CN213860040U - Diamond saw blade with protective teeth - Google Patents

Abstract

The utility model discloses a diamond saw blade with protective teeth, which comprises a middle disk body and a plurality of diamond tool bits arranged along the circumference of the middle disk body, wherein the bottom of the diamond tool bit is provided with a clamping groove, the edge of the middle disk body corresponds to the clamping groove and is provided with a convex block matched with the clamping groove in an outward protruding way, the clamping groove of the diamond tool bit is inserted into the convex block of the middle disk body, and one end of the diamond tool bit, which is close to the middle disk body, is provided with at least two jacks along the front-back direction; the diamond segments set up between the outer protection tooth on two outer disk bodies, form double-deck protection through the outer protection tooth on two outer disk bodies, have improved its barrier propterty greatly, carry out detachable through the bolt between diamond segments and the outer protection tooth and be connected simultaneously, damage at certain diamond segments, when perhaps the outer protection tooth on a certain outer disk body damages, can both change alone it to its change cost of maintenance has been reduced.

Description

Diamond saw blade with protective teeth

Technical Field

The utility model relates to a diamond saw bit field, concretely relates to diamond saw bit of area protection tooth.

Background

The diamond saw blade is a cutting tool, and is widely applied to processing of hard and brittle materials such as concrete, refractory materials, stone materials, ceramics and the like. The diamond saw blade mainly comprises two parts; a base body and a tool bit. The base body is the main support portion for the fixed cutter head.

At present, diamond cutter heads and protection teeth of diamond saw blades with protection teeth on the market are arranged on a substrate, and can be damaged together with the substrate when damaged, so that the cost of use and replacement is relatively high, and meanwhile, the existing protection teeth are designed in a single-layer mode, and the protection capability of the diamond saw blades is relatively limited.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problem, the utility model discloses a diamond saw blade with protective teeth.

In order to achieve the above purpose, the utility model provides a following technical scheme: a diamond saw blade with protection teeth comprises a middle disc body and a plurality of diamond tool bits arranged along the circumferential direction of the middle disc body, wherein a clamping groove is formed in the bottom of each diamond tool bit, a convex block matched with the clamping groove is convexly arranged on the edge of the middle disc body corresponding to the clamping groove, the clamping groove of each diamond tool bit is inserted into the convex block of the middle disc body, and at least two insertion holes are formed in one end, close to the middle disc body, of each diamond tool bit in the front-back direction;

both sides all are provided with an outer disk body around the middle disk body, leave the clearance between outer disk body and the middle disk body, two correspond on the outer disk body correspond the equal shaping in both sides has an outer protection tooth around the diamond segments, two the jack that corresponds the diamond segments on the outer protection tooth on the outer disk body is seted up rather than matched with connecting hole, wear to have put the bolt between connecting hole and the jack, fix the diamond segments through this bolt locking, diamond segments protrusion in outer protection tooth, the width of outer protection tooth is greater than the width of diamond segments, the upper left corner and the upper right corner of outer protection tooth are the fillet, a plurality of ventilation holes have evenly been seted up to the surface of outer disk body, the ventilation hole with the clearance is linked together, and is a plurality of the ventilation hole is the annular and arranges.

As an improvement of the present invention, the ventilation hole is in a long strip shape, and a slope inclined from outside to inside is formed on one side of the ventilation hole.

As an improvement of the utility model, the outer wall of middle disk body with evenly be provided with a plurality of rubber pads between the outer disk body, the both sides face of rubber pad bonds respectively on middle disk body and outer disk body.

As an improvement of the utility model, the centre of a circle department of middle disk body has seted up the transmission hole, the transmission hole runs through outer disk body.

As an improvement of the utility model, the outer disk body is a high-speed steel disk body.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a diamond saw blade, be provided with two outer disk bodies, the shaping has outer protection tooth on the outer disk body, diamond segments set up between the outer protection tooth on two outer disk bodies, form double-deck protection through the outer protection tooth on two outer disk bodies, its barrier propterty has been improved greatly, simultaneously carry out detachable through the bolt between diamond segments and the outer protection tooth and be connected, damage at certain diamond segments, when perhaps the outer protection tooth on certain outer disk body damaged, can both change alone it, thereby its change cost of maintenance has been reduced.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a perspective view of a diamond tip.

List of reference numerals: 100 middle discs, 200 diamond tips, 201 clamping grooves, 202 jacks, 300 outer discs, 301 outer protection teeth, 302 connecting holes, 303 bolts, 304 ventilating holes and 305 inclined planes.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): referring to fig. 1-4, a diamond saw blade with guard teeth comprises a middle disc 100 and a plurality of diamond tool bits 200 arranged along the circumference of the middle disc 100, wherein the diamond tool bits 200 are the working main body of the diamond saw blade and are made by sintering diamond and a matrix bonding agent; the middle tray body 100 is made of high-speed steel materials and is made into a disc shape;

the bottom of the diamond tool bit 200 is inwards concavely provided with a clamping groove 201, the edge of the middle disc body 100 is outwards convexly provided with a convex block matched with the clamping groove 201 corresponding to the clamping groove 201, the clamping groove 201 of the diamond tool bit 200 is inserted into the convex block of the middle disc body 100 to form primary fixing of the diamond tool bit 200, and one end, close to the middle disc body 100, of the diamond tool bit 200 is at least provided with two insertion holes 202 along the front-back direction;

an outer-layer disc body 300 is arranged on each of the front side and the rear side of the middle disc body 100, a gap is reserved between each outer-layer disc body 300 and the middle disc body 100, outer protection teeth 301 are formed on the two outer-layer disc bodies 300 corresponding to the front side and the rear side of each diamond tool bit 200, connecting holes 302 matched with the outer protection teeth 301 are formed in the outer protection teeth 301 on the two outer-layer disc bodies 300 corresponding to the inserting holes 202 of the diamond tool bits 200, bolts 303 penetrate between the connecting holes 302 and the inserting holes 202, the diamond tool bits 200 are further locked and fixed through the bolts 303, and the diamond tool bits 200 protrude out of the outer protection teeth 301; the outer-layer disc body 300 and the outer protection teeth 301 are integrally formed and are made of high-speed steel materials with higher strength;

the width of the outer protection teeth 301 is larger than that of the diamond tool bit 200, when the diamond tool bit 200 is worn and impacted, the wider outer protection teeth 301 firstly contact with an external object, so that the diamond tool bit 200 can be protected in the width direction, the upper left corner and the upper right corner of the outer protection teeth 301 are rounded corners, the rounded corners are smoothly transited, and the friction between the outer protection teeth and the external object can be reduced when the outer protection teeth collide with the external object;

a plurality of vent holes 304 are uniformly formed in the outer surface of the outer-layer disc body 300, the vent holes 304 are communicated with the gap, the vent holes 304 are annularly arranged, and in the process of rapid rotation of the saw blade, external air flow can enter the gap through the vent holes 304 to ventilate and radiate the whole saw blade;

the diamond tool bit 200 is arranged between the outer protection teeth 301 on the two outer layer disks 300, the outer protection teeth 301 on the two outer layer disks 300 form double-layer protection, so that the protection performance of the diamond tool bit is greatly improved, meanwhile, the diamond tool bit 200 and the outer protection teeth 301 are detachably connected through bolts, and the diamond tool bit can be replaced when a certain diamond tool bit 200 is damaged or the outer protection teeth 301 on a certain outer layer disk 300 are damaged, so that the replacement and maintenance cost of the diamond tool bit is reduced;

the vent 304 is elongated and has a side formed with an inclined surface 305 that is inclined from the outside to the inside, and the inclined surface 305 has relatively small resistance to air during rotation of the saw blade, thereby facilitating the entrance of air flow.

A plurality of rubber pads are uniformly arranged between the outer wall of the middle tray body 100 and the outer tray body 300, two side faces of each rubber pad are respectively bonded on the middle tray body 100 and the outer tray body 300, and the rubber pads can play a role in vibration reduction and buffering.

The center of the middle disc 100 is provided with a transmission hole which penetrates through the outer disc 300, and the transmission hole has the same structure as the existing diamond saw blade and is used for being in transmission connection with a motor.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (5)

1. The utility model provides a diamond saw blade of tooth is protected in area, includes middle disk body (100) and a plurality of diamond segments (200) that set up along middle disk body (100) circumference, its characterized in that: the bottom of the diamond tool bit (200) is provided with a clamping groove (201), the edge of the middle disc body (100) is provided with a convex block which is matched with the clamping groove (201) in an outward protruding mode corresponding to the clamping groove (201), the clamping groove (201) of the diamond tool bit (200) is inserted into the convex block of the middle disc body (100), and one end, close to the middle disc body (100), of the diamond tool bit (200) is provided with at least two insertion holes (202) in the front-back direction;

the front side and the rear side of the middle disc body (100) are both provided with an outer disc body (300), a gap is reserved between the outer disc body (300) and the middle disc body (100), two outer disc bodies (300) are provided with outer protection teeth (301) corresponding to the front side and the rear side of the diamond tool bit (200), two outer protection teeth (301) on the outer disc bodies (300) are provided with connecting holes (302) matched with the outer protection teeth, bolts (303) are arranged between the connecting holes (302) and the inserting holes (202) in a penetrating manner, the diamond tool bit (200) is locked and fixed through the bolts (303), the diamond tool bit (200) protrudes out of the outer protection teeth (301), the width of the outer protection teeth (301) is larger than that of the diamond tool bit (200), and the upper left corner and the upper right corner of the outer protection teeth (301) are fillets, a plurality of ventilation holes (304) have evenly been seted up to the surface of outer disk body (300), ventilation hole (304) with the clearance is linked together, and is a plurality of ventilation hole (304) are the annular and arrange.

2. The diamond saw blade with guard teeth of claim 1, wherein: the vent hole (304) is long, and an inclined surface (305) inclined from outside to inside is formed on one side of the vent hole (304).

3. The diamond saw blade with guard teeth of claim 1, wherein: a plurality of rubber pads are uniformly arranged between the outer wall of the middle tray body (100) and the outer tray body (300), and two side faces of each rubber pad are respectively bonded on the middle tray body (100) and the outer tray body (300).

4. The diamond saw blade with guard teeth of claim 1, wherein: the center of the middle disc body (100) is provided with a transmission hole, and the transmission hole penetrates through the outer-layer disc body (300).

5. The diamond saw blade with guard teeth of claim 1, wherein: the outer layer disc body (300) is a high-speed steel disc body.

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