CN117340702B - Workpiece positioning mechanism of centerless grinder - Google Patents
Workpiece positioning mechanism of centerless grinder Download PDFInfo
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- CN117340702B CN117340702B CN202311114073.9A CN202311114073A CN117340702B CN 117340702 B CN117340702 B CN 117340702B CN 202311114073 A CN202311114073 A CN 202311114073A CN 117340702 B CN117340702 B CN 117340702B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/307—Means for supporting work
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a workpiece positioning mechanism of a centerless grinder, and relates to the technical field of centerless grinders. The workpiece positioning mechanism of the centerless grinding machine comprises a centerless grinding machine body and a supporting plate, wherein the supporting plate is arranged on the top end surface of the centerless grinding machine body, a limiting groove is formed in the top end surface of the supporting plate, a sliding plate is arranged on the inner wall of the limiting groove, a support is arranged on one side surface of the centerless grinding machine body, a limiting plate is arranged on the top end surface of the centerless grinding machine body, and an arc-shaped groove is formed in the bottom end surface of the limiting plate. According to the invention, when the deflection column is reset, the extrusion block can shrink to the inner wall of the fixed groove, the extrusion block can not contact with the outer side surface of the workpiece when shrinking, the workpiece can fall down due to the fact that the diameter formed between the extrusion blocks is enlarged, the falling workpiece can fall on the top end surface of the supporting plate, and therefore automatic placement of the workpiece to be polished on the surface of the centerless grinding machine is achieved, and feeding automation is achieved.
Description
Technical Field
The invention relates to the technical field of centerless grinding machines, in particular to a workpiece positioning mechanism of a centerless grinding machine.
Background
Centerless grinding machines are a special type of grinding equipment used to machine a variety of cylindrical and conical workpieces. The working principle is that the grinding wheel and the workpiece keep certain relative movement through the rotation of the grinding wheel and the rotation of the workpiece. The centerless grinding principle is adopted, namely, when the workpiece rotates, the grinding wheel is not contacted with the center of the workpiece, but contacted with the outer surface of the workpiece, so that the workpiece is ground.
However, because the centerless grinder of the prior art is used for polishing a part of a workpiece by manually placing the workpiece on one side of the polishing wheel and polishing the workpiece by the polishing wheel, the workpiece becomes round, but if the operation is improper during manual placement, the rotating polishing wheel can cause damage to the hand of a user, so that potential safety hazards exist during use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a workpiece positioning mechanism of a centerless grinder, which solves the problems that a workpiece is manually placed on one side of a grinding wheel, the workpiece is ground through the grinding wheel, the workpiece becomes round, but when the workpiece is manually placed, if the operation is improper, the rotating grinding wheel can damage the hand of a user, so that potential safety hazards exist during use.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a work piece positioning mechanism of centerless grinder, includes centerless grinder body and backup pad, the top surface at the centerless grinder body is installed to the backup pad, the spacing groove has been seted up on the top surface of backup pad, the sliding plate is installed to the inner wall of spacing groove, one side surface mounting of centerless grinder body has the support, the top surface mounting of centerless grinder body has the limiting plate, the arc wall has been seted up to the bottom surface of limiting plate, the top surface mounting of support has the subassembly of transporting, one side surface mounting of subassembly has power pack, one side surface mounting of power pack has fixed subassembly.
Further, the conveying assembly comprises a fixing plate, a sliding block is arranged on one side surface of the fixing plate, a conveying wheel is arranged on one side surface of the fixing plate, an extension rod is arranged on one side surface of the conveying wheel, clamping teeth are arranged on the outer side surface of the extension rod, and the fixing plate is arranged on the top end surface of the support.
Further, the fixed plates are two equidistant distributed on the top end surface of the support, the sliding blocks are four linear arrays distributed on one side surface of the fixed plates, and one side surface and the other side surface of each sliding block are fixedly welded with one side surface of each fixed plate.
Further, the number of the transport wheels is five, the five transport wheels are distributed on one side surface of the fixed plate in a linear array, extension rods are installed on one side surface of each transport wheel, clamping teeth are installed on the outer side surface of each extension rod, and the extension rods are movably and rotatably connected with the fixed plate.
Further, the power component comprises a motor, one side surface mounting of motor has the track reel, the outside surface mounting of track reel has the toothed belt, one side surface mounting of fixed plate has electric telescopic handle, the fixed block is installed to electric telescopic handle's one end, the top surface mounting of limiting plate has object sensor, one side surface mounting of fixed plate has the controller, the motor is installed at one side surface of fixed plate.
Further, one end of the crawler belt disc is connected with the output end of the motor, one end of the crawler belt disc extends from one side surface of the fixing plate to the other side surface of the fixing plate, and the inner wall of the toothed belt is in movable contact with the outer side surface of the crawler belt disc.
Further, the inner wall of the crawler disc is in movable contact with the outer side surface of the extension rod, the toothed belt is meshed with the clamping teeth, the two electric telescopic rods are distributed on one side and the other side of the fixing plate, one side surface of the fixing block is fixedly welded with one ends of the two electric telescopic rods, the object sensor is electrically connected with the controller, the controller is electrically connected with the electric telescopic rods, and the controller is electrically connected with the motor.
Further, the fixed subassembly includes rotatory splint, the deflection groove has been seted up to rotatory splint's inner wall, the deflection post is installed to the inner wall in deflection groove, the outside surface mounting of deflection post has the extrusion piece, one side surface mounting of splint has the rotor plate, the fixed slot is installed to the inner wall of rotor plate, the outside surface mounting of rotor plate has the column spinner, the top surface at the fixed block is installed to the splint.
Further, the splint is two equidistance and distributes on the top surface of fixed block, every the deflection groove has all been seted up to one side surface of splint, the deflection groove is three and is annular array distribution in one side surface of splint, the deflection post is three and is annular array distribution in one side surface of splint, three the one-to-one between deflection post and the deflection groove, the outside surface of deflection post and the inner wall movable contact of deflection groove.
Further, extrusion blocks are mounted on the outer side surfaces of the deflection columns, the three fixing grooves are distributed on one side surface of the rotary plate in an annular array mode, the extrusion blocks are in movable contact with the inner wall of the fixing grooves, the rotary plate is movably and rotatably connected with the clamping plates, and the outer side surfaces of the rotary columns are in movable contact with the inner wall of the arc-shaped groove.
Advantageous effects
The invention has the following beneficial effects:
1. This centerless grinder's work piece positioning mechanism drives the extension rod through the tooth through rotatory toothed belt and rotates, and the outside surface mounting of extension rod has the transportation wheel, so the transportation wheel can rotate in one side surface of fixed plate this moment, can drive the work piece that its top surface was placed when the transportation wheel was rotatory and remove to realize the transportation function to the work piece.
2. This centerless grinder's work piece positioning mechanism can carry out counter-rotation when the rotor plate rotates once more, at this moment the deflection post can reset the removal at the inner wall of deflection groove, when the deflection post resets, extrusion piece can shrink to the inner wall of fixed slot this moment, can not be in the outside surface contact with the work piece when extrusion piece shrink, at this moment the work piece can be because the diameter grow that forms between the extrusion piece whereabouts, the work piece whereabouts can fall on the top surface of backup pad this moment to realize automatic place the work piece that will polish on centerless grinder surface, realize the automation of pan feeding.
3. The workpiece positioning mechanism of the centerless grinding machine can eject the workpiece polished by the inner wall of the clamping plate, so that the polished workpiece falls, when the polished workpiece falls, the object sensor can re-detect the workpiece, and because the workpiece which is not polished continues to stretch out, the workpiece which is not polished stretches out by one end distance and can be detected by the object sensor, the workpiece which is not polished is conveyed, the workpiece which is polished is taken down, and the workpiece which is not polished is placed again.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of another angular outer structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of a limiting plate structure according to the present invention;
FIG. 5 is a schematic view of another angular internal structure of the present invention;
FIG. 6 is a schematic view of a transport assembly according to the present invention;
FIG. 7 is a schematic view of the internal structure of the fixing assembly of the present invention;
FIG. 8 is a schematic view of the internal structure of the transport assembly of the present invention.
In the figure, 1, a centerless grinder body; 2. a support plate; 3. a limit groove; 4. a sliding plate; 5. a bracket; 6. a limiting plate; 7. an arc-shaped groove; 8. a fixing plate; 9. a sliding block; 10. a transport wheel; 11. an extension rod; 12. latch teeth; 13. a motor; 14. a crawler belt disc; 15. a toothed belt; 16. an electric telescopic rod; 17. a fixed block; 18. an object sensor; 19. a controller; 20. a clamping plate; 21. a deflection tank; 22. a deflection column; 23. extruding a block; 24. a rotating plate; 25. a fixing groove; 26. and (5) rotating the column.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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 "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components 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 present invention.
Referring to fig. 1 to 8, the embodiment of the present invention provides a technical solution: the utility model provides a work piece positioning mechanism of centerless grinder, including centerless grinder body 1 and backup pad 2, backup pad 2 installs on centerless grinder body 1's top surface, limit groove 3 has been seted up on backup pad 2's top surface, slide plate 4 is installed to limit groove 3's inner wall, centerless grinder body 1's one side surface mounting has support 5, centerless grinder body 1's top surface mounting has limiting plate 6, arc wall 7 has been seted up to limiting plate 6's bottom surface, support 5's top surface mounting has the subassembly of transporting, one side surface mounting of subassembly has power pack, one side surface mounting of power pack has fixed subassembly.
The conveying assembly comprises a fixed plate 8, a sliding block 9 is arranged on one side surface of the fixed plate 8, a conveying wheel 10 is arranged on one side surface of the fixed plate 8, an extension rod 11 is arranged on one side surface of the conveying wheel 10, a latch 12 is arranged on the outer side surface of the extension rod 11, the fixed plate 8 is arranged on the top end surface of the support 5, when the toothed belt 15 rotates, the inner wall of the toothed belt 15 is in movable contact with the outer side surface of the extension rod 11 at the moment, and the toothed belt 15 and the latch 12 are meshed with each other, so that the rotating toothed belt 15 can drive the extension rod 11 to rotate through the latch 12.
The fixed plate 8 is two equidistance and distributes on the top surface of support 5, and slider 9 is four and be linear array and distribute on the one side surface of fixed plate 8, and one side and the opposite side surface of every slider 9 all with the one side surface fixed welding of two fixed plates 8, the outside surface mounting of extension pole 11 has transport wheel 10, so transport wheel 10 can rotate at the one side surface of fixed plate 8 this moment, can drive the work piece that its top surface was placed when transport wheel 10 rotated and remove to realize the transportation function to the work piece.
The number of the transport wheels 10 is five, the five transport wheels 10 are distributed on one side surface of the fixed plate 8 in a linear array, extension rods 11 are installed on one side surface of each transport wheel 10, clamping teeth 12 are installed on the outer side surface of each extension rod, the extension rods 11 are movably and rotatably connected with the fixed plate 8, workpieces to be processed are placed on the top end surface of the transport wheels 10, when the placement is completed, a motor 13 is started at the moment, and when the motor 13 is started, crawler wheels 14 installed at the output ends of the motor are driven to rotate.
The power component comprises a motor 13, a crawler belt disk 14 is arranged on one side surface of the motor 13, a toothed belt 15 is arranged on the outer side surface of the crawler belt disk 14, an electric telescopic rod 16 is arranged on one side surface of the fixed plate 8, a fixed block 17 is arranged at one end of the electric telescopic rod 16, an object sensor 18 is arranged on the top surface of the limiting plate 6, a controller 19 is arranged on one side surface of the fixed plate 8, the motor 13 is arranged on one side surface of the fixed plate 8, the toothed belt 15 is wound on the outer side surface of the rotary crawler belt disk 14, and at the moment, the rotary crawler belt disk 14 can drive the toothed belt 15 to move and rotate on the outer side surface of the crawler belt disk 14.
One end of the track roller 14 is connected with the output end of the motor 13, one end of the track roller 14 extends from one side surface of the fixing plate 8 to the other side surface thereof, and the inner wall of the toothed belt 15 is in movable contact with the outer side surface of the track roller 14.
The inner wall of the crawler wheel 14 is movably contacted with the outer side surface of the extension rod 11, the toothed belt 15 and the clamping teeth 12 are meshed with each other, the electric telescopic rods 16 are two surfaces which are distributed on one side and the other side of the fixed plate 8, one side surface of the fixed block 17 is fixedly welded with one ends of the two electric telescopic rods 16, the object sensor 18 is electrically connected with the controller 19, the controller 19 is electrically connected with the electric telescopic rods 16, the controller 19 is electrically connected with the motor 13, the electric telescopic rods 16 stretch out to drive the fixed block 17 to move, and at the moment, a workpiece is also driven by the transport wheel 10 to move, so that the workpiece and the electric telescopic rods 16 move together.
The fixed subassembly includes rotatory splint 20, deflection groove 21 has been seted up to the inner wall of rotatory splint 20, deflection post 22 has been installed to the inner wall of deflection groove 21, the outside surface mounting of deflection post 22 has extrusion piece 23, one side surface mounting of splint 20 has rotor plate 24, fixed slot 25 is installed to rotor plate 24's inner wall, rotor plate 24's outside surface mounting has rotor post 26, splint 20 installs the top surface at fixed block 17, rotor plate 24 outside surface mounting's rotor post 26 can contact with the inner wall of arc wall 7, and because arc wall 7 has certain radian, so can drive rotor plate 24 and rotate at splint 20's one side surface when rotor post 26 extends arc wall 7 and remove.
The splint 20 is two equidistance and distributes on the top surface of fixed block 17, deflection groove 21 has all been seted up to the one side surface of every splint 20, deflection groove 21 is three and is the annular array and distribute on the one side surface of splint 20, deflection post 22 is three and is the annular array and distribute on the one side surface of splint 20, the one-to-one correspondence between three deflection post 22 and the deflection groove 21, the outside surface and the inner wall movable contact of deflection groove 21 of deflection post 22, can drive extrusion piece 23 when deflection post 22 removes, the extrusion piece 23 that removes at this moment can remove from the inner wall of fixed slot 25, and when three extrusion piece 23 removes from the inner wall of fixed slot 25 simultaneously, extrusion piece 23 can contact each other with the outside surface of work piece at this moment, and extrude the outside surface of work piece.
The extrusion piece 23 is installed to the outside surface of every deflection post 22, and fixed slot 25 is three and is annular array distribution in the one side surface of rotor plate 24, extrusion piece 23 and the inner wall movable contact of fixed slot 25, movable swivelling joint between rotor plate 24 and the splint 20, the outside surface of rotation post 26 and the inner wall movable contact of arc wall 7, can not be in contact with the outside surface of work piece when extrusion piece 23 shrink, and the work piece can be because of the diameter grow that forms between the extrusion piece 23 and whereabouts at this moment, the work piece of whereabouts can fall on the top surface of backup pad 2.
When the centerless grinder is used, the sliding plate 4 is held and driven to move when the centerless grinder is required to be used, the inner wall of the limiting groove 3 moves when the sliding plate 4 moves, the sliding plate 4 is adjusted to be at a proper position, so that the entering depth of a workpiece is controlled, when the adjustment is finished, the workpiece to be processed is placed on the top end surface of the transport wheel 10, after the placement is finished, the motor 13 is started, the crawler disc 14 installed at the output end of the motor 13 is driven to rotate when the motor 13 is started, the rotating crawler disc 14 at the moment can drive the toothed belt 15 to move and rotate on the outer side surface of the crawler disc 14 because the toothed belt 15 is wound with the toothed belt 15, and the toothed belt 15 is meshed with the latch 12 at the moment because the inner wall of the toothed belt 15 is also in movable contact with the outer side surface of the extension rod 11, the rotating toothed belt 15 can drive the extension rod 11 to rotate through the latch 12, the transport wheel 10 is installed on the outer side surface of the extension rod 11, and the transport wheel 10 can rotate on one side of the fixed plate 8, and the workpiece can be transported when the rotating surface is driven to move.
When the transport wheel 10 drives the workpiece to move to the tail end of the transport wheel along the fixed plate 8, one end of the workpiece is inserted into the inner wall of the clamping plate 20, when one end of the workpiece penetrates out of the inner wall of the clamping plate 20, the object sensor 18 arranged on one side surface of the fixed plate 8 detects the workpiece, the object sensor 18 is electrically connected with the controller 19, the controller 19 controls the electric telescopic rod 16 to extend out, the fixed block 17 is driven to move when the electric telescopic rod 16 extends out, the workpiece is also driven to move by the transport wheel 10, at this time, the workpiece and the electric telescopic rod 16 move together, the rotating column 26 arranged on the outer side surface of the rotating plate 24 is contacted with the inner wall of the arc-shaped groove 7 when the electric telescopic rod 16 drives the fixed block 17 to move, and the rotating block 24 is driven to rotate on one side surface of the clamping plate 20 because the arc-shaped groove 7 extends out, the extruding block 23 is driven to rotate by the fixed groove 25, the outer side surface of the extruding block 23 is driven by the rotating block 23 because of the fixed groove 22 is arranged on the outer side surface of the rotating plate 24, and the extruding block 23 is driven to move by the rotating block 22 is contacted with the inner wall of the inner wall 23 when the rotating block 23 is extruded and the inner wall of the rotating block 23 is moved out of the fixed groove 23, and the inner wall is contacted with the inner wall of the extruding block 23 is moved by the rotating block 23 when the rotating block 23 is completely, at this time, the controller 19 controls the motor 13 to stop moving, so that the transporting wheel 10 stops transporting, and because the electric telescopic rod 16 is still stretching out at this time, the stretched electric telescopic rod 16 can drive the fixed block 17 and the fixed workpiece to move, when the rotating column 26 moves to the end of the arc groove 7, at this time, because the end of the arc groove 7 has a certain radian, the rotating column 26 contacted with the arc groove 7 can drive the rotating plate 24 to rotate again, and when the rotating plate 24 rotates again, the rotating column 22 can rotate reversely, at this time, the rotating column 22 can reset on the inner wall of the deflecting groove 21, when the rotating column 22 resets, the extruding block 23 can shrink to the inner wall of the fixed groove 25, when the extruding block 23 shrinks, the extruding block 23 can not contact with the outer side surface of the workpiece, at this time, the workpiece can fall on the top surface of the supporting plate 2 because the diameter formed between the extruding blocks 23 becomes large, at this time, the centerless grinder body 1 starts, the polishing wheel can contact with the outer side surface of the workpiece when the centerless grinder starts, and polish the workpiece, the workpiece can slide on the side of the supporting plate 2 because the polishing wheel can move deeply, and the position of the workpiece can be limited, and the sliding plate can move deeply.
When polishing is finished, the electric telescopic rod 16 is retracted, the rotary column 26 is still positioned on the inner wall of the arc-shaped groove 7, the rotary column 26 is enabled to move on the inner wall of the arc-shaped groove 7 due to the reset of the electric telescopic rod 16, the rotary column 26 is controlled to drive the rotary plate 24 to rotate on one side surface of the clamping plate 20 again due to the radian of the arc-shaped groove 7, when the clamping plate 20 rotates, the rotary column 22 is enabled to move along the deflection groove 21 again, the extrusion block 23 stretches out of the inner wall of the fixing groove 25 and clamps the workpiece which is polished at the moment, the workpiece is fixed, the electric telescopic rod 16 still moves due to the fact that the extrusion block 23 pulls out the workpiece which is polished at the moment, and due to the reset of the electric telescopic rod 16, the extrusion block 23 drives the workpiece to return to the initial position, the extrusion block 23 is enabled to be fixed on the workpiece due to the fact that the limit of the mutual groove is not in the moment, the workpiece is taken out of the workpiece, when the electric telescopic rod 16 resets to the initial position, the motor 13 is enabled to be driven to move along the inner wall of the fixing groove 21, the workpiece is enabled to move on the inner wall of the fixing groove 25, the workpiece is enabled to move on the inner wall of the workpiece when the workpiece is not polished, the workpiece is detected to be stretched out of the workpiece through the clamping plate 18, the workpiece is detected to be the fact that the workpiece is not polished through the polishing device is stretched out of the inner wall of the workpiece, the workpiece is detected to be the workpiece is not polished, and the workpiece is detected to be polished through the workpiece is detected.
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.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a work piece positioning mechanism of centerless grinder, includes centerless grinder body (1) and backup pad (2), backup pad (2) are installed on the top surface of centerless grinder body (1), its characterized in that: the automatic grinding machine comprises a supporting plate (2), wherein a limiting groove (3) is formed in the top end surface of the supporting plate (2), a sliding plate (4) is arranged on the inner wall of the limiting groove (3), a support (5) is arranged on one side surface of a centerless grinding machine body (1), a limiting plate (6) is arranged on the top end surface of the centerless grinding machine body (1), an arc-shaped groove (7) is formed in the bottom end surface of the limiting plate (6), a conveying assembly is arranged on the top end surface of the support (5), a power assembly is arranged on one side surface of the conveying assembly, and a fixing assembly is arranged on one side surface of the power assembly;
The conveying assembly comprises a fixed plate (8), a sliding block (9) is arranged on one side surface of the fixed plate (8), a conveying wheel (10) is arranged on one side surface of the fixed plate (8), an extension rod (11) is arranged on one side surface of the conveying wheel (10), a latch (12) is arranged on the outer side surface of the extension rod (11), and the fixed plate (8) is arranged on the top end surface of the bracket (5);
The power assembly comprises a motor (13), one side surface of the motor (13) is provided with a crawler disc (14), the outer side surface of the crawler disc (14) is provided with a toothed belt (15), one side surface of the fixed plate (8) is provided with an electric telescopic rod (16), one end of the electric telescopic rod (16) is provided with a fixed block (17), the top end surface of the limiting plate (6) is provided with an object sensor (18), one side surface of the fixed plate (8) is provided with a controller (19), and the motor (13) is arranged on one side surface of the fixed plate (8);
The fixing assembly comprises a rotary clamping plate (20), a deflection groove (21) is formed in the inner wall of the rotary clamping plate (20), a deflection column (22) is arranged on the inner wall of the deflection groove (21), a squeezing block (23) is arranged on the outer side surface of the deflection column (22), a rotary plate (24) is arranged on one side surface of the clamping plate (20), a fixing groove (25) is formed in the inner wall of the rotary plate (24), a rotary column (26) is arranged on the outer side surface of the rotary plate (24), and the clamping plate (20) is arranged on the top end surface of the fixing block (17);
The clamping plates (20) are two top surfaces which are equidistantly distributed on the fixed block (17), one side surface of each clamping plate (20) is provided with deflection grooves (21), the deflection grooves (21) are three side surfaces which are distributed on the clamping plates (20) in an annular array, the deflection columns (22) are three side surfaces which are distributed on the clamping plates (20) in an annular array, the three deflection columns (22) are in one-to-one correspondence with the deflection grooves (21), and the outer side surfaces of the deflection columns (22) are in movable contact with the inner wall of the deflection grooves (21);
The outer side surface of each deflection column (22) is provided with three extrusion blocks (23), the fixed grooves (25) are distributed on one side surface of the rotary plate (24) in an annular array, the extrusion blocks (23) are in movable contact with the inner wall of the fixed grooves (25), the rotary plate (24) is in movable rotary connection with the clamping plate (20), and the outer side surface of the rotary column (26) is in movable contact with the inner wall of the arc-shaped groove (7);
When the transport wheel (10) drives the workpiece to move to the tail end of the transport wheel along the fixed plate (8), one end of the workpiece is inserted into the inner wall of the clamping plate (20), when one end of the workpiece penetrates out of the inner wall of the clamping plate (20), an object sensor (18) arranged on one side of the fixed plate (8) detects the workpiece, the object sensor (18) is electrically connected with the controller (19), the controller (19) controls the electric telescopic rod (16) to extend, the workpiece is driven to move by the fixed block (17) when the electric telescopic rod (16) extends, the workpiece and the electric telescopic rod (16) are driven to move together, when the electric telescopic rod (16) drives the fixed block (17) to move, a rotating column (26) arranged on the outer side surface of the rotating plate (24) is contacted with the inner wall of the arc-shaped groove (7), and because the arc-shaped groove (7) is provided with a certain radian, when the rotating column (26) extends, the rotating column (24) is driven to rotate on one side of the clamping plate (20) to rotate, the rotating block (23) is driven to rotate by the rotating column (24) to press the rotating plate (23) when the rotating plate (23) is driven to rotate by the rotating rod (23), the deflection column (22) is positioned on the inner wall of the deflection groove (21), so when the rotating plate (24) rotates on one side surface of the clamping plate (20), the deflection column (22) can move on the inner wall of the deflection groove (21) due to radian, the extrusion block (23) can be driven to move when the deflection column (22) moves, the moving extrusion block (23) can move out of the inner wall of the fixed groove (25), when three extrusion blocks (23) move out of the inner wall of the fixed groove (25) at the same time, the extrusion block (23) can be mutually contacted with the outer side surface of a workpiece, the outer side surface of the workpiece is extruded, the workpiece is fixed, the controller (19) can control the motor (13) to stop moving, so that the conveying wheel (10) stops conveying, and because the electric telescopic rod (16) stretches out, the fixed block (17) and the fixed workpiece can move when the rotating column (26) moves to the tail end of the fixed groove (25), the rotating plate (7) can rotate reversely due to the radian when the rotating column (26) moves to the tail end of the fixed groove (25), the rotating plate (24) rotates reversely, and the arc-shaped rotating plate (24) can rotate again, at this time, the deflection column (22) can reset at the inner wall of the deflection groove (21), when the deflection column (22) resets, at this time, the extrusion block (23) can shrink to the inner wall of the fixed groove (25), when the extrusion block (23) shrinks, can not contact with the outer side surface of the workpiece, at this time, the workpiece can fall down because of the diameter enlargement formed between the extrusion blocks (23), the falling workpiece can fall on the top end surface of the supporting plate (2), at this time, the centerless grinding machine body (1) is started, the grinding wheel can contact with the outer side surface of the workpiece when the centerless grinding machine body (1) is started, and grind the workpiece, and can drive the workpiece to move on one side surface of the grinding wheel when the grinding wheel rotates, and because the top end surface of the supporting plate (2) is fixed by the sliding plate (4), the sliding plate (4) can limit the movement of the workpiece, and the workpiece can only go deep into a specific position.
2. A workpiece positioning mechanism for a centerless grinder as claimed in claim 1, wherein: the fixed plates (8) are two equidistant surfaces distributed on the top end of the support (5), the sliding blocks (9) are four surfaces distributed on one side of the fixed plates (8) in a linear array, and one side and the other side of each sliding block (9) are fixedly welded with one side surfaces of the two fixed plates (8).
3. A workpiece positioning mechanism for a centerless grinder as claimed in claim 1, wherein: the conveying wheels (10) are arranged in five, the five conveying wheels (10) are distributed on one side surface of the fixed plate (8) in a linear array mode, extension rods (11) are installed on one side surface of each conveying wheel (10), clamping teeth (12) are installed on the outer side surface of each extension rod (11), and the extension rods (11) are movably and rotatably connected with the fixed plate (8).
4. A workpiece positioning mechanism for a centerless grinder as claimed in claim 1, wherein: one end of the crawler belt plate (14) is connected with the output end of the motor (13), one end of the crawler belt plate (14) extends from one side surface of the fixed plate (8) to the other side surface of the fixed plate, and the inner wall of the toothed belt (15) is in movable contact with the outer side surface of the crawler belt plate (14).
5. A workpiece positioning mechanism for a centerless grinder as claimed in claim 1, wherein: the inner wall of track dish (14) and the outside surface movable contact of extension rod (11), intermesh between toothed belt (15) and latch (12), electric telescopic handle (16) are two one side and opposite side surfaces that distribute in fixed plate (8), one side surface and the one end fixed welding of two electric telescopic handle (16) of fixed block (17), electric connection between object sensor (18) and controller (19), electric connection between controller (19) and electric telescopic handle (16), electric connection between controller (19) and motor (13).
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| CN202311114073.9A CN117340702B (en) | 2023-08-31 | 2023-08-31 | Workpiece positioning mechanism of centerless grinder |
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| CN202311114073.9A CN117340702B (en) | 2023-08-31 | 2023-08-31 | Workpiece positioning mechanism of centerless grinder |
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