CN220241981U

CN220241981U - Diamond tool bit and diamond saw blade with same

Info

Publication number: CN220241981U
Application number: CN202321767555.XU
Authority: CN
Inventors: 黄雪榕; 宋卫涛; 刘庆峰; 韦含真; 郭友挺; 严昕; 陈明泉
Original assignee: Fujian Tianshiyuan Technology Co ltd
Current assignee: Fujian Tianshiyuan Technology Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-26
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a diamond tool bit and a diamond saw blade with the same, wherein the diamond tool bit comprises a working layer and a non-working layer which are sequentially stacked left and right. Above-mentioned technical scheme provides a diamond tool bit, the direction stacks about working layer and non-working layer in proper order, the chip groove extends along the fore-and-aft direction of working layer and non-working layer, through the top height that reduces non-working layer, the top of non-working layer is less than the top of working layer for form the chip groove between the lateral part of working layer and the top of non-working, the chip groove helps the piece discharge after the cutting, improve cutting efficiency, in addition the setting of chip groove increases the exposure part of working layer, the play sword height of increase working layer, increase diamond tool bit's grinding effect, improve diamond tool bit's cutting efficiency.

Description

Diamond tool bit and diamond saw blade with same

Technical Field

The utility model relates to the technical field of diamond tool bits, in particular to a diamond tool bit and a diamond saw blade with the same.

Background

The diamond tool bit (tool bit for short) is a diamond cutting tool which is commonly used in the industries of stone exploitation and processing at present, and the production mode is as follows: the artificial diamond particles are solidified on metal powder by cold pressing and the like to prepare a diamond sheet, then the diamond sheet and the iron sheet are sequentially stacked (taking Duoming as an example), placed in a sintering mould and tightly combined by high-temperature sintering and the like.

In the process of cutting stone by the cutter head, the diamond on the cutting surface of the cutter head is a main body with a grinding effect, the outer layer diamond is scored into stone ore bodies under the pressure effect of the cutter head, the stone ore bodies are extruded and torn, rock powder is ground, and the diamond is gradually consumed during the process. Meanwhile, the ground rock powder is mixed in cooling water flow to continuously perform scouring and grinding functions on the metal matrix holding the diamond, so that the diamond on the cutting surface of the cutter head keeps a certain exposure height, and the diamond embedded in the metal matrix is also slowly exposed to form a new cutting edge.

The structure of the existing diamond tool tip can be seen in China patent 202021027771. X, and all sides of the diamond tool tip are planar. The diamond saw blade assembled by the diamond tool bit forms cutting kerf on the stone surface in the operation process, and the cutting kerf can lead to kerf unevenness because of debris such as rubble, smear metal, influences cutting efficiency, and the diamond saw blade can damage at uneven kerf passageway operation.

Disclosure of Invention

Therefore, it is necessary to provide a diamond tool bit and a diamond saw blade with the diamond tool bit, which solves the problems that in the operation process of the diamond saw blade assembled by the diamond tool bit, saw kerfs are uneven due to sundries such as broken stone, cutting chips and the like, the cutting efficiency is affected, and the diamond saw blade is damaged in the operation of uneven saw kerf passages.

In order to achieve the above-mentioned purpose, the application provides a diamond tool bit, including control work layer and non-working layer that stacks in proper order, the top of non-working layer is less than the top of work layer, the lateral part of work layer with form the junk slot between the top of non-working layer.

Further, the height of the outlet edge of the working layer is 2.75-5mm.

Further, the two working layers were 1.5mm apart.

Further, the top of the non-working layer is flat or uneven.

Further, when the top of the non-working layer is uneven, the top of the non-working layer is wavy.

Further, the top of the working layer is M-shaped.

Further, the working layer is a diamond sheet formed by solidifying diamond particles on metal powder.

Further, the non-working layer is an iron sheet.

Further, the working layer and the non-working layer are sintered together.

In order to achieve the above object, the present application further provides a diamond saw blade, including a diamond tool bit and a substrate, wherein the diamond tool bit is disposed on the outer peripheral surface of the substrate, and the diamond tool bit is the diamond tool bit according to any one of the embodiments.

In order to be different from prior art, above-mentioned technical scheme provides a diamond tool bit, the direction stacks about working layer and non-working layer in proper order, the chip groove extends along the fore-and-aft direction of working layer and non-working layer, through the top height that reduces non-working layer, the top of non-working layer is less than the top of working layer for form the chip groove between the lateral part of working layer and the top of non-working, the chip groove helps the piece discharge after the cutting, improve cutting efficiency, in addition the setting of chip groove increases the exposure part of working layer, increase the play sword height of working layer, increase diamond tool bit's grinding effect, improve diamond tool bit's cutting efficiency.

Drawings

FIG. 1 is a perspective view of a diamond tip with a flat top of the non-working layer in this embodiment;

FIG. 2 is a side view of a diamond tip with a flat top of the non-working layer in this embodiment;

FIG. 3 is a perspective view of a diamond tip with the top of the non-working layer being curved in this embodiment;

FIG. 4 is a side view of a diamond tip with the top of the non-working layer being curved in this embodiment;

FIG. 5 is a perspective view of a diamond tip with a wavy top portion of the non-working layer in this embodiment;

FIG. 6 is a side view of a diamond tip with a wavy top portion of the non-working layer in this embodiment;

FIG. 7 is a perspective view of a diamond tip with a top portion of the non-working layer in this embodiment being V-shaped;

FIG. 8 is a side view of a diamond tip with a top V-shaped non-working layer in this embodiment;

fig. 9 is a side view of the diamond saw blade in this embodiment.

Reference numerals illustrate:

1. a diamond cutter head;

2. a working layer;

3. a non-working layer;

4. chip removal groove.

Detailed Description

In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing a logical relationship between objects, which means that there may be three relationships, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.

Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.

Referring to fig. 1 to 8, the present embodiment provides a diamond tool bit, which includes a working layer 2 and a non-working layer 3 stacked in turn from side to side, wherein the top of the non-working layer 3 is lower than the top of the working layer 2, a chip groove 4 is formed between the side of the working layer 2 and the top of the non-working layer 3, and the top of the working layer 2 is a cutting surface, so that stone can be cut.

According to one embodiment of the present application, the working layer has an exit edge height of 2.75-5mm (millimeters). Too small blade height can lead to the diamond tool bit to be shallow in rock mass penetration, small in grinding effect and low in cutting efficiency, and chip removal space is reduced; excessive blade height can result in diamond tips that are prone to breakage.

According to one embodiment of the application, the two working layers are spaced apart by 1.5mm (millimeters), i.e. the junk slots have a width of 1.5mm, the spacing between the two working layers being dependent on the actual requirements. In some embodiments, the two working layers may be 1mm, 2mm, 3mm, etc. apart.

Referring to fig. 1 to 8, according to one embodiment of the present application, there are five working layers 2, four non-working layers 3, the working layers 2 and the non-working layers 3 are sequentially stacked left and right, and one junk slot 4 is formed in the two working layers 2 and the non-working layers 3 between the two working layers 2, and there are four junk slots 4 in total.

According to one embodiment of the present application, the top of the non-working layer 3 is flat or rugged. The top of the non-working layer 3 is used as the bottom of the chip removal groove 4, the top of the non-working layer 3 is straight, the bottom of the chip removal groove 4 is straight, and the structure is shown in fig. 1 and 2; the top of the non-working layer 3 is uneven, the bottom of the junk slots 4 is uneven, for example, in fig. 3 and 4, the top of the non-working layer 3 is arc-shaped, in fig. 5 and 6, the top of the non-working layer 3 is wavy, and in fig. 7 and 8, the top of the non-working layer 3 is V-shaped.

Referring to fig. 1, 3, 5 and 7, according to an embodiment of the present application, the top of the working layer 2 is in an M shape, and the M shape has two sharp portions, and has a small contact area with stone, a large pressure, and a grinding effect of the diamond tool bit can be increased, so that cutting efficiency is improved.

Referring to fig. 1, 3, 5 and 7, according to one embodiment of the present application, the working layer 2 is a diamond sheet formed by solidifying diamond particles on metal powder. The synthetic diamond particles may be consolidated onto the metal powder using a cold-pressing process to form a diamond sheet.

Referring to fig. 1, 3, 5 and 7, according to one embodiment of the present application, the non-working layer 3 is an iron sheet.

Referring to fig. 1, 3, 5 and 7, according to one embodiment of the present application, the working layer 2 and the non-working layer 3 are sintered together. The working layer 2 and the non-working layer 3 are sequentially stacked in the left-right direction, and are placed in a sintering mold after being stacked, and the working layer 2 and the non-working layer 3 are tightly combined through high-temperature sintering to manufacture the diamond tool bit 1.

According to the embodiment of the application, the non-working layer 3 of the diamond cutter head 1 can be cut by wire cutting or electric spark cutting, so that the top of the non-working layer 3 is lower than the top of the working layer 2, the cutting part of a diamond cold pressing sheet (working layer) is enlarged, the chip removing space of the cutter head is increased, the initial cutting efficiency of the cutter head is improved, and the material consumption of the non-working layer can be reduced.

Referring to fig. 9, the present embodiment further provides a diamond saw blade, including a diamond tool bit 1 and a substrate 5, wherein the diamond tool bit 1 is disposed on the outer peripheral surface of the substrate 5, specifically, the bottom of the diamond tool bit 1 is disposed on the outer peripheral surface of the substrate 5, and the diamond tool bit 1 is a diamond tool bit according to any one of the embodiments.

Compared with the prior art, above-mentioned technical scheme provides a diamond saw bit, the diamond tool bit is assembled on the base member, form the diamond saw bit, the direction stacks about the operational layer of diamond tool bit and non-operational layer in proper order, the chip groove extends along the fore-and-aft direction of operational layer and non-operational layer, through reducing the top height of non-operational layer, the top of non-operational layer is less than the top of operational layer, form the chip groove between the lateral part of operational layer and the top of non-operational, the chip groove helps the piece discharge after the cutting, improve cutting efficiency, the setting of chip groove increases the exposure part of operational layer in addition, increase the play sword height of operational layer, increase the grinding effect of diamond tool bit, improve the cutting efficiency of diamond tool bit.

According to one embodiment of the present application, the diamond tips and the substrate are secured together by welding, clamping, or the like. Taking welding as an example, welding materials (brass, flux and the like) are used at the bottom of the cutter head, and the cutter head and the substrate are tightly welded together by a high-frequency welding machine; and assembling the welded diamond saw blade to a disc saw machine driven by a motor, driving the saw blade to rotate by high-speed rotation of the disc saw machine, applying a certain pressure to a cutting object, and gradually completing the cutting process by utilizing the grinding action of the diamond.

The existing diamond tool bit produces the grinding effect through the rock mass is impressed to the diamond, and this application has enlarged the cutting part of diamond tool bit's working layer through improving the structure of diamond tool bit, reduces the materials on non-working layer for the diamond tool bit has certain sharp-pointed edges and corners and exposure height to grind and chip removal.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims

1. The utility model provides a diamond tool bit, includes about the work layer and the non-working layer that stacks in proper order, its characterized in that, the top of non-working layer is less than the top of work layer, the lateral part of work layer with form the junk slot between the top of non-working layer.

2. A diamond tip according to claim 1 wherein the working layer has an exit edge height of 2.75-5mm.

3. A diamond tip according to claim 1, wherein the two working layers are 1.5mm apart.

4. A diamond tip according to claim 1 or 2 or 3, wherein the top of the non-working layer is flat or uneven.

5. The diamond tip of claim 4, wherein the top of the non-working layer is wavy when the top of the non-working layer is uneven.

6. A diamond tip according to claim 1 or 2 or 3, wherein the top of the working layer is M-shaped.

7. The diamond tip of claim 1, wherein the working layer is a diamond sheet formed by diamond particles consolidated on metal powder.

8. The diamond tip of claim 1, wherein the non-working layer is an iron sheet.

9. A diamond tip according to claim 1 or 7 or 8, wherein the working layer and the non-working layer are sintered together.

10. A diamond saw blade comprising a diamond tip and a substrate, the diamond tip being provided on an outer peripheral surface of the substrate, characterized in that the diamond tip is a diamond tip according to any one of claims 1 to 9.