CN219967468U - Polishing machine for crankshafts - Google Patents
Polishing machine for crankshafts Download PDFInfo
- Publication number
- CN219967468U CN219967468U CN202321431685.6U CN202321431685U CN219967468U CN 219967468 U CN219967468 U CN 219967468U CN 202321431685 U CN202321431685 U CN 202321431685U CN 219967468 U CN219967468 U CN 219967468U
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- fixedly connected
- rotary drum
- crankshafts
- far away
- cam
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- 238000005498 polishing Methods 0.000 title abstract description 39
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to the field of polishing equipment and discloses a polishing machine for a crankshaft, which comprises a lathe bed, wherein a clamping device for transversely clamping and fixing the crankshaft is arranged on the lathe bed, one side of the lathe bed is provided with a mounting frame, a moving device which moves along the direction of the lathe bed is connected onto the mounting frame in a sliding manner, the moving device is provided with a polishing device, the polishing device comprises a support rod hinged with one end of the moving device, one end of the support rod is fixedly connected with a first mounting plate, the first mounting plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first rotary drum, one end of the support rod, which is far away from the moving device, is provided with a second rotary drum, an abrasive belt is wound between the first rotary drum and the second rotary drum, the second rotary drum is provided with an adjusting device for driving the tensioning degree of the abrasive belt, and the moving device is provided with a driving device for driving the abrasive belt to approach or far away from the crankshaft. The utility model has the following advantages and effects: by adjusting the angle of the sanding belt, the sanding belt can be adapted to crankshafts of different sizes.
Description
Technical Field
The utility model relates to the technical field of polishing equipment, in particular to a polishing machine for a crankshaft.
Background
The crankshaft is one of the important parts of the engine, and it needs to be precisely machined to ensure its accuracy and reliability. The traditional crankshaft polishing method comprises manual polishing and mechanical polishing, wherein the manual polishing is realized by manually holding an abrasive belt and driving a crankshaft to rotate by equipment, so that the polishing efficiency is low and the precision is not high enough; most of mechanical polishing is to sequentially pass through an upper clamp and a lower clamp by an abrasive belt led out from an abrasive belt disc, clamp a crankshaft in the middle, polish the crankshaft along with rotation of the crankshaft, and switch the abrasive belt for multiple times in the process so as to achieve high-quality polishing of the surface of the crankshaft.
The Chinese patent with the publication number of CN216138679U discloses an abrasive belt polisher for crankshaft processing, which comprises a bottom plate, a power unit, a clamping unit, a dust collection unit and an arc clamping plate; the upper surface of the bottom plate is provided with a power unit, a clamping unit and a dust collection unit; the power unit comprises a motor, a motor support, a mounting support, an abrasive belt and a rotating shaft, wherein the motor support and the mounting support are arranged on the upper surface of the bottom plate, the motor is arranged on the motor support, an output shaft of the motor is connected with one end of the rotating shaft through a coupling, the rotating shaft is rotationally connected with the mounting support, a rotating column is arranged on the rotating shaft, the abrasive belt is slidably arranged on the rotating column, and an input end of the motor is electrically connected with an output end of an external controller.
The abrasive belt polishing machine structure for crankshaft machining improves the polishing effect of the abrasive belt by increasing the torque, but the distance between the abrasive belts is not adjustable, the direction of the abrasive belt is not movable, and the abrasive belt polishing machine structure cannot adapt to crankshafts with different sizes.
Disclosure of Invention
The utility model aims to provide a polishing machine for crankshafts, which has the effect of polishing crankshafts with different sizes.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a burnishing machine for bent axle, includes the lathe bed, be equipped with the clamping device who is used for horizontal centre gripping fixed bent axle on the lathe bed, lathe bed one side is equipped with the mounting bracket, sliding connection has the mobile device who follows lathe bed direction motion on the mounting bracket, be equipped with burnishing device on the mobile device, burnishing device include with mobile device one end articulated bracing piece, bracing piece one end fixedly connected with mounting panel one, fixedly connected with motor on the mounting panel one, the output shaft fixedly connected with rotary drum one of motor, the bracing piece is kept away from mobile device one end is equipped with rotary drum two, rotary drum one with the round connection has the abrasive band between the rotary drum two, be equipped with the drive on the rotary drum two the adjusting device of abrasive band tensioning degree, be equipped with the drive on the mobile device the abrasive band is close to or keeps away from the drive arrangement of bent axle.
Through adopting above-mentioned technical scheme, initial state, clamping device will crank shaft centre gripping, and mobile device moves burnishing device to crank shaft main journal top, and drive arrangement drive burnishing device is close to crank shaft main journal, polishes, and after the polishing was accomplished, drive arrangement drive burnishing device kept away from crank shaft main journal, and mobile device removes burnishing device to next crank shaft main journal top, repeats above-mentioned
And finishing polishing of the crankshaft, and adjusting the polishing device to be close to or far away from the main journal of the crankshaft by the driving device, so that the polishing device can polish crankshafts with different sizes.
The utility model is further provided with: the driving device comprises a fixed plate fixedly connected to the moving device, the fixed plate is far away from one end of the moving device and is rotationally connected with a fixed pulley, the fixed plate is far away from one end of the moving device and is vertically and fixedly connected with a vertical plate, the vertical plate is far away from one end of the fixed plate and is rotationally connected with a cam, the cam is far away from a cam edge and is fixedly connected with a rope, and the other end of the rope is in winding connection with the fixed pulley and is fixedly connected with the middle of the supporting rod.
By adopting the technical scheme, when the edge of the cam is at the lowest point in the vertical direction, the rope is at the highest point in the vertical direction, and the other end of the rope descends to enable the support rod to rotate around the sliding piece, and meanwhile, the edge of the cam is in contact with the support rod, and the abrasive cloth is attached to the main journal of the crankshaft; when the edge of the cam rotates to the highest point, the rope is at the lowest point in the vertical direction, the other end of the rope rises, the supporting rod reversely rotates around the sliding piece, and the polishing device is far away from the crankshaft.
The utility model is further provided with: and a motor II is fixedly arranged on one side, far away from the cam, of the vertical plate, and an output shaft of the motor II is fixedly connected with the cam, far away from the edge of the cam.
Through adopting above-mentioned technical scheme, motor two can drive the cam rotation, makes rope drive bracing piece be close to or keep away from the bent axle main journal.
The utility model is further provided with: the adjusting device comprises a sleeve which is slidably connected to the supporting rod, a threaded hole is formed in the upper end of the sleeve, a bolt is connected in the threaded hole in a threaded mode, a second mounting plate is fixedly arranged at the lower end of the sleeve, and the second mounting plate is far away from one end of the sleeve and is rotationally connected with the second rotary drum.
Through adopting above-mentioned technical scheme, according to the tensioning degree slip sleeve of abrasive cloth, with sleeve movement to suitable position, rotate the bolt on the sleeve, fix the sleeve on the bracing piece, rotary drum one and rotary drum two's position relatively fixed, abrasive cloth is in the tensioning state, makes polishing effect better and convenient operation.
The utility model is further provided with: and the upper end of the bolt is fixedly connected with a rotating rod.
Through adopting above-mentioned technical scheme, bolt upper end fixed connection bull stick, conveniently rotate the bolt.
The utility model is further provided with: the mounting frame comprises two vertical rods arranged on one side of the lathe bed, a cross rod is fixedly connected between the two vertical rods, and the cross rod is square tubular.
Through adopting above-mentioned technical scheme, the length of horizontal pole is not less than the length of bent axle, and horizontal pole and bent axle are parallel, make burnishing device follow horizontal pole direction motion, polish the bent axle main journal, and the horizontal pole is square tubular and conveniently fixes a position mobile device, avoids rocking.
The utility model is further provided with: the moving device comprises a sliding part which is connected to the cross rod in a sliding way, the sliding part comprises a plurality of rollers which are arranged at two ends of the sliding part, the rollers are rotationally connected with the sliding part, and the rollers are in rolling connection with the cross rod.
Through adopting above-mentioned technical scheme, slider both ends all are equipped with 4 rollers, and four limit roll connection of 4 rollers and square tubular cross bar adopts unpowered mode drive burnishing device to follow square tubular cross bar direction motion, the energy saving.
The utility model is further provided with: the clamping device is a three-jaw chuck.
By adopting the technical scheme, the three-jaw chuck clamps the crankshaft, so that the crankshaft rotates, and the polishing machine is convenient to polish.
The beneficial effects of the utility model are as follows:
1. when the edge of the cam is at the lowest point in the vertical direction, the rope is at the highest point in the vertical direction, the other end of the rope descends to enable the supporting rod to rotate around the sliding piece, meanwhile, the edge of the cam is in contact with the supporting rod, and the abrasive cloth is attached to the main journal of the crankshaft; when the edge of the cam rotates to the highest point, the rope is at the lowest point in the vertical direction, the other end of the rope rises to enable the supporting rod to reversely rotate around the sliding piece, the polishing device is far away from the crankshaft, and the fixed pulley and the cam drive the rope to rise or fall, so that the supporting rod is close to or far away from the main journal of the crankshaft, and the crankshaft with different sizes can be adapted;
2. the sleeve is slid according to the tensioning degree of the abrasive cloth, the sleeve is moved to a proper position, the bolt on the sleeve is rotated, the sleeve is fixed on the supporting rod, the first rotary drum and the second rotary drum are relatively fixed, the abrasive cloth is in a tensioning state, so that the polishing effect is better and the operation is convenient;
3. the moving device comprises 4 rollers which are respectively arranged at two ends of the sliding piece, and the polishing device is driven to move along the direction of the square tubular cross rod by adopting a non-power mode, so that energy is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of the present utility model at a.
In the figure, 1, a lathe bed; 2. a clamping device; 3. a mounting frame; 31. a vertical rod; 32. a cross bar; 4. a mobile device; 41. a slider; 42. a roller; 5. a polishing device; 51. a support rod; 52. a first mounting plate; 53. a first motor; 54. a first rotary drum; 55. a second rotary drum; 56. abrasive belt; 57. an adjusting device; 571. a sleeve; 572. a threaded hole; 573. a bolt; 574. a second mounting plate; 575. a rotating rod; 58. a driving device; 581. a fixing plate; 582. a fixed pulley; 583. a vertical plate; 584. a cam; 585. a rope; 586. and a second motor.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1 and 2, a polishing machine for crankshafts comprises a machine body 1, wherein the machine body 1 is provided with a machine body for transverse clamping and fixing
Clamping device 2 of bent axle, clamping device 2 are three-jaw chuck, and lathe bed 1 one side is equipped with mounting bracket 3, and mounting bracket 3 is including setting up two montants 31 in lathe bed 1 one side, fixedly connected with horizontal pole 32 between two montants 31, and horizontal pole 32 is square tubular and conveniently fixes a position mobile device 4, avoids rocking, and the length of horizontal pole 32 is not less than the length of bent axle, and horizontal pole 32 and bent axle are parallel.
The mounting frame 3 is connected with a moving device 4 moving along the direction of the bed body 1 in a sliding manner, the moving device 4 comprises a sliding part 41 which is connected to the cross rod 32 in a sliding manner, the sliding part 41 comprises 4 rollers 42,4 which are arranged at two ends of the sliding part 41 and are rotatably connected with the sliding part 41, the 4 rollers 42 are in rolling connection with four sides of the square tubular cross rod 32, and the polishing device 5 is driven to move along the direction of the square tubular cross rod 32 in a non-power mode, so that energy is saved.
The polishing device 5 is arranged on the moving device 4, the polishing device 5 comprises a supporting rod 51 hinged with one end of the moving device 4, one end of the supporting rod 51 is fixedly connected with a first mounting plate 52, a motor is fixedly connected to the first mounting plate 52, an output shaft of the motor is fixedly connected with a first rotary drum 54, one end of the supporting rod 51, which is far away from the moving device 4, is provided with a second rotary drum 55, an abrasive belt 56 is wound between the first rotary drum 54 and the second rotary drum 55, an adjusting device 57 for driving the tensioning degree of the abrasive belt 56 is arranged on the second rotary drum 55, the adjusting device 57 comprises a sleeve 571 which is slidingly connected to the supporting rod 51, a threaded hole 572 is formed in the upper end of the sleeve 571, bolts 573 are connected to the upper ends of the threaded holes 572 in a threaded mode, the bolts 573 are fixedly connected with rotating rods 575, the bolts 573 are conveniently rotated, the lower ends of the sleeve 571 are fixedly connected with a second mounting plate 574, one end of the second mounting plate 574 is far away from the second rotary drum 55, the sleeve 571 is slidingly moves to a proper position according to the tensioning degree of abrasive cloth, the sleeve 571 is fixedly arranged on the supporting rod 51, the positions of the first sleeve 54 and the second rotary drum 55 are relatively fixed, the abrasive belt 55 are in the tensioning state, and the abrasive cloth is in a tensioning state, and the polishing effect is better and the operation is convenient.
The moving device 4 is provided with a driving device 58 for driving the abrasive belt 56 to approach or separate from a crankshaft, the driving device 58 comprises a fixed plate 581 fixedly connected to the moving device 4, one end of the fixed plate 581, which is far away from the moving device 4, is rotationally connected with a fixed pulley 582, one end of the fixed plate 581, which is far away from the moving device 4, is vertically and fixedly connected with a vertical plate 583, one end, which is far away from the fixed plate 581, of the vertical plate 583 is rotationally connected with a cam 584, a rope 585 is fixedly connected to the edge of the cam 584, which is far away from the cam 584, and the other end of the rope 585 is fixedly connected with the middle of the supporting rod 51 by winding the fixed pulley 582.
The working principle of the utility model is as follows:
in the initial state, the three-jaw chuck clamps the crankshaft, the edge of the cam 584 is at the upper side, one end of the rope 585, close to the cam 584, is at the lowest point in the vertical direction, the other end of the rope 585 lifts the supporting rod 51, the supporting rod 51 is far away from the crankshaft, the sliding piece 41 is manually moved along the cross rod 32, the polishing device 5 is moved to the upper side of the crankshaft main journal, the motor II 586 is started, the cam 584 is rotated, when the edge of the cam 584 is at the lowest point in the vertical direction, the rope 585 is at the highest point in the vertical direction, the other end of the rope 585 descends, the supporting rod 51 rotates around the sliding piece 41, meanwhile, the edge of the cam 584 is in contact with the supporting rod 51, the abrasive cloth is attached to the crankshaft main journal, the motor I53 is started, the abrasive cloth is driven to rotate, the crankshaft main journal is polished, after one section of the crankshaft main journal is finished, the motor II 586 is started, the motor is reversed, the cam 584 is rotated, when the edge of the cam 584 is rotated to the highest point, the rope 585 is at the lowest point in the vertical direction, the other end of the supporting rod 51 is rotated reversely, the sliding piece 41, the polishing device 5 is far away, the polishing device 5 is manually moved to the upper side of the crankshaft main journal, the crankshaft main journal is moved to the lower, and all operations are continued until the crankshaft main journals are finished.
Claims (8)
1. A polisher for crankshafts, characterized by: including lathe bed (1), be equipped with clamping device (2) that are used for horizontal centre gripping fixed bent axle on lathe bed (1), lathe bed (1) one side is equipped with mounting bracket (3), sliding connection has mobile device (4) along lathe bed (1) direction motion on mounting bracket (3), be equipped with burnishing device (5) on mobile device (4), burnishing device (5) include with mobile device (4) one end articulated bracing piece (51), bracing piece (51) one end fixedly connected with mounting panel one (52), fixedly connected with motor one (53) on mounting panel one (52), the output shaft fixedly connected with rotary drum one (54) of motor one (53), bracing piece (51) are kept away from mobile device (4) one end is equipped with rotary drum two (55), rotary drum one (54) with the round joint has abrasive band (56) between rotary drum two (55), be equipped with the drive on rotary drum two (55) abrasive band (56) tensioning degree's adjusting device (57), be equipped with the drive on mobile device (4) abrasive band (56) are close to or keep away from bent axle drive device (58).
2. A polisher for crankshafts as defined in claim 1, wherein: the driving device (58) comprises a fixed plate (581) fixedly connected to the moving device (4), the fixed plate (581) is far away from one end of the moving device (4) and is rotationally connected with a fixed pulley (582), the fixed plate (581) is far away from one end of the moving device (4) and is vertically fixedly connected with a vertical plate (583), the vertical plate (583) is far away from one end of the fixed plate (581) and is rotationally connected with a cam (584), the cam (584) is far away from the edge of the cam (584) and is fixedly connected with a rope (585), and the other end of the rope (585) is in winding connection with the fixed pulley (582) and is fixedly connected with the middle of the supporting rod (51).
3. A polisher for crankshafts as defined in claim 2, wherein: one side of the vertical plate (583) far away from the cam (584) is fixedly provided with a second motor (586), and an output shaft of the second motor (586) is fixedly connected with the edge of the cam (584) far away from the cam (584).
4. A polisher for crankshafts as defined in claim 1, wherein: the adjusting device (57) comprises a sleeve (571) which is connected to the supporting rod (51) in a sliding mode, a threaded hole (572) is formed in the upper end of the sleeve (571), a bolt (573) is connected in the threaded hole (572) in a threaded mode, a second mounting plate (574) is fixedly arranged at the lower end of the sleeve (571), and one end, far away from the sleeve (571), of the second mounting plate (574) is connected with the second rotating cylinder (55) in a rotating mode.
5. A polisher for crankshafts as defined in claim 4, wherein: the upper end of the bolt (573) is fixedly connected with a rotating rod (575).
6. A polisher for crankshafts as defined in claim 1, wherein: the mounting frame (3) comprises two vertical rods (31) arranged on one side of the lathe bed (1), a cross rod (32) is fixedly connected between the two vertical rods (31), and the cross rod (32) is square-tube-shaped.
7. A polisher for crankshafts as defined in claim 6, wherein: the moving device (4) comprises a sliding part (41) which is connected to the cross rod (32) in a sliding mode, the sliding part (41) comprises a plurality of rollers (42) which are arranged at two ends of the sliding part (41), the rollers (42) are rotationally connected with the sliding part (41), and the rollers (42) are in rolling connection with the cross rod (32).
8. A polisher for crankshafts as defined in claim 1, wherein: the clamping device (2) is a three-jaw chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431685.6U CN219967468U (en) | 2023-06-06 | 2023-06-06 | Polishing machine for crankshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431685.6U CN219967468U (en) | 2023-06-06 | 2023-06-06 | Polishing machine for crankshafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219967468U true CN219967468U (en) | 2023-11-07 |
Family
ID=88579693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321431685.6U Active CN219967468U (en) | 2023-06-06 | 2023-06-06 | Polishing machine for crankshafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219967468U (en) |
-
2023
- 2023-06-06 CN CN202321431685.6U patent/CN219967468U/en active Active
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