A spherical grinding machine tool for aluminum alloy flanges according to claim 1, wherein the pre-cleaning assembly (1031) comprises an inner cleaning roller (10311) for pre-cleaning the inner peripheral surface of the aluminum alloy flange, an outer cleaning roller (10312) for pre-cleaning the outer peripheral surface of the aluminum alloy flange, and a first transmission assembly (10313) for driving the inner cleaning roller (10311) and the outer cleaning roller (10312) to rotate; The spreading assembly (1032) comprises an inner spreading roller (10321) for spreading the grinding agent on the inner peripheral surface of the aluminum alloy flange, an outer spreading roller (10322) for spreading the grinding agent on the outer peripheral surface of the aluminum alloy flange, and a second transmission assembly (10323) for driving the inner spreading roller (10321) and the outer spreading roller (10322) to rotate; The compound grinding component (1033) comprises an inner grinding piece (10331) for grinding the inner peripheral surface of the aluminum alloy flange, an outer grinding piece (10332) for grinding the outer peripheral surface of the aluminum alloy flange, and a third transmission component (10333) for driving the inner grinding piece (10331) and the outer grinding piece (10332) to rotate; The first transmission assembly (10313), the second transmission assembly (10323) and the third transmission assembly (10333) have the same structure and are sequentially driven by the first planet wheel (10362), the second planet wheel (10363) and the third planet wheel (10364).
  3. 3. The spherical grinding machine tool for aluminum alloy flanges according to claim 2, wherein the first transmission assembly (10313) comprises a driving gear (10367) in coaxial transmission connection with the first planet gear (10362), a driven gear (10369) in transmission connection with the driving gear (10367) through a chain (10314), a tensioning gear (10368) for adjusting tension of the chain (10314), a gear mounting plate (10318) for bearing the driving gear (10367) and the driven gear (10369), a sliding groove (103181) is formed in the gear mounting plate (10318), the driving gear (10367) is rotatably mounted on the gear mounting plate (10318), a bearing is slidably mounted in the sliding groove (103181), and the driven gear (10369) is coaxially rotatably mounted on the bearing.
  4. 4. A spherical grinding machine tool for aluminum alloy flanges according to claim 3, wherein a connecting block (10316) is arranged on one side of the gear mounting plate (10318), an adjusting rod (10315) is rotatably connected to the bottom of the connecting block (10316), the tensioning gear (10368) is rotatably arranged at one end of the adjusting rod (10315), a waist-shaped groove (103151) is formed in the other end of the adjusting rod (10315), the waist-shaped groove (103151) is slidably connected with a connecting shaft of the driven gear (10369), and an adjusting component (10319) for adjusting the angle of the adjusting rod (10315) is arranged on the connecting block (10316).
  5. 5. The spherical grinding machine tool for aluminum alloy flanges according to claim 4, wherein the adjusting assembly (10319) comprises an adjusting motor (103191) fixedly mounted on the top of the gear mounting plate (10318), a threaded rod (103192) in transmission connection with the output end of the adjusting motor (103191), an adjusting rack (103193) fixedly connected with the other end of the threaded rod (103192), and an adjusting gear (103194) in meshing connection with the adjusting rack (103193), the adjusting gear (103194) is coaxially connected with the rotating shaft of the adjusting rod (10315), and the angle of the adjusting rod (10315) is adjusted through the adjusting motor (103191).
  6. 6. The spherical grinding machine tool of an aluminum alloy flange according to claim 5, wherein the frame assembly (104) comprises a first upright (1041) configured to be vertically supported, a first cross member (1042) configured to be horizontally connected between the first uprights (1041) to form an external frame structure, a second upright (1043) configured to be vertically supported on the first cross member (1042), a second cross member (1044) horizontally connected to the top of the second upright (1043), the second cross member (1044) configured to mount the spherical grinding unit (102).
  7. 7. The spherical grinding machine tool for aluminum alloy flanges according to claim 6, wherein the spherical grinding unit (102) comprises a mounting transverse plate (1021) fixedly mounted on the top of the second transverse beam (1044), a mounting vertical plate (1022) fixedly connected with one side of the mounting transverse plate (1021), a lifting cylinder (1023) and a sliding rail (1024) which are sequentially mounted on the side wall of the mounting vertical plate (1022) from top to bottom, an L-shaped mounting block (1025) which is slidably mounted on the sliding rail (1024), the L-shaped mounting block (1025) is fixedly connected with a piston rod of the lifting cylinder (1023), a first grinding motor (1026) is mounted on the L-shaped mounting block (1025), a main shaft (1027) is in transmission connection with the first grinding motor (1026), a spherical grinding piece (1028) is fixedly mounted at the bottom of the main shaft (1027), and a spherical grinding surface is arranged at the bottom of the spherical grinding piece (1028).
  8. 8. A spherical grinding machine for aluminium alloy flanges according to claim 4 or 5, characterized in that the bottom of the gear mounting plate (10318) is provided with a sliding bar (10317), the sliding bar (10317) is slidably mounted in an annular groove (10366), and the annular groove (10366) is fixedly mounted coaxially on top of the planet carrier (10365).
  9. 9. A spherical grinding machine for aluminium alloy flanges according to claim 8, characterized in that the bottom of the planet carrier (10365) is provided with a number of support legs which are fixedly mounted on top of the machine table (101).

Description

Spherical grinding machine tool for aluminum alloy flange Technical Field The invention relates to the technical field of spherical grinding, in particular to a spherical grinding machine tool for an aluminum alloy flange. Background The aluminum alloy flange is widely applied in the fields of automobiles, hydraulic pressure, sealing elements and the like, and the conventional common spherical/circumferential grinding process is mainly to directly spray or point-like add a grinding preparation (grinding paste or suspension) onto a surface to be processed, and then grind the surface by using a grinding head with a single rotating or reciprocating track. The process is easy to realize on a production line, has a relatively simple equipment structure, and is difficult to meet increasingly strict processing requirements on the quality and process stability of finished products. Firstly, residues and loose particles are usually arranged on the surface of a workpiece after the previous working procedure, and under the condition that special pre-cleaning treatment is not carried out, the sprayed grinding preparation is easy to wrap or dilute by surface pollutants, so that the real contact between the grinding material and a matrix is blocked, slipping friction is generated instead of stable cutting, the fluctuation of material removal rate and the uneven surface roughness are caused, and the risk of random scratch is increased. Secondly, direct spraying or punctiform feeding often causes local accumulation or uneven distribution of abrasive materials on the surface of a workpiece, excessive cutting is easily caused by over-concentration of the abrasive materials in partial areas, dry grinding is caused by insufficient abrasive materials in other areas, and as a result, the surface consistency is poor, the local reworking rate is high and the consumption of grinding preparations is increased. Therefore, there is a need to provide a new solution to overcome the above-mentioned drawbacks. Disclosure of Invention The invention aims to provide a spherical grinding machine tool for an aluminum alloy flange, which can effectively solve the technical problems. In order to achieve the purpose of the invention, the following technical scheme is adopted: The spherical grinding machine tool for the aluminum alloy flange comprises a machine table, a frame assembly, a composite grinding unit, a spherical grinding unit and a grinding unit, wherein the frame assembly is arranged on the outer periphery side of the top of the machine table, the composite grinding unit is used for grinding the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, and the spherical grinding unit is used for grinding the spherical surface of the aluminum alloy flange; the compound grinding unit comprises a pre-cleaning component, a spreading component, a compound grinding component, a liquid spraying component and a driving component, wherein the pre-cleaning component is used for cleaning the inner peripheral surface and the outer peripheral surface of an aluminum alloy flange, the spreading component is used for spreading a grinding agent on the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, the compound grinding component is used for grinding the inner peripheral surface and the outer peripheral surface of the aluminum alloy flange, the liquid spraying component is used for spraying the grinding agent on the inner peripheral surface of the aluminum alloy flange, and the driving component is used for driving the pre-cleaning component, the spreading component, the compound grinding component and the gear component to operate; The gear assembly comprises a sun gear, a first planet gear, a second planet gear, a third planet gear and a planet carrier, wherein the sun gear is configured to rotate around a preset axis, the planet carrier is coaxially arranged with the sun gear and configured to revolve around the preset axis, the first planet gear, the second planet gear and the third planet gear are distributed in a circumferential array along the circumferential direction of the sun gear and are meshed with the sun gear, and the first planet gear, the second planet gear and the third planet gear are respectively and rotatably connected with the planet carrier through respective axles, so that when the planet carrier revolves around the preset axis, the first planet gear, the second planet gear and the third planet gear synchronously revolve around the sun gear, and rotate around the respective axles under the meshing effect with the sun gear; The driving assembly comprises a motor mounting plate fixedly mounted in the machine table, the motor mounting plate is positioned below the machining table, a second grinding motor is fixedly mounted on the motor mounting plate, a driving wheel is coaxially connected with the output end of the second grinding motor in a transmission manner