CN213104630U - Deep hole drill with replaceable drill bit - Google Patents
Deep hole drill with replaceable drill bit Download PDFInfo
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- CN213104630U CN213104630U CN202022170022.6U CN202022170022U CN213104630U CN 213104630 U CN213104630 U CN 213104630U CN 202022170022 U CN202022170022 U CN 202022170022U CN 213104630 U CN213104630 U CN 213104630U
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Abstract
The utility model relates to the technical field of deep hole drills, in particular to a deep hole drill with a replaceable drill bit, which comprises a drill rod and a drill bit, wherein the drill rod is detachably connected with the drill bit; a drill rod chip groove is formed in the outer side of the drill rod in the axial direction, and a drill bit chip groove communicated with the drill rod chip groove is formed in the outer side surface of the drill bit; the drill rod is provided with a water pipeline along the axis direction of the drill rod, and the drill bit is provided with a cooling pipeline respectively connected with the drill bit chip removal groove and the water pipeline. The utility model can make the drill bits with different diameters suitable for one drill rod; the universality of the drill rod is effectively improved; the chip groove is arranged on the outer side, so that the system is simple in structure.
Description
Technical Field
The utility model relates to a deep hole machining cutter technical field, in particular to deep hole drill of removable drill bit.
Background
Deep hole processing is a difficult point in mechanical processing, wherein a lengthening drill, a gun drill, a BTA (BTA) deep hole drill and the like are the most common deep hole processing cutters, the gun drill is a welding type drill, the drill of one specification can only process the hole diameter of one size, the drill needs to be reground after being used, a professional clamp is needed for grinding, and the most important factor of failure and scrapping is that the drill falls off; the BTA deep hole drill has an internal sealing type, external cooling circulation and internal chip removal, and has a complex system structure and high cutter cost and use cost.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a deep hole drill with a replaceable drill bit; the drill bit with different diameters can be suitable for one drill rod; the universality of the drill rod is effectively improved; the chip removal grooves are formed in the outer sides, so that chip removal is more convenient.
The utility model provides a solution that technical problem adopted is:
a deep hole drill with a replaceable drill bit comprises a drill rod and a drill bit, wherein the drill rod is detachably connected with the drill bit; a drill rod chip groove is formed in the outer side of the drill rod, a drill bit chip groove communicated with the drill rod chip groove is formed in the outer side surface of the drill bit, and the drill rod chip groove is formed in the axial direction of the drill rod; the drill rod is provided with a water pipeline along the axis direction of the drill rod, and the drill bit is provided with a cooling pipeline which is respectively connected with the drill bit chip removal groove and the water pipeline.
Further, the drill bit includes that the lateral surface is provided with the drill bit body of drill bit chip groove, installs at the tip of drill bit body and the locating piece of being connected with the drilling rod and installs the blade on the drill bit body.
Furthermore, the lateral surface of drill bit body is provided with the guide way install the gib block in the guide way.
Further, the other end of the drill bit body is provided with a blade mounting groove, and the blade is mounted in the blade mounting groove.
Furthermore, the positioning block comprises a positioning block main body connected with the end part of the drill bit and a connecting lug seat arranged on one side of the positioning block main body far away from the drill bit body; the connecting lug seat is connected with the drill rod through a screw.
Furthermore, a positioning groove matched with the positioning block is formed in the drill rod.
Furthermore, the constant head tank is including setting up the recess that is close to drill bit one end at the drilling rod and is used for the installation locating piece main part, setting at the recess bottom and with the ear seat groove of recess intercommunication and set up the screw hole that just communicates with ear seat groove in the side of drilling rod.
Furthermore, the number of the positioning blocks is at least two and is uniformly arranged, and the positioning grooves are in one-to-one correspondence with the positioning blocks.
Further, the cooling pipeline comprises a connecting pipeline which is arranged on the positioning block main body and connected with the water pipeline, and a cooling channel which is communicated with the connecting pipeline and arranged on the drill bit body.
Furthermore, be provided with the drainage groove with cooling channel's export intercommunication on the terminal surface of drill bit body, the other end and the drill bit chip groove intercommunication of drainage groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model realizes that different drill bits can be changed according to the size of the aperture by the detachable connection of the drill rod and the drill bit; the universality of the drill rod is increased; the manufacturing of the drill rod is reduced;
the utility model realizes the installation of the blade through the blade installation groove, and when in use, different blades can be replaced according to the use requirements, so that the application range is wider;
the guide groove is arranged on the outer side of the drill bit, and the straightness of the processed hole is effectively guaranteed by installing the guide strip in the guide groove;
the utility model discloses with the chip groove setting in the outside, with the cooling tube setting that water pipeline, cooling channel formed in the inboard of drilling rod and drill bit, this makes the simple structure of this device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic axial side view of the drill rod of the present invention;
FIG. 4 is a side view of the drill stem of the present invention;
FIG. 5 is a schematic view of the structure of the drill according to the present invention;
FIG. 6 is a side view of a drill bit according to the present invention;
description of the main elements
1. A drill bit; 11; a drill bit body; 12. positioning blocks; 121. a positioning block main body; 1211. connecting a pipeline; 122. connecting the ear seat; 13. a guide strip; 14. a drill chip groove; 15. a blade; 16. a cooling channel; 17. a drainage groove; 2. a drill stem; 21. a drill rod chip groove; 22. positioning a groove; 221. a groove; 222. an ear seat slot; 23. a water pipeline; 24. a threaded bore.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
1-6, the deep hole drill with a replaceable drill bit comprises a drill stem 2 and a drill bit 1, wherein the drill stem 2 is detachably connected with the drill bit 1; a drill rod chip groove 21 is formed in the outer side of the drill rod 2, and the drill rod chip groove 21 is formed in the axial direction of the drill rod 2; a drill bit chip groove 14 communicated with a drill rod chip groove 21 is formed in the outer side surface of the drill bit 1; the drill rod 2 is provided with a water pipeline 23 along the axis direction, and the drill bit 1 is provided with a cooling pipeline respectively connected with the drill bit chip groove 14 and the water pipeline 23.
When in use, the drill bit 1 matched with the aperture of the processing hole is selected to be connected with the drill rod 2 according to the aperture of the hole to be processed, and the drill bit 1 is taken down after the processing is finished; to the waiting hole of different apertures, when using, only need change different drill bits 1 can to effectual realized that a drilling rod 2 is applicable to different drill bits 1, compare the welded type drill bit 1 that the gun drill adopted among the prior art, promoted drilling rod 2's commonality greatly.
As shown in fig. 1, a drill rod chip groove 21 is provided on the outer side of the drill rod 2, and a drill bit chip groove 14 communicating with the drill rod chip groove 21 is provided on the outer side surface of the drill bit 1. Above-mentioned setting is compared BTA deep hole and is bored hole chip removal mode, sets up the chip groove in the outside for the structure is simpler.
When the drill bit is used, water is introduced into the water pipeline 23 of the drill rod 2, the water enters through the water pipeline 23 and is discharged from the cooling pipeline, the temperature of the drill bit 1 is reduced, the discharged water enters the drill bit chip groove 14, acting force is exerted on chips in the drill bit chip groove 14, and the chips are accelerated to flow from the drill bit chip groove 14 to the drill rod chip groove 21 and then are discharged.
Preferably, as shown in fig. 1, two sets of drill rod chip grooves 21 and drill bit chip grooves 14 are provided, and two sets of drill rod chip grooves 21 and two sets of drill bit chip grooves 14 form two sets of chip grooves that are symmetrical to each other.
In some embodiments, the drill rod chip groove 21 and the drill bit chip groove 14 are both V-shaped grooves, so that a V-shaped chip groove is formed, and chips are guided and discharged in order.
In order to further realize the detachable connection of the drill bit 1 and the drill rod 2; as shown in fig. 5, the drill bit 1 includes a bit body 11, a positioning block 12 mounted at an end of the bit body 11 and detachably connected to the drill rod 2, and a blade 15 mounted on the bit body 11.
As shown in fig. 5 and 6, a guide groove is provided on an outer side surface of the drill body 11, and a guide bar 13 is mounted in the guide groove.
The purpose of arranging the guide strip 13 on the outer side surface of the drill bit body 11 is that during drilling, the radial force of the blade 15 always presses the guide strip 13 to make the guide strip 13 cling to the processed hole wall to advance so as to obtain better processing straightness, and further the device can be suitable for deep hole processing.
Preferably, the guide bars 13 are at least two groups; the guide grooves in the outer side of the drill bit body 11 are arranged in a one-to-one correspondence manner, and the guide grooves are uniformly distributed in an annular manner by taking the axis of the drill bit 1 as the axis.
Further, as shown in fig. 5, at least two positioning blocks 12 are uniformly arranged, and the positioning grooves 22 are arranged in one-to-one correspondence with the positioning blocks 12. The positioning block 12 is arranged in the positioning groove 22, and the drill bit 1 is detachably connected with the drill rod 2 through screws. More than two positioning blocks 12 can effectively ensure that the connection between the drill rod 2 and the drill bit 1 is more reliable.
The positioning block 12 is convenient for the connection of the drill bit 1 and the drill rod 2, and can also effectively realize positioning and improve the assembly efficiency.
Further, as shown in fig. 5, the positioning block 12 includes a positioning block main body 121 connected to the end of the drill bit 1, and a connecting lug 122 disposed on one side of the positioning block main body 121 far from the drill bit 1; the connection lug 122 is connected to the drill rod 2 by means of screws. The drill rod 2 is further provided with a threaded hole 24 communicated with the lug seat groove 222, the connecting lug seat 122 is provided with a screw hole matched with the threaded hole 24 for use, when the drill rod is installed, the connecting lug seat 122 and the positioning block main body 121 are installed in the positioning groove 22, and the drill bit 1 is connected with the drill rod 2 through the matching of the screw, the threaded hole 24 and the screw hole.
Preferably, in order to speed up installation and quick assembly, as shown in fig. 3, the positioning groove 22 includes a groove 221 provided at an end of the drill rod 2 near the drill bit 1 and used for installing the positioning block body 121, an ear seat groove 222 provided at a bottom of the groove 221 and communicating with the groove 221, and a threaded hole 24 provided at a side of the drill rod 2 and communicating with the ear seat groove 222.
When the drill bit 1 is connected to the drill rod 2, the positioning block body 121 is aligned with the groove 221, the connecting lug 122 enters the lug groove 222, and then the connecting lug 122 is connected to the drill rod 2 by a screw, so that the drill rod 2 and the drill bit 1 form a whole.
Further, the cooling duct includes a connection duct 1211 provided on the positioning block main body 121 and connected to the water passage 23, and a cooling passage 16 provided on the drill main body 11 and communicating with the connection duct 1211. After passing through the water passage 23, water enters the connection pipe 1211 and is discharged from the cooling passage 16, which effectively lowers the temperature of the drill bit 1 during drilling.
In some embodiments, the number of the positioning blocks 12 is two, the corresponding connecting pipes 1211 and the corresponding cooling pipes are two, the water pipe 23 is Y-shaped, and includes a main pipe and two branch pipes respectively connected to one end of the main pipe, the two branch pipes are respectively connected to the connecting pipes 1211 on the two positioning block main bodies 121, water enters the two branch pipes through the main pipe, then enters the connecting pipes 1211 connected thereto, and then enters the cooling pipes to cool the drill bit 1.
Preferably, the cooling pipe is disposed along the axial direction of the bit body 11 and penetrates the bit body 11. This results in a more uniform cooling of the entire drill bit 1 and a larger cooling area.
Furthermore, in order to make the application range of the device wider, different blades 15 can be replaced according to the use requirements; and a blade 15 mounting groove is formed in the other end of the drill bit body 11, and the blade 15 is mounted in the blade 15 mounting groove.
In some embodiments, as shown in fig. 2 and 5, in order to achieve effective drainage of water in the cooling pipeline to the drill chip discharge groove 14 and further facilitate discharge of chips, a drainage groove 17 communicated with an outlet of the cooling channel 16 is provided on the end surface of the drill bit body 11, and the other end of the drainage groove 17 is communicated with the drill chip discharge groove 14.
Claims (10)
1. The utility model provides a deep hole of removable drill bit bores, includes drilling rod (2), drill bit (1), its characterized in that: the drill rod (2) is detachably connected with the drill bit (1); a drill rod chip groove (21) is formed in the outer side surface of the drill rod (2), and the drill rod chip groove (21) is formed in the axial direction of the drill rod; a drill bit chip groove (14) communicated with the drill rod chip groove (21) is formed in the outer side surface of the drill bit (1); the drill rod (2) is provided with a water pipeline (23) along the axial direction of the drill rod, and the drill bit (1) is provided with a cooling pipeline which is respectively connected with the drill bit chip groove (14) and the water pipeline (23).
2. A deep hole drill with a replaceable drill bit as set forth in claim 1, wherein: the drill bit (1) comprises a drill bit body (11) with a drill bit chip removal groove (14) on the outer side surface, a positioning block (12) which is arranged at the end part of the drill bit body (11) and connected with the drill rod (2), and a blade (15) which is arranged on the drill bit body (11).
3. A deep hole drill with a replaceable drill bit as set forth in claim 2, wherein: and a blade mounting groove is formed in the other end of the drill bit body (11), and the blade (15) is mounted in the blade mounting groove.
4. A deep hole drill with a replaceable drill bit as set forth in claim 2, wherein: the positioning block (12) comprises a positioning block main body (121) connected with the end part of the drill bit (1) and a connecting lug seat (122) arranged on one side of the positioning block main body (121) far away from the drill bit body (11); the connecting lug seat (122) is connected with the drill rod (2) through a screw.
5. A deep hole drill with a replaceable drill bit as set forth in claim 2, wherein: the outer side surface of the drill bit body (11) is provided with a guide groove, and a guide strip (13) is installed in the guide groove.
6. A deep hole drill with a replaceable drill bit according to any one of claims 2 to 5, characterized in that: and the drill rod (2) is provided with a positioning groove (22) matched with the positioning block (12).
7. The deep hole drill with a replaceable drill bit as set forth in claim 6, wherein: the positioning groove (22) comprises a groove (221) which is formed in one end, close to the drill bit (1), of the drill rod (2) and used for installing the positioning block main body (121), an ear seat groove (222) which is formed in the bottom of the groove (221) and communicated with the groove (221), and a threaded hole (24) which is formed in the side face of the drill rod (2) and communicated with the ear seat groove (222).
8. The deep hole drill with a replaceable drill bit as set forth in claim 7, wherein: the number of the positioning blocks (12) is at least two and is uniformly arranged, and the positioning grooves (22) are arranged in one-to-one correspondence with the positioning blocks (12).
9. A deep hole drill with a replaceable drill bit as set forth in claim 1, wherein: the cooling pipeline comprises a connecting pipeline (1211) which is arranged on the positioning block main body (121) and is connected with the water pipeline (23), and a cooling channel (16) which is communicated with the connecting pipeline (1211) and is arranged on the drill bit body (11).
10. A deep hole drill with a replaceable drill bit as set forth in claim 9, wherein: the drill bit is characterized in that a drainage groove (17) communicated with an outlet of the cooling channel (16) is formed in the end face of the drill bit body (11), and the other end of the drainage groove (17) is communicated with a drill bit chip removal groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170022.6U CN213104630U (en) | 2020-09-28 | 2020-09-28 | Deep hole drill with replaceable drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170022.6U CN213104630U (en) | 2020-09-28 | 2020-09-28 | Deep hole drill with replaceable drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213104630U true CN213104630U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022170022.6U Active CN213104630U (en) | 2020-09-28 | 2020-09-28 | Deep hole drill with replaceable drill bit |
Country Status (1)
| Country | Link |
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| CN (1) | CN213104630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664261A (en) * | 2021-09-02 | 2021-11-19 | 宁波阿卡龙切削工具有限公司 | Drilling rod convenient to replace and mount |
-
2020
- 2020-09-28 CN CN202022170022.6U patent/CN213104630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664261A (en) * | 2021-09-02 | 2021-11-19 | 宁波阿卡龙切削工具有限公司 | Drilling rod convenient to replace and mount |
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