CN212653072U - Clamping and positioning device for milling of thrust bearing - Google Patents
Clamping and positioning device for milling of thrust bearing Download PDFInfo
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- CN212653072U CN212653072U CN202020553546.0U CN202020553546U CN212653072U CN 212653072 U CN212653072 U CN 212653072U CN 202020553546 U CN202020553546 U CN 202020553546U CN 212653072 U CN212653072 U CN 212653072U
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- bottom plate
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- thrust bearing
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Abstract
The utility model discloses a clamping and positioning device for milling thrust bearing, which comprises a bottom plate, wherein two sides of the bottom plate are respectively provided with a fastening screw, each fastening screw is provided with a fastening nut and a fastening plate, the fastening nuts are in threaded connection with the corresponding fastening screws, the fastening plates are movably sleeved on the corresponding fastening screws, when each fastening nut is screwed downwards, the bottom plate can be fixed on a milling machine base plate by the two fastening plates, the top of the bottom plate is provided with a positioning table, the tops of the bottom plates at two sides of the positioning table are respectively and vertically provided with a pressing cylinder with an upward piston rod, the piston rod of each pressing cylinder is respectively provided with a pressing plate, the bottom plate at one side of each pressing cylinder is respectively and vertically provided with an anti-rotation limiting rod, each anti-rotation limiting rod respectively moves upwards to pass through the pressing plate of the corresponding pressing cylinder, when the piston rods of the two pressing cylinders simultaneously, can drive the two pressure plates to fix the thrust bearing on the bottom plate. The utility model has the advantages of can improve work efficiency.
Description
Technical Field
The utility model relates to a footstep bearing milling process equipment technical field, concretely relates to footstep bearing is clamping positioner for milling process.
Background
Thrust bearings are mechanical parts in the form of annular sheets that hold and reduce the coefficient of friction of the load in an internal combustion engine. In order to improve the lubricating effect between the thrust bearing and the adjacent matching parts, a plurality of oil grooves for lubricating oil to flow into need to be milled on the milling machine on the matching end surface of the thrust bearing. Before the milling machine mills the thrust bearing, the thrust bearing needs to be clamped and fixed on a substrate of the milling machine through a clamping and positioning device. The structure of the clamping and positioning device used at present comprises: two fastening screw rods are vertically installed at the top of a base plate of the milling machine at intervals, and each fastening screw rod is provided with a fastening nut and a pressing plate from top to bottom. When the thrust bearing is clamped, the thrust bearing is placed on a milling machine substrate between two fastening screws, and then each fastening nut is manually screwed downwards, so that two pressure plates respectively press two ends of the thrust bearing downwards, and the thrust bearing is fixed on the milling machine substrate; after the thrust bearing finishes the milling operation, manually loosening each fastening nut upwards, and then taking the thrust bearing which finishes the milling operation away from a base plate of the milling machine. The thrust bearing clamping and positioning device has the following defects: the clamping and the taking out of each thrust bearing need to repeatedly screw down and unscrew the fastening nut, so that the labor intensity of workers is high, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve work efficiency and reduce workman intensity of labour's thin wall slide bearing cylindrical grinder's abrasive machining efficiency to can improve the matching of product precision and excircle size uniformity in thin wall slide bearing cylindrical grinder's material feeding unit.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamping and positioning device for milling thrust bearings comprises a bottom plate arranged on a base plate of a milling machine, wherein two sides of the bottom plate are respectively provided with a fastening screw rod vertically arranged on the base plate of the milling machine, each fastening screw rod is provided with a fastening nut and a fastening plate from top to bottom, the fastening nuts are in threaded connection with the corresponding fastening screw rods, the fastening plates are movably sleeved on the corresponding fastening screw rods, when the fastening nuts are screwed downwards, the two fastening plates can respectively press two ends of the bottom plate downwards so as to fix the bottom plate on the base plate of the milling machine, a positioning table for placing the thrust bearings is arranged at the top of the bottom plate, the tops of the bottom plates at two sides of the positioning table are respectively and vertically provided with a pressing cylinder with an upward piston rod, a pressing plate is respectively arranged on the piston rod of each pressing cylinder, and an anti-rotation limiting rod is respectively and vertically arranged on the bottom plate at, each anti-rotation limiting rod respectively penetrates through the pressing plates corresponding to the compression cylinders in an upward moving mode, and when the piston rods of the two compression cylinders retract downwards simultaneously, the two pressing plates can be driven to respectively downwards compress the two ends of the thrust bearing placed on the positioning table, so that the thrust bearing is fixed on the positioning table of the bottom plate.
Further, aforementioned thrust bearing milling process is with clamping positioner, wherein: the bottom plate under every clamp plate is provided with a positioning baffle vertically respectively, the up end of positioning baffle flushes with the upper surface of the thrust bearing placed on the positioning table mutually, when two compressing cylinders drive two clamp plates to move down to the corresponding positioning baffle through the piston rod, the two clamp plates just in time compress tightly the both ends of the thrust bearing placed on the positioning table respectively downwards, thereby fixing the thrust bearing on the bottom plate.
Further, aforementioned thrust bearing milling process is with clamping positioner, wherein: the upper surface of the positioning table is concavely provided with a positioning groove for positioning and placing the thrust bearing.
Further, aforementioned thrust bearing milling process is with clamping positioner, wherein: the concrete connection structure between clamp plate and the piston rod that corresponds to compress tightly the cylinder includes: the diameter of the upper section of the piston rod is smaller than that of the lower section of the piston rod, so that a convex step is formed at the diameter-changing position of the piston rod, the upper section of the piston rod is an external thread section, a through hole for the upper section of the piston rod to pass through is formed in the pressing plate, after the pressing plate is sleeved on the upper section of the piston rod through the through hole and is placed on the convex step of the piston rod, a locking nut located above the pressing plate is further connected to the upper section of the piston rod through threads, and when the locking nut is screwed downwards, the locking nut can lock and fix the pressing plate on the.
Further, aforementioned thrust bearing milling process is with clamping positioner, wherein: be provided with a cushion respectively on the milling machine base plate of every fastening screw one side, every fastening screw is located the bottom plate and corresponds between the cushion, the cushion tip that is close to the bottom plate on every cushion is the inclined plane that leans out gradually from bottom to top, its both ends can support respectively downwards on the upper surface of bottom plate correspondence end and the inclined plane that corresponds the cushion under the dead weight effect of the mounting plate on every fastening screw, when screwing each fastening nut downwards, the both ends of every mounting plate can compress tightly respectively downwards on the upper surface of bottom plate correspondence end and the inclined plane that corresponds the cushion, thereby make two mounting plates compress tightly the both ends of bottom plate downwards respectively, fix the bottom plate on the base plate of milling machine.
Further, aforementioned thrust bearing milling process is with clamping positioner, wherein: the through hole for the corresponding fastening screw to pass through on the fastening plate is a kidney-shaped hole, and the inclined plane of each cushion block is a dentate inclined plane.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: after a worker fixes the bottom plate on the base plate of the milling machine through one-time fastening operation, the thrust bearing can be automatically compressed and loosened through the matching of the compression cylinder on the bottom plate and the pressure plate, the labor intensity of the worker is low, and the working efficiency is high.
Drawings
Fig. 1 is the utility model discloses a thrust bearing milling process clamping positioner's schematic structure diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in figure 1, the clamping and positioning device for milling thrust bearing comprises a bottom plate 2 arranged on a base plate 1 of a milling machine, wherein two sides of the bottom plate 2 are respectively provided with a fastening screw 3 vertically arranged on the base plate 1 of the milling machine, each fastening screw 3 is provided with a fastening nut 4 and a fastening plate 5 from top to bottom, the fastening nut 4 is in threaded connection with the corresponding fastening screw 3, the fastening plate 5 is movably sleeved on the corresponding fastening screw 3, when each fastening nut 4 is screwed downwards, the two fastening plates 5 can respectively press two ends of the bottom plate 2 downwards, so that the bottom plate 2 is fixed on the base plate 1 of the milling machine, the top of the bottom plate 2 is provided with a positioning table 7 for placing the thrust bearing 6, the top of the bottom plate 2 at two sides of the positioning table 7 is respectively and vertically provided with a pressing cylinder 8 with an upward piston rod 81, the piston rod 81 of each pressing cylinder 8 is respectively provided with a pressing plate 9, an anti-rotation limiting rod 10 is vertically arranged on the bottom plate 2 on one side of each pressing cylinder 8, each anti-rotation limiting rod 10 respectively penetrates through the pressing plates 9 of the corresponding pressing cylinders 8 upwards in a movable mode, when the piston rods 81 of the two pressing cylinders 8 retract downwards at the same time, the two pressing plates 9 can be driven to respectively downwards press the two ends of the thrust bearing 6 placed on the positioning table 7, and therefore the thrust bearing 6 is fixed on the positioning table 7 of the bottom plate 2;
in the embodiment, a positioning baffle plate 11 is vertically arranged on the bottom plate 2 right below each pressing plate 9, the upper end surface of the positioning baffle plate 11 is flush with the upper surface of the thrust bearing 6 placed on the positioning table 7, when two pressing cylinders 8 drive the two pressing plates 9 to move downwards to abut against the corresponding positioning baffle plates 11 through piston rods 81, the two pressing plates 9 just press the two ends of the thrust bearing 6 placed on the positioning table 7 downwards respectively, so that the thrust bearing 6 is fixed on the bottom plate 2, the use stability of the equipment can be improved, the situation that the pressing cylinders press the thrust bearing downwards excessively is avoided, the thrust bearing is protected, and the product quality is improved; in the embodiment, the upper surface of the positioning table 7 is concavely provided with a positioning groove 71 for positioning and placing the thrust bearing 6, so that the thrust bearing can be quickly and accurately placed on the positioning table, and the working efficiency is improved;
in the present embodiment, the specific connection structure between the pressing plate 9 and the piston rod 81 of the corresponding pressing cylinder 8 includes: the diameter of the upper section of the piston rod 81 is smaller than that of the lower section thereof, so that a convex step is formed at the reducing position of the piston rod 81, the upper section of the piston rod 81 is an external thread section, a through hole for the upper section of the piston rod 81 to pass through is arranged on the pressure plate 9, after the pressure plate 9 is sleeved on the upper section of the piston rod 81 through the through hole and is placed on the convex step of the piston rod 81, the upper section of the piston rod 81 is also in threaded connection with a locking nut 12 positioned above the pressure plate 9, when the locking nut 12 is screwed downwards, the locking nut 12 can lock and fix the pressure plate 9 on the piston rod 81, the connection structure is simple, and the installation and the;
in this embodiment, a spacer 13 is respectively disposed on the milling machine substrate 1 on one side of each fastening screw 4, each fastening screw 4 is located between the bottom plate 2 and the corresponding spacer 13, the end portion of each spacer 13 close to the bottom plate 2 is an inclined surface 131 which is gradually inclined outward from bottom to top, both ends of the fastening plate 5 on each fastening screw 3 respectively prop downward against the upper surface of the corresponding end of the bottom plate 2 and the inclined surface 131 of the corresponding spacer 13 under the action of self-weight, when each fastening nut 4 is screwed downward, both ends of each fastening plate 5 respectively press downward against the upper surface of the corresponding end of the bottom plate 2 and the inclined surface 131 of the corresponding spacer 13, so that the two fastening plates 5 respectively press downward against both ends of the bottom plate 2 to fix the bottom plate 2 on the milling machine substrate 1, thereby not only fixing the bottom plate on the milling machine substrate more firmly and stably and improving the use stability, the cushion blocks can be adapted to the bottom plates with various heights, so that the cushion blocks are prevented from being frequently replaced due to different heights of the bottom plates, and the working efficiency is improved; in this embodiment, the through hole 14 of the fastening plate 5 for the corresponding fastening screw to pass through is a kidney-shaped hole, and the inclined surface 131 of each cushion block 13 is a toothed inclined surface;
when the bottom plate fixing device is used, the bottom plate 2 is placed between the two fastening screws 3 on the base plate 1, two ends of each fastening plate 5 on each fastening screw 3 are respectively and downwards abutted to the upper surface of the corresponding end of the bottom plate 2 and the inclined surface 131 of the corresponding cushion block 13 under the action of self weight, and then each fastening nut 4 is simultaneously and downwards screwed, so that two ends of each fastening plate 5 are respectively and downwards pressed on the upper surface of the corresponding end of the bottom plate 2 and the inclined surface 131 of the corresponding cushion block 13, and thus the two fastening plates 5 are respectively and downwards pressed on two ends of the bottom plate 2, and the bottom plate 2 is fixed on the base plate 1 of a milling machine; then, the piston rods 81 of the two pressing cylinders 8 extend upwards to drive the two pressing plates 9 to synchronously move upwards to initial positions convenient for the thrust bearings 6 to be placed in the positioning grooves 71 of the positioning table 7, then the thrust bearings 6 to be milled are placed in the positioning grooves 71 of the positioning table 7, then the piston rods 81 of the two pressing cylinders 8 retract downwards to drive the two pressing plates 9 to synchronously move downwards, when the two pressing cylinders 8 drive the two pressing plates 9 to synchronously move downwards to abut against the corresponding positioning baffle plates 11 through the piston rods 81, the two pressing plates 9 just press the two ends of the thrust bearings 6 placed in the positioning grooves 71 of the positioning table 7 downwards respectively, so that the thrust bearings 6 are fixed on the positioning table 7, and further the thrust bearings 6 are fixed on the bottom plate 2, so that the thrust shaft 6 is fixed on the substrate 1 of the milling machine; then, the milling machine can be used for milling an oil groove of the thrust bearing 6, after the thrust bearing 6 is milled, the piston rods 81 of the two pressing cylinders 8 extend upwards to drive the two pressing plates 9 to move up to the initial position again synchronously, then the milled thrust bearing 6 in the positioning groove 71 on the positioning table 7 is taken out manually, then a new thrust bearing 6 to be milled is placed in the positioning groove 71 of the positioning table 7, then the piston rods 81 of the two pressing cylinders 8 retract downwards to drive the two pressing plates 9 to respectively press the two ends of the thrust bearing 6 placed in the positioning groove 71 of the positioning table 7 downwards, and therefore the thrust bearing 6 is fixed on the substrate 1 of the milling machine.
The utility model has the advantages that: after a worker fixes the bottom plate on the base plate of the milling machine through one-time fastening operation, the thrust bearing can be automatically compressed and loosened through the matching of the compression cylinder on the bottom plate and the pressure plate, the labor intensity of the worker is low, and the working efficiency is high.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
Claims (6)
1. The utility model provides a footstep bearing milling process is with clamping positioner which characterized in that: the anti-rotation device comprises a bottom plate arranged on a base plate of a milling machine, wherein two sides of the bottom plate are respectively provided with a fastening screw rod vertically arranged on the base plate of the milling machine, each fastening screw rod is respectively provided with a fastening nut and a fastening plate from top to bottom, the fastening nuts are in threaded connection with the corresponding fastening screw rods, the fastening plates are movably sleeved on the corresponding fastening screw rods, when the fastening nuts are screwed downwards, the two fastening plates can respectively press two ends of the bottom plate downwards, so that the bottom plate is fixed on the base plate of the milling machine, the top of the bottom plate is provided with a positioning table for placing a thrust bearing, the tops of the bottom plates at two sides of the positioning table are respectively and vertically provided with a pressing cylinder with an upward piston rod, the piston rod of each pressing cylinder is respectively provided with a pressing plate, the bottom plate at one side of each pressing cylinder is respectively and vertically provided with an anti-rotation limiting rod, each anti, when the piston rods of the two compressing cylinders retract downwards simultaneously, the two pressing plates can be driven to respectively compress the two ends of the thrust bearing placed on the positioning table downwards, and therefore the thrust bearing is fixed on the positioning table of the bottom plate.
2. The clamping and positioning device for milling the thrust bearing according to claim 1, wherein: the bottom plate under every clamp plate is provided with a positioning baffle vertically respectively, the up end of positioning baffle flushes with the upper surface of the thrust bearing placed on the positioning table mutually, when two compressing cylinders drive two clamp plates to move down to the corresponding positioning baffle through the piston rod, the two clamp plates just in time compress tightly the both ends of the thrust bearing placed on the positioning table respectively downwards, thereby fixing the thrust bearing on the bottom plate.
3. The clamping and positioning device for milling the thrust bearing according to claim 1, wherein: the upper surface of the positioning table is concavely provided with a positioning groove for positioning and placing the thrust bearing.
4. The clamping and positioning device for milling the thrust bearing as set forth in claim 1, 2 or 3, wherein: the concrete connection structure between clamp plate and the piston rod that corresponds to compress tightly the cylinder includes: the diameter of the upper section of the piston rod is smaller than that of the lower section of the piston rod, so that a convex step is formed at the diameter-changing position of the piston rod, the upper section of the piston rod is an external thread section, a through hole for the upper section of the piston rod to pass through is formed in the pressing plate, after the pressing plate is sleeved on the upper section of the piston rod through the through hole and is placed on the convex step of the piston rod, a locking nut located above the pressing plate is further connected to the upper section of the piston rod through threads, and when the locking nut is screwed downwards, the locking nut can lock and fix the pressing plate on the.
5. The clamping and positioning device for milling the thrust bearing as set forth in claim 1, 2 or 3, wherein: be provided with a cushion respectively on the milling machine base plate of every fastening screw one side, every fastening screw is located the bottom plate and corresponds between the cushion, the cushion tip that is close to the bottom plate on every cushion is the inclined plane that leans out gradually from bottom to top, its both ends can support respectively downwards on the upper surface of bottom plate correspondence end and the inclined plane that corresponds the cushion under the dead weight effect of the mounting plate on every fastening screw, when screwing each fastening nut downwards, the both ends of every mounting plate can compress tightly respectively downwards on the upper surface of bottom plate correspondence end and the inclined plane that corresponds the cushion, thereby make two mounting plates compress tightly the both ends of bottom plate downwards respectively, fix the bottom plate on the base plate of milling machine.
6. The clamping and positioning device for milling the thrust bearing according to claim 5, wherein: the through hole for the corresponding fastening screw to pass through on the fastening plate is a kidney-shaped hole, and the inclined plane of each cushion block is a dentate inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553546.0U CN212653072U (en) | 2020-04-15 | 2020-04-15 | Clamping and positioning device for milling of thrust bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553546.0U CN212653072U (en) | 2020-04-15 | 2020-04-15 | Clamping and positioning device for milling of thrust bearing |
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| CN212653072U true CN212653072U (en) | 2021-03-05 |
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| CN202020553546.0U Active CN212653072U (en) | 2020-04-15 | 2020-04-15 | Clamping and positioning device for milling of thrust bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510499A (en) * | 2021-07-27 | 2021-10-19 | 湖南崇德科技股份有限公司 | Clamping tool for machining oil ring groove of bearing body |
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2020
- 2020-04-15 CN CN202020553546.0U patent/CN212653072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510499A (en) * | 2021-07-27 | 2021-10-19 | 湖南崇德科技股份有限公司 | Clamping tool for machining oil ring groove of bearing body |
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