CN213827956U - Crankshaft eccentric fixture for processing eccentricity of crankshaft lathe - Google Patents
Crankshaft eccentric fixture for processing eccentricity of crankshaft lathe Download PDFInfo
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- CN213827956U CN213827956U CN202022819237.6U CN202022819237U CN213827956U CN 213827956 U CN213827956 U CN 213827956U CN 202022819237 U CN202022819237 U CN 202022819237U CN 213827956 U CN213827956 U CN 213827956U
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- crankshaft
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- 210000000078 claw Anatomy 0.000 claims abstract description 17
- 238000003754 machining Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model is suitable for the technical field of crankshaft eccentric clamps, and provides a crankshaft eccentric clamp for crankshaft lathe eccentricity processing, which comprises a rotating component, a clamp component and an adjusting component, wherein the rotating component comprises a machine case, a power component is fixedly installed in the machine case, one end of the machine case is provided with a fixed disc, the clamp component comprises a fixed case, the relative position of the machine case is provided with the fixed case, a rotating component is arranged in the fixed case, one end of the rotating component is fixedly connected with a turntable, one end of the turntable is provided with an eccentric hole, an ejector pin is detachably installed in the eccentric hole, one end of the fixed disc is fixedly installed with a triangular claw disc, the adjusting component comprises a slide rail, the fixed case is fixedly connected with the slide rail, a threaded rod is arranged in the slide rail, one end of the threaded rod is rotatably connected with the machine case, an operating component is rotatably installed in the slide rail, the operating component is meshed with the threaded rod, the utility model has the characteristics of simple structure is convenient for adjust, and the degree of accuracy is high.
Description
Technical Field
The utility model belongs to bent axle eccentric fixture field especially relates to a bent axle eccentric fixture that is used for bent axle car eccentricity to process.
Background
The eccentric fixture of crankshaft lathe is a special fixture for processing crankshaft crank neck. The existing eccentric clamp of the crankshaft lathe is used for processing a crank neck, a plurality of large-sized tool parts need to be hoisted, corrected and adjusted, the installation is complex, time and labor are wasted, and the cost for manufacturing the whole set of eccentric tool of the crankshaft lathe is extremely high.
When crankshafts with different sizes need to be machined in production, the adjusting mode is very troublesome, and after adjustment is finished, the head of the ejector pin is crisp due to the fact that the accuracy of adjustment is not accurate enough, the ejector pin is easy to damage, time is wasted, and the improvement of production efficiency is hindered.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bent axle eccentric fixture for bent axle car eccentricity processing aims at solving when the different bent axle of needs machining dimension when production, and the regulation mode is very troublesome, adjusts the back simultaneously, because the accuracy of adjusting is accurate inadequately, and the head of thimble is burnt crisp, damages the thimble easily, and very waste time has hindered the problem of production efficiency's improvement.
The utility model discloses a realize like this, a bent axle eccentric fixture for bent axle car eccentricity processing, including runner assembly, anchor clamps subassembly and adjusting part, the runner assembly includes quick-witted case, quick-witted incasement fixed mounting power part, machine case one end is equipped with the fixed disk, the anchor clamps subassembly includes the fixed box, quick-witted case relative position is equipped with the fixed box, be equipped with the rotation piece in the fixed box, rotate a one end fixed connection carousel, the eccentric orfice has been seted up to carousel one end, the detachable thimble of installing in the eccentric orfice, fixed disk one end fixed mounting triangle claw dish, adjusting part includes the slide rail, fixed box fixed connection slide rail, be equipped with the threaded rod in the slide rail, threaded rod one end is rotated and is connected quick-witted case, slide rail internal rotation installation operating parts, operating parts and threaded rod meshing.
Preferably, the power part comprises a motor, the motor is fixedly installed in the case, the motor is electrically connected with an external power supply, and the output end of the motor is fixedly connected with the fixed disc.
Preferably, the rotating part comprises a first bearing, a rotating hole is formed in the fixed box, the first bearing is arranged in the rotating hole, the rotating shaft is sleeved in the first bearing, and one end of the rotating shaft is fixedly connected with the rotating disc.
Preferably, one end of the thimble is provided with two opposite fixing holes, springs are arranged in the fixing holes, and a connecting piece is arranged between the fixing holes and is respectively and fixedly connected with the two springs.
Preferably, the operating part comprises a nut, the nut is limited in the slide rail, helical teeth are machined at one end of the nut, a reversing wheel is meshed at one end of the nut, and the reversing wheel is rotatably installed on the slide rail.
Preferably, one end of the reversing wheel is provided with a cross groove, and the reversing wheel is meshed with the crank through the cross groove.
Preferably, a fixing ring is fixedly mounted at one end of the case, a second bearing is fixedly mounted in the fixing ring, the outer wall of the second bearing is fixedly connected with the fixing ring, and the inner wall of the second bearing is fixedly connected with a threaded rod.
Preferably, the slide rail is internally and fixedly provided with a limiting seat, a limiting block is arranged in the limiting seat, one end of the nut is provided with an annular groove, and the limiting block is connected with the nut in a sliding manner through the annular groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a bent axle eccentric fixture for processing of bent axle car eccentricity, through setting up the adjusting part, when the different bent axles of processing size need be produced, the operating part is rotated, the operating part is connected with the nut meshing, and then drive the nut to rotate, the nut meshes with the threaded rod, because the nut is restricted in the slide rail, make the threaded rod move along the slide rail direction, the threaded rod is fixedly connected with the machine case, and then drive the machine case to move on the slide rail, and then adjust the distance between triangle claw dish and the thimble, need not to dismantle, operating part and nut are equipped with two simultaneously, the internal tooth pitch size of two different nuts is not of same size, make the threaded rod have two-stage different regulation mode, improve the accuracy of regulation, when having solved when needing to process the different bent axles of size during production, the regulation mode is very troublesome, after adjusting simultaneously, because the accuracy of regulation is not accurate enough, the head of the thimble is crisp, the thimble is easy to be damaged, time is wasted, and the improvement of the production efficiency is hindered.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the slide rail of the present invention;
FIG. 3 is an enlarged view of the point A of the present invention;
1. the device comprises a sliding rail, 2, a motor, 3, a case, 4, a fixed disc, 5, a triangular claw disc, 6, a fixed case, 7, a rotating shaft, 8, a first bearing, 9, a nut, 10, a reversing wheel, 11, a threaded rod, 12, a second bearing, 13, a limiting seat, 14, a connecting piece, 15, a rotating disc, 16, a thimble, 17 and a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an eccentric anchor clamps of bent axle for bent axle car eccentricity processing, including runner assembly, anchor clamps subassembly and adjusting part, runner assembly includes quick- witted case 3, 3 interior fixed mounting power parts of machine case, 3 one end of quick-witted case are equipped with fixed disk 4, the anchor clamps subassembly includes fixed box 6, 3 relative positions of quick-witted case are equipped with fixed box 6, be equipped with the rotation piece in the fixed box 6, rotate a one end fixed connection carousel 15, the eccentric orfice has been seted up to 15 one end of carousel, the detachable thimble 16 of installing in the eccentric orfice, 4 one end fixed mounting triangle claw dish 5 of fixed disk, adjusting part includes slide rail 1, 6 fixed connection slide rail 1 of fixed box, be equipped with threaded rod 11 in the slide rail 1, 11 one ends of threaded rod are rotated and are connected quick-witted case 3, the installation operating part in slide rail 1, the operating part meshes with threaded rod 11.
In the embodiment, by arranging the adjusting component, when crankshafts with different machining sizes need to be produced, the operating component is rotated, the operating component is meshed with the nut 9 and further drives the nut 9 to rotate, the nut 9 is meshed with the threaded rod 11, the threaded rod 11 moves along the direction of the slide rail 1 as the nut 9 is limited in the slide rail 1, the threaded rod 11 is fixedly connected with the case 3 and further drives the case 3 to move on the slide rail 1, the distance between the triangular claw disc 5 and the thimble 16 is adjusted without disassembly, meanwhile, the operating component and the nut 9 are provided with two different teeth, the internal tooth pitches of the two different nuts 9 are different in size, the threaded rod 11 has two different adjusting modes, the adjusting accuracy is improved, the problem that when crankshafts with different machining sizes need to be produced is solved, the adjusting modes are very troublesome, and after adjustment is carried out, the adjusting accuracy is not accurate enough, the head of the thimble 16 is crisp, which easily damages the thimble 16, thus wasting time and hindering the improvement of the production efficiency.
In this embodiment, one end of the crankshaft to be processed is first inserted into and fixed by three claw discs, the ejector pin 16 is aligned, the operating element is adjusted to fix the connecting hole at the other end of the workpiece with the ejector pin 16, the electric circuit of the motor 2 is started, the tool on the lathe is adjusted to process the crankshaft, the purpose of providing a power source is achieved, when the motor 2 rotates, the triangular claw disc 5 is fixedly connected with the motor 2, the triangular claw disc 5 is fixedly connected with the rotary disc 15 through the crankshaft workpiece, and then the rotary disc 15 is driven to rotate, one end of the rotary disc 15 is provided with the first bearing 8, the first bearing 8 is fixedly connected with the fixed box 6, the rotating performance of the rotating shaft 7 is improved when the rotating, when the eccentric distance of the crankshaft needs to be adjusted, one end of the connecting element 14 is pressed, the connecting element 14 is a lever mechanism in common knowledge, and then the part of the connecting element 14 embedded in the eccentric hole is returned to the ejector pin 16, so that the thimble 16 is separated from the constraint, the thimble 16 can be moved out of the eccentric hole, a proper eccentric hole is selected, one end of the connecting piece 14 is pressed, the thimble 16 is inserted into the eccentric hole, the connecting piece 14 is loosened, the connecting piece 14 is wedged with a blind hole reserved in the rotary table 15 under the action of the spring 17, so that the thimble 16 can be fixed on the rotary table 15, when the distance of the case 3 on the slide rail 1 needs to be adjusted, the reversing wheel 10 is rotated, the nut 9 is driven to rotate due to the meshing of the reversing wheel 10 and the nut 9 with the inclined teeth, the threaded rod 11 is driven to move along the slide rail 1 due to the fact that the nut 9 is limited in the slide rail 1, the threaded rod 11 is fixedly connected with the case 3, so that the case 3 is driven to move on the slide rail 1, so that the distance between the triangular claw disc 5 and the thimble 16 is adjusted, and the reversing wheel 10 and the nut, the threaded rod 11 has two different adjusting modes, the adjusting accuracy is improved, and when the distance does not need to be adjusted, in order to avoid that the three claw plates and the thimble 16 are loosened due to careless touch during processing, the crank is drawn out from the cross groove, when the adjustment is needed, the crank is inserted into the cross groove and wedged with the cross groove, so that the reversing wheel 10 can be rotated to achieve the purpose of adjusting the steering wheel, because the threaded rod 11 needs to rotate and is fixed on the case 3, and then one end of the case 3 is fixedly provided with the fixing ring, the second bearing 12 is fixedly arranged in the fixing ring, the outer wall of the second bearing 12 is fixedly connected with the fixing ring, the inner wall of the second bearing 12 is fixedly connected with the threaded rod 11, when the threaded rod 11 rotates, the second bearing 12 is driven to rotate, the second bearing 12 provides a medium for fixing the case 3 and the threaded rod 11 in a rotating mode, and the rotating performance of the threaded rod 11 is improved.
Further, the power part comprises a motor 2, the motor 2 is fixedly installed in the case 3, the motor 2 is electrically connected with an external power supply, and the output end of the motor 2 is fixedly connected with a fixed disc 4.
In this embodiment, one end of the crankshaft to be machined is inserted into the three claw plates and fixed, the thimble 16 is aligned, the operating element is adjusted to fix the connecting hole at the other end of the workpiece with the thimble 16, the motor 2 circuit is started, the tool on the lathe is adjusted to machine the crankshaft, and the purpose of providing a power source is achieved.
Further, the rotating part comprises a first bearing 8, a rotating hole is formed in the fixing box 6, the first bearing 8 is arranged in the rotating hole, the rotating shaft 7 is sleeved in the first bearing 8, and one end of the rotating shaft 7 is fixedly connected with the rotating disc 15.
In this embodiment, when motor 2 rotates, triangle claw dish 5 and motor 2 fixed connection, triangle claw dish 5 passes through bent axle work piece and 15 fixed connection of carousel, and then drives carousel 15 and rotate, and 15 one ends of carousel are equipped with first bearing 8, and first bearing 8 and fixed case 6 fixed connection improve the rotation performance of pivot 7 when rotating.
Furthermore, one end of the thimble 16 is provided with two opposite fixing holes, springs 17 are arranged in the fixing holes, a connecting piece 14 is arranged between the fixing holes, and the connecting piece 14 is respectively and fixedly connected with the two springs 17.
In this embodiment, when the eccentricity of the crankshaft needs to be adjusted, one end of the connecting element 14 is pressed, the connecting element 14 is a lever mechanism in the common knowledge, and the portion of the connecting element 14 embedded in the eccentric hole is returned to the thimble 16, so that the thimble 16 is separated from the constraint, the thimble 16 can be moved out of the eccentric hole, and a suitable eccentric hole is selected, one end of the connecting element 14 is pressed, the thimble 16 is inserted into the eccentric hole, the connecting element 14 is released, the connecting element 14 is wedged with a reserved blind hole in the rotary table 15 under the action of the spring 17, and the thimble 16 can be fixed on the rotary table 15.
Furthermore, the operating part comprises a nut 9, the nut 9 is limited in the slide rail 1, helical teeth are machined at one end of the nut 9, a reversing wheel 10 is meshed at one end of the nut 9, and the reversing wheel 10 is rotatably mounted on the slide rail 1.
In this embodiment, when the distance of the case 3 on the slide rail 1 needs to be adjusted, the reversing wheel 10 is rotated, the reversing wheel 10 is engaged with the nut 9 with the helical teeth, so as to drive the nut 9 to rotate, the nut 9 is limited in the slide rail 1, so that the threaded rod 11 moves along the direction of the slide rail 1, the threaded rod 11 is fixedly connected with the case 3, so as to drive the case 3 to move on the slide rail 1, so as to adjust the distance between the triangular claw disc 5 and the thimble 16, meanwhile, the reversing wheel 10 and the nut 9 are provided with two parts, and the internal tooth pitches of the two different nuts 9 are different in size, so that the threaded rod 11 has two different adjusting modes, and the adjusting accuracy is improved.
Furthermore, a cross groove is formed in one end of the reversing wheel 10, and the reversing wheel 10 is meshed with the crank through the cross groove.
In this embodiment, when the adjustment of the distance is not required, the crank is pulled out from the cross recess to avoid the three claw plates from being loosened from the thimble 16 due to careless contact during the processing, and when the adjustment is required, the crank is inserted into the cross recess to be engaged with the cross recess, so that the steering wheel 10 can be rotated to adjust the steering wheel.
Further, a fixing ring is fixedly installed at one end of the case 3, a second bearing 12 is fixedly installed in the fixing ring, the outer wall of the second bearing 12 is fixedly connected with the fixing ring, and the inner wall of the second bearing 12 is fixedly connected with the threaded rod 11.
In this embodiment, because threaded rod 11 needs to rotate, will fix again on quick-witted case 3, and then 3 one end fixed mounting of quick-witted case solid fixed ring, fixed ring internal fixed mounting has second bearing 12, the solid fixed ring of 12 outer wall fixed connection of second bearing, 12 inner wall fixed connection threaded rod 11 of second bearing, when threaded rod 11 rotates, drives second bearing 12 and rotates, and second bearing 12 provides the rotation fixed media for quick-witted case 3 and threaded rod 11, improves threaded rod 11's rotation performance.
Further, a limiting seat 13 is fixedly installed in the slide rail 1, a limiting block is arranged in the limiting seat 13, an annular groove is formed in one end of the nut 9, and the limiting block is connected with the nut 9 in a sliding mode through the annular groove.
In this embodiment, in order to ensure that the threaded rod 11 drives the case 3 to move in the slide rail 1, the position of the nut 9 in the slide rail 1 needs to be limited, the limiting seat 13 is fixedly installed in the slide rail 1, a limiting block is arranged in the limiting seat 13, an annular groove is formed in one end of the nut 9, the limiting seat 13 limits the movement of the nut 9 in the horizontal direction, the limiting block passes through the annular groove sliding connection nut 9, when the nut 9 rotates, the sliding block slides in the annular groove, and the nut 9 is convenient to rotate.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a bent axle eccentric clamping utensil for bent axle car eccentricity processing, includes runner assembly, anchor clamps subassembly and adjusting part, the runner assembly includes quick-witted case (3), quick-witted case (3) internal fixation power spare, quick-witted case (3) one end is equipped with fixed disk (4), the anchor clamps subassembly includes fixed case (6), quick-witted case (3) relative position is equipped with fixed case (6), be equipped with in fixed case (6) and rotate the piece, rotate a one end fixed connection carousel (15), eccentric hole has been seted up to carousel (15) one end, eccentric downthehole detachable thimble (16) of installing, fixed disk (4) one end fixed mounting triangle claw dish (5), its characterized in that: the adjusting component comprises a sliding rail (1), a fixed box (6) is fixedly connected with the sliding rail (1), a threaded rod (11) is arranged in the sliding rail (1), one end of the threaded rod (11) is rotatably connected with the case (3), an operating part is rotatably installed in the sliding rail (1), and the operating part is meshed with the threaded rod (11).
2. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: the power part comprises a motor (2), the motor (2) is fixedly installed in the case (3), the motor (2) is electrically connected with an external power supply, and the output end of the motor (2) is fixedly connected with a fixed disc (4).
3. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: the rotating member comprises a first bearing (8), a rotating hole is formed in the fixed box (6), the first bearing (8) is arranged in the rotating hole, a rotating shaft (7) is sleeved in the first bearing (8), and one end of the rotating shaft (7) is fixedly connected with the rotating disc (15).
4. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: two opposite fixing holes are formed in one end of the ejector pin (16), springs (17) are arranged in the fixing holes, a connecting piece (14) is arranged between the fixing holes, and the connecting piece (14) is fixedly connected with the two springs (17) respectively.
5. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: the operating parts comprise nuts (9), the nuts (9) are limited in the sliding rails (1), helical teeth are machined at one ends of the nuts (9), reversing wheels (10) are meshed at one ends of the nuts (9), and the reversing wheels (10) are rotatably mounted on the sliding rails (1).
6. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: one end of the reversing wheel (10) is provided with a cross groove, and the reversing wheel (10) is meshed with the crank through the cross groove.
7. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 1, wherein: case (3) one end fixed mounting is solid fixed ring, gu fixed ring intra-annular fixed mounting has second bearing (12), solid fixed ring of second bearing (12) outer wall fixed connection, second bearing (12) inner wall fixed connection threaded rod (11).
8. The eccentric clamping apparatus of crankshaft for crankshaft lathe eccentricity machining according to claim 5, wherein: the slide rail (1) is internally and fixedly provided with a limiting seat (13), a limiting block is arranged in the limiting seat (13), one end of the nut (9) is provided with an annular groove, and the limiting block is connected with the nut (9) in a sliding mode through the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819237.6U CN213827956U (en) | 2020-11-30 | 2020-11-30 | Crankshaft eccentric fixture for processing eccentricity of crankshaft lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022819237.6U CN213827956U (en) | 2020-11-30 | 2020-11-30 | Crankshaft eccentric fixture for processing eccentricity of crankshaft lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213827956U true CN213827956U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022819237.6U Expired - Fee Related CN213827956U (en) | 2020-11-30 | 2020-11-30 | Crankshaft eccentric fixture for processing eccentricity of crankshaft lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213827956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910162A (en) * | 2021-11-25 | 2022-01-11 | 中车大连机车车辆有限公司 | Device and method for mounting and dismounting high-elastic coupler of diesel generator set |
-
2020
- 2020-11-30 CN CN202022819237.6U patent/CN213827956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910162A (en) * | 2021-11-25 | 2022-01-11 | 中车大连机车车辆有限公司 | Device and method for mounting and dismounting high-elastic coupler of diesel generator set |
| CN113910162B (en) * | 2021-11-25 | 2024-02-02 | 中车大连机车车辆有限公司 | Device and method for installing and detaching high-elastic coupling of diesel generating set |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |