K-wave diamond saw blade
Technical Field
The utility model relates to the technical field of hard material cutting tools, in particular to a K-wave diamond saw blade.
Background
The diamond saw blade is a common cutting tool for cutting hard materials such as concrete, stone, ceramics and the like, and mainly comprises a disc-shaped matrix with a flange and a tool bit which is sintered and connected with the outer edge of the matrix by a hot pressing process, wherein the tool bit is formed by processing matrix materials such as metal and mixed diamond particles, the tool bit plays a cutting role in the use process, and diamond rubs and cuts a processed object in the tool bit.
The current diamond saw blade mainly depends on the improvement of a tool bit matrix or the grade of diamond particles to improve the cutting sharpness, and has the defects of increased cost or poor control of the production process.
Disclosure of utility model
The present utility model has been made keeping in mind the above problems occurring in the prior art, and an object of the present utility model is to provide a K-wave diamond saw blade, which has improved sharpness by providing a cutting edge of a specific shape and an operating angle at a bit portion.
The technical scheme of the utility model is as follows:
The utility model provides a K ripples diamond saw bit, includes base member (1) and tool bit (2) that the flange is concentric, and tool bit (2) surface is provided with cutting edge (3) in the surface of protrusion, the inflection angle (a) of cutting edge (3) is 108 degrees.
Optionally or preferably, the surface of the tool bit is further provided with a K-shaped chip groove (4) protruding out of the surface, the chip groove (4) comprises an outer V-shaped angle (41) with an opening towards the outer edge of the tool bit (2) and an inner V-shaped angle (42) with an opening towards the center of a circle, the outer V-shaped angle (41) comprises a first outer side wall (411), the inner V-shaped angle (42) comprises a second outer side wall (421), an included angle between the first outer side wall (411) and the second outer side wall (421) is 108 degrees, and the cutting edge (3) is arranged in parallel with the first outer side wall (411) and the second outer side wall (421).
Optionally or preferably, the cutting edges (3) and the chip grooves (4) are uniformly distributed on the cutter head (2) at intervals.
Optionally or preferably, the cutter head (2) is also provided with a heat-resistant groove (5) which extends along the outer edge of the cutter head (2) towards the inner edge in a linear inclined manner, and the heat-resistant groove (5) penetrates through the upper surface and the lower surface of the cutter head.
Alternatively or preferably, the included angle at the intersection of the tail end of the heat-resistant groove (5) and the diameter (D) of the saw blade is 21 degrees.
Optionally or preferably, the number of the heat-resistant grooves (5) is 4-8, and the heat-resistant grooves are uniformly distributed on the cutter head (2). The number of the heat-resistant grooves (5) can be adjusted according to the size of the saw blade, for example, if the diameter of the saw blade is larger, more heat-resistant grooves (5) can be arranged, if the diameter of the saw blade is smaller, more heat-resistant grooves (5) are arranged, and 4-8 heat-resistant grooves are better in general.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, 108-degree bending cutting edges which are circumferentially distributed are arranged on the surface of the cutter head, and the cutting sharpness is improved by utilizing the 108-degree sharp angles of the cutting edges, so that the cutting speed can be better improved. The K-shaped chip removal groove is provided with an inner V-shaped groove and an outer V-shaped groove, which is more beneficial to chip removal. The heat-resistant groove divides the cutter head into a plurality of areas which are not connected, so that the heat-resistant function can be effectively achieved, the included angle is 21 degrees, the dual purposes of firmness and heat resistance are achieved, and the tooth falling risk is reduced.
Drawings
Fig. 1 is a schematic diagram showing the arrangement of cutting grooves of a K-wave diamond saw blade in example 1.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 shows a cutting groove in the structure of a part of the tool bit of the K-wave diamond saw blade in example 1.
In the figure:
1-matrix, 2-tool bit, 3-cutting edge, 4-junk slot, 41-outside V angle, 411-first lateral wall, 412-outside groove, 42-inside V angle, 421-second lateral wall, 422-inside groove, 5-heat-resisting groove.
Detailed Description
For a better understanding of the present application, reference will now be made in detail to the present embodiments, examples of which are illustrated in the accompanying drawings, wherein the present application is illustrated in the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
Example 1
Please refer to fig. 1 and 2, which are a K-wave diamond saw blade, comprising a base body 1 with flange concentric center and a tool bit 2, wherein the surface of the tool bit 2 is provided with a plurality of cutting edges 3 protruding out of the surface and K-shaped chip grooves 4, and the cutting edges 3 and the chip grooves 4 are uniformly distributed along the circumference of the tool bit at intervals.
Referring to fig. 2, the chip groove 4 includes an outer V-shaped angle 41 opening toward the outer edge of the chip 2 and an inner V-shaped angle 42 opening toward the center, and outer and inner grooves 412 and 422 formed at the opening portions of the outer V-shaped angle 41 and the inner V-shaped angle 42 are effective to discharge chips generated during cutting. The outer V angle 41 includes a first outer sidewall 411, and the inner V angle 42 includes a second outer sidewall 421, where an included angle between the first outer sidewall 411 and the second outer sidewall 421 is 108 degrees. The cutting edge 3 is parallel to the first outer side wall 411 and the second outer side wall 421, and 108-degree bending through grooves formed between the cutting edge and the first outer side wall 411 and the second outer side wall 421 are also beneficial to chip removal. The bending angle a of the cutting edge 3 is 108 degrees, and the running angle can better improve the cutting speed, thereby improving the cutting sharpness of the saw blade.
Referring to fig. 3, the cutter head 2 is further provided with a plurality of heat-blocking grooves 4 extending linearly and obliquely along the outer edge to the inner edge of the cutter head 2, and the heat-blocking grooves 4 penetrate the upper surface and the lower surface of the cutter head 2 and are generally processed by adopting a laser linear cutting mode. The included angle c at the intersection of the tail end of the heat-resistant groove 4 close to the center of the circle and the diameter D of the saw blade is 21 degrees, so that the advantages of heat resistance and firmness can be taken into account, and the risk of continuous burning of adjacent areas of the cutter heads at the two sides of the heat-resistant groove during rotation operation of the saw blade is reduced.
According to the K-wave diamond saw blade, the cutting sharpness is improved through the improvement of the structural style and angle of the cutting edge and the chip groove of the tool bit, and in addition, the heat dissipation effect is improved through the design of the inclined linear heat-resistant groove.
Specific examples are set forth herein to illustrate the utility model in detail, and the description of the above examples is only for the purpose of aiding in understanding the core concept of the utility model. It should be noted that any obvious modifications, equivalents, or other improvements to those skilled in the art without departing from the inventive concept are intended to be included in the scope of the present utility model.