CN213775252U

CN213775252U - Easy dismouting diamond compact piece drag bit

Info

Publication number: CN213775252U
Application number: CN202022767242.7U
Authority: CN
Inventors: 王太锋
Original assignee: Shanxi Jinbairui Mining Machinery Equipment Manufacturing Co ltd
Current assignee: Shanxi Jinbairui Mining Machinery Equipment Manufacturing Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an easy dismouting diamond compact piece drag bit, include: the device comprises a body, a clamping block, a spring, a deflector rod and a drill bit; be equipped with the mounting groove on the periphery wall of body, the bottom surface of mounting groove is equipped with the spacing groove, the bottom surface of spacing groove is equipped with the holding tank, the spring is fixed to be located in the holding tank, the fixture block links to each other with the spring is fixed, the fixture block can follow the holding tank and reciprocate, be equipped with on the periphery wall of body with the holding tank groove of dodging of intercommunication, the driving lever passes and dodges the groove and link to each other with the fixture block is fixed, the bottom of brill sword is equipped with spacing guide rail, the partly upwards concave formation draw-in groove of spacing guide rail's bottom surface, the brill sword is a plurality of, a plurality of brill sword and the cooperation of a plurality of mounting grooves one-to-ones, wherein spacing guide rail and spacing groove sliding fit, partly upwards insert in the draw-in groove of fixture block. The drill bit can be limited through the matching of the limiting guide rail and the limiting groove and the matching of the clamping block and the clamping groove, the drill bit is prevented from being easily separated from the mounting groove, the device is simple in structure, the drill bit is easy to assemble and disassemble, and the device is convenient to use.

Description

Easy dismouting diamond compact piece drag bit

Technical Field

The utility model belongs to the technical field of the drag bit and specifically relates to an easy dismouting diamond compact piece drag bit is related to.

Background

The drill bit is a key part of drilling equipment and has the characteristics of high strength, long service life and the like. The performance of the drill bit is directly related to the drilling efficiency and the drilling cost. The drag bit is a bit which is common in the prior art, but the drill bit on the bit is generally welded on the bit body, so that the bit is inconvenient to disassemble and assemble, and has an improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses a first aim at provides an easy dismouting diamond compact piece drag bit.

The technical scheme of the utility model as follows: an easy dismouting diamond compact piece drag bit includes: the device comprises a body, a clamping block, a spring, a deflector rod and a drill bit; the body is a revolving body extending along the up-down direction, mounting grooves which are inwards recessed along the radial direction of the body and penetrate through the upper end of the body are formed in the peripheral wall of the body, the mounting grooves are arranged at intervals along the circumferential direction of the body, a limiting groove is formed in the bottom surface of each mounting groove, a containing groove is formed in the bottom surface of each limiting groove, the spring is fixedly arranged in the containing groove, the fixture block is fixedly connected with the spring, the fixture block can move up and down along the containing groove, and the spring drives a part of the fixture block to extend upwards into the containing groove; an avoidance groove communicated with the accommodating groove is formed in the outer peripheral wall of the body, the deflector rod penetrates through the avoidance groove and is fixedly connected with the fixture block, and the deflector rod can slide up and down along the avoidance groove; follow the radial outside direction of body, the brill sword has slope downwardly extending's brill portion of cutting, it is equipped with a plurality of compound pieces on the portion of cutting to bore, the bottom of brill sword is equipped with limit rail, the partly recessed draw-in groove that forms that makes progress of limit rail's bottom surface, the brill sword is a plurality of, and is a plurality of the brill sword is with a plurality of the cooperation of mounting groove one-to-one, wherein limit rail with spacing groove sliding fit, upwards insert a part of fixture block in the draw-in groove.

Further, it is a plurality of compound piece is followed the extending direction interval of boring the portion of cutting is arranged, it is arbitrary adjacent two to bore the portion of cutting still be equipped with the chip groove between the compound piece.

Furthermore, the limiting groove is a T-shaped groove, and the limiting guide rail is a T-shaped guide rail.

Further, the fixture block is provided with a vertical matching surface and a first guide surface inclined downwards in an inclined manner, the matching surface is located at one end, close to the central axis of the body, of the fixture block, the first guide surface is located at one end, far away from the central axis of the body, of the fixture block, an acute included angle is formed between the first guide surface and the matching surface, and when the fixture block is matched with the clamping groove, the matching surface is abutted to a groove surface, close to the central axis of the body, of the clamping groove.

Furthermore, one end of the limiting guide rail, which is close to the central axis of the body, is provided with a second guide surface which inclines downwards in an inclined manner, and the second guide surface is parallel to the first guide surface.

Furthermore, the body is provided with a drain hole which axially penetrates through the body along the body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) when the installation brill sword, aim at the spacing groove of drill bit with the spacing guide rail of brill sword earlier, promote the brill sword again and remove so that spacing guide rail slips into the spacing inslot, the brill sword slides into the mounting groove, then the accessible stirs the driving lever downwards and drives the installation that the fixture block moved down and avoids the fixture block to interfere the brill sword, after the brill sword targets in place, loosen the driving lever again, under the effect of spring, the fixture block can the card that moves up go into in the draw-in groove, can carry on spacingly to the brill sword through the cooperation of spacing guide rail and spacing groove and the cooperation of fixture block and draw-in groove from this, prevent that the brill sword from breaking away from the mounting groove easily, this device simple structure, the easy dismouting of brill sword is easy, convenient to use.

(2) The fixture block has vertical fitting surface and the first spigot surface that inclines down in the slant, the fitting surface is located the one end that is close to the body the central axis of fixture block, first spigot surface is located the one end of keeping away from the body the central axis of fixture block, form the acute angle contained angle between first spigot surface and the fitting surface, when the fixture block cooperates with the draw-in groove, the fitting surface is with the groove face butt that is close to the body the central axis of draw-in groove, spacing guide rail is when slipping into the spacing inslot from this, spacing guide rail can contact with first spigot surface then force the fixture block to move down, that is to say, under this kind of structural style, when installing the brill sword, need not stir the driving lever downwards and drive the fixture block and move down, and convenient use.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work:

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

fig. 2 is a front view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of the drill of the present invention;

fig. 5 is a cross-sectional view of the present invention.

Reference numerals:

1. a body; 2. a clamping block; 3. a spring; 4. a deflector rod; 5. drilling a cutter; 6. mounting grooves; 7. a limiting groove; 8. accommodating grooves; 9. an avoidance groove; 10. drilling and cutting parts; 11. a composite sheet; 12. limiting a guide rail; 13. a card slot; 14. a chip groove; 15. a mating surface; 16. a first guide surface; 17. a second guide surface; 18. and (4) draining the water.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. 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.

The easy-to-assemble and disassemble diamond compact 11 drag bit according to the embodiment of the present invention is described below with reference to fig. 1 to 5 of the accompanying drawings, comprising: the device comprises a body 1, a clamping block 2, a spring 3, a deflector rod 4 and a drill bit 5.

As shown in fig. 3 and 5, body 1 is the solid of revolution that extends along upper and lower direction, be equipped with on body 1 along body 1 axial through body 1's wash port 18, be equipped with on body 1's the periphery wall along body 1 radial inwards sunken and run through body 1's upper end mounting groove 6, mounting groove 6 is a plurality of, a plurality of mounting grooves 6 are arranged along body 1's circumference interval, mounting groove 6's bottom surface is equipped with spacing groove 7, spacing groove 7's bottom surface is equipped with holding tank 8, spring 3 is fixed to be located in holding tank 8, fixture block 2 links to each other with spring 3 is fixed, fixture block 2 can follow holding tank 8 and reciprocate, spring 3 drives the partly upwards stretching into spacing groove 7 of fixture block 2 often, that is to say, the effort that spring 3 applyed fixture block 2 is ascending, this effort can make fixture block 2 have the trend of rebound all the time in order to stretch into spacing groove 7.

As shown in fig. 5, an avoiding groove 9 communicated with the accommodating groove 8 is formed in the peripheral wall of the body 1, the shifting lever 4 penetrates through the avoiding groove 9 to be fixedly connected with the fixture block 2, the shifting lever 4 can slide up and down along the avoiding groove 9, and therefore the fixture block 2 can move up and down by shifting the shifting lever 4 up and down.

As shown in fig. 4, in the radial outward direction of the body 1, the drill 5 has a drill cutting portion 10 extending obliquely downward, a plurality of composite sheets 11 are arranged on the drill cutting portion 10, a limiting guide rail 12 is arranged at the bottom of the drill 5, and a part of the bottom surface of the limiting guide rail 12 is recessed upward to form a clamping groove 13.

As shown in fig. 1, 2 and 5, a plurality of drill cutters 5 are provided, the plurality of drill cutters 5 are correspondingly matched with the plurality of mounting grooves 6 one by one, wherein the limiting guide rail 12 is in sliding fit with the limiting groove 7, and a part of the fixture block 2 is upwards inserted into the clamping groove 13.

When this device installation brill sword 5, aim at the spacing groove 7 of drill bit with the spacing guide rail 12 of brill sword 5 earlier, promote brill sword 5 again and remove so that spacing guide rail 12 slides in spacing groove 7, brill sword 5 slides in mounting groove 6, then the accessible stirs driving lever 4 downwards and drives fixture block 2 and move down and avoid the installation of fixture block 2 interference brill sword 5, after brill sword 5 targets in place, loosen driving lever 4 again, under the effect of spring 3, fixture block 2 can the rebound card go into in draw-in groove 13, can carry out spacingly to brill sword 5 through spacing guide rail 12 and spacing groove 7's cooperation and fixture block 2 and draw-in groove 13's cooperation from this, prevent brill sword 5 and break away from mounting groove 6 easily, this device simple structure, brill sword 5 easily adorn easily dismouting, convenient to use.

In this embodiment, as shown in fig. 1 and fig. 2, a plurality of composite sheets 11 are arranged at intervals along the extending direction of the drilling and cutting portion 10, and a chip removal groove 14 is further formed between any two adjacent composite sheets 11 of the drilling and cutting portion 10, so that chips can be conveniently removed in the drilling process.

In this embodiment, the limiting groove 7 is a T-shaped groove, and the limiting guide rail 12 is a T-shaped guide rail, so that the structure is simple and convenient to implement.

In this embodiment, as shown in fig. 5, the fixture block 2 has a vertical fitting surface 15 and a first guiding surface 16 inclined downward in an inclined manner, the fitting surface 15 is located at an end of the fixture block 2 close to the central axis of the body 1, the first guiding surface 16 is located at an end of the fixture block 2 away from the central axis of the body 1, an acute included angle is formed between the first guiding surface 16 and the fitting surface 15, when the fixture block 2 is fitted with the clamping groove 13, the fitting surface 15 abuts against a groove surface of the clamping groove 13 close to the central axis of the body 1, therefore, when the limiting guide rail 12 slides into the limiting groove 7, the limiting guide rail 12 contacts with the first guiding surface 16 and then forces the fixture block 2 to move downward, that is, in this structural form, when the drill bit 5 is installed, the driving lever 4 does not need to be moved downward to drive the fixture block 2 to move downward, and the use is facilitated.

Further, one end of the position-limiting guide rail 12 close to the central axis of the body 1 is provided with a second guide surface 17 inclined obliquely downwards, and the second guide surface 17 is parallel to the first guide surface 16, so that the second guide surface 17 can be contacted with the first guide surface 16, and the fixture block 2 can be more easily forced to move downwards.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides an easy dismouting diamond compact piece drag bit which characterized in that includes: the device comprises a body, a clamping block, a spring, a deflector rod and a drill bit;

the body is a revolving body extending along the up-down direction, mounting grooves which are inwards recessed along the radial direction of the body and penetrate through the upper end of the body are formed in the peripheral wall of the body, the mounting grooves are arranged at intervals along the circumferential direction of the body, a limiting groove is formed in the bottom surface of each mounting groove, a containing groove is formed in the bottom surface of each limiting groove, the spring is fixedly arranged in each containing groove, the fixture block is fixedly connected with the spring, the fixture block can move up and down along the containing groove, and the spring drives a part of the fixture block to extend upwards into the limiting groove;

an avoidance groove communicated with the accommodating groove is formed in the outer peripheral wall of the body, the deflector rod penetrates through the avoidance groove and is fixedly connected with the fixture block, and the deflector rod can slide up and down along the avoidance groove;

follow the radial outside direction of body, the brill sword has slope downwardly extending's brill portion of cutting, it is equipped with a plurality of compound pieces on the portion of cutting to bore, the bottom of brill sword is equipped with limit rail, the partly recessed draw-in groove that forms that makes progress of limit rail's bottom surface, the brill sword is a plurality of, and is a plurality of the brill sword is with a plurality of the cooperation of mounting groove one-to-one, wherein limit rail with spacing groove sliding fit, upwards insert a part of fixture block in the draw-in groove.

2. The easy-to-assemble and disassemble diamond compact drag bit of claim 1, wherein the multiple compacts are arranged at intervals along the extending direction of the drilling and cutting part, and the drilling and cutting part is also provided with a chip discharge groove between any two adjacent compacts.

3. The easy-to-assemble and disassemble diamond compact drag bit of claim 1, wherein the limiting groove is a T-shaped groove, and the limiting guide rail is a T-shaped guide rail.

4. The easy-to-assemble and disassemble diamond compact drag bit of claim 1, wherein the fixture block has a vertical matching surface and a first guiding surface inclined obliquely downwards, the matching surface is located at one end of the fixture block close to the central axis of the body, the first guiding surface is located at one end of the fixture block far away from the central axis of the body, an acute included angle is formed between the first guiding surface and the matching surface, and when the fixture block is matched with the clamping groove, the matching surface is abutted against the groove surface of the clamping groove close to the central axis of the body.

5. The easy-to-assemble and disassemble diamond compact drag bit of claim 4, wherein one end of the limiting guide rail close to the central axis of the body is provided with a second guide surface inclined downwards, and the second guide surface is parallel to the first guide surface.

6. The readily removable diamond compact drag bit of claim 1, wherein the body has a drainage hole extending axially through the body.