CN117260482A - Synchronous dislocation polishing grinding equipment of bent axle - Google Patents
Synchronous dislocation polishing grinding equipment of bent axle Download PDFInfo
- Publication number
- CN117260482A CN117260482A CN202311550801.0A CN202311550801A CN117260482A CN 117260482 A CN117260482 A CN 117260482A CN 202311550801 A CN202311550801 A CN 202311550801A CN 117260482 A CN117260482 A CN 117260482A
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- rail wheel
- polishing
- crankshaft
- machine tool
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- 238000005498 polishing Methods 0.000 title claims abstract description 74
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000010030 laminating Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention belongs to the field of crankshaft polishing, and particularly relates to synchronous dislocation polishing grinding equipment for crankshafts, which comprises a machine tool, a self-adaptive synchronous dislocation laminating mechanism and a tensioning transmission mechanism, wherein the tensioning transmission mechanism is arranged on two sides of the machine tool, the self-adaptive synchronous dislocation laminating mechanism is horizontally arranged on the side wall of the machine tool in a penetrating way, two crankshafts are clamped simultaneously in the working process of the machine tool, the crankshafts are symmetrically fixed on two sides of the self-adaptive synchronous dislocation laminating mechanism, the self-adaptive synchronous dislocation laminating mechanism polishes and polishes two crankshafts simultaneously, and the tensioning transmission mechanism mainly provides power. According to the invention, through the arrangement of the self-adaptive synchronous dislocation laminating mechanism, the synchronous following polishing effect on all connecting rod journals is realized, an additional servo control system is not required to be configured, the efficiency is improved, and the cost is reduced.
Description
Technical Field
The invention belongs to the field of crankshaft polishing, and particularly relates to synchronous dislocation polishing and grinding equipment for a crankshaft.
Background
The crankshaft is an important transmission component in the engine and mainly consists of a front end shaft, a connecting rod journal, a main journal, a crank, a balance weight and a rear end shaft. The connecting rod journal and the main journal play a main role in connection, and the surface roughness of the connecting rod journal and the main journal closely influence the service life of a product.
Because the connecting rod journal and the main journal are not concentric, an included angle exists between the connecting rod journals at different positions, and the connecting rod journals cannot be polished at one time by adopting a conventional grinding machine. The conventional polishing method is mostly that single connecting rod journals are polished one by one, a positioning device or a manually tightening polishing belt is needed to be utilized to rotationally polish the single connecting rod journals one by one, and the polishing method is extremely low in efficiency; in order to improve polishing efficiency, an eccentric following thought is adopted in the industry, and an automatic device is utilized to enable a polishing wheel and a connecting rod journal to synchronously and eccentrically move, so that the polishing wheel moves along with the connecting rod journal, and polishing is realized. However, the eccentric following polishing thought still has limitations, and if only one polishing wheel is used, each connecting rod journal is required to be polished independently, so that the efficiency is low; if a corresponding grinding wheel is arranged for each connecting rod journal, a separate grinding program is required to be arranged for each group of grinding wheels, a separate servo control system is configured, and the more the crankshaft specification is, the more difficult the program management is, and the higher the cost is.
The current eccentric following polishing mode cannot achieve efficiency and cost.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the synchronous dislocation polishing grinding equipment for the crankshafts, which realizes the synchronous follow-up grinding effect on all connecting rod journals through the arrangement of the self-adaptive synchronous dislocation laminating mechanism, does not need to be provided with an additional servo control system, and not only improves the efficiency, but also reduces the cost.
The technical scheme adopted by the invention is as follows: the invention provides synchronous dislocation polishing grinding equipment for crankshafts, which comprises a machine tool, a self-adaptive synchronous dislocation laminating mechanism and a tensioning transmission mechanism, wherein the tensioning transmission mechanism is arranged on two sides of the machine tool, the self-adaptive synchronous dislocation laminating mechanism horizontally penetrates through the side wall of the machine tool, two crankshafts are clamped simultaneously in the working process of the machine tool, the crankshafts are symmetrically fixed on two sides of the self-adaptive synchronous dislocation laminating mechanism, the self-adaptive synchronous dislocation laminating mechanism polishes and polishes the two crankshafts simultaneously, and the tensioning transmission mechanism mainly provides power.
Further, the self-adaptive synchronous dislocation laminating mechanism comprises a radius-adjustable rotating unit and a limiting rotating shaft, wherein the limiting rotating shaft horizontally penetrates through the side wall of the machine tool, a plurality of groups of the radius-adjustable rotating units are arranged and rotated on the limiting rotating shaft, the distance between the radius-adjustable rotating units can be slidably adjusted and fixed, and the distance between the adjacent radius-adjustable rotating units is equal to the distance between the adjacent connecting rod journals.
In order to be convenient for adapting to crank radiuses of different crankshafts, the radius-adjustable rotating unit can be adapted to various crankshafts, and comprises a polishing ring, a centering sliding block and a staggered angle transition block, wherein a plurality of groups of polishing rings are arranged on a limiting rotating shaft, in order to reduce the weight of the polishing rings, a supporting framework is arranged in the polishing ring, the centering sliding block is arranged on the supporting framework, and the staggered angle transition block is connected and arranged on the limiting rotating shaft in a key manner; the centering slide is characterized in that a centering slide is arranged on one side supporting rib of the supporting framework, positioning holes are formed in two sides of the centering slide, the positioning holes can lock the positions of the centering slide in the centering slide, so that each grinding ring can be driven with a limiting rotating shaft when being attached to connecting rod journals at different positions and angles, a tooth pin is arranged on each stagger angle transition block, the center of the centering slide is provided with a tooth hole, the tooth pin can be meshed with or separated from the tooth hole through the insertion and extraction of the stagger angle transition blocks, the limiting rotating shaft penetrates through the centers of the centering slide and the stagger angle transition blocks, the stagger angle transition blocks are connected with the tooth hole and the limiting rotating shaft through keys, the limiting rotating shaft can be driven with the centering slide in different angle directions through the stagger angle transition blocks, and the limiting rotating shaft can be attached to the connecting rod journals at different positions conveniently.
Further, the tensioning transmission mechanism comprises a power motor, a double-rail wheel assembly, a top lifting plate, double-acting telescopic cylinders and a lower lifting plate, wherein the power motor is symmetrically arranged on two sides of the machine tool, the double-rail wheel assembly is arranged at the output end of the power motor, the top lifting plate is symmetrically arranged on the upper parts of the side walls on two sides of the machine tool in a sliding mode, the limit is arranged in the top lifting plate along with rotation of a rotating shaft, the double-acting telescopic cylinders are symmetrically arranged in the middle parts of the side walls on two sides of the machine tool, the lower lifting plate is symmetrically arranged on the lower parts of the side walls on two sides of the machine tool in a sliding mode, the upper extension rods of the double-acting telescopic cylinders are arranged on the top lifting plate, and the upper extension rods of the double-acting telescopic cylinders extend upwards by a distance equal to the contraction distance of the lower extension rods under the action of the double-rail wheel assembly; the double-rail wheel assembly comprises a bottom edge double-rail wheel, a top end double-rail wheel, a middle double-rail wheel, a tensioning sliding block and a polishing double-rail wheel, wherein the bottom edge double-rail wheel is symmetrically arranged at the bottom of two sides of a machine tool, the bottom edge double-rail wheel is connected with the output end of a power motor, the top end double-rail wheel is symmetrically arranged at the position of two sides of the machine tool and the clamping center of a crankshaft in groups, the top end double-rail wheel is connected with the clamping center of the crankshaft, the crankshaft can be driven to rotate when the top end double-rail wheel rotates, the middle double-rail wheel is symmetrically arranged at the position of two sides of the machine tool below the top end double-rail wheel in groups, the tensioning sliding block is symmetrically arranged in the side walls of two sides of the machine tool in groups, one end of the tensioning double-rail wheel, which is close to the crankshaft, is arranged on the tensioning sliding block, the end of the tensioning double-rail wheel far away from the crankshaft is arranged on the side wall of the lower lifting plate, the polishing double-rail wheel is arranged on the limiting follow-up rotating shaft in a penetrating way, the limiting follow-up rotating shaft is driven to rotate when the polishing double-rail wheel rotates, all rotating wheels of the double-rail wheel assembly adopt the same specification, a rotating belt is arranged on a guide rail on one side of the bottom edge double-rail wheel close to the crankshaft around the top end double-rail wheel, the grinding belt is arranged on the guide rail on one side of the bottom side double-rail wheel far away from the crankshaft, which surrounds the middle double-rail wheel, the tensioning double-rail wheel and the grinding double-rail wheel, and the rotating angular speed of the crankshaft is the same as the rotating angular speed of the radius-adjustable rotating unit through the functions of the double-rail wheel assembly, the rotating belt and the grinding belt, so that the grinding ring can always follow and attach to the circumferential surface of the connecting rod journal to rotate; when the top lifting plate moves up and down, the lower lifting plate performs the same displacement under the action of the double-acting telescopic cylinder and drives the tensioning double-rail wheel to generate the same displacement, and the polishing belt can always keep a tensioning state under the action of the tensioning double-rail wheel.
The beneficial effects obtained by the invention by adopting the structure are as follows: the self-adaptive synchronous dislocation laminating mechanism not only can polish two crankshafts simultaneously, but also can polish all connecting rod journals of the crankshafts simultaneously, and the connecting rod journals do not need to be polished individually one by one, so that the polishing efficiency is greatly improved; the centering slide block on the radius-adjustable rotating unit can move back and forth to change the radius of rotation between the polishing ring and the limiting rotating shaft, so that the distance between crankshafts with different specifications and connecting rod journals is adapted, the effect that the polishing ring is adapted to multiple crankshafts is realized, and the die cost is reduced; the tensioning transmission mechanism can ensure that the crankshaft and the polishing ring always keep the same angular velocity to rotate, so that the polishing ring always follows and is attached to the connecting rod journal.
Drawings
FIG. 1 is a schematic diagram of the working state of a synchronous dislocation polishing and grinding device for crankshafts;
FIG. 2 is a diagram of the positional relationship of the adaptive synchronous misalignment lamination mechanism and the tensioning transmission mechanism;
FIG. 3 is a cross-sectional view of a schematic representation of the position of attachment of a grinding ring to a crankshaft;
FIG. 4 is a schematic view of a tensioning transmission mechanism;
FIG. 5 is a front view of the tension transmission mechanism;
FIG. 6 is a schematic diagram of a radius adjustable swivel unit;
FIG. 7 is a schematic representation of the relative positions of the centering slider and the misalignment transition block.
The self-adaptive synchronous dislocation laminating mechanism comprises a machine tool, a self-adaptive synchronous dislocation laminating mechanism, a tensioning transmission mechanism, a radius-adjustable rotary unit, a limiting follow-up rotary shaft, a power motor, a bottom edge double-rail wheel, a top end double-rail wheel, a middle double-rail wheel, a 10, a tensioning double-rail wheel, a 11, a tensioning sliding block, a 12, a polishing double-rail wheel, a 13, a top lifting plate, a 14, a double-acting telescopic cylinder, a 15, a lower lifting plate, a 16, a rotary belt, a 17, a polishing belt, a 18, a polishing ring, a 19, a supporting framework, a 20, a centering slide, a 21, a positioning hole, a 22, a centering sliding block, a 23, a stagger angle transition block, a 24, a tooth hole and a 25 tooth pin.
In fig. 1 and 3, a represents the center of a main journal of a crankshaft, b represents the contour of a connecting rod journal on the crankshaft, c is a center straight line connecting main journals of adjacent crankshafts, d is a center vertical line of c, f represents the center of a grinding ring, and e represents the three-dimensional simulation motion trail of the center point f of the grinding ring.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1, the synchronous dislocation polishing grinding equipment for the crankshafts provided by the invention comprises a machine tool 1, a self-adaptive synchronous dislocation laminating mechanism 2 and a tensioning transmission mechanism 3, wherein the tensioning transmission mechanism 3 is arranged on two sides of the machine tool 1, the self-adaptive synchronous dislocation laminating mechanism 2 horizontally penetrates through the side wall of the machine tool 1, two crankshafts are clamped simultaneously in the working process of the machine tool 1, the crankshafts are symmetrically fixed on two sides of the self-adaptive synchronous dislocation laminating mechanism 2, the self-adaptive synchronous dislocation laminating mechanism 2 polishes and polishes the two crankshafts simultaneously, and the tensioning transmission mechanism 3 mainly provides power.
As shown in fig. 1-2, the self-adaptive synchronous dislocation laminating mechanism 2 comprises a radius-adjustable rotating unit 4 and a limiting rotating shaft 5, wherein the limiting rotating shaft 5 horizontally penetrates through the side wall of the machine tool 1, multiple groups of the radius-adjustable rotating units 4 are arranged and rotated on the limiting rotating shaft 5, the distance between the radius-adjustable rotating units 4 can be slidably adjusted and fixed, and the distance between adjacent radius-adjustable rotating units 4 is equal to the distance between adjacent connecting rod journals.
In order to adapt to crank radii of different crankshafts, as shown in fig. 2 and fig. 6, the radius-adjustable rotating unit 4 can be adapted to multiple crankshafts, the radius-adjustable rotating unit 4 comprises a polishing ring 18, a centering sliding block 22 and a stagger angle transition block 23, multiple groups of polishing rings 18 are arranged on a limiting follow-up shaft 5, a supporting framework 19 is arranged in the polishing ring 18 for reducing the weight of the polishing ring 18, the centering sliding block 22 is arranged on the supporting framework 19, and the stagger angle transition block 23 is connected and arranged on the limiting follow-up shaft 5 in a key way; the centering slide way 20 is arranged on one side supporting rib of the supporting framework 19, positioning holes 21 are formed in two sides of the centering slide way 20, the centering slide block 22 is slidably arranged in the centering slide way 20, the positioning holes 21 can lock the positions of the centering slide block 22 in the centering slide way 20, in order to enable each grinding ring 18 to be in fit with connecting rod journals at different positions and angles, the grinding rings can also be in transmission with the limiting follow-up shaft 5, a tooth pin 25 is arranged on the stagger angle transition block 23, a tooth hole 24 is formed in the center of the centering slide block 22, the tooth pin 25 can be meshed with or separated from the tooth hole 24 through inserting and pulling the stagger angle transition block 23, the limiting follow-up shaft 5 penetrates through the centers of the centering slide block 22 and the stagger angle transition block 23, the stagger angle transition block 23 is connected with the limiting follow-up shaft 5 through keys, the centering slide block 22 can be in transmission with the tooth hole 24 and the stagger angle transition block 23 through the stagger angle transition block 23, and the limiting follow-up shaft 5 can be in centering on different angles with the slide block 22, and the connecting rod journals are convenient to enable the grinding rings 18 at different positions to be in fit with the connecting rod journals.
As shown in fig. 3 and 6, when two crankshafts are clamped on a machine tool 1 in the same direction, a grinding ring 18 is placed at a position corresponding to a connecting rod journal, the grinding ring 18 is tangent to the contour b of the connecting rod journal on the crankshafts at two sides, the crankshafts at two sides synchronously and circularly rotate, the grinding ring 18 can do corresponding circular motion along with the contour b of the connecting rod journal, a motion track of a circle center f of the grinding ring 18 is a circle e through three-dimensional simulation, the center points a of main journals of the two crankshafts are connected to obtain a straight line c, the circle center of the e is always positioned on a perpendicular bisector d of the c, the circle center of the e is the rotation center of the grinding ring 18, and when the distance between the main journals of the crankshafts and the connecting rod journal is changed, the height of the circle center of the e is changed, but the circle center of the e is still positioned on the d.
As shown in fig. 2, 4 and 5, the tensioning transmission mechanism 3 comprises a power motor 6, double-rail wheel assemblies, a top lifting plate 13, double-acting telescopic cylinders 14 and a lower lifting plate 15, wherein the power motor 6 is symmetrically arranged on two sides of the machine tool 1, the double-rail wheel assemblies are arranged at the output ends of the power motor 6, the top lifting plate 13 is symmetrically arranged at the upper parts of the side walls of the two sides of the machine tool 1 in a sliding manner, the limit is rotationally arranged in the top lifting plate 13 along with a rotating shaft 5, the double-acting telescopic cylinders 14 are symmetrically arranged at the middle parts of the side walls of the two sides of the machine tool 1, the lower lifting plate 15 is symmetrically arranged at the lower parts of the side walls of the two sides of the machine tool 1 in a sliding manner, the upper extending rods of the double-acting telescopic cylinders 14 are arranged on the top lifting plate 13, the lower extending rods of the double-acting telescopic cylinders 14 are arranged on the lower lifting plate 15, and the upward extending rods of the double-acting telescopic cylinders 14 extend upwards by the distance equal to the contraction distance of the lower extending rods under the action of the double-rail wheel assemblies; the double-rail wheel assembly comprises a bottom edge double-rail wheel 7, a top end double-rail wheel 8, a middle double-rail wheel 9, a tensioning double-rail wheel 10, tensioning sliding blocks 11 and polishing double-rail wheels 12, wherein the bottom edge double-rail wheel 7 is symmetrically arranged at the bottoms of two sides of the machine tool 1, the bottom edge double-rail wheel 7 is connected with the output end of a power motor 6, the top end double-rail wheel 8 is symmetrically arranged at the positions of two sides of the machine tool 1 and the clamping center of a crankshaft in groups, the top end double-rail wheel 8 is connected with the clamping center of the crankshaft, the crankshaft is driven to rotate when the top end double-rail wheel 8 rotates, the middle double-rail wheel 9 is symmetrically arranged at the positions of two sides of the machine tool 1, the tensioning sliding blocks 11 are symmetrically arranged in groups in the side walls of two sides of the machine tool 1 in a sliding mode, one end, close to the crankshaft, of the tensioning double-rail wheel 10 is arranged on the tensioning sliding blocks 11, the end, far away from the crankshaft, of the tensioning double-rail wheel 10 is arranged on the side wall of the lower lifting plate 15, the polishing double-rail wheel 12 is arranged on the limiting follow-up rotating shaft 5 in a penetrating manner, the limiting follow-up rotating shaft 5 is driven to rotate when the polishing double-rail wheel 12 rotates, all rotating wheels of the double-rail wheel assembly are of the same specification, a rotating belt 16 is arranged on a side guide rail, close to the crankshaft, of the bottom edge double-rail wheel 7 around the top end double-rail wheel 8, a polishing belt 17 is arranged on a side guide rail, far away from the crankshaft, of the bottom edge double-rail wheel 7 around the middle double-rail wheel 9, the tensioning double-rail wheel 10 and the polishing double-rail wheel 12, and through the functions of the double-rail wheel assembly, the rotating belt 16 and the polishing belt 17, the rotating angular speed of the crankshaft is the same as that of the radius-adjustable rotating unit 4, so that a polishing ring 18 can always follow and fit the circumferential surface of a connecting rod journal; when the top lifting plate 13 moves up and down, the lower lifting plate 15 performs the same displacement under the action of the double-acting telescopic cylinder 14 and drives the tensioning double-rail wheel 10 to generate the same displacement, and the polishing belt 17 always maintains the tensioning state under the action of the tensioning double-rail wheel 10.
When the device is specifically used, the double-acting telescopic cylinder 14 is kept in an upward lifting state, the top lifting plate 13 is positioned at a high position, two crankshafts are respectively clamped on the machine tool 1, the front and back symmetry of the clamping centers of the crankshafts relative to the central surface of the machine tool 1 is ensured, meanwhile, the angle direction of the two crankshafts is ensured to be consistent, and the angle-staggering transition block 23 in the radius-adjustable rotary unit 4 is pulled outwards to be separated from the centering slide block 22, so that the polishing ring 18 can rotate randomly along with the rotary shaft 5 around the limit, and the centering slide block 22 can slide freely in the centering slide way 20.
After the crankshaft clamping is completed, the double-acting telescopic cylinder 14 is started, the top lifting plate 13 and the lower lifting plate 15 move downwards, the top lifting plate 13 drives the limit to move downwards along with the rotating shaft 5 and the polishing double-rail wheel 12, so that the polishing ring 18 moves downwards, and meanwhile, the lower lifting plate 15 drives the tensioning double-rail wheels 10 on two sides to move downwards by the same distance, so that the rotating belt 16 and the polishing belt 17 always keep a tensioning state.
When the grinding ring 18 is tangent to the connecting rod journals on the crankshafts at two sides, the top lifting plate 13 stops moving, the double-acting telescopic cylinder 14 stops acting and locks, so that the current height of the current top lifting plate 13 and the current height of the lower lifting plate 15 are kept unchanged, the position of the limit position along with the rotating shaft 5 are fixed, and the position of the limit position along with the rotating shaft 5 is the rotation center of the grinding ring 18; meanwhile, the automatic positioning of the grinding ring 18 is completed under the action of the connecting rod journals at the two sides, the centering slide block 22 is roughly positioned along the centering slide way 20 under the action of the limiting follow-up rotating shaft 5, and a certain point of the tooth hole 24 in the centering slide block 22 is tangential with the circumferential side wall of the limiting follow-up rotating shaft 5 under the action of gravity; then, the position of the centering slide block 22 is slightly adjusted, a tooth pin 25 on the stagger angle transition block 23 is inserted into a tooth hole 24 of the centering slide block 22, and finally, the centering slide block 22 is fixed in the centering slide way 20 through a positioning hole 21; at this time, the outer circle of the grinding ring 18 is tangent to the connecting rod journals of the crankshafts at two sides, and the grinding ring 18 can not rotate freely any more under the action of the centering slide block 22 and the stagger angle transition block 23, and can only perform rotary motion under the action of the limiting follow-up rotating shaft 5.
Then, the power motor 6 is started, the power motor 6 drives the bottom edge double-rail wheel 7 and the top end double-rail wheel 8 to rotate through the rotating belt 16, the top end double-rail wheel 8 drives the crankshaft to rotate, the bottom edge double-rail wheel 7 drives the grinding double-rail wheel 12 to rotate through the grinding belt 17, the middle double-rail wheel 9 and the tensioning double-rail wheel 10, the grinding double-rail wheel 12 drives the grinding ring 18 to rotate through the limiting following rotating shaft 5, the centering sliding block 22 and the stagger angle transition block 23, and because the specifications of all driving wheels in the double-rail wheel assembly are identical, the rotating angular speed of the top end double-rail wheel 8 and the grinding double-rail wheel 12 are identical, finally, the rotating angular speed of the crankshaft is identical with the rotating angular speed of the grinding ring 18 around the limiting following rotating shaft 5, and the effect that the grinding ring 18 grinds along with the connecting rod journal is achieved.
The polishing rings 18 can automatically adapt to the angle directions of the crank shafts at the positions of different connecting rod journals, so that each polishing ring 18 is in different angle states, and can simultaneously rotate along with the rotating shaft 5 around the limit, so that each dislocated polishing ring 18 synchronously polishes all the connecting rod journals of the crank shafts at two sides, and the polishing efficiency is greatly improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (10)
1. The utility model provides a synchronous dislocation polishing grinding equipment of bent axle which characterized in that: comprising the steps of (a) a step of,
the machine tool (1) is used for clamping a crankshaft;
the self-adaptive synchronous dislocation laminating mechanism (2) is horizontally arranged on the side wall of the machine tool (1) in a penetrating mode, the self-adaptive synchronous dislocation laminating mechanism (2) comprises a radius-adjustable rotating unit (4) and a limiting rotating shaft (5), the limiting rotating shaft (5) is horizontally arranged on the side wall of the machine tool (1) in a penetrating mode, and the radius-adjustable rotating unit (4) is rotationally arranged on the limiting rotating shaft (5) in a multi-group mode;
the tensioning transmission mechanisms (3) are arranged on two sides of the machine tool (1);
the radius-adjustable rotating unit (4) comprises a polishing ring (18), a centering sliding block (22) and a staggering transition block (23), wherein multiple groups of polishing rings (18) are arranged on a limiting follow-up rotating shaft (5), a supporting framework (19) is arranged in the polishing ring (18), the centering sliding block (22) is arranged on the supporting framework (19), and the staggering transition block (23) is connected with the limiting follow-up rotating shaft (5) in a key manner.
2. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 1, wherein: a centering slide way (20) is arranged on one side supporting rib of the supporting framework (19), and positioning holes (21) are formed in two sides of the centering slide way (20).
3. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 2, wherein: the centering slide block (22) is arranged in the centering slide way (20) in a sliding way.
4. A synchronous dislocation polishing and grinding apparatus for crankshafts as claimed in claim 3, wherein: the staggered angle transition block (23) is provided with a toothed pin (25), the center of the centering sliding block (22) is provided with a toothed hole (24), and the staggered angle transition block (23) and the centering sliding block (22) are connected with the toothed hole (24) in an inserting and pulling mode through the toothed pin (25).
5. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 4, wherein: the limiting follow-up rotating shaft (5) penetrates through the centers of the centering sliding block (22) and the stagger angle transition block (23).
6. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 5, wherein: the tensioning transmission mechanism (3) comprises a power motor (6), a double-rail wheel assembly, a top lifting plate (13), double-acting telescopic cylinders (14) and a lower lifting plate (15), wherein the power motor (6) is symmetrically arranged on two sides of the machine tool (1), the double-rail wheel assembly is arranged at the output end of the power motor (6), the top lifting plate (13) is symmetrically arranged on the upper parts of two side walls of the machine tool (1) in a sliding mode, the double-acting telescopic cylinders (14) are symmetrically arranged in the middle of two side walls of the machine tool (1), and the lower lifting plate (15) is symmetrically arranged on the lower parts of two side walls of the machine tool (1) in a sliding mode.
7. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 6, wherein: the limit is rotationally arranged in the top lifting plate (13) along with the rotating shaft (5).
8. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 7, wherein: the upper extension rod of the double-acting telescopic cylinder (14) is arranged on the top lifting plate (13), and the lower extension rod of the double-acting telescopic cylinder (14) is arranged on the lower lifting plate (15).
9. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 8, wherein: the double-rail wheel assembly comprises a bottom edge double-rail wheel (7), a top end double-rail wheel (8), a middle double-rail wheel (9), a tensioning double-rail wheel (10), a tensioning sliding block (11) and a polishing double-rail wheel (12), wherein the bottom edge double-rail wheel (7) is symmetrically arranged at the bottom of two sides of the machine tool (1), the bottom edge double-rail wheel (7) is connected with the output end of a power motor (6), the top end double-rail wheel (8) is symmetrically arranged at the two sides of the machine tool (1) and the concentric position of a crankshaft clamping center in a grouping manner, the top end double-rail wheel (8) is connected with the clamping center of the crankshaft, the middle double-rail wheel (9) is symmetrically arranged at the position of the two sides of the machine tool (1) below the top end double-rail wheel (8) in a grouping manner, the tensioning sliding block (11) is symmetrically arranged in the side wall of the two sides of the machine tool (1) in a grouping manner, one end, close to the crankshaft, of the tensioning double-rail wheel (10) is arranged on the upper side wall of a lower lifting plate (15) in a spacing manner, and the double-rail wheel (12) is arranged on the side wall of the crankshaft along with the polishing of the crankshaft.
10. The crankshaft synchronous dislocation polishing and grinding apparatus as claimed in claim 9, wherein: the rotary belt (16) is arranged on a side guide rail of the bottom edge double-rail wheel (7) close to the crankshaft and surrounds the top end double-rail wheel (8), and a polishing belt (17) is arranged on a side guide rail of the bottom edge double-rail wheel (7) far away from the crankshaft and surrounds the middle double-rail wheel (9), the tensioning double-rail wheel (10) and the polishing double-rail wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311550801.0A CN117260482B (en) | 2023-11-21 | 2023-11-21 | Synchronous dislocation polishing grinding equipment of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311550801.0A CN117260482B (en) | 2023-11-21 | 2023-11-21 | Synchronous dislocation polishing grinding equipment of bent axle |
Publications (2)
| Publication Number | Publication Date |
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| CN117260482A true CN117260482A (en) | 2023-12-22 |
| CN117260482B CN117260482B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311550801.0A Active CN117260482B (en) | 2023-11-21 | 2023-11-21 | Synchronous dislocation polishing grinding equipment of bent axle |
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| CN117260482B (en) | 2024-01-23 |
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