CN111203787A - Machining equipment and machining method for outer channel of bearing inner ring - Google Patents

Machining equipment and machining method for outer channel of bearing inner ring Download PDF

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Publication number
CN111203787A
CN111203787A CN202010156133.3A CN202010156133A CN111203787A CN 111203787 A CN111203787 A CN 111203787A CN 202010156133 A CN202010156133 A CN 202010156133A CN 111203787 A CN111203787 A CN 111203787A
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CN
China
Prior art keywords
bearing inner
grinding
inner ring
bearing
outer channel
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Granted
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CN202010156133.3A
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Chinese (zh)
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CN111203787B (en
Inventor
顾新忠
周良良
曹国元
庞良
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Zhangjiagang AAA Precision Manufacturing Co ltd
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Zhangjiagang AAA Precision Manufacturing Co ltd
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Priority to CN202010156133.3A priority Critical patent/CN111203787B/en
Publication of CN111203787A publication Critical patent/CN111203787A/en
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Publication of CN111203787B publication Critical patent/CN111203787B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0092—Grinding attachments for lathes or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a processing device for an outer channel of a bearing inner ring, which relates to the technical field of bearing processing and comprises the following components: the device comprises a base, a feeding mechanism, a first telescopic structure, a tooth column, a gear, a driving device, a mounting column, a second telescopic structure and a lateral supporting mechanism. The lateral support mechanism has: the accommodating space, the abutting part, the pushing body and the return spring. The positioning part and the lateral supporting mechanism penetrate into the bearing inner ring, and are driven by the second telescopic structure to move in opposite directions, so that the positioning part is sleeved into the lateral supporting mechanism to form a whole (the stability of the support is enhanced), and meanwhile, the driving body enters the flat end surface under the guidance of the inclined surface, so that the abutting part vertically abuts against the wall surface of the inner hole of the bearing inner ring from the lateral direction, the rigid support is realized, the situation that the bearing inner ring is extruded and deformed when being pressed from the outer side of the bearing inner ring is avoided, and the situation that the abutting part is reset after lacking of driving force is also avoided.

Description

Machining equipment and machining method for outer channel of bearing inner ring
Technical Field
The invention relates to the technical field of bearing processing, in particular to processing equipment for an outer channel of a bearing inner ring.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision.
The bearing comprises a bearing inner ring and a bearing inner ring, wherein the grinding of an outer channel of the bearing inner ring is carried out on a numerical control automatic grinder of the bearing inner ring, the grinding of the outer channel is carried out after the inner ring is compressed by a plurality of rollers in the conventional grinding of the outer channel of the inner ring, on one hand, the outer surface of the roller is damaged when the roller compresses the inner ring, and even the bearing inner ring is extruded and deformed (the bearing inner ring is provided with an outer channel, so that the two side wall surfaces of the outer channel are weak), on the other hand, the adjustment difficulty of the bearing inner ring is high when the roller compresses, so that the rotation precision is not high, and the precision of a processing position of the bearing inner ring in the grinding process cannot be well guaranteed, therefore, the processing.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when a roller presses an inner ring in the processing of an outer channel of the bearing inner ring, the bearing inner ring is extruded and deformed, and the position of the bearing inner ring is difficult to adjust.
The invention also aims to provide a processing method for the outer channel of the bearing inner ring.
In order to achieve one of the purposes, the invention adopts the following technical scheme: a processing device for an outer channel of a bearing inner ring comprises: a base; the feeding mechanism is arranged at the rear end of the base; the first telescopic structure is arranged at the front end of the base and is opposite to the feeding mechanism in the front-back direction; the front end of the toothed column is rotatably connected with the first telescopic structure; a gear engaging the tooth post; the driving device is arranged on the base and is connected with the gear; the front end of erection column is connected the rear end of tooth post, the rear end of erection column has: a positioning portion having thereon: the flat end surfaces are parallel to each other to form stepped end surfaces with different heights; the flat end surfaces are connected through the inclined surfaces; a second telescoping structure mounted on the mounting post, the second telescoping structure having: a telescopic end; lateral support mechanism, lateral support mechanism suit is in on the erection column, lateral support mechanism accessible external force slides around on the erection column, flexible end is connected lateral support mechanism, lateral support mechanism has: the size of the accommodating space is matched with that of the positioning part; the abutting parts are distributed on the upper outer surface of the lateral supporting mechanism; one end of the pushing body is connected with the abutting part, and the other end of the pushing body extends into the accommodating space; the return spring is connected with the pushing body.
In the technical scheme, the bearing inner ring is firstly placed into the feeding mechanism, so that the bearing inner ring falls into the bottom of the feeding mechanism; secondly, starting the first telescopic structure, pushing the positioning part and the lateral supporting mechanism on the mounting column to enter the bottom of the feeding mechanism, so that the positioning part and the lateral supporting mechanism penetrate into an inner hole of the bearing inner ring; then, starting a second telescopic structure to enable the telescopic end to push the lateral supporting mechanism to slide towards the positioning part, then enabling the accommodating space in the lateral supporting mechanism to wrap the positioning part, enabling a pushing body in the lateral supporting mechanism to be in contact with an inclined surface on the positioning part, and enabling the inclined surface of the positioning part to drive the pushing body to enter a flat end surface in the moving process, so that the pushing body pushes the abutting part to move towards the inner hole wall surface of the bearing inner ring to abut against the inner hole wall surface of the bearing inner ring; and starting the first telescopic structure again to enable the lateral supporting mechanism to take the bearing inner ring out of the feeding mechanism, and then polishing the outer channel of the bearing inner ring from the side surface of the bearing inner ring through external processing equipment.
Further, in the embodiment of the invention, the size of the lateral support mechanism is smaller than the inner bore of the bearing inner ring.
Further, in the embodiment of the invention, an opening opposite to the lateral supporting mechanism is arranged at the bottom of the feeding mechanism, and the size of the opening is larger than that of the bearing inner ring.
Further, in an embodiment of the present invention, the feeding mechanism has: a feed channel; a trigger device mounted in the feed mechanism, the trigger device comprising: a connecting portion; the rear end of the bearing part is vertically connected with the lower end of the connecting part, and the front end of the bearing part extends into the bottom of the feeding channel and is used for bearing a bearing inner ring; a main part, the main part with the upper end of connecting portion links to each other, be equipped with in the main part: a slideway; the driven parts are at least two, and the driven parts are mutually intersected and connected with the slide ways; the movable rotating shaft is fixedly arranged in the trigger device, and the intersecting position of the movable rotating shaft and the driven part is movably connected; the rear end of the transition rod is vertically connected with the passive part, and the front end of the transition rod is provided with: blocking parts located at both sides of the feed channel; an elastic part fixed in the trigger device, the elastic part being connected to the main body.
When feeding, the bearing inner ring contacts the bearing part on the trigger device when falling into the bottom of the feeding mechanism, the bearing part is driven to descend, the main body is pulled to move downwards, the driven part is driven to rotate around the movable rotating shaft, the blocking part moves to get involved in the upper end of the bearing inner ring, and the next bearing inner ring and the bearing inner ring on the bearing part are blocked and clamped.
It should be noted that, when the lateral support mechanism cooperates with the positioning portion to remove the bearing inner ring on the bearing portion, the removed bearing inner ring always abuts against the bearing portion before being completely removed, so that, during the removal process, the lateral support mechanism and the positioning portion will support the bearing inner ring to move outwards, thereby preventing the outer channel of the removed bearing inner ring from being misaligned with the outer channel of the bearing inner ring thereon, and enabling the upper bearing inner ring to be clamped in the outer channel of the removed bearing inner ring.
Further, in the embodiment of the present invention, the distance between the blocking portions is larger than the diameter of the bearing inner ring.
Furthermore, in the embodiment of the present invention, the feeding passage is provided with a first through hole for allowing the blocking portion to rotate around the movable rotating shaft.
Further, in the embodiment of the present invention, a second through hole enabling the weight bearing part to move up and down is provided in the feed passage.
Further, in the embodiment of the invention, the processing equipment for the outer channel of the bearing inner ring further comprises a grinding mechanism or a grinding mechanism, and the grinding mechanism or the grinding mechanism is arranged at the side end of the lateral support mechanism.
Further, in an embodiment of the present invention, a third telescopic structure is disposed at a side end of the grinding mechanism, the third telescopic structure is connected to the grinding mechanism, and the grinding mechanism includes: the grinding columns are provided with a plurality of grinding columns, the grinding columns are different in size, the grinding columns are longitudinally arranged in the grinding mechanism, and elastic pieces are arranged on the grinding columns; the distribution pivot, the vertical setting of distribution pivot is in grind worker in the mechanism, distributor is located grind the post side, the distribution pivot is from last down to be equipped with in proper order: the distribution rotating shaft is provided with a distribution rotating shaft, the distribution rotating shaft is provided with a distribution pin, and the distribution rotating shaft is provided with a distribution pin which is used for driving the grinding column to extend out of the grinding mechanism.
And rotating a distribution rotating shaft on the grinding mechanism to drive the crescent bodies with different heights to push the grinding columns corresponding to the heights of the crescent bodies, and selecting the grinding columns with proper sizes to extend out of the grinding mechanism, so that the grinding columns can process the inner ring of the bearing from the side under the driving of the third telescopic structure.
Further, in an embodiment of the present invention, the polishing apparatus has: a connecting shaft; the grinding discs are provided with a plurality of grinding discs with different thicknesses, and the connecting shaft is connected with the non-center part of each grinding disc; the sliding blocks are arranged between the grinding disc and the lateral supporting mechanism, and the sliding blocks are at least two and distributed on two sides of the grinding disc.
And the grinding disc on the grinding mechanism is rotated, so that the grinding disc rotates around a non-central point, the side end of the grinding disc is protruded after the grinding disc rotates, and the grinding disc with a proper size can be rotated to process the bearing inner ring from the side surface.
The invention has the beneficial effects that:
the positioning part and the lateral supporting mechanism penetrate into the bearing inner ring, and are driven by the second telescopic structure to move in opposite directions, so that the positioning part is sleeved into the lateral supporting mechanism to form a whole (the stability of the support is enhanced), and meanwhile, the driving body enters the flat end surface under the guidance of the inclined surface, so that the abutting part vertically abuts against the wall surface of the inner hole of the bearing inner ring from the lateral direction, the rigid support is realized, the situation that the bearing inner ring is extruded and deformed when being pressed from the outer side of the bearing inner ring is avoided, and the situation that the abutting part is reset after lacking of driving force is also avoided. In addition, the gear column is matched with the gear, so that the front-back distance of the bearing inner ring is controlled through the first telescopic structure on the basis that the bearing inner ring keeps rotating, and the position of the bearing inner ring is adjusted.
In order to achieve the second purpose, the invention adopts the following technical scheme: a machining method for an outer channel of a bearing inner ring comprises the following steps:
feeding, namely putting the bearing inner ring into a feeding mechanism to enable the bearing inner ring to fall into the bottom of the feeding mechanism;
butting, starting the first telescopic structure, pushing the positioning part and the lateral supporting mechanism on the mounting column to enter the bottom of the feeding mechanism, and enabling the positioning part and the lateral supporting mechanism to penetrate into an inner hole of the bearing inner ring;
the second telescopic structure is started, so that the telescopic end pushes the lateral support mechanism to slide towards the positioning part, then the accommodating space in the lateral support mechanism wraps the positioning part, a pushing body in the lateral support mechanism is contacted with an inclined surface on the positioning part, and in the moving process, the inclined surface of the positioning part drives the pushing body to enter a flat end surface, so that the pushing body pushes the abutting part to move towards the inner hole wall surface of the bearing inner ring to abut against the inner hole wall surface of the bearing inner ring;
and machining, namely starting the first telescopic structure again to enable the lateral supporting mechanism to take the bearing inner ring out of the feeding mechanism, and then polishing the outer channel of the bearing inner ring from the side surface of the bearing inner ring through external machining equipment.
Further, in the embodiment of the present invention, in the feeding step, when the bearing inner race falls into the bottom of the feeding mechanism, the bearing inner race contacts the bearing portion on the triggering device, and the bearing portion is driven to descend, so as to pull the main body to move downward, and drive the driven portion to rotate around the movable rotating shaft, so that the blocking portion moves to be inserted into the upper end of the bearing inner race, and the next bearing inner race and the bearing inner race on the bearing portion are blocked and clamped.
Further, in the embodiment of the invention, the external processing equipment adopts the grinder mechanism, the distribution rotating shaft on the grinder mechanism is rotated to drive the crescent bodies with different heights to push the grinding columns corresponding to the heights of the crescent bodies, and the grinding columns with proper sizes are selected to extend out of the grinder mechanism, so that the grinding columns are driven by the third telescopic structure to process the bearing inner ring from the side surface.
Further, in the embodiment of the invention, the external processing equipment adopts a grinding mechanism, and a grinding disc on the grinding mechanism is rotated to rotate around a non-central point, so that the side end of the grinding disc is protruded after the grinding disc rotates, and the grinding disc with a proper size can be rotated to process the bearing inner ring from the side surface.
Drawings
Fig. 1 is a schematic top view of a machining apparatus for an outer channel of a bearing inner race according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a lateral support mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating the movement effect of the lateral support mechanism according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a feeding mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of the movement effect of the feeding mechanism after being taken out of the bottom bearing according to the embodiment of the invention.
Fig. 6 is a schematic perspective view of a triggering device according to an embodiment of the invention.
Fig. 7 is a schematic perspective view of a distribution spindle according to an embodiment of the present invention.
FIG. 8 is a schematic top view of another apparatus for machining an outer race of a bearing inner race according to an embodiment of the present invention.
Fig. 9 is a schematic top view of a grinding mechanism according to an embodiment of the invention.
Fig. 10 is a perspective view of a grinding disc according to an embodiment of the invention.
Fig. 11 is a schematic diagram of the motion effect of the grinding disc according to the embodiment of the invention.
In the attached drawings
1. Base 2, feed mechanism 21, feedstock channel
211. A first port 212 and a second port
20. Trigger device 200, connecting part 201, bearing part
202. Main body 2021, slide 203, passive part
204. Transition rod 2041, blocking part 205 and movable rotating shaft
206. Elastic part
3. First extending structure 4, tooth post 5, gear
6. Drive device 7, mounting post 71, and positioning portion
72. Plain end face 73, inclined face 8, second extending structure
81. Telescopic end 9, lateral supporting mechanism 91 and accommodating space
92. Abutting part 93, pushing body 931 and matching surface
94. Reset spring
10. Grinder mechanism 101, grinding column 102 and distribution rotating shaft
1021. Crescent body 11, third telescopic structure
12. Grinding mechanism 121, connecting shaft 122 and sliding block
13. Grinding disc
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well known machining methods and structures for bearing inner race outer channels have not been described in detail to avoid unnecessarily obscuring the embodiments. In addition, all embodiments may be used in combination with each other.
The first embodiment is as follows:
a machining apparatus for an outer race of a bearing inner race, as shown in fig. 1 or 8, comprising: the device comprises a base 1, a feeding mechanism 2, a first telescopic structure 3, a tooth column 4, a gear 5, a driving device 6, a mounting column 7, a second telescopic structure 8 and a lateral supporting mechanism 9.
The feed mechanism 2 is mounted at the rear end of the base 1. First extending structure 3 is installed at the front end of base 1, and first extending structure 3 is relative around with feed mechanism 2. The front end of the tooth column 4 is rotatably connected with the first telescopic structure 3. The gear 5 engages the toothed column 4. The driving device 6 is arranged on the base 1, and the driving device 6 is connected with the gear 5.
As shown in fig. 1-3, the front end of the mounting post 7 is connected with the rear end of the tooth post 4, the rear end of the mounting post 7 is provided with a positioning part 71, the positioning part 71 is provided with a flat end surface 72 and an inclined surface 73, and the flat end surfaces 72 are parallel to each other to form a step-shaped end surface with different heights. The flat end surfaces 72 are connected by an inclined surface 73.
The second telescopic structure 8 is mounted on the mounting post 7, the second telescopic structure 8 having a telescopic end 81. Lateral support mechanism 9 suit is on erection column 7, and lateral support mechanism 9 accessible external force slides around on erection column 7, and lateral support mechanism 9 is connected to flexible end 81, and lateral support mechanism 9 has: the accommodating space 91, the abutting part 92, the pushing body 93 and the return spring 94.
The size of the accommodating space 91 is adapted to the size of the positioning portion 71. The abutting portions 92 are distributed on the upper outer surface of the lateral support mechanism 9. One end of the pushing body 93 is connected to the abutting portion 92, and the other end of the pushing body 93 extends into the accommodating space 91. A return spring 94 is connected to the pusher body 93.
The implementation steps are as follows: and (3) putting the bearing inner ring into the feeding mechanism 2, so that the bearing inner ring falls into the bottom of the feeding mechanism 2. And starting the first telescopic structure 3, pushing the positioning part 71 and the lateral supporting mechanism 9 on the mounting column 7 to enter the bottom of the feeding mechanism 2, so that the positioning part 71 and the lateral supporting mechanism 9 penetrate into an inner hole of the bearing inner ring. The second telescopic structure 8 is started, so that the telescopic end 81 pushes the lateral supporting mechanism 9 to slide towards the direction of the positioning portion 71, then the accommodating space 91 in the lateral supporting mechanism 9 wraps the positioning portion 71, the pushing body 93 in the lateral supporting mechanism 9 is in contact with the inclined surface 73 on the positioning portion 71, and in the moving process, the inclined surface 73 of the positioning portion 71 drives the pushing body 93 to enter the flat end surface 72, so that the pushing body 93 pushes the abutting portion 92 to move towards the inner hole wall surface of the bearing inner ring so as to abut against the inner hole wall surface of the bearing inner ring. And starting the first telescopic structure 3 again to enable the lateral supporting mechanism 9 to take the bearing inner ring out of the feeding mechanism 2, and then polishing the outer channel of the bearing inner ring from the side surface of the bearing inner ring through external processing equipment.
According to the invention, the positioning part 71 and the lateral supporting mechanism 9 are penetrated into the bearing inner ring, and are pushed by the second telescopic structure 8 to move towards each other, so that the positioning part 71 is sleeved into the lateral supporting mechanism 9 to form a whole (the stability of support is enhanced), and meanwhile, the pushing body 93 enters the flat end surface 72 under the guidance of the inclined surface 73, so that the abutting part 92 is abutted against the inner hole wall surface of the bearing inner ring vertically from the lateral direction, and rigid support is realized, so that the phenomenon that the bearing inner ring is extruded and deformed when being pressed from the outer side of the bearing inner ring is avoided, and the condition that the abutting part 92 is reset after lacking of pushing force is also avoided. In addition, the gear column 4 is matched with the gear 5, so that the front-back distance of the bearing inner ring is controlled through the first telescopic structure 3 on the basis that the bearing inner ring keeps rotating, and the position of the bearing inner ring is adjusted.
Preferably, the pushing body 93 has an inclined mating surface 931 formed thereon to mate with the inclined surface 73.
Preferably, the lateral support means 9 is smaller in size than the inner bore of the bearing inner ring.
Preferably, the bottom of the feeding mechanism 2 is provided with an opening opposite to the lateral supporting mechanism 9, and the size of the opening is larger than that of the bearing inner ring.
Preferably, as shown in fig. 4 to 6, the feed mechanism 2 has: a feeding channel 21 and a trigger device 20, wherein the trigger device 20 is installed in the feeding mechanism 2, and the trigger device 20 comprises: connecting portion 200, bearing part 201, main part 202, passive portion 203, activity pivot 205, transition pole 204, elastic component 206.
The rear end of the bearing part 201 is vertically connected with the lower end of the connecting part 200, and the front end of the bearing part 201 extends into the bottom of the feeding channel 21 to bear the inner ring of the bearing. The main body 202 is connected with the upper end of the connecting part 200, and the main body 202 is provided with a slide 2021. The passive parts 203 are at least two, and the passive parts 203 are mutually intersected and connected with the slide 2021. The movable rotating shaft 205 is fixedly installed in the triggering device 20, and the intersecting position of the movable rotating shaft 205 and the passive part 203 is movably connected. The rear end of the transition rod 204 is vertically connected to the passive part 203, and the front end of the transition rod 204 has a blocking part 2041, and the blocking parts 2041 are located at two sides of the feeding channel 21. The elastic portion 206 is fixed in the trigger device 20, and the elastic portion 206 is connected to the main body 202.
During feeding, when the bearing inner ring falls into the bottom of the feeding mechanism 2, the bearing inner ring contacts the bearing part 201 on the trigger device 20, and the bearing part 201 is driven to descend, so that the main body 202 is pulled to move downwards, the driven part 203 is driven to rotate around the movable rotating shaft 205, and the blocking part 2041 moves to be inserted into the upper end of the bearing inner ring, so that the next bearing inner ring and the bearing inner ring on the bearing part 201 are blocked and clamped.
It should be noted that, when the lateral support mechanism 9 cooperates with the positioning portion 71 to remove the bearing inner ring on the bearing portion 201, the removed bearing inner ring always abuts against the bearing portion 201 before being completely removed, so that, during the removal process, the lateral support mechanism 9 and the positioning portion 71 will support the bearing inner ring to move outwards, thereby preventing the outer channel of the removed bearing inner ring from being misaligned with the outer channel of the bearing inner ring thereon, so that the upper bearing inner ring is clamped in the outer channel of the removed bearing inner ring.
More preferably, the distance between the stops 2041 is greater than the diameter of the bearing inner race.
More preferably, the feeding passage 21 is provided with a first through hole 211 for rotatably moving the blocking portion 2041 around the movable rotating shaft 205.
More preferably, the feed passage 21 is provided therein with a second through port 212 enabling the weight bearing part 201 to move up and down.
Preferably, as shown in fig. 1 or 8, the processing equipment for the bearing inner ring outer channel further comprises a grinder mechanism 10 or a grinding mechanism 12, and the grinder mechanism 10 or the grinding mechanism 12 is arranged at the side end of the lateral support mechanism 9.
More preferably, as shown in fig. 1 and 7, the grinding mechanism 10 has a third telescopic structure 11 at a side end thereof, the third telescopic structure 11 is connected to the grinding mechanism 10, and the grinding mechanism 10 has: grinding column 101, distribution rotating shaft 102.
The grinding columns 101 are provided in a plurality and have different sizes, the grinding columns 101 are longitudinally arranged in the grinder mechanism 10, and elastic members are arranged on the grinding columns 101. The distributing rotating shaft 102 is vertically arranged in the grinding mechanism 10 in the longitudinal direction, the distributing device is positioned at the side end of the grinding column 101, the distributing rotating shaft 102 is sequentially provided with new crescent bodies 1021 from top to bottom, the new crescent bodies 1021 are uniformly distributed on the distributing rotating shaft 102, and only one new crescent body 1021 is arranged at the same height of the distributing rotating shaft 102 and used for pushing the grinding column 101 to extend out of the grinding mechanism 10.
The distributing rotating shaft 102 on the grinding mechanism 10 is rotated to drive the crescent 1021 with different heights to push the grinding cylinder 101 corresponding to the height of the crescent, and the grinding cylinder 101 with a proper size is selected to extend out of the grinding mechanism 10, so that the grinding cylinder 101 is driven by the third telescopic structure 11 to process the bearing inner ring from the side.
More preferably, as shown in fig. 8 to 11, the grinding means has: connecting shaft 121, grinding disc 13 and sliding block 122. The grinding disc 13 has a plurality of grinding discs with different thicknesses, and the connecting shaft 121 is connected with the non-center of the grinding disc 13. The sliding block 122 is arranged between the grinding disc 13 and the lateral support mechanism 9, and the sliding block 122 has at least two blocks, which are distributed on two sides of the grinding disc 13 and used for clamping the grinding disc 13.
The grinding disc 13 on the grinding mechanism 12 is rotated, so that the grinding disc 13 rotates around a non-central point, the side end of the grinding disc 13 protrudes after the grinding disc 13 rotates, and the grinding disc 13 with a proper size can be rotated to process the bearing inner ring from the side.
A machining method for an outer channel of a bearing inner ring comprises the following steps:
feeding, the bearing inner ring is put into the feeding mechanism 2, so that the bearing inner ring falls into the bottom of the feeding mechanism 2.
And (3) butting, starting the first telescopic structure 3, pushing the positioning part 71 and the lateral supporting mechanism 9 on the mounting column 7 to enter the bottom of the feeding mechanism 2, and enabling the positioning part 71 and the lateral supporting mechanism 9 to penetrate into an inner hole of the bearing inner ring.
And laterally supporting, starting the second telescopic structure 8, so that the telescopic end 81 pushes the lateral supporting mechanism 9 to slide towards the positioning part 71, then the accommodating space 91 in the lateral supporting mechanism 9 wraps the positioning part 71, the pushing body 93 in the lateral supporting mechanism 9 is contacted with the inclined surface 73 on the positioning part 71, and in the moving process, the inclined surface 73 of the positioning part 71 drives the pushing body 93 to enter the flat end surface 72, so that the pushing body 93 pushes the abutting part 92 to move towards the inner hole wall surface of the bearing inner ring so as to abut against the inner hole wall surface of the bearing inner ring.
And (4) processing, namely starting the first telescopic structure 3 again, taking the bearing inner ring out of the feeding mechanism 2 by the lateral supporting mechanism 9, and then polishing the outer channel of the bearing inner ring from the side surface of the bearing inner ring by external processing equipment.
Preferably, in the feeding step, when the bearing inner race falls into the bottom of the feeding mechanism 2, the bearing inner race contacts the bearing portion 201 on the triggering device 20, and drives the bearing portion 201 to descend, so as to pull the main body 202 to move downwards, and drive the driven portion 203 to rotate around the movable rotating shaft 205, so that the blocking portion 2041 moves to intervene at the upper end of the bearing inner race, and blocks and clamps the next bearing inner race and the bearing inner race on the bearing portion 201.
Preferably, the external processing equipment adopts the grinder mechanism 10, the distribution rotating shaft 102 on the grinder mechanism 10 is rotated to cause the crescent 1021 with different heights to push the grinding column 101 corresponding to the height of the crescent, and the grinding column 101 with a proper size is selected to extend out of the grinder mechanism 10, so that the grinding column 101 is driven by the third telescopic structure 11 to process the bearing inner ring from the side.
Preferably, the grinding mechanism 12 is adopted by external processing equipment, and the grinding disc 13 on the grinding mechanism 12 is rotated, so that the grinding disc 13 rotates around a non-central point, the side end of the grinding disc 13 protrudes after the grinding disc is rotated, and the grinding disc 13 with proper size can be rotated to process the bearing inner ring from the side.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.

Claims (10)

1. A processing device for an outer channel of a bearing inner ring comprises:
a base;
the feeding mechanism is arranged at the rear end of the base;
the first telescopic structure is arranged at the front end of the base and is opposite to the feeding mechanism in the front-back direction;
the front end of the toothed column is rotatably connected with the first telescopic structure;
a gear engaging the tooth post;
the driving device is arranged on the base and is connected with the gear;
the front end of erection column is connected the rear end of tooth post, the rear end of erection column has:
a positioning portion having thereon:
the flat end surfaces are parallel to each other to form stepped end surfaces with different heights;
the flat end surfaces are connected through the inclined surfaces; a second telescoping structure mounted on the mounting post, the second telescoping structure having:
a telescopic end; lateral support mechanism, lateral support mechanism suit is in on the erection column, flexible end is connected lateral support mechanism, lateral support mechanism has:
the size of the accommodating space is matched with that of the positioning part;
the abutting parts are distributed on the upper outer surface of the lateral supporting mechanism;
one end of the pushing body is connected with the abutting part, and the other end of the pushing body extends into the accommodating space;
the return spring is connected with the pushing body.
2. The apparatus of claim 1, wherein the lateral support means is smaller than the inner diameter of the bearing inner race.
3. The processing equipment for the outer channel of the bearing inner ring as claimed in claim 1, wherein the bottom of the feeding mechanism is provided with an opening opposite to the lateral supporting mechanism, and the size of the opening is larger than that of the bearing inner ring.
4. The machining apparatus for the bearing inner race outer channel according to claim 1, wherein the feed mechanism has:
a feed channel;
a trigger device mounted in the feed mechanism, the trigger device comprising:
a connecting portion;
the rear end of the bearing part is vertically connected with the lower end of the connecting part, and the front end of the bearing part extends into the bottom of the feeding channel and is used for bearing a bearing inner ring;
a main part, the main part with the upper end of connecting portion links to each other, be equipped with in the main part:
a slideway;
the driven parts are at least two, and the driven parts are mutually intersected and connected with the slide ways;
the movable rotating shaft is fixedly arranged in the trigger device, and the intersecting position of the movable rotating shaft and the driven part is movably connected;
the rear end of the transition rod is vertically connected with the passive part, and the front end of the transition rod is provided with:
blocking parts located at both sides of the feed channel;
an elastic part fixed in the trigger device, the elastic part being connected to the main body.
5. The machining apparatus for the bearing inner race outer channel according to claim 4, wherein a distance between the stoppers is larger than a diameter of the bearing inner race.
6. The machining apparatus for the outer channel of the bearing inner race according to claim 4, wherein the feed passage has a first through-hole provided therein for allowing the blocking portion to be rotatably moved about the movable rotating shaft.
7. The machining apparatus for the inner race outer channel of the bearing ring according to claim 4, wherein a second through opening enabling the weight bearing portion to move up and down is provided in the feed passage.
8. The machining apparatus for the bearing inner race outer channel according to claim 1, wherein the machining apparatus for the bearing inner race outer channel further comprises a grinder mechanism or a grinding mechanism, and the grinder mechanism or the grinding mechanism is provided at a side end of the lateral support mechanism.
9. The processing apparatus for the outer channel of the bearing inner ring according to claim 8, wherein the grinding mechanism side end has a third telescopic structure, the third telescopic structure is connected with the grinding mechanism, and the grinding mechanism has:
the grinding columns are provided with a plurality of grinding columns, the grinding columns are different in size, the grinding columns are longitudinally arranged in the grinding mechanism, and elastic pieces are arranged on the grinding columns;
the distribution pivot, the vertical setting of distribution pivot is in grind worker in the mechanism, distributor is located grind the post side, the distribution pivot is from last down to be equipped with in proper order:
the distribution rotating shaft is provided with a distribution rotating shaft, the distribution rotating shaft is provided with a distribution pin, and the distribution rotating shaft is provided with a distribution pin which is used for driving the grinding column to extend out of the grinding mechanism.
10. The machining apparatus for the bearing inner race outer channel according to claim 8, wherein the grinding device has:
a connecting shaft;
the grinding discs are provided with a plurality of grinding discs with different thicknesses, and the connecting shaft is connected with the non-center part of each grinding disc;
the sliding blocks are arranged between the grinding disc and the lateral supporting mechanism, and the sliding blocks are at least two and distributed on two sides of the grinding disc.
CN202010156133.3A 2020-03-09 2020-03-09 Processing equipment and processing method for outer channel of bearing inner ring Active CN111203787B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102288A (en) * 2022-01-07 2022-03-01 奇精机械股份有限公司 Batch grinding device for automobile bearings

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Publication number Priority date Publication date Assignee Title
US6471568B1 (en) * 2000-08-14 2002-10-29 Chun-Hsiang Wang Eccentric-swinging device for a sanding machine
CN104625899A (en) * 2013-11-12 2015-05-20 宁夏巨能机器人***有限公司 Bearing automatic production line
CN106395314A (en) * 2016-09-19 2017-02-15 宁波高新区敦和科技有限公司 Automatic feeding device for bearing inner ring
CN110788703A (en) * 2019-11-22 2020-02-14 张家港Aaa精密制造股份有限公司 Bearing processing mechanism and bearing processing method
CN212601011U (en) * 2020-03-09 2021-02-26 张家港Aaa精密制造股份有限公司 Machining equipment for outer channel of bearing inner ring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471568B1 (en) * 2000-08-14 2002-10-29 Chun-Hsiang Wang Eccentric-swinging device for a sanding machine
CN104625899A (en) * 2013-11-12 2015-05-20 宁夏巨能机器人***有限公司 Bearing automatic production line
CN106395314A (en) * 2016-09-19 2017-02-15 宁波高新区敦和科技有限公司 Automatic feeding device for bearing inner ring
CN110788703A (en) * 2019-11-22 2020-02-14 张家港Aaa精密制造股份有限公司 Bearing processing mechanism and bearing processing method
CN212601011U (en) * 2020-03-09 2021-02-26 张家港Aaa精密制造股份有限公司 Machining equipment for outer channel of bearing inner ring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102288A (en) * 2022-01-07 2022-03-01 奇精机械股份有限公司 Batch grinding device for automobile bearings

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