CN110173512B - Ball bearing steel ball assembling method - Google Patents
Ball bearing steel ball assembling method Download PDFInfo
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- CN110173512B CN110173512B CN201910284944.9A CN201910284944A CN110173512B CN 110173512 B CN110173512 B CN 110173512B CN 201910284944 A CN201910284944 A CN 201910284944A CN 110173512 B CN110173512 B CN 110173512B
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- steel ball
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- retainer
- rotating head
- blocking rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/065—Placing rolling bodies in cages or bearings in cages
Abstract
The invention relates to a method for assembling a steel ball of a ball bearing, which comprises the following steps of firstly, sleeving a retainer on a rotating head provided with a steel ball channel, wherein a steel ball mounting hole of the retainer and a steel ball extrusion groove are positioned at the same height; secondly, enabling the rotating head to rotate in a mode that the discharge end of the steel ball channel is behind the front steel ball extrusion groove, enabling a corresponding number of steel balls required to be assembled by a retainer to be continuously conveyed into the steel ball channel from the feed end of the steel ball channel, and enabling the retainer to be kept static in the rotating process of the rotating head; and thirdly, taking down the retainer with the steel ball. The invention provides a labor-saving ball bearing steel ball assembling method during assembling, which solves the problem of labor waste in the existing manual assembling method for aligning steel balls.
Description
Technical Field
The invention relates to the technical field of bearing processing, in particular to an assembling method of a ball bearing steel ball.
Background
The ball bearing is widely applied to various industries such as metallurgy, mining machinery, automobiles, gear boxes and the like due to the excellent comprehensive performance, and the using amount of the bearing is large. The existing ball bearing steel ball assembly method, namely assembling the steel ball on the retainer, comprises the steps of manually taking the steel ball into the retainer and aligning the steel ball with a steel ball mounting hole on the retainer, then extruding the steel ball along the radial direction through a pressing mechanism to enable the steel ball to enter the steel ball mounting hole, assembling a steel ball, then assembling the next steel ball according to the same method, and manually positioning the steel ball in the extrusion process to enable the steel ball to pop up and fall off in the extrusion process, so that the assembly method has the defect of labor waste.
Disclosure of Invention
The invention provides a labor-saving ball bearing steel ball assembling method during assembling, which solves the problem of labor waste in the existing manual assembling method for aligning steel balls.
The technical problem is solved by the following technical scheme: a ball bearing steel ball assembling method is characterized in that in the first step, a retainer is sleeved on a rotating head provided with a steel ball channel, the feeding end of the steel ball channel is located on the upper end face of a rotating head, the discharging end of the steel ball channel is located on the circumferential face of the rotating head, a steel ball extrusion groove extending along the circumferential direction of the rotating head is arranged on the circumferential face of the rotating head, one end of the steel ball extrusion groove is communicated with the discharging end, the other end of the steel ball extrusion groove penetrates through the circumferential face of the rotating head, the depth of the steel ball extrusion groove is gradually reduced from one end connected with the discharging end to the other end, and a steel ball mounting hole of the retainer and; secondly, enabling the rotating head to rotate in a mode that the discharge end of the steel ball channel is at the back of the front steel ball extrusion groove, enabling a corresponding number of steel balls needing to be assembled by one retainer to be continuously conveyed into the steel ball channel from the feed end of the steel ball channel, enabling the retainer to be kept static in the rotating process of the rotating head, enabling the steel balls to be extruded into the mounting holes when the steel balls pass through the steel ball mounting holes in the retainer as the rotating head rotates, and mounting the steel balls in each steel ball mounting hole when the rotating head rotates and sequentially passes through all the steel ball mounting holes in the retainer so as to finish the installation of the steel balls on one retainer; and thirdly, taking down the retainer with the steel ball. The assembly mode only needs to fill the steel ball into the steel ball channel of the rotating head, so that labor is saved and convenience is achieved. The method can not generate the phenomenon that the steel ball is popped up due to uneven stress when the steel ball is assembled, and has good reliability during assembly. The retainer or the inner and outer rings of the bearing do not need to be axially extruded, and the axial damage of the retainer and the inner and outer rings of the bearing can not be caused.
Preferably, the second step is to drive the rotary head to rotate by the rotary head driving mechanism; the rotating head driving mechanism comprises a lower fixing ring, an upper fixing ring, a connecting sleeve, a driven gear, a driving gear meshed with the driven gear and a rotating motor driving the driving gear to rotate, wherein the upper end of the connecting sleeve is penetrated and rotatably connected into the upper fixing ring, the lower end of the connecting sleeve is penetrated and rotatably connected into the lower fixing ring, the upper end of the rotating head is penetrated and fixed into the lower end of the connecting sleeve, and the driven gear and the connecting sleeve are fixed together; the specific process of driving the rotating head to rotate is as follows: the rotating motor drives the driving gear, the driving gear drives the driven gear, the driven gear drives the connecting sleeve, and the connecting sleeve drives the rotating head. The rotating head can be reliably rotated under the condition that the length of the rotating head is short, and the length of the steel ball channel is short when the length of the rotating head is short, so that the steel ball channel is convenient to manufacture.
Preferably, a power output shaft of the rotating motor drives a vertically arranged shaft head to drive the driving gear to rotate through a connecting shaft device.
Preferably, in the first step, the retainer is driven by the retainer driving and fixing mechanism, the retainer driving and fixing mechanism includes an upper clamp ring, a lower clamp plate and a clamp cylinder for driving the lower clamp plate to ascend and descend, the upper clamp ring is sleeved on the rotating head, and the retainer driving and fixing mechanism drives the retainer in the following process: the clamping cylinder drives the retainer on the lower clamping plate to ascend and abut on the upper clamping ring for clamping and fixing.
Preferably, in the second step, a corresponding number of steel balls required to be assembled by a retainer are continuously conveyed into the steel ball channel from the feeding end of the steel ball channel through the steel ball quantitative feeding mechanism; the quantitative steel ball feeding mechanism comprises a steel ball storage barrel with a steel ball outlet, an upper steel ball output pipe, an obliquely arranged steel ball quantitative queuing pipe and a lower steel ball output pipe, wherein the upper end of the upper steel ball output pipe is connected with the steel ball outlet, the upper end of the lower steel ball output pipe is connected with the upper steel ball output pipe, the lower end of the lower steel ball output pipe is aligned with the feeding end, the lower end of the steel ball quantitative queuing pipe is provided with a lower blocking rod and a lower blocking rod driving mechanism for driving the lower blocking rod to stretch, the upper end of the steel ball quantitative queuing pipe is provided with an upper blocking rod and an upper blocking rod driving mechanism for driving the upper blocking rod to stretch, and the number of steel balls which can be contained in a part of the steel ball quantitative queuing pipe, which is positioned between the upper blocking rod and the lower blocking rod, is equal to the number of steel balls required to be installed on; the specific process of conveying the steel balls into the rotating head is as follows: the steel balls are stored in the steel ball storage cylinder in batches, the lower blocking rod is blocked in the steel ball quantitative queuing pipe, the upper blocking rod avoids the opening, the steel balls move downwards to enter the steel ball quantitative queuing pipe, the steel balls reach the lower blocking rod and then indicate that the steel balls in the steel ball quantitative queuing pipe are full, the upper blocking rod is also blocked in the steel ball quantitative queuing pipe from this moment to before the lower blocking rod is removed, after a retainer to be assembled with the steel balls is positioned at a position where the steel balls can be assembled, the lower blocking rod is removed, so that all the steel balls in the steel ball quantitative queuing pipe flow out to the rotating head, the lower blocking rod faces to the steel ball quantitative queuing pipe and is removed from the upper blocking rod after all the steel balls in the steel ball quantitative queuing pipe flow out, so that the corresponding number of steel balls assembled for the next retainer enters the steel ball quantitative queuing pipe to wait, and the upper blocking rod is blocked in the steel ball quantitative queuing pipe again before the lower blocking rod is opened, and (4) when the next retainer to be assembled is positioned at a position where the steel balls can be assembled, removing the lower blocking rod, so that the steel balls in the steel ball quantitative queuing pipe all flow out to the rotating head, and circulating. The efficiency and the reliability during the assembly can be improved, and the ball leakage (namely, the steel ball is not arranged in some mounting holes) during the assembly and the excessive steel ball at the right side in the rotating head during the removal of the assembled retainer can be prevented from falling out.
Preferably, the steel ball quantifying mechanism further comprises a lifting cylinder, the steel ball outlet is formed in the side wall of the steel ball storage barrel, a push plate can be penetrated through the bottom wall of the steel ball storage barrel in a lifting mode, the push plate is driven by the lifting cylinder to lift, a steel ball queuing sliding groove which is used for arranging steel balls in a single row and can be aligned with the steel ball outlet is formed in the upper end face of the push plate, and the steel ball queuing sliding groove is low in one end facing the steel ball outlet and high in the other end facing the steel ball outlet; the process of making the steel ball fall out of the steel ball storage barrel is as follows: the lifting cylinder drives the push plate to rise, the push plate lifts a row of steel balls to align with the steel ball outlet holes when rising, and then the steel balls slide to the steel ball outlet holes from the steel ball queuing chute under the action of gravity and fall out. The technical scheme can ensure that the position of the steel ball outlet hole is higher, thereby improving the speed of the steel ball when moving into the steel ball quantitative queuing groove and realizing the high-speed steel ball assembly. In addition, the existing mode of queuing and moving out materials one by one is usually realized by a vibrating disk, the rotating disk is inserted into the defect of high noise, and the rotation is easy to interfere and influence the normal operation of peripheral equipment, and the technical scheme can overcome the problem.
Preferably, the bottom wall of the steel ball storage barrel is provided with a steel ball gathering groove with an opening width gradually reduced from top to bottom, and the push plate penetrates through the bottommost part of the steel ball gathering groove, so that the steel balls in the steel ball storage barrel can be completely output.
The invention has the following advantages: the steel balls are assembled in a rotating mode, and the steel balls are convenient, labor-saving and good in reliability during assembly.
Drawings
Fig. 1 is a perspective view of an assembly mechanism according to the present invention.
Fig. 2 is a schematic cross-sectional view of the assembly mechanism of the present invention.
Fig. 3 is a schematic perspective view of the spin head.
Fig. 4 is a schematic perspective view of a quantitative steel ball feeding mechanism.
Fig. 5 is a partial schematic view of a steel ball dosing mechanism.
In the figure: the steel ball quantitative queuing pipe comprises a rotating head 1, a steel ball channel 2, a feeding end 3 of the steel ball channel, a discharging end 4 of the steel ball channel, a steel ball extrusion groove 5, a top plate 12, a middle plate 13, a bottom plate 14, a vertical guide rod 15, a lower fixing ring 6, an upper fixing ring 7, a connecting sleeve 8, a driven gear 9, a driving gear 10, a rotating motor 11, a connecting shaft device 16, a shaft head 17, a connecting bolt 18, a disengagement preventing piece 19, an upper clamping ring 20, a lower clamping plate 22, a clamping cylinder 23, a lifting plate 24, a retainer 25, a positioning ring groove 26, a connecting hole 27, a boss 28, a steel ball outlet hole 29, a steel ball storage barrel 30, an upper steel ball output pipe 31, a steel ball quantitative queuing pipe 32, a lower steel ball output pipe 33, a lower blocking rod 34, a lower through hole 35, a lower blocking rod driving mechanism 36, an upper through hole 37, an upper blocking rod driving mechanism 38, a lifting cylinder, A steel ball gathering groove 43 and an upper blocking rod 44.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1, 2, 3, 4 and 5, a steel ball assembling mechanism includes a frame, a cylindrical rotary head 1, a holder driving and fixing mechanism, a rotary head driving mechanism and a steel ball quantitative feeding mechanism. The rotating head is provided with a steel ball channel 2, the feeding end 3 of the steel ball channel is positioned on the upper end surface of the rotating head, and the discharging end 4 of the steel ball channel is positioned on the circumferential surface of the rotating head. The circumferential surface of the rotating head is provided with a steel ball extrusion groove 5 extending along the circumferential direction of the rotating head. One end of the steel ball extrusion groove is communicated with the discharge end, and the other end of the steel ball extrusion groove penetrates through the circumferential surface of the rotating head. The depth of the steel ball extrusion groove is gradually reduced from one end connected with the discharge end to the other end. The rack includes a top plate 12, a middle plate 13, and a bottom plate 14. The top plate 12 and the bottom plate 14 are connected together by a number of vertical guide rods 15. The middle plate is fixed on the vertical guide rod. The rotating head driving mechanism comprises a lower fixing ring 6, an upper fixing ring 7, a connecting sleeve 8, a driven gear 9, a driving gear 10 meshed with the driven gear and a rotating motor 11 driving the driving gear to rotate. The upper fixing ring is fixed on the office. The upper end of the connecting sleeve penetrates through and is rotatably connected in the upper fixing ring. The lower fixing ring is fixed and arranged on the middle plate in a penetrating way. The lower end of the connecting sleeve penetrates through and is rotatably connected in the lower fixing ring. The upper end of the rotating head is penetrated and fixed in the lower end of the connecting sleeve. The driven gear is fixed with the connecting sleeve. The rotating motor is a stepping motor. The power output shaft of the rotating motor is connected with a vertically arranged shaft head 17 through a shaft connector 16. The spindle nose rotates and passes through the top plate. The driving gear is connected to the shaft head. The upper end of the shaft head is connected with the shaft coupling, and the lower end surface is connected with a slip-preventing sheet 19 for preventing the driving gear from slipping off from the shaft head through a connecting bolt 18. The holder driving and fixing mechanism comprises an upper clamping ring 20, a lower clamping plate 22, a clamping cylinder 23, a lifting plate 24 and a vertical guide rod 15 arranged on the lifting plate in a penetrating way. The upper clamping ring is sleeved on the rotating head and fixed with the middle plate. The lower clamping plate is provided with a positioning ring groove 26 for supporting the retainer 25. The positioning ring groove is coaxial with the rotating head. The cylinder body of the clamping cylinder is fixed with the bottom plate. The piston rod of the clamping cylinder is connected with the lifting plate. The lifting plate is provided with a coupling hole 27. The lower clamping plate is provided with a boss 28. The lug boss is arranged in the connecting hole in a penetrating way to connect the lower clamping plate with the lifting plate.
The steel ball quantitative feeding mechanism comprises a steel ball storage barrel 30 provided with a steel ball outlet 29, an upper steel ball output pipe 31 with the upper end connected with the steel ball outlet, an obliquely arranged steel ball quantitative queuing pipe 32 with the upper end connected with the upper steel ball output pipe, and a lower steel ball output pipe 33 with the upper end connected with the steel ball quantitative queuing pipe. The lower end of the lower steel ball output pipe is arranged in the upper end of the connecting sleeve 8 in a penetrating way and aligned with the feeding end 3. The lower end of the steel ball quantitative queuing pipe is provided with a lower arresting rod 34, a lower through hole 35 and a lower arresting rod driving mechanism 36 for driving the lower arresting rod to stretch and retract. When the quantitative queuing pipe is used, the lower blocking rod driving mechanism drives the lower blocking rod to be inserted into the steel ball quantitative queuing pipe from the lower through hole, and then the steel balls cannot fall out of the lower end of the steel ball quantitative queuing pipe. The upper end of the steel ball quantitative queuing pipe is provided with an upper blocking rod 44, an upper through hole 37 and an upper blocking rod driving mechanism 38 for driving the upper blocking rod to stretch and retract. When the quantitative queuing pipe is used, the lower blocking rod driving mechanism drives the upper blocking rod to be inserted into the steel ball quantitative queuing pipe from the upper through hole, and then the steel balls cannot fall into the steel ball quantitative queuing pipe from the upper end of the steel ball quantitative queuing pipe. The part of the steel ball quantitative queuing pipe between the upper blocking rod and the lower blocking rod, namely the part between the upper through hole and the lower through hole, can contain the same number of steel balls as the number of steel balls required to be installed on the retainer to be assembled with the steel balls. The upper and lower arresting bar driving mechanisms are air cylinders. The upper blocking rod and the lower blocking rod are arranged on the same side, namely the upper side, of the steel ball quantitative queuing pipe. The upper and lower bars extend in the up-down direction.
The steel ball dosing mechanism further comprises a lifting cylinder 39. The steel ball outlet is arranged on the side wall of the steel ball storage barrel. The bottom wall of the steel ball storage barrel can be provided with a push plate 40 in a penetrating way in a lifting way. The push plate is driven to lift through the lifting cylinder. The upper end face of the push plate is provided with a steel ball queuing chute 41 which is used for arranging steel balls in a single row and can be aligned with the steel ball outlet hole, and one end of the steel ball queuing chute, which faces the steel ball outlet hole, is lower while the other end is higher. A gap is arranged between the surface 42 of one side of the push plate facing the steel ball outlet and the steel ball storage barrel. The width of the gap is less than one half of the radius of the steel ball, specifically 0.1 mm. Of course, it is also possible that the surface 42 of the push plate facing the steel ball outlet hole abuts against the inner surface of the steel ball storage barrel, but the resistance is large. The bottom wall of the steel ball storage barrel is provided with a steel ball gathering groove 43 with the opening width gradually reduced from top to bottom. The steel ball gathering groove is a V-shaped groove. The push plate is arranged on the bottommost part of the steel ball gathering groove in a penetrating mode.
The method for assembling the steel ball of the ball bearing comprises the following steps: the method comprises the following steps that firstly, a retainer is sleeved on a rotating head provided with a steel ball channel, the feeding end of the steel ball channel is positioned on the upper end face of a rotating head, the discharging end of the steel ball channel is positioned on the circumferential face of the rotating head, a steel ball extrusion groove extending along the circumferential direction of the rotating head is arranged on the circumferential face of the rotating head, one end of the steel ball extrusion groove is communicated with the discharging end, the other end of the steel ball extrusion groove penetrates through the circumferential face of the rotating head, the depth of the steel ball extrusion groove is gradually reduced from one end connected with the discharging end to the other end, and a steel ball mounting hole; secondly, enabling the rotating head to rotate in a mode that the discharge end of the steel ball channel is at the back of the front steel ball extrusion groove, enabling a corresponding number of steel balls needing to be assembled by one retainer to be continuously conveyed into the steel ball channel from the feed end of the steel ball channel, enabling the retainer to be kept static in the rotating process of the rotating head, enabling the steel balls to be extruded into the mounting holes when the steel balls pass through the steel ball mounting holes in the retainer as the rotating head rotates, and mounting the steel balls in each steel ball mounting hole when the rotating head rotates and sequentially passes through all the steel ball mounting holes in the retainer so as to finish the installation of the steel balls on one retainer; and thirdly, taking down the retainer with the steel ball. The steel balls are stored in the steel ball storage barrel in batches, the lower blocking rod is blocked in the steel ball quantitative queuing pipe, the upper blocking rod avoids being opened, the steel balls move downwards to enter the steel ball quantitative queuing pipe, the steel balls reach the lower blocking rod and indicate that the steel balls in the steel ball quantitative queuing pipe are full, the upper blocking rod is blocked in the steel ball quantitative queuing pipe from this moment to before the lower blocking rod is removed, the lower blocking rod is removed after a retainer to be assembled with the steel balls is positioned at a position where the steel balls can be assembled, so that the steel balls in the steel ball quantitative queuing pipe all flow out to the rotating head, the rotating head rotates for one circle, namely, a steel ball is installed in each steel ball installation hole of the retainer, and then the assembled retainer is removed. After all the steel balls positioned below the upper blocking rod in the steel ball quantitative queuing pipe flow out, the lower blocking rod faces to the steel ball quantitative queuing pipe and is blocked in the steel ball quantitative queuing pipe, the upper blocking rod is removed, so that the steel balls assembled for the next retainer enter the steel ball quantitative queuing pipe to wait, the upper blocking rod is blocked in the steel ball quantitative queuing pipe again before the lower blocking rod is opened, after the assembled retainer is removed, the next retainer to be assembled is positioned at a position where the steel balls can be assembled, the lower blocking rod is removed, so that all the steel balls in the steel ball quantitative queuing pipe flow out to the rotating head, the rotating head rotates for one circle, namely, a steel ball is installed in each steel ball installation hole of the retainer, and the process is repeated.
The rotating head driving mechanism drives the rotating head to rotate in the process that: the rotating motor 11 drives the brake gear, the driving gear drives the driven gear, the driven gear drives the connecting sleeve, the connecting sleeve drives the rotating head to rotate, and the rotating head rotates in the direction that the discharging end is in front and the steel ball extruding groove is in back, namely, the rotating head rotates in the direction A in figure 3.
The process of the upper and lower holders 25 is: the clamping cylinder contracts to enable the lifting plate to be in a low position, at the moment, the lower end faces of the lower clamping plate and the rotating head are staggered in the vertical direction to form a space for the retainer to enter, the retainer is placed on the positioning ring groove in the vertical direction in the axial direction, the clamping cylinder extends to drive the lifting plate to ascend, the lifting plate drives the lower clamping plate to ascend, and the lower clamping plate is matched with the upper clamping ring to clamp and fix the retainer.
The process of falling out of the steel balls in the steel ball storage barrel comprises the following steps: the push plate is driven by the lifting cylinder to ascend to the steel ball queuing chute to be aligned with the steel ball outlet hole, and then the steel ball moves to the steel ball outlet hole from the steel ball queuing chute under the free running of gravity and falls out.
Claims (5)
1. A ball bearing steel ball assembling method is characterized in that in the first step, a retainer is sleeved on a rotating head provided with a steel ball channel, the feeding end of the steel ball channel is located on the upper end face of a rotating head, the discharging end of the steel ball channel is located on the circumferential face of the rotating head, a steel ball extrusion groove extending along the circumferential direction of the rotating head is arranged on the circumferential face of the rotating head, one end of the steel ball extrusion groove is communicated with the discharging end, the other end of the steel ball extrusion groove penetrates through the circumferential face of the rotating head, the depth of the steel ball extrusion groove is gradually reduced from one end connected with the discharging end to the other end, and a steel ball mounting hole of the retainer and; secondly, enabling the rotating head to rotate in a mode that the discharge end of the steel ball channel is at the back of the front steel ball extrusion groove, enabling a corresponding number of steel balls needing to be assembled by one retainer to be continuously conveyed into the steel ball channel from the feed end of the steel ball channel, enabling the retainer to be kept static in the rotating process of the rotating head, enabling the steel balls to be extruded into the mounting holes when the steel balls pass through the steel ball mounting holes in the retainer as the rotating head rotates, and mounting the steel balls in each steel ball mounting hole when the rotating head rotates and sequentially passes through all the steel ball mounting holes in the retainer so as to finish the installation of the steel balls on one retainer; thirdly, taking down the retainer with the steel balls, and continuously conveying the steel balls with the corresponding quantity, which need to be assembled, of the retainer into the steel ball channel from the feeding end of the steel ball channel through the steel ball quantitative feeding mechanism in the second step; the quantitative steel ball feeding mechanism comprises a steel ball storage barrel with a steel ball outlet, an upper steel ball output pipe, an obliquely arranged steel ball quantitative queuing pipe and a lower steel ball output pipe, wherein the upper end of the upper steel ball output pipe is connected with the steel ball outlet, the upper end of the lower steel ball output pipe is connected with the upper steel ball output pipe, the lower end of the lower steel ball output pipe is aligned with the feeding end, the lower end of the steel ball quantitative queuing pipe is provided with a lower blocking rod and a lower blocking rod driving mechanism for driving the lower blocking rod to stretch, the upper end of the steel ball quantitative queuing pipe is provided with an upper blocking rod and an upper blocking rod driving mechanism for driving the upper blocking rod to stretch, and the number of steel balls which can be contained in a part of the steel ball quantitative queuing pipe, which is positioned between the upper blocking rod and the lower blocking rod, is equal to the number of steel balls required to be installed on; the specific process of conveying the steel balls into the rotating head is as follows: the steel balls are stored in the steel ball storage cylinder in batches, the lower blocking rod is blocked in the steel ball quantitative queuing pipe, the upper blocking rod avoids the opening, the steel balls move downwards to enter the steel ball quantitative queuing pipe, the steel balls reach the lower blocking rod and then indicate that the steel balls in the steel ball quantitative queuing pipe are full, the upper blocking rod is also blocked in the steel ball quantitative queuing pipe from this moment to before the lower blocking rod is removed, after a retainer to be assembled with the steel balls is positioned at a position where the steel balls can be assembled, the lower blocking rod is removed, so that all the steel balls in the steel ball quantitative queuing pipe flow out to the rotating head, the lower blocking rod faces to the steel ball quantitative queuing pipe and is removed from the upper blocking rod after all the steel balls in the steel ball quantitative queuing pipe flow out, so that the corresponding number of steel balls assembled for the next retainer enters the steel ball quantitative queuing pipe to wait, and the upper blocking rod is blocked in the steel ball quantitative queuing pipe again before the lower blocking rod is opened, when the next retainer to be assembled is positioned at a position where the steel balls can be assembled, the lower blocking rod is moved away, so that all the steel balls in the steel ball quantitative queuing pipe flow out to the rotating head, and the process is repeated, wherein the steel ball quantitative mechanism further comprises a lifting cylinder, the steel ball outlet is arranged on the side wall of the steel ball storage barrel, a push plate can be penetrated through the bottom wall of the steel ball storage barrel in a lifting manner, the push plate is driven by the lifting cylinder to lift, a steel ball queuing chute which is used for arranging the steel balls in a single row and can be aligned with the steel ball outlet is arranged on the upper end face of the push plate, and the steel ball queuing chute is low towards one end of the steel ball outlet, and the other end; the process of making the steel ball fall out of the steel ball storage barrel is as follows: the lifting cylinder drives the push plate to rise, the push plate lifts a row of steel balls to align with the steel ball outlet holes when rising, and then the steel balls slide to the steel ball outlet holes from the steel ball queuing chute under the action of gravity and fall out.
2. A ball bearing steel ball assembling method according to claim 1, wherein in the second step, the rotating head is driven to rotate by a rotating head driving mechanism; the rotating head driving mechanism comprises a lower fixing ring, an upper fixing ring, a connecting sleeve, a driven gear, a driving gear meshed with the driven gear and a rotating motor driving the driving gear to rotate, wherein the upper end of the connecting sleeve is penetrated and rotatably connected into the upper fixing ring, the lower end of the connecting sleeve is penetrated and rotatably connected into the lower fixing ring, the upper end of the rotating head is penetrated and fixed into the lower end of the connecting sleeve, and the driven gear and the connecting sleeve are fixed together; the specific process of driving the rotating head to rotate is as follows: the rotating motor drives the driving gear, the driving gear drives the driven gear, the driven gear drives the connecting sleeve, and the connecting sleeve drives the rotating head.
3. The assembly method of a ball bearing steel ball according to claim 2, wherein a power output shaft of the rotating motor drives a vertically arranged shaft head to drive the driving gear to rotate through a connecting shaft device.
4. The ball bearing steel ball assembling method according to claim 1, wherein the retainer is driven by a retainer driving fixing mechanism in a first step, the retainer driving fixing mechanism includes an upper clamp ring, a lower clamp plate, and a clamp cylinder for driving the lower clamp plate to ascend and descend, the upper clamp ring is fitted on the spin head, and the retainer driving fixing mechanism drives the retainer by: the clamping cylinder drives the retainer on the lower clamping plate to ascend and abut on the upper clamping ring for clamping and fixing.
5. The ball bearing steel ball assembling method according to claim 1, wherein a steel ball gathering groove whose opening width is gradually reduced from top to bottom is provided on a bottom wall of the steel ball storage tub, and the push plate is inserted into a bottommost portion of the steel ball gathering groove, so that the steel balls in the steel ball storage tub can be completely discharged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284944.9A CN110173512B (en) | 2019-04-10 | 2019-04-10 | Ball bearing steel ball assembling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284944.9A CN110173512B (en) | 2019-04-10 | 2019-04-10 | Ball bearing steel ball assembling method |
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| CN110173512A CN110173512A (en) | 2019-08-27 |
| CN110173512B true CN110173512B (en) | 2020-05-29 |
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| CN201944132U (en) * | 2011-03-11 | 2011-08-24 | 无锡理昌科技有限公司 | Ball feeding device of steel ball assembling device |
| CN202108883U (en) * | 2011-04-15 | 2012-01-11 | 昆山恩斯克有限公司 | Cage mounting device |
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