CN210280800U - Drill bit with chamfering function - Google Patents
Drill bit with chamfering function Download PDFInfo
- Publication number
- CN210280800U CN210280800U CN201921325166.5U CN201921325166U CN210280800U CN 210280800 U CN210280800 U CN 210280800U CN 201921325166 U CN201921325166 U CN 201921325166U CN 210280800 U CN210280800 U CN 210280800U
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- China
- Prior art keywords
- drill
- rod
- slide bar
- chamfer
- sword
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 claims abstract description 24
- 238000003754 machining Methods 0.000 claims abstract description 12
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model is suitable for a machining field provides a drill bit of area chamfer processing, including drilling rod and sliding connection in the chamfer sword of drilling rod, the drilling rod includes integrated into one piece's straight rod portion, slide bar portion and fluted drill, and the straight rod portion, slide bar portion and fluted drill set gradually from top to bottom, spout and a plurality of locating hole have been seted up to the surface of slide bar portion; through divide into the drilling rod be used for with the straight rod portion of rig installation, be used for adjusting the slide bar portion of sword body position and be used for the fluted drill who punches, integrated into one piece avoids reducing intensity between the three, a plurality of locating holes are seted up to the left and right sides of slide bar portion, be used for pegging graft fixedly with the mounting on the sword body, realize the adjustment of tool setting body position on the drilling rod, avoid sword body rigidity, the realization is to the automatic adjustment of distance between the two, the degree of depth in the different processing part hole of adaptation that can be better.
Description
Technical Field
The utility model belongs to the machining field especially relates to a take drill bit of chamfer processing.
Background
The chamfering refers to processing of cutting edges and corners of a workpiece into a certain inclined plane, the chamfering is to remove burrs generated on the part due to machining, and is also convenient for part assembly, the chamfering is generally made at the end part of the part, in the field of machining, the part to be processed is often required to be subjected to hole opening processing, when the brass part is processed, a common drill bit such as a twist drill, a high-speed drill and the like is generally used for drilling holes, when the twist drill is used for drilling holes, the center point of the drill bit is required to be drilled, then the drill bit is used for drilling holes, and when the hole opening is chamfered, a larger drill bit or chamfering cutter is used for processing the chamfering.
At present, the drill bit with the chamfer is integrated on part of the twist drills, the chamfer cutter is directly fixed on the twist drills, the position is fixed, but because the depth of each drilling is different, the chamfer cutter on the fixed twist drills influences the continuation of the twist drills to go deep, sometimes, the chamfer cutter can not contact with an object to chamfer because the twist drills are too long.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take drill bit of chamfer processing aims at solving the drill bit that the integration has the chamfer on the part fluted drill, directly fixes the chamfer sword on the fluted drill, and the rigidity, but because the degree of depth of drilling at every turn is different, the chamfer sword on the fixed fluted drill influences continuation of fluted drill deep sometimes, sometimes can again because the fluted drill sets up the overlength, the unable contact object of chamfer sword carries out the problem of chamfer.
The utility model discloses a realize like this, a take drill bit of chamfer processing, including drilling rod and sliding connection in the chamfer sword of drilling rod, the drilling rod includes integrated into one piece's straight rod portion, slide bar portion and fluted drill, just straight rod portion the slide bar portion with fluted drill from the top down sets gradually, spout and a plurality of locating hole have been seted up to the surface of slide bar portion, the chamfer sword includes the sword body, the sword body through smooth foot sliding connection in the spout, the chip groove has been seted up to the outer wall of sword body, the shifting chute has been seted up to the upper surface of sword body, the inside of shifting chute is provided with the mounting, the mounting peg graft in the locating hole.
Preferably, the fixing piece is composed of a positioning rod and a spring, and the spring is positioned between the positioning rod and the inner wall of the moving groove.
Preferably, the positioning rod is inserted into the positioning hole, and a projection is arranged on the outer wall of the positioning rod.
Preferably, the positioning holes are arranged in two rows at equal intervals and vertically and are positioned on the left side and the right side of the sliding rod part.
Preferably, the height of the bottommost positioning hole in the same row is the same as the height of the bottom end of the slide bar part.
Preferably, the sliding grooves are trapezoidal grooves, and the number of the sliding grooves is two, and the two sliding grooves are respectively located on the front side and the rear side of the sliding rod portion.
Preferably, a hole is formed in the cutter body, and the diameter of the hole is the same as that of the twist drill.
Preferably, the cutter body is in a circular truncated cone shape, and the chip discharge grooves are right-angled V-shaped grooves.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a take drill bit of chamfer processing, through divide into the drilling rod be used for with the straight rod portion of rig installation, a twist drill bit for adjusting the slide bar portion of sword body position and being used for punching, integrated into one piece avoids reducing strength between the three, a plurality of locating holes are seted up to the left and right sides of slide bar portion, a mounting for with on the sword body is pegged graft fixedly, realize the adjustment of sword body position on the drilling rod, avoid sword body rigidity, thereby fixed with the distance between the twist drill bit, too long contact can't realize chamfer processing to the processing part, too short influence the problem of the degree of depth of punching of twist drill bit to the processing part, realize the automatic adjustment to the distance between the two, the degree of depth in the different processing part hole of adaptation that can be better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the drill stem of the present invention;
FIG. 3 is a schematic structural view of the middle chamfering tool of the present invention;
FIG. 4 is a schematic view of a planar structure of the chamfering tool of the present invention;
in the figure: 1. a drill stem; 11. a straight rod part; 12. a slide bar part; 13. a twist drill; 14. a chute; 15. positioning holes; 2. chamfering cutter; 21. a knife body; 22. a chip groove; 23. a sliding foot; 24. a moving groove; 25. positioning a rod; 26. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a take drill bit of chamfer processing, including drilling rod 1 and sliding connection in the chamfer sword 2 of drilling rod 1, drilling rod 1 includes integrated into one piece's straight rod portion 11, slide bar portion 12 and twist drill 13, and straight rod portion 11, slide bar portion 12 and twist drill 13 from the top down set gradually, spout 14 and a plurality of locating hole 15 have been seted up to the surface of slide bar portion 12, chamfer sword 2 includes sword body 21, sword body 21 is through smooth foot 23 sliding connection in spout 14, chip groove 22 has been seted up to the outer wall of sword body 21, shifting chute 24 has been seted up to the upper surface of sword body 21, the inside of shifting chute 24 is provided with the mounting, the mounting is pegged graft in locating hole 15.
In the embodiment, before the drill is used, the cutter body 21 is firstly moved to the topmost end of the sliding chute 14 through the sliding foot 23, the positioning rods 25 on two sides of the cutter body 21 are popped out under the action of the spring 26 and inserted into the topmost positioning holes 15 on two sides of the sliding rod part 12, the cutter body 21 is fixed to the topmost end of the sliding chute 14, then the straight rod part 11 is inserted into a drill to be installed on the drill, when the drill is used, the drill is started, the rotation of the drill drives the straight rod part 11 to rotate, the sliding rod part 12 and the twist drill 13 which are integrally formed by the straight rod part 11 also rotate along with the rotation of the straight rod, so that the twist drill 13 slowly penetrates into a machined part during rotation, primary punching machining is carried out on the machined part, and then when the drill 13 reaches a specified depth in the machined part, the rotation is stopped, namely, a deep twist hole is punched on the machined part, then, the hole is enlarged and chamfered, firstly, the drilling machine rotates reversely, the twist drill is slowly taken out of the hole of the processed part, then, an operator adjusts the height of the chamfering cutter 2 according to needs, firstly, the positioning rod 25 in the moving groove 24 of the cutter body 21 is pulled towards two sides to separate the positioning rod, then, the cutter body 21 slowly slides downwards in the sliding groove 14 through the sliding foot 23, when the specified position is caused, the two hands loosen the convex block on the positioning rod 25, the positioning rod 25 does not pull outwards by external force, automatic return is carried out under the action of the internal spring 26, so that the positioning rod is reinserted into the positioning hole 15, the position of the chamfering cutter 2 is fixed, then, the drilling machine is started, the rotation of the drilling machine drives the straight rod part 11, the sliding rod part 12 and the twist drill 13 to rotate, the sliding groove 14 of the sliding rod part 12 is matched with the sliding foot 23 of the cutter body 21, and the positioning rod 25 is matched, the rotation of the slide bar part 12 drives the cutter body 21 to rotate, the rotation of the cutter body 21 carries out chamfering processing on the processed parts, the height of the cutter body 21 is freely adjusted, and the interference to the twist drill 13 and the situation that the twist drill cannot be used when the twist drill is needed are avoided.
Further, the fixing member is composed of a positioning rod 25 and a spring 26, and the spring 26 is located between the positioning rod 25 and the inner wall of the moving groove 24.
In this embodiment, the fixing member composed of the positioning rod 25 and the spring 26 is used for being inserted into the positioning hole 15 on the sliding rod portion 12, so as to fix the cutter body 21 to the sliding rod portion 12, and the spring 26 is used for ejecting the positioning rod 25 from the moving groove 24 and tightly abutting against the positioning hole 15, so as to prevent the positioning rod 25 from being separated from the positioning hole 15, so that the cutter body 21 cannot be fixed on the sliding rod portion 12, and the whole drill cannot be used.
Furthermore, the positioning rod 25 is inserted into the positioning hole 15, and a projection is arranged on the outer wall of the positioning rod 25.
In the present embodiment, the positioning rod 25 is inserted into the positioning hole 15 to fix the cutter body 21 and the slide rod portion 12 relative to each other, the position of the cutter body 21 on the slide rod portion 12 is freely adjusted to control the length of the twist drill 13, and a protrusion is provided on the outer wall of the positioning rod 25 for allowing an operator to pull or move the protrusion to drive the positioning rod 25 to move in the moving groove 24, thereby pressing the internal spring 26, and the front end of the positioning rod 25 is separated from the positioning hole 15 to move the cutter body 21 on the slide rod portion 12.
Further, the positioning holes 15 are arranged in two rows at equal intervals and vertically and are located on the left side and the right side of the slide bar part 12.
In the present embodiment, the positioning holes 15 are disposed on both the left and right sides of the sliding rod portion 12 for being inserted and adapted with the positioning rods 25 on both sides of the cutter body 21, so that the two sides are fixed to each other, and therefore, the deviation of the cutter body 21 on the outer wall of the sliding rod portion 12, which is easily caused by the one-side arrangement, is avoided, thereby causing deviation to the machined parts.
Further, the height of the bottommost positioning hole 15 in the same row is the same as the height of the bottom end of the sliding rod part 12.
In this embodiment, the lowest next positioning hole 15 in the same row is set at the same bottom end position of the slide bar portion 12, and the upper surface of the cutter body 21 is positioned at this position, so that the cutter body 21 is sleeved on the twist drill 13, and the position between the cutter body 21 and the twist drill 13 is reduced, when the twist drill 13 needs to perform chamfering and punching on a shallower part of a machined part, the cutter body 21 cannot process the machined part due to the distance between the cutter body 21 and the twist drill 13.
Further, the sliding groove 14 is a trapezoidal groove, and two sliding grooves 14 are provided, which are respectively located at the front side and the rear side of the sliding rod portion 12.
In the present embodiment, the sliding groove 14 is a trapezoidal groove, and the corresponding sliding leg 23 on the knife body 21 is a trapezoidal leg, so that the two are clamped and slid with each other, thereby preventing the knife body 21 from separating from the sliding rod portion 12, and enhancing the connection between the two.
Further, a hole is formed in the cutter body 21, and the diameter of the hole is the same as that of the twist drill 13.
In this embodiment, the cutter body 21 is provided with a hole for sleeving the cutter body 21 on the outer wall of the slide rod portion 12, so that the cutter body can slide outside the slide rod portion 12, and the diameter of the hole is the same as that of the twist drill 13, so that the front end of the cutter body 21 can also slide to the position of the twist drill 13, and the distance between the cutter body 21 and the top end of the twist drill 13 is reduced.
Further, the cutter body 21 is in a circular truncated cone shape, and the chip discharge groove 22 is a right-angled V-shaped groove.
In the present embodiment, the circular truncated cone-shaped cutter body 21 is interchangeably inserted into the hole of the workpiece punched by the twist drill 13 to further expand or chamfer the hole, and the chip groove 22 of the rectangular V-shaped groove removes the burr on the workpiece by the edge of the side surface and discharges the burr by the chip groove 22 therebetween, thereby facilitating use.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a take drill bit of chamfer processing which characterized in that: including drilling rod (1) and sliding connection in chamfer sword (2) of drilling rod (1), drilling rod (1) includes integrated into one piece's straight rod portion (11), slide bar portion (12) and fluted drill (13), just straight rod portion (11) slide bar portion (12) with fluted drill (13) from the top down sets gradually, spout (14) and a plurality of locating hole (15) have been seted up to the surface of slide bar portion (12), chamfer sword (2) are including sword body (21), sword body (21) through smooth foot (23) sliding connection in spout (14), chip groove (22) have been seted up to the outer wall of sword body (21), shifting chute (24) have been seted up to the upper surface of sword body (21), the inside of shifting chute (24) is provided with the mounting, the mounting peg graft in locating hole (15).
2. The drill with chamfer machining according to claim 1, wherein: the fixing piece consists of a positioning rod (25) and a spring (26), and the spring (26) is positioned between the positioning rod (25) and the inner wall of the moving groove (24).
3. The drill with chamfer machining according to claim 2, characterized in that: the positioning rod (25) is inserted into the positioning hole (15), and a convex block is arranged on the outer wall of the positioning rod (25).
4. The drill with chamfer machining according to claim 3, characterized in that: a plurality of locating holes (15) are arranged in two rows in an equidistant and vertical mode and are located on the left side and the right side of the sliding rod part (12).
5. The drill with chamfer machining according to claim 4, wherein: the height of the lowest positioning hole (15) in the same row is the same as the height of the bottom end of the slide bar part (12).
6. The drill with chamfer machining according to claim 1, wherein: the sliding grooves (14) are trapezoidal grooves, and the number of the sliding grooves (14) is two, and the two sliding grooves are respectively located on the front side and the rear side of the sliding rod portion (12).
7. The drill with chamfer machining according to claim 1, wherein: the inside of the cutter body (21) is provided with a hole, and the diameter of the hole is the same as that of the twist drill (13).
8. The drill with chamfer machining according to claim 1, wherein: the cutter body (21) is in a round table shape, and the chip discharge grooves (22) are right-angled V-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325166.5U CN210280800U (en) | 2019-08-15 | 2019-08-15 | Drill bit with chamfering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325166.5U CN210280800U (en) | 2019-08-15 | 2019-08-15 | Drill bit with chamfering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210280800U true CN210280800U (en) | 2020-04-10 |
Family
ID=70061685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921325166.5U Expired - Fee Related CN210280800U (en) | 2019-08-15 | 2019-08-15 | Drill bit with chamfering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210280800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604343A (en) * | 2023-07-18 | 2023-08-18 | 潍坊埃锐制动系统有限公司 | Drilling device for brake drum |
| CN116604343B (en) * | 2023-07-18 | 2025-04-11 | 潍坊埃锐制动系统有限公司 | Brake drum drilling device |
-
2019
- 2019-08-15 CN CN201921325166.5U patent/CN210280800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604343A (en) * | 2023-07-18 | 2023-08-18 | 潍坊埃锐制动系统有限公司 | Drilling device for brake drum |
| CN116604343B (en) * | 2023-07-18 | 2025-04-11 | 潍坊埃锐制动系统有限公司 | Brake drum drilling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |