CN214642280U - Device for grinding inner and outer circles of a bearing ring - Google Patents
Device for grinding inner and outer circles of a bearing ring Download PDFInfo
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- CN214642280U CN214642280U CN202120759096.5U CN202120759096U CN214642280U CN 214642280 U CN214642280 U CN 214642280U CN 202120759096 U CN202120759096 U CN 202120759096U CN 214642280 U CN214642280 U CN 214642280U
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Abstract
The utility model provides an equipment for circle and excircle in grinding bearing ring relates to machining equipment technical field. The equipment for grinding the inner circle and the outer circle of the bearing ring comprises a bottom plate, a top plate, a rotary table, a clamping mechanism, an inner circle grinding mechanism, a driving mechanism and an outer circle grinding mechanism. The clamping mechanism is arranged on the upper side of the rotary table to clamp and fix the bearing ring. The clamping mechanism comprises a supporting column, a U-shaped block and a pressing plate. The internal grinding mechanism comprises a central rod and an internal grinding head. The lower end of the center rod is provided with at least three fixing parts. A guide rod is fixed on the fixing part along the radial direction of the central rod, and a telescopic rod is connected to the guide rod in a sliding mode along the length direction of the guide rod. The cylindrical grinding mechanism comprises a screw rod, a switching rod and a cylindrical grinding head. The screw rod spiro union is in the U-shaped piece, and the one end and the excircle grinding head of keysets are fixed continuous, and the other end rotates with the screw rod and links to each other. The utility model discloses can realize the grinding to circle and excircle in the bearing ring, make its inner circumference roughness satisfy the assembly requirement.
Description
Technical Field
The utility model belongs to the technical field of machining equipment technique and specifically relates to an equipment that is used for interior circle of grinding bearing ring and excircle is related to.
Background
Before assembly, the inner circle and the outer circle of the bearing ring need to be ground, so that the surface roughness of the inner circle and the outer circle of the bearing ring meets the assembly requirement. Therefore, it is necessary to design an apparatus for grinding the inner and outer circles of a bearing ring.
Disclosure of Invention
In order to the above situation, the utility model provides an equipment for grinding circle and excircle in the bearing ring, it can carry out the grinding to the interior circle and the excircle of bearing ring, makes the roughness of its interior circle and excircle satisfy the assembly requirement.
In order to achieve the above object, the utility model provides a following technical scheme:
an apparatus for grinding inner and outer circles of a bearing ring may generally comprise: the grinding device comprises a bottom plate, a top plate, a rotary table, a clamping mechanism, an inner circle grinding mechanism, a driving mechanism and an outer circle grinding mechanism.
The top plate is fixed above the bottom plate through two connecting rods.
The carousel is located between bottom plate and the roof, and the downside of carousel is provided with the rotating electrical machines, and the output shaft of rotating electrical machines links to each other with the downside center of carousel.
And the clamping mechanism is arranged on the upper side of the turntable and used for clamping and fixing the bearing ring. The clamping mechanism comprises a supporting column, a U-shaped block and a pressing plate. The U-shaped block is fixed on the turntable through the supporting column. The clamp plate transversely sets up in the opening of U-shaped piece, and the U-shaped piece is interior vertically to be set firmly the slide rail, and one side and the slide rail of clamp plate slide to link to each other. The pressing plate is provided with a pressing rod for pressing the pressing plate downwards.
The inner circle grinding mechanism comprises a center rod and an inner circle grinding head. The upper end of the central rod is fixed on the top plate, and the lower end of the central rod is fixedly provided with at least three fixing parts along the circumferential direction of the central rod and at equal intervals. The fixed part is radially fixed with the guide bar along well core rod, and the spout has been seted up along its length direction to the guide bar, and sliding connection has the telescopic link in the spout, and interior round grinding head is fixed on the telescopic link.
And the driving mechanism is used for driving the telescopic rod to move along the radial direction of the central rod.
The cylindrical grinding mechanism comprises a screw rod, a switching rod and a cylindrical grinding head. The screw rod spiro union is in the U-shaped piece, and the one end and the excircle grinding head of keysets are fixed continuous, and the other end passes through the switching subassembly and rotates with the screw rod and link to each other.
The fixture fixed bearing ring, the carousel drives the bearing ring and rotates, and the round grinding head processes in the cooperation. Through the setting of well core rod, fixed part, guide bar, spout, telescopic link and actuating mechanism for the operator only needs to make the telescopic link stretch out through actuating mechanism, makes interior round grinding head butt on the bearing ring, rotates the bearing ring again, can realize the grinding to the interior circle of bearing ring, makes its inner circumference roughness satisfy the assembly requirement. When the outer circle of the bearing ring needs to be ground, the inner circle grinding head is pressed on the inner circle of the bearing ring by moving the telescopic rod, the pressing plate is moved upwards, then the screw rod is screwed, the outer circle grinding head is pushed to the bearing ring by the screw rod while rotating, the outer circle grinding head is abutted to the outer circle of the bearing ring, and then the outer circle grinding head rotates around the bearing ring by rotating the electric rotating turntable.
In some embodiments of the present invention, the above-mentioned switching assembly includes a first switching portion and a second switching portion, the first switching portion is fixed on the screw rod, the second switching portion is fixed on the switching rod, and a switching groove matched with the second switching portion is provided on the first switching portion.
In some embodiments of the present invention, there are two support columns, and the two support columns are symmetrically disposed on the turntable.
In some embodiments of the present invention, the pressing rod has an external thread, and the upper side of the U-shaped block is provided with a screw hole matching with the external thread. The pressing plate can be moved downwards by rotating the pressing rod, so that the bearing ring is fixed by the pressing plate.
In some embodiments of the present invention, the lower end of the pressing rod is rotatably connected to the pressing plate through a bearing. The pressing plate can be moved up or down by rotating the pressing rod, so that the bearing ring can be conveniently and quickly fixed.
In some embodiments of the present invention, a screwing portion is fixed on the top of the pressing rod to facilitate an operator to screw the pressing rod.
The utility model discloses an in some embodiments, the upside of above-mentioned telescopic link is provided with the driving gear, and actuating mechanism includes lifter plate, connecting plate, pinion rack, first gear, pivot, bearing frame, second gear. The lifting plate is inserted in the eccentric position of the top plate, and the connecting plate is positioned between the top plate and the fixing part and is fixed at the lower end of the lifting plate. The pinion rack is longitudinally fixed at the lower side of the connecting plate, the first gear is meshed with the pinion rack, the first gear is fixed on the rotating shaft, and the rotating shaft is installed on the fixing portion through the bearing seat. The rotating shaft is fixed with a second gear, and the transmission gear is matched with the second gear.
An operator only needs to move the lifting plate downwards to synchronously move each telescopic rod and the inner circle grinding head, so that the inner circle grinding head is quickly abutted to the inner circle of the bearing ring, and the efficiency of grinding the inner circle of the bearing ring is improved. When the bearing ring needs to be fixed through the inner circle grinding head, the lifting plate only needs to be moved downwards continuously, and the inner circle grinding head is tightly pressed on the bearing ring, so that the operation is simple and rapid.
In some embodiments of the present invention, the top of the lifting plate is fixedly provided with a limiting plate, and the lower side of the limiting plate is longitudinally fixed with a round bar. The upper side of the top plate is fixedly provided with an inserting cylinder, the round rod is inserted in the inserting cylinder, a return spring is arranged in the inserting cylinder, and two ends of the return spring are respectively fixed on the round rod and the top plate. One side of the inserting cylinder is screwed with a fastening bolt for fixing the round rod.
The arrangement of the limiting plate, the round rod, the inserting cylinder, the reset spring and the fastening bolt facilitates the operator to fix the position of the inner circle grinding head through fixing the position of the round rod.
The embodiment of the utility model provides an at least, have following advantage or beneficial effect:
1. through the setting of well core rod, fixed part, guide bar, spout, telescopic link and actuating mechanism for the operator only needs to make the telescopic link stretch out through actuating mechanism, makes interior round grinding head butt on the bearing ring, rotates the bearing ring again, can realize the grinding to the interior circle of bearing ring, makes its inner circumference roughness satisfy the assembly requirement. When the outer circle of the bearing ring needs to be ground, the inner circle grinding head is pressed on the inner circle of the bearing ring by moving the telescopic rod, the pressing plate is moved upwards, then the screw rod is screwed, the outer circle grinding head is pushed to the bearing ring by the screw rod while rotating, the outer circle grinding head is abutted to the outer circle of the bearing ring, and then the outer circle grinding head rotates around the bearing ring by rotating the electric rotating turntable.
2. An operator only needs to move the lifting plate downwards to synchronously move each telescopic rod and the inner circle grinding head, so that the inner circle grinding head is quickly abutted to the inner circle of the bearing ring, and the efficiency of grinding the inner circle of the bearing ring is improved. When the bearing ring needs to be fixed through the inner circle grinding head, the lifting plate only needs to be moved downwards continuously, and the inner circle grinding head is tightly pressed on the bearing ring, so that the operation is simple and rapid.
3. The arrangement of the limiting plate, the round rod, the inserting cylinder, the reset spring and the fastening bolt facilitates the operator to fix the position of the inner circle grinding head through fixing the position of the round rod.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an apparatus for grinding an inner circle and an outer circle of a bearing ring according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of position III of FIG. 2;
FIG. 4 is an enlarged view of a portion of the position IV in FIG. 2;
fig. 5 is a sectional view taken along the line B-B in fig. 3.
Icon: 11-bottom plate, 111-connecting rod, 12-top plate, 13-rotating disc, 131-rotating motor, 14-clamping mechanism, 141-supporting column, 142-U-shaped block, 143-pressing plate, 144-sliding rail, 145-pressing rod, 146-screwing part, 147-bearing, 15-internal grinding mechanism, 151-central rod, 152-internal grinding head, 153-fixing part, 154-guiding rod, 155-sliding groove, 156-telescopic rod, 157-transmission gear, 17-driving mechanism, 171-lifting plate, 172-connecting plate, 173-toothed plate, 174-first gear, 175-rotating shaft, 176-bearing seat, 177-second gear, 181-screw rod, 182-switching rod, 183-external grinding head, 184-a first switching part, 185-a second switching part, 186-a switching groove, 191-a limiting plate, 192-a round rod, 193-an insertion cylinder, 194-a return spring and 195-a fastening bolt.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "central," "longitudinal," "lateral," "length," "upper," "lower," "top," "bottom," "inner," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 5, the present embodiment provides an apparatus for grinding an inner circle and an outer circle of a bearing ring, which mainly includes: the grinding device comprises a bottom plate 11, a top plate 12, a rotary table 13, a clamping mechanism 14, an inner circle grinding mechanism 15, a driving mechanism 17 and an outer circle grinding mechanism.
The top plate 12 is fixed above the bottom plate 11 by two connecting rods 111.
And a rotary plate 13 located between the bottom plate 11 and the top plate 12, wherein a rotary motor 131 is provided at a lower side of the rotary plate 13, and an output shaft of the rotary motor 131 is connected to a lower center of the rotary plate 13.
And a clamping mechanism 14 provided on an upper side of the turntable 13 to clamp the stationary bearing ring. The clamping mechanism 14 includes a support column 141, a U-block 142, and a pressure plate 143. There are two support columns 141, and the two support columns 141 are symmetrically disposed on the turntable 13. U-shaped block 142 is secured to disk 13 by support posts 141. The pressing plate 143 is transversely disposed in the opening of the U-shaped block 142, a slide rail 144 is longitudinally and fixedly disposed in the U-shaped block 142, and one side of the pressing plate 143 is slidably connected with the slide rail 144. The pressing plate 143 is provided with a pressing rod 145 for pressing down the pressing plate 143.
The internal grinding mechanism 15 includes a center rod 151 and an internal grinding head 152. The upper end of the center rod 151 is fixed to the top plate 12, and the lower end thereof is fixedly provided with at least three fixing portions 153 at equal intervals along the circumference thereof. A guide rod 154 is fixed on the fixing portion 153 along the radial direction of the central rod 151, a sliding groove 155 is formed in the guide rod 154 along the length direction of the guide rod, an expansion rod 156 is connected in the sliding groove 155 in a sliding manner, and the inner circle grinding head 152 is fixed on the expansion rod 156.
And a driving mechanism 17 for driving the telescopic rod 156 to move along the radial direction of the central rod 151.
The cylindrical grinding mechanism comprises a screw 181, a switching rod 182 and a cylindrical grinding head 183. The screw 181 is screwed on the U-shaped block 142, one end of the adapter rod 182 is fixedly connected with the outer circle grinding head 183, and the other end is rotatably connected with the screw 181 through an adapter component.
The switching assembly comprises a first switching part 184 and a second switching part 185, the first switching part 184 is fixed on the screw 181, the second switching part 185 is fixed on the switching rod 182, and the first switching part 184 is provided with a switching groove 186 matched with the second switching part 185.
The pressing rod 145 is provided with an external thread, and the upper side of the U-shaped block 142 is provided with a screw hole matched with the external thread. The pressing plate 143 can be moved downwards by rotating the pressing rod 145, so that the pressing plate 143 fixes the bearing ring. The lower end of the press rod 145 is rotatably connected to the press plate 143 through a bearing 147. The pressing plate 143 can be moved up or down by rotating the pressing rod 145 to fix the bearing ring conveniently and quickly. The top of the pressing rod 145 is fixedly provided with a screwing part 146 to facilitate the operator to screw the pressing rod 145.
The upper side of the telescopic rod 156 is provided with a transmission gear 157, and the driving mechanism 17 comprises a lifting plate 171, a connecting plate 172, a toothed plate 173, a first gear 174, a rotating shaft 175, a bearing 147 seat and a second gear 177. The elevating plate 171 is inserted into the eccentric position of the top plate 12, and the connecting plate 172 is located between the top plate 12 and the fixing portion 153 and fixed to the lower end of the elevating plate 171. The toothed plate 173 is longitudinally fixed to the lower side of the connecting plate 172, the first gear 174 is engaged with the toothed plate 173, the first gear 174 is fixed to the rotating shaft 175, and the rotating shaft 175 is seated on the fixing portion 153 through the bearing 147. The second gear 177 is fixed on the rotating shaft 175, and the transmission gear 157 is matched with the second gear 177. An operator can move each telescopic rod 156 and the inner circle grinding head 152 synchronously only by moving the lifting plate 171 downwards, so that the inner circle grinding head 152 is quickly abutted to the inner circle of the bearing ring, and the efficiency of grinding the inner circle of the bearing ring is improved. When the bearing ring needs to be fixed through the inner circle grinding head 152, the lifting plate 171 only needs to be moved downwards continuously, and the inner circle grinding head 152 is tightly pressed on the bearing ring, so that the operation is simple and rapid.
A limiting plate 191 is fixedly arranged at the top of the lifting plate 171, and a round rod 192 is longitudinally fixed at the lower side of the limiting plate 191. An inserting cylinder 193 is fixedly arranged on the upper side of the top plate 12, the round rod 192 is inserted into the inserting cylinder 193, a return spring 194 is arranged in the inserting cylinder 193, and two ends of the return spring 194 are respectively fixed on the round rod 192 and the top plate 12. A fastening bolt 195 for fixing the round bar 192 is screwed to one side of the insert cylinder 193. The limiting plate 191, the round rod 192, the inserting cylinder 193, the return spring 194 and the fastening bolt 195 are arranged, so that an operator can conveniently fix the position of the inner circle grinding head 152 by fixing the position of the round rod 192.
The working principle of the device for grinding the inner circle and the outer circle of the bearing ring is as follows:
when the inner circle of the bearing ring needs to be ground, the edge of the bearing ring can be placed into the opening of the U-shaped block 142, the pressing plate 143 is moved downwards by screwing the pressing rod 145 to fix the bearing ring, the lifting plate 171 is moved downwards, the telescopic rods 156 and the inner circle grinding heads 152 can be moved synchronously, the inner circle grinding heads 152 are enabled to be abutted against the inner circle of the bearing ring fast, the bearing ring is rotated through the rotating motor 131, the inner circle of the bearing ring can be ground, and the roughness of the surface of the inner circle of the bearing ring meets the assembling requirement.
When the inner circle of the bearing ring needs to be ground, the lifting plate 171 can be further moved downwards to enable the inner circle grinding head 152 to be tightly pressed on the inner circle of the bearing ring, the fastening bolt 195 is screwed, the pressing plate 143 is moved upwards, then the screw 181 is screwed, the screw 181 pushes the outer circle grinding head 183 towards the bearing ring while rotating, the outer circle grinding head 183 is enabled to abut against the outer circle of the bearing ring, and then the outer circle grinding head 183 rotates around the bearing ring by rotating the electric rotating turntable 13.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An apparatus for grinding inner and outer circles of a bearing ring, comprising:
a base plate;
the top plate is fixed above the bottom plate through two connecting rods;
the rotating disc is positioned between the bottom plate and the top plate, a rotating motor is arranged on the lower side of the rotating disc, and an output shaft of the rotating motor is connected with the center of the lower side of the rotating disc;
the clamping mechanism is arranged on the upper side of the turntable and used for clamping and fixing the bearing ring; the clamping mechanism comprises a supporting column, a U-shaped block and a pressing plate; the U-shaped block is fixed on the turntable through the supporting column; the pressing plate is transversely arranged in the opening of the U-shaped block, a sliding rail is longitudinally and fixedly arranged in the U-shaped block, and one side of the pressing plate is connected with the sliding rail in a sliding manner; the pressing plate is provided with a pressing rod for pressing the pressing plate downwards;
the inner circle grinding mechanism comprises a central rod and an inner circle grinding head; the upper end of the central rod is fixed on the top plate, and the lower end of the central rod is fixedly provided with at least three fixing parts along the circumferential direction of the central rod at equal intervals; a guide rod is fixed on the fixing part along the radial direction of the central rod, a sliding groove is formed in the guide rod along the length direction of the guide rod, a telescopic rod is connected in the sliding groove in a sliding mode, and the inner circle grinding head is fixed on the telescopic rod;
the driving mechanism is used for driving the telescopic rod to move along the radial direction of the central rod; and
the cylindrical grinding mechanism comprises a screw rod, a switching rod and a cylindrical grinding head; the screw rod spiro union in the U-shaped piece, the one end of pin-over pole with the excircle grinding head is fixed continuous, the other end pass through the switching subassembly with the screw rod rotates continuously.
2. The apparatus for grinding inner and outer circles of a bearing ring according to claim 1, wherein the adapter assembly comprises a first adapter portion and a second adapter portion, the first adapter portion is fixed to the screw, the second adapter portion is fixed to the adapter rod, and an adapter groove matched with the second adapter portion is formed in the first adapter portion.
3. An apparatus for grinding inner and outer circles of a bearing ring according to claim 1, characterized in that there are two of the support columns, and the two support columns are symmetrically disposed on the turntable.
4. The apparatus for grinding inner and outer circles of a bearing ring according to claim 1, wherein the pressing rod has an external thread, and a screw hole matched with the external thread is formed at an upper side of the U-shaped block.
5. An apparatus for grinding inner and outer circles of bearing rings according to claim 4 wherein the lower end of the strut is rotatably connected to the platen by a bearing.
6. An apparatus for grinding inner and outer circles of a bearing ring according to claim 4, characterized in that a screwing portion is fixedly provided at a top portion of the pressing rod.
7. The apparatus for grinding the inner circle and the outer circle of a bearing ring according to any one of claims 1 to 6, wherein the upper side of the telescopic rod is provided with a transmission gear, and the driving mechanism comprises a lifting plate, a connecting plate, a toothed plate, a first gear, a rotating shaft, a bearing seat and a second gear; the lifting plate is inserted in the eccentric position of the top plate, and the connecting plate is positioned between the top plate and the fixing part and is fixed at the lower end of the lifting plate; the toothed plate is longitudinally fixed on the lower side of the connecting plate, the first gear is meshed with the toothed plate, the first gear is fixed on the rotating shaft, and the rotating shaft is installed on the fixing part through the bearing seat; and a second gear is fixed on the rotating shaft, and the transmission gear is matched with the second gear.
8. The apparatus for grinding the inner circle and the outer circle of the bearing ring according to claim 7, wherein a limiting plate is fixedly arranged at the top of the lifting plate, and a round rod is longitudinally fixed at the lower side of the limiting plate; an inserting cylinder is fixedly arranged on the upper side of the top plate, the round rod is inserted into the inserting cylinder, a return spring is arranged in the inserting cylinder, and two ends of the return spring are respectively fixed to the round rod and the top plate; and a fastening bolt for fixing the round rod is screwed on one side of the inserting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120759096.5U CN214642280U (en) | 2021-04-14 | 2021-04-14 | Device for grinding inner and outer circles of a bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120759096.5U CN214642280U (en) | 2021-04-14 | 2021-04-14 | Device for grinding inner and outer circles of a bearing ring |
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| Publication Number | Publication Date |
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| CN214642280U true CN214642280U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120759096.5U Active CN214642280U (en) | 2021-04-14 | 2021-04-14 | Device for grinding inner and outer circles of a bearing ring |
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| CN (1) | CN214642280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800156A (en) * | 2022-05-17 | 2022-07-29 | 扬州盛世模塑科技有限公司 | Super smart machine is used in automobile bearing processing |
-
2021
- 2021-04-14 CN CN202120759096.5U patent/CN214642280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114800156A (en) * | 2022-05-17 | 2022-07-29 | 扬州盛世模塑科技有限公司 | Super smart machine is used in automobile bearing processing |
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