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CN-122007888-A - Quick assembly equipment of electricity main shaft bearing

CN122007888ACN 122007888 ACN122007888 ACN 122007888ACN-122007888-A

Abstract

The invention relates to the technical field of electric spindle production equipment, in particular to quick assembly equipment of an electric spindle bearing, which comprises a conveying device and two groups of bearing automatic feeding components, wherein the top of the conveying device is provided with a mounting bracket, the bearing automatic feeding components are used for conveying the bearing, each bearing automatic feeding component comprises a bearing feeding cylinder, a pushing seat, a push rod and a pushing structure, two material taking grooves are formed in the outer surface of one end of each bearing feeding cylinder, and the pushing seats are slidably arranged in the bearing feeding cylinders.

Inventors

  • ZHU WEIWEI
  • HUANG JIANFENG
  • CHENG RUI

Assignees

  • 宁波科威联创数控技术有限公司

Dates

Publication Date
20260512
Application Date
20260415

Claims (9)

  1. 1. A quick assembly device for an electric spindle bearing, comprising: a conveying device (10) with a mounting bracket (11) at the top position; The automatic bearing feeding device comprises two groups of automatic bearing feeding assemblies (20), wherein the automatic bearing feeding assemblies (20) are used for conveying bearings, each automatic bearing feeding assembly (20) comprises a bearing feeding cylinder (21), a pushing seat (22), a push rod (25) and a pushing structure, two material taking grooves (212) are formed in the outer surface of one end of each bearing feeding cylinder (21), the pushing seats (22) are slidably arranged in the bearing feeding cylinders (21), the push rods (25) are coaxially arranged in the bearing feeding cylinders (21), the pushing structure is connected with the push rods (25), and the pushing structure is used for driving the push rods (25) and the pushing seats (22) to move; The two groups of bearing assembly assemblies (30), the two groups of bearing automatic feeding assemblies (20) and the two groups of bearing assembly assemblies (30) are respectively arranged on two sides of the mounting bracket (11) in a symmetrical layout mode, the bearing assembly assemblies (30) are used for assembling bearings on the electric spindle, each group of bearing assembly assemblies (30) is connected with an electric spindle positioning assembly, and the electric spindle positioning assemblies are used for positioning the electric spindle; And the two groups of lubrication assemblies (50) are connected with the bearing assembly assemblies (30), the lubrication assemblies (50) are in one-to-one correspondence with the bearing assembly assemblies (30), and the lubrication assemblies (50) are used for performing lubrication operation on the electric main shaft.
  2. 2. The quick assembly device for an electric spindle bearing according to claim 1, wherein the pushing structure comprises a first telescopic part (23), a push plate (24), a push block (26), a reset block (27) and a heating element (28), the first telescopic part (23) is arranged on one side of the mounting bracket (11), the output end of the first telescopic part (23) is connected with the push plate (24), the push block (26) and the reset block (27) are both arranged on the outer surface of the push rod (25), the reset block (27) is positioned in the bearing feeding barrel (21), the heating element (28) is connected with the reset block (27), a storage groove (221) is formed in one side of the push seat (22), the maximum distance between the heating element (28) and the central line of the push rod (25) is smaller than the radius of the storage groove (221), the diameter of the reset block (27) is smaller than the diameter of the storage groove (221), the diameter of the storage groove (221) is smaller than the inner diameter of the bearing, and the sum of the thickness of the reset block (27) and the length of the heating element (28) is smaller than the depth of the storage groove (221).
  3. 3. The quick assembly device for an electric spindle bearing according to claim 2, wherein a first through hole (222) is formed on one side, far away from the accommodating groove (221), of the pushing base (22), the first through hole (222) is communicated with the accommodating groove (221), the first through hole (222) is concentrically arranged with the accommodating groove (221), the push rod (25) penetrates through the first through hole (222), the diameter of the push rod (25) is smaller than that of the first through hole (222), so that the push rod (25) cannot interfere with the pushing base (22) in the moving process, a second through hole (211) is formed on one end, far away from the material taking groove (212), of the bearing feeding barrel (21), the second through hole (211) is communicated with the inner part of the bearing feeding barrel (21), and the diameter of the second through hole (211) is larger than that of the push block (26), so that the push block (26) smoothly penetrates through the second through hole (211) and contacts with the pushing base (22).
  4. 4. The quick assembly device for an electric spindle bearing according to claim 1, wherein the bearing assembly comprises a second telescopic member (31), a first sliding seat (32) and a first clamping member (33), the second telescopic member (31) is installed on one side of the mounting bracket (11), the output end of the second telescopic member (31) is connected with the first sliding seat (32), the first clamping member (33) is installed on one side of the first sliding seat (32), two clamping jaw parts of the first clamping member (33) correspond to positions of the material taking groove (212), and the first clamping member (33) is used for clamping the bearing.
  5. 5. The quick assembly device for an electric spindle bearing according to claim 4, wherein the electric spindle positioning assembly comprises a first bracket (34), an adjusting threaded rod (35) and a positioning block (36), the first bracket (34) is connected with the first slide (32), the adjusting threaded rod (35) is in threaded connection with the first bracket (34), one end of the adjusting threaded rod (35) is connected with the positioning block (36), and the adjusting threaded rod (35) is used for adjusting the position of the positioning block (36).
  6. 6. The quick assembly device for an electric spindle bearing according to claim 4, wherein the lubrication assembly comprises a connecting seat (51), a second bracket (52), an anti-splash barrel (53), an annular shunt tube (54), an oil feeding structure and a recovery assembly, the connecting seat (51) is connected with the first sliding seat (32), one end of the second bracket (52) is connected with the connecting seat (51), the other end of the second bracket (52) is connected with the anti-splash barrel (53), the annular shunt tube (54) is arranged in one end of the anti-splash barrel (53), a plurality of atomizing spray heads (55) are arranged on the annular shunt tube (54) in a circumferential array, the oil feeding structure is arranged on the connecting seat (51) and used for conveying lubricating oil into the annular shunt tube (54), the recovery assembly is connected with the anti-splash barrel (53), and the recovery assembly is used for recycling lubricating oil in the anti-splash barrel (53).
  7. 7. The quick assembly device for an electric spindle bearing according to claim 6, wherein the oil feeding structure comprises a mounting seat (56), an oil storage tank (57), a conveying pump (58) and an oil conveying pipe (59), the mounting seat (56) is connected with the connecting seat (51), the oil storage tank (57) and the conveying pump (58) are both connected with the mounting seat (56), the conveying pump (58) is communicated with the oil storage tank (57) through a pipeline, one end of the oil conveying pipe (59) is connected with the conveying pump (58), and the other end of the oil conveying pipe (59) is connected with the annular shunt pipe (54).
  8. 8. The quick assembly device for an electric spindle bearing according to claim 6, wherein the recovery assembly comprises an oil collecting cover (510), an oil return hose (511) and an oil collecting tank (512), the oil collecting cover (510) is mounted on the outer surface of the splash guard (53), the outer surface of the splash guard (53) is provided with a recovery groove, the oil collecting cover (510) corresponds to the position of the recovery groove, the size of the oil collecting cover (510) is larger than that of the recovery groove so as to collect lubricating oil collected by the recovery groove, one end of the oil return hose (511) is connected with the end of the oil collecting cover (510), and the other end of the oil return hose (511) is connected with the oil collecting tank (512).
  9. 9. The quick assembly device for the electric spindle bearing according to claim 1, wherein a supporting seat (41) is installed at the top of the installation support (11), a third telescopic member (42) is installed on one side of the supporting seat (41), an output end of the third telescopic member (42) is connected with a lifting seat (43), and two second clamping members (44) are connected on one side of the lifting seat (43).

Description

Quick assembly equipment of electricity main shaft bearing Technical Field The invention relates to the technical field of electric spindle production equipment, in particular to quick assembly equipment for an electric spindle bearing. Background The electric spindle is used as a core component for realizing zero transmission of a numerical control machine tool, and the machine tool spindle and an internal motor are integrated, so that the electric spindle plays an important role in the high-end manufacturing fields of aerospace, semiconductors, precision molds and the like by virtue of the advantages of compact structure, small inertia and quick dynamic response. The running precision and the service life of the device directly depend on the assembly quality of the bearing, and if the bearing is in a mounting position deviation, uneven pretightening force or out-of-coaxiality, the device can cause the vibration aggravation and the thermal deformation increase during high-speed rotation, and finally the processing precision is reduced and even the device fault is caused. The patent with the publication number of CN118123459B discloses a quick assembly device for the electric spindle bearing, through the cooperation of a positioning unit and a rotating unit, the electric spindle in an assembly hole can be automatically fixed, the stability of the electric spindle when the electric spindle is assembled with the bearing is improved, and the bearing can be assembled in the process of replacing the bearing through a double-station clamping unit, so that the assembly quality and the assembly efficiency of the electric spindle and the bearing are ensured. However, the above-mentioned patent only can realize the bearing installation of electric main shaft single end in the in-process of assembling, and all need the bearing to support around the main shaft part of electric main shaft in actual process, consequently, the actual assembly demand that the double-end bearing supported in the above-mentioned patent unable adaptation actual production, and the mode that adopts single end installation bearing needs the manual work to shift out electric main shaft from the inside of pilot hole, and reposition clamping after the upset, can develop the bearing assembly of the other end, and the manual work is transported and the risk that electric main shaft knocks with the fish tail can increase with the upset process, influence main shaft surface accuracy and follow-up assembly quality, and the manual intervention link has prolonged the assembly man-hour of single electric main shaft, make whole assembly time longer under large-scale batch assembly scene, reduce the efficiency of assembly. Disclosure of Invention The invention provides quick assembly equipment for an electric spindle bearing, and aims to solve the technical problems of increased risk of collision and scratch of the electric spindle and reduced assembly efficiency caused by manual transfer and overturning of the electric spindle in the related technology. The invention relates to a quick assembly device for an electric spindle bearing, which comprises the following components: the top of the conveying device is provided with a mounting bracket; the automatic bearing feeding assembly is used for conveying bearings and comprises a bearing feeding cylinder, a pushing seat, a push rod and a pushing structure, two material taking grooves are formed in the outer surface of one end of the bearing feeding cylinder, the pushing seat is arranged in the bearing feeding cylinder in a sliding mode, the push rod is coaxially arranged in the bearing feeding cylinder, the pushing structure is connected with the push rod, and the pushing structure is used for driving the push rod and the pushing seat to move; The two groups of bearing assembly assemblies are respectively arranged at two sides of the mounting bracket in a symmetrical layout mode, the bearing assembly assemblies are used for assembling bearings on the electric spindle, each group of bearing assembly assemblies is connected with an electric spindle positioning assembly, and the electric spindle positioning assemblies are used for positioning the electric spindle; the two groups of lubricating assemblies are connected with the bearing assembly assemblies, the lubricating assemblies correspond to the bearing assembly assemblies one by one, and the lubricating assemblies are used for lubricating the electric spindle. Preferably, the pushing structure comprises a first telescopic part, a push plate, a push block, a reset block and a heating element, the first telescopic part is arranged on one side of the mounting bracket, the output end of the first telescopic part is connected with the push plate, the push block and the reset block are arranged on the outer surface of the push rod, the reset block is positioned in the bearing feeding barrel, the heating element is connected with the reset block, a storage groove