CN214490035U - Electroplating coating slotting grinding tool - Google Patents
Electroplating coating slotting grinding tool Download PDFInfo
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- CN214490035U CN214490035U CN202120589235.4U CN202120589235U CN214490035U CN 214490035 U CN214490035 U CN 214490035U CN 202120589235 U CN202120589235 U CN 202120589235U CN 214490035 U CN214490035 U CN 214490035U
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Abstract
The utility model relates to an electroplating coating slotting grinding tool, which comprises a base body, a grinding end part fixedly connected with the base body and a water flow channel penetrating through the base body and the grinding end part; the grinding end part is fixedly provided with a plurality of grinding tooth groups which are arranged along the axial direction of the grinding end part, and the plurality of grinding tooth groups are sequentially arranged at intervals along the circumferential direction of the grinding end part; a plurality of water outlet holes are formed between every two adjacent grinding tooth groups, the water outlet holes are sequentially arranged at intervals along the axial direction of the grinding end part, and the water outlet holes are communicated with the water flow channel; each grinding tooth group comprises a plurality of grinding teeth, the grinding teeth are sequentially arranged at intervals along the axial direction of the grinding end portion, and the grinding teeth on the grinding tooth groups are arranged into a grid structure. Compared with the prior art, the utility model discloses can quick chip removal and carry out high-efficient cooling to the gerar grinding, keep the grinding ability, prolong the shape preserving life by a wide margin.
Description
Technical Field
The utility model relates to a grinding apparatus technical field, particularly, in particular to electroplating coating fluting grinding apparatus.
Background
In the prior art, a diamond large helix angle rack tooth grooving grinding tool is commonly used for grooving hard and brittle non-metal materials without edge grinding, as shown in figures 1 and 2, the general diameter range is 8-25mm, the grinding surface of the grooving grinding tool is 180 degrees and is in large-area contact with the materials to be processed, and the method belongs to powerful rough machining with large tool consumption and large grinding heat. A slotting grinding tool with large helix angle (alpha) rack teeth adopts powder metallurgy diamond rack teeth, a plurality of rack teeth are respectively distributed and fixedly connected on a cylindrical substrate in a relative symmetrical relationship of more than or equal to alpha and more than 45 degrees, the diamond rack teeth are mostly fixedly connected by a manual or semi-mechanical brazing processing technology, the requirement on the operating skill is high, and the slotting grinding tool is a processing method with high difficulty, high temperature and high risk.
In the slotting grinding tool in the prior art, an inner-cooling type water through hole is arranged on a base body between teeth, an air flow barrier is formed on the outer contour surface of the slotting grinding tool under the condition of high-speed rotation, when cooling water is sprayed out from the water through hole, a distance space is reserved from a cooling water outlet to the grinding surface, the cooling water can be interfered by air flow and has the action of the teeth with helix angles, a part of the cooling water can form an atomized state to reduce the cooling effect, and a part of the cooling water axially leaves the grinding surface under the action of the teeth with angles and does not have the cooling effect.
The number of teeth of the grooved grinding tool in the prior art is usually 3-6 teeth, and the total arc length of the grinding surfaces of the teeth accounts for about 50% +/-10% of the total circumference of the grooved grinding tool. Since the cutting amount of the grooved grinding tool is equal to the diameter of the grooved grinding tool when the grooved grinding tool is machined, the grinding resistance is higher as the grinding amount is larger as the diameter is larger, so that the grinding efficiency is facilitated as the diameter is reduced. However, reducing the diameter is detrimental to the strength of the grooved abrasive tool and the thickness (i.e., life) of the diamond layer. Because the number of teeth that sets up is less, and the circumference length of flank of tooth is great, and the chip removal route of cuttings is longer, can produce a large amount of grinding heat in the course of working. Because an intermittent grinding mode is adopted, the number of teeth is less, the bounce (impact) in the machining process is larger, the situation of edge breakage or fracture of glass is easily caused, under the technical condition of the prior art, the number of teeth is increased to relieve, but the welding difficulty is increased, the number of water through holes is also increased, the strength of a base body is reduced due to excessive water through holes, the structural strength of the slotting grinding tool is reduced, the slotting grinding tool is not suitable for strong grinding, and the number and the size of the teeth and the number and the size of the water through holes are restrained to a certain extent in order to ensure the structural strength of the slotting grinding tool.
The stress state of the grooved grinding tool during processing is very unique and severe, the stress direction and the stress size of the diamond grinding surface of the grooved grinding tool are changed along with the continuous change of the direction in the processing process, and the grinding in the reverse direction, the tangential direction and the forward direction is changed continuously.
As shown in fig. 3, in the processing process, the stress quantity of the slotting grinding tool with 3 teeth is 1 tooth at the minimum, and the stress change can reach 2 times at the maximum; the stress quantity of the slotting grinding tool with 4 teeth is 2 teeth at least, but the stress change is more than 1 time and less than 1.5 times due to the change of the grinding angle; the minimum stress quantity of the 5-tooth slotting grinding tool is 2 teeth, and the stress change is more than 1 time and less than or equal to 1.5 times; the minimum stress quantity of the slotting grinding tool with 6 teeth is 3 teeth, and the stress change is more than 1 time and less than 1.33 times.
The grooved grinding tool has the characteristic of large stress change range (the fewer the teeth are, the more obvious the range is), and the conditions are more complicated due to the change of processing parameters and requirements (such as rotating speed, feeding speed, workpiece thickness, edge breakage requirements and the like), so that the diamond working layer (metal bond and diamond) of the impregnated grooved grinding tool is difficult to adapt and contain. The impregnated grooved grinding tool in the prior art has the advantages that the grinding surface of the product is easy to lose shape and lose effectiveness, the quality of the product is not solved for a long time, and the requirement of high-speed and high-efficiency processing is more difficult to adapt.
The existing electroplating diamond slotting grinding tool belongs to a shape-preserving slotting grinding tool and can solve the problem of deformation failure. However, the electroplated diamond grooving grinding tool generally only has a single layer of diamond (the shape preserving function of multiple layers is reduced along with the increase of layers), and the carbonization phenomenon can start to occur at about 700 ℃ under the aerobic condition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, an object of the utility model is to provide an electroplating coating fluting grinding apparatus that can quick chip removal and carry out high-efficient cooling to the gerar grinding, keeps the grinding ability, prolongs conformal life-span by a wide margin.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an electroplating coating slotting grinding tool comprises a base body, a grinding end part fixedly connected with the base body and a water flow channel penetrating through the base body and the grinding end part; a plurality of grinding tooth groups which are arranged along the axial direction of the grinding end part are fixedly arranged on the grinding end part, and the plurality of grinding tooth groups are sequentially arranged at intervals along the circumferential direction of the grinding end part;
a plurality of water outlet holes are formed between every two adjacent grinding tooth groups, the water outlet holes are sequentially arranged at intervals along the axial direction of the grinding end part, and the water outlet holes are communicated with the water flow channel;
each grinding tooth group comprises a plurality of grinding teeth, the grinding teeth are sequentially arranged at intervals along the axial direction of the grinding end part, and the grinding teeth on the grinding tooth group are arranged into a grid structure.
The utility model has the advantages that: the device can rapidly remove chips and efficiently cool the grinding teeth, is beneficial to reducing the oxidation of the heat influence of the grinding teeth, keeps the working pressure of single-grain grinding teeth for a long time and keeps the grinding capacity, and greatly prolongs the shape-preserving life of the electroplating coating slotting grinding tool.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, a plurality of the grinding teeth are all made of diamond, and each grinding tooth is wrapped by a wear-resistant layer.
The beneficial effect of adopting the further scheme is that: the wear-resistant layer can reduce the oxidation of the heat influence of the grinding teeth and can also improve the high-temperature resistance of the grinding teeth.
Further, the arc length L of the grinding tooth along the circumferential direction of the grinding end part is 1-15 times of the grain diameter of the diamond.
Further, the length H of the grinding tooth along the axial direction of the grinding end part is 1-15 times of the diamond grain size.
Further, the distance B between every two adjacent grinding teeth on the grinding end part along the axial direction is 0.5-2 times of the grain diameter of the diamond.
Further, the height C of the upper end surface of the grinding tooth relative to the grinding end surface is 0.3-2 times of the diamond grain size.
The beneficial effect of adopting the further scheme is that: the negative effect of the airflow barrier can be greatly reduced, and the cooling efficiency of the cooling water on the grinding teeth is improved.
Further, the ratio of the cumulative length of the distance between adjacent grinding teeth at the circumference of each circle on the grinding end part to the circumference of the grinding end part is 30-85: 100.
the beneficial effect of adopting the further scheme is that: the density of the grinding teeth can be adjusted by adjusting the ratio of the accumulated length value to the circumference of the grinding end part so as to adapt to equipment and processing parameters.
Further, the distance h between two adjacent water outlet holes along the axial direction of the grinding end part is larger than or equal to 0.3 mm.
The beneficial effect of adopting the further scheme is that: the intensity of grinding tip can be guaranteed to the interval of two apopores, can also promote the cooling efficiency of gerar grinding.
Furthermore, an end surface water hole communicated with the water flow channel is formed in the end surface, far away from the base body, of the grinding end part; a plurality of radial water grooves are arranged on the edge of the end face, far away from the base body, of the grinding end part, and are arranged along the radial direction of the grinding end part; each radial water tank is communicated with the interval between two adjacent grinding tooth groups.
Further, the water flow channel is formed by electric spark, wire cutting or laser processing.
Drawings
FIG. 1 is a front view of a prior art diamond large helix angle spline tooth grooving tool;
FIG. 2 is a schematic diagram of a prior art diamond large helix angle spline tooth grooving tool;
FIG. 3 is a front view of a prior art diamond grooved abrasive tool;
FIG. 4 is a front view of an electroplated coated grooved abrasive tool of the present invention;
FIG. 5 is an enlarged schematic view of FIG. 4 at F;
FIG. 6 is a front view of an electroplating coated grooved abrasive tool of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at E;
fig. 8 is a DD cross-sectional view of fig. 6.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a substrate;
2. grinding the end part, 2.1 water outlet holes, 2.2 end surface water holes and 2.3 radial water grooves;
3. a water flow channel;
4. grinding the tooth group, 4.1, grinding the tooth;
5. and (5) a workpiece.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 4 to 8, an electroplating coated grooved grinding tool comprises a base body 1, a grinding end part 2 fixedly connected with the base body 1, and a water flow channel 3 penetrating through the base body 1 and the grinding end part 2; a plurality of grinding tooth groups 4 arranged along the axial direction of the grinding end part 2 are fixedly arranged on the grinding end part 2, and the plurality of grinding tooth groups 4 are sequentially arranged at intervals along the circumferential direction of the grinding end part 2;
a plurality of water outlet holes 2.1 are formed between every two adjacent grinding tooth groups 4, the water outlet holes 2.1 are sequentially arranged at intervals along the axial direction of the grinding end part 2, and the water outlet holes 2.1 are communicated with the water flow channel 3;
each grinding tooth group 4 comprises a plurality of grinding teeth 4.1, the grinding teeth 4.1 are sequentially arranged at intervals along the axial direction of the grinding end part 2, and the grinding teeth 4.1 on the grinding tooth groups 4 are arranged into a grid structure.
A plurality of grinding teeth 4.1 are arranged on the columnar grinding end part 2, a grid structure is arranged along the outer surface of the grinding end part 2, a plurality of grinding teeth 4.1 form a groove between two adjacent grinding teeth 4.1, when the substrate 1 drives the plurality of grinding teeth 4.1 to grind a workpiece 5 through the grinding end part 2, the grinding teeth 4.1 are cooled by discharging waste chips and leading cooling water by utilizing the groove, the plurality of grinding teeth 4.1 are arranged into the grid structure, the groove is made to be of the grid structure, chips can be rapidly discharged, the grinding teeth 4.1 can be efficiently cooled, the oxidation caused by heat of the grinding teeth 4.1 can be reduced, the working pressure of single-grain grinding teeth 4.1 can be kept for a long time, the grinding capacity can be kept, and the shape-preserving service life of the electroplating coating slotting grinding tool can be greatly prolonged.
In the above embodiment, the plurality of grinding teeth 4.1 are made of diamond, and each grinding tooth 4.1 is wrapped with a wear-resistant layer.
The wear-resistant layer covers the grinding teeth 4.1 made of diamond, so that the oxidation of heat influence of the grinding teeth 4.1 can be reduced, and the high-temperature resistance of the grinding teeth 4.1 can be improved, thereby keeping the working pressure of single-grain grinding teeth 4.1 for a long time and the grinding capacity, and greatly prolonging the shape-preserving life of the electroplating coating slotting grinding tool.
In the above embodiment, the arc length L of the grinding tooth 4.1 along the circumferential direction of the grinding end portion 2 is 1 to 15 times the diamond grain size. The arc length L of the grinding tooth 4.1 in the circumferential direction of the grinding tip 2 is preferably 1 to 10 times, more preferably 2 to 3 times, the diamond grain size. Wherein the diamond particle size is 0.3 mm.
In the above embodiment, the length H of the grinding tooth 4.1 in the axial direction of the grinding tip 2 is 1 to 15 times the diamond grain size. The length H of the grinding tooth 4.1 in the axial direction of the grinding tip 2 is preferably 1 to 10 times, more preferably 2 to 3 times, the diamond grain size. Wherein the diamond particle size is 0.3 mm.
In the above embodiment, the distance B between two adjacent grinding teeth 4.1 on the grinding end portion 2 in the axial direction thereof is 0.5 to 2 times the grain size of diamond. The distance B between two adjacent grinding teeth 4.1 on the grinding end part 2 along the axial direction is preferably 0.5-1 times of the diamond grain diameter. Wherein the diamond particle size is 0.3 mm.
In the above embodiment, the height C of the upper end surface of the grinding tooth 4.1 relative to the surface of the grinding tip 2 is 0.3 to 2 times the diamond grain size. The height C of the upper end face of the grinding tooth 4.1 relative to the surface of the grinding tip 2 is preferably 0.3 to 0.5 times the diamond grain size. Wherein the diamond particle size is 50/60.
The proper height C of the grinding teeth 4.1 is set, so that the grooves of the net-shaped structure are in proper depth, the negative effect of the airflow barrier can be greatly reduced, and the cooling efficiency of cooling water on the grinding teeth 4.1 is improved.
In the above embodiment, the ratio of the cumulative length of the distance between adjacent grinding teeth 4.1 at each circle of circumference on the grinding end portion 2 to the circumference of the grinding end portion 2 is 30-85: 100. by adjusting the ratio of the accumulated length to the circumference of the grinding tip 2, the density of the grinding teeth 4.1 can be adjusted to suit the equipment and machining parameters.
In the above embodiment, the distance h between two adjacent water outlet holes 2.1 on the grinding end portion 2 along the axial direction thereof is greater than or equal to 0.3 mm. Through controlling the interval between two adjacent apopores 2.1, can guarantee the intensity of grinding tip 2, can also furthest derive the cooling water and cool off 4.1 to the gerar grinding, promote the cooling efficiency of gerar grinding 4.1.
In the above embodiment, the end face of the grinding end part 2 far away from the base body 1 is provided with an end face water hole 2.2 communicated with the water flow channel 3; the edge of the end face, far away from the base body 1, of the grinding end part 2 is provided with a plurality of radial water grooves 2.3, and the radial water grooves 2.3 are arranged along the radial direction of the grinding end part 2; each radial water tank 2.3 is communicated with the space between two adjacent grinding tooth groups 4.
Leading-in cooling water in the rivers passageway 3 discharges through terminal surface water hole 2.2, and the cooling water cools off grinding tooth 4.1 to 2 edges of grinding tip on through a plurality of radial basin 2.3 water conservancy diversion to grinding tooth 4.1, can promote the radiating efficiency of 2 grinding in-process of grinding tip.
In the above embodiment, the water flow channel 3 is formed by electric spark, wire cutting or laser machining.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An electroplating coating slotting grinding tool comprises a base body (1), a grinding end part (2) fixedly connected with the base body (1), and a water flow channel (3) penetrating through the base body (1) and the grinding end part (2); the method is characterized in that: a plurality of grinding tooth groups (4) which are arranged along the axial direction of the grinding end part (2) are fixedly arranged on the grinding end part (2), and the plurality of grinding tooth groups (4) are sequentially arranged at intervals along the circumferential direction of the grinding end part (2);
a plurality of water outlet holes (2.1) are formed between every two adjacent grinding tooth groups (4), the water outlet holes (2.1) are sequentially arranged at intervals along the axial direction of the grinding end part (2), and the water outlet holes (2.1) are communicated with the water flow channel (3);
each grinding tooth group (4) comprises a plurality of grinding teeth (4.1), the grinding teeth (4.1) are sequentially arranged at intervals along the axial direction of the grinding end part (2), and the grinding teeth (4.1) on the grinding tooth group (4) are arranged into a grid structure.
2. The electroplated coated grooved abrasive tool of claim 1, wherein: the grinding teeth (4.1) are all made of diamond, and each grinding tooth (4.1) is wrapped with a wear-resistant layer.
3. The electroplated coated grooved abrasive tool of claim 1, wherein: the arc length L of the grinding tooth (4.1) along the circumferential direction of the grinding end part (2) is 1-15 times of the grain diameter of the diamond.
4. The electroplated coated grooved abrasive tool of claim 1, wherein: the length H of the grinding tooth (4.1) along the axial direction of the grinding end part (2) is 1-15 times of the grain diameter of the diamond.
5. The electroplated coated grooved abrasive tool of claim 1, wherein: the distance B between two adjacent grinding teeth (4.1) on the grinding end part (2) along the axial direction is 0.5-2 times of the diamond grain diameter.
6. The electroplated coated grooved abrasive tool of claim 1, wherein: the height C of the upper end surface of the grinding tooth (4.1) relative to the surface of the grinding end part (2) is 0.3-2 times of the diamond grain size.
7. The electroplated coated grooved abrasive tool of claim 1, wherein: the ratio of the cumulative length value of the distance between adjacent grinding teeth (4.1) at each circle of circumference on the grinding end part (2) to the circumference of the grinding end part (2) is 30-85: 100.
8. the electroplated coated grooved abrasive tool of claim 1, wherein: the distance h between two adjacent water outlet holes (2.1) on the grinding end part (2) along the axial direction is larger than or equal to 0.3 mm.
9. The electroplated coated grooved abrasive tool of claim 1, wherein: an end surface water hole (2.2) communicated with the water flow channel (3) is formed in the end surface, far away from the base body (1), of the grinding end part (2); the edge of the end face, far away from the base body (1), of the grinding end part (2) is provided with a plurality of radial water grooves (2.3), and the radial water grooves (2.3) are arranged along the radial direction of the grinding end part (2); each radial water tank (2.3) is communicated with the interval between two adjacent grinding tooth groups (4).
10. The electroplated coated grooved abrasive tool of any of claims 1 to 9, wherein: the water flow channel (3) is formed by electric spark, wire cutting or laser processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120589235.4U CN214490035U (en) | 2021-03-23 | 2021-03-23 | Electroplating coating slotting grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120589235.4U CN214490035U (en) | 2021-03-23 | 2021-03-23 | Electroplating coating slotting grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214490035U true CN214490035U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120589235.4U Active CN214490035U (en) | 2021-03-23 | 2021-03-23 | Electroplating coating slotting grinding tool |
Country Status (1)
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|---|---|
| CN (1) | CN214490035U (en) |
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2021
- 2021-03-23 CN CN202120589235.4U patent/CN214490035U/en active Active
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