CN112620737A - Deep hole processing device - Google Patents
Deep hole processing device Download PDFInfo
- Publication number
- CN112620737A CN112620737A CN202011427799.4A CN202011427799A CN112620737A CN 112620737 A CN112620737 A CN 112620737A CN 202011427799 A CN202011427799 A CN 202011427799A CN 112620737 A CN112620737 A CN 112620737A
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- CN
- China
- Prior art keywords
- cutter
- sleeve
- hole
- deep
- cooling hole
- 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
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- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 238000005553 drilling Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract description 16
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
Abstract
The invention provides a deep hole processing device which comprises a cutter and a stroke adjusting device, wherein the stroke adjusting device comprises a sleeve A, a stroke adjusting screw cylinder and a sleeve B, the upper end of the stroke adjusting screw cylinder is in threaded connection with one end of the sleeve A, the other end of the sleeve A is used for being clamped on a machine tool main shaft, the lower end of the stroke adjusting screw cylinder is in threaded connection with one end of the sleeve B, and the other end of the sleeve B is used for clamping the cutter. By adopting the technical scheme of the invention, the machining range of the cutter is increased through the range adjusting device, so that the cutting cutter can be deeply inserted into the inner cavity of the depth of the workpiece for cutting machining, the length of the range adjusting device can be adjusted by adjusting the matching length of the threads of the range adjusting screw cylinder and the sleeve A or the sleeve B, the application range of the cutting cutter is expanded, in addition, the cutter in the cutting machining process is effectively cooled by arranging the upper cooling hole and the lower cooling hole in the range adjusting device and arranging the inner cooling hole in the cutter, the influence of cutting heat is reduced, and the service life of the cutter is prolonged.
Description
Technical Field
The invention belongs to the technical field of mechanical manufacturing processes, and particularly relates to a deep hole machining device.
Background
At present, hole characteristic elements generally adopt a drilling method, however, when a surface to be machined of a workpiece is positioned in a deep inner cavity of the workpiece, a conventional drill cannot extend into the deep inner cavity, the conventional cutting method is difficult to apply, under the condition, an ultra-long drill with a corresponding length needs to be manufactured, and the ultra-long drill has the following defects in use: firstly, due to the limitation of the structural size of parts, the overall rigidity of the ultra-long drill bit is poor, the phenomena of deflection, tool vibration and tool hitting are easily caused due to the influence of cutting force during machining, the cutter drills to a certain depth, the torque is larger and larger, the cutter head vibrates along with the cutter, and the cutter is easy to break when the torque is larger than a certain value; secondly, as the hole is small and deep and the scrap removal channel is long, as the hole is drilled deeper and deeper, scrap iron is easy to accumulate at the bottom of the hole, so that thick scrap iron is accumulated at the bottom of the hole and cannot be removed easily; and thirdly, due to the accumulation of scrap iron, heat generated by cutting is not easy to remove, and the cutter and the part are easy to be damaged, so that the size precision of the hole of the part cannot meet the design requirement.
Disclosure of Invention
In order to solve the technical problem, the invention provides a deep hole machining device.
The invention is realized by the following technical scheme.
The invention provides a deep hole machining device which comprises a cutter and a stroke adjusting device, wherein the stroke adjusting device comprises a sleeve A, a stroke adjusting screw cylinder and a sleeve B, one end of the stroke adjusting screw cylinder is in threaded connection with one end of the sleeve A, the other end of the sleeve A is used for being clamped on a machine tool main shaft, the other end of the stroke adjusting screw cylinder is in threaded connection with one end of the sleeve B, and the other end of the sleeve B is used for clamping the cutter.
The tool is characterized in that an upper cooling hole is formed in the sleeve A, a lower cooling hole is formed in the sleeve B, an inner cooling hole is formed in the tool, when the sleeve A is connected with the sleeve B through the range adjusting screw barrel, the upper cooling hole is communicated with the lower cooling hole, and when the tool is connected with the range adjusting device, the inner cooling hole is communicated with the upper cooling hole or the lower cooling hole.
The cutter comprises a cutter bar, a cutter body and a cutter head, wherein the cutter bar, the cutter body and the cutter head are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head, and the internal cooling hole sequentially penetrates through the cutter bar, the cutter body and the cutter head.
The cutter arbor external diameter is greater than the tool bit external diameter, the cutter body is the cone shape.
The number of the blades is 2.
The tail end of the cutter head is provided with a conical cutter point, and the vertex angle of the conical cutter point is 135-140 degrees.
The cutter is a drill bit or a reamer.
The cutter is made of hard alloy.
The machine tool is a drilling machine.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the machining range of the cutting tool is increased by adding the range adjusting device, so that the cutting tool can be deeply inserted into the inner cavity of the depth of a workpiece for cutting machining, the length of the range adjusting device can be adjusted by adjusting the matching length of the threads of the range adjusting screw cylinder and the sleeve A or the sleeve B, various requirements are met, the application range of the cutting tool is expanded, in addition, the overall dimension of the range adjusting device is gradually reduced from large to small, the integral strength and rigidity of the cutting tool are increased, the phenomena of deflection, cutter vibration, cutter hitting and the like can be avoided as far as possible, in addition, a chip cutting groove is formed between any two adjacent cutting edges on the tool bit, so that scrap iron generated in the machining process can be conveniently discharged, the upper cooling hole and the lower cooling hole are arranged in the range adjusting device, and the inner cooling hole is arranged in the tool, so that the cutting tool in the machining process is fully cooled, the influence of cutting heat on the cutting tool can be reduced, and the service life of the cutting tool is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the range adjustment device of the present invention;
fig. 3 is a schematic view of the structure of the cutter of the invention.
In the figure: 1-cutter, 2-stroke adjusting device, 3-sleeve A, 4-stroke adjusting screw cylinder, 5-sleeve B, 6-cutter bar, 7-cutter body, 8-cutter head and 9-cutter point.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, 2 and 3, the invention provides a deep hole processing device, which comprises a cutter 1 and a stroke adjusting device 2, wherein the stroke adjusting device 2 comprises a sleeve A3, a stroke adjusting screw cylinder 4 and a sleeve B5, the upper end of the stroke adjusting screw cylinder 4 is in threaded connection with one end of the sleeve A3, the other end of the sleeve A3 is used for clamping on a machine tool spindle, the lower end of the stroke adjusting screw cylinder 4 is in threaded connection with one end of the sleeve B5, and the other end of the sleeve B5 is used for clamping the cutter 1.
In addition, an upper cold hole is formed in the sleeve A3, a lower cold hole is formed in the sleeve B5, an inner cold hole is formed in the cutter 1, when the sleeve A3 is connected with the sleeve B5 through the stroke adjusting screw cylinder 4, the upper cold hole is communicated with the lower cold hole, and when the cutter 1 is connected with the stroke adjusting device 2, the inner cold hole is communicated with the upper cold hole or the lower cold hole.
Further, the cutter 1 comprises a cutter bar 6, a cutter body 7 and a cutter head 8, the cutter bar 6, the cutter body 7 and the cutter head 8 are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head 8, and an inner cooling hole sequentially penetrates through the cutter bar 6, the cutter body 7 and the cutter head 8. Preferably, the outer diameter of the cutter bar 6 is larger than that of the cutter head 8, and the cutter body 7 is in a conical shape. The number of the blades is 2. The tail end of the tool bit 8 is provided with a cone-shaped tool nose 9, and the cone apex angle of the tool nose 9 is 135-140 degrees. The tool bit is sharp and wear-resistant.
Preferably, the tool 1 is a drill or a reamer. The material of the tool 1 is cemented carbide. The machine tool is a drilling machine.
By adopting the technical scheme of the invention, the machining range of the cutting tool is increased by adding the range adjusting device, so that the cutting tool can be deeply inserted into the inner cavity of the depth of a workpiece for cutting machining, the length of the range adjusting device can be adjusted by adjusting the matching length of the threads of the range adjusting screw cylinder and the sleeve A or the sleeve B, various requirements are met, the application range of the cutting tool is expanded, in addition, the overall dimension of the range adjusting device is gradually reduced from large to small, the integral strength and rigidity of the cutting tool are increased, the phenomena of deflection, cutter vibration, cutter hitting and the like can be avoided as far as possible, in addition, a chip cutting groove is formed between any two adjacent cutting edges on the tool bit, so that scrap iron generated in the machining process can be conveniently discharged, the upper cooling hole and the lower cooling hole are arranged in the range adjusting device, and the inner cooling hole is arranged in the tool, so that the cutting tool in the machining process is fully cooled, the influence of cutting heat on the cutting tool can be reduced, and the service life of the cutting tool is prolonged.
In addition, use this to use novel cutting tool that provides to add man-hour, at first prepare a drill bit and a reamer, earlier make the drill bit link together through trip gear and lathe main shaft, rotate through lathe main shaft drive drill bit, it waits to process the face to make the drill bit stretch into the work piece inner chamber through the trip gear, adopt the formula processing mode of stepping on to carry out drilling processing pore-forming to the work piece, it is in the same place with lathe main shaft through the trip gear to make the reamer again, it rotates through lathe main shaft drive reamer, it stretches into the aforesaid machine-shaping downthehole of work piece inner chamber to make the reamer through the trip gear, take out the burr on the downthehole wall through the reamer, once advance the tool machining take shape.
Claims (9)
1. A deep hole processing device is characterized in that: including cutter (1) and range adjustment device (2), range adjustment device (2) include sleeve A (3), range adjustment barrel (4) and sleeve B (5), range adjustment barrel (4) one end with the one end spiro union of sleeve A (3), the other end of sleeve A (3) is used for the clamping on the lathe main shaft, range adjustment barrel (4) other end with the one end spiro union of sleeve B (5), the other end of sleeve B (5) with be used for the clamping cutter (1).
2. A deep-hole drilling apparatus according to claim 1, wherein: an upper cooling hole is formed in the sleeve A (3), a lower cooling hole is formed in the sleeve B (5), an inner cooling hole is formed in the cutter (1), when the sleeve A (3) is connected with the sleeve B (5) through the stroke adjusting screw cylinder (4), the upper cooling hole is communicated with the lower cooling hole, and when the cutter (1) is connected with the stroke adjusting device (2), the inner cooling hole is communicated with the upper cooling hole or the lower cooling hole.
3. A deep-hole drilling apparatus according to claim 2, wherein: the cutter (1) comprises a cutter bar (6), a cutter body (7) and a cutter head (8), the cutter bar (6), the cutter body (7) and the cutter head (8) are sequentially connected end to end, a spiral cutting edge is arranged on the outer peripheral surface of the cutter head (8), and the inner cooling hole sequentially penetrates through the cutter bar (6), the cutter body (7) and the cutter head (8).
4. A deep-hole drilling apparatus according to claim 3, wherein: the outer diameter of the cutter bar (6) is larger than that of the cutter head (8), and the cutter body (7) is in a conical shape.
5. A deep-hole drilling apparatus according to claim 3, wherein: the number of the blades is 2.
6. A deep-hole drilling apparatus according to claim 3, wherein: the tail end of the cutter head (8) is provided with a conical cutter point (9), and the cone vertex angle of the cutter point (9) is 135-140 degrees.
7. A deep-hole drilling apparatus according to claim 1, wherein: the cutter (1) is a drill bit or a reamer.
8. A deep-hole drilling apparatus according to claim 1, wherein: the cutter (1) is made of hard alloy.
9. A deep-hole drilling apparatus according to claim 1, wherein: the machine tool is a drilling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427799.4A CN112620737A (en) | 2020-12-09 | 2020-12-09 | Deep hole processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427799.4A CN112620737A (en) | 2020-12-09 | 2020-12-09 | Deep hole processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112620737A true CN112620737A (en) | 2021-04-09 |
Family
ID=75308750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011427799.4A Pending CN112620737A (en) | 2020-12-09 | 2020-12-09 | Deep hole processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112620737A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4340328A (en) * | 1979-03-16 | 1982-07-20 | J. P. Tool, Ltd. | Rotary cutting tool and tool driver |
| CH645051A5 (en) * | 1980-05-12 | 1984-09-14 | Merz Ag | Adjustable machine reamer |
| CN2229320Y (en) * | 1995-07-12 | 1996-06-19 | 陈英杰 | Rotary structure of tool for drilling machine and angle design and arrangement of tool |
| CN102922227A (en) * | 2012-08-28 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing method for titanium alloy inclined plane step holes |
| CN103433538A (en) * | 2013-08-22 | 2013-12-11 | 济钢集团有限公司 | Drilling and boring integrated deep hole machining device |
| CN103817366A (en) * | 2014-03-14 | 2014-05-28 | 沈阳飞机工业（集团）有限公司 | Combined chambering cutter |
| CN204397009U (en) * | 2014-12-24 | 2015-06-17 | 上海大通自控设备有限公司 | Bore borer tool |
| CN204724902U (en) * | 2015-05-14 | 2015-10-28 | 西安驰达飞机零部件制造股份有限公司 | A kind of can the socket drill of locate mode |
| CN205096602U (en) * | 2015-11-03 | 2016-03-23 | 贵州黎阳国际制造有限公司 | A processing cutter for elongated hole |
| CN107225270A (en) * | 2017-07-14 | 2017-10-03 | 张家港市锐正精密工具有限公司 | A kind of adjustable-length drilling tool |
| CN207431347U (en) * | 2017-09-30 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of drill assembly of hot tapping machine |
| CN210254402U (en) * | 2019-07-09 | 2020-04-07 | 大连新田汽车零部件有限公司 | Automobile part production is with combination of being convenient for equipment bores |
| CN211387055U (en) * | 2019-12-23 | 2020-09-01 | 无锡尚赛精密机械有限公司 | Drill bit with adjustable depth |
| CN211464934U (en) * | 2019-10-15 | 2020-09-11 | 无锡金菲精密工具有限公司 | Multifunctional drilling and milling reamer |
| CN213410628U (en) * | 2020-09-24 | 2021-06-11 | 贵州黎阳国际制造有限公司 | Deep cavity elongated hole cutting processing utensil |
-
2020
- 2020-12-09 CN CN202011427799.4A patent/CN112620737A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4340328A (en) * | 1979-03-16 | 1982-07-20 | J. P. Tool, Ltd. | Rotary cutting tool and tool driver |
| CH645051A5 (en) * | 1980-05-12 | 1984-09-14 | Merz Ag | Adjustable machine reamer |
| CN2229320Y (en) * | 1995-07-12 | 1996-06-19 | 陈英杰 | Rotary structure of tool for drilling machine and angle design and arrangement of tool |
| CN102922227A (en) * | 2012-08-28 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing method for titanium alloy inclined plane step holes |
| CN103433538A (en) * | 2013-08-22 | 2013-12-11 | 济钢集团有限公司 | Drilling and boring integrated deep hole machining device |
| CN103817366A (en) * | 2014-03-14 | 2014-05-28 | 沈阳飞机工业（集团）有限公司 | Combined chambering cutter |
| CN204397009U (en) * | 2014-12-24 | 2015-06-17 | 上海大通自控设备有限公司 | Bore borer tool |
| CN204724902U (en) * | 2015-05-14 | 2015-10-28 | 西安驰达飞机零部件制造股份有限公司 | A kind of can the socket drill of locate mode |
| CN205096602U (en) * | 2015-11-03 | 2016-03-23 | 贵州黎阳国际制造有限公司 | A processing cutter for elongated hole |
| CN107225270A (en) * | 2017-07-14 | 2017-10-03 | 张家港市锐正精密工具有限公司 | A kind of adjustable-length drilling tool |
| CN207431347U (en) * | 2017-09-30 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of drill assembly of hot tapping machine |
| CN210254402U (en) * | 2019-07-09 | 2020-04-07 | 大连新田汽车零部件有限公司 | Automobile part production is with combination of being convenient for equipment bores |
| CN211464934U (en) * | 2019-10-15 | 2020-09-11 | 无锡金菲精密工具有限公司 | Multifunctional drilling and milling reamer |
| CN211387055U (en) * | 2019-12-23 | 2020-09-01 | 无锡尚赛精密机械有限公司 | Drill bit with adjustable depth |
| CN213410628U (en) * | 2020-09-24 | 2021-06-11 | 贵州黎阳国际制造有限公司 | Deep cavity elongated hole cutting processing utensil |
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