CN212761317U - Double-edge PCD drill bit - Google Patents

Abstract

The utility model discloses a twolip type PCD drill bit relates to the drill bit field, including the drill bit mount pad, one side of drill bit mount pad is equipped with two drill bit bodies, and the one end of drill bit body is equipped with rake face and back knife face, one side movable mounting of drill bit mount pad has first fixed column, and one side of first fixed column is equipped with the second fixed column, and one side of first fixed column and second fixed column all is equipped with circular block. The utility model discloses in, the back is connected with first fixed column to the second fixed column, carries out work through the drill bit body on the second fixed column, after long-time drilling, lies in preceding drill bit body and damages the back, takes out the drill bit body in the place ahead, lies in the drill bit body at the back and can also continue work, need not all remove at every turn after the drill bit body damages the back, all need remove to change the drill bit body, through the setting of a plurality of combination drill bit bodies, can significantly reduce the drill bit body and change required time.

Description

Double-edge PCD drill bit

Technical Field

The utility model relates to a drill bit technical field especially relates to a twolip type PCD drill bit.

Background

PCD is polycrystalline diamond, diamond is used as a superhard cutter material for cutting processing for hundreds of years, has the characteristics of high hardness, high compressive strength, good heat conductivity and wear resistance and the like, can obtain high processing precision and processing efficiency in high-speed cutting, and holes are formed on workpieces or rocks by cutters on drilling machines and drilling rigs during drilling.

PCD drill bit is using when installing, all with the direct fixed mounting of drill bit on the drilling machine, drill bit installation back, generally be difficult for taking it down, because take off and installation process are consuming time longer, and use more instrument, inconvenient, but a traditional drill bit can only use a period of time, after damaging, all need follow the drilling machine and demolish, consequently need a twolip type PCD drill bit to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a twolip type PCD drill bit to solve the PCD drill bit when using the installation, all with the direct fixed mounting of drill bit on the drilling machine, the drill bit installation back is generally difficult for taking it down, because take off with the installation longer consuming time of process, and use more instrument, inconvenient, but a traditional drill bit only can use a period, after damaging, all need follow the problem that the drilling machine demolishd.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a twolip type PCD drill bit, includes the drill bit mount pad, one side of drill bit mount pad is equipped with two drill bit bodies, and the one end of drill bit body is equipped with rake face and back knife face, one side movable mounting of drill bit mount pad has first fixed column, and one side of first fixed column is equipped with the second fixed column, and one side of first fixed column and second fixed column all is equipped with circular block, and the one end of two drill bit bodies is fixed mounting respectively on one side of two circular blocks, the standing groove has been seted up to the one end of second fixed column, and a drill bit body that is connected with first fixed column extends to in the standing groove.

Preferably, four rotating grooves are formed in one side of the second fixing column, rotating pressing rods are installed in the four rotating grooves in a rotating mode, and clamping blocks are fixedly installed on one sides of the four rotating pressing rods.

Preferably, the same rotating shaft is fixedly installed on the inner walls of the two sides of the rotating groove, a rotating shaft hole is formed in one side of the rotating pressing rod, and one end of the rotating shaft penetrates through the rotating shaft hole in a rotating mode.

Preferably, four pressure bar grooves are formed in one side of the first fixing column, the four pressure bar grooves are respectively matched with the four rotating pressure bars, clamping grooves are formed in the bottom sides of the four pressure bar grooves, and the four clamping blocks are respectively matched with the four clamping grooves.

Preferably, four guide grooves are formed in the inner wall of the placing groove, four guide blocks are fixedly mounted on the circular block, and the four guide blocks are respectively matched with the four guide grooves.

Preferably, a thread groove is formed in the first fixing column, and a thread ring sleeve is sleeved on the thread groove in a threaded manner.

Preferably, one side of the drill bit mounting seat is provided with a mounting groove, and one end of the first fixing column extends into the mounting groove.

The utility model has the advantages that:

the utility model discloses in, install first fixed column in the mounting groove on the drill bit mount pad, after second fixed column is connected with first fixed column, carry out work through the drill bit body on the second fixed column, utilize rake face and back knife face to drill, after long-time drilling, after the drill bit body that lies in the front damaged, take out the drill bit body in the place ahead, the drill bit body that lies in the back can also continue to work, need not all remove and change the drill bit body after the drill bit body damages at every turn, through the setting of a plurality of combination drill bit bodies, can greatly reduce the time that the drill bit body needs to be changed;

the utility model discloses in, the staff rotates the screw thread ring cover, and the screw thread ring cover rotates the back, rotates the depression bar and can follow the depression bar groove and take out, and the chucking piece also can be followed the chucking inslot and taken out simultaneously, and after the rotatory depression bar that rotates of upwards, outwards spur can take out first fixed column from first fixed column.

Drawings

Fig. 1 is a schematic three-dimensional structural view of a double-edged PCD drill according to the present invention;

fig. 2 is a schematic structural diagram of a double-edged PCD drill according to the present invention in a front view;

fig. 3 is a schematic structural view of a partial three-dimensional structure of a double-edged PCD drill bit according to the present invention;

FIG. 4 is a schematic structural view of portion A of FIG. 2 of a double-edged PCD drill bit in accordance with the present invention;

fig. 5 is a schematic structural diagram of a portion a in fig. 2 of a double-edged PCD drill according to the present invention.

In the figure: 1. a drill bit mounting seat; 2. a first fixed column; 3. mounting grooves; 4. a second fixed column; 5. a circular block; 6. a drill bit body; 7. a rake face; 8. a flank face; 9. a placement groove; 10. a guide groove; 11. a guide block; 12. a rotating groove; 13. rotating the compression bar; 14. a rotating shaft; 15. a clamping block; 16. a pressure bar groove; 17. a clamping groove; 18. a thread groove; 19. and a threaded ring sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a double-blade PCD drill bit comprises a drill bit mounting seat 1, two drill bit bodies 6 are arranged on one side of the drill bit mounting seat 1, a front cutter face 7 and a rear cutter face 8 are arranged at one end of each drill bit body 6, a first fixing column 2 is movably mounted on one side of the drill bit mounting seat 1, a second fixing column 4 is arranged on one side of each first fixing column 2, circular blocks 5 are arranged on one sides of the first fixing column 2 and the second fixing column 4, one end of each of the two drill bit bodies 6 is fixedly mounted on one side of each of the two circular blocks 5, a placing groove 9 is formed in one end of each second fixing column 4, one drill bit body 6 connected with the first fixing column 2 extends into the placing groove 9, after long-time drilling, the drill bit body 6 in front is damaged, the drill bit body 6 in front is taken out, the drill bit body 6 behind can continue to work, and, all need remove to demolish and change drill bit body 6, through the setting of a plurality of combination drill bit bodies 6, can significantly reduce the required time of drill bit body 6 change.

The utility model discloses in, four rotation grooves 12 have been seted up to one side of second fixed column 4, all rotate in four rotation grooves 12 and install rotation depression bar 13, and four equal fixed mounting in one side of rotating depression bar 13 have chucking piece 15, rotate depression bar 13 and be convenient for rotate the rotation in rotation groove 12.

The utility model discloses in, fixed mounting has same axis of rotation 14 on the both sides inner wall of rotation groove 12, rotates one side of depression bar 13 and has seted up the pivot hole, and the one end of axis of rotation 14 is rotated and is run through the pivot hole, through axis of rotation 14, is convenient for rotate depression bar 13 and rotates.

The utility model discloses in, four depression bar grooves 16 have been seted up to one side of first fixed column 2, four depression bar grooves 16 respectively with four rotation depression bar 13 looks adaptations, chucking groove 17 has all been seted up to four depression bar grooves 16's bottom side, four chucking piece 15 respectively with four chucking groove 17 looks adaptations, rotation depression bar 13 can be followed depression bar groove 16 and taken out, chucking piece 15 also can be followed in chucking groove 17 and taken out simultaneously, chucking piece 15 and chucking groove 17 of setting, behind the chucking, can be better carry out fixed connection with first fixed column 2 and second fixed column 4.

The utility model discloses in, four guide ways 10 have been seted up on the inner wall of standing groove 9, and fixed mounting has four guide blocks 11 on circular block 5, and four guide blocks 11 respectively with four guide ways 10 looks adaptations, the guide block 11 and the guide way 10 of setting can lead spacing to being connected of second fixed column 4 and first fixed column 2.

The utility model discloses in, threaded groove 18 has been seted up on first fixed column 2, and threaded ring cover 19 has been cup jointed to the screw thread on the threaded groove 18, and during the installation, threaded ring cover 19 will block in the outside of rotating depression bar 13 to can carry out fixed connection with first fixed column 2 and second fixed column 4.

The utility model discloses in, mounting groove 3 has been seted up to one side of drill bit mount pad 1, and in the one end of first fixed column 2 extended to mounting groove 3, be convenient for install first fixed column 2.

This practical theory of operation:

the first fixing column 2 is arranged in the mounting groove 3 on the drill mounting seat 1, the second fixing column 4 is connected with the first fixing column 2, the drill body 6 on the second fixing column 4 works, the front cutter face 7 and the rear cutter face 8 are used for drilling, when the drill body 6 in front needs to be replaced after long-time drilling is finished, a worker rotates the threaded ring sleeve 19, the rotating pressure rod 13 can be taken out of the pressure rod groove 16 after the threaded ring sleeve 19 rotates, the clamping block 15 can also be taken out of the clamping groove 17, the first fixing column 2 can be better fixedly connected with the second fixing column 4 after the clamping block 15 is clamped with the clamping groove 17, the rotating pressure rod 13 rotates upwards, the second fixing column 4 can be pulled outwards to be taken out of the first fixing column 2, the guide block 11 can move from the guide groove 10, the guide block 11 and the guide groove 10 are arranged, can lead spacingly to being connected of second fixed column 4 and first fixed column 2, be located the drill bit body 6 of back and can also continue to work, need not all to remove to change drill bit body 6 after 6 damages at every turn of drill bit body, through the setting of a plurality of combination drill bit bodies 6, can significantly reduce the drill bit body 6 and change required time, convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a twolip type PCD drill bit, includes drill bit mount pad (1), one side of drill bit mount pad (1) is equipped with two drill bit bodies (6), and the one end of drill bit body (6) is equipped with rake face (7) and back knife face (8), its characterized in that: one side movable mounting of drill bit mount pad (1) has first fixed column (2), and one side of first fixed column (2) is equipped with second fixed column (4), and one side of first fixed column (2) and second fixed column (4) all is equipped with circular block (5), and the one end difference fixed mounting of two drill bit bodies (6) is on one side of two circular blocks (5), standing groove (9) have been seted up to the one end of second fixed column (4), and one drill bit body (6) that are connected with first fixed column (2) extend to in standing groove (9).

2. A PCD drill bit of the double-edged type according to claim 1, characterised in that: four rotating grooves (12) are formed in one side of the second fixing column (4), rotating pressing rods (13) are installed in the four rotating grooves (12) in a rotating mode, and clamping blocks (15) are fixedly installed on one sides of the four rotating pressing rods (13).

3. A PCD drill bit of the double-edged type according to claim 2, characterised in that: the inner walls of two sides of the rotating groove (12) are fixedly provided with the same rotating shaft (14), one side of the rotating pressing rod (13) is provided with a rotating shaft hole, and one end of the rotating shaft (14) rotates to penetrate through the rotating shaft hole.

4. A PCD drill bit of the double-edged type according to claim 1, characterised in that: four pressure bar grooves (16) are seted up to one side of first fixed column (2), four pressure bar grooves (16) respectively with four rotation depression bars (13) looks adaptations, chucking groove (17) have all been seted up to the bottom side in four pressure bar grooves (16), four chucking piece (15) respectively with four chucking groove (17) looks adaptations.

5. A PCD drill bit of the double-edged type according to claim 1, characterised in that: four guide grooves (10) are formed in the inner wall of the placing groove (9), four guide blocks (11) are fixedly mounted on the circular block (5), and the four guide blocks (11) are respectively matched with the four guide grooves (10).

6. A PCD drill bit of the double-edged type according to claim 1, characterised in that: a thread groove (18) is formed in the first fixing column (2), and a thread ring sleeve (19) is sleeved on the thread groove (18) in a threaded manner.

7. A PCD drill bit of the double-edged type according to claim 1, characterised in that: mounting groove (3) have been seted up to one side of drill bit mount pad (1), and the one end of first fixed column (2) extends to in mounting groove (3).

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