Metal grinding wheel slotting tool

Abstract

The utility model discloses a metal grinding wheel slotting tool, and relates to the field of grinding wheel slotting. The metal grinding wheel slotting tool comprises a base. A plurality of support rods, wherein the plurality of support rods are positioned on the base; the support is arranged at the tops of the supporting rods, and the support is provided with a groove; the rotating platform is connected in the groove, and a connecting hole communicated with the two ends is formed in the rotating platform; the indexing shaft penetrates through the connecting hole and the two ends of the support, and the indexing shaft and the rotating platform are fixed in a pin joint mode; the first screws are arranged on the support and located on the two sides of the rotating platform. And the pressing plate is arranged on the rotating platform, the pressing plate comprises two disc structures, and a matching shaft is arranged between the two disc structures. The tool provided by the utility model is uniform in grooving angle, stable in deep processing, high in grooving efficiency and convenient to clamp.

Description

Technical Field

[0001] This utility model relates to the field of grinding wheel grooving technology, and in particular to a metal grinding wheel grooving tool. Background Technology

[0002] During the operation of metal-bonded superhard grinding wheels, high temperatures and grinding chips are generated after local grinding is completed. In order to avoid excessive temperature of the grinding wheel and workpiece, timely removal of grinding chips, and to ensure the grinding quality of the workpiece, chip removal grooves should be opened on the outer grinding surface of the grinding wheel to accelerate the removal and cooling of grinding chips. Among them, spiral chip removal grooves have better chip removal and cooling effects.

[0003] Due to their high hardness, metal-bonded grinding wheels are currently grooved using single-groove EDM machines, which results in low production efficiency, inconsistent grooving angles, uneven arrangement, and is unsuitable for mass production. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects of the prior art and provide a metal grinding wheel grooving tool to solve the problems of low production efficiency, inconsistent grooving angle, uneven arrangement, and unsuitability for mass production in single-grooving EDM.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a metal grinding wheel grooving tool, including a base;

[0007] Multiple support rods are located on the base;

[0008] A bracket is disposed on top of the plurality of support rods, the bracket having a groove;

[0009] A rotating platform is connected within the groove, and the rotating platform is provided with a connecting hole that connects both ends.

[0010] The indexing shaft passes through the connecting hole and both ends of the bracket, and is pin-connected and fixed to the rotating platform;

[0011] The first screw is disposed on the bracket and located on both sides of the rotating platform;

[0012] A pressure plate is disposed on the rotating platform. The pressure plate includes two disc structures and a mating shaft is provided between the two disc structures. The mating shaft is a hollow structure.

[0013] The second screw is located in the hollow structure of the mating shaft and connects the pressure plate and the rotating platform.

[0014] In some embodiments, the rotating platform and the support are coaxial, and the rotating platform and the support are connected by the indexing shaft.

[0015] In some embodiments, the rotating platform is rotatable from -75° to +75° on the vertical plane of the base.

[0016] In some embodiments, the rotating platform is provided with a threaded hole, which is positioned in conjunction with the second screw, and the pressure plate is connected to the rotating platform by the second screw.

[0017] In some embodiments, the bracket has through holes at both ends for the screw to pass through, the diameter of the through holes being larger than the diameter of the indexing shaft, and one end of the through holes is also connected to a clamping hole for the first screw to rotate and clamp. Specifically, there is a gap between the bracket and the through holes.

[0018] In some embodiments, one end of the bracket has a first angular division marking, and the indexing shaft has a second angular division marking.

[0019] In some embodiments, the hollow structure of the mating shaft is provided with threads, and the mating shaft is broken in the middle.

[0020] This utility model provides a metal grinding wheel grooving tool, which, compared with the prior art, has the following advantages:

[0021] Beneficial effects:

[0022] This metal grinding wheel grooving fixture can achieve grooving at an inclination angle of 0° to 75°. The metal grinding wheel grooving angle is evenly distributed, the depth of machining is stable, the grooving efficiency is high, and it is easy to clamp. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the metal grinding wheel grooving fixture of this utility model;

[0025] Figure 2 This is a schematic diagram of the connection hole of the metal grinding wheel grooving fixture of this utility model;

[0026] Figure 3 This is a schematic diagram of the indexing shaft of the metal grinding wheel grooving fixture of this utility model;

[0027] Figure 4 This is a schematic diagram of the pressure plate of the metal grinding wheel grooving fixture of this utility model;

[0028] Figure 5 This is a cross-sectional view of the pressure plate of the metal grinding wheel grooving fixture of this utility model;

[0029] Figure 6 This is a working schematic diagram of the metal grinding wheel grooving fixture of this utility model;

[0030] Figure 7 This is a cross-sectional view of the rotating platform of the metal grinding wheel grooving fixture of this utility model;

[0031] Figure 8 This is a schematic diagram of the through hole of the metal grinding wheel grooving fixture of this utility model.

[0032] The attached diagram lists the components represented by each number as follows:

[0033] 1. Base; 2. Support rod; 3. Bracket; 31. Groove; 32. First angle evenly divided engraving; 33. Through hole;

[0034] 34. Clamping hole; 35. Gap; 4. Rotating platform; 41. Connecting hole; 5. Indexing shaft; 51. Second angle evenly divided engraving; 6. First screw; 7. Pressure plate; 71. Disc structure; 72. Mating shaft; 8. Second screw; 81. Bolt; 9. Grinding wheel; 91. Chip removal groove; 10. Graphite electrode EDM machine. Detailed Implementation

[0035] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] like Figure 1 As shown, this utility model provides a metal grinding wheel grooving fixture, which includes a base 1.

[0037] like Figure 1 As shown, the metal grinding wheel grooving fixture includes multiple support rods 2, which are located on the base 1.

[0038] like Figure 1 As shown, the metal grinding wheel grooving fixture includes a bracket 3, which is disposed on the top of the plurality of support rods 2, and the bracket 3 has a groove 31.

[0039] like Figure 1As shown, the metal grinding wheel grooving fixture includes a rotating platform 4, which is connected to the groove 31. The rotating platform 4 has a connecting hole 41. The rotating platform 4 can rotate at an angle of -75° to +75° on the vertical plane of the base 1.

[0040] like Figure 1 , Figure 2 and Figure 3 As shown, the metal grinding wheel grooving fixture includes an indexing shaft 5, which passes through the connecting hole 41 and both ends of the bracket 3. The indexing shaft 5 is pin-connected to the rotating platform 4, and the diameter of the indexing shaft 5 is equal to the inner diameter of the connecting hole 41. The indexing shaft 5 drives the rotating platform 4 to rotate. The rotating platform 4 and the bracket 3 are coaxial and connected by the indexing shaft 5. One end of the bracket 3 has a first angular division marking 32, and the indexing shaft 5 has a second angular division marking 51.

[0041] like Figure 1 , Figure 7 and Figure 8 As shown, the metal grinding wheel grooving fixture includes a first screw 6, which is mounted on the bracket 3 and located on both sides of the rotating platform 4. The bracket 3 has through holes 33 at both ends for the indexing shaft 5 to pass through. The diameter of the through holes 33 is larger than the diameter of the indexing shaft 5. One end of the through holes 33 is also connected to a clamping hole 34 for the first screw 6 to be rotated and clamped. Specifically, there is a gap 35 between the bracket 3 and the through holes 33. Tightening the first screw 6 can clamp and fix the indexing shaft 5, and loosening the first screw 6 can adjust the angle of the rotating platform 4.

[0042] like Figure 1 , Figure 4 and Figure 5 As shown, the metal grinding wheel grooving fixture includes a pressure plate 7, which is mounted on the rotating platform 4. The pressure plate 7 includes two disc structures 71, and a mating shaft 72 is provided between the two disc structures 71. The mating shaft 72 is a hollow structure with threads, and the middle part of the mating shaft 72 can be disconnected.

[0043] like Figure 1 , Figure 4 and Figure 5As shown, the metal grinding wheel grooving fixture includes a second screw 8, which is located in the hollow structure of the mating shaft 72. The second screw 8 connects the pressure plate 7 and the rotating platform 4. The second screw 8 can connect the upper and lower parts of the mating shaft 72. The rotating platform 4 is provided with a threaded hole, which mates with the second screw 8 for positioning. The pressure plate 7 is connected to the rotating platform 4 via the second screw 8.

[0044] like Figure 1 and Figure 6 As shown, when the metal grinding wheel grooving fixture is working, the grinding wheel 9 is located between the two disc structures 61, and the second screw 8 passes through the grinding wheel 9 and the pressure plate 7, and the grinding wheel 9 is locked on both sides by the second screw 8.

[0045] When using this utility model: 1. Fix the base 1 on the processing guide rail of the graphite electrode EDM machine 10, loosen the first screw 6, adjust the horizontal scale line on the indexing shaft 5 to align with the 30° corresponding first angle marking 32 of the bracket 3, and tighten the first screw 6.

[0046] 2. Install the grinding wheel 9 onto the mating shaft 72 of the pressure plate 7, and tighten the second screw 8.

[0047] 3. Adjust the support rod 2 so that the center of the grinding wheel 9 and the center of the graphite electrode EDM 10 are at the same horizontal height; through the positive movement of the electrode of the graphite electrode EDM 10, a chip removal groove 91 with a width of 1 mm, a depth of 4 mm, and an inclination of 30° is generated on the outer circumference of the grinding wheel 9 by electrical discharge.

[0048] 4. After a single groove is processed, the graphite electrode EDM machine 10 retracts, the second screw 8 is loosened, and the grinding wheel 9 and pressure plate 8 are rotated at evenly spaced angles to continue grooving until the entire circumference is grooved.

[0049] Therefore, the metal grinding wheel grooving fixture provided by this utility model can achieve grooving with an inclination angle of 0° to 75°, with uniform grooving angle, stable depth processing, high grooving efficiency, and convenient clamping.

[0050] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A metal grinding wheel grooving fixture, characterized in that, The metal grinding wheel grooving fixture includes: Base; Multiple support rods are located on the base; A bracket is disposed on top of the plurality of support rods, the bracket having a groove; A rotating platform is connected within the groove, and the rotating platform is provided with a connecting hole that connects both ends. The indexing shaft passes through the connecting hole and both ends of the bracket, and is pin-connected and fixed to the rotating platform; The first screw is disposed on the bracket and located on both sides of the rotating platform; A pressure plate is disposed on the rotating platform. The pressure plate includes two disc structures and a mating shaft is provided between the two disc structures. The mating shaft is a hollow structure. The second screw is located in the hollow structure of the mating shaft and connects the pressure plate and the rotating platform.

2. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The rotating platform and the support are coaxial, and the rotating platform and the support are connected by the indexing shaft.

3. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The indexing shaft drives the rotating platform to rotate, and the diameter of the indexing shaft is equal to the inner diameter of the connecting hole.

4. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The rotating platform can rotate at an angle of -75° to +75° on the vertical plane of the base.

5. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The rotating platform is provided with a threaded hole, which is positioned in conjunction with the second screw. The pressure plate is connected to the rotating platform by the second screw.

6. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The bracket has through holes at both ends for the indexing shaft to pass through. The diameter of the through holes is larger than the diameter of the indexing shaft. One end of the through holes is also connected to a clamping hole for the first screw to rotate and clamp. There is a gap between the bracket and the through holes.

7. The metal grinding wheel grooving fixture according to claim 1, characterized in that, One end of the bracket has a first angular division marking, and the indexing shaft has a second angular division marking.

8. The metal grinding wheel grooving fixture according to claim 1, characterized in that, The hollow structure of the mating shaft is provided with threads, and the mating shaft is broken in the middle.

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