CN205888099U - Main shaft cutting off tool rest - Google Patents
Main shaft cutting off tool rest Download PDFInfo
- Publication number
- CN205888099U CN205888099U CN201620706519.6U CN201620706519U CN205888099U CN 205888099 U CN205888099 U CN 205888099U CN 201620706519 U CN201620706519 U CN 201620706519U CN 205888099 U CN205888099 U CN 205888099U
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- main shaft
- band
- type brake
- casing
- oil
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Abstract
The utility model discloses a main shaft cutting off tool rest, characterized by: the blade disc is installed at the main shaft terminal surface, and the main shaft passes through the bearing support to be connected with the box, preceding flange and preceding, the trailing flank of back flange mounting at the box for the dead bearing inner race of axial lock, flange and back flange terminal surface department are in the front installed respectively to the band -type brake subassembly, and concentric with the main shaft, realize carrying out circumference locking to the main shaft through the band -type brake subassembly at both ends, locking spacer installation and rear -end of spindle, the belt pulley front end, through installing in the circumference position of the fixed locking spacer of main epaxial driving key, the belt pulley passes through servo motor drive back rethread driving key and will move and transmit to main shaft and locking spacer, and servo motor carries out radial graduation to the main shaft, and bearing inner race is locked to rethread rear end lock nut locking belt pulley. This main shaft cutting off tool rest can rotate at a high speed, radical location wantonly, and the band -type brake subassembly of installation can not only be realized reducing the tool changing time simultaneously in the high -speed gyration and the accurate location of blade disc.
Description
Technical field
This utility model belongs to field of mechanical technique and in particular to a kind of can high-speed rotation, the main shaft of any radial positioning
Tool holder.
Background technology
Traditional tool holder mainly adopts the rotation of servomotor mate gear reductor band movable knife disc, by a pair carried
Comb disk (one is fixed on pedestal, and one on rotary head) realizing circular dividing and the radial positioning of cutter, and this
Plant type of drive and be difficult to make cutterhead revolution at a high speed, and this mode is to realize final positioning by a pair of comb disk, this is right
The machining accuracy of comb disk and processing technique have very high requirement.For the processing article that difficulty of processing is big, accuracy requirement is high, lead to
It is unapproachable for cross comb disk carrying out radial positioning.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model be provide one kind can high-speed rotation, can be arbitrarily radially fixed
The main shaft tool holder of position, this main shaft tool holder passes through the common cooperation of servomotor and band-type brake assembly, not only enables cutterhead
Revolution at a high speed and precise positioning, can reduce tool change time simultaneously.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of main shaft tool holder it is characterised in that: include main shaft, casing, flange assembly, band-type brake assembly, latch assembly and
Cutterhead；
Described main shaft is provided with two bearings, outer separator and inner spacing collar, wherein outer separator and inner spacing collar located at two bearings
Between；Described outer separator is arranged on described main shaft, and described inner spacing collar is arranged between outer separator and main shaft, and outer separator and interior
Spacer two ends are all connected with described bearing；
Former and later two sides of described casing are provided with the through hole running through casing, and described main shaft passes through described bearing with casing even
Connect, two of which bearing is located at the through hole of casing both sides respectively；Described main shaft tail end stretches out from casing backside via, before main shaft
End is stretched out from cabinet front through hole；
Described flange assembly includes forward flange and rear flange, and forward flange and rear flange are separately mounted to the front side of described casing
Face and trailing flank, and flange assembly is concentric with described main shaft；
Described band-type brake assembly includes preposition band-type brake and rearmounted band-type brake, and wherein preposition band-type brake and rearmounted band-type brake are by annular base
Body, the hydraulic cavities of annular, diaphragm, sealing ring, in-line composition, hydraulic cavities are arranged on hydraulic cavities located at matrix inwall, diaphragm
Inwall, sealing ring is arranged in the draw-in groove of matrix, and between matrix and diaphragm, in-line is located at intrinsic silicon, and oil-feed
The oil inlet end of pipeline is connected with the oil-in of matrix, and the oil outlet end of in-line is connected with the oil-in of hydraulic cavities；Described preposition
Band-type brake is connected with described casing by described forward flange, and described rearmounted band-type brake passes through described rear flange with casing cooperation even
Connect, and described band-type brake assembly is concentric with described main shaft, wherein preposition band-type brake is connected with main shaft；
Described latch assembly includes driving key, locking spacer, belt pulley and locking nut；Described driving key is arranged on described
On described main shaft on rear side of casing；Described locking spacer and belt pulley are connected with described driving key, and wherein locking spacer sets
Between described casing and belt pulley, and lock spacer one end be connected with the described bearing at described casing trailing flank, lock every
The set other end is connected with belt pulley；Described locking spacer is connected with described rearmounted band-type brake；Described belt pulley pass through belt with
The rotor of servomotor connects；Described locking nut is connected with the tail end of described main shaft；
Described cutterhead is arranged on the front end of described main shaft, and cutterhead is connected with described preposition band-type brake.
Preferably, described casing upper end is provided with oil-in, and box house is provided with oil line pipe, and oil-in is with oil line pipe even
Logical, oil line pipe is connected with the in-line of described band-type brake assembly.
Preferably, described main shaft tail end is provided with encoder.
The beneficial effects of the utility model are:
The main shaft tool holder that this utility model provides passes through servomotor drive shaft band movable knife disc and rotates, and servomotor exists
In the presence of encoder, main shaft is carried out indexing closed loop control, for determining indexing and the positioning precision of main shaft, and band-type brake assembly
Diaphragm is made to occur elastic deformation to hold main shaft tightly by the pressure that pressure oil produces, the band-type brake dynamics that band-type brake assembly produces can be made rapidly
Dynamic main shaft, band-type brake assembly uses cooperatively, with servomotor, indexing and the positioning precision that improve main shaft, when decreasing tool changing simultaneously
Between.
Brief description
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the sectional view of this utility model band-type brake assembly.
Fig. 3 is the schematic diagram of this utility model cutterhead.
Wherein, 1, cutterhead；2nd, preposition band-type brake；3rd, forward flange；4th, bearing；5th, outer separator；6th, inner spacing collar；7th, casing；8th, enter
Hydraulic fluid port；9th, main shaft；10th, rear flange；11st, lock spacer；12nd, rearmounted band-type brake；13rd, belt pulley；14th, driving key；15th, locking screw
Female；16th, in-line；17th, sealing ring；18th, matrix；19th, hydraulic cavities；20th, diaphragm；21st, lathe tool installation position；22nd, drill bit is installed
Position.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, this utility model is described further:
Specific embodiment one:
Shown in Fig. 1-3, main shaft tool holder disclosed in this utility model, it is as follows that it installs part: cutterhead 1 is arranged on main shaft 9
Front end, and cutterhead 1 is provided with lathe tool installation position 21 and drill bit installation position 22.
Casing 7 is provided with the through hole running through front and back sides, and the tail end of described main shaft 9 stretches out from the through hole of casing 7 trailing flank, main
Axle 9 front end is stretched out from casing 7 leading flank through hole.Main shaft 9 is provided with two bearings 4, and bearing 4 is located at the logical of the forward and backward side of casing 7
At hole, main shaft 9 is connected with casing 7 by the support of bearing 4.
Be provided with outer separator 5 and inner spacing collar 6 between bearing 4, inner spacing collar 6 is socketed on main shaft 9, outer separator 5 be socketed in every
On set 6, and outer separator 5 inwall and inner spacing collar 6 wall contacts, and outer separator 5 is all contacted with bearing 4 with inner spacing collar 6 two ends.
Flange assembly includes forward flange 3 and rear flange 10, and forward flange 3 and rear flange 10 are separately mounted to the forward and backward of casing 7
Side, holds 4 outer rings for axial lock solid axle, and forward flange 3 and rear flange 10 are all concentric with main shaft 9.
Band-type brake assembly includes preposition band-type brake 2 and rearmounted band-type brake 12, and wherein band-type brake assembly is by annular matrix 18, annular hydraulic
Chamber 19, diaphragm 20, sealing ring 17, in-line 16 form, and hydraulic cavities 19 are arranged on matrix 18 inwall, and diaphragm 20 is close to hydraulic cavities
19 inwalls, sealing ring 17 is arranged in the draw-in groove of matrix 18, and between matrix 18 and diaphragm 20, in-line 16 is located at matrix
Inside 18, and the oil inlet end of in-line 16 is connected with the oil-in of matrix 18, the oil outlet end of in-line 16 and hydraulic cavities 19
Oil-in connection.
Preposition band-type brake 2 and rearmounted band-type brake 12 are separately mounted to forward flange 3 and rear flange 10 end, and concentric with main shaft 9,
Wherein preposition band-type brake 2 is arranged on main shaft 9, is connected with main shaft 9, so that diaphragm 20 is deformed and then to main shaft 9 by pressure oil
Carry out Peripheric locking.
Main shaft 9 tail end side is provided with driving key 14, driving key 14 is provided with locking spacer 11 and belt pulley 13, wherein
Driving key 14 is used for the circumferential position of fixing locking spacer 11.
Locking spacer 11 is located between casing 7 and belt pulley 13, and locks the bearing of spacer 11 one end and casing 7 trailing flank
4 connections, the other end is connected with belt pulley 13, and locking spacer 11 outer surface is connected with rearmounted band-type brake 12 inwall, rearmounted band-type brake
12 pass through locking spacer 11 carries out Peripheric locking to main shaft 9.
Belt pulley 13 is connected with servo motor rotor by belt, drives servomotor, and belt pulley 13 rotates, belt pulley 13
Main shaft 9 and locking spacer 11 are transferred the motion to by driving key 14, wherein servomotor is used for main shaft 9 being carried out radially index
With circumferentially positioned.
The end of main shaft 9 external part is provided with locking nut 15, and locking nut 15 passes through to lock belt pulley 13 and then lock shaft
Hold 4 inner rings.Can also increase by an encoder in main shaft 9 afterbody, main shaft 9 is connected with encoder, form the closed loop control of main shaft 9 indexing
System, further increases indexing and the positioning precision of main shaft 9.
In the present embodiment, the operation principle of band-type brake assembly is as follows: during band-type brake component operation, the high-pressure and hydraulic of fuel tank be passed through into
To hydraulic cavities 19 and locked-in stress, high pressure makes diaphragm 20 that elastic deformation to occur to oil pipe line 16, then utilize diaphragm 20 shape and
The change of size carries out axially locked to main shaft 9.When band-type brake assembly quits work, stop being passed through hydraulic oil, and discharge hydraulic cavities
Pressure in 19, the hydraulic oil in hydraulic cavities 19 is back to fuel tank, and diaphragm 20 recoils to original shape, and band-type brake contacts.
The processing technique of band-type brake assembly is as follows: band-type brake assembly is Combined machining part, includes matrix 18, hydraulic cavities 19, film
Piece 20,17 4 kinds of accessories of sealing ring.After in band-type brake assembly, the processing of each part puts in place, then put into after the completion of each assembling parts
Diaphragm 20 endoporus of lathe grinding band-type brake assembly is to desired size (0.06mm less than main shaft 9 band-type brake), then entering to matrix 18
Oil pipe line 16 is passed through 2.0mpa hydraulic oil locked-in stress, continue diaphragm 20 hole size of grinding band-type brake assembly to 9 armfuls of main shaft
The identical rear release of gate assembly excircle dimension, that is, complete to process.When installing the band-type brake assembly machining, need to be passed through 3.0mpa's
Hydraulic oil.
Embodiment two
This embodiment is that casing 7 upper surface arranges hydraulic oil oil-in 8 with the difference of embodiment one, and casing 7 is internal to be installed
Oil line pipe, the oil-in 8 of hydraulic oil is connected with oil line pipe, the oil-feed of oil line pipe and preposition band-type brake 2 and rearmounted band-type brake 12
Pipeline 16 all connects.Hydraulic oil enters in-line 16 from the oil-in 8 of casing 7, and then reaching in hydraulic cavities 19 makes band-type brake
Diaphragm 20 in assembly produces elastic deformation, then makes band-type brake assembly 2 along diaphragm 20 endoporus week using the elastic deformation of diaphragm 20
To holding main shaft 9 and locking spacer 11, and then realize being accurately positioned.
For a person skilled in the art, can technical scheme as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the guarantor that all should belong to this utility model claim
Within the scope of shield.
Claims (3)
1. a kind of main shaft tool holder it is characterised in that: include main shaft, casing, flange assembly, band-type brake assembly, latch assembly and knife
Disk；
Described main shaft is provided with two bearings, outer separator and inner spacing collar, wherein outer separator and inner spacing collar between two bearings；
Described outer separator is arranged on described main shaft, and described inner spacing collar is arranged between outer separator and main shaft, and outer separator and inner spacing collar
Two ends are all connected with described bearing；
Former and later two sides of described casing are provided with the through hole running through casing, and described main shaft is connected with casing by described bearing, its
In two bearings be located at the through hole of casing both sides respectively；Described main shaft tail end stretches out from casing backside via, front-end of spindle from
Cabinet front through hole stretches out；
Described flange assembly includes forward flange and rear flange, forward flange and rear flange be separately mounted to described casing leading flank and
Trailing flank, and flange assembly is concentric with described main shaft；
Described band-type brake assembly includes preposition band-type brake and rearmounted band-type brake, wherein preposition band-type brake and rearmounted band-type brake by annular matrix,
The hydraulic cavities of annular, diaphragm, sealing ring, in-line composition, located at matrix inwall, diaphragm is arranged on hydraulic pressure intracavity to hydraulic cavities
Wall, sealing ring is arranged in the draw-in groove of matrix, and between matrix and diaphragm, in-line is located at intrinsic silicon, and oil inlet pipe
The oil inlet end on road is connected with the oil-in of matrix, and the oil outlet end of in-line is connected with the oil-in of hydraulic cavities；Described preposition armful
Lock is connected with described casing by described forward flange, and described rearmounted band-type brake is connected by described rear flange and casing,
And described band-type brake assembly is concentric with described main shaft, wherein preposition band-type brake is connected with main shaft；
Described latch assembly includes driving key, locking spacer, belt pulley and locking nut；Described driving key is arranged on described casing
On the described main shaft of rear side；Described locking spacer and belt pulley are connected with described driving key, and wherein locking spacer is located at institute
State between casing and belt pulley, and lock spacer one end and be connected with the described bearing at described casing trailing flank, locking spacer is another
One end is connected with belt pulley；Described locking spacer is connected with described rearmounted band-type brake；Described belt pulley passes through belt and servo
The rotor of motor connects；Described locking nut is connected with the tail end of described main shaft；
Described cutterhead is arranged on the front end of described main shaft, and cutterhead is connected with described preposition band-type brake.
2. main shaft tool holder according to claim 1 it is characterised in that: described casing upper end is provided with oil-in, in casing
Portion is provided with oil line pipe, and oil-in is connected with oil line pipe, and oil line pipe is connected with the in-line of described band-type brake assembly.
3. main shaft tool holder according to claim 1 it is characterised in that: described main shaft tail end is provided with encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706519.6U CN205888099U (en) | 2016-07-05 | 2016-07-05 | Main shaft cutting off tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706519.6U CN205888099U (en) | 2016-07-05 | 2016-07-05 | Main shaft cutting off tool rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205888099U true CN205888099U (en) | 2017-01-18 |
Family
ID=57771108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620706519.6U Active CN205888099U (en) | 2016-07-05 | 2016-07-05 | Main shaft cutting off tool rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205888099U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670520A (en) * | 2017-02-21 | 2017-05-17 | 台州开启精密机械有限公司 | Stably-running lathe tool turret assembly |
| CN108857465A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | Five shaft platform of oil pressure cantilever and its design method for processing mobile phone product |
| CN111014746A (en) * | 2019-12-25 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN117415343A (en) * | 2023-12-06 | 2024-01-19 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
-
2016
- 2016-07-05 CN CN201620706519.6U patent/CN205888099U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670520A (en) * | 2017-02-21 | 2017-05-17 | 台州开启精密机械有限公司 | Stably-running lathe tool turret assembly |
| CN108857465A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | Five shaft platform of oil pressure cantilever and its design method for processing mobile phone product |
| CN108857465B (en) * | 2018-07-25 | 2023-11-28 | 科益展智能装备有限公司 | Design method of oil pressure cantilever five-axis platform for processing mobile phone parts |
| CN111014746A (en) * | 2019-12-25 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN111014746B (en) * | 2019-12-25 | 2021-08-10 | 保定向阳航空精密机械有限公司 | Internal hydraulic floating expansion sleeve |
| CN117415343A (en) * | 2023-12-06 | 2024-01-19 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
| CN117415343B (en) * | 2023-12-06 | 2024-04-26 | 无锡阳光精机股份有限公司 | Built-in main shaft of motor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |