CN221158718U - Drill bit with good chip removal performance - Google Patents
Drill bit with good chip removal performance Download PDFInfo
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- CN221158718U CN221158718U CN202323099657.1U CN202323099657U CN221158718U CN 221158718 U CN221158718 U CN 221158718U CN 202323099657 U CN202323099657 U CN 202323099657U CN 221158718 U CN221158718 U CN 221158718U
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- drill bit
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 10
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910021389 graphene Inorganic materials 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 40
- 238000005260 corrosion Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 8
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- 239000011248 coating agent Substances 0.000 description 5
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- 239000000203 mixture Substances 0.000 description 5
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a drill bit with good chip removal performance, which comprises a drill bit body and a mounting seat, wherein a connecting block is fixed on the right side of the drill bit body, a connecting mechanism is arranged on the outer side of the mounting seat, a strength component is arranged in the drill bit body, the connecting mechanism comprises a disc fixed on the outer side of the mounting seat, a plurality of movable cylinders are fixed on the left side of the disc, the outer sides of the movable cylinders are all connected with the mounting cylinders in a sliding manner, the same movable disc is fixed at the left ends of the mounting cylinders, and a plurality of positioning rods are fixed on the left side of the movable disc. This drill bit that chip removal performance is good, through pulling movable disk right side, with the connecting block and the spread groove threaded connection of drill bit body, carry out preliminary fixed, in order to prevent that the drill bit body from appearing not hard up condition, make a plurality of springs begin to reset, fix a position the drill bit body, prevent that the drill bit body from breaking away from the mount pad, reached the purpose of fixed drill bit body.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to a drill bit with good chip removal performance.
Background
Drill bits with a diameter of less than 3.175mm are commonly referred to as micro drill bits, simply micro drills. In order to improve the use efficiency in the use process of the drill bit, the drill bit is required to be convenient for chip removal and accelerate the working process.
An example chinese patent CN 210817596U discloses a micro drill, including a drill shank and a drill body disposed at one end of the drill shank, the drill body includes a cutting portion and a guiding portion, the guiding portion is disposed between the cutting portion and the drill shank, the cutting portion includes two main cutting edges and spiral grooves corresponding to the two main cutting edges, the two main cutting edges are disposed on the end face of the cutting portion, the two spiral grooves extend from the end face of the cutting portion to the direction of the guiding portion in a spiral manner and meet and stop at the front end of the guiding portion, the guiding portion is provided with a main chip groove and an auxiliary chip groove extending from the front end of the guiding portion to the direction of the drill shank in parallel, and the front ends of the main chip groove and the auxiliary chip groove are all communicated with the meeting positions of the two spiral grooves.
The micro drill has a certain disadvantage, for example, although the rigidity strength of the middle and rear sections of the drill is enhanced, the breaking probability in the drilling process is effectively reduced, the breaking resistance and the dimensional accuracy of hole site machining of the drill are improved, but the drill is easy to break, for example, the problem that the drill is easy to break is pointed out in the patent CN 210817596U by the patent CN 218503417U, and therefore the application provides a drill with good chip removal performance to solve the problem.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the drill with good chip removal performance, has the advantage of stable installation of the drill, and solves the problem that the drill is easy to break.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the drill bit with the good chip removal performance comprises a drill bit body and a mounting seat, wherein a connecting block is fixed on the right side of the drill bit body, a connecting mechanism is arranged on the outer side of the mounting seat, and a strength component is arranged in the drill bit body;
The connecting mechanism comprises a disc fixed on the outer side of the mounting seat, a plurality of movable cylinders are fixed on the left side of the disc, the outer sides of the movable cylinders are all connected with the mounting cylinders in a sliding mode, the same movable disc is fixed at the left ends of the mounting cylinders, and a plurality of positioning rods are fixed on the left side of the movable disc;
The strength component comprises a hardness layer arranged inside the drill bit body, a rigid layer is fixed on the outer side of the hardness layer, and a rust-proof layer is fixed on the outer side of the rigid layer.
Further, the chip groove is formed in the outer side of the drill bit body, and the connecting groove in threaded connection with the connecting block is formed in the left side of the mounting seat.
Further, both sides all have seted up the spout around the mount pad, the inner wall of movable disk inner chamber is fixed with the slider with spout sliding connection.
Further, springs are fixed between the side walls of the plurality of mounting cylinders, which are opposite to the inner cavity of the movable cylinder, and the section shape of the movable disc is a circular ring.
Further, the outside of drill bit body just is close to the right-hand member of drill bit body and is fixed with the fixed disk, a plurality of round holes that run through to the fixed disk right side are seted up to the left side of fixed disk.
Furthermore, a plurality of positioning rods are in clearance fit with the round holes, and the hardness layer is a tungsten steel layer.
Further, the rigid layer is a steel layer, and the antirust layer is a graphene epoxy anticorrosive paint layer.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. This drill bit that chip removal performance is good, through pulling movable disk right side, with the connecting block and the spread groove threaded connection of drill bit body, carry out preliminary fixed, in order to prevent that the drill bit body from appearing not hard up condition, make a plurality of springs begin to reset, fix a position the drill bit body, prevent that the drill bit body from breaking away from the mount pad, reached the purpose of fixed drill bit body.
2. The drill bit with good chip removal performance is characterized in that the hardness layer, the rigid layer and the rust-proof layer of the strength component are matched, so that the drill bit body has high hardness, good wear resistance, good strength and good toughness, and the corrosion resistance of the drill bit body is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a connecting mechanism according to the present utility model;
FIG. 3 is a schematic view of a strength member according to the present utility model.
In the figure: 1 bit body, 2 coupling mechanism, 201 discs, 202 movable cylinders, 203 mounting cylinders, 204 movable plates, 205 positioning rods, 206 connecting grooves, 3 junk slots, 4 strength components, 401 hardness layers, 402 rigid layers, 403 antirust layers, 5 connecting blocks and 6 mounting seats.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, a drill bit with good chip removal performance in this embodiment includes a drill bit body 1 and a mounting seat 6, wherein the mounting seat 6 is fixed with an external drilling machine, which is not excessively repeated in the prior art, a connecting block 5 is fixed on the right side of the drill bit body 1, a connecting mechanism 2 is arranged on the outer side of the mounting seat 6, a strength component 4 is arranged in the drill bit body 1, a chip removal groove 3 is formed on the outer side of the drill bit body 1, a fixing disc is fixed on the outer side of the drill bit body 1 and near the right end of the drill bit body 1, and a plurality of round holes penetrating to the right side of the fixing disc are formed on the left side of the fixing disc.
Referring to fig. 2, in order to fixedly mount the drill bit body 1, the connection mechanism 2 in the present embodiment includes a disc 201 fixed on the outer side of the mounting seat 6, a plurality of movable cylinders 202 are fixed on the left side of the disc 201, the outer sides of the plurality of movable cylinders 202 are slidably connected with the mounting cylinders 203, the same movable disc 204 is fixed on the left ends of the plurality of mounting cylinders 203, and a plurality of positioning rods 205 are fixed on the left side of the movable disc 204.
In this example, the left side of mount pad 6 has seted up the spread groove 206 with connecting block 5 threaded connection, the spout has all been seted up to the front and back both sides of mount pad 6, the inner wall of movable dish 204 inner chamber is fixed with the slider with spout sliding connection, all be fixed with the spring between the opposite side wall of a plurality of mount drums 203 and movable dish 202 inner chamber, through pulling movable dish 204 right side, and extrude a plurality of springs, the connecting block 5 with drill bit body 1 and spread groove 206 threaded connection carry out preliminary fixation this moment, the cross-sectional shape of movable dish 204 is the ring, a plurality of locating levers 205 and round hole clearance fit, in order to prevent that drill bit body 1 from appearing not hard up condition, consequently, make a plurality of springs begin to reset, make movable dish 204 move left and make a plurality of locating levers 205 card advance the inside of round hole, fix a position drill bit body 1, prevent that drill bit body 1 breaks away from mount pad 6.
It should be noted that, through pulling movable disc 204 to the right, connecting block 5 and spread groove 206 threaded connection of drill bit body 1 carry out preliminary fixed, in order to prevent that drill bit body 1 from appearing not hard up condition, make a plurality of springs begin to reset, fix a position drill bit body 1, prevent that drill bit body 1 from breaking away from mount pad 6, reached the purpose of fixed drill bit body 1.
Referring to fig. 3, in order to make the drill bit body 1 have high hardness, wear resistance, better strength and toughness, and improve the corrosion resistance of the drill bit body 1, the strength component 4 in the embodiment includes a hardness layer 401 disposed inside the drill bit body 1, a rigid layer 402 is fixed on the outer side of the hardness layer 401, and a rust-proof layer 403 is fixed on the outer side of the rigid layer 402.
In this example, the hardness layer 401 is a tungsten steel layer, and by means of the tungsten steel layer composition of the hardness layer 401 in the strength component 4, the drill bit body 1 has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, the rigidity layer 402 is a steel layer, by means of the steel layer composition of the rigidity layer 402, the strength and hardness of the drill bit body 1 are both high, the toughness is good, the rust-proof layer 403 is a graphene epoxy anti-corrosion coating layer, the graphene epoxy anti-corrosion coating layer composition of the rust-proof layer 403 is utilized, and by adding graphene powder into a solvent type coating, the obtained coating with high anti-corrosion capability is uniformly dispersed, and by means of a unique two-dimensional lamellar structure of graphene, various performance indexes including anti-corrosion performance of the drill bit body 1 can be greatly improved.
The hardness layer 401, the rigid layer 402 and the rust-proof layer 403 of the strength component 4 are matched with each other, so that the drill bit body 1 has high hardness, wear resistance, better strength and toughness, and the corrosion resistance of the drill bit body 1 is improved.
It will be appreciated that in the description of the utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the present utility model can be understood by those skilled in the art in specific cases, and the details of the present utility model are not described in detail, which are known to those skilled in the art.
The working principle of the embodiment is as follows:
(1) When the drill bit with good chip removal performance is needed to be used, the movable disc 204 is pulled to the right side and the springs are extruded, at the moment, the connecting block 5 of the drill bit body 1 is in threaded connection with the connecting groove 206 to be primarily fixed, so that the springs start to reset in order to prevent the loosening of the drill bit body 1, the movable disc 204 moves leftwards and the positioning rods 205 are clamped into the round holes to position the drill bit body 1, the drill bit body 1 is prevented from being separated from the mounting seat 6, and then the mounting seat 6 is fixed with an external drilling machine.
(2) The drill bit body 1 has a series of excellent performances such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like through the tungsten steel layer composition of the hardness layer 401 in the strength component 4, meanwhile, the drill bit body 1 has higher strength and hardness and better toughness through the steel layer composition of the rigid layer 402, and various performance indexes of the drill bit body 1 including the corrosion resistance can be greatly improved through the graphene epoxy corrosion resistance coating composition of the rust prevention layer 403, the graphene powder is added into the solvent type coating, and the coating with high corrosion resistance is obtained after uniform dispersion, and the coating has a unique two-dimensional lamellar structure of graphene.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a drill bit that chip removal performance is good, includes drill bit body (1) and mount pad (6), its characterized in that: the right side of the drill bit body (1) is fixedly provided with a connecting block (5), the outer side of the mounting seat (6) is provided with a connecting mechanism (2), and the inside of the drill bit body (1) is provided with a strength component (4);
The connecting mechanism (2) comprises a disc (201) fixed on the outer side of the mounting seat (6), a plurality of movable cylinders (202) are fixed on the left side of the disc (201), mounting cylinders (203) are slidably connected on the outer sides of the movable cylinders (202), the same movable disc (204) is fixed at the left ends of the mounting cylinders (203), and a plurality of positioning rods (205) are fixed on the left side of the movable disc (204);
the strength component (4) comprises a hardness layer (401) arranged inside the drill bit body (1), a rigid layer (402) is fixed on the outer side of the hardness layer (401), and a rust-proof layer (403) is fixed on the outer side of the rigid layer (402).
2. A drill bit with good chip removal performance according to claim 1, wherein: junk slots (3) are formed in the outer side of the drill bit body (1), and connecting grooves (206) in threaded connection with the connecting blocks (5) are formed in the left side of the mounting seat (6).
3. A drill bit with good chip removal performance according to claim 1, wherein: the sliding grooves are formed in the front side and the rear side of the mounting seat (6), and sliding blocks which are in sliding connection with the sliding grooves are fixed on the inner wall of the inner cavity of the movable disc (204).
4. A drill bit with good chip removal performance according to claim 1, wherein: springs are fixed between the side walls of the plurality of mounting cylinders (203) opposite to the inner cavity of the movable cylinder (202), and the section of the movable disc (204) is circular.
5. A drill bit with good chip removal performance according to claim 1, wherein: the drill bit comprises a drill bit body (1), and is characterized in that a fixed disc is fixed on the outer side of the drill bit body (1) and close to the right end of the drill bit body (1), and a plurality of round holes penetrating to the right side of the fixed disc are formed in the left side of the fixed disc.
6. The drill bit with good chip removal performance according to claim 5, wherein: and a plurality of positioning rods (205) are in clearance fit with the round holes, and the hardness layer (401) is a tungsten steel layer.
7. A drill bit with good chip removal performance according to claim 1, wherein: the rigid layer (402) is a steel layer, and the antirust layer (403) is a graphene epoxy anticorrosive paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323099657.1U CN221158718U (en) | 2023-11-16 | 2023-11-16 | Drill bit with good chip removal performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323099657.1U CN221158718U (en) | 2023-11-16 | 2023-11-16 | Drill bit with good chip removal performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221158718U true CN221158718U (en) | 2024-06-18 |
Family
ID=91464098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323099657.1U Active CN221158718U (en) | 2023-11-16 | 2023-11-16 | Drill bit with good chip removal performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221158718U (en) |
-
2023
- 2023-11-16 CN CN202323099657.1U patent/CN221158718U/en active Active
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