CN220700068U - Deep hole processing tool bit for optical fiber preform and equipment thereof - Google Patents
Deep hole processing tool bit for optical fiber preform and equipment thereof Download PDFInfo
- Publication number
- CN220700068U CN220700068U CN202322192012.6U CN202322192012U CN220700068U CN 220700068 U CN220700068 U CN 220700068U CN 202322192012 U CN202322192012 U CN 202322192012U CN 220700068 U CN220700068 U CN 220700068U
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- deep hole
- optical fiber
- tool bit
- diamond blade
- hole processing
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 67
- 239000010432 diamond Substances 0.000 claims abstract description 63
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 32
- 239000002173 cutting fluid Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000009713 electroplating Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 239000011159 matrix material Substances 0.000 abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000010453 quartz Substances 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model discloses a deep hole machining tool bit for an optical fiber preform and equipment thereof. The deep hole processing tool bit for the optical fiber preform comprises a cylindrical metal matrix and an electroplated diamond blade formed by electroplating on the head of the metal matrix, wherein a liquid outlet is formed in the electroplated diamond blade, and a hollow channel for containing cutting fluid and powder extends towards the inside of the metal matrix at the head end of the electroplated diamond blade. The deep hole processing cutter head for the optical fiber preform rod can realize deep hole drilling of the optical fiber preform rod, normal-temperature cutting fluid enters the cutter head position through the cutter rod from the cutting fluid inlet through the cutter rod transmission box in the whole processing process, lubrication and cooling are provided for the cutter head and the quartz glass rod, meanwhile, a flow carrier is provided for quartz powder in the deep hole processing process, powder accumulation is effectively avoided, and the optical fiber preform rod is not easy to break. Meanwhile, the deep hole machining tool bit of the optical fiber perform has long service life and short drilling time.
Description
Technical Field
The utility model relates to the technical field of drilling, in particular to a deep hole machining tool bit for an optical fiber perform and equipment thereof.
Background
With the development of optical fiber perform (quartz glass rod) cold working technology and the requirements of energy saving and consumption reduction policies, optical fiber perform cold working gradually becomes a mainstream trend, wherein optical fiber perform deep hole machining is a core link in the optical fiber perform cold working process.
The optical fiber perform (quartz glass rod) has high material hardness and high compressive strength, but has low tensile strength and bending strength, and in the deep hole processing process of the optical fiber perform, the optical fiber perform is easy to generate brittle fracture or internal crack phenomenon when being contacted with a deep hole tool bit, if the optical fiber perform is cracked in the processing process, a crack part needs to be cut off, the total length of the optical fiber perform can be reduced, raw materials are wasted, and particularly when the brittle fracture position is close to one half of the length of the rod, the whole optical fiber perform can be scrapped.
Disclosure of Invention
The utility model mainly aims to provide a deep hole machining tool bit for an optical fiber preform and equipment thereof, which aim to facilitate deep hole machining on the optical fiber preform.
In order to achieve the above purpose, the utility model provides an optical fiber perform deep hole processing tool bit, which comprises a cylindrical metal matrix and an electroplated diamond blade formed by electroplating on the head of the metal matrix, wherein a liquid outlet is formed on the electroplated diamond blade, and a hollow channel is extended towards the inside of the metal matrix at the head end of the electroplated diamond blade for accommodating cutting fluid and powder.
Preferably, when the diamond blade is used for a deep hole of a solid rod, the electroplated diamond blade is in a circular ring structure, and an included angle between the head end surface of the electroplated diamond blade and the side surface of the electroplated diamond blade is 120-150 degrees.
Preferably, a plurality of drain openings are formed in the direction from the head end to the tail end of the electroplated diamond blade, and the drain openings are uniformly arranged in the circumferential direction of the electroplated diamond blade.
Preferably, the inner diameter of the electroplated diamond blade is d1, the inner diameter of the metal matrix is d2, and the diameter of the metal matrix is 4mm < d2-d1 < 10mm.
Preferably, when used for deep holes of hollow bars, the outer side surface of the electroplated diamond blade comprises an outer cutting surface and an outer side plane, the outer cutting surface is perpendicular to the head end surface of the electroplated diamond blade, and an included angle between the outer cutting surface and the outer side plane is 150-180 degrees.
Preferably, the side surface of the metal matrix is also electroplated with silicon carbide to form an outer side plane of the electroplated silicon carbide blade; the inner side surface of the electroplated diamond blade comprises an inner cutting surface and an inner side plane, and the included angle between the inner cutting surface and the head end surface is an obtuse angle.
Preferably, a plurality of chip grooves are formed in the side face of the electroplated diamond blade, the length direction of each chip groove is flush with the axis direction of the electroplated diamond blade, and each chip groove penetrates through the length direction of the electroplated diamond blade.
Preferably, a plurality of chip removal holes are formed in the side face of the electroplated diamond blade, and the axes of the chip removal holes are perpendicular to the axis direction of the electroplated diamond blade.
Preferably, the metal matrix is provided with a plurality of chip removal holes, and the chip removal holes on the metal matrix are communicated with the chip removal holes on the electroplated diamond blade.
The utility model further provides optical fiber perform deep hole processing equipment, which comprises the optical fiber perform deep hole processing tool bit and a tool bar, wherein the optical fiber perform deep hole processing tool bit is connected with the tool bar through threads, and spanner clamping grooves are formed in a metal substrate of the optical fiber perform deep hole processing tool bit and the tool bar.
The deep hole processing cutter head for the optical fiber preform rod can realize deep hole drilling of the optical fiber preform rod, normal-temperature cutting fluid enters the cutter head position through the cutter rod from the cutting fluid inlet through the cutter rod transmission box in the whole processing process, lubrication and cooling are provided for the cutter head and the quartz glass rod, meanwhile, a flow carrier is provided for quartz powder in the deep hole processing process, powder accumulation is effectively avoided, and the optical fiber preform rod is not easy to break. Meanwhile, the deep hole machining tool bit of the optical fiber perform has long service life and short drilling time.
Drawings
FIG. 1 is a schematic view of the structure of a tool bit for deep hole processing of an optical fiber preform when the tool bit is used for deep holes of a solid rod;
FIG. 2 is a schematic cross-sectional view of the tool tip shown in FIG. 1;
FIG. 3 is a schematic structural view of the deep hole processing tool bit for optical fiber perform of the present utility model in the deep hole of solid rod;
FIG. 4 is a schematic structural view of the deep hole processing tool bit for the optical fiber perform of the utility model when the deep hole processing tool bit is used for hollow rod deep holes;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 4;
FIG. 6 is a schematic structural view of a tool bit for deep hole processing of an optical fiber preform according to the present utility model;
FIG. 7 is a schematic cross-sectional view of the structure of FIG. 6 in the direction B-B;
FIG. 8 is a schematic cross-sectional view of the structure of FIG. 6 in the direction C-C;
FIG. 9 is a schematic view of the deep hole processing apparatus for an optical fiber preform according to the present utility model when used for a deep hole of a solid rod;
FIG. 10 is a schematic cross-sectional view of the deep hole processing apparatus for an optical fiber preform shown in FIG. 9;
FIG. 11 is a schematic view of the deep hole processing apparatus for an optical fiber preform according to the present utility model when used for deep holes of hollow rods;
FIG. 12 is a schematic cross-sectional view of the deep hole processing apparatus for an optical fiber preform shown in FIG. 11.
In the figure, a 1-metal matrix, a 12-connecting thread, a 2-electroplated diamond blade, a 21-head end face, a 22-external cutting face, a 23-external plane, a 24-drain port, a 25-chip groove, a 26-chip removal hole, a 3-chuck, a 4-optical fiber preform, a 5-tool bit, a 6-cutting fluid, a 7-tool bar, a 71-bolt mounting hole, a 72-inner circle positioning, a 73-guiding chamfer, a 74-mounting seat, an 8-hollow channel and a 9-wrench clamping groove.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 8, the utility model provides an optical fiber perform deep hole processing tool bit, which comprises a cylindrical metal matrix 1 and an electroplated diamond blade 2 formed on the head of the metal matrix 1, wherein a liquid outlet is formed on the electroplated diamond blade 2, and a hollow channel for containing cutting fluid and powder extends towards the inside of the metal matrix 1 from the head end of the electroplated diamond blade 2.
In the deep hole processing process of the optical fiber preform, the optical fiber preform is clamped by two chucks 3, the optical fiber preform is driven by a headstock motor, a cutter bar 7 transmission case is connected with and drives the cutter bar 7 to drive the cutter bar 7 to rotate, the optical fiber preform and the cutter bar 7 rotate in opposite directions, meanwhile, the headstock drives the cutter bar 7 to advance towards the optical fiber preform, a cutter head is used for processing holes with required size on the preform, normal-temperature cutting fluid is introduced into the cutter head 7 transmission case from a cutting fluid inlet in the whole processing process, the cutter head is internally introduced into the cutter head through the cutter bar 7, lubrication and cooling are provided for the cutter head and the quartz glass rod, meanwhile, a flow carrier is provided for quartz powder in the deep hole processing process, and powder accumulation is avoided. The metal substrate 1 may be a carbon steel substrate.
The following description will be given separately for the solid bar deep hole and the hollow bar deep hole processing. When two different types of optical fiber preformed bars are processed in a deep hole, the same deep hole machine tool is used, but different deep hole tool bits are needed to be used
Referring to fig. 1 to 3, when used for a solid rod deep hole, the electroplated diamond blade 2 has a circular ring structure, and the included angle between the head end face 21 of the electroplated diamond blade 2 and the side face thereof is 120-150 degrees. In this embodiment, a plurality of drain holes 24 (i.e., the drain holes) are formed in the direction from the head end to the tail end of the electroplated diamond blade 2, and the drain holes 24 are uniformly arranged in the circumferential direction of the electroplated diamond blade 2. At this time, the hollow passage is cylindrical.
In this example, the inner diameter of the electroplated diamond blade 2 is d1, the inner diameter of the metal base 1 is d2, and the diameter of the metal base 1 is 4mm < d2-d1 < 10mm.
When the solid quartz rod deep hole is machined, the chip removal function is also considered at the drain port 24, the trepanning method is utilized for deep hole machining, only a circular ring-shaped channel is needed to be drilled in the middle of the solid rod, the inner rod core can still be kept for recycling, the machining amount of drilling is reduced, the machining time is short, the service life of the tool bit is long, and particularly after the tool bit is used for a period of time, the tool bit can be locally eccentrically worn, and at the moment, the tool bit can be recycled only by repairing the tool bit by using the tool bit repairing device. For the solid rod, a deep hole trepanning drilling method is adopted, a deep hole trepanning tool bit is used, and an external chip removal mode is adopted.
Referring to fig. 4 to 8, when used for deep holes of hollow bars, the outer side surface of the electroplated diamond blade 2 comprises an outer cutting surface 22 and an outer side plane 23, the outer cutting surface 22 is arranged perpendicular to the head end surface 21 of the electroplated diamond blade 2, and an included angle between the outer cutting surface 22 and the outer side plane 23 is 150-180 degrees. In this case, the side surface of the metal base 1 is also plated with the outer plane 23 of the diamond forming plated diamond blade 2 (the solid drill bit only plates the diamond at the head end of the metal base 1, and the side surface is not plated with the diamond).
Referring to fig. 7, the inner side surface of the electroplated diamond blade 2 comprises an inner cutting surface and an inner side plane, and the included angle between the inner cutting surface and the head end surface is an obtuse angle. The end face 21 of the electroplated diamond blade 2 is a plane, and the end face 21 is perpendicular to the outer plane 23 of the electroplated diamond blade 2. The external cutting surface 22 is guided and roughened, and the outer surface 23 is ground and transitioned.
In this embodiment, referring to fig. 6, a plurality of junk slots 25 are formed in the side surface of the electroplated diamond blade 2, the longitudinal direction of the junk slots 25 is flush with the axial direction of the electroplated diamond blade 2, and the junk slots 25 penetrate the longitudinal direction of the electroplated diamond blade 2.
Specifically, referring to fig. 7 and 8, a plurality of chip removal holes 26 are formed in the side surface of the electroplated diamond blade 2, and the axis of the chip removal holes 26 is perpendicular to the axis direction of the electroplated diamond blade 2. That is, the chip ejection holes 26 and the chip ejection grooves 25 together form a liquid ejection port. In this embodiment, three chip holes 26 are provided between two adjacent chip grooves 25, and the three chip holes 26 form a row of chip holes 26.
The chip groove 25 can meet the discharge requirement of large-particle quartz glass slag while providing a cutting fluid flow channel, and the inner wall of the quartz glass rod is smooth after being processed by a cutter head, so that the geometric dimension is good, the processing time of the next working procedure is reduced, and the product percent of pass is high.
In this embodiment, the metal substrate 1 is provided with a plurality of chip removing holes 26, and the chip removing holes 26 on the metal substrate 1 are communicated with the chip removing holes 26 on the electroplated diamond blade 2.
For the hollow rod, because the relative processing amount is small, the processing wall thickness is small, if the processing is performed by a nesting method, glass at a processing position is easy to crack, obvious appearance defects are particularly easy to cause on the inner surface of the processed quartz glass rod, inconvenience is caused for the next procedure, the time consumption and the side length of the next procedure are increased, and the material utilization rate is reduced. Therefore, for the hollow rod, a deep hole reaming method is adopted, a reaming tool bit is selected, and an external chip removal mode is adopted.
The solid cutter head can be processed only at the front end, is similar to a drill bit and is processed by a front end cutting edge, so that the processing efficiency is high, but powder generated by processing is large, and the heat is large. The bevel edge angle of the hollow tool bit is larger, the hollow tool bit can be processed along the original direction of the hollow pipe, the length of the electroplated diamond region is large, the side edge is provided with a grinding edge and a liquid inlet, the side edge can be ground, namely, the front end of the hollow tool bit can be processed, the circumferential direction of the hollow tool bit can be ground, and the hollow tool bit is suitable for a processing environment with small processing amount.
The deep hole processing tool bit of the optical fiber perform can realize deep hole drilling of the optical fiber perform, normal-temperature cutting fluid can be supplied to the tool bit and the quartz glass rod through the tool bit position from the cutting fluid inlet through the tool bit 7 transmission case of the tool bit 7 in the whole processing process, meanwhile, a flow carrier is provided for quartz powder in the deep hole processing process, powder accumulation is effectively avoided, and the optical fiber perform is not easy to break. Meanwhile, the optical fiber perform deep hole machining tool bit has long service life and short drilling time.
The utility model provides deep hole processing equipment for an optical fiber preform.
Referring to fig. 9 to 12, in the present preferred embodiment, an optical fiber perform deep hole processing apparatus includes an optical fiber perform deep hole processing tool bit and a tool bar 7, and the specific structure and beneficial effects of the optical fiber perform deep hole processing tool bit refer to the above embodiments and are not described herein again. The optical fiber perform deep hole processing tool bit is connected with the tool bar 7 through threads, and spanner clamping grooves 9 are formed in the metal substrate 1 of the optical fiber perform deep hole processing tool bit and the tool bar 7.
The cutter head is connected with the cutter bar 7 through threads, so that the cutter head is convenient to mount and dismount. When the tool bit is used for a period of time, the tool bit can be partially eccentrically worn, and the tool bit can be repeatedly used only by using the tool bit repairing device to repair the tool bit.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent structures modifications, direct or indirect application in other related arts, which are included in the scope of the present utility model.
Claims (10)
1. The utility model provides an optical fiber perform deep hole processing tool bit, its characterized in that includes the metal base member of cylinder and electroplates the electroplating carborundum sword that forms in metal base member head, has seted up the leakage fluid dram on the electroplating carborundum sword, and the inside extension of electroplating carborundum sword head end towards metal base member has hollow channel to be used for holding cutting fluid and powder.
2. The deep hole processing tool bit for optical fiber preform according to claim 1, wherein the electroplated diamond blade has a circular ring-shaped structure when used for the deep hole of the solid rod, and an included angle between a head end surface of the electroplated diamond blade and a side surface thereof is 120 ° to 150 °.
3. The deep hole processing tool bit for optical fiber preform according to claim 2, wherein a plurality of drain holes are formed in the direction from the head end to the tail end of the electroplated diamond blade, and the drain holes are uniformly arranged in the circumferential direction of the electroplated diamond blade.
4. The deep hole processing cutter head for optical fiber preforms according to claim 2 or 3, wherein said electroplated diamond blade has an inner diameter d1, the inner diameter of the metal substrate has a diameter d2, and 4mm < d2-d1 < 10mm.
5. The deep hole processing tool bit for optical fiber preform according to claim 1, wherein the outer side surface of the electroplated diamond blade comprises an outer cutting surface and an outer side plane when used for the deep hole of the hollow rod, the outer cutting surface is perpendicular to the head end surface of the electroplated diamond blade, and an included angle between the outer cutting surface and the outer side plane is 150 ° to 180 °.
6. The deep hole processing tool bit of claim 5, wherein the side surface of the metal substrate is also electroplated with an outer plane of a diamond forming electroplated diamond blade; the inner side surface of the electroplated diamond blade comprises an inner cutting surface and an inner side plane, and the included angle between the inner cutting surface and the head end surface is an obtuse angle.
7. The deep hole processing tool bit for optical fiber preforms according to claim 5 or 6, wherein a plurality of chip grooves are formed in the side face of the electroplated diamond blade, the length direction of the chip grooves is flush with the axis direction of the electroplated diamond blade, and the chip grooves penetrate through the length direction of the electroplated diamond blade.
8. The deep hole processing tool bit for optical fiber preform according to claim 5, wherein a plurality of chip removal holes are formed in the side surface of the electroplated diamond blade, and the axis of the chip removal holes is perpendicular to the axis direction of the electroplated diamond blade.
9. The deep hole processing tool bit of claim 8, wherein the metal substrate is provided with a plurality of chip removing holes, and the chip removing holes on the metal substrate are communicated with the chip removing holes on the electroplated diamond blade.
10. An optical fiber perform deep hole processing device, characterized by comprising the optical fiber perform deep hole processing tool bit according to any one of claims 1 to 9, and further comprising a tool bar, wherein the optical fiber perform deep hole processing tool bit is connected with the tool bar through threads, and spanner clamping grooves are formed in a metal substrate of the optical fiber perform deep hole processing tool bit and the tool bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192012.6U CN220700068U (en) | 2023-08-14 | 2023-08-14 | Deep hole processing tool bit for optical fiber preform and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192012.6U CN220700068U (en) | 2023-08-14 | 2023-08-14 | Deep hole processing tool bit for optical fiber preform and equipment thereof |
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| Publication Number | Publication Date |
|---|---|
| CN220700068U true CN220700068U (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322192012.6U Active CN220700068U (en) | 2023-08-14 | 2023-08-14 | Deep hole processing tool bit for optical fiber preform and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220700068U (en) |
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- 2023-08-14 CN CN202322192012.6U patent/CN220700068U/en active Active
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