CN110449610A - A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft - Google Patents
A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft Download PDFInfo
- Publication number
- CN110449610A CN110449610A CN201910836108.7A CN201910836108A CN110449610A CN 110449610 A CN110449610 A CN 110449610A CN 201910836108 A CN201910836108 A CN 201910836108A CN 110449610 A CN110449610 A CN 110449610A
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- Prior art keywords
- oil
- oil cylinder
- main shaft
- knife
- duct
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 162
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a kind of loose cutter holder knife oil pressure actuated mechanisms of main shaft, main shaft includes rear cover, the rear end of rear cover is fixed with oil cylinder set, oil cylinder is fixed in oil cylinder set, the rear end of oil cylinder set is fixed with oil cylinder cover, oil cylinder cover is covered in the open rearward end of oil cylinder, piston is equipped in oil cylinder, piston includes piston plate and the piston rod at piston disk center, after cover and be fixed with the first hydraulic fluid port and the second hydraulic fluid port, the first oil duct and the second oil duct are offered in rear cover, third oil duct is offered in side wall in oil cylinder set, the 4th oil duct is formed between oil cylinder rear end and oil cylinder cover, the 5th oil duct is offered in oil cylinder bottom, first hydraulic fluid port, first oil duct, third oil duct, the rear side cavity of 4th oil duct and piston plate is sequentially communicated, second hydraulic fluid port, second oil duct, the front side cavity of 5th oil duct and piston plate is sequentially communicated.The present invention can avoid vibration, reduce friction, so that main shaft precision is unaffected, while improve Main Shaft Service Life.
Description
Technical field
The present invention relates to the loose cutter holder knife oil pressure actuated mechanisms of main shaft more particularly to a kind of main shaft.
Background technique
Electro spindle needs replacing corresponding cutter when executing different functions, wherein relating to loose knife, folder knife process.
In the prior art, the loose knife of electro spindle, folder knife process, drawing is driven generally by the driving mechanism that oil cylinder, piston match
Bar slides back and forth, and then knife handle is driven to execute loose knife and folder knife movement, and such driving mechanism is usually arranged two in oil cylinder back side
A pouring orifice drives piston forward or slides backward by injecting the oil liquid of certain pressure into oil cylinder, but current
Pouring orifice is usually set up directly on oil cylinder back side by cylinder structure, and under external force, oil liquid is pressed directly into oil cylinder,
And to apply pressure perpendicular to the direction of piston plate, and then dynamic pressure process is formed, the mode of this direct punching press be easy to cause work
Plug vibration, so that larger friction occurs between piston and oil cylinder, and then causes adverse effect to main shaft precision, while can also reduce
The service life of main shaft.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiencies of the prior art, providing one kind can avoid vibration, reduces
Friction, so that main shaft precision is unaffected, while improving the loose cutter holder knife oil pressure actuated mechanism of Main Shaft Service Life.
In order to solve the above technical problems, the present invention adopts the following technical scheme that.
A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft, the main shaft includes rear cover, and the rear end of the rear cover is fixed
There is oil cylinder set, oil cylinder is fixed in the oil cylinder set, the rear end of the oil cylinder set is fixed with oil cylinder cover, and the oil cylinder cover is covered in
The open rearward end of the oil cylinder simultaneously forms sealing cavity, and the front end of the oil cylinder is formed with oil cylinder bottom, is equipped in the oil cylinder
Piston, the piston include that piston plate and the piston rod at the piston disk center, the front end of the piston rod are worn
It crosses the oil cylinder bottom and the two is slidably connected, the rear end of the piston rod passes through the oil cylinder cover and the two is slidably connected, institute
It is covered after stating and is fixed with the first hydraulic fluid port and the second hydraulic fluid port, the first oil duct and the second oil duct, the oil cylinder are offered in the rear cover
Third oil duct is offered in side wall in set, and the 4th oil duct, the oil are formed between the oil cylinder rear end and the oil cylinder cover
Offer the 5th oil duct in cylinder bottom portion, first hydraulic fluid port, the first oil duct, third oil duct, the 4th oil duct and the piston plate
Rear side cavity is sequentially communicated, second hydraulic fluid port, the second oil duct, the 5th oil duct and the piston plate front side cavity successively connect
It is logical, when the oil liquid of first hydraulic fluid port injection preset pressure, the piston forward slip is driven, to enable the main shaft execute pine
Knife movement drives the piston to slide backward, when the oil liquid of second hydraulic fluid port injection preset pressure to enable the main shaft hold
Row folder knife movement.
Preferably, loose knife pallet is fixed on the inside of the rear cover, the front end of the oil cylinder is connected to the loose knife pallet
And the two sealing cooperation.
Preferably, the lateral wall of the oil cylinder offers oil storage tank, and the oil cylinder set is covered in the oil storage tank, the storage
Oil groove is surrounded on the oil cylinder.
Preferably, the outage is pore.
Preferably, the front and rear surfaces of the piston plate offer oil storage recess.
Preferably, the oil storage recess is annular in shape.
Preferably, first oil duct is " u "-shaped oil duct.
Preferably, second oil duct, third oil duct and the 5th oil duct are L shape oil duct.
Preferably, first hydraulic fluid port and the second hydraulic fluid port are divided into the two sides of the oil cylinder set.
In the loose cutter holder knife oil pressure actuated mechanism of main shaft disclosed by the invention, oil cylinder is equipped in the outer sheath of the oil cylinder
Set, at the same by first hydraulic fluid port and the second hydraulic fluid port be fixed on it is described after cover, main shaft is when executing loose knife movement, Xiang Suoshu the
One hydraulic fluid port injects the oil liquid of preset pressure, and oil liquid injects the piston plate via the first oil duct, third oil duct and the 4th oil duct
Rear side cavity, and then drive the piston driving pull rod forward slip；Main shaft is when executing folder knife movement, the second hydraulic fluid port of Xiang Suoshu
The oil liquid of preset pressure is injected, oil liquid injects the front side cavity of the piston plate via second oil duct and the 5th oil duct, into
And the piston driving pull rod is driven to slide backward.Compared to existing technologies, the present invention is from side to injection oil liquid, and oil liquid is to institute
The flow direction of the pressure direction and oil liquid of stating piston plate application is perpendicular, so that static pressure process is formed, in addition, oil liquid is by each
Oil duct enters in oil cylinder after repeatedly transferring, and alleviates the impulse force of oil liquid significantly during multiple turnover, so that into oil cylinder
Oil liquid be further formed static pressure, for the mode compared to direct punching press, the present invention can effectively make piston area have more
Even pressure effectively prevent between piston and oil cylinder that larger friction occurs because of inclination；The cylinder component floating support in loose knife simultaneously
Firmly rotor core makes main shaft bearing not carry Song Daoli, increases bearing life, is not only avoided that and causes bad shadow to main shaft precision
It rings, and is able to extend the service life of main shaft.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the present invention loose cutter holder knife oil pressure actuated mechanism.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of loose cutter holder knife oil pressure actuated mechanisms of main shaft, referring to Figure 1, after the main shaft includes
Lid 1, the rear end of the rear cover 1 are fixed with oil cylinder set 2, and oil cylinder 3 is fixed in the oil cylinder set 2, and the rear end of the oil cylinder set 2 is solid
Surely there is oil cylinder cover 4, the oil cylinder cover 4 is covered in the open rearward end of the oil cylinder 3 and forms sealing cavity, before the oil cylinder 3
End is formed with oil cylinder bottom 30, is equipped with piston 5 in the oil cylinder 3, and the piston 5 includes piston plate 50 and is located at the work
The piston rod 51 at 50 center of disk is filled in, the front end of the piston rod 51 passes through the oil cylinder bottom 30 and the two is slidably connected, institute
The rear end for stating piston rod 51 passes through the oil cylinder cover 4 and the two and is slidably connected, and the first hydraulic fluid port 6 and the are fixed on the rear cover 1
Two hydraulic fluid ports 7 offer the first oil duct 8 and the second oil duct 9 in the rear cover 1, offer third in the side wall in the oil cylinder set 2
Oil duct 20 is formed with the 4th oil duct 31, offers in the oil cylinder bottom 30 between 3 rear end of oil cylinder and the oil cylinder cover 4
5th oil duct 32, first hydraulic fluid port 6, the first oil duct 8, third oil duct 20, the 4th oil duct 31 and the piston plate 50 rear side
Cavity is sequentially communicated, second hydraulic fluid port 7, the second oil duct 9, the 5th oil duct 32 and the piston plate 50 front side cavity successively connect
It is logical, when the oil liquid of first hydraulic fluid port 6 injection preset pressure, 5 forward slip of piston is driven, to enable the main shaft execute
Loose knife movement drives the piston 5 to slide backward, when the oil liquid of second hydraulic fluid port 7 injection preset pressure to enable the master
Axis executes folder knife movement.
In said mechanism, it is equipped with oil cylinder set 2 in the outer sheath of the oil cylinder 3, while first hydraulic fluid port 6 and second is oily
Mouth 7 is fixed on the rear cover 1, and for main shaft when executing loose knife movement, the first hydraulic fluid port of Xiang Suoshu 6 injects the oil liquid of preset pressure,
Oil liquid injects the rear side cavity of the piston plate 50 via the first oil duct 8, third oil duct 20 and the 4th oil duct 31, and then drives institute
It states piston 5 and drives pull rod forward slip；For main shaft when executing folder knife movement, the second hydraulic fluid port of Xiang Suoshu 7 injects the oil of preset pressure
Liquid, oil liquid injects the front side cavity of the piston plate 50 via second oil duct 9 and the 5th oil duct 32, and then drives the work
5 drive pull rod of plug slides backward.Compared to existing technologies, the present invention is from side to injection oil liquid, and oil liquid is to the piston plate 50
The pressure direction of application and the flow direction of oil liquid are perpendicular, so that static pressure process is formed, in addition, oil liquid is multiple by each oil duct
Enter in oil cylinder after turnover, alleviate the impulse force of oil liquid significantly during multiple turnover so that into in-oil cylinder oil liquid into
One step forms static pressure, and for the mode compared to direct punching press, the present invention can effectively make piston area have pressure more evenly,
It effectively prevent between piston and oil cylinder that larger friction occurs because of inclination；In loose knife, cylinder component floating holds rotor core simultaneously,
So that main shaft bearing is not carried Song Daoli, increases bearing life, be not only avoided that and adverse effect is caused to main shaft precision, but also can
Extend the service life of main shaft.
In order to play the role of carrying to oil cylinder 3, in the present embodiment, the inside of the rear cover 1 is fixed with loose knife pallet 10, institute
The front end for stating oil cylinder 3 is connected to the loose knife pallet 10 and the two sealing cooperation.12 rear end of rotor of the main shaft is fixed with pine
Knife position-arresting disk 11, the pine knife position-arresting disk 11 are located at loose 10 inside of knife pallet and have gap therebetween, the pine knife
The inside of pallet 10 is formed with baffle ring 13, and the baffle ring 13 is located at the front side of the loose knife position-arresting disk 11 and has therebetween pre-
If the gap of width.Wherein, both loose knife position-arresting disks 11 are equipped in the loose knife pallet 10 above step surface in main spindle clamp tool
When there are biggish gaps, so that loose knife position-arresting disk is not generated friction when rotating with rotor core, the loose knife position-arresting disk 11 passes through
Screw hole is fixed on rotor breech face, and in main shaft knife loosening, the pine knife position-arresting disk 11 is kept out in baffle ring 13, so that on rotor
The bearing of installation is not subject to loose knife thrust.
In the present embodiment, the lateral wall of the oil cylinder 3 offers oil storage tank 33, and the oil cylinder set 2 is covered in the oil storage
Slot 33, the oil storage tank 33 are surrounded on the oil cylinder 3.The oil storage tank 33 is looped around between oil cylinder set and oil cylinder, presss from both sides knife, loose knife
During, this oil storage tank make cylinder component automatic capturing center and piston top appear with by the parallel of top surface.
In order to be collected to the oil liquid oozed out between oil cylinder 3 and oil cylinder set 2, in the present embodiment, after the oil cylinder cover 4
End face offers oil seepage slot 34, and the side wall of the oil cylinder set 2 offers outage 21, and the outage 21 is connected to the permeability
Slot 34.
Oil liquid for the ease of that will ooze out is discharged, and in the present embodiment, the side wall of the oil cylinder set 2 offers outage 21,
The outage 21 is connected to the oil storage tank 33.
The outage 21 is pore as a preferred method,.
In the present embodiment, the front and rear surfaces of the piston plate 50 offer oil storage recess 52.The oil storage recess 52 helps
Enter the cavity of about 50 two sides of piston plate in oil liquid.
Further, the oil storage recess 52 is annular in shape.
As a kind of preferred structure, in the present embodiment, first oil duct 8 is " u "-shaped oil duct.
Further, second oil duct 9, third oil duct 20 and the 5th oil duct 32 are L shape oil duct.
The present embodiment on oil cylinder without being arranged hydraulic fluid port, and the size that oil cylinder and oil cylinder are covered is more compact, specifically
Ground, first hydraulic fluid port 6 and the second hydraulic fluid port 7 are divided into the two sides of the oil cylinder set 2.
The above is preferred embodiments of the present invention, is not intended to restrict the invention, all in technology model of the invention
Interior done modification, equivalent replacement or improvement etc. are enclosed, should be included in the range of of the invention protect.
Claims (10)
1. a kind of loose cutter holder knife oil pressure actuated mechanism of main shaft, the main shaft include rear cover (1), which is characterized in that after described
The rear end of lid (1) is fixed with oil cylinder set (2), is fixed with oil cylinder (3) in the oil cylinder set (2), and the rear end of the oil cylinder set (2) is solid
Surely have oil cylinder cover (4), the oil cylinder cover (4) is covered in the open rearward end of the oil cylinder (3) and forms sealing cavity, the oil cylinder
(3) front end is formed with oil cylinder bottom (30), is equipped with piston (5) in the oil cylinder (3), the piston (5) includes piston plate
(50) and the piston rod (51) at the piston plate (50) center, the front end of the piston rod (51) pass through the oil cylinder
The rear end of bottom (30) and the two is slidably connected, the piston rod (51) passes through the oil cylinder cover (4) and the two is slidably connected, institute
It states and is fixed with the first hydraulic fluid port (6) and the second hydraulic fluid port (7) on rear cover (1), the first oil duct (8) and the are offered in the rear cover (1)
Two oil ducts (9) offer third oil duct (20) in the side wall in the oil cylinder set (2), oil cylinder (3) rear end and the oil cylinder
It is formed with the 4th oil duct (31) between lid (4), offers the 5th oil duct (32), first hydraulic fluid port in the oil cylinder bottom (30)
(6), the rear side cavity of the first oil duct (8), third oil duct (20), the 4th oil duct (31) and the piston plate (50) is sequentially communicated,
Second hydraulic fluid port (7), the second oil duct (9), the 5th oil duct (32) and the piston plate (50) front side cavity be sequentially communicated, when
When the oil liquid of the first hydraulic fluid port (6) injection preset pressure, the piston (5) forward slip is driven, to enable the main shaft execute
Loose knife movement drives the piston (5) to slide backward, when the oil liquid of second hydraulic fluid port (7) injection preset pressure to enable
It states main shaft and executes folder knife movement.
2. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that the rear cover (1) it is interior
Side is fixed with loose knife pallet (10), and the front end of the oil cylinder (3) is connected to the loose knife pallet (10) and the two sealing cooperation, institute
Rotor (12) rear end for stating main shaft is fixed with loose knife position-arresting disk (11), and the pine knife position-arresting disk (11) is located at the loose knife pallet
(10) inside and there is therebetween gap, is formed with baffle ring (13) on the inside of pine knife pallet (10), the baffle ring (13)
Front side and the gap between the two with predetermined width positioned at the loose knife position-arresting disk (11).
3. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that outside the oil cylinder (3)
Side wall offers oil storage tank (33), and the oil cylinder set (2) is covered in the oil storage tank (33), and the oil storage tank (33) is surrounded on institute
State oil cylinder (3).
4. the loose cutter holder knife oil pressure actuated mechanism of main shaft as claimed in claim 3, which is characterized in that the oil cylinder cover (4)
Rear end face offers oil seepage slot (34), and the side wall of the oil cylinder set (2) offers outage (21), outage (21) connection
In the oil seepage slot (34).
5. the loose cutter holder knife oil pressure actuated mechanism of main shaft as claimed in claim 4, which is characterized in that the outage (21) is
Pore.
6. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that the piston plate (50)
Front and rear surfaces offer oil storage recess (52).
7. the loose cutter holder knife oil pressure actuated mechanism of main shaft as claimed in claim 6, which is characterized in that the oil storage recess (52)
Annularly.
8. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that first oil duct (8)
For " u "-shaped oil duct.
9. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that second oil duct (9),
Third oil duct (20) and the 5th oil duct (32) are L shape oil duct.
10. the loose cutter holder knife oil pressure actuated mechanism of main shaft as described in claim 1, which is characterized in that first hydraulic fluid port (6)
The two sides of the oil cylinder set (2) are divided into the second hydraulic fluid port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836108.7A CN110449610A (en) | 2019-09-05 | 2019-09-05 | A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836108.7A CN110449610A (en) | 2019-09-05 | 2019-09-05 | A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110449610A true CN110449610A (en) | 2019-11-15 |
Family
ID=68490803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910836108.7A Withdrawn CN110449610A (en) | 2019-09-05 | 2019-09-05 | A kind of loose cutter holder knife oil pressure actuated mechanism of main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110449610A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299621A (en) * | 2020-04-07 | 2020-06-19 | 上海法音机电科技有限公司 | Main shaft with bearing unloading function |
| WO2022156091A1 (en) * | 2021-01-25 | 2022-07-28 | 广州市昊志机电股份有限公司 | Electric spindle core assembly, electric spindle and machine tool |
-
2019
- 2019-09-05 CN CN201910836108.7A patent/CN110449610A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299621A (en) * | 2020-04-07 | 2020-06-19 | 上海法音机电科技有限公司 | Main shaft with bearing unloading function |
| WO2022156091A1 (en) * | 2021-01-25 | 2022-07-28 | 广州市昊志机电股份有限公司 | Electric spindle core assembly, electric spindle and machine tool |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191115 |
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| WW01 | Invention patent application withdrawn after publication |