CN108031908A - A kind of CNC milling machine for rifling processing - Google Patents
A kind of CNC milling machine for rifling processing Download PDFInfo
- Publication number
- CN108031908A CN108031908A CN201711362865.2A CN201711362865A CN108031908A CN 108031908 A CN108031908 A CN 108031908A CN 201711362865 A CN201711362865 A CN 201711362865A CN 108031908 A CN108031908 A CN 108031908A
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- China
- Prior art keywords
- axis
- lathe bed
- feed mechanism
- barrel
- milling
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/32—Milling helical grooves, e.g. in making twist-drills
Abstract
The invention belongs to milling machine technical field, and in particular to a kind of CNC milling machine for rifling processing, including the barrel lathe bed of barrel positioning and clamping is used to support, it is connected with the machine tool chief axis lathe bed of support barrel milling component；Dovetail groove guide rail connection fore-stock, after-poppet, preceding connected tank, the rear connected tank set on the barrel lathe bed；The roller line slideway set on the machine tool chief axis lathe bed is connected with Z axis feed mechanism, C axis rotating feed mechanisms, and C axis rotating feed mechanisms are connected with milling cutter system, and operation console, fixed guiding carrier are connected with machine tool chief axis lathe bed；The control system being made up of operation console and power control cabinet controls feed mechanism to produce rifling track and moment of torsion, control milling cutter system output cutting force and moment of torsion, is finally completed the Milling Process of Artillery rifle.The milling machine high precision machining of the present invention, surface quality is good, and productivity is high, safe, good reliability, and adjustment is easy, and maintenance cost is low.
Description
The application is application number 2017107297667, " one kind is used for cannon for 2017 applyings date August 23 days, denomination of invention
The divisional application of the CNC milling machine of Pipe rifling processing ".
Technical field
The invention belongs to milling machine technical field, and in particular to a kind of CNC milling machine for rifling processing.
Background technology
Compared with smoothbore, it is convenient that rifle weapon long range accuracy is high, bullet is stablized, will suitable for different outer trajectorys
Ask.It has been widely used always since invention.
Structure of the specification of rifling including rifling, number, the width of negative and positive rifling, the depth of groove, the degree of twining of rifling
Etc. index；Rifling is divided into rectangle, trapezoidal, arc-shaped, more arc, polygon arc and arch riflings by cross sectional shape, becomes by degree of twining
Rib rifling and increasing twist rifle are divided into, has by diameter before and after rifle and unchanged is divided into cylindrical rifle and conical rifle.Circle
Cylindricality rifle has four kinds of methods such as broaching, extruding, electrolysis, forging respectively, for gun barrel, due to its size, wall thickness
Etc. larger, generally use broaching method.
Cutter broaching method is to be carried out with rifling head on special broaching machine.Rifling head is micro- by knife bar, blade and the depth of cut
Parts are adjusted to form, quantity, width, shape and the gradient of blade are determined according to the regulation of rifling.Broaching tool is made radially by helical pitch requirement
Rotation and axial feed linkage.Fine-adjustment feed amount carries out again after once broaching, untill reaching regulation groove depth.This technique
Method is simple, shaping is accurate, and gradually speed degree of twining rifling can be processed by Numeric Control Technology.But low production efficiency, groove surface are thick
Rough to have tool marks, the inner trajectory resistance after processing is big, and broaching tool is complex-shaped and manufacture difficulty is big.
Therefore, broaching method is difficult to ensure that the accuracy of Artillery rifle processing, high efficiency, low, smart there are productivity
Spend the problems such as low, stability is poor.
The content of the invention
The present invention provides a kind of CNC milling machine for rifling processing, has the characteristics that efficient, high accuracy, is processed through it
Artillery rifle have inner trajectory resistance it is small, the advantage such as barrel service life length, accuracy at target height.
To achieve the above object, the technical solution of the application is：A kind of CNC milling machine for rifling processing, including：Machine
Bed main shaft lathe bed, barrel lathe bed, rear connected tank, after-poppet, fore-stock, preceding connected tank, milling cutter system, flexible clutch, fixation
Guiding carrier, operation console, knife bar, C axis rotating feed mechanism, Z axis feed mechanism；The machine tool chief axis lathe bed and barrel lathe bed phase
Even, fore-stock, after-poppet, preceding connected tank, rear connected tank, the fore-stock, after-poppet are slidably connected on the barrel lathe bed
It is placed between preceding connected tank and rear connected tank；Guiding carrier, operation console are fixed in the machine tool chief axis lathe bed connection；The machine tool chief axis
Lathe bed is also associated with Z axis feed mechanism and C axis rotating feed mechanisms by roller line slideway；Z axis feed mechanism and roller are straight
Line guide rail is slidably connected, and C axis rotating feed mechanisms are fixedly mounted on Z axis feed mechanism；The C axis rotating feed mechanism is fixed
Knife bar is connected, the knife bar is also connected with milling cutter system by flexible clutch.
Further, Z axis feed mechanism and C the axis rotating feed mechanism is closed-loop control, using single shaft feeding or
Person is fed using the two-axle interlocking of Z, C axis；
Further, the fore-stock, be respectively fixedly connected with self-centering chuck on after-poppet, for determining for barrel part
Position and clamping；Fixed guiding carrier installation self-centering chuck, for being oriented to.
Further, the fore-stock, after-poppet, fixed guiding carrier are also respectively provided with scroll chuck, each three-jaw card
The centre of gyration line of disk is coaxial.
Further, the milling cutter system, including support tube, spindle motor, retainer, master gear, milling cutter device；
The support tube is connected with knife bar by flexible clutch, and support tube both ends are respectively fixedly connected with a retainer, and retainer is used for
Holding support tube is contacted with barrel inner wall and both centre of gyration lines are coaxial, and stator and the support tube inner wall of spindle motor are fixed
Connection, master gear are fixedly connected with the rotor.
Further, the quantity of milling cutter device is equal with Pipe rifling number, and is evenly distributed on support tube periphery
On.
Further, the milling cutter device, including tool gear, cutter spindle, cutter spindle bearing, cutter holder, milling cutter；
The cutter spindle is rolled with cutter spindle bearing and connected, and cutter spindle bearing is fixedly connected with support tube, and cutter holder is fixed on knife
Have on main shaft, milling cutter is installed in cutter holder, and tool gear is fixedly connected with cutter spindle, and master gear engages company with tool gear
Connect, spindle motor is rotated by the engaged transmission driving milling cutter of master gear and tool gear, realizes machining.
As further, the operation console is connected with power control cabinet, for installing milling machine numerical control module, drive module,
The movement of the power control cabinet control Z axis feed mechanism, C axis rotating feed mechanism and spindle motor.
As further, on the basis of operation console parameter is adjusted, change the number of milling cutter device, angle realizes thorax
Line number purpose is replaced, and adjustment blade shapes realize the change in rifling section；Rifling can be realized by adjusting milling cutter clamping length
The change of depth and repeatedly successively process.
It is flat lathe bed as further, described machine tool chief axis lathe bed, barrel lathe bed.
The present invention be used for Artillery rifle processing CNC milling machine possessed by obvious benefit effect be：
Be not in because knife bar stress deformation draws 1. by milling cutter guarantee Pipe rifling cross sectional shape, the uniformity of size
Play the change of rifling depth, shape；
2. Milling Process surface quality is high, Milling Process rear surface roughness value is small, without squama thorn, tool marks the defects of；
3. the knife bar of milling machine is solely subjected to axial force, the deformation such as amount of deflection is not produced, and the machining accuracy of rifling is higher；
4. high in machining efficiency, a Milling Process goes out all riflings, and productivity is high；
5. it is easy to adjust, it is flexible strong, suitable for the processing of the Artillery rifle of different model, size and material.
The CNC milling machine for being used for Artillery rifle processing of the present invention has high precision machining, and surface quality is good, production
The features such as rate is high, safe, good reliability, and adjustment is easy, and maintenance cost is low, the Artillery rifle inner trajectory resistance processed
Power is small, has a clear superiority in barrel service life, accuracy at target etc..
Brief description of the drawings
The present invention 2 width of shared attached drawing：
Fig. 1 is the structure diagram for the CNC milling machine of Artillery rifle processing；
Fig. 2 is the milling cutter system construction drawing for the CNC milling machine of Artillery rifle processing.
In figure：1. machine tool chief axis lathe bed, 2. barrel lathe beds, connected tank after 3., 4. after-poppets, 5. fore-stocks, connect oil before 6.
Case, 7. milling cutter systems, 8. flexible clutch, 9. fix guiding carrier, 10. operation consoles, 11. power control cabinets, 12. knife bars, the rotation of 13.C axis
Turn feed mechanism, 14.Z axis feed mechanisms；71. support tube, 72. retainers, 73. spindle motors, 74. rotors, 75. stators, 76.
Milling cutter, 77. cutter holders, 78. cutter spindle bearings, 79. cutter spindles, 710. master gears, 711. tool gears.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of CNC milling machine for rifling processing, including：
Machine tool chief axis lathe bed 1, for the support of workpiece milling component, is provided with roller line slideway, in milling on lathe bed
During be used for be oriented to；
The machine tool chief axis lathe bed 1 is connected with barrel lathe bed 2, and barrel lathe bed 2 is used for barrel positioning and clamping component
Support, sets dovetail groove guide rail；
The barrel lathe bed 2 slidably connects fore-stock 5, after-poppet 4, preceding connected tank 6, rear connected tank 3；Wherein：Preceding branch
Be respectively fixedly connected with self-centering chuck on frame 5 and after-poppet 4, for the positioning and clamping of barrel part, preceding connected tank 6 and after
Connected tank 3 is used for the splashproof of cooling oil, recycling；
Guiding carrier 9, operation console 10 are fixed in the connection of machine tool chief axis lathe bed 1, and fixed guiding carrier 9 is provided with self-centering card
Disk, for being oriented to, operation console 10 is the man-machine interface of milling machine, the control for milling machine；
The machine tool chief axis lathe bed 1 is connected with Z axis feed mechanism 14 and C axis rotating feed mechanisms by roller line slideway
13.Its connection relation is：Z axis feed mechanism 14 is slidably connected with roller line slideway, and C axis rotating feed mechanism 13 is fixedly mounted
On Z axis feed mechanism 14, feed mechanism is closed-loop control, fed using single shaft, also can use Z, C axis two-axle interlocking into
Give；
The C axis rotating feed mechanism 13 is fixedly connected with knife bar 12, and knife bar 12 transmits cutting force and torsion in milling process
Square, realizes the milling of workpiece；
The knife bar 12 is also connected with milling cutter system 7 by flexible clutch 8；
The milling cutter system 7, including support tube 71, spindle motor 73, retainer 72, master gear 710, tool gear
711st, cutter spindle 79, cutter spindle bearing 78, cutter holder 77, milling cutter 76；Wherein support tube 71 passes through flexible coupling with knife bar 12
Device 8 connects, and 71 both ends of support tube are respectively fixedly connected with a retainer 72, and retainer 72 is used to keep support tube 71 and barrel inner wall
Contact and both center lines are coaxial, the stator 75 of spindle motor 73 is fixedly connected with 71 inner wall of support tube, master gear 710 and rotor
74 are fixedly connected, and cutter spindle 79 is rolled with cutter spindle bearing 78 and connected, and cutter spindle bearing 78 is fixed with support tube 71 to be connected
Connect, cutter holder 77 is fixed on cutter spindle 79, and milling cutter 76 is installed in cutter holder 77, and tool gear 711 is fixed with cutter spindle 79
Connection, master gear 710 engage connection with tool gear 711, and spindle motor 73 is nibbled by master gear 710 and tool gear 711
Close transmission driving milling cutter 76 to rotate, so as to fulfill machining.
The operation console 10 is connected with power control cabinet 11, for installing milling machine numerical control module, drive module and component, control
The movement of Z axis feed mechanism 14, C axis rotating feed mechanism 13 and spindle motor 73.
The course of work that the present invention is used for the CNC milling machine of Artillery rifle processing is as follows：Machine tool chief axis lathe bed 1, is used for
The support of barrel milling component；Barrel lathe bed 2, the support for components such as barrel part positioning and clampings；Fixed guiding carrier 9,
Guiding for knife bar 12；Operation console 10 controls Z axis feed mechanism 14, C axis rotating feed mechanism 13, main shaft by power control cabinet 11
Motor 73 provides suitable cutting force, moment of torsion and movement locus, and the milling of barrel part is realized eventually through milling cutter 76.
Detailed process includes：Milling cutter system is adjusted according to gun barrel part rifling technical requirements, operation console parameter is set；
Gun barrel part is installed in the scroll chuck on fore-stock 5, after-poppet 4 in barrel lathe bed 2, while ensures gun barrel zero
Part is in preceding connected tank 5 and in rear connected tank 6；14 two-axle interlocking of Z axis feed mechanism 13 and C axis feed mechanism, spindle motor 73
Drive milling cutter 76 to rotate at a high speed, complete the processing of Pipe rifling.
The CNC milling machine that the present invention is used for Artillery rifle processing has the characteristics that：Milling machine structure is compact, precision is high,
Maintainability is good etc., and the axis of rotation such as the knife bar of lathe, fore-stock, after-poppet, fixed guiding carrier overlaps, and installation and debugging are simple；Knife
Bar is not subject to radial direction torque, has enough intensity and rigidity；Workpiece position and clamp it is convenient and reliable, it is easy to operate；Z axis is fed
Mechanism and C axis swivel feedings mechanism are closed-loop system, further improve precision；Milling cutter system structure is compact, precision is high, reliable
Property is good；With stronger versatility, by adjusting systematic parameter, number, angle, shape and the clamping length of milling cutter device are with protecting
Hold the processing that frame size realizes different type Pipe rifling.
Basic principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the original of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (1)
- A kind of 1. CNC milling machine for rifling processing, it is characterised in that including：Machine tool chief axis lathe bed, barrel lathe bed, be followed by oil Case, after-poppet, fore-stock, preceding connected tank, milling cutter system, flexible clutch, fixed guiding carrier, operation console, knife bar, the rotation of C axis Feed mechanism, Z axis feed mechanism；The machine tool chief axis lathe bed is connected with barrel lathe bed, is slidably connected on the barrel lathe bed Fore-stock, after-poppet, preceding connected tank, rear connected tank, the fore-stock, after-poppet are placed between preceding connected tank and rear connected tank； Guiding carrier, operation console are fixed in the machine tool chief axis lathe bed connection；The machine tool chief axis lathe bed is also connected with by roller line slideway There are Z axis feed mechanism and C axis rotating feed mechanisms；Z axis feed mechanism is slidably connected with roller line slideway, C axis swivel feedings Mechanism is fixedly mounted on Z axis feed mechanism；The C axis rotating feed mechanism is fixedly connected with knife bar, and the knife bar is also by soft Property shaft coupling is connected with milling cutter system；Z axis feed mechanism and C the axis rotating feed mechanism is closed-loop control, using single shaft Feeding is fed using the two-axle interlocking of Z, C axis；Self-centering chuck has been respectively fixedly connected with the fore-stock, after-poppet, Positioning and clamping for barrel part；Fixed guiding carrier installation self-centering chuck, for being oriented to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362865.2A CN108031908B (en) | 2017-08-23 | 2017-08-23 | A numerically controlled fraise machine for rifling processing |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710729766.7A CN107363310B (en) | 2017-08-23 | 2017-08-23 | A kind of CNC milling machine for Artillery rifle processing |
| CN201711362865.2A CN108031908B (en) | 2017-08-23 | 2017-08-23 | A numerically controlled fraise machine for rifling processing |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729766.7A Division CN107363310B (en) | 2017-08-23 | 2017-08-23 | A kind of CNC milling machine for Artillery rifle processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031908A true CN108031908A (en) | 2018-05-15 |
| CN108031908B CN108031908B (en) | 2020-01-17 |
Family
ID=60311181
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729766.7A Active CN107363310B (en) | 2017-08-23 | 2017-08-23 | A kind of CNC milling machine for Artillery rifle processing |
| CN201711363741.6A Active CN107824851B (en) | 2017-08-23 | 2017-08-23 | Milling cutter system |
| CN201711362865.2A Active CN108031908B (en) | 2017-08-23 | 2017-08-23 | A numerically controlled fraise machine for rifling processing |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710729766.7A Active CN107363310B (en) | 2017-08-23 | 2017-08-23 | A kind of CNC milling machine for Artillery rifle processing |
| CN201711363741.6A Active CN107824851B (en) | 2017-08-23 | 2017-08-23 | Milling cutter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107363310B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601184A (en) * | 2021-08-19 | 2021-11-05 | 西安昆仑工业（集团）有限责任公司 | Numerical control milling machine for processing rifling of gun barrel |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890002B (en) * | 2018-09-07 | 2020-09-22 | 长沙哈镘数控深孔技术有限责任公司 | Numerical control milling machine |
| CN113681073B (en) * | 2021-08-27 | 2024-03-29 | 西安昆仑工业（集团）有限责任公司 | Groove pulling device for small-caliber rifling |
| CN113714541B (en) * | 2021-09-03 | 2022-07-12 | 西安昆仑工业（集团）有限责任公司 | A numerically controlled fraise machine for rifling processing |
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| US3213525A (en) * | 1961-02-10 | 1965-10-26 | Babcock & Wilcox Co | Method of forming an internal rib in the bore of a tube |
| CN101100035A (en) * | 2007-07-19 | 2008-01-09 | 上海鼓风机厂有限公司 | Bevel-gear right-angle milling head |
| CN106507722B (en) * | 2012-08-17 | 2014-06-25 | 四川省绵阳西南自动化研究所 | A kind of numerical control deep-hole broaching machine for Artillery rifle and recoil piston rod variable cross-section groove |
| CN104999124A (en) * | 2015-08-17 | 2015-10-28 | 舟山市海益塑胶机械有限公司 | Milling device for machining of inner side wall of workpiece |
| CN105921799A (en) * | 2016-05-25 | 2016-09-07 | 南通西马特机器制造有限公司 | Horizontal type internal keyway milling machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130627Y (en) * | 1992-08-05 | 1993-04-28 | 中国石油化工总公司辽阳石油化纤公司 | Long lead milling machine for machining spiral curved surface |
| CN201711581U (en) * | 2010-02-09 | 2011-01-19 | 张宏亮 | Numerical control deep hole combined machine tool for processing stator bowls with even wall thickness |
| CN201841301U (en) * | 2010-08-26 | 2011-05-25 | 江西洪都航空工业集团有限责任公司 | Vertical fin crossing surface milling device |
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2017
- 2017-08-23 CN CN201710729766.7A patent/CN107363310B/en active Active
- 2017-08-23 CN CN201711363741.6A patent/CN107824851B/en active Active
- 2017-08-23 CN CN201711362865.2A patent/CN108031908B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3213525A (en) * | 1961-02-10 | 1965-10-26 | Babcock & Wilcox Co | Method of forming an internal rib in the bore of a tube |
| CN101100035A (en) * | 2007-07-19 | 2008-01-09 | 上海鼓风机厂有限公司 | Bevel-gear right-angle milling head |
| CN106507722B (en) * | 2012-08-17 | 2014-06-25 | 四川省绵阳西南自动化研究所 | A kind of numerical control deep-hole broaching machine for Artillery rifle and recoil piston rod variable cross-section groove |
| CN104999124A (en) * | 2015-08-17 | 2015-10-28 | 舟山市海益塑胶机械有限公司 | Milling device for machining of inner side wall of workpiece |
| CN105921799A (en) * | 2016-05-25 | 2016-09-07 | 南通西马特机器制造有限公司 | Horizontal type internal keyway milling machine tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601184A (en) * | 2021-08-19 | 2021-11-05 | 西安昆仑工业（集团）有限责任公司 | Numerical control milling machine for processing rifling of gun barrel |
| CN113601184B (en) * | 2021-08-19 | 2023-09-15 | 西安昆仑工业（集团）有限责任公司 | Numerical control milling machine for gun barrel rifling processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108031908B (en) | 2020-01-17 |
| CN107824851A (en) | 2018-03-23 |
| CN107363310A (en) | 2017-11-21 |
| CN107363310B (en) | 2019-07-30 |
| CN107824851B (en) | 2020-01-03 |
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