CN216441792U - Cutter mounting mechanism for gear grinding machine - Google Patents
Cutter mounting mechanism for gear grinding machine Download PDFInfo
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- CN216441792U CN216441792U CN202122253167.7U CN202122253167U CN216441792U CN 216441792 U CN216441792 U CN 216441792U CN 202122253167 U CN202122253167 U CN 202122253167U CN 216441792 U CN216441792 U CN 216441792U
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- grinding machine
- eccentric sleeve
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Abstract
The utility model discloses a cutter mounting mechanism for a gear grinding machine, which comprises a cutter holder, wherein a grinding wheel shaft is rotatably mounted on the cutter holder, and a cutter is fixedly mounted at the outer end of the grinding wheel shaft, and the cutter mounting mechanism is characterized in that: the grinding wheel mechanism is characterized in that an eccentric sleeve is sleeved in the middle of the grinding wheel shaft and rotatably mounted on the tool apron, an offset is formed between the rotating center line of the eccentric sleeve and the rotating center line of the grinding wheel shaft, a driving mechanism for driving the grinding wheel shaft to rotate is fixedly mounted on the tool apron, and the grinding wheel shaft is in power connection with the eccentric sleeve through a synchronizing assembly. The utility model has the beneficial effects that: during gear grinding, the grinding wheel rotates, and also has radial shaking deviation, so that creep grinding can be formed, and the gear grinding precision and efficiency can be improved.
Description
Technical Field
The utility model relates to a gear grinding machine, in particular to a cutter mounting mechanism for the gear grinding machine.
Background
The gear grinding machine is used for correcting various errors of gear preprocessing and has high processing precision.
The application of gear grinding in industry is very wide, how to continuously improve the gear grinding precision and the gear grinding efficiency is a scientific problem which is always explored by the processing industry, and currently, the grinding precision and the grinding efficiency can be improved only by optimizing technological parameters, such as: the reasonable grinding machine is selected, and more reasonable technological parameters such as the grinding wheel rotating speed, the cutting force and the like are set, so that substantial breakthrough is difficult to obtain by the operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tool mounting mechanism for a gear grinding machine, which can change the traditional grinding mode of a grinding wheel and obviously improve the gear grinding precision and efficiency.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a cutter installation mechanism for gear grinding machine, includes the blade holder, rotate on the blade holder and install the emery wheel axle, the outer end of emery wheel axle is fixed to be equipped with cutter, its characterized in that: the grinding wheel mechanism is characterized in that an eccentric sleeve is sleeved in the middle of the grinding wheel shaft and rotatably mounted on the tool apron, an offset is formed between the rotating center line of the eccentric sleeve and the rotating center line of the grinding wheel shaft, a driving mechanism for driving the grinding wheel shaft to rotate is fixedly mounted on the tool apron, and the grinding wheel shaft is in power connection with the eccentric sleeve through a synchronizing assembly.
By adopting the structure, when the gear is ground and processed by the cutter, the eccentric sleeve eccentrically rotates relative to the grinding wheel shaft, and the eccentric rotation can force the grinding wheel shaft to deflect, so that the cutter not only rotates in a self-rotating manner but also performs radial peristaltic grinding, the grinding quality can be fully improved, and the gear grinding precision and efficiency are remarkably improved.
Preferably, the method comprises the following steps: the offset is 0.11-0.15 mm.
Preferably, the method comprises the following steps: the offset is 0.12 mm.
Preferably, the method comprises the following steps: the synchronous component comprises a synchronous shaft arranged in parallel with the grinding wheel shaft, the synchronous shaft is rotatably installed on the cutter holder, a second synchronous wheel and a third synchronous wheel are fixedly sleeved on the synchronous shaft, a first synchronous wheel is fixedly sleeved on the grinding wheel shaft, a fourth synchronous wheel is fixedly sleeved on the eccentric sleeve, a first synchronous belt is connected between the first synchronous wheel and the second synchronous wheel, and a second synchronous belt is connected between the third synchronous wheel and the fourth synchronous wheel. By adopting the structure, the eccentric sleeve can synchronously rotate along with the grinding wheel shaft.
Preferably, the method comprises the following steps: the diameter of the first synchronizing wheel is smaller than that of the second synchronizing wheel, and the diameter of the third synchronizing wheel is smaller than that of the fourth synchronizing wheel. By adopting the structure, the rotating frequency of the eccentric sleeve can be ensured to be lower than that of the grinding wheel shaft, so that the creeping grinding effect is better and obvious.
Compared with the prior art, the utility model has the beneficial effects that:
by adopting the cutter mounting mechanism for the gear grinding machine, provided by the utility model, when the gear grinding is carried out, the grinding wheel rotates and has radial offset motion, so that creep grinding can be formed, and the gear grinding precision and efficiency can be improved.
Drawings
FIG. 1 is a schematic structural view of a tool mounting mechanism of the present invention;
fig. 2 is a reference view showing a state in which the tool mounting mechanism is used in the gear grinding machine.
Detailed Description
The present embodiment takes the cutter mounting mechanism as an example applied to a gear grinding machine, and is further described with reference to the accompanying drawings.
As shown in fig. 2, a gear grinding machine is provided, wherein a left half part of a machine body 1 of the gear grinding machine is provided with a cradle 2 capable of sliding back and forth, a tool apron 3 capable of sliding up and down is provided on the cradle 2, a right half part of the machine body 1 is provided with a workpiece clamping seat 5 capable of sliding right, and a clamp 6 is provided at the inner end of the workpiece clamping seat 5 for clamping a gear a to be processed.
As shown in fig. 1, the tool post 3 is rotatably mounted with a grinding wheel shaft 3a and an eccentric sleeve 3b, the eccentric sleeve 3b is sleeved on the grinding wheel shaft 3a, the eccentric sleeve 3b is eccentrically arranged with respect to the grinding wheel shaft 3a, the rotation center line between the two has an offset of 0.11-0.15 mm, preferably, the offset is 0.12mm in the present embodiment, the outer end of the grinding wheel shaft 3a is fixedly mounted with a cutter 31, in the present embodiment, the cutter 31 is a grinding wheel, the tool post 3 is fixedly mounted with a driving mechanism 32, the driving mechanism 32 is a servo motor, which is connected to the inner end of the grinding wheel shaft 3a for driving the grinding wheel shaft 3a to rotate, a synchronizing assembly 33 is mounted between the grinding wheel shaft 3a and the eccentric sleeve 3b for driving the eccentric sleeve 3b to rotate synchronously, when the cutter 31 grinds the gear a, the eccentric rotation of the eccentric sleeve 3b forces the grinding wheel shaft 3a to swing eccentrically, so that the cutter 31 not only has autorotation grinding but also has up-and-down vibration when grinding the teeth, thereby improving the grinding precision.
The synchronizing assembly 33 may be a gear synchronizing structure or a belt-driven synchronizing structure, and the present embodiment is described by taking the belt-driven synchronizing structure as an example, as follows:
referring to fig. 1, the synchronizing assembly 33 includes a synchronizing shaft 3f disposed parallel to the grinding wheel shaft 3a, the synchronizing shaft 3f is rotatably mounted on the tool apron 3, a second synchronizing wheel 3e and a third synchronizing wheel 3g are fixedly sleeved on the synchronizing shaft 3f, a first synchronizing wheel 3c is fixedly sleeved on the grinding wheel shaft 3a, a fourth synchronizing wheel 3h is fixedly sleeved on the eccentric sleeve 3b, a first synchronizing belt 3d is connected between the first synchronizing wheel 3c and the second synchronizing wheel 3e, a second synchronizing belt 3i is connected between the third synchronizing wheel 3g and the fourth synchronizing wheel 3h, and when the driving mechanism 32 drives the grinding wheel shaft 3a to rotate, the rotation of the grinding wheel shaft 3a sequentially passes through the first synchronizing wheel 3c → the first synchronizing belt 3d → the second synchronizing wheel 3e → the synchronizing shaft 3f → the third synchronizing wheel 3g → the second synchronizing belt 3i → the fourth synchronizing wheel 3h to drive the eccentric sleeve 3b to rotate synchronously.
Furthermore, the diameter of the first synchronizing wheel 3c is smaller than that of the second synchronizing wheel 3e, the diameter of the third synchronizing wheel 3g is smaller than that of the fourth synchronizing wheel 3h, the structure layout is a speed reduction transmission structure, the design can ensure that the rotating frequency of the eccentric sleeve 3b is lower than that of the grinding wheel shaft 3a, so that the peristaltic grinding effect is achieved, and the gear grinding quality is further improved.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a cutter installation mechanism for gear grinding machine, includes blade holder (3), rotate on blade holder (3) and install emery wheel axle (3 a), the outer end fixed equipment of emery wheel axle (3 a) has cutter (31), its characterized in that: the middle part cover of emery wheel axle (3 a) is equipped with eccentric sleeve (3 b), and eccentric sleeve (3 b) rotates and installs on blade holder (3), the offset has between the rotation center line of eccentric sleeve (3 b) and the rotation center line of emery wheel axle (3 a), fixed mounting has on blade holder (3) and is used for driving emery wheel axle (3 a) pivoted actuating mechanism (32), through synchronization module (33) power connection between emery wheel axle (3 a) and eccentric sleeve (3 b).
2. The tool mounting mechanism for a gear grinding machine according to claim 1, wherein: the offset is 0.11-0.15 mm.
3. The tool mounting mechanism for a gear grinding machine according to claim 2, wherein: the offset is 0.12 mm.
4. The tool mounting mechanism for a gear grinding machine according to claim 1, wherein: the synchronous component (33) comprises a synchronous shaft (3 f) arranged in parallel with the grinding wheel shaft (3 a), the synchronous shaft (3 f) is rotatably installed on the tool apron (3), a second synchronous wheel (3 e) and a third synchronous wheel (3 g) are fixedly sleeved on the synchronous shaft (3 f), a first synchronous wheel (3 c) is fixedly sleeved on the grinding wheel shaft (3 a), a fourth synchronous wheel (3 h) is fixedly sleeved on the eccentric sleeve (3 b), a first synchronous belt (3 d) is connected between the first synchronous wheel (3 c) and the second synchronous wheel (3 e), and a second synchronous belt (3 i) is connected between the third synchronous wheel (3 g) and the fourth synchronous wheel (3 h).
5. The tool mounting mechanism for a gear grinding machine according to claim 4, wherein: the diameter of the first synchronous wheel (3 c) is smaller than that of the second synchronous wheel (3 e), and the diameter of the third synchronous wheel (3 g) is smaller than that of the fourth synchronous wheel (3 h).
6. The tool mounting mechanism for a gear grinding machine according to claim 1, wherein: the synchronizing component (33) is of a gear transmission structure.
7. The tool mounting mechanism for a gear grinding machine according to claim 1, wherein: the driving mechanism (32) is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253167.7U CN216441792U (en) | 2021-09-16 | 2021-09-16 | Cutter mounting mechanism for gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253167.7U CN216441792U (en) | 2021-09-16 | 2021-09-16 | Cutter mounting mechanism for gear grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216441792U true CN216441792U (en) | 2022-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253167.7U Active CN216441792U (en) | 2021-09-16 | 2021-09-16 | Cutter mounting mechanism for gear grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216441792U (en) |
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2021
- 2021-09-16 CN CN202122253167.7U patent/CN216441792U/en active Active
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