CN220007367U - Phase adjustment module and clamping device for crankshaft grinding - Google Patents
Phase adjustment module and clamping device for crankshaft grinding Download PDFInfo
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- CN220007367U CN220007367U CN202321698984.6U CN202321698984U CN220007367U CN 220007367 U CN220007367 U CN 220007367U CN 202321698984 U CN202321698984 U CN 202321698984U CN 220007367 U CN220007367 U CN 220007367U
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- 238000003754 machining Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 description 4
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- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to machining equipment, and particularly discloses a phase adjustment module and a clamping device for crankshaft grinding machining. The phase adjustment module at least comprises a base, a coarse adjustment assembly, a fine adjustment assembly and a connecting piece, wherein the coarse adjustment assembly comprises an adjustment seat and a positioning unit, the adjustment seat is rotatably and movably connected with the base, and the positioning unit is used for limiting the circumferential position of the adjustment seat relative to the base; the fine adjustment assembly comprises a sliding block and a fine adjustment execution unit, the sliding block is in sliding connection with the adjustment seat, the fine adjustment execution unit is used for driving the sliding block to slide relative to the adjustment seat, and the sliding direction of the sliding block is limited to be perpendicular to the radial direction of the adjustment seat or to be inclined; the sliding block is provided with a sliding groove, the connecting piece is arranged in the sliding groove in a sliding mode, and the connecting piece extends out of the sliding groove. The phase adjustment module can realize higher-precision limit adjustment in a coarse-fine adjustment combined mode.
Description
Technical Field
The utility model relates to machining equipment, in particular to a phase adjustment module and a clamping device for crankshaft grinding machining.
Background
The crankshaft is the most important component in an engine, and is used for connecting with a connecting rod and outputting power transmitted by the connecting rod to other components. The crankshaft is subjected to the combined action of centrifugal force caused by self mass distribution and connecting rod transmission load during the operation of the crankshaft, so that the crankshaft is subjected to bending and torsion load, and the strength and the rigidity, the wear resistance of the journal surface and the balance are required to be fully considered during the design and the processing of the crankshaft. Meanwhile, in a double-cylinder or multi-cylinder engine, a plurality of corresponding journals of the crankshaft are arranged according to a certain phase difference between different journals in order to match the work of each cylinder, and the precision of the phase difference is critical to the stable and efficient work of the engine.
The phase difference precision control difficulty of the crankshaft journal is larger, the existing phase adjustment module can only realize the precision adjustment of +/-5', for example, the Chinese patent crank grinding indexing fixture with the authority of CN 101357446B discloses a phase adjustment module in the crank grinding process, but the phase adjustment module is difficult to realize the phase precision control with higher precision.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a phase adjustment module and a clamping device for crank shaft grinding processing, which can realize higher-precision limit adjustment in a mode of combining rough adjustment and fine adjustment.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a phase adjustment module for crankshaft grinding processing, comprising at least:
a base;
the coarse adjustment assembly comprises an adjustment seat and a positioning unit, the adjustment seat is rotatably and movably connected with the base, and the positioning unit is used for limiting the circumferential position of the adjustment seat relative to the base;
the fine tuning assembly comprises a sliding block and a fine tuning execution unit, the sliding block is in sliding connection with the adjusting seat, the fine tuning execution unit is used for driving the sliding block to slide relative to the adjusting seat, and the sliding direction of the sliding block is limited to be perpendicular to the radial direction of the adjusting seat or inclined; the sliding block is provided with a sliding groove, and the extending direction of the sliding groove is limited to be perpendicular to or inclined to the sliding direction of the sliding block relative to the adjusting seat;
and the connecting piece is arranged in the chute in a sliding way, and part of the connecting piece extends out of the chute.
The connecting piece is used for being connected with the crankshaft, and in the process of adjusting seat rotation and sliding of the sliding block, the connecting piece can drive the crankshaft to rotate and adjust. The coarse adjustment component can achieve phase precision adjustment of +/-5 ', the fine adjustment component can achieve phase precision adjustment of +/-1', and limit adjustment with higher precision can be achieved through a coarse adjustment and fine adjustment combination mode.
Preferably, the adjusting seat is provided with a plurality of positioning notches in the circumferential direction; the positioning unit is arranged on the base and corresponds to the positioning notch.
Preferably, the positioning notches are annularly and uniformly distributed around the rotation center of the adjusting seat.
And corresponding positioning notches with different numbers are arranged for crankshafts with different numbers of shafts.
Preferably, one side surface of the positioning notch is a positioning surface, the other side surface of the positioning notch is a pressing surface, the positioning surface and the pressing surface are oppositely arranged along the rotation direction of the adjusting seat, and the distribution directions of the positioning surface and the pressing surface in each positioning notch are the same; the pressing surface is arranged obliquely outwards relative to the diameter direction, and the positioning surface extends along the radial direction;
the positioning unit comprises a positioning piece and a pressing piece, wherein the positioning piece is arranged along the radial direction of the adjusting seat towards the positioning notch and is connected with the base through an elastic piece; the pressing piece is arranged towards the positioning notch, and the position of the positioning piece relative to the adjusting seat is adjustable.
When the rotation direction of the adjusting seat is that the compression surface corresponds to the positioning piece, the adjusting seat can extrude the positioning piece to rotate continuously, and when the positioning surface corresponds to the positioning piece, the adjusting seat cannot rotate continuously. And the pressing piece is in pressing contact with the pressing surface. The positioning unit and the positioning notch are matched with the locking adjustment seat.
Preferably, the coarse adjustment assembly further comprises a driving unit, wherein the driving unit comprises a driving wheel arranged on the base; the driving wheel is coaxially arranged at one side of the adjusting seat and is matched with the adjusting seat. The adjusting seat can be indirectly driven to rotate by rotating the driving wheel.
Preferably, the fine adjustment execution unit comprises an adjusting bolt, the adjusting bolt is in threaded connection with the adjusting seat, and the adjusting bolt is connected with the sliding block. The sliding block can be indirectly driven to slide by rotating the adjusting bolt.
Preferably, the sliding block is provided with a locking bolt, and the locking bolt is positioned at one side of the sliding groove and is in threaded connection with the sliding block; the locking bolt part extends into the chute.
After the fine adjustment assembly is adjusted in place, the connecting piece is locked through the locking bolt, and the clamping looseness of the crankshaft in the machining process is avoided.
The clamping device for grinding the crankshaft comprises two headstock, wherein the two headstock are oppositely arranged, clamping units are respectively arranged on the two headstock, and a clamping interval is formed between the two headstock; one of the headstock is provided with the phase adjustment module.
Drawings
Fig. 1 is a schematic diagram of a phase adjustment module for crank grinding in the present embodiment;
fig. 2 is a front view of a phase adjustment module for crank grinding in the present embodiment;
fig. 3 is a front cross-sectional view of the phase adjustment module for crank grinding of the present embodiment;
fig. 4 is a schematic structural diagram of an adjusting seat in a phase adjusting module for crank grinding in the embodiment;
fig. 5 is a schematic structural view of a clamping device for crank grinding in the present embodiment;
fig. 6 is a front cross-sectional view of the clamping device for crank grinding processing of the present embodiment.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1-4, a phase adjustment module for a crankshaft grinding process includes a base 16, a coarse adjustment assembly, a fine adjustment assembly, and a connection.
As shown in fig. 1-4, the coarse adjustment assembly includes an adjustment seat 11 and a positioning unit, where the adjustment seat 11 is rotatably movably connected with the base 16, and the positioning unit is used to define a circumferential position of the adjustment seat 11 relative to the base 16.
As shown in fig. 1-4, the adjusting seat 11 is provided with a plurality of positioning notches 15 in the circumferential direction; the positioning unit is arranged on the base 16 and corresponds to the positioning notch 15. The positioning notches 15 are annularly and uniformly distributed around the rotation center of the adjusting seat 11. The number of the positioning notches 15 is the same as that of the journals of the crankshafts to be processed, and the positioning notches 15 with different numbers are correspondingly arranged for crankshafts with different numbers of journals.
As shown in fig. 1 to fig. 4, specifically, one side surface of the positioning notch 15 is a positioning surface 152, the other side surface is a pressing surface 151, the positioning surface 152 and the pressing surface 151 are oppositely disposed along the rotation direction of the adjusting seat 11, and the distribution directions of the positioning surface 152 and the pressing surface 151 in each positioning notch 15 are the same. The pressing surface 151 is inclined outward relative to the diameter direction, and the positioning surface 152 extends in the radial direction. The positioning unit comprises a positioning piece 13 and a pressing piece 12, wherein the positioning piece 13 is arranged along the radial direction of the adjusting seat 11 towards the positioning notch 15 and is connected with the base 16 through an elastic piece. The pressing piece 12 is arranged towards the positioning notch 15, and the position of the positioning piece 13 relative to the adjusting seat 11 is adjustable.
When the rotation direction of the adjusting seat 11 is that the pressing surface 151 corresponds to the positioning member 13, the adjusting seat 11 can press the positioning member 13 to rotate continuously, and when the positioning surface 152 corresponds to the positioning member 13, the adjusting seat 11 cannot rotate continuously. While the pressing member 12 is in pressing contact with the pressing surface 151. The positioning unit and the positioning notch 15 cooperate with the locking adjustment seat 11.
As shown in fig. 1-3, the coarse adjustment assembly further includes a drive unit that includes a drive wheel 14 disposed on a base 16. The driving wheel 14 is coaxially arranged at one side of the adjusting seat 11 and is matched with the adjusting seat 11. The adjustment seat 11 can be indirectly driven to rotate by rotating the driving wheel 14. The driving wheel 14 may be a gear, and gear teeth are correspondingly disposed on the periphery of the adjusting seat 11, and the driving wheel 14 and the adjusting seat 11 are driven by the gear.
As shown in fig. 1 and 2, the fine adjustment assembly includes a slider 22 and a fine adjustment executing unit, where the slider 22 is slidably connected with the adjustment seat 11, and the fine adjustment executing unit is used to drive the slider 22 to slide relative to the adjustment seat 11, and the sliding direction of the slider 22 is defined to be perpendicular to the radial direction of the adjustment seat 11 or set obliquely. The sliding block 22 is provided with a sliding groove, and the extending direction of the sliding groove is limited to be perpendicular to or inclined to the sliding direction of the sliding block 22 relative to the adjusting seat 11.
As shown in fig. 1 and 2, the fine adjustment execution unit includes an adjusting bolt 21, the adjusting bolt 21 is in threaded connection with the adjusting seat 11, and the adjusting bolt 21 is connected with a slider 22. By turning the adjusting bolt 21, the slider 22 can be indirectly driven to slide.
As shown in fig. 1 and 2, the connecting piece is slidably disposed in the chute, and the connecting piece partially extends out of the chute. The sliding block 22 is provided with a locking bolt 23, and the locking bolt 23 is positioned at one side of the sliding groove and is in threaded connection with the sliding block 22; the locking bolt 23 extends into the sliding groove. After the fine adjustment assembly is adjusted in place, the connecting piece is locked through the locking bolt 23, and the clamping looseness of the crankshaft in the machining process is avoided.
The connecting piece is used for being connected with a processed crankshaft, and the connecting piece can drive the crankshaft to rotate and adjust in the process of rotating the adjusting seat 11 and sliding the sliding block 22. The coarse adjustment component can achieve phase precision adjustment of +/-5 ', the fine adjustment component can achieve phase precision adjustment of +/-1', and limit adjustment with higher precision can be achieved through a coarse adjustment and fine adjustment combination mode.
As shown in fig. 5 and 6, a clamping device for grinding a crankshaft comprises two headstock 01, wherein the two headstock 01 are oppositely arranged, clamping units 011 are respectively arranged on the two headstock 01, and a clamping interval is formed between the two headstock 01. One of the headstock 01 is provided with the phase adjustment module 03, wherein the description of the phase adjustment module 03 is arranged on the corresponding headstock.
During machining, the clamping unit 011 radially and axially limits the crankshaft 02, and the phase adjustment module 03 is used for circumferentially adjusting the crankshaft 02.
In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. A phase adjustment module for grinding a crankshaft, comprising at least:
a base;
the coarse adjustment assembly comprises an adjustment seat and a positioning unit, the adjustment seat is rotatably and movably connected with the base, and the positioning unit is used for limiting the circumferential position of the adjustment seat relative to the base;
the fine tuning assembly comprises a sliding block and a fine tuning execution unit, the sliding block is in sliding connection with the adjusting seat, the fine tuning execution unit is used for driving the sliding block to slide relative to the adjusting seat, and the sliding direction of the sliding block is limited to be perpendicular to the radial direction of the adjusting seat or inclined; the sliding block is provided with a sliding groove, and the extending direction of the sliding groove is limited to be perpendicular to or inclined to the sliding direction of the sliding block relative to the adjusting seat;
and the connecting piece is arranged in the chute in a sliding way, and part of the connecting piece extends out of the chute.
2. The phase adjustment module of claim 1, wherein: the adjusting seat is provided with a plurality of positioning notches in the circumferential direction;
the positioning unit is arranged on the base and corresponds to the positioning notch.
3. The phase adjustment module of claim 2, wherein: the positioning notches are annularly and uniformly distributed around the rotation center of the adjusting seat.
4. The phase adjustment module of claim 2, wherein: one side surface of the positioning notch is a positioning surface, the other side surface of the positioning notch is a pressing surface, the positioning surface and the pressing surface are oppositely arranged along the rotation direction of the adjusting seat, and the distribution directions of the positioning surface and the pressing surface in each positioning notch are the same; the pressing surface is arranged obliquely outwards relative to the diameter direction, and the positioning surface extends along the radial direction;
the positioning unit comprises a positioning piece and a pressing piece, wherein the positioning piece is arranged along the radial direction of the adjusting seat towards the positioning notch and is connected with the base through an elastic piece; the pressing piece is arranged towards the positioning notch, and the position of the positioning piece relative to the adjusting seat is adjustable.
5. The phase adjustment module of claim 1, wherein: the coarse adjustment assembly further comprises a driving unit, wherein the driving unit comprises a driving wheel arranged on the base; the driving wheel is coaxially arranged at one side of the adjusting seat and is matched with the adjusting seat.
6. The phase adjustment module of claim 1, wherein: the fine adjustment execution unit comprises an adjusting bolt, the adjusting bolt is in threaded connection with the adjusting seat, and the adjusting bolt is connected with the sliding block.
7. The phase adjustment module according to any one of claims 1-6, characterized in that: the sliding block is provided with a locking bolt, and the locking bolt is positioned at one side of the sliding groove and is in threaded connection with the sliding block; the locking bolt part extends into the chute.
8. A clamping device for crank shaft abrasive machining, its characterized in that: the device comprises two headstock, wherein the two headstock are oppositely arranged, clamping units are respectively arranged on the two headstock, and a clamping interval is formed between the two headstock;
one of the head frames is provided with a phase adjustment module as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321698984.6U CN220007367U (en) | 2023-06-30 | 2023-06-30 | Phase adjustment module and clamping device for crankshaft grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321698984.6U CN220007367U (en) | 2023-06-30 | 2023-06-30 | Phase adjustment module and clamping device for crankshaft grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220007367U true CN220007367U (en) | 2023-11-14 |
Family
ID=88686327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321698984.6U Active CN220007367U (en) | 2023-06-30 | 2023-06-30 | Phase adjustment module and clamping device for crankshaft grinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220007367U (en) |
-
2023
- 2023-06-30 CN CN202321698984.6U patent/CN220007367U/en active Active
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