CN218611835U - Detachable carbide drill bit - Google Patents
Detachable carbide drill bit Download PDFInfo
- Publication number
- CN218611835U CN218611835U CN202222611991.XU CN202222611991U CN218611835U CN 218611835 U CN218611835 U CN 218611835U CN 202222611991 U CN202222611991 U CN 202222611991U CN 218611835 U CN218611835 U CN 218611835U
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- drill bit
- connecting portion
- seat
- bit seat
- connecting block
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Abstract
The utility model provides a detachable carbide drill bit, it includes the connecting portion of drill bit body and body below, the drill bit body comprises work drill bit and drill bit seat, and wherein the drill bit seat becomes the round platform form, and its top intermediate position is sunken to be used for imbedding to the work drill bit, has arranged the piece in the drill bit seat below and is cylindric connecting portion, and this connecting portion pass through the connecting block and are fixed with the drill bit seat to the strengthening rib piece of a parcel connecting portion has been arranged in the connecting portion outside in the below position of connecting block, and this strengthening rib piece is used for protecting connecting portion difficult rupture at the during operation. The utility model has the advantages of simple structure, convenient use and installation, simple maintenance, high strength, long service life and the like.
Description
Technical Field
The utility model relates to a detachable carbide drill bit belongs to alloy technical field.
Background
The drill bit is usually arranged at the front end of large-scale equipment and used for crushing, smashing and excavating hard objects, the conventional hard alloy drill bit is usually integrally formed and is arranged on the large-scale equipment for use, the integral design can ensure the integral stability and strength, but the defects exist that firstly, the alloy drill bit is a wearing part, regular maintenance or replacement is frequent after the alloy drill bit is used for a long time, and only the whole alloy drill bit can be replaced, so that the use cost is greatly increased, secondly, when the alloy drill bit needs to be replaced or maintained after being arranged, due to the integral design, the whole alloy drill bit needs to be disassembled through a special tool, so that time and labor are wasted, the work efficiency is reduced, and the use cost is increased.
Disclosure of Invention
The utility model provides a simple structure uses simple to operate, dismantles and maintains simply, and intensity is high, long service life's detachable carbide drill bit.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a detachable carbide drill bit, it includes the connecting portion of drill bit body and body below, the drill bit body comprises work drill bit and drill bit seat, and wherein the drill bit seat becomes the round platform form, and its top intermediate position is sunken to be used for imbedding to the work drill bit, has arranged one below the drill bit seat and is cylindric connecting portion, and this connecting portion pass through the connecting block and are fixed with the drill bit seat to arrange the strengthening rib piece of a parcel connecting portion in the connecting portion outside in the below of connecting block, this strengthening rib piece is used for protecting connecting portion and is difficult for the rupture at the during operation.
Preferably, the method comprises the following steps: the utility model discloses a drill bit seat, including drill bit seat, connecting portion, connecting block and connecting block, drill bit seat bottom round is inwards sunken to form a 90 degrees joint limit, has arranged connecting portion in the below on joint limit, and the top of this connecting portion is provided with the link the same with joint limit size, and the width that its below connecting portion width is less than the top link is the connecting portion that the cross section is the T font, and also is provided with the joint limit that is 90 degrees between connecting portion side body and the connecting block, through the connecting block fixed connection that joint limit on the drill bit seat and the joint limit outside on the connecting portion were arranged, connecting block top and below all are provided with outstanding round trip, all offer the draw-in groove that corresponds trip card income on the joint limit on the drill bit seat and the joint edge on the connecting portion.
Preferably, the method comprises the following steps: the outer side of the connecting block is an arc-shaped edge, a streamline whole body is formed between the arc-shaped edge and the drill bit seat, the width of the upper part of the arc-shaped edge is smaller than that of the lower part of the arc-shaped edge, a spread protective umbrella layer is formed, reinforcing rib blocks surrounding the outer side of the connecting part are fixed below the protective umbrella layer, hard alloy layers are welded outside the arc-shaped edge and the drill bit seat, and the wear resistance of the whole body is improved.
Preferably, the method comprises the following steps: the width of connecting portion decreases progressively and becomes the echelonment, is the threaded connection layer at the one deck of bottommost, is spacing layer above the threaded connection layer for insert fixed in the recess of main equipment, spacing layer top is the distance layer that has the scale, can judge the degree of depth of inserting to main equipment according to the distance layer.
Preferably, the method comprises the following steps: the working drill bit is formed by cutting a hard alloy block, and a plurality of PCD particles are embedded in the hard alloy block.
The utility model discloses a detachable carbide drill bit, it is formed through assembling by work drill bit and drill bit seat and connecting portion, and this kind of design is compared in the carbide drill bit of integral type, can solve the alloy drill bit better and be vulnerable part, after the live time is permanent, regular maintenance or change frequent problem, greatly reduced use cost to the stiffener piece of its design can improve holistic intensity and life, the utility model has the advantages of simple structure, use simple to operate dismantles and maintains simply, and intensity is high, long service life etc.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention. As shown in fig. 1, a detachable carbide drill bit, it includes connecting portion 2 of drill bit body 1 and body 1 below, drill bit body 1 comprises work drill bit 3 and drill bit seat 4, wherein drill bit seat 4 becomes the round platform form, its top intermediate position is sunken to be used for embedding to work drill bit 3, arrange one below drill bit seat 4 and be cylindric connecting portion 2, this connecting portion 2 is fixed with drill bit seat 4 through connecting block 5, and arrange a reinforcing bar piece 6 of parcel connecting portion 2 outside connecting portion 2 in the below of connecting block 5, this reinforcing bar piece 6 is used for protecting connecting portion 2 and is difficult for the rupture at the during operation.
The utility model discloses a detachable carbide drill bit, it is formed through assembling by work drill bit and drill bit seat and connecting portion, can solve the alloy drill bit better and be the vulnerable part, after the live time is permanent, periodic maintenance or change frequent problem, greatly reduced use cost, the stiffener piece of wherein design can improve the utility model discloses holistic intensity to improve its life.
As shown in fig. 2, a circle of bottom of the drill bit seat 4 is inwards recessed to form a 90-degree clamping edge 7, a connecting portion 2 is arranged below the clamping edge 7, a connecting end 8 with the same size as the clamping edge 7 is arranged above the connecting portion 2, the width of the connecting portion 2 below the connecting portion is smaller than that of the connecting portion 2 with the upper connecting end 8, the cross section of the connecting portion 2 is in a T shape, a clamping edge 19 with 90-degree is also arranged between the side body of the connecting portion 2 and the connecting block 5, the connecting block 5 is fixedly connected with the clamping edge 7 on the drill bit seat 4 and the connecting block 19 arranged outside the clamping edge 19 on the connecting portion 2, a circle of protruding clamping strips 9 are arranged above and below the connecting block 5, and clamping grooves 10 corresponding to the clamping strips 9 are formed in the clamping edge 7 on the drill bit seat 4 and the clamping edge 19 on the connecting portion 2.
The utility model discloses in both ends all are provided with outstanding round card strip about the connecting block, card strip card go into in the draw-in groove of seting up with connecting portion joint limit on drill bit seat joint edge, make the utility model discloses the monolithic stationary is more firm, guarantees to connect the fastening between every part of during operation, and it is only the schematic diagram that draw-in groove and card strip in fig. 2 are worth noting, and the shape of draw-in groove and card strip can be the arbitrary shape that accords with actual installation, can adjust according to actual conditions, does not prescribe a limit.
The outer side of the connecting block 5 is an arc-shaped edge 11, a streamline whole body is formed between the arc-shaped edge 11 and the drill bit seat 4, the width of the upper part of the arc-shaped edge 11 is smaller than that of the lower part of the arc-shaped edge to form a stretched protective umbrella layer 12, a reinforcing rib block 6 surrounding the outer side of the connecting part 2 is fixed below the protective umbrella layer 12, and hard alloy layers 13 are welded outside the arc-shaped edge 11 and the drill bit seat 4 to improve the wear resistance of the whole body.
The utility model discloses the connecting block outside is the arc limit for streamlined whole between drill bit seat and the drill bit seat, streamlined is a shape that does benefit to the fast flow, has both guaranteed the utility model discloses holistic aesthetic property has also taken into account utility model, makes things convenient for the carbide drill bit to carry out work.
The width of the connecting part 2 is gradually decreased to be in a step shape, the threaded connecting layer 14 is arranged on the bottommost layer, the limiting layer 15 is arranged above the threaded connecting layer 14 and used for being inserted into a groove of large-scale equipment to be fixed, the distance layer 17 with scales 16 is arranged above the limiting layer 15, and the depth of the large-scale equipment inserted into the groove can be judged according to the distance layer 17. The working drill bit 3 is cut from a cemented carbide block with a plurality of PCD grains 18 embedded in the cemented carbide block.
The utility model discloses well connecting portion width steadilys decrease into the echelonment gradually, it is fixed in the recess that its shape conveniently inserted the main equipment, and threaded connection layer easy to assemble in the connecting portion and dismantlement, spacing layer is spacing to the whole, the aversion can not take place for convenient during operation, the scale on distance layer and distance layer can be installed according to the scale indication, it is convenient more fast, imbed many PCD granule on the carbide piece, can improve holistic intensity and improve holistic frictional force, make things convenient for the alloy drill bit to carry out drilling operation.
The utility model discloses a carbide drill bit can use or a plurality of composite set installation use in the main equipment by the exclusive use installation, adjusts its quantity according to actual conditions to improve holistic work efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a detachable carbide drill bit, it includes the connecting portion of drill bit body and body below, its characterized in that: the drill bit body comprises work drill bit and drill bit seat, and wherein the drill bit seat becomes the round platform form, and its top intermediate position is sunken to be used for imbedding to the work drill bit, has arranged one below the drill bit seat and is cylindric connecting portion, and this connecting portion pass through the connecting block and the drill bit seat is fixed to arrange the strengthening rib piece of a parcel connecting portion in the connecting portion outside below the connecting block, this strengthening rib piece is used for protecting connecting portion difficult rupture at the during operation.
2. The removable cemented carbide drill bit of claim 1, wherein: the utility model discloses a drill bit seat, including drill bit seat, connecting portion, connecting block and connecting block, drill bit seat bottom round is inwards sunken to form a 90 degrees joint limit, has arranged connecting portion in the below on joint limit, and the top of this connecting portion is provided with the link the same with joint limit size, and the width that its below connecting portion width is less than the top link is the connecting portion that the cross section is the T font, and also is provided with the joint limit that is 90 degrees between connecting portion side body and the connecting block, through the connecting block fixed connection that joint limit on the drill bit seat and the joint limit outside on the connecting portion were arranged, connecting block top and below all are provided with outstanding round trip, all offer the draw-in groove that corresponds trip card income on the joint limit on the drill bit seat and the joint edge on the connecting portion.
3. The removable cemented carbide drill bit of claim 2, wherein: the outer side of the connecting block is an arc-shaped edge, a streamline whole body is formed between the arc-shaped edge and the drill bit seat, the width of the upper part of the arc-shaped edge is smaller than that of the lower part of the arc-shaped edge, a spread protective umbrella layer is formed, reinforcing rib blocks surrounding the outer side of the connecting part are fixed below the protective umbrella layer, hard alloy layers are welded outside the arc-shaped edge and the drill bit seat, and the wear resistance of the whole body is improved.
4. The removable cemented carbide drill bit of claim 3, wherein: the width of connecting portion decreases progressively and becomes the echelonment, is the threaded connection layer at the one deck of bottommost, is spacing layer above the threaded connection layer for insert fixed in the recess of main equipment, spacing layer top is the distance layer that has the scale, can judge the degree of depth of inserting to main equipment according to the distance layer.
5. The removable cemented carbide drill bit of claim 1, wherein: the working drill bit is formed by cutting a hard alloy block, and a plurality of PCD particles are embedded in the hard alloy block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222611991.XU CN218611835U (en) | 2022-09-30 | 2022-09-30 | Detachable carbide drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222611991.XU CN218611835U (en) | 2022-09-30 | 2022-09-30 | Detachable carbide drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218611835U true CN218611835U (en) | 2023-03-14 |
Family
ID=85468437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222611991.XU Active CN218611835U (en) | 2022-09-30 | 2022-09-30 | Detachable carbide drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218611835U (en) |
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2022
- 2022-09-30 CN CN202222611991.XU patent/CN218611835U/en active Active
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