CN211680166U - Straight fluted drill for high-speed processing of cast iron - Google Patents
Straight fluted drill for high-speed processing of cast iron Download PDFInfo
- Publication number
- CN211680166U CN211680166U CN202020255479.4U CN202020255479U CN211680166U CN 211680166 U CN211680166 U CN 211680166U CN 202020255479 U CN202020255479 U CN 202020255479U CN 211680166 U CN211680166 U CN 211680166U
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- straight
- groove
- drill bit
- connecting plate
- fixed
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- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005520 cutting process 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
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a straight flute drill for high-speed processing of cast iron, which comprises a straight flute drill bit and a transmission sleeve detachably connected with the straight flute drill bit, wherein the straight flute drill bit comprises three main blades and three chip-containing straight flutes, and the rear cutter face of the main blades is provided with cooling water holes; the flute drill bit is kept away from the one end of main sword is fixed mutually with the connecting plate, the connecting plate deviates from one side of flute drill bit is provided with the connecting portion of cylindricality, the connecting plate with transmission sleeve sealing connection, the beneficial effects of the utility model are that: the straight flute drill bit and the transmission sleeve are fixed simply and are convenient to disassemble; the connecting plate passes through sealing washer sealing connection with the transmission sleeve pipe, and first pipeline is sealed through edge of a knife and recess with the second pipeline junction, avoids cooling water contact helicitic texture, extension device life-span.
Description
Technical Field
The utility model relates to a mechanical drill field, in particular to straight fluted drill is used in high-speed processing of cast iron.
Background
The straight flute drill is a drill bit with straight flute as chip guide groove, and is usually used for cast iron and other materials which are easy to automatically break chips in the drilling process. In order to adapt to different production requirements, a plurality of drill bits need to be equipped, and the installation and fixation of different drill bits are complicated. In order to improve the production efficiency, it is necessary to use a high-speed machining drill. In the prior art, in the process of high-speed drilling, a large amount of cooling water is needed to cool the drill bit, but the joint of the detachable drill bit is in contact with water to accelerate aging.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a straight fluted drill is used in high-speed processing of cast iron for solve prior art, detachable drill bit installation fixed step is loaded down with trivial details, and the cooling water is the technical problem of the drill bit junction that easily corrodes, the technical scheme of the utility model is implemented like this:
the utility model provides a high-speed processing of cast iron is with straight flute drill, including the straight flute drill bit and with the transmission sleeve pipe of being connected can be dismantled to the straight flute drill bit, its characterized in that: the straight flute drill comprises three main blades and three chip-containing straight flutes, and a cooling water hole is formed in the rear cutter face of each main blade; one end, far away from the main blade, of the straight-flute drill bit is fixed with a connecting plate, one side, far away from the straight-flute drill bit, of the connecting plate is provided with a cylindrical connecting part, the connecting part is provided with a first external thread, the connecting plate is connected with the transmission sleeve in a sealing mode, and a first pipeline communicated with the interior of the cooling water hole is arranged inside the connecting part; a through hole is formed in the transmission sleeve, a first internal thread is formed in the through hole, and the straight-groove drill bit is fixed with the transmission sleeve through the first external thread and the first internal thread; the transmission sleeve pipe is kept away from the one end of connecting plate is provided with the locating part, the locating part is used for right connecting portion carry on spacingly, the locating part includes stiff end and cylindricality end, the stiff end with the transmission sleeve pipe is fixed mutually, connecting portion are kept away from the one end of connecting plate be provided with the cylindricality end matches the fixed slot mutually, the cylindricality end with the fixed slot is sealed fixed, the locating part be provided with the second pipeline that first pipeline is linked together.
Preferably, a second internal thread is arranged in the fixing groove, a second external thread is arranged at the cylindrical end, and the cylindrical end is fixed with the fixing groove through the second external thread and the second internal thread; the bottom of the fixing groove is provided with an annular groove, the cylindrical end is provided with a knife edge matched with the groove, and the cylindrical end is connected with the fixing groove in a sealing mode through the groove and the knife edge.
Preferably, the transmission sleeve is far away from one end of the connecting plate is provided with a clamping groove, and the fixed end is fixed with the clamping groove through a bolt.
Preferably, one side of the connecting plate, which is close to the transmission sleeve, is provided with an annular sealing end, the transmission sleeve is provided with a sealing groove matched with the sealing end, and the sealing end is connected with the sealing groove in a sealing manner through a sealing ring.
Preferably, the length of the connecting part is greater than the sum of the depth of the first internal thread, the depth of the second internal thread and the depth of the groove.
Preferably, the first external thread has the same direction of rotation as the second external thread.
Implement the utility model has the advantages that:
1. the straight flute drill bit and the transmission sleeve are fixed simply and are convenient to disassemble;
2. the connecting plate passes through sealing washer sealing connection with the transmission sleeve pipe, and first pipeline is sealed through edge of a knife and recess with the second pipeline junction, avoids cooling water contact helicitic texture, extension device life-span.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a straight fluted drill according to an embodiment of the present invention;
FIG. 2 is a top view of a straight fluted drill according to an embodiment of the present invention;
FIG. 3 is a half-sectional view of a straight fluted drill according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a straight fluted drill according to an embodiment of the present invention;
FIG. 5 is a half-sectional view of a straight fluted drill according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a drive sleeve according to an embodiment of the present invention;
fig. 7 is a schematic view of a position limiting member according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a position limiter according to an embodiment of the present invention;
fig. 9 is a sectional view of a specific embodiment of the present invention.
In the above drawings, the reference numerals denote:
1-straight flute drill bit; 11-a main edge; 12-chip containing straight grooves; 13-cooling water holes; 14-a first conduit; 15-a secondary edge; 2-a drive sleeve; 21-a through hole; 22-a card slot; 23-a seal groove; 24-a first internal thread; 3-connecting the plates; 31-sealed end; 4-a connecting part; 41-a first external thread; 42-fixed groove; 43-a second internal thread; 44-a groove; 5-a limiting part; 51-a fixed end; 52-cylindrical end; 53-second external thread; 54-knife edge; 55-a second conduit; 6-sealing ring.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The utility model provides a straight fluted drill is used in high-speed processing of cast iron, the utility model provides an embodiment.
As shown in fig. 1 and 2, the straight flute drill bit 1 includes three main blades 11 for cutting, auxiliary blades 15 correspondingly arranged and a straight flute 12 for containing chips for removing chips, cooling water holes 13 for cooling water to flow out are arranged on the rear blade surface of the main blades 11, the cooling water flows out from the cooling water holes 13, auxiliary chips are discharged along the straight flute 12 for containing chips, and the drill bit is cooled simultaneously to prevent the chips from sticking to the drill bit.
As shown in fig. 3, the straight-flute drill bit 1 is fixed to the transmission casing 2 through the connecting portion 4, and the limiting member 5 is used for limiting the connecting portion 4, so that the straight-flute drill bit 1 is prevented from coming off the transmission casing 2 in the working process. The transmission sleeve 2 is fixed with the output end of an external motor, and the external motor rotates the straight flute drill bit 1 through the transmission sleeve 2. One side of the connecting plate 3 close to the transmission sleeve 2 is provided with a sealing end 31, the transmission sleeve 2 is correspondingly provided with a sealing groove 23, and a sealing ring 6 is arranged in the sealing groove 23, so that the connecting plate 3 and the transmission sleeve 2 are sealed through the sealing ring 6, the splashed cooling water is prevented from permeating into the transmission sleeve 2 through a gap between the connecting plate 3 and the transmission sleeve 2, the structure in the transmission sleeve 2 is prevented from rusting, and the service life of the drill bit is prolonged.
As shown in fig. 4-6, the connecting portion 4 is generally cylindrical, and the top of the connecting portion 4 is provided with a first external thread 41 for fixing with the transmission casing 2. The transmission sleeve 2 is internally provided with a through hole 21 with the shape matched with that of the connecting part 4, the upper end of the through hole 21 is provided with a first internal thread, and the inner diameter of the lower end of the through hole 21 is the same as the outer diameter of the lower end of the connecting part 4. When the connecting part 4 is completely screwed into the through hole 21, the sealing end 31 abuts against the sealing groove 23 through the sealing ring 6, so that the straight-groove drill bit 1 and the transmission casing 2 are fixed, and meanwhile, the sealing plate is connected with the transmission casing 2 in a sealing mode.
As shown in fig. 3, 5, 7, and 8, a cylindrical fixing groove 42 is formed in the bottom of the connecting portion 4, and a second internal thread 43 for fixing to the stopper 5 is provided in the fixing groove 42. The cylindrical end 52 of the limiting member 5 is shaped to match the fixing groove 42, the cylindrical end 52 and the second internal thread 43 are correspondingly provided with a second external thread 53, and the limiting member 5 is screwed into the fixing groove 42 from the bottom of the through hole 21 to be fixed thereto. The top of the cylindrical end 52 is provided with a ring of knife edges 54 and a ring of annular grooves 44 are correspondingly provided in the retaining groove 42. When the cylindrical end 52 is completely screwed into the fixing groove 42, the knife edge 54 presses the groove 44 to realize sealing, the second pipeline 55 in the cylindrical end 52 is communicated with the first pipeline 14, and cooling water can enter the first pipeline 14 through the second pipeline 55 and flow out from the cooling water hole 13. The knife edge 54 is sealed with the groove 44, so that cooling water can be prevented from seeping out from the joint of the first pipeline 14 and the second pipeline 55, the second internal thread 43 and the first internal thread are prevented from contacting with the cooling water to rust, and the service life of the cooling water is prolonged. Meanwhile, the disc-shaped fixed end 51 is clamped into the clamping groove 22 at the bottom of the transmission sleeve 2 and is fixed with the transmission sleeve 2 through a bolt, so that the stability of the connecting part 4 and the straight flute drill bit 1 is improved.
As shown in fig. 9, the whole of the transmission casing 2 is approximately cylindrical, and parallel clamping portions are arranged at two sides of the transmission casing for facilitating connection with the output end of the motor.
In the process of assembling the straight fluted drill, firstly, a sealing ring 6 is placed in a sealing groove 23, a connecting part 4 of the straight fluted drill 1 is screwed into the through hole 21 from the upper end of the transmission sleeve 2, and a sealing end 31 is abutted against the sealing groove 23 through the sealing ring 6; then, the limiting member 5 is screwed in from the bottom of the transmission casing 2, so that the knife edge 54 on the cylindrical portion presses the groove 44, and the fixed end 51 is fixed with the transmission casing 2 through a bolt, thereby completing the assembly of the straight fluted drill. When the drill bit needs to be replaced, the steps are reversely carried out to disassemble the straight-flute drill bit 1, and other required drill bits can be replaced.
The straight flute drill bit 1 and the transmission sleeve 2 are fixed simply and are convenient to disassemble;
the connecting plate 3 is connected with the transmission sleeve 2 in a sealing mode through the sealing ring 6, and the joint of the first pipeline 14 and the second pipeline 55 is sealed through the knife edge 54 and the groove 44, so that cooling water is prevented from contacting a threaded structure, and the service life of the device is prolonged.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a high-speed processing of cast iron is with straight flute drill, including straight flute drill bit (1) and with straight flute drill bit (1) can dismantle transmission sleeve (2) of being connected, its characterized in that:
the straight flute drill bit (1) comprises three main blades (11) and three chip-containing straight flutes (12), and a rear cutter face of each main blade (11) is provided with a cooling water hole (13);
one end, far away from the main blade (11), of the straight-groove drill bit (1) is fixed with a connecting plate (3), one side, far away from the straight-groove drill bit (1), of the connecting plate (3) is provided with a cylindrical connecting part (4), the connecting part (4) is provided with a first external thread (41), the connecting plate (3) is connected with the transmission sleeve (2) in a sealing mode, and a first pipeline (14) communicated with the inside of the cooling water hole (13) is arranged inside the connecting part (4);
a through hole (21) is formed in the transmission sleeve (2), a first internal thread (24) is formed in the through hole (21), and the straight-groove drill bit (1) is fixed with the transmission sleeve (2) through the first external thread (41) and the first internal thread (24);
keep away from drive sleeve pipe (2) the one end of connecting plate (3) is provided with locating part (5), locating part (5) are used for right connecting portion (4) carry on spacingly, locating part (5) are including stiff end (51) and cylindricality end (52), stiff end (51) with drive sleeve pipe (2) are fixed mutually, connecting portion (4) are kept away from the one end of connecting plate (3) be provided with cylindricality end (52) assorted fixed slot (42), cylindricality end (52) with fixed slot (42) are sealed fixed, locating part (5) be provided with second pipeline (55) that first pipeline (14) are linked together.
2. The straight fluted drill for high-speed processing of cast iron according to claim 1, wherein: a second internal thread (43) is arranged in the fixing groove (42), a second external thread (53) is arranged at the cylindrical end (52), and the cylindrical end (52) is fixed with the fixing groove (42) through the second external thread (53) and the second internal thread (43);
the bottom of the fixing groove (42) is provided with an annular groove (44), the cylindrical end (52) is provided with a knife edge (54) matched with the groove (44), and the cylindrical end (52) is connected with the fixing groove (42) in a sealing mode through the groove (44) and the knife edge (54).
3. The straight fluted drill for high-speed processing of cast iron according to claim 2, wherein: the transmission sleeve (2) is far away from one end of the connecting plate (3) and is provided with a clamping groove (22), and the fixed end (51) is fixed with the clamping groove (22) through a bolt.
4. The straight fluted drill for high-speed processing of cast iron according to claim 1, wherein: one side that connecting plate (3) are close to drive sleeve (2) is provided with annular sealed end (31), drive sleeve (2) be provided with sealed end (31) assorted seal groove (23), sealed end (31) with seal groove (23) are through sealing washer (6) sealing connection.
5. The straight fluted drill for high-speed processing of cast iron according to claim 2, wherein: the length of the connecting part (4) is larger than the sum of the depth of the first internal thread (24), the depth of the second internal thread (43) and the depth of the groove (44).
6. The straight fluted drill for high-speed processing of cast iron according to claim 2, wherein: the first external thread (41) has the same direction of rotation as the second external thread (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020255479.4U CN211680166U (en) | 2020-03-05 | 2020-03-05 | Straight fluted drill for high-speed processing of cast iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020255479.4U CN211680166U (en) | 2020-03-05 | 2020-03-05 | Straight fluted drill for high-speed processing of cast iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211680166U true CN211680166U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020255479.4U Expired - Fee Related CN211680166U (en) | 2020-03-05 | 2020-03-05 | Straight fluted drill for high-speed processing of cast iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211680166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11077975B1 (en) * | 2020-04-08 | 2021-08-03 | Barry Shipman | Bundle tie tool |
-
2020
- 2020-03-05 CN CN202020255479.4U patent/CN211680166U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11077975B1 (en) * | 2020-04-08 | 2021-08-03 | Barry Shipman | Bundle tie tool |
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| 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: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |