CN217530220U - Grinding disc of CBN cutter grinding device - Google Patents
Grinding disc of CBN cutter grinding device Download PDFInfo
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- CN217530220U CN217530220U CN202122580106.1U CN202122580106U CN217530220U CN 217530220 U CN217530220 U CN 217530220U CN 202122580106 U CN202122580106 U CN 202122580106U CN 217530220 U CN217530220 U CN 217530220U
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Abstract
The utility model provides a grinding disc of a CBN cutter grinding device, which comprises an upper grinding disc, a lower grinding disc and a planetary gear train grinding mechanism; the lower grinding disc is fixed on the base, the upper grinding disc is a lifting type grinding disc matched with the lower grinding disc, the planetary gear train grinding mechanism is positioned between the upper grinding disc and the lower grinding disc, and the grinding fluid circulating system is respectively connected with a fluid inlet of the upper grinding disc and a fluid return port of the lower grinding disc; the grinding surfaces of the upper grinding disc and the lower grinding disc are respectively provided with a circulating water channel, the circulating water channel comprises a chessboard type water channel and an annular water channel which are intersected transversely and vertically, and the chessboard type water channel is communicated with the annular water channel at the intersection. The grinding disc of the CBN cutter grinding device has the advantages of optimizing the thickness dimensional tolerance of a product and optimizing the parallelism of two surfaces of the product.
Description
Technical Field
The utility model relates to a carbide tool field, specific theory has related to a CBN cutter grinder's abrasive disc.
Background
The CBN cutter mainly used digit control machine tool turning product, therefore the improvement of the uniformity and the depth of parallelism of product thickness can improve the precision of work piece, can improve the product simultaneously and trade line efficiency.
At present, CBN cutters are machined by adopting an M7130H horizontal-axis rectangular-table surface grinder, and after products are machined, the thickness tolerance is as follows: plus or minus 0.05mm, parallelism: 0.05mm.
The precision of the existing processing mode is insufficient, only one side of the processing precision can be ensured at a time, and the precision errors of the two sides of the product can be reduced only by controlling more parameters.
In addition, the grinding disc usually adopts two modes of a grinding wheel and a cast iron grinding disc, and when a hard material is ground, the problems of low processing efficiency, inconsistent grinding planes, inconsistent sizes and the like can occur.
The reason for this is mainly that the hard alloy is difficult to grind, a large amount of grinding fluid is needed for assistance in the grinding process, but the precision of the grinding disc is limited, and the distribution of the grinding fluid is easily unbalanced, resulting in poor grinding effect.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at prior art's not enough to a CBN cutter grinder's abrasive disc of optimizing product thickness dimensional tolerance, optimizing product two sides depth of parallelism is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a grinding disc of a CBN cutter grinding device comprises an upper grinding disc, a lower grinding disc and a planetary gear train grinding mechanism;
the upper grinding disc is a lifting type grinding disc matched with the lower grinding disc, the planetary gear train grinding mechanism is positioned between the upper grinding disc and the lower grinding disc, and the grinding fluid circulating system is respectively connected with a fluid inlet of the upper grinding disc and a fluid return port of the lower grinding disc;
the upper grinding disc and the lower grinding disc respectively comprise grinding disc bodies, circulating water channels are respectively arranged on the grinding surfaces of the grinding disc bodies, each circulating water channel comprises a chessboard-type water channel and an annular water channel which are intersected transversely and vertically, the chessboard-type water channels and the annular water channels are communicated at the intersection, and pipelines communicated with the chessboard-type water channels and the annular water channels are arranged on the grinding disc bodies.
Basically, planetary gear train grinding mechanism includes driving motor, sun gear, wandering star wheel frock and ring gear, sun gear is located the up end of lower part abrasive disc, the ring gear is fixed in the periphery of lower part abrasive disc, the wandering star wheel frock meshes with sun gear and ring gear respectively and is rotated by the sun gear transmission, be provided with a plurality of cutter fixed slots on the wandering star wheel frock.
Basically, the lifting mechanism of the upper grinding disc is an air cylinder.
Basically, the material of wandering star wheel frock is high strength polyurethane rubber.
Basically, the parallelism of the upper grinding disc and the lower grinding disc is 0.002-0.006mm.
Basically, the pressure of the upper grinding disc in a compression state is 0.3Mpa.
The interval width of the checkerboard type water channels on the lower grinding disc is larger than that of the checkerboard type water channels on the upper grinding disc.
Basically, the annular water channel interval on the lower portion grinding disc is greater than the annular water channel interval on the upper portion grinding disc.
Basically, each annular water channel is concentrically arranged at equal intervals by taking the circle center of the grinding disc as the center.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses design traditional grinder for two-sided grinding structure, including upper portion abrasive disc and lower part abrasive disc, then change the drainage groove-shaped structure on upper portion abrasive disc and the lower part abrasive disc, make that the lapping liquid can be quick scatter on the abrasive surface of abrasive disc, reach the position that needs, and then promote the thickness dimensional tolerance and the depth of parallelism of grinding, avoid a series of problems that the lapping liquid distributes and leads to unevenly among the grinding process.
Further, high strength polyurethane rubber is selected for use to the material of wandering star wheel frock, and furthest's assurance wandering star wheel frock is at the stability of grinding in-process, and then guarantees the control of grinding the effect.
Furthermore, the parallelism of the two grinding discs and the pressing pressure of the upper grinding disc are controlled, so that the grinding effect can be further improved.
Furthermore, the flow channel of the upper grinding disc is dense, and the flow channel of the lower grinding disc is loose, so that the design can improve the diffusion capacity of the grinding liquid on the upper part.
Drawings
Fig. 1 is a schematic view of the overall structure of the CBN tool grinding device of the present invention.
Fig. 2 is a schematic structural view of the middle and upper grinding disk of the present invention.
Fig. 3 is a schematic structural view of the middle and lower grinding disk of the present invention.
Fig. 4 is the structural schematic diagram of the midstream star wheel tool of the utility model.
In the figure: 2. an upper grinding disk; 3. a lower grinding disk; 4. a grinding fluid circulating system; 5. a checkerboard-like water channel; 6. an annular water channel; 7. a drive motor; 8. a wandering star wheel tool; 9. and a cylinder.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-4, a grinding disc of a CBN tool grinding device comprises an upper grinding disc 2, a lower grinding disc 3 and a planetary gear train grinding mechanism;
the upper grinding disc 2 is a lifting type grinding disc matched with the lower grinding disc 3, the lifting power selects an air cylinder 9, the planetary gear train grinding mechanism is positioned between the upper grinding disc 2 and the lower grinding disc 3, and the grinding fluid circulating system 4 is respectively connected with a fluid inlet of the upper grinding disc 2 and a fluid return port of the lower grinding disc 3;
the grinding surfaces of the upper grinding disc 2 and the lower grinding disc 3 are respectively provided with a circulating water channel, the circulating water channel comprises a chessboard type water channel 5 and an annular water channel 6 which are intersected transversely and vertically, and the chessboard type water channel 5 and the annular water channel 6 are communicated at the intersection.
The parallelism of the upper grinding disc and the lower grinding disc is 0.002-0.006mm, and the pressure of the upper grinding disc in a compression state is 0.3Mpa.
The planetary gear train grinding mechanism comprises a driving motor 7, a sun gear, a planetary gear tool 8 and an inner gear ring (a conventional structure is not shown in the figure), wherein the sun gear is located on the upper end face of a lower grinding disc, the inner gear ring is fixed on the periphery of the lower grinding disc, the planetary gear tool is respectively meshed with the sun gear and the inner gear ring and is driven to rotate by the sun gear, a plurality of cutter fixing grooves are formed in the planetary gear tool 8, and the planetary gear tool is made of high-strength polyurethane rubber.
In an optimized embodiment, the interval width of the checkerboard-type water channels on the lower grinding disc is larger than that of the checkerboard-type water channels on the upper grinding disc, and the interval of the annular water channels on the lower grinding disc is larger than that of the annular water channels on the upper grinding disc.
The working process comprises the following steps:
1) Preparing a cutter: cleaning the CBN cutter with the corresponding specification by using clear water;
2) And (3) drying: the cutter is sent into a dryer to dry water;
3) Preparing a tool: a tool carved by high-strength polyurethane is used, and a cutter is placed in the tool;
4) The detection device comprises: including atmospheric pressure, abrasive disc, upper and lower abrasive disc use the percentage table to beat the table depth of parallelism and are: 0.005mm;
5) Grinding: starting the water circulation of grinding fluid for grinding, blending the 2-10um high-grade diamond and high-purity water 2;
6) The process comprises the following steps: adjusting the rotation speed and time of the equipment, wherein the rotation speed is 500-1500 rpm, and grinding for 1.5 hours;
7) Cleaning: putting the grinded cutter into a clean water tank to remove stains and blow-dry.
Through using the two terminal surface grinding technique, with the change of the cell type of abrasive disc, the material of planet dish changes and guarantees that product thickness dimensional tolerance does: plus or minus 0.02mm, and the product parallelism is as follows: 0.01mm. Through the consistency of the thickness tolerance and the parallelism of the product, the adjustment time of line changing and tool setting of the product is shortened during the application period, and the processing efficiency is effectively improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a CBN cutter grinder's abrasive disc which characterized in that: the grinding device comprises an upper grinding disc, a lower grinding disc and a planetary gear train grinding mechanism, wherein the upper grinding disc is a lifting type grinding disc matched with the lower grinding disc, the planetary gear train grinding mechanism is positioned between the upper grinding disc and the lower grinding disc, the upper grinding disc is provided with a liquid inlet, and the lower grinding disc is provided with a liquid return port;
the upper grinding disc and the lower grinding disc respectively comprise a grinding disc body, and a checkerboard-type water channel and an annular water channel which are arranged on the grinding surface of the grinding disc body in a criss-cross mode, wherein the checkerboard-type water channel and the annular water channel are communicated at the intersection, and a pipeline for communicating the checkerboard-type water channel and the annular water channel is arranged on the grinding disc body.
2. The grinding disk of a CBN tool grinding apparatus as claimed in claim 1, wherein: the annular water channels are concentrically arranged at equal intervals by taking the circle center of the grinding disc body as the center.
3. The grinding disk of a CBN tool grinding apparatus as claimed in claim 2, wherein: the parallelism of the upper grinding disc and the lower grinding disc is 0.002-0.006mm.
4. The grinding disk of the CBN tool grinding apparatus as claimed in claim 3, wherein: the pressure of the upper grinding disc is 0.3Mpa in a compression state.
5. The grinding disk of a CBN tool grinding apparatus as claimed in claim 4, wherein: the interval width of the chessboard type water channels on the lower grinding plate is larger than that of the chessboard type water channels on the upper grinding plate.
6. The grinding disk of the CBN tool grinding apparatus as claimed in claim 5, wherein: the distance between the annular water channels on the lower grinding disc is larger than that on the upper grinding disc.
7. The grinding disk of the CBN tool grinding apparatus as claimed in claim 6, wherein: the planetary gear train grinding mechanism comprises a driving motor, a sun gear, a planetary gear tool and an inner gear ring, wherein the sun gear is located on the upper end face of the lower grinding disc, the inner gear ring is fixed on the periphery of the lower grinding disc, the planetary gear tool is respectively meshed with the sun gear and the inner gear ring and is driven to rotate by the sun gear, and a plurality of cutter fixing grooves are formed in the planetary gear tool.
8. The grinding disk of the CBN tool grinding apparatus as claimed in claim 7, wherein: the lifting mechanism of the upper grinding disc is a cylinder.
9. The grinding disk of the CBN tool grinding apparatus as claimed in claim 8, wherein: the material of wandering star wheel frock is high strength polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580106.1U CN217530220U (en) | 2021-10-26 | 2021-10-26 | Grinding disc of CBN cutter grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580106.1U CN217530220U (en) | 2021-10-26 | 2021-10-26 | Grinding disc of CBN cutter grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217530220U true CN217530220U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122580106.1U Active CN217530220U (en) | 2021-10-26 | 2021-10-26 | Grinding disc of CBN cutter grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217530220U (en) |
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2021
- 2021-10-26 CN CN202122580106.1U patent/CN217530220U/en active Active
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