CN110340468B - Bearing deburring process - Google Patents
Bearing deburring process Download PDFInfo
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- CN110340468B CN110340468B CN201910742500.5A CN201910742500A CN110340468B CN 110340468 B CN110340468 B CN 110340468B CN 201910742500 A CN201910742500 A CN 201910742500A CN 110340468 B CN110340468 B CN 110340468B
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- electrolyte
- bearing
- discharging
- enabling
- deburring
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003792 electrolyte Substances 0.000 claims abstract description 139
- 238000005507 spraying Methods 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims description 7
- 239000004317 sodium nitrate Substances 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 239000003350 kerosene Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/02—Trimming or deburring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to a bearing deburring process, which comprises the following specific steps: A. preparing electrolyte; B. positioning a deburring tool; C. placing a bearing; D. starting discharge and spraying electrolyte; E. cleaning and derusting; F. standing and airing. The invention has the following advantages: the bearing housing is established on the blowing unit and rotatable setting, when the electrolyte in the electrolyte box is by down to the injection bearing, the bearing is at the effect of centrifugal force and the injection force of electrolyte in the rotation in-process, the bearing receives upward removal takes place on the blowing unit with the effect of upwards force, the electrolyte is the outside surface of bearing and in the bearing hole of flowing through fast, it is the outside surface of bearing and bearing hole internal surface quality unanimity, improve traditional bearing surface quality's defect, guarantee the burring effect, because the bearing is rotatable under the effect of boosting piece, surface burr can drop fast under the effect of centrifugal force, the concentration requirement to the electrolyte is low, improve bearing surface quality.
Description
Technical field:
the invention relates to the field of bearings, in particular to a bearing deburring process.
The background technology is as follows:
The bearing is an important part in modern mechanical equipment, and the main function is to support the mechanical rotator, reduce the friction coefficient in the motion process of the mechanical rotator and ensure the rotation precision of the mechanical rotator, so that the surface quality precision of the bearing is particularly important, the surface of the bearing is provided with more burrs after the bearing is processed, at present, the bearing deburring usually adopts a physical deburring method and a chemical deburring method, the physical deburring method comprises vibration grinding deburring, rolling deburring, magnetic deburring and powerful ultrasonic deburring, and the chemical deburring method comprises pure chemical corrosion deburring and electrolytic deburring.
The gear deburring process disclosed by patent No. 201810674987.3 sprays the bearing surface through the electrolyte, the workpiece anode is connected with the direct current power supply cathode during processing, the workpiece is connected with the direct current power supply anode, the low-voltage electrolyte flows between the workpiece and the cathode, after the direct current power supply is connected, the burrs are dissolved and removed, the electrolyte formed by mixing 5% -8% sodium nitrate with 92% -95% water is taken away by the electrolyte, the electrolyte in the patent can flow through the upper surface of the bearing, but the lower surface of the bearing is less in contact with the electrolyte, so that the deburring effect of the inner side of the bearing and the lower surface of the bearing is not obvious, the surface quality of the whole bearing is not uniform, the workpiece needs to be deburred again, the deburring efficiency is low, the concentration of the traditional electrolyte is reduced, and the surface of the workpiece is still influenced by the combination of the electrolyte, and the electrochemical deburring effect is still realized.
The invention comprises the following steps:
The invention aims to overcome the defects, and provides a bearing deburring process, which has good deburring effect on each surface of a bearing under the condition of low electrolyte concentration, does not need to overturn the bearing for deburring for multiple times, and has good surface quality and high smoothness due to the low electrolyte concentration.
The aim of the invention is achieved by the following technical scheme: a bearing deburring process comprises the following specific steps:
A. preparing electrolyte: mixing 2% -4% of sodium nitrate, 1% -2% of sodium chloride and 94% -97% of water to form electrolyte;
B. Positioning deburring tool: adopting a special deburring tool and placing the electrolyte prepared in the step A into the deburring tool, wherein the special deburring tool comprises a shell component, the shell component comprises a rack and a working platform arranged on the rack, a boss is arranged above the working platform, a plurality of discharging units are arranged on the boss, and a bearing sleeve is arranged on the discharging units in a rotatable manner;
The electrolyte assembly comprises a closed electrolyte box body arranged below the working platform and a jet pump arranged in the electrolyte box body, the jet pump is connected with a liquid spraying pipe, a plurality of branch pipes are respectively arranged on the liquid spraying pipe and respectively penetrate through the boss to be sequentially connected with a plurality of discharging units, electrolyte is arranged in the electrolyte box body, a gap for containing the electrolyte to flow in is formed above the electrolyte box body, and the electrolyte in the electrolyte box body flows into the electrolyte box body along with the jet pump passing through the liquid spraying pipe and the branch pipes to the discharging units and then flows into the gap above the electrolyte box body;
The driving assembly comprises a plurality of operation panels and a plurality of driving cylinders which are arranged on the frame, the driving cylinders and the discharging units are sequentially and correspondingly arranged up and down, the lower end face of each driving cylinder is provided with a groove, copper columns are arranged in the grooves, the lower end faces of the copper columns protrude out of the lower end faces of the driving cylinders, and the copper columns are fixedly connected with the driving cylinders through a plurality of tightening screws distributed on the outer circumference of the lower side of the driving cylinders;
The electrode assembly comprises an electrolytic power supply, an insulating layer arranged on the upper end face of the discharging unit and a negative electrode wire arranged on the insulating layer, wherein the negative electrode of the electrolytic power supply is electrically connected with the negative electrode wires on the discharging units, and the positive electrode of the electrolytic power supply is electrically connected with copper columns below the driving cylinders;
The discharging unit comprises a discharging body arranged on the boss, a cavity is formed in the discharging body, the lower end of the discharging body is connected with a corresponding branched pipe, an inwards sunken cavity is formed in the upper end of the discharging body, a supporting ring and a vertically arranged fixing shaft are arranged in the cavity, the fixing shaft and the driving cylinder are sequentially arranged up and down in a corresponding mode, a turntable is sleeved on the fixing shaft, the inner side of the supporting ring is provided with a circular ring bulge, the turntable is horizontally arranged on the circular ring bulge, an insulating layer is arranged on the upper end face of the turntable, the lower end face of the turntable is provided with a plurality of boosting blocks which are arranged in an equal circumference mode, the boosting blocks are of circular arc-shaped convex structures and are consistent in extending direction, a bearing is arranged on the upper end face of the insulating layer, a plurality of water outlets are formed in positions, close to the supporting ring, a first runner and a plurality of second runners are formed in the fixing shaft, one ends of the first runners are communicated with the water outlets, and the other ends of the second runners are contacted with the inner sides of the bearings;
C. placing a bearing: sequentially placing a plurality of bearings on the corresponding discharging units;
D. Initiating discharge and spraying electrolyte: starting a corresponding operation panel, enabling a driving cylinder to move downwards, enabling a copper column at the lower end of the driving cylinder to be in contact with and be communicated with a discharging unit, enabling electrolyte to be upwards sprayed to a bearing by an electrolyte box body, enabling the bearing to rotate along with the discharging unit in the spraying process, enabling the electrolyte sprayed by a branch pipe to flow through a water outlet hole, enabling a part of the electrolyte to be sprayed into a supporting ring to push a rotary table to rotate, enabling a part of the electrolyte to be sprayed into a cavity of the discharging body to flow to the outer side of the rotary table, enabling a part of the electrolyte to be sprayed into a hole of a fixed shaft, enabling the spraying time from a part of the electrolyte to be 5s-6s, and enabling a spraying gap to be 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
The invention further improves that: the lower extreme both sides of frame are equipped with walking roller train respectively, and walking roller train includes two gyro wheels that set up in tandem, has the through-hole in the gyro wheel, and two gyro wheels that correspond the setting are connected through the dead lever of U type form, and the both ends of dead lever imbeds the through-hole setting that corresponds respectively.
The invention further improves that: the number of the tightening screws is 3-5.
The invention further improves that: the driving cylinder is an electric cylinder.
Compared with the prior art, the invention has the following advantages:
the bearing is sleeved on the discharging unit and can be rotatably arranged, when the electrolyte in the electrolyte box body sprays the bearing from bottom to top, the bearing moves upwards on the discharging unit under the action of centrifugal force and the spraying force of the electrolyte in the rotating process, and under the action of upward force, the electrolyte rapidly flows through the outer side surface of the bearing and the bearing hole due to the action of the water outlet hole, the first flow channel and the second flow channel, so that the quality of the outer side surface of the bearing and the quality of the inner surface of the bearing hole are consistent, the defect of different quality of the surface of the traditional bearing is overcome, the deburring effect is ensured, and the surface burrs can rapidly fall off under the action of the centrifugal force due to the fact that the bearing can rotate under the action of the boosting block, the concentration requirement on the electrolyte is low, and the surface quality of the bearing is improved.
Description of the drawings:
Fig. 1 is a schematic structural diagram of a bearing deburring tool according to the present invention.
Fig. 2 is a schematic structural diagram of a discharging unit of the bearing deburring tool.
Fig. 3 is a schematic connection diagram of a copper column and a driving cylinder of the bearing deburring tool.
Fig. 4 is a schematic structural diagram of a walking roller set of a bearing deburring tool.
Fig. 5 is a schematic structural diagram of a boosting block of a bearing deburring tool.
Reference numerals in the drawings: the device comprises a 1-frame, a 2-working platform, a 3-boss, a 4-discharging unit, a 5-electrolyte box body, a 6-jet pump, a 7-jet pipe, an 8-branch pipe, a 9-operation panel, a 10-driving cylinder, an 11-groove, a 12-copper column, a 13-screwing screw, a 14-insulating layer, a 15-electrolysis power supply, a 16-bearing, a 17-roller, an 18-through hole, a 19-fixed rod, a 41-discharging body, a 42-cavity, a 43-cavity, a 44-supporting ring, a 45-fixed shaft, a 46-rotary disc, a 47-annular boss, a 48-boosting block, a 49-water outlet hole, a 410-first flow passage and a 411-second flow passage.
The specific embodiment is as follows:
the present invention will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present invention, which examples are provided for the purpose of illustrating the present invention only and are not to be construed as limiting the scope of the present invention.
The bearing deburring process comprises the following specific steps:
A. preparing electrolyte: mixing 2% -4% of sodium nitrate, 1% -2% of sodium chloride and 94% -97% of water to form electrolyte;
B. Positioning deburring tool: adopting a special deburring tool and placing the electrolyte prepared in the step A into the deburring tool, wherein the special deburring tool comprises a shell component, the shell component comprises a frame 1 and a working platform 2 arranged on the frame 1, a boss 3 is arranged above the working platform 2, a plurality of discharging units 4 are arranged on the boss 3, and a bearing 16 is sleeved on the discharging units 4 and can be rotatably arranged;
The electrolyte assembly comprises a closed electrolyte box body 5 arranged below the working platform and a jet pump 6 arranged in the electrolyte box body 5, wherein the jet pump 6 is connected with a jet pipe 7, a plurality of branch pipes 8 are respectively arranged on the jet pipe 7, the branch pipes 8 respectively penetrate through the boss 3 and are sequentially connected with the discharging units 4, electrolyte is arranged in the electrolyte box body 5, a gap for containing the electrolyte to flow in is formed above the electrolyte box body 5, and the electrolyte in the electrolyte box body 5 flows into the electrolyte box body 5 along with the jet pump 6 through the jet pipe 7 and the branch pipes 8 to the discharging units and then flows into the gap above the electrolyte box body 5;
the driving assembly comprises a plurality of operation panels 9 and a plurality of driving cylinders 10 which are arranged on the frame, the driving cylinders 10 and the discharging units 4 are sequentially and correspondingly arranged up and down, the lower end surface of each driving cylinder 10 is provided with a groove 11, copper columns 12 are arranged in the grooves 11, the lower end surfaces of the copper columns 12 protrude out of the lower end surfaces of the driving cylinders 10, and the copper columns 12 are fixedly connected with the driving cylinders 10 through a plurality of tightening screws 13 distributed on the outer circumference of the lower side of each driving cylinder;
the electrode assembly comprises an electrolytic power supply 15, an insulating layer 14 arranged on the upper end face of the discharging units 4 and a negative electrode wire arranged on the insulating layer 14, wherein the negative electrode of the electrolytic power supply 15 is electrically connected with the negative electrode wires on the discharging units 4, and the positive electrode of the electrolytic power supply 15 is electrically connected with the copper columns 12 below the driving cylinders;
The discharging unit 4 comprises a discharging body 41 arranged on the boss 3, a cavity 42 is formed in the discharging body 41, the lower end of the discharging body 41 is connected with a corresponding branch pipe 8, an inwards concave cavity 43 is formed in the upper end of the discharging body 41, a supporting ring 44 and a vertically arranged fixed shaft 45 are arranged in the cavity 43, the fixed shaft 45 and the driving cylinder 10 are sequentially and correspondingly arranged up and down, a turntable 46 is sleeved on the fixed shaft 45, an annular bulge 47 is formed in the inner side of the supporting ring 44, the turntable 46 is horizontally arranged on the annular bulge 47, an insulating layer 14 is arranged on the upper end face of the turntable 46, a plurality of boosting blocks 48 which are arranged in an equal circumference manner are of an arc-shaped bump structure and have the same extending direction, a bearing 16 is arranged on the upper end face of the insulating layer 14, a plurality of water outlet holes 49 are formed in positions, close to the supporting ring 44, a first runner 410 and a plurality of second runners 411 are formed in the fixed shaft 45, the first runner 410 is communicated with the water outlet holes 49, one end of the second runner 411 is communicated with the first runner 410, and the other end of the second runner 411 is contacted with the inner side of the bearing 16;
C. placing a bearing: sequentially placing a plurality of bearings 16 on the corresponding discharging units 4;
D. Initiating discharge and spraying electrolyte: starting a corresponding operation panel 9, driving a cylinder 10 to move downwards, enabling a copper column 12 at the lower end of the cylinder 10 to contact and conduct with a discharging unit 4, spraying electrolyte from an electrolyte box 5 to a bearing 16, enabling the bearing 16 to rotate along with the discharging unit 4 in the spraying process, enabling the electrolyte sprayed by a branch pipe 8 to flow through a water outlet 49, spraying part of the electrolyte into a supporting ring 44 to push a turntable 46 to rotate, spraying part of the electrolyte into a cavity 43 of a discharging body 41 to flow to the outer side of the turntable 46, spraying part of the electrolyte into a hole of a first flow channel 410 and a second flow channel 411 of a fixed shaft 45 to the bearing 16, wherein the spraying time is 5s-6s, and the spraying gap is 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
Further, the lower extreme both sides of frame 1 are equipped with walking roller train respectively, and walking roller train includes two gyro wheels 17 that set up in tandem, has through-hole 18 in the gyro wheel 17, and two gyro wheels 17 that correspond the setting are connected through the dead lever 19 of U type form, and the through-hole 18 that corresponds sets up is embedded respectively at the both ends of dead lever 19, and the setting of walking roller train plays the effect of removing burring frock, uses the flexibility degree high, fixes two gyro wheels 17 through dead lever 19, keeps fixedly under burring frock operating condition.
Further, the number of the tightening screws 13 is 3-5, so that the connection stability of the copper column 12 and the driving cylinder 10 is realized.
Further, the driving cylinder 10 is an electric cylinder, and the electric cylinder has the control of accurate speed, torque and thrust, so that the performance is more stable.
Working principle of deburring: the bearing 16 is sequentially placed on the discharging unit 4, the operation panel 9 is started, the driving cylinder 10 descends to press the discharging unit 4, the jet pump 6 works at the moment, electrolyte in the electrolyte box 5 is sequentially jetted to the branch pipe 8, the electrolyte in the branch pipe 8 is jetted to the bearing 16 on the discharging unit 4, meanwhile, when the driving cylinder 10 descends to the discharging unit 4, the copper column 12 at the lower end of the driving cylinder 10 is communicated with a cathode lead on the discharging unit 4, the copper column 12 is an anode, burrs are dissolved and removed by the anode, the burrs are taken away by the electrolyte and then returned to the electrolyte box 5, the jet time is 5-8s, the driving cylinder 10 ascends after the end, the operator takes away the bearing 16, when the branch pipe 8 jets the discharging unit 4, the bearing 16 is sleeved on the discharging unit 4 and can be rotatably arranged, when the electrolyte in the electrolyte box 5 is jetted from bottom to the upper part, the bearing 16 is under the action of the rotating process, the bearing 16 along with the action of the centrifugal force and the jet force of the electrolyte, the bearing 16 moves upwards on the discharging unit 4, the situation is improved, and the defect that the quality of the burrs flow through the surface of the bearing 16 is overcome, and the surface of the bearing 16 is overcome.
Bearing rotation theory of operation: the rotary table 46 of the discharging unit 4 is flushed to the boosting block 48 along with the electrolyte sprayed from the water outlet hole 49 in the branch pipe 8, and the boosting block 48 generates thrust to the boosting block 48 due to the circular arc structure of the boosting block 48, and the boosting block 48 rotates the rotary table 46 around the fixed shaft 45 under the action of water flow, so that the rotation of the bearing 16 above the rotary table 46 is realized; the electrolyte sprayed by the branch pipe 8 flows through the water outlet 49, part of the electrolyte is sprayed into the supporting ring 44 to push the turntable 46 to rotate, part of the electrolyte is sprayed into the cavity 43 of the discharging body 41 to flow to the outer side of the turntable 46, and part of the electrolyte is sprayed into the first flow passage 410 and the second flow passage 411 of the fixed shaft 45 to the holes of the bearing 16, and the effect of the electrode assembly is added, so that the surface quality of the bearing is greatly improved.
The bearing 16 is sleeved on the discharging unit 4 and can be rotatably arranged, when the electrolyte in the electrolyte box 5 sprays the bearing 16 from bottom to top, the bearing 16 moves upwards on the discharging unit 4 under the action of centrifugal force and the spraying force of the electrolyte in the rotating process, the bearing 16 is subjected to the upward force, the electrolyte rapidly flows through the outer side surface of the bearing 16 and the bearing hole under the action of the water outlet hole 49, the first flow channel 410 and the second flow channel 411, the defect of different surface quality of the traditional bearing 16 is overcome, the deburring effect is ensured, and the surface burrs can rapidly fall off under the action of the centrifugal force due to the fact that the bearing 16 can rotate under the action of the boosting block 48, the concentration requirement on the electrolyte is low, and the surface quality of the bearing is improved.
Example 1
The embodiment is a bearing deburring process, which comprises the following specific steps:
A. Preparing electrolyte: mixing 2% sodium nitrate, 1% sodium chloride and 97% water to form an electrolyte;
B. Positioning deburring tool: c, adopting a special deburring tool, and placing the electrolyte prepared in the step A into the deburring tool;
C. placing a bearing: sequentially placing a plurality of bearings 16 on the corresponding discharging units 4;
D. Initiating discharge and spraying electrolyte: starting a corresponding operation panel 9, driving a cylinder 10 to move downwards, enabling a copper column 12 at the lower end of the cylinder 10 to contact and conduct with a discharging unit 4, spraying electrolyte from an electrolyte box 5 to a bearing 16, enabling the bearing 16 to rotate along with the discharging unit 4 in the spraying process, enabling the electrolyte sprayed by a branch pipe 8 to flow through a water outlet 49, spraying part of the electrolyte into a supporting ring 44 to push a turntable 46 to rotate, spraying part of the electrolyte into a cavity 43 of a discharging body 41 to flow to the outer side of the turntable 46, spraying part of the electrolyte into a hole of a first flow channel 410 and a second flow channel 411 of a fixed shaft 45 to the bearing 16, wherein the spraying time is 5s, and the spraying gap is 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
Example 2
The embodiment is a bearing deburring process, which comprises the following specific steps:
A. Preparing electrolyte: mixing 4% sodium nitrate, 2% sodium chloride and 94% water to form an electrolyte;
B. Positioning deburring tool: c, adopting a special deburring tool, and placing the electrolyte prepared in the step A into the deburring tool;
C. placing a bearing: sequentially placing a plurality of bearings 16 on the corresponding discharging units 4;
D. Initiating discharge and spraying electrolyte: starting a corresponding operation panel 9, driving a cylinder 10 to move downwards, enabling a copper column 12 at the lower end of the cylinder 10 to contact and conduct with a discharging unit 4, spraying electrolyte from an electrolyte box 5 to a bearing 16, enabling the bearing 16 to rotate along with the discharging unit 4 in the spraying process, enabling the electrolyte sprayed by a branch pipe 8 to flow through a water outlet 49, spraying part of the electrolyte into a supporting ring 44 to push a turntable 46 to rotate, spraying part of the electrolyte into a cavity 43 of a discharging body 41 to flow to the outer side of the turntable 46, spraying part of the electrolyte into a hole of a first flow channel 410 and a second flow channel 411 of a fixed shaft 45 to the bearing 16, wherein the spraying time is 6s, and the spraying gap is 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
Example 3
The embodiment is a bearing deburring process, which comprises the following specific steps:
A. preparing electrolyte: mixing 3% sodium nitrate, 1% sodium chloride and 96% water to form an electrolyte;
B. Positioning deburring tool: c, adopting a special deburring tool, and placing the electrolyte prepared in the step A into the deburring tool;
C. placing a bearing: sequentially placing a plurality of bearings 16 on the corresponding discharging units 4;
D. Initiating discharge and spraying electrolyte: starting a corresponding operation panel 9, driving a cylinder 10 to move downwards, enabling a copper column 12 at the lower end of the cylinder 10 to contact and conduct with a discharging unit 4, spraying electrolyte from an electrolyte box 5 to a bearing 16, enabling the bearing 16 to rotate along with the discharging unit 4 in the spraying process, enabling the electrolyte sprayed by a branch pipe 8 to flow through a water outlet 49, spraying part of the electrolyte into a supporting ring 44 to push a turntable 46 to rotate, spraying part of the electrolyte into a cavity 43 of a discharging body 41 to flow to the outer side of the turntable 46, spraying part of the electrolyte into a hole of a first flow channel 410 and a second flow channel 411 of a fixed shaft 45 to the bearing 16, wherein the spraying time is 5s-6s, and the spraying gap is 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
The production processes of example 1, example 2 and example 3 are compared with the production process of patent number 201810674987.3 as follows:
as can be seen from the above table, in the case where the electrolyte concentration is low, example 3 is an optimum effect for achieving the deburring effect; the advantages of example 1, example 2, example 3 and patent number 201810674987.3 are: under the condition of low electrolyte concentration, the deburring effect of each surface of the bearing is good, the bearing does not need to be turned over for multiple deburring, and the surface quality is good and the smoothness is high due to the low electrolyte concentration.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A bearing deburring process is characterized in that: the method comprises the following specific steps:
A. preparing electrolyte: mixing 2% -4% of sodium nitrate, 1% -2% of sodium chloride and 94% -97% of water to form electrolyte;
B. Positioning deburring tool: the method comprises the steps that a special deburring tool is adopted, electrolyte after the preparation in the step A is placed in the deburring tool, the special deburring tool comprises a shell component, the shell component comprises a frame (1) and a working platform (2) arranged on the frame (1), a boss (3) is arranged above the working platform (2), a plurality of discharging units (4) are arranged on the boss (3), and a bearing (16) is sleeved on the discharging units (4) and can be rotatably arranged;
The electrolyte assembly comprises a closed electrolyte box body (5) arranged below a working platform and a jet pump (6) arranged in the electrolyte box body (5), wherein the jet pump (6) is connected with a liquid spraying pipe (7), a plurality of branch pipes (8) are respectively arranged on the liquid spraying pipe (7), the branch pipes (8) respectively penetrate through the boss (3) and are sequentially connected with the discharging units (4), electrolyte is arranged in the electrolyte box body (5), a gap for containing the electrolyte to flow in is formed above the electrolyte box body (5), and the electrolyte in the electrolyte box body (5) flows into the electrolyte box body (5) along with the jet pump (6) through the liquid spraying pipe (7) and the branch pipes (8) to the discharging units and then flows into the gap above the electrolyte box body (5);
The driving assembly comprises a plurality of operation panels (9) and a plurality of driving cylinders (10) which are arranged on the frame, the driving cylinders (10) and the discharging units (4) are sequentially arranged in a vertically corresponding mode, grooves (11) are formed in the lower end faces of the driving cylinders (10), copper columns (12) are arranged in the grooves (11), the lower end faces of the copper columns (12) protrude out of the lower end faces of the driving cylinders (10), and the copper columns (12) are fixedly connected with the driving cylinders (10) through a plurality of tightening screws (13) distributed on the outer circumference of the lower sides of the driving cylinders;
The electrode assembly comprises an electrolytic power supply (15), an insulating layer (14) arranged on the upper end face of the discharging unit (4) and a negative electrode lead arranged on the insulating layer (14), wherein the negative electrode of the electrolytic power supply (15) is electrically connected with the negative electrode leads on the discharging units (4), and the positive electrode of the electrolytic power supply (15) is electrically connected with the copper columns (12) below the driving cylinders;
The discharging unit (4) comprises a discharging body (41) arranged on the boss (3), a cavity (42) is arranged in the discharging body (41), the lower end of the discharging body (41) is connected with a corresponding branched pipe (8), an inwards concave cavity (43) is arranged at the upper end of the discharging body (41), a supporting ring (44) and a vertically arranged fixed shaft (45) are arranged in the cavity (43), the fixed shaft (45) and the driving cylinder (10) are sequentially and correspondingly arranged up and down, a rotary table (46) is sleeved on the fixed shaft (45), a circular ring bulge (47) is arranged on the inner side of the supporting ring (44) and horizontally arranged on the circular ring bulge (47), the insulating layer (14) is arranged on the upper end face of the rotary table (46), a plurality of pushing blocks (48) which are arranged in an equal circumference are arranged on the lower end face of the rotary table (46), the plurality of pushing blocks (48) are of circular arc-shaped convex structures and have the same extension direction, the bearing (16) is arranged on the end face (14) and is arranged on the insulating layer (14) and is close to the first runner (410), the second runner (410) is provided with a plurality of water outlet holes (49) and a plurality of water outlet channels (410) are arranged on the insulating layer (14), one end of the second flow channel (411) is communicated with the first flow channel (410) and the other end is contacted with the inner side of the bearing (16);
C. Placing a bearing: sequentially placing a plurality of bearings (16) on the corresponding discharging units (4);
D. initiating discharge and spraying electrolyte: starting a corresponding operation panel (9), driving a cylinder (10) to move downwards, enabling a copper column (12) at the lower end of the cylinder (10) to contact and be communicated with a discharging unit (4), enabling electrolyte to be sprayed upwards from an electrolyte box body (5) to form a bearing (16), enabling the bearing (16) to rotate along with the discharging unit (4) in the spraying process, enabling the electrolyte sprayed by a branch pipe (8) to flow through a water outlet hole (49), enabling part of the electrolyte to be sprayed into a supporting ring (44) to push a rotary table (46) to rotate, enabling part of the electrolyte to be sprayed into a cavity (43) of the discharging body (41) to flow to the outer side of the rotary table (46), enabling part of the electrolyte to be sprayed into a hole of a bearing (16), enabling the electrolyte to be sprayed into a first flow channel (410) and a second flow channel (411) of a fixed shaft (45), enabling the spraying time to be 5s-6s and a spraying gap to be 0.5ms;
E. cleaning and rust removal: washing the bearing through a water spray pipe, and then adopting kerosene for washing;
F. Standing and airing.
2. A bearing deburring process as claimed in claim 1, wherein: the walking roller sets are respectively arranged on two sides of the lower end of the frame (1), each walking roller set comprises two rollers (17) which are arranged in tandem, through holes (18) are formed in the rollers (17), the two rollers (17) which are correspondingly arranged are connected through U-shaped fixing rods (19), and the two ends of each fixing rod (19) are respectively embedded into the corresponding through holes (18).
3. A bearing deburring process as claimed in claim 1, wherein: the number of the tightening screws (13) is 3-5.
4. A bearing deburring process as claimed in claim 1, wherein: the driving cylinder (10) is an electric cylinder.
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| CN201910742500.5A CN110340468B (en) | 2019-08-13 | 2019-08-13 | Bearing deburring process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910742500.5A CN110340468B (en) | 2019-08-13 | 2019-08-13 | Bearing deburring process |
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| CN110340468A CN110340468A (en) | 2019-10-18 |
| CN110340468B true CN110340468B (en) | 2024-05-03 |
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| CN110340468A (en) | 2019-10-18 |
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