CN212793227U - Crankshaft machining machine tool based on milling instead of turning - Google Patents
Crankshaft machining machine tool based on milling instead of turning Download PDFInfo
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- CN212793227U CN212793227U CN202020631831.XU CN202020631831U CN212793227U CN 212793227 U CN212793227 U CN 212793227U CN 202020631831 U CN202020631831 U CN 202020631831U CN 212793227 U CN212793227 U CN 212793227U
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Abstract
The utility model relates to the technical field of numerical control machine tools, in particular to a machine tool for processing crankshafts based on turning by milling, which comprises a body of a numerical control milling machine, wherein the left side and the right side of the body are respectively and rotatably provided with a first fixed chuck, each first fixed chuck is provided with an adjusting device, the adjusting device comprises a fixed seat, an eccentric adjusting mechanism and a second fixed chuck, the eccentric adjusting mechanism comprises a slide block, an adjusting lead screw and a locking clamp, the fixed seat is in a cylindrical arrangement, one end of the fixed seat is in locking connection with the corresponding fixed chuck, the end surface of the other end of the fixed seat is provided with a slide groove in the diameter direction, the slide block is slidably arranged in the slide groove, the adjusting lead screw is rotatably arranged in the slide groove, one end of the adjusting lead screw extends out of the slide groove to the outside of the side surface of the, and the eccentric end of the crankshaft is subjected to shaft center machining, so that the machining precision is improved.
Description
Technical Field
The utility model relates to a digit control machine tool technical field, specific field is based on the lathe is used in order to mill the crankshaft machining of taking the place of the car.
Background
The crankshaft machining follows the machining principle of firstly machining the surface and then the hole, firstly machining the main surface and then the secondary surface, and firstly performing rough machining and then performing finish machining, firstly machining the two end surfaces by using a numerical control milling machine, and determining a reference surface for subsequent machining;
carry out high accuracy processing for main journal and connecting rod neck in the bent axle course of working, need set up alone to the digit control machine tool to the processing of the eccentric connecting rod neck of adaptation bent axle, but because of the connecting rod neck is eccentric settings, when bent axle rotates, bent axle and cutter spare produce the vibration because of the movement gap, easily make the life of cutter short excessively, and reduced the machining precision of bent axle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a can improve machining precision based on with milling the lathe for the processing of bent axle of turning.
In order to achieve the above object, the utility model provides a following technical scheme: a machine tool for machining crankshafts based on turning by milling comprises a body of a numerical control milling machine, wherein first fixed chucks are respectively rotatably installed on the left side and the right side of the body, each first fixed chuck is provided with an adjusting device, each adjusting device comprises a fixed seat, an eccentric adjusting mechanism and a second fixed chuck, each eccentric adjusting mechanism comprises a sliding block, an adjusting lead screw and a locking clamp, the fixed seats are arranged in a cylindrical manner, one end of each fixed seat is in locking connection with the corresponding fixed chuck, the end surface of the other end of each fixed seat is provided with a sliding groove in the diameter direction, the sliding blocks are slidably installed in the sliding grooves, the adjusting lead screws are rotatably installed in the sliding grooves, one ends of the adjusting lead screws extend out of the sliding grooves to the outside of the side surfaces of the fixed seats, one side end surfaces of the fixed seats facing the first fixed chucks and, the locking clamp is arranged in the mounting groove, the locking clamp is sleeved on the adjusting screw rod arranged in the mounting groove, and the fixed chuck is fixedly mounted on the sliding block.
Preferably, the end face of one end of the adjusting screw rod, which extends out of the outer side of the fixing seat, is provided with an inner hexagonal groove, and the inner hexagonal groove is matched with an external hexagonal wrench for use.
Preferably, the bottom of the inner hexagonal groove is provided with a powerful magnet, and after the hexagonal wrench is matched with the inner hexagonal groove, the powerful magnet can adsorb the hexagonal wrench by magnetic force.
Preferably, the both sides wall of spout is provided with the slide respectively, be provided with the draw runner corresponding to corresponding slide department on the both sides face of slider respectively, draw runner sliding fit is in the slide.
Preferably, the fixing base is provided with the sign scale on the direction of edge spout on the terminal surface of one side of fixed chuck two, the surface of slider be provided with corresponding to the sign scale with sign scale complex sign pointer.
Preferably, a driving shaft is arranged on the body corresponding to one of the fixed chucks, the fixed chuck is arranged on the driving shaft, and the body is further provided with a driving motor for driving the driving shaft to rotate.
Preferably, a driven shaft is arranged on the body corresponding to one position of the other fixed chuck, and the fixed chuck at the position is arranged on the driven shaft.
Preferably, the four side walls of the sliding groove are provided with annular grooves corresponding to the opening of the sliding groove, the sliding block is divided into a first opening and a second opening for the opening of the sliding groove, the first opening and the second opening are internally provided with the same elastic corrugated sealing covers respectively, and the edges of the elastic corrugated sealing covers are embedded in the annular grooves.
Preferably, the locking clamp comprises two half-moon-shaped clamps which are symmetrically matched, two bolts, two driven gears, a driving gear and a rotating shaft, the adjusting screw rod is positioned between the two half-moon-shaped clamps, the two bolts are rotatably arranged in the mounting groove, the same side ends of the two half-moon-shaped clamps are in threaded fit with the same bolt, the threads on the two bolts are arranged in the same forward and reverse threads, the forward thread on the bolt is in threaded fit with the half-moon-shaped clamp, the reverse thread on the bolt is in threaded fit with the other half-moon-shaped clamp, the two driven gears are respectively and fixedly arranged at the corresponding bolt ends, the rotating shaft is rotatably arranged at one side end of the fixed seat facing the fixed chuck one, and the pivot stretches into in the mounting groove towards the one end of fixed chuck two, and driving gear fixed mounting is arranged one of mounting groove in the pivot and is served, and driving gear and two driven gear mesh simultaneously.
Preferably, the end face of one end of the rotating shaft, which is arranged outside the fixed seat, is provided with an adjusting groove, and an external operating wrench is matched with the adjusting groove.
Compared with the prior art, the beneficial effects of the utility model are that: by eccentrically adjusting the two fixing chucks II, when two ends of the crankshaft are installed on the fixing chucks II, the connecting rod necks of the crankshaft can be arranged in the same straight line corresponding to the shaft center between the fixing chucks I, so that the numerically-controlled machine tool can mill the connecting rod necks of the crankshaft;
the connecting rod neck rotates in the axial center with the fixed chuck I, so that the phenomenon that the eccentric motion of the connecting rod neck causes the vibration of a motion gap between the connecting rod neck and the cutter is avoided, the service life of the cutter is shortened, and meanwhile, the stable axial center of the connecting rod neck rotates, so that the machining precision of the cutter on the connecting rod neck can be improved;
through the matched arrangement of the slide way and the slide bar, the sliding stability of the slide block in the slide groove can be structurally improved, and the jump collision damage to the adjusting screw rod when the slide block slides in the slide groove can be avoided;
through the arrangement of the locking clamp, the adjusting screw rod can be locked after the adjusting screw rod rotates, so that the situation that the eccentric adjustment of the crankshaft is unstable and the machining precision of the connecting rod neck is reduced due to the fact that the sliding block moves in the sliding groove due to the shaking of the adjusting screw rod is avoided;
through the arrangement of the elastic corrugated sealing cover, the opening of the sliding chute can be sealed, and the situation that the turning chips are bounced into the sliding chute to clamp the sliding block in the process of machining the crankshaft by a machine tool is avoided;
through the setting of sign scale and sign pointer, when can make things convenient for slider eccentric adjustment, improve the regulation precision and reduce and adjust complex operation nature.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a side view of the fixing base of the present invention;
FIG. 3 is a side view of the sliding groove in the fixing base of the present invention;
FIG. 4 is a front sectional view of the sliding groove in the fixing base of the present invention;
FIG. 5 is a side sectional view of the sliding groove in the fixing base of the present invention;
fig. 6 is a sectional view of the mounting groove in the fixing base of the present invention.
In the figure: 1. a body; 2. fixing a first chuck; 3. fixing a chuck II; 4. a fixed seat; 5. a slider; 6. Adjusting the lead screw; 7. a half-moon shaped clamp; 8. a bolt; 9. a driven gear; 10. a driving gear; 11. a rotating shaft 12 and a chute; 13. a slideway; 14. a slide bar; 15. mounting grooves; 16. an inner hexagonal groove; 17. a strong magnet; 18. marking scales; 19. identifying a pointer; 20. a drive motor; 21. a drive shaft; 22. a driven shaft; 23. a ring groove; 24. an elastic corrugated cover; 25. and (4) adjusting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a lathe for processing of bent axle based on replace car with milling, includes numerically controlled fraise machine's body 1, the left and right sides of body 1 rotates respectively and installs fixing chuck one 2, all is provided with adjusting device on every fixing chuck one 2, adjusting device includes fixing base 4, eccentric adjustment mechanism and fixing chuck two 3, eccentric adjustment mechanism includes slider 5, adjusts lead screw 6 and locking clamp 7, fixing base 4 is cylindrical setting, and the one end of fixing base 4 and the one 2 locking joint of the fixing chuck that corresponds are provided with spout 12 on its diameter direction of the other end terminal surface of fixing base 4, 5 slidable mounting of slider are in spout 12, adjust lead screw 6 and rotate and install in spout 12, and the one end of adjusting lead screw 6 stretches out spout 12 outside to the side of fixing base 4, fixing base 4 is provided with mounting groove 15 towards one side end department that fixing chuck one 2 on the side terminal surface of fixing chuck one, corresponding to adjusting lead screw 6 stretches out fixing base 4 outside Locking clamp 7 sets up in mounting groove 15, and locking clamp 7 cover is established and is served at the regulation lead screw 6 of arranging in mounting groove 15, fixed chuck two 3 fixed mounting is on slider 5.
The end face of one end of the adjusting screw 6 extending out of the fixed seat 4 is provided with an inner hexagonal groove 16, and the inner hexagonal groove 16 is matched with an external hexagonal wrench for use.
The bottom of the inner hexagonal groove 16 is provided with a powerful magnet 17, and after the hexagonal wrench is matched with the inner hexagonal groove 16, the powerful magnet 17 can adsorb the hexagonal wrench by magnetic force.
The two side walls of the sliding groove 12 are respectively provided with a slideway 13, the two side surfaces of the sliding block 5 are respectively provided with a sliding strip 14 corresponding to the corresponding slideway 13, and the sliding strips 14 are in sliding fit in the slideways 13.
Be provided with identification scale 18 on the direction of fixing base 4 towards one side terminal surface of fixed chuck two 3 along spout 12, the surface of slider 5 is provided with corresponding to identification scale 18 with identification scale 18 complex sign pointer 19, for the convenience observes the shift position of slider 5, carries out length setting with sign pointer 19 on the slider 5 for sign pointer 19 one end is located the outside of fixed chuck two 3, and identification scale 18 on the fixing base 4 also is located the outside of fixed chuck two 3 simultaneously.
A driving shaft 21 is arranged on the body 1 corresponding to one of the fixed chucks I2, the fixed chuck I2 is arranged on the driving shaft 21, and a driving motor 20 for driving the driving shaft 21 to rotate is further arranged on the body 1.
A driven shaft 22 is arranged on the body 1 corresponding to the other fixed chuck I2, and the fixed chuck I2 is arranged on the driven shaft 22.
The locking clamp 7 comprises two half-moon-shaped clamps 7 which are symmetrically matched, two bolts 8, two driven gears 9, a driving gear 10 and a rotating shaft 11, the adjusting screw rod 6 is positioned between the two half-moon-shaped clamps 7, the two bolts 8 are rotatably installed in the installation groove 15, the same side ends of the two half-moon-shaped clamps 7 are in threaded fit with the same bolt 8, the threads on the two bolts 8 are in the same forward and reverse threaded arrangement, the forward thread on the bolt 8 is in threaded fit with the half-moon-shaped clamp 7, the reverse thread on the bolt 8 is in threaded fit with the other half-moon-shaped clamp 7, the two driven gears 9 are respectively and fixedly installed on one end of the corresponding bolt 8, the rotating shaft 11 is rotatably installed on one side end of the fixing seat 4 facing the first fixing chuck 2, the rotating shaft 11 extends into the installation groove 15 towards one end of the second fixing chuck 3, the driving gear 10 is fixedly installed on one end of the rotating, and the driving gear 10 is simultaneously engaged with the two driven gears 9.
The one end terminal surface that fixing base 4 outside was arranged in to pivot 11 is provided with adjustment tank 25, and external operation spanner sets up with the cooperation of adjustment tank 25, and adjustment tank 25 is hexagonal recess 16 in, can match with adjustment tank 25 through the hexagonal spanner for be used for the countershaft 11 to rotate, be used for adjusting half moon-shaped clamp 7, make the clamp through two half moon-shaped clamps 7 press from both sides tightly lock adjusting screw 6.
Through the technical scheme, in the specific implementation process, the slide block 5 is internally provided with a lead screw thread, the adjusting lead screw 6 is in threaded fit with the lead screw, and the slide block 5 can be driven to move in the sliding groove 12 by the rotation of the adjusting lead screw 6;
when the sliding block 5 moves in the sliding chute 12, the elastic corrugated sealing cover 24 on one side can be compressed to be shortened, and the elastic corrugated sealing cover 24 on the other side extends under the action of the elasticity of the elastic corrugated sealing cover 24, so that the two elastic corrugated sealing covers 24 can always seal the opening of the sliding chute 12;
in order to facilitate the installation of the locking clamp 7 mechanism, an opening communicated with the installation groove 15 is arranged on one side end surface of the fixed seat 4 facing the fixed chuck I2, a fixed block is detachably installed at the opening, the rotating shaft 11 is rotatably installed on the fixed block, two positioning holes are arranged on one side surface of the fixed block facing the installation groove 15, two same positioning holes are arranged at the bottom of the installation groove 15, the positioning holes on the fixed block and the positioning holes in the installation groove 15 are in one-to-one correspondence, a bolt 8 is arranged between each corresponding positioning hole, two ends of the bolt 8 are respectively rotatably arranged in the corresponding positioning holes, after the fixed block is matched and fixed with the opening, the bolt 8 can be rotatably positioned in the installation groove 15, before the bolt 8 is installed, the half-moon-shaped clamp 7 is firstly arranged on the bolt 8, and then the other half-moon-shaped clamp 7 is, after the adjusting screw rod 6 is positioned between the two half-moon-shaped clamps 7, the two half-moon-shaped clamps 7 are subjected to position adjustment on the bolt 8, so that the half-moon-shaped clamps 7 are positioned on the forward threads, the other half-moon-shaped clamps 7 are positioned on the reverse threads, the two driven gears 9 are respectively fixed at the same positions of one ends of the bolt 8, the driving gear 10 on the rotating shaft 11 can be respectively and simultaneously meshed with the two driven gears 9, and when the rotating shaft 11 is rotated, the driving gear 10 can drive the two driven gears 9 to rotate clockwise or anticlockwise in the same direction, so that the bolt 8 can adjust the two half-moon-shaped clamps 7 to be close to or far away from each other;
in the using process, firstly, the rotating shaft 11 is rotated through a hexagonal wrench, so that the rotating shaft 11 drives the driving gear 10 to rotate, the driving gear 10 drives the driven gear 9 to rotate, then the driven gear 9 drives the bolt 8 to rotate, and the two half-moon-shaped clamps 7 are mutually far away due to the arrangement of the forward and reverse bolts 8 on the bolt 8, so that the two half-moon-shaped clamps 7 loosen the adjusting screw 6, and the adjusting screw 6 can be rotationally adjusted;
then the adjusting screw 6 is driven to rotate by rotating the hexagonal wrench through the matching of the hexagonal wrench and the inner hexagonal groove 16 on the adjusting screw 6, the adjusting screw 6 drives the slide block 5 to slide in the chute 12, and the eccentric distance of the connecting rod neck of the crankshaft is measured in advance, then, according to the measured data, through the observation of the scales 18 and the pointer 19 on the sliding block 5 and the fixed seat 4, so that the slide block 5 is moved to an eccentric adjustment distance consistent with the measured data, and then the half-moon-shaped clamp 7 is adjusted by a hexagonal wrench, the adjusting screw 6 is locked to prevent the adjusting screw 6 from rotating, and after the sliding block 5 is locked, and (3) carrying out the same steps and parameter adjustment on the eccentric mechanism on the other side, and then respectively fixing two crankshafts to be processed on the corresponding fixing chucks II 3, so that connecting rod necks of the crankshafts can be arranged corresponding to the shaft centers between the fixing chucks I2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a bent axle processing is with lathe based on replace turning with milling, includes numerically controlled fraise machine's body, its characterized in that: the left side and the right side of the body are respectively provided with a first fixed chuck in a rotating way, each first fixed chuck is provided with an adjusting device, the adjusting device comprises a fixed seat, an eccentric adjusting mechanism and a second fixed chuck, the eccentric adjusting mechanism comprises a slide block, an adjusting screw rod and a locking clamp, the fixed seat is arranged in a cylindrical way, one end of the fixed seat is in locking connection with the corresponding fixed chuck, the end surface of the other end of the fixed seat is provided with a chute in the diameter direction, the slide block is arranged in the chute in a sliding way, the adjusting screw rod is rotatably arranged in the chute, one end of the adjusting screw rod extends out of the chute to the outside of the side surface of the fixed seat, one end of the fixed seat facing the first fixed chuck is provided with a mounting groove corresponding to one end part of the adjusting screw rod extending out of the fixed seat, the locking clamp is, and the second fixed chuck is fixedly arranged on the sliding block.
2. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the adjusting screw rod is provided with an inner hexagonal groove in the end face extending out of the outer side of the fixing seat, and the inner hexagonal groove is matched with an external hexagonal wrench for use.
3. The machine tool for machining a crankshaft based on turning instead of milling according to claim 2, characterized in that: the bottom of the inner hexagonal groove is provided with a powerful magnet, and after the hexagonal wrench is matched with the inner hexagonal groove, the powerful magnet can adsorb the hexagonal wrench by magnetic force.
4. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the both sides wall of spout is provided with the slide respectively, be provided with the draw runner corresponding to corresponding slide department on the both sides face of slider respectively, draw runner sliding fit is in the slide.
5. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the fixing base is provided with the sign scale on the direction along the spout on the terminal surface of one side of fixed chuck two, the surface of slider be provided with corresponding to the sign scale with sign scale complex sign pointer.
6. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the body is provided with a driving shaft corresponding to one of the fixed chucks, the fixed chuck at the position is arranged on the driving shaft, and the body is also provided with a driving motor for driving the driving shaft to rotate.
7. The machine tool for machining a crankshaft based on turning instead of milling according to claim 6, characterized in that: the body is provided with a driven shaft corresponding to one position of the other fixed chuck, and the fixed chuck at the position is arranged on the driven shaft.
8. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the four side walls of the sliding groove are provided with annular grooves corresponding to the opening of the sliding groove, the sliding block is divided into a first opening and a second opening for the opening of the sliding groove, the first opening and the second opening are internally provided with the same elastic corrugated sealing covers respectively, and the edges of the elastic corrugated sealing covers are embedded in the annular grooves.
9. The machine tool for machining a crankshaft based on turning instead of milling according to claim 1, characterized in that: the locking clamp comprises two half-moon-shaped clamps which are symmetrically matched, two bolts, two driven gears, a driving gear and a rotating shaft, the adjusting screw rod is positioned between the two half-moon-shaped clamps, the two bolts are rotatably arranged in the mounting groove, the same side ends of the two half-moon-shaped clamps are in threaded fit with the same bolt, the threads on the two bolts are arranged in the same forward and reverse threads, the forward thread on the bolt is in threaded fit with the half-moon-shaped clamp, the reverse thread on the bolt is in threaded fit with the other half-moon-shaped clamp, the two driven gears are respectively and fixedly arranged at the corresponding bolt ends, the rotating shaft is rotatably arranged at one side end of the fixed seat facing the fixed chuck one, and the pivot stretches into in the mounting groove towards the one end of fixed chuck two, and driving gear fixed mounting is arranged one of mounting groove in the pivot and is served, and driving gear and two driven gear mesh simultaneously.
10. The machine tool for machining a crankshaft based on turning with milling according to claim 9, characterized in that: the one end terminal surface that the fixing base outside was arranged in to the pivot is provided with the adjustment tank, and external operation spanner sets up with the adjustment tank cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631831.XU CN212793227U (en) | 2020-04-24 | 2020-04-24 | Crankshaft machining machine tool based on milling instead of turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631831.XU CN212793227U (en) | 2020-04-24 | 2020-04-24 | Crankshaft machining machine tool based on milling instead of turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793227U true CN212793227U (en) | 2021-03-26 |
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ID=75079570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020631831.XU Active CN212793227U (en) | 2020-04-24 | 2020-04-24 | Crankshaft machining machine tool based on milling instead of turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212793227U (en) |
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2020
- 2020-04-24 CN CN202020631831.XU patent/CN212793227U/en active Active
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