CN111468764A - Device for processing long hole - Google Patents
Device for processing long hole Download PDFInfo
- Publication number
- CN111468764A CN111468764A CN202010409186.1A CN202010409186A CN111468764A CN 111468764 A CN111468764 A CN 111468764A CN 202010409186 A CN202010409186 A CN 202010409186A CN 111468764 A CN111468764 A CN 111468764A
- Authority
- CN
- China
- Prior art keywords
- drill
- deep hole
- indexable
- chip removal
- drill bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/34—Arrangements for removing chips out of the holes made; Chip- breaking arrangements attached to the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
- B23B51/126—Tool elongating devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The embodiment of the invention provides a device for processing a long hole, which comprises: a drill bit, a drill rod and a forming blade; the drill bit includes: an inner chip removal plate drill bit and an indexable deep hole drill; the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads; when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade. The device ensures the requirements of the processing size and the roughness of the part and solves the deep hole processing problems of three bottleneck parts.
Description
Technical Field
The invention relates to a device for processing a long hole, in particular to a cutter bar design of an ultralong forming deep hole processing cutter.
Background
At present, in the process of processing and finishing two types of products, a plurality of ultra-long deep hole parts which are extremely difficult to process appear, so that the processing quality and the delivery completion of the products are extremely difficult, and a great obstacle is generated. In the prior art, a common cutter bar can only process parts with the length-diameter ratio of 10 times, and the requirement of deep hole processing cannot be met. Therefore, the cutter bar design of the tool for machining the overlong deep hole is needed, the parts with the length-diameter ratio of 10 times to 20 times and the diameter of more than 20 times can be machined, the three parts can be machined only by simply replacing tools, and the operation is convenient and simple.
Disclosure of Invention
The embodiment of the invention provides a device for processing a long hole, which can ensure the processing size requirement and the roughness requirement of parts, solve the deep hole processing difficulty of three bottleneck parts, process the parts with the length-diameter ratio of 10-20 times and more than 20 times, and is convenient and simple to operate.
To achieve the above object, the present invention provides an apparatus for processing a long hole, the apparatus comprising: a drill bit, a drill rod and a forming blade;
the drill bit includes: an inner chip removal plate drill bit and an indexable deep hole drill;
the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads;
when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade.
Alternatively to this, the first and second parts may,
the drill rod includes: two 33 drill rods with a length of 3m or 51 drill rods with a length of 3m, wherein the number of the 51 drill rods with a length of 3m is two.
Alternatively to this, the first and second parts may,
the indexable deep hole drill comprises a four-head deep hole drill 40 × 95 or a four-head deep hole drill 56 × 107 or a four-head deep hole drill 60 × 107.
Alternatively to this, the first and second parts may,
an apparatus for processing a long hole includes: a conversion sleeve;
the conversion sleeve is used for connecting a drill rod with an indexable deep hole drill bit or an inner chip removal plate drill bit for clamping a formed blade.
Alternatively to this, the first and second parts may,
the conversion sleeve comprises: 40 shift collar or 56 shift collar or 60 shift collar.
Alternatively to this, the first and second parts may,
the indexable deep hole drill includes: selecting and matching blades;
the selective matching blade is positioned on one side of the indexable deep hole drill.
Alternatively to this, the first and second parts may,
the number of the matching blades is three.
Alternatively to this, the first and second parts may,
the indexable deep hole drill includes: a special guide block;
the special guide blocks are two and are positioned on the opposite sides of the matching blades.
The technical scheme has the following beneficial effects: the invention adopts a device for processing a long hole, wherein the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads; when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade. Through the set of device, the processing size requirement and the roughness requirement of parts are guaranteed, the deep hole processing difficulty of three bottleneck parts is solved, the processing length-diameter ratio is from 10 times footpath to 20 times footpath, and the parts of being greater than 20 times footpath can be processed, the processing of three parts can be completed only by simple tool replacement, and the operation is convenient and simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments 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 schematic view of an inner shear-pad drill bit;
FIG. 2 is a schematic view of a forming blade;
FIG. 3 is a schematic view of an indexable deep hole drill;
FIG. 4 is a schematic view of a drill bit and drill rod transition piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the prior art, a plurality of ultra-long deep hole parts which are extremely difficult to machine appear, so that great difficulty is caused to the machining quality and delivery completion of products, and great obstruction is generated. The common cutter bar can only process parts with the length-diameter ratio of 10 times, and the requirement of deep hole processing cannot be met. Therefore, a device for processing long holes is needed, which can process parts with the length-diameter ratio of 10 times to 20 times and the diameter of more than 20 times, and has convenient and simple operation.
FIG. 1 is a schematic view of an inner flight bit, as shown:
fig. 2 is a schematic view of a forming blade, as shown:
when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade and can be used for machining inner holes with any diameters of chamfers and parts.
Fig. 2 is a schematic view of a forming blade, as shown:
fig. 3 is a schematic view of an indexable deep hole drill, as shown:
alternatively to this, the first and second parts may,
the indexable deep hole drill includes: selecting and matching blades;
the selective matching blade is positioned on one side of the indexable deep hole drill.
Alternatively to this, the first and second parts may,
the number of the matching blades is three.
Alternatively to this, the first and second parts may,
the indexable deep hole drill includes: a special guide block;
the special guide blocks are two and are positioned on the opposite sides of the matching blades.
FIG. 4 is a schematic view of a drill bit and drill rod transition piece, as shown, including: a drill bit, a drill rod and a forming blade;
the drill bit includes: an inner chip removal plate drill bit and an indexable deep hole drill;
the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads;
when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade.
Alternatively to this, the first and second parts may,
an apparatus for processing a long hole includes: a conversion sleeve;
the conversion sleeve is used for connecting a drill rod with an indexable deep hole drill bit or an inner chip removal plate drill bit for clamping a formed blade.
Alternatively to this, the first and second parts may,
the conversion sleeve comprises: 40 shift collar or 56 shift collar or 60 shift collar.
A device for processing a long hole is specially designed for three deep hole parts, and a set of operation that a special tool processes corresponding to a special part is completed through selection and fixed connection of a drill bit, a drill rod and a forming blade.
For 40Cr material, the main size of the part is 54 external diameter 54 × 710, the size of the inner hole step is 40 × 598, 22 × 30, the chamfer angle is 45 degrees and the fillet requires R5, R3, the roughness requires Ra6.3, the processing method comprises the steps of preparing a four-head deep hole drill 40 × 95, installing three optional blades on one side of the four-head deep hole drill and installing two special guide blocks on the opposite side of the optional blades, connecting the four-head deep hole drill 40 × 95 with a diameter 33 drill rod with the length of 3m through a 40 conversion sleeve by screw thread, clamping and fixing the drill rod by a deep hole drill machine tool, positioning and abutting the other end of a small-end three-jaw clamping part with a conical disc by a conical surface, selecting a proper rotating speed and feeding on the deep hole drill machine tool, processing the inner hole with the diameter of 40, replacing a cutter, connecting the drill rod with the drill rod by screw thread, and clamping and forming the blade by the inner chip plate drill rod through the conversion sleeve, processing the inner hole chamfer angle 22, 45 degrees chamfer angle and the R5, R3 and the fillet;
for 40Cr materials, the main size of the part is 72 ×, the shape of an inner hole is 60 ×,58 ×, the root of the part is R5 round angle, and the roughness of the part requires Ra3.2.
For a part made of 05C17Ni4Cu4Nb material and having the main size of 80x1725 and the requirement on the inner hole of 56x1425 and Ra6.3 and the requirement on the coaxiality of 0.04mm, the processing method comprises the steps of preparing a four-head deep hole drill 40 × 95, installing three selecting blades on one side of the four-head deep hole drill and installing two special guide blocks on the opposite side of the selecting blades, connecting the four-head deep hole drill 56 × 107 with a drill rod 51 with the length of 3m through a 56 conversion sleeve, clamping and fixing the drill rod by a deep hole drill machine tool, positioning and abutting the other end of a small-end three-jaw clamping part with a conical disc through a conical surface, selecting proper rotating speed and feeding on the deep hole drill machine tool, processing the inner hole with the diameter of 56, replacing a cutter, connecting the drill rod with the inner chip removal plate drill in a threaded manner, clamping the 120-degree forming blade by the inner chip removal plate drill, and processing the.
The technical scheme has the following beneficial effects: the invention adopts a device for processing a long hole, wherein the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads; when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade. Through the set of device, the processing size requirement and the roughness requirement of parts are guaranteed, the deep hole processing difficulty of three bottleneck parts is solved, the processing length-diameter ratio is from 10 times footpath to 20 times footpath, and the parts of being greater than 20 times footpath can be processed, the processing of three parts can be completed only by simple tool replacement, and the operation is convenient and simple.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A device for processing a long hole is characterized in that;
the device includes: a drill bit, a drill rod and a forming blade;
the drill bit includes: an inner chip removal plate drill bit and an indexable deep hole drill;
the drill rod is detachably connected with the indexable deep hole drill or the inner chip removal plate drill through threads;
when the drill rod is in threaded connection with the inner chip removal plate drill bit, the inner chip removal plate drill bit clamps the forming blade.
2. The apparatus of claim 1, wherein:
the drill rod includes: two 33 drill rods with a length of 3m or 51 drill rods with a length of 3m, wherein the number of the 51 drill rods with a length of 3m is two.
3. The apparatus of claim 1, wherein:
the indexable deep hole drill comprises a four-head deep hole drill 40 × 95 or a four-head deep hole drill 56 × 107 or a four-head deep hole drill 60 × 107.
4. The apparatus of claim 1, wherein: the method comprises the following steps: a conversion sleeve;
the conversion sleeve is used for connecting a drill rod with an indexable deep hole drill bit or an inner chip removal plate drill bit for clamping a formed blade.
5. The apparatus of claim 4, wherein:
the conversion sleeve comprises: 40 shift collar or 56 shift collar or 60 shift collar.
6. The apparatus of claim 1, wherein: the indexable deep hole drill includes: selecting and matching blades;
the selective matching blade is positioned on one side of the indexable deep hole drill.
7. The apparatus of claim 6, wherein:
the number of the matching blades is three.
8. The apparatus of claim 6, wherein: the indexable deep hole drill includes: a special guide block;
the special guide blocks are two and are positioned on the opposite sides of the matching blades.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010409186.1A CN111468764A (en) | 2020-05-14 | 2020-05-14 | Device for processing long hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010409186.1A CN111468764A (en) | 2020-05-14 | 2020-05-14 | Device for processing long hole |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111468764A true CN111468764A (en) | 2020-07-31 |
Family
ID=71760073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010409186.1A Pending CN111468764A (en) | 2020-05-14 | 2020-05-14 | Device for processing long hole |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111468764A (en) |
-
2020
- 2020-05-14 CN CN202010409186.1A patent/CN111468764A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104029051B (en) | The processing method in axial workpiece uniform rake angle hole | |
CN104308213A (en) | Method for machining counter bore in reverse side | |
CN203141109U (en) | Special tool for processing spindle radial hole | |
CN104191185A (en) | Machining technology of through-hole-free minitype turbine | |
CN111468764A (en) | Device for processing long hole | |
CN108098083A (en) | Combined tap and drill | |
CN204449372U (en) | A kind of adjustable fixer of numerical control machine tool cutting cutter | |
CN205600371U (en) | A disjunctor handle of a knife that is used for grinding, mills, high -speed high accuracy of polishing and wire drawing | |
CN212217171U (en) | Device for processing long hole | |
CN103978256A (en) | Method and tool for machining arc-shaped groove in batches by using lathe | |
CN104057161A (en) | Internal thread tapper and tapping method thereof | |
CN104647064A (en) | Slender shaft slant hole drilling jig | |
CN211163055U (en) | Lathe fixture for ensuring machining of hard tube type slender shaft parts | |
CN2923155Y (en) | Drilling-propelling complete machine | |
CN207941992U (en) | A kind of dismountable boring tool of band double end knife bar | |
CN202239822U (en) | Positioner for taper drill | |
CN105397166A (en) | Dovetail-shaped reverse chamfer cutter | |
CN104801778A (en) | Chuck-fixed elastic diameter-adjusting chamfering device | |
CN220372392U (en) | NPT thread milling cutter | |
CN207431831U (en) | A kind of S type collets of row's knife numerically controlled lathe | |
CN104801773B (en) | Plus/minus thread taper clamp type chamferer | |
CN210254396U (en) | Positioning tool for drilling inclined hole on shaft rod | |
CN101254547A (en) | Method for processing taper shank drill into straight shank drill | |
CN206588386U (en) | A kind of quasi- core bore target drill of processing precise metalwork | |
CN208496445U (en) | A kind of fixture for the installation drill bit on knife rest |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |