CN108006087B - Thrust ball bearing assembly machine - Google Patents
Thrust ball bearing assembly machine Download PDFInfo
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- CN108006087B CN108006087B CN201711169950.7A CN201711169950A CN108006087B CN 108006087 B CN108006087 B CN 108006087B CN 201711169950 A CN201711169950 A CN 201711169950A CN 108006087 B CN108006087 B CN 108006087B
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- ball
- pressing
- retainer
- cylinder
- plastic
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Classifications
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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 provides a thrust ball bearing assembly machine, and belongs to the technical field of bearing machining. The bearing machine solves the problem of complex structure of the existing bearing machine. The bearing assembly machine comprises a frame, a feeding mechanism, a pushing mechanism, an assembly mechanism, a ball storage mechanism and a discharge hole, wherein the feeding mechanism, the pushing mechanism, the assembly mechanism, the ball storage mechanism and the discharge hole are arranged on the frame, balls are firstly stored in the ball storage mechanism, roll into ball grooves at the front end of a supporting plate by self gravity, the supporting plate is pushed to a proper position through an air cylinder, a plastic retainer is added into the feeding hole of the retainer through a feeding machine, the plastic retainer is pushed to the position right above the balls through a retainer pushing plate, and finally the balls and the plastic retainer with basically consistent positions drive the plastic retainer to be rotationally pressed in through a pressing column, so that the manufacturing and assembly work of the thrust ball bearing is realized. The thrust ball bearing assembly machine simplifies the conditions that the general bearing assembly machine is larger and the structure is complex, greatly reduces the labor intensity of workers, improves the production efficiency by several times and reduces the production cost of products.
Description
Technical Field
The invention relates to automatic assembly equipment, in particular to a thrust ball bearing assembly machine.
Background
The thrust ball bearing is a product with wide application and large market demand. The thrust ball bearing is designed to bear thrust load during high-speed operation and consists of a washer-shaped ferrule with a ball rolling raceway groove. With the development of the age, the assembly of the thrust ball bearing is gradually replaced by an automatic thrust ball bearing assembly machine by original manual knocking assembly.
At present, the traditional bearing assembly machine requires the steel ball to rotate flexibly in the pocket after pressing, but can not fall off from the pocket, and the technical specification checks the play amount of the steel ball in the pocket. The steel ball shifting amount is small due to the fact that the entity retainer is stamped and pressed too deeply, the connection between the stamping convex part and the retainer is too small, strength is insufficient, the phenomenon of falling blocks is easy to occur, and the retainer is scrapped. Therefore, the ball leakage, clamping and ball clamping phenomena of the traditional bearing assembly machine can lead to low assembly efficiency, poor finished product and large loss of the thrust ball bearing assembly machine, so that the thrust ball bearing assembly machine with simple structure and high efficiency is required.
Disclosure of Invention
The invention provides a thrust ball bearing assembly machine which is used for providing efficiency.
A first aspect of the present invention provides a thrust ball bearing assembly machine comprising: the device comprises a rack, a ball feeding mechanism, a plastic retainer feeding mechanism, a bead pressing cylinder, a bead storage box, a discharge hole and a bead pressing assembly device, wherein the ball feeding mechanism, the plastic retainer feeding mechanism, the bead pressing cylinder, the bead storage box and the discharge hole are arranged on the rack;
the ball feeding mechanism consists of an empty square ball storage box and a moving platform, and the power of the ball feeding mechanism drives the moving platform by a mini cylinder;
the plastic retainer feeding mechanism is characterized in that a feeding machine is used for arranging plastic retainers to a feeding port, and the plastic retainers are pushed to an assembling and pressing position through a push plate;
the baffle plate limits the plastic retainer; the plastic retainer pressing column is used for preventing the plastic retainer from overturning when moving; the power of the push plate is driven by a retainer pushing cylinder;
the ball pressing assembly device consists of a ball pressing cylinder and a guide part, wherein the ball pressing cylinder moves up and down and simultaneously has a rotating function so as to align the balls with the hole sites of the plastic retainer.
Optionally, the bead pressing cylinder consists of a lower pressing pile, an inner spring and a guide post;
the side wall of the guide post is provided with a spiral groove which is used for driving the down-pressing pile to move up and down and rotate for positioning;
and the inner spring is used for stabilizing the movement directions of the down-pressing pile and the guide post.
Optionally, a semicircular groove is formed in the lower end face of the lower pressing pile; and the pressing part of the down-pressing pile is made of elastic materials.
Optionally, the method further comprises: the guide post guide plate is provided with a U-shaped groove;
the U-shaped groove is used for guiding the up-and-down movement of the guide post.
Optionally, a counter bore is arranged in the center of the front half part of the mobile platform;
a bearing tray in transition fit is arranged at the counter bore;
the bearing tray limits the up-down moving position through the thimble fixed on the moving plate; and the bearing tray is always in contact with the moving plate through the pressure spring.
Optionally, a round hole is formed in the mobile platform; the difference between the diameter of the round hole and the diameter of the ball is 0.5mm; and the upper end of the movable platform is subjected to chamfering treatment.
Optionally, the plastic holder feeding mechanism comprises a feeding holder;
the transition part of the guide rail and the through hole of the feeding frame is a rounding angle.
Optionally, the method further comprises: stirring the bead rod;
the ball storage box is internally provided with a motor, and the motor drives the ball stirring rod so that the balls fall into the round holes of the movable boss.
Optionally, the method further comprises: a pushing cylinder and a bead pressing cylinder;
wherein the pushing cylinder is used for pushing the moving plate and the plastic retainer;
the ball pressing cylinder is used for driving the guide post to move up and down so as to provide extrusion force for the balls and the plastic retainer, and is fixed on the cylinder adjusting plate through bolts;
the pushing cylinder and the bead pressing cylinder are double-acting cylinders.
The embodiment of the invention provides a thrust ball bearing assembly machine, and belongs to the technical field of bearing processing. The bearing machine solves the problem of complex structure of the existing bearing machine. The bearing assembly machine comprises a frame, a feeding mechanism, a pushing mechanism, an assembly mechanism, a ball storage mechanism and a discharge hole, wherein the feeding mechanism, the pushing mechanism, the assembly mechanism, the ball storage mechanism and the discharge hole are arranged on the frame, balls are firstly stored in the ball storage mechanism, roll into ball grooves at the front end of a supporting plate by self gravity, the supporting plate is pushed to a proper position through an air cylinder, a plastic retainer is added into the feeding hole of the retainer through a feeding machine, the plastic retainer is pushed to the position right above the balls through a retainer pushing plate, and finally the balls and the plastic retainer with basically consistent positions drive the plastic retainer to be rotationally pressed in through a pressing column, so that the manufacturing and assembly work of the thrust ball bearing is realized. The thrust ball bearing assembly machine simplifies the conditions that the general bearing assembly machine is larger and the structure is complex, greatly reduces the labor intensity of workers, improves the production efficiency by several times and reduces the production cost of products.
Drawings
FIG. 1A is a schematic diagram of a thrust ball bearing assembly machine according to an embodiment of the present invention;
FIG. 1B is a schematic diagram of another thrust ball bearing assembly machine according to an embodiment of the present invention;
fig. 2A is a schematic structural diagram of a feeding mechanism of a feeding rack and a plastic retainer of a thrust ball bearing assembly machine according to an embodiment of the present invention;
FIG. 2B is a schematic top view of a feeding rack according to an embodiment of the present invention;
FIG. 2C is a schematic side view of a feeding rack according to an embodiment of the present invention;
fig. 3A is a schematic structural view of a ball pressing mechanism and a guide post of a thrust ball bearing assembly machine according to an embodiment of the present invention;
fig. 3B is a schematic view of a guide post and guide plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a ball feeding mechanism of a thrust ball bearing assembly machine according to an embodiment of the present invention;
FIG. 5 is a schematic view of a counterbore structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a circular hole according to an embodiment of the present invention.
The attached drawings are identified:
1. a motor; 2. a bead pressing cylinder; 3. feeding a trough; 4. a cylinder adjusting plate; 5. a lower pressure cylinder mounting plate; 6. a front baffle; 7. a guide post; 8. a pressure spring; 9. pressing down the pile; 10. a limiting plate; 11. a limiting plate support plate; 12. a frame; 13. a discharge port; 14. a bead unloading port; 15. a bead discharging port baffle; 16. A cylinder support; 17. the moving plate pushes the air cylinder; 18. a feed rack; 19. a plastic retainer pusher plate; 20. a retainer pushing cylinder; 21. a cage feed support plate; 22. cage feed struts; 23. a moving plate; 24. a bearing tray; 25. an adjusting nut; 26. a lower pressure spring; 27. a thimble; 28. adjusting the supporting rod; 29. a thimble bottom plate; 30. guide post guide plate; 31. a base plate of the machine base; 32. and (5) pressing the column by using the plastic retainer.
Detailed Description
Referring to fig. 1A to 4, a thrust ball bearing assembly machine includes: the device comprises a frame 12, a ball feeding mechanism, a plastic retainer feeding mechanism, a bead pressing cylinder, a bead storage box, a discharge hole 13 and a bead pressing assembly device which are arranged on the frame 12;
the ball feeding mechanism consists of an empty square ball storage box and a moving platform, and the power of the ball feeding mechanism drives the moving platform by a mini cylinder;
the plastic retainer feeding mechanism is characterized in that a feeding machine is used for arranging plastic retainers to a feeding port, and the plastic retainers are pushed to an assembling and pressing position through a push plate;
the limiting plate 10 limits the plastic retainer; the plastic retainer pressing column is used for preventing the plastic retainer from overturning when moving; the power of the push plate is driven by a retainer pushing cylinder 20;
the ball pressing assembly device consists of a ball pressing cylinder and a guide part, wherein the ball pressing cylinder moves up and down and simultaneously has a rotating function so as to align the balls with the hole sites of the plastic retainer.
Specifically, referring to fig. 1A, a limiting plate support plate 11 is used for fixedly supporting the plastic retainer limiting plate. The bead unloading port 14 is used for unloading the steel beads in the bead loading box when the bearing machine is to be subjected to machine inspection and debugging so as to play a role in bead unloading guiding; the bead discharging opening baffle 15 is used for preventing the steel balls from being discharged when the machine starts to run, and plays a role in sealing; the cylinder pillar 16 is used for fixing the movable plate pushing cylinder on the frame; a moving plate pushing cylinder 17 for providing power for the moving plate to move forward and backward;
with continued reference to FIG. 1B, a plastic retainer pusher plate 19 for providing a pushing action on the plastic retainer; a holder feed support plate 21 for supporting the plastic holder; 22. the retainer feeding support column 22 is used for enabling the pushing mechanism to be fixed on the frame and plays a role in supporting and fixing; a base floor 31 for providing support to the entire fuselage; the plastic retainer pressing post 32 prevents the retainer from turning over and shifting when pushing the plastic retainer, and plays a role of limiting and guiding.
The embodiment of the invention provides a thrust ball bearing assembly machine, and belongs to the technical field of bearing processing. The bearing machine solves the problem of complex structure of the existing bearing machine. The bearing assembly machine comprises a frame, a feeding mechanism, a pushing mechanism, an assembly mechanism, a ball storage mechanism and a discharge hole, wherein the feeding mechanism, the pushing mechanism, the assembly mechanism, the ball storage mechanism and the discharge hole are arranged on the frame, balls are firstly stored in the ball storage mechanism, roll into ball grooves at the front end of a supporting plate by self gravity, the supporting plate is pushed to a proper position through an air cylinder, a plastic retainer is added into the feeding hole of the retainer through a feeding machine, the plastic retainer is pushed to the position right above the balls through a retainer pushing plate, and finally the balls and the plastic retainer with basically consistent positions drive the plastic retainer to be rotationally pressed in through a pressing column, so that the manufacturing and assembly work of the thrust ball bearing is realized. The thrust ball bearing assembly machine simplifies the conditions that the general bearing assembly machine is larger and the structure is complex, greatly reduces the labor intensity of workers, improves the production efficiency by several times and reduces the production cost of products.
Further, fig. 2A is a schematic structural diagram of a feeding frame and a plastic holder feeding mechanism of a thrust ball bearing assembly machine according to an embodiment of the present invention, as shown in fig. 2A, the plastic holder feeding mechanism is formed by arranging plastic holders on a feeding frame 18 by a feeding machine, and pushing the plastic holders to an assembly pressing position plate by a push plate 19. Wherein the limiting plate 10 in fig. 1A is required to limit, and the plastic retainer is prevented from overturning when moving by the compression column guide. The power of the push plate is pushed by the retainer to the cylinder 20 to form a circular reciprocating motion. The plastic holder feed mechanism includes the feed holder 18, and the transition portion of the guide rail and the through hole of the feed holder 18 in the plastic holder feed mechanism must be rounded, and the above-described design is adopted in order to reduce the impact to the push plate 19 and the feed holder 18 because the position is not very accurate when the push plate pushes the holder.
Wherein, the plastic retainer pressing post 32 prevents the retainer from turning and shifting when pushing the plastic retainer, and plays a role of limiting and guiding.
Further, referring to fig. 2B and 2C, the implementation dimensions of the feeding rack 18 can be known.
Optionally, a semicircular groove is formed in the lower end face of the lower pressing pile 9; and the pressing part of the down-pressing pile is made of elastic materials. Preferably, the elastic material is a rubber material, so that the buffering effect can be achieved, and the friction can be increased. Optionally, the rubber material is neoprene (Chloroprene Rubber, abbreviated CR).
Alternatively, as shown in fig. 3A, the bead assembly device is composed of a bead cylinder and a guide part, wherein the bead cylinder has a rotating function while moving up and down, thereby achieving the effect of aligning the ball and the hole site of the plastic retainer.
Specifically, referring to fig. 3A and 3B, the U-shaped groove on the guide post guide plate 30 is used to limit the vertical movement of the guide post, and simultaneously fix the bead pressing mechanism on the stand.
One possible implementation of the beading cartridge is given below:
the ball pressing cylinder consists of a lower pressing pile 9, an inner spring 8 and a guide post 7;
a spiral groove is formed in the side wall of the guide post 7 and used for driving the down-pressing pile 9 to move up and down and rotate for positioning;
the spring 8 is used for stabilizing the movement direction of the pressing pile 9 and the guide post 7.
Specifically, a spiral groove of the guide post 7 is provided with a rotary spiral hole and a linear hole, the linear hole on the upper part is used for enabling the guide post 7 to linearly move up and down and driving the down-pressing pile 9 to move up and down, the spiral hole is used for enabling the down-pressing pile 9 to have the function of rotating and aligning the hole when being pressed to the plastic retainer, and the internal pressure spring 8 is used for enabling the down-pressing pile 9 to achieve the reset action when being lifted and returned. While the power is provided by the beading cylinder 2, so that the assembly of the balls and the plastic cage is realized.
Preferably, the method further comprises: the guide post guide plate 30, wherein a U-shaped groove is formed in the guide post guide plate 30; the U-shaped groove is used for guiding the up-and-down movement of the guide post 7.
As shown in FIG. 4, the ball feeding mechanism consists of an empty square ball storage box and a moving platform. The power is driven by a mini cylinder to move the platform.
The adjusting support rod 28 is used for supporting and connecting the thimble bottom plate on the moving plate; a thimble base plate 29 for providing support for the thimble for ejecting the steel ball when the down-pressing pile is assembled to the plastic retainer in a pressing manner
Further, fig. 5 is a schematic structural diagram of a counterbore provided by the embodiment of the present invention, and referring to fig. 5, a counterbore is provided at the center of the front half of the moving platform; a transition fit bearing tray 24 is arranged at the counter bore; referring to fig. 4, the bearing tray 24 defines an up-down moving position by a thimble 27 fixed to the moving plate; and the bearing tray 24 is always kept in contact with the moving plate 23 by a lower compression spring 26. The adjusting nut 25 is used for fixing the thimble bottom plate on the moving plate, and simultaneously, the tightness of the lower pressure spring to the bearing disc support can be adjusted during debugging in the installation process.
Specifically, referring to fig. 6, a circular hole is formed on the mobile platform; the difference between the diameter of the round hole and the diameter of the ball is 0.1mm; and the upper end of the movable platform is subjected to chamfering treatment. Optionally, in connection with FIG. 4, a transition fit bearing tray 24 is positioned at the counterbore. Wherein the bearing tray 24 is defined in an up-and-down movement position by a thimble 27 fixed to the moving plate. Meanwhile, the movable boss is always in contact with the movable plate through the pressure spring 26.
Preferably, the round hole in the bearing tray 24 is 0.1mm larger than the ball, and is chamfered at the upper end to allow the ball to smoothly drop into the hole. The bearing tray 24 filled with balls is pushed to the assembling position by the air cylinder, the bearing tray 24 is moved down a distance by pressing down the piles 9, and the balls stand out while being aligned with the hole sites of the plastic cage to complete the assembling.
Preferably, the bead storage box is further provided with a bead stirring rod, and correspondingly, a motor is arranged in the bead storage box and drives the bead stirring rod so that the balls fall into the round holes of the movable boss.
Further, the thrust ball bearing assembly machine comprises a pushing cylinder and a ball pressing cylinder;
wherein the pushing cylinder is used for pushing the moving plate and the plastic retainer;
the ball pressing cylinder is used for driving the guide post to move up and down so as to provide extrusion force for the balls and the plastic retainer, and is fixed on the cylinder adjusting plate through bolts;
the pushing cylinder and the bead pressing cylinder are double-acting cylinders.
The thrust ball bearing assembly machine provided by the embodiment of the invention comprises a rack, a ball feeding mechanism, a pushing mechanism, a ball pressing assembly device, a ball storage box and a discharge hole, wherein the ball feeding mechanism, the pushing mechanism, the ball pressing assembly device, the ball storage box and the discharge hole are arranged on the rack, the ball is firstly stored in the ball storage mechanism, the ball is rolled into a ball groove at the front end of a supporting plate by self gravity, the supporting plate is pushed to a proper position (retained for a few seconds) by a cylinder, a plastic retainer is added into the retainer feeding hole by a feeder, the plastic retainer is pushed to the position right above the ball by a retainer pushing plate (wherein the plastic retainer is limited by a limiting plate at the left end), and finally the ball and the plastic retainer with basically consistent positions are driven by a pressing column to rotate and press in (the ball is aligned with a hole position of the plastic retainer), so that the manufacturing assembly work of the thrust ball bearing is realized. The thrust ball bearing assembly machine simplifies the conditions that the general bearing assembly machine is larger and the structure is complex, greatly reduces the labor intensity of workers, improves the production efficiency by several times and reduces the production cost of products.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A thrust ball bearing assembly machine, comprising: the device comprises a rack, a ball feeding mechanism, a plastic retainer feeding mechanism, a bead pressing cylinder, a bead storage box, a discharge hole and a bead pressing assembly device, wherein the ball feeding mechanism, the plastic retainer feeding mechanism, the bead pressing cylinder, the bead storage box and the discharge hole are arranged on the rack;
the ball feeding mechanism consists of an empty square ball storage box and a moving platform, and the power of the ball feeding mechanism drives the moving platform by a mini cylinder;
the plastic retainer feeding mechanism is characterized in that a feeding machine is used for arranging plastic retainers to a feeding port, and the plastic retainers are pushed to an assembling and pressing position through a push plate;
the baffle plate limits the plastic retainer; the plastic retainer pressing column is used for preventing the plastic retainer from overturning when moving; the power of the push plate is driven by a retainer pushing cylinder;
the ball pressing cylinder consists of a lower pressing pile, an inner spring and a guide post;
the side wall of the guide post is provided with a spiral groove which is used for driving the down-pressing pile to move up and down and rotate for positioning;
the inner spring is used for stabilizing the movement directions of the lower pressing pile and the guide post;
the lower end face of the lower pressing pile is provided with a semicircular groove; the pressing part of the lower pressing pile is made of elastic materials;
a counter bore is formed in the center of the front half part of the mobile platform;
a bearing tray in transition fit is arranged at the counter bore;
the bearing tray limits the up-down moving position through the thimble fixed on the moving plate; the bearing tray is always in contact with the moving plate through a pressure spring;
the ball pressing assembly device consists of a ball pressing cylinder and a guide part, wherein the ball pressing cylinder moves up and down and has a rotating function, and the ball pressing cylinder drives the plastic retainer to rotate and press in so as to align the balls with the hole sites of the plastic retainer.
2. The thrust ball bearing assembly machine of claim 1, further comprising: the guide post guide plate is provided with a U-shaped groove;
the U-shaped groove is used for guiding the up-and-down movement of the guide post.
3. The thrust ball bearing assembly machine of claim 1, wherein,
the mobile platform is provided with a round hole; the difference between the diameter of the round hole and the diameter of the ball is 0.5mm; and the upper end of the movable platform is subjected to chamfering treatment.
4. The thrust ball bearing assembly machine of claim 1, wherein said plastic cage feed mechanism comprises a feed rack;
the transition part of the guide rail and the through hole of the feeding frame is a rounding angle.
5. A thrust ball bearing assembly machine according to claim 3, further comprising: stirring the bead rod;
the ball storage box is internally provided with a motor, and the motor drives the ball stirring rod so that the balls fall into the round holes of the mobile platform.
6. The thrust ball bearing assembly machine of claim 1, further comprising: a pushing cylinder and a bead pressing cylinder;
wherein the pushing cylinder is used for pushing the moving plate and the plastic retainer;
the ball pressing cylinder is used for driving the guide post to move up and down so as to provide extrusion force for the balls and the plastic retainer, and is fixed on the cylinder adjusting plate through bolts;
the pushing cylinder and the bead pressing cylinder are double-acting cylinders.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169950.7A CN108006087B (en) | 2017-11-17 | 2017-11-17 | Thrust ball bearing assembly machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169950.7A CN108006087B (en) | 2017-11-17 | 2017-11-17 | Thrust ball bearing assembly machine |
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| CN108006087A CN108006087A (en) | 2018-05-08 |
| CN108006087B true CN108006087B (en) | 2023-10-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108518423B (en) * | 2018-06-20 | 2023-08-22 | 浙江晟禧精密机械科技有限公司 | Semi-automatic steel ball assembly machine |
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