CN210996513U - Machining device for eccentric shaft - Google Patents
Machining device for eccentric shaft Download PDFInfo
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- CN210996513U CN210996513U CN201921115618.7U CN201921115618U CN210996513U CN 210996513 U CN210996513 U CN 210996513U CN 201921115618 U CN201921115618 U CN 201921115618U CN 210996513 U CN210996513 U CN 210996513U
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Abstract
The utility model relates to a processingequipment of eccentric shaft, including processing platform, processing main shaft, mount pad, motor, first base plate, second base plate, turning tool and eccentric cover, eccentric cover is located in the anchor clamps and is rotated along with the processing main shaft is synchronous, it has eccentric arrangement and is used for the centre gripping to treat the shaft hole of processing axle to open on the eccentric cover, just it has along axially extended first breach to open on the periphery wall of eccentric cover, and this first breach makes eccentric cover forms the open loop structure in week. The utility model has the advantages of simple and reasonable structure, before the use, can select suitable eccentric cover according to the eccentricity demand of treating the processing axle, will treat the eccentric cover of processing axle clamping, install eccentric cover again and can process in anchor clamps, can realize the quick clamping of eccentric shaft to improve the machining efficiency of eccentric shaft, this structure is particularly useful for the large batch production mode of small dimension.
Description
Technical Field
The utility model relates to a processingequipment of eccentric shaft.
Background
The eccentric shaft can not only transfer rotation but also transfer revolution, and is convenient for adjusting the center distance between the shafts, so the eccentric shaft is widely applied to the fields of automobiles, engines, pumps and the like. As shown in fig. 1, the shaft 100 has a spindle portion 101 extending in an axial direction, an end of the spindle portion 101 has a first cylindrical portion 102 arranged eccentrically to the spindle portion and having an outer diameter larger than that of the spindle portion 101, and a face of the first cylindrical portion 102 at a junction with the spindle portion 101 is formed as a slope 103, and a second cylindrical portion 104 arranged concentrically to the first cylindrical portion 102 and having a diameter larger than that of the first cylindrical portion 102 is further connected to an end of the first cylindrical portion 102. Because the structure is complicated, the surface grinding or processing can not be carried out by adopting the conventional processing tool.
The Chinese patent application with the application publication number of CN104476388A, namely 'eccentric shaft grinding fixture' (application number of 201410661485.9), discloses a structure, which comprises a large-end eccentric positioning disc, a small-end eccentric positioning disc and positioning pins, wherein a workpiece is arranged on the large-end eccentric positioning disc and the small-end eccentric positioning disc through the positioning pins, a first pair of tip clamping devices for clamping the workpiece are arranged on the large-end eccentric positioning disc, a second pair of tip clamping devices for clamping the workpiece are arranged on the small-end eccentric positioning disc, the first pair of tip clamping devices and the second pair of tip clamping devices are arranged correspondingly, and an eccentric amount which is the same as the eccentric amount of the workpiece and is opposite to the eccentric amount of the workpiece is arranged between the axis of the first pair of tip clamping devices and the workpiece.
The structure adopts the opposite-top point clamping, and the eccentric amount between the processed surface axis and the machine tool rotation center is offset by using the eccentric amount of the clamping device, so that the processed surface axis coincides with the rotation axis, the eccentric amount between the processed surface axis and the machine tool rotation center is offset, and the high-precision grinding of the processed shaft bus is realized. However, the above structure is only suitable for machining an eccentric shaft of a specific model, and for a shaft to be machined which has a complicated structure as shown in fig. 1 and may need to be adjusted in eccentricity of each part in the machining process, the requirement cannot be met; in the prior art, when the eccentric shaft of fig. 1 is machined, adjustment is generally carried out by adjusting three to four clamping blocks, but the adjustment is extremely slow, and the machining efficiency of the eccentric shaft is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to provide a thereby can carry out quick clamping to the eccentric shaft and improve the processingequipment of eccentric shaft of machining efficiency to prior art's current situation.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a processing device of an eccentric shaft comprises a processing platform;
the machining main shaft is arranged on the machining platform, and a clamp used for clamping a shaft to be machined is arranged on the machining main shaft;
the mounting seat is arranged on the processing platform and is provided with a mounting hole for mounting a processing main shaft;
the motor is arranged in the mounting seat, and the power output end of the motor is connected with the machining main shaft and can drive the machining main shaft to rotate;
the first substrate is arranged on the side part in front of the processing main shaft and is arranged on the processing platform in a manner of moving back and forth along the axial direction of the processing main shaft;
the second substrate can be arranged on the first substrate in a manner of moving back and forth along the axial direction of the processing main shaft;
the turning cutter is detachably arranged on the second substrate;
the method is characterized in that: still include eccentric cover, eccentric cover is located in the anchor clamps and along with the synchronous rotation of processing main shaft, it has eccentric arrangement and is used for the centre gripping to treat the shaft hole of processing axle to open on the eccentric cover, just it has along the first breach of axial extension to open on the periphery wall of eccentric cover, and this first breach makes eccentric cover forms the open loop structure in circumference.
Preferably, the first notch is opened at the position where the eccentric sleeve has the thinnest thickness in the radial direction. The first notch is arranged at the position where the thickness of the eccentric sleeve is the thinnest, so that the eccentric sleeve has larger elasticity in the radial direction, and quick clamping is realized.
Preferably, the inner peripheral wall of the eccentric sleeve is provided with a second notch extending along the axial direction, and the second notch is arranged at the position of the eccentric sleeve with the thickest radial thickness and is opposite to the first notch. By adopting the structure, the elasticity of the eccentric sleeve in the radial direction is further improved, and the rapid clamping is realized.
Preferably, the fixture comprises three clamping blocks radially arranged on the front end face of the machining spindle, and a clamping opening with adjustable size is formed between the clamping blocks. The clamp splice accessible screw is installed on the processing main shaft with the mounting means in waist type hole to realize pressing from both sides the regulation of mouthful size, thereby the demand of the axle of waiting to process of different diameters of adaptation.
In order to enable the first substrate and the second substrate to move in a controllable manner in cooperation with the turning tool in the machining process, a first guide rail arranged in parallel with the machining spindle is arranged on the machining platform, correspondingly, a first sliding groove capable of being in guide fit with the first guide rail is formed in the bottom of the first substrate, and a first driving piece capable of driving the first substrate to move back and forth along the first guide rail is further arranged on the machining platform. The first substrate is provided with a second guide rail which is perpendicular to the processing main shaft, correspondingly, the bottom of the second substrate is provided with a second sliding groove which can be matched with the second guide rail in a guiding way, and the first substrate is also provided with a second driving piece which can drive the second substrate to move back and forth along the second guide rail. The first and second drivers are preferably cylinders.
Compared with the prior art, the utility model has the advantages of: the utility model has the advantages of simple and reasonable structure, before the use, can select suitable eccentric cover according to the eccentricity demand of treating the processing axle, will treat the eccentric cover of processing axle clamping, install eccentric cover again and can process in anchor clamps, can realize the quick clamping of eccentric shaft to improve the machining efficiency of eccentric shaft, this structure is particularly useful for the large batch production mode of small dimension.
Drawings
FIG. 1 is a schematic structural view of a shaft to be machined in the background art of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;
fig. 4 is a schematic view of a part of the structure of the shaft to be machined hidden in the embodiment of the present invention;
fig. 5 is a schematic structural view of an eccentric sleeve according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 2 to 5, the eccentric shaft processing device of the present embodiment includes a processing platform 1, a processing spindle 2, a mounting base 3, a motor, a first substrate 4, a second substrate 5, a turning tool 6, and an eccentric sleeve 7. The mounting seat 3 is arranged on the processing platform 1, a mounting hole 31 for mounting the processing spindle 2 is formed in the mounting seat 3, the processing spindle 2 is rotatably arranged in the mounting hole 31 through a bearing, the front end of the processing spindle 2 is exposed out of the front side of the mounting hole 31, and the rear end of the processing spindle 2 is exposed out of the rear side of the mounting hole 31. A clamp 20 for clamping the shaft 100 to be processed is arranged in the processing main shaft 2, and an opening and closing structure 200 capable of opening or closing the clamp 20 is arranged at the rear part of the processing main shaft 2, and is a mature technology in the prior art and is not described herein again. The motor is also arranged in the mounting seat 3, and an output shaft of the motor is in driving connection with the processing main shaft 2 through a transmission belt so as to drive the processing main shaft 2 to rotate.
The first substrate 4 is arranged on the side part in front of the processing spindle 2 and can be arranged on the processing platform 1 in a reciprocating manner along the axial direction of the processing spindle 2, the second substrate 5 is arranged on the first substrate 4 in a reciprocating manner perpendicular to the axial direction of the processing spindle 2, and the turning tool 6 is detachably arranged on the second substrate 5. Specifically, the processing platform 1 is provided with a first guide rail 11 arranged parallel to the processing spindle 2, correspondingly, the bottom of the first substrate 4 is provided with a first chute 41 capable of guiding and matching with the first guide rail 11, and the processing platform 1 is further provided with a first driving member 10 capable of driving the first substrate 4 to move back and forth along the first guide rail 11. The first substrate 4 is provided with a second guide rail 42 arranged perpendicular to the processing spindle 2, correspondingly, the bottom of the second substrate 5 is provided with a second sliding groove 51 capable of guiding and matching with the second guide rail 42, and the first substrate 4 is further provided with a second driving element 20a capable of driving the second substrate 5 to move back and forth along the second guide rail 42. The first driving member 10 and the second driving member 20a are both air cylinders. The turning cutter 6 is clamped on the upper surface of the second base plate 5 through the pressing strip 8, the cutter head is arranged close to the shaft 100 to be machined, the pressing strip 8 is locked on the second base plate 5 through the bolt 81, and the angle of the turning cutter 6 can be adjusted according to requirements.
In the embodiment, the eccentric sleeve 7 is arranged in the fixture 20 and rotates synchronously with the processing main shaft 2, a shaft hole 71 which is eccentrically arranged and used for clamping the shaft 100 to be processed is formed on the eccentric sleeve 7, and a first notch 72 which extends along the axial direction is formed on the outer peripheral wall of the eccentric sleeve 7, and the first notch 72 enables the eccentric sleeve 7 to form an open-loop structure in the circumferential direction. The first notch 72 is opened at the position where the thickness of the eccentric sleeve 7 is thinnest in the radial direction, so that the eccentric sleeve 7 is more elastic in the radial direction. The inner peripheral wall of the eccentric sleeve 7 is provided with a second notch 73 extending along the axial direction, and the second notch 73 is arranged at the position where the eccentric sleeve 7 has the thickest thickness in the radial direction and is opposite to the first notch 72, so as to further improve the elasticity of the eccentric sleeve 7 in the radial direction.
The front end of the clamp 20 of the present embodiment is provided with three clamping blocks 201 radially arranged on the front end surface of the processing spindle 2, and a clamping opening 202 with adjustable size is formed between each clamping block 201. The clamping block 201 can be installed on the processing spindle 2 through the installation mode of screws and kidney-shaped holes so as to realize the adjustment of the size of the clamping opening 202, and therefore the requirements of shafts to be processed with different diameters are met.
Before the eccentric shaft machining fixture is used, a proper eccentric sleeve 7 can be selected according to the eccentricity requirement of a shaft to be machined, the eccentric sleeve 7 clamped by the shaft to be machined can be installed in the fixture 20, the eccentric shaft can be quickly clamped, the machining efficiency of the eccentric shaft is improved, and the eccentric shaft machining fixture is particularly suitable for small-specification large-batch production modes.
Claims (6)
1. A machining device for an eccentric shaft comprises
A processing platform (1);
the machining main shaft (2) is arranged on the machining platform (1), and a clamp (20) used for clamping a shaft (100) to be machined is arranged on the machining main shaft (2);
the mounting seat (3) is arranged on the processing platform (1), and a mounting hole (31) for mounting the processing spindle (2) is formed in the mounting seat (3);
the motor is arranged in the mounting seat (3), and the power output end of the motor is connected with the machining spindle (2) and can drive the machining spindle (2) to rotate;
the first substrate (4) is arranged on the side part in front of the processing main shaft (2) and can be arranged on the processing platform (1) in a way of moving back and forth along the axial direction of the processing main shaft (2);
a second substrate (5) which is provided on the first substrate (4) so as to be capable of moving back and forth in a direction perpendicular to the axial direction of the processing spindle (2);
the turning cutter (6) is detachably arranged on the second substrate (5);
the method is characterized in that: still include eccentric cover (7), eccentric cover (7) are located in anchor clamps (20) and along with processing main shaft (2) synchronous rotation, it has shaft hole (71) that eccentric arrangement and be used for the centre gripping to treat processing axle (100) to open on eccentric cover (7), just it has along axially extended first breach (72) to open on the periphery wall of eccentric cover (7), and this first breach (72) make eccentric cover (7) form the open loop structure in circumference.
2. The machining apparatus of an eccentric shaft according to claim 1, wherein: the first notch (72) is arranged at the position where the thickness of the eccentric sleeve (7) is thinnest in the radial direction.
3. The processing device of the eccentric shaft according to claim 2, wherein: the inner peripheral wall of the eccentric sleeve (7) is provided with a second notch (73) extending along the axial direction, and the second notch (73) is arranged at the position where the eccentric sleeve (7) is thickest in the radial direction and is opposite to the first notch (72).
4. The processing apparatus of the eccentric shaft according to claim 1, 2 or 3, wherein: the front end of the clamp (20) is provided with three clamping blocks (201) which are radially arranged on the front end surface of the processing main shaft (2), and a clamping opening (202) with adjustable size is formed between each clamping block (201).
5. The processing apparatus of the eccentric shaft according to claim 1, 2 or 3, wherein: the processing platform (1) is provided with a first guide rail (11) which is arranged in parallel with the processing main shaft (2), correspondingly, the bottom of the first substrate (4) is provided with a first sliding groove (41) which can be matched with the first guide rail (11) in a guiding way, and the processing platform (1) is further provided with a first driving piece (10) which can drive the first substrate (4) to move back and forth along the first guide rail (11).
6. The processing device of the eccentric shaft according to claim 5, wherein: the first base plate (4) is provided with a second guide rail (42) which is perpendicular to the processing main shaft (2) and is arranged, correspondingly, the bottom of the second base plate (5) is provided with a second sliding groove (51) which can be matched with the second guide rail (42) in a guiding mode, and the first base plate (4) is further provided with a second driving piece (20a) which can drive the second base plate (5) to move back and forth along the second guide rail (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115618.7U CN210996513U (en) | 2019-07-16 | 2019-07-16 | Machining device for eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115618.7U CN210996513U (en) | 2019-07-16 | 2019-07-16 | Machining device for eccentric shaft |
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| Publication Number | Publication Date |
|---|---|
| CN210996513U true CN210996513U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921115618.7U Active CN210996513U (en) | 2019-07-16 | 2019-07-16 | Machining device for eccentric shaft |
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| CN (1) | CN210996513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000323A (en) * | 2023-02-23 | 2023-04-25 | 江苏兴锻智能装备科技有限公司 | Eccentric shaft machining equipment with posture adjusting function |
-
2019
- 2019-07-16 CN CN201921115618.7U patent/CN210996513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000323A (en) * | 2023-02-23 | 2023-04-25 | 江苏兴锻智能装备科技有限公司 | Eccentric shaft machining equipment with posture adjusting function |
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