CN115519145A - Deep blind hole boring machining tool capable of automatically removing chips and chip removal method - Google Patents
Deep blind hole boring machining tool capable of automatically removing chips and chip removal method Download PDFInfo
- Publication number
- CN115519145A CN115519145A CN202211300098.3A CN202211300098A CN115519145A CN 115519145 A CN115519145 A CN 115519145A CN 202211300098 A CN202211300098 A CN 202211300098A CN 115519145 A CN115519145 A CN 115519145A
- Authority
- CN
- China
- Prior art keywords
- blade
- chip removal
- hole
- blind hole
- deep blind
- 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
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
-
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Abstract
The invention discloses an automatic chip removal deep blind hole boring machining tool and a chip removal method, wherein the machining tool comprises a tool bar and a blade, and the tool bar comprises a working part and a clamping handle part; the front end of the working part is provided with a blade mounting groove, and the side surface of the blade mounting groove is provided with a water outlet hole positioned on the front end surface of the working part; the blade mounting groove is connected with a blade through a screw. The chip removal method is characterized in that when a deep blind hole boring processing cutter is used for cutting, the cutter blade and a workpiece have a tendency of backward movement in the cutting process; the cooling water flows out through the water outlet hole, acts on the hole bottom under the action of pressure, rebounds through the hole bottom and flows out of the plunger hole along the hole wall, chips are taken away from the plunger hole in the process, chip removal is completed, in the whole cutting process, the chips only bear acting force moving towards the hole opening, and the chips are discharged smoothly. The invention has the characteristics of convenient chip removal and cutter rigidity improvement.
Description
Technical Field
The invention relates to a plunger hole machining tool, in particular to an automatic chip removal deep blind hole boring machining tool and a chip removal method.
Background
The plunger hydraulic pump is an important device in a hydraulic system, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions requiring regulation of high pressure, large flow and flow, such as ships, aircrafts and the like. Particularly, in the application of an aircraft, in order to reduce the overall weight and strength of the pump and ensure the working performance of the pump, a core rotor part in the plunger pump adopts a double-alloy material structure and is formed by welding alloy steel and copper alloy. However, in the machining process of the alloy steel base part before welding, particularly in the machining process of a plunger hole, reaming or boring machining is often used, but a large amount of chips are accumulated at the bottom of the hole during machining, and the chips are squeezed by a cutter bar to form cake-shaped chips, so that a plurality of destructive factors are brought to machining.
Specifically, the reamer is used for machining, machining efficiency is low, chip removal is difficult, the cutter is fast in abrasion, the light intensity is unstable, the cutter is high in cost, a large amount of chips are extruded at the bottom of a hole to form a cake shape, and the requirement of the top edge of the bottom of the hole of a product cannot be met due to the fact that the reamer needs to be provided with a guide chamfer.
The boring cutter is used for machining, although the machining efficiency is high, the size is adjustable, and the use cost of the cutter is low, the water outlet holes of the conventional boring cutter rod are positioned behind the cutter, so that generated cutting scraps are punched to the bottom of the hole under the action of cooling water pressure and cannot be discharged, and the cutter point is easy to damage; the conventional boring cutter generally adopts a reducing structure, and the cutter vibration phenomenon is easy to occur due to small allowance in the process of machining a plunger hole.
Therefore, the prior art has the problems of difficult chip removal, insufficient rigidity and the like.
Disclosure of Invention
The invention aims to provide a deep blind hole boring tool capable of automatically removing chips and a chip removal method. The invention has the characteristics of conveniently discharging chips and improving the rigidity of the cutter.
The technical scheme of the invention is as follows: the deep blind hole boring machining tool capable of automatically discharging chips comprises a tool bar and a blade, wherein the tool bar comprises a working part and a clamping handle part; a blade mounting groove is formed in the front end of the working part, and a water outlet hole located in the front end face of the working part is formed in the side face of the blade mounting groove; the blade mounting groove is connected with a blade through a screw; after the blade is installed in the blade installation groove, a main deflection angle and an auxiliary deflection angle formed by the blade are both 5 degrees +/-0.5 degrees.
In the automatic chip removal deep blind hole boring tool, the diameter difference between the tool nose rotating diameter of the blade and the diameter of the working part is 1-2mm.
In the automatic deep blind hole boring cutter of chip removal, the water outlet hole is located at the front end of the blade.
In the automatic chip removal deep blind hole boring cutter, the blade mounting groove enables the main deflection angle and the auxiliary deflection angle formed after the blade is mounted to be 5 degrees.
In the automatic chip removal deep blind hole boring cutter, a directional clamping plane is arranged on the clamping handle part.
In the automatic chip removal deep blind hole boring cutter, the material is tool steel.
In the automatic chip removal deep blind hole boring cutter, the blade is an ISO standard 80-degree C-type blade.
A chip removal method of a deep blind hole boring processing cutter capable of automatically removing chips is characterized in that when the deep blind hole boring processing cutter is used for cutting, chips tend to move backwards in the cutting process of a blade and a workpiece; the cooling water flows out through the water outlet hole, acts on the hole bottom under the action of pressure, rebounds through the hole bottom and flows out of the plunger hole along the hole wall, chips are taken away from the plunger hole by the cooling water in the process, chip removal is completed, in the whole process, the chips only bear acting force moving towards the hole opening, and the chips are discharged smoothly.
Compared with the prior art, the water outlet hole is formed in the front end face of the cutter bar working part, the main deflection angle and the auxiliary deflection angle of the blade are limited to 5 degrees, the cutting chip has a backward movement trend in the cutting process of the blade and a workpiece, cooling water flows out of the water outlet hole and does not act on the cutting chip, the cooling water acts on the bottom of the hole under the action of pressure, the cooling water rebounds from the bottom of the hole and then flows out of the plunger hole along the hole wall, the cooling water flows out of the plunger hole and simultaneously carries the cutting chip out of the plunger hole, the purpose of chip removal is achieved, in the whole cutting process, the cutting chip is only acted on the action force moving towards the hole opening, and the cutting chip is smoothly discharged; meanwhile, because the blade has a deflection angle of 5 degrees, the contact surface of the blade and a workpiece is not changed all the time when the hole is at the bottom, and the influence of chips on the hole bottom is avoided, so that the stability of the tool tip in the machining process is ensured, and the service life of the tool tip is prolonged; the cutter bar has no reducing structure, has better strength and rigidity, can avoid the phenomenon of cutter vibration during processing, and ensures the dimensional stability of products and the smoothness requirement of the plunger hole. In conclusion, the tool has the characteristics of conveniently discharging chips and improving the rigidity of the tool.
Drawings
FIG. 1 is a structural view of a plunger bore to be machined;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a structural view of the cutter bar;
fig. 4 is a chip evacuation schematic of the present invention.
The symbols in the drawings are: 1-cutter bar, 2-cutter blade, 101-working part, 102-clamping handle part, 111-cutter blade mounting groove, 112-water outlet hole and 121-directional clamping plane.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. The deep blind hole boring machining tool capable of automatically discharging chips comprises a tool bar 1 and a blade 2, wherein the tool bar 1 comprises a working part 101 and a clamping handle part 102; a blade mounting groove 111 is formed in the front end of the working part 101, and a water outlet 112 located in the front end face of the working part 101 is formed in the side face of the blade mounting groove 111; the blade mounting groove 111 is connected with a blade 2 through a screw; the blade 2 is an ISO standard 80-degree C-shaped blade, and a main deflection angle and an auxiliary deflection angle formed after the blade is installed are both 5 degrees +/-0.5 degrees.
The diameter difference between the rotating diameter of the tool nose of the blade 2 and the diameter of the working part 101 is 1-2mm.
The middle of the insert mounting groove 111 is provided with a screw hole.
The water outlet 112 is located at the front end of the blade 2.
The clamping handle part 102 is provided with a directional clamping plane 121.
The material is tool steel.
A chip removal method of a deep blind hole boring processing cutter capable of automatically removing chips is characterized in that when the deep blind hole boring processing cutter is used for cutting, a blade tends to move backwards in the cutting process of a workpiece; the cooling water flows out through the water outlet hole, acts on the hole bottom under the action of pressure, rebounds through the hole bottom and flows out of the plunger hole along the hole wall, chips are taken away from the plunger hole in the process, chip removal is completed, in the whole cutting process, the chips only bear acting force moving towards the hole opening, and the chips are discharged smoothly.
The cutter bar consists of a clamping handle part and a working part, the diameter of the clamping part is consistent with that of a boring cutter handle clamping hole, and the clamping handle part is provided with a directional plane which is used for clamping the cutter bar and enabling the cutter bar to have a directional effect, so that the cutter point is ensured to be in the eccentric distance adjusting direction of the boring cutter handle. The working part is provided with a blade mounting groove, the blade is tightly attached to two edges of the blade mounting groove after being compressed by a screw, the positioning and mounting of the blade are realized, and the blade mounting groove also ensures that the deflection angles of the main cutting edge and the auxiliary cutting edge are both 5 degrees after the blade is mounted; the water outlet is positioned on the front end surface of the working part.
The working part of the cutter bar has no reducing structure, the difference between the rotating diameter of the cutter point and the diameter of the working part is within 1-2MM, and the cutter bar has better strength and rigidity.
After the blade is installed, the main deflection angle and the auxiliary deflection angle of the blade are both 5 degrees.
In the process of cutting chips formed by the blade and a workpiece, the chips tend to move backwards, cooling water flows out of the water outlet hole and does not act on the chips firstly, but acts on the bottom of the hole firstly under the action of pressure, rebounds from the bottom of the hole and then flows out of the plunger hole along the wall of the hole, and the chips are taken out of the plunger hole along the trend while the cooling water flows out of the plunger hole, so that the purpose of chip removal is achieved; meanwhile, the blade has a deflection angle of 5 degrees, so that the contact surface of the blade and a workpiece is not changed all the time when the blade is at the bottom of a hole, and the influence of chips on the bottom of the hole is avoided, thereby ensuring the stability of the tool tip in the processing process and prolonging the service life of the tool tip.
Claims (8)
1. The utility model provides an automatic deep blind hole bore hole processing cutter of chip removal, includes cutter arbor (1) and blade (2), its characterized in that: the cutter bar (1) comprises a working part (101) and a clamping handle part (102); a blade mounting groove (111) is formed in the front end of the working part (101), and a water outlet hole (112) located in the front end face of the working part (101) is formed in the side face of the blade mounting groove (111); the blade mounting groove (111) is connected with a blade (2) through a screw; after the blade (2) is installed in the blade installation groove (111), a main deflection angle and an auxiliary deflection angle formed by the blade are both 5 degrees +/-0.5 degrees.
2. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the diameter difference between the rotating diameter of the tool nose of the blade (2) and the diameter of the working part (101) is 1-2mm.
3. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the water outlet hole (112) is positioned at the front end of the blade (2).
4. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the blade mounting groove (111) ensures that the main deflection angle and the auxiliary deflection angle formed after the blade is mounted are both 5 degrees.
5. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the clamping handle part (102) is provided with a directional clamping plane (121).
6. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the material is tool steel.
7. The automatic chip removal deep blind hole boring tool according to claim 1, characterized in that: the blade (2) is an ISO standard 80-degree C-shaped blade.
8. The chip removal method of the automatic chip removal deep blind hole boring cutter according to any one of claims 1 to 7 is characterized in that: when a deep blind hole boring machining cutter is used for cutting machining, the cutting chip tends to move backwards in the cutting process of the blade and a workpiece; the cooling water flows out through the water outlet hole, acts on the bottom of the hole under the action of pressure, rebounds through the bottom of the hole and flows out of the plunger hole along the hole wall, and chips are taken away from the plunger hole by the cooling water in the process to finish chip removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211300098.3A CN115519145A (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips and chip removal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211300098.3A CN115519145A (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips and chip removal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115519145A true CN115519145A (en) | 2022-12-27 |
Family
ID=84704010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211300098.3A Pending CN115519145A (en) | 2022-10-24 | 2022-10-24 | Deep blind hole boring machining tool capable of automatically removing chips and chip removal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115519145A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571771A (en) * | 2023-07-12 | 2023-08-11 | 赣州澳克泰工具技术有限公司 | Boring cutter with a plurality of cutting parts |
-
2022
- 2022-10-24 CN CN202211300098.3A patent/CN115519145A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571771A (en) * | 2023-07-12 | 2023-08-11 | 赣州澳克泰工具技术有限公司 | Boring cutter with a plurality of cutting parts |
| CN116571771B (en) * | 2023-07-12 | 2024-02-02 | 赣州澳克泰工具技术有限公司 | Boring cutter with a plurality of cutting parts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218224689U (en) | Deep blind hole boring machining tool capable of automatically removing chips | |
| CN115519145A (en) | Deep blind hole boring machining tool capable of automatically removing chips and chip removal method | |
| CN103978255A (en) | Composite milling cutter for machining different-diameter holes | |
| CN117086376B (en) | Positioning tungsten steel milling cutter disc assembly | |
| CN211135570U (en) | End face forming groove cutter of pump driving wheel | |
| CN210908134U (en) | Machine tool knife rest convenient for tool changing | |
| CN215787009U (en) | High-speed milling cutter for heavy cutting of aluminum alloy material | |
| CN214720637U (en) | Positioning push boring cutter used before deep hole machining | |
| CN109108312B (en) | Turning tool with composite coating | |
| CN210996539U (en) | Special combined guide bar boring cutter for high-precision blind hole with replaceable blade | |
| CN205020833U (en) | But screw compresses tightly unsteady boring cutter of type transposition alloy blade | |
| CN211760179U (en) | Deep hole drilling device | |
| CN2104091U (en) | Adjusting wedging fast-changing hard alloy cutting lathe tool | |
| CN220659319U (en) | Hard alloy stepped drill with chip breaker | |
| CN220533167U (en) | Drilling, reaming and milling thread chamfering tool | |
| CN211991134U (en) | Cutting tool convenient to dismantle cutting edge | |
| CN212734208U (en) | Adjustable inner hole groove machining tool | |
| CN220388120U (en) | PCD reamer with chip breaking grooves | |
| CN217912893U (en) | Combined rough machining forming cutter | |
| CN219986334U (en) | Alloy spiral blade | |
| CN219151671U (en) | High-efficiency integrated drilling reamer | |
| CN217252992U (en) | CNC (computer numerical control) inner-cooling efficient drilling tool | |
| CN216263660U (en) | Three-edge indexable efficient reamer | |
| CN215238273U (en) | Large length-diameter ratio inner hole pull type reamer | |
| CN217191946U (en) | Bar copper unloader based on punch press |
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 |