CN110394490A - A kind of milling cutter for solid propellant face milling - Google Patents
A kind of milling cutter for solid propellant face milling Download PDFInfo
- Publication number
- CN110394490A CN110394490A CN201910726604.7A CN201910726604A CN110394490A CN 110394490 A CN110394490 A CN 110394490A CN 201910726604 A CN201910726604 A CN 201910726604A CN 110394490 A CN110394490 A CN 110394490A
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- Prior art keywords
- milling cutter
- milling
- driving motor
- shaft
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/08—Disc-type cutters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention belongs to tooling cost fields, more particularly to a kind of milling cutter for solid propellant face milling, the milling cutter being arranged symmetrically including two groups, transmission shaft, driving motor, bracket, an and adjusting screw, by being provided with dust recovery holes to milling cutter center, in transmission shaft, airflow channel is established in driving motor, and this airflow channel is connected with device for recovering powder by rotary joint, directly propellant dust and clast that milling generates are recycled in milling cutter, energy consumption is small, dust is not easy to fly upward, simultaneously milling cutter position can be adjusted by adjusting screw, and then use the propellant product of different length.The present invention compensates for the deficiency of the technologies such as existing vehicle medicine technique, end face trim process, dust processing, the dust generated in lesser energy consumption centralized recovery milling can be used, improve the safety of propellant end face finishing, flexibility is higher, expand the scope of application of equipment, and reduce waste, reduce energy consumption.
Description
Technical field
The invention belongs to tooling cost fields, and in particular to a kind of milling cutter for solid propellant face milling.
Background technique
Currently, military equipment is higher and higher to the product quality of solid propellant, it is therefore desirable to the outer of solid propellant
It sees the indexs such as shape and weight and carries out stringent control.
The moulding process such as common solid propellant spiral shell pressure, oil pressure pressure stretch are required to cut off powder column, are cutting off
The problems such as overlap, burr and length variation are generated in journey not can avoid, this has resulted in powder column face shaping and has been unable to satisfy requirement,
The indicator differences such as weight are larger.The solution taken now is the reserved certain length in cutting, then again to powder column into
Row turnery processing guarantees product quality in turn.But waste of material is larger, while increasing a vehicle medicine process, and when vehicle medicine
It is larger to generate larger dust, security risk.Although existing currently, civilian industry has some end face dressing techniques
Problem.
Patent of invention CN108747420A discloses a kind of sealing of motor spindle end face automatic processing device, by increasing adaptive turn
Axis reduces the difficulty of processing to motor shaft clamping component, realizes end face processing in by the way that movement routine is arranged to workbench
The serialization of heart drilling.Utility model CN207914668U discloses a kind of finishing of hard alloy long stick green compact end face and fixed length dress
It sets, long stick green compact end face is modified by face cutter, so that green compact end face is smooth, long stick pressure is adjusted by length control device
Base is drawn close to face cutter direction, and carries out fixed length.Utility model CN207104210U discloses a kind of automobile engine cylinder-body
End face prosthetic appliance carries out milling to engine end face, guarantees engine using engine cylinder body crankshaft axis as positioning datum
The verticality of end face and crankshaft axis.Utility model CN206953373U discloses a kind of bottle cap defeathering edge equipment, passes through volume
Disk realizes the automatic loading/unloading of bottle cap, is handled by face cutter bottle cap flash, by designing the suction in milling cutter side
Dirt device recycles clast, keeps the cleaning of bottle cap.Section 4 patent and the present invention are closest in above four kinds of patents.
But the device of utility model patent CN206953373U has the disadvantage in that (1) dust exhaust apparatus in milling cutter side
Face needs biggish air quantity that could absorb the clast generated in milling process, causes energy consumption larger；(2) clast generates simultaneously
After need movement can be collected more at a distance, clast be easy deviate collection path, cause dust from flying, security risk is big；
(3) only have side be arranged milling cutter, to the jagged powder column in two sides can not a step complete finishing, and can not adjust milling cutter feeding
Amount, narrow scope of application.Therefore need to develop one kind can centralized collection milling clast, and equipment is simple, energy consumption is smaller, together
When the biggish end face of the scope of application modify milling cutter.
Summary of the invention
(1) technical problems to be solved
The present invention proposes a kind of milling cutter for solid propellant face milling, to solve how to improve flexibility, concentrate
The technical issues of collecting milling clast and reducing energy consumption.
(2) technical solution
In order to solve the above-mentioned technical problem, the present invention proposes a kind of milling cutter for solid propellant face milling, special
Sign is, milling cutter include the first milling cutter, the first transmission shaft, the first driving motor, first support, the second milling cutter, second driving shaft,
Second driving motor, second support and adjusting screw；Wherein,
First milling cutter and the second milling cutter are respectively arranged on the first transmission shaft and second driving shaft by spline；First transmission
Axis and second driving shaft are connected with the main shaft of the first driving motor and the second driving motor respectively；First driving motor and second drives
Dynamic motor is separately fixed at first support and second support upper end；First support and second support lower end by threaded hole and are adjusted
Lead screw is cooperatively connected；First milling cutter, the first transmission shaft, the first driving motor and first support and the second milling cutter, second driving shaft,
Second driving motor and second support are arranged symmetrically；
First milling cutter and the second milling cutter are disc-shaped structure, and the peripheral circumferential array of the first milling cutter and the second milling cutter is several
Cutter head；The center of first milling cutter and the second milling cutter is provided with dust recovery holes, recycles for dust and clast；First milling cutter and second
Milling cutter is provided with spline in the heteropleural of installation cutter head, for being connected with the first transmission shaft and second driving shaft；First transmission shaft and
Second driving shaft center is provided with through-hole, passes through for dust and clast recovery air-flow；The one of first transmission shaft and second driving shaft
End is equipped with spline, for being connected with the first milling cutter and the second milling cutter；The main-shaft core of first driving motor and the second driving motor
It is provided with through-hole, rear end is connected by rotary joint with device for recovering powder.
Further, adjusting screw is driven by manual turntable or is driven by motor.
Further, concentricity≤0.005mm of each milling cutter, transmission shaft and driving motor main shaft.
Further, cutter head is Copper alloy material.
(3) beneficial effect
Milling cutter proposed by the present invention for solid propellant face milling, including two groups of milling cutters being arranged symmetrically, transmission
Axis, driving motor, bracket and an adjusting screw, by being provided with dust recovery holes to milling cutter center, in transmission shaft, driving
Airflow channel is established in motor, and this airflow channel is connected with device for recovering powder by rotary joint, in milling cutter directly
Propellant dust and clast that milling generates are recycled, energy consumption is small, dust is not easy to fly upward, while can be by adjusting silk
Thick stick adjusts milling cutter position, and then uses the propellant product of different length.The present invention compensates for existing vehicle medicine technique, end face finishing
The deficiency of the technologies such as technique, dust processing, can use the dust generated in lesser energy consumption centralized recovery milling, improve propulsion
The safety of agent end face finishing, flexibility is higher, expands the scope of application of equipment, and reduce waste, reduces energy consumption.
Compared with prior art, the invention has the advantages that the dust generated in milling can be concentrated and with lesser energy consumption
It is recycled, equipment is flexibly applicable in powder column of various length etc..The realization of the advantage is the technology by following three aspect: (1)
Dust and clast are introduced into device for recovering powder by transmission shaft, motor, rotary joint in milling cutter center design centre hole,
The tolerance needed is smaller, and low energy consumption；(2) milling cutter centre bore is closer with the cutter head for generating dust and clast, once dust produces
Life can be collected into centre bore at once, and dust from flying will not occur；(3) a pair of milling cutter being arranged symmetrically of design, and can lead to
The position that lead screw adjusts two milling cutters is crossed, and adjusts simple, the powder column suitable for different lengths.
Detailed description of the invention
Fig. 1 is the milling cutter general structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the milling cutter body structural schematic diagram of the embodiment of the present invention；
In figure, 1. first driving motors, 2. first transmission shafts, 3. first milling cutters, 4. first supports, 5. second milling cutters, 6.
Second driving shaft, 7. second driving motors, 8. second supports, 9. adjusting screws, 10. cutter heads, 11. dust recovery holes.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to tool of the invention
Body embodiment is described in further detail.
The present embodiment proposes a kind of milling cutter for solid propellant face milling, and structure is as shown in Figure 1.The milling cutter packet
The first milling cutter 3, the first transmission shaft 2, the first driving motor 1, first support 4, the second milling cutter 5, second driving shaft 6, second is included to drive
Dynamic motor 7, second support 8, adjusting screw 9.
Wherein, the first milling cutter 3 and the second milling cutter 5 are respectively arranged in the first transmission shaft 2 and second driving shaft 6 by spline
On；First transmission shaft 2 and second driving shaft 6 are connected with the main shaft of the first driving motor 1 and the second driving motor 7 respectively；First
Driving motor 1 and the second driving motor 7 are separately fixed at 8 upper end of first support 4 and second support；First support 4 and second
8 lower end of frame is cooperatively connected by threaded hole and adjusting screw 9.First milling cutter 3, the first transmission shaft 2, the first driving motor 1, first
Bracket 4 is arranged symmetrically with the second milling cutter 5, second driving shaft 6, the second driving motor 7, second support 8.
As shown in Fig. 2, the first milling cutter 3 and the second milling cutter 5 are disc-shaped structure, the first milling cutter 3 and the second milling cutter 5 it is outer
Several cutter heads 10 of circumferential array are enclosed, cutter head 10 is Copper alloy material；The center of first milling cutter 3 and the second milling cutter 5 is provided with dust and returns
Batter 11 is recycled for dust and clast；First milling cutter 3 and the second milling cutter 5 are provided with spline in the heteropleural of installation cutter head 10, use
It is connected in the first transmission shaft 2 and second driving shaft 6.
First transmission shaft 2 and 6 center of second driving shaft are provided with through-hole, pass through for dust and clast recovery air-flow；First
One end of transmission shaft 2 and second driving shaft 6 is equipped with spline, for being connected with the first milling cutter 3 and the second milling cutter 5.
The main-shaft core of first driving motor 1 and the second driving motor 7 is provided with through-hole, and rear end passes through rotary joint and dust
Recyclable device is connected.
Adjusting screw 9 can be driven by manual turntable, can also be driven by motor.
Concentricity≤0.005mm of milling cutter, transmission shaft and driving motor main shaft.
The milling cutter for solid propellant face milling that the present embodiment proposes, first passes through adjusting screw in use
The distance for two milling cutters being arranged symmetrically is adjusted, locking adjusts screw rod after position determines, position occurs inclined when preventing milling cutter from working
Shifting causes powder column size unstable, and driving motor drives milling cutter rotation, while device for recovering powder work is in the centre bore of milling cutter
Tiny structure is formed, the air-flow to centre bore direction is formed near milling cutter, the powder column cut off will be required to lead to according to size
The conveying device for crossing auxiliary is transported to face cutter station, and the milling cutter run simultaneously by both ends is to the overlap and hair of grainend
Capable cleaning is lunged, simultaneously because the position of two pairs of milling cutters is fixed, therefore the length of powder column is held in after milling cutter in powder column
The dust and clast that milling generates are introduced into milling cutter by a certain specific dimensions, the air-flow that milling cutter is formed about while face milling
Heart hole is eventually entered into device for recovering powder by transmission shaft, driving motor main shaft.
Embodiment 1
It is used for the milling cutter of solid propellant face milling in this embodiment, is mainly used for that length is 240mm, diameter is
70mm, the face milling of the same medicine shape of the same batch for the propellant charge that length 220mm, diameter are 100mm.
Wherein, adjusting screw 9 is driven by manual turntable.
Embodiment 2
It is used for the milling cutter of solid propellant face milling in this embodiment, is mainly used for that length is 130mm, diameter is
22mm, length 80mm, diameter 12mm, length 14mm, diameter are various types of propellant charge mixing lifes such as 14mm
The face milling of production.
Wherein, adjusting screw 9 can automatically adjust the distance of two milling cutters, be adapted to different model by motor driven
Propellant product.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of milling cutter for solid propellant face milling, which is characterized in that the milling cutter includes the first milling cutter, the first biography
Moving axis, the first driving motor, first support, the second milling cutter, second driving shaft, the second driving motor, second support and adjusting silk
Thick stick；Wherein,
First milling cutter and the second milling cutter are respectively arranged on first transmission shaft and second driving shaft by spline；It is described
First transmission shaft and second driving shaft are connected with the main shaft of first driving motor and the second driving motor respectively；Described first
Driving motor and the second driving motor are separately fixed at the first support and second support upper end；The first support and second
Pedestal lower end is cooperatively connected by threaded hole and the adjusting screw；First milling cutter, the first transmission shaft, the first driving motor
It is arranged symmetrically with first support and second milling cutter, second driving shaft, the second driving motor and second support；
First milling cutter and the second milling cutter are disc-shaped structure, the peripheral circumferential array of first milling cutter and the second milling cutter
Several cutter heads；The center of first milling cutter and the second milling cutter is provided with dust recovery holes, recycles for dust and clast；Described
One milling cutter and the second milling cutter are provided with spline in the heteropleural for installing the cutter head, are used for and first transmission shaft and the second transmission
Axis is connected；First transmission shaft and second driving shaft center are provided with through-hole, pass through for dust and clast recovery air-flow；It is described
One end of first transmission shaft and second driving shaft is equipped with spline, for being connected with first milling cutter and the second milling cutter；Described
The main-shaft core of one driving motor and the second driving motor is provided with through-hole, and rear end passes through rotary joint and device for recovering powder phase
Even.
2. milling cutter as described in claim 1, which is characterized in that the adjusting screw drives by manual turntable or pass through motor
It is driven.
3. milling cutter as described in claim 1, which is characterized in that the concentricity of each milling cutter, transmission shaft and driving motor main shaft
≤0.005mm。
4. milling cutter as described in claim 1, which is characterized in that the cutter head is Copper alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726604.7A CN110394490A (en) | 2019-08-07 | 2019-08-07 | A kind of milling cutter for solid propellant face milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726604.7A CN110394490A (en) | 2019-08-07 | 2019-08-07 | A kind of milling cutter for solid propellant face milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394490A true CN110394490A (en) | 2019-11-01 |
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ID=68327725
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910726604.7A Pending CN110394490A (en) | 2019-08-07 | 2019-08-07 | A kind of milling cutter for solid propellant face milling |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1599306B1 (en) * | 2003-02-16 | 2011-10-19 | Iscar Ltd. | Cutting tool and cartridge therefor |
| CN103264315A (en) * | 2013-04-27 | 2013-08-28 | 浙江工业大学 | Numerical-control machining chip removal device for light nonmetal materials |
| EP2979797A1 (en) * | 2014-07-28 | 2016-02-03 | Hsin-Tien Chang | Blade positioning structure of disposable milling cutter |
| CN206779540U (en) * | 2017-06-06 | 2017-12-22 | 晋江市曙光机械有限公司 | A kind of horizontal double flat weighing apparatus plain mille |
| CN207386662U (en) * | 2017-10-31 | 2018-05-22 | 浙江双正机床有限公司 | A kind of double-shaft horizontal servo special plane |
| CN207840238U (en) * | 2018-01-30 | 2018-09-11 | 东莞市固达机械制造有限公司 | A kind of universal digital-control two-head milling machine |
-
2019
- 2019-08-07 CN CN201910726604.7A patent/CN110394490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1599306B1 (en) * | 2003-02-16 | 2011-10-19 | Iscar Ltd. | Cutting tool and cartridge therefor |
| CN103264315A (en) * | 2013-04-27 | 2013-08-28 | 浙江工业大学 | Numerical-control machining chip removal device for light nonmetal materials |
| EP2979797A1 (en) * | 2014-07-28 | 2016-02-03 | Hsin-Tien Chang | Blade positioning structure of disposable milling cutter |
| CN206779540U (en) * | 2017-06-06 | 2017-12-22 | 晋江市曙光机械有限公司 | A kind of horizontal double flat weighing apparatus plain mille |
| CN207386662U (en) * | 2017-10-31 | 2018-05-22 | 浙江双正机床有限公司 | A kind of double-shaft horizontal servo special plane |
| CN207840238U (en) * | 2018-01-30 | 2018-09-11 | 东莞市固达机械制造有限公司 | A kind of universal digital-control two-head milling machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |
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| RJ01 | Rejection of invention patent application after publication |