CN209062152U - A kind of air-flotation electric spindle structure - Google Patents
A kind of air-flotation electric spindle structure Download PDFInfo
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- CN209062152U CN209062152U CN201821731636.3U CN201821731636U CN209062152U CN 209062152 U CN209062152 U CN 209062152U CN 201821731636 U CN201821731636 U CN 201821731636U CN 209062152 U CN209062152 U CN 209062152U
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Abstract
The utility model discloses a kind of air-flotation electric spindle structures, it includes steel cylinder, preceding air-bearing is equipped in steel cylinder, air-bearing afterwards, stator winding and central spindle, pull rod is equipped in central spindle, the front end of pull rod is connected to knife handle, the rear end of steel cylinder is fixed with back-cover, the rear end of pull rod extends in back-cover, push rod is equipped in back-cover, cylinder includes piston rod and piston, piston rod, push rod, be formed at the center of pull rod and knife handle be sequentially communicated unload knife gas port, the back side of cylinder is equipped with and unloads knife gas nozzle, knife gas nozzle is unloaded for the injecting compressed air into the space on rear side of piston, piston is driven by the compressed air, piston rod, push rod and pull rod Forward, to drive knife handle and cutter to unclamp, compressed air blows to cutter in knife handle by unloading knife gas port simultaneously, to drive cutter to fall off.The utility model by center blow in the way of realize broaching tool, to be convenient for changing cutter, reduce operation difficulty, while improving main shaft stability, machining accuracy and cutter life.
Description
Technical field
The utility model relates to electro spindle more particularly to a kind of air-flotation electric spindle structures.
Background technique
In the prior art, Precision Machining is higher to the bearing requirements in high-speed cutting, grinding application, right in 3C industry
Speed Grinding puts forward higher requirements and it is expected.Wherein, electro spindle is a kind of equipment with sliding bearing mechanism, tool
There are the advantages such as higher precision, high speed, low vibration and cleaning, applies process occasion in modern machine more and more widely.It passes
The electro spindle of system, structure is complicated for tool-broaching mechanism used, it has not been convenient to operate, the broaching tool mode of this complexity affects the longevity of cutter
Life, while claw pulling mechanism difficulty of processing is larger, it is difficult to meet application demand.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, be provided and a kind of blown using center
The mode of gas realizes broaching tool, thus be convenient for changing cutter, reduce operation difficulty, while improve main shaft stability, machining accuracy and
The air-flotation electric spindle structure of cutter life.
In order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of air-flotation electric spindle structure comprising have a steel cylinder, be equipped in the steel cylinder preceding air-bearing, rear air-bearing,
Stator winding and central spindle, the preceding air-bearing are fixed on the front end of the steel cylinder, and the rear air-bearing is fixed on the steel
The rear end of cylinder, the stator winding are set between the preceding air-bearing and rear air-bearing, and the central spindle sequentially passes through described
Preceding air-bearing, stator winding and rear air-bearing, the central spindle is in hollow form, and pull rod, the axis are equipped in the central spindle
Knife handle is equipped at the front opening of core, the front end of the pull rod is connected to the knife handle, and the rear end of the steel cylinder is fixed with back-cover,
The rear end of the back-cover is fixed with cylinder, and the side wall of the side wall of the cylinder, the side wall of back-cover and steel cylinder, which offers, to be sequentially communicated
Air flue, the first pressure channel of the preceding air-bearing and the second pressure channel of rear air-bearing are connected to the gas
Road, the rear end of the pull rod extend in the back-cover, push rod are equipped in the back-cover, the cylinder includes piston rod and work
It fills in, the back-cover hole for passing through the push rod and piston rod, the piston rod, push rod and pull rod is offered at the top of the back-cover
Coaxial arrangement and three successively abuts, the piston rod, push rod, pull rod and knife handle center at be formed be sequentially communicated unload knife
Gas port, the back side of the cylinder, which is equipped with, unloads knife gas nozzle, and the knife gas nozzle that unloads into the space on rear side of the piston for injecting
Compressed air drives the piston, piston rod, push rod and pull rod to move forward by the compressed air, to drive knife handle and cutter pine
It opens, while compressed air blows to cutter in knife handle by unloading knife gas port, to drive cutter to fall off.
Preferably, the rear end of the pull rod is fixed with packet handle, and the packet handle and the inner wall of the central spindle are slidably connected, described
Knife gas port is unloaded through the rear and front end of the packet handle.
Preferably, the diameter of the packet handle is greater than the diameter of the pull rod.
Preferably, butterfly spring component is arranged on the pull rod, the front end of the butterfly spring component is connected to described
The inner wall of central spindle, the rear end of the butterfly spring component are connected to the packet handle.
Preferably, be arranged with 2 sealing rings on the packet handle, 2 sealing rings respectively close to the packet handle rear and front end,
The packet handle, which is located between 2 sealing rings, is partially covered with lubricant grease.
Preferably, the central spindle includes front, middle part and rear portion, the diameter of the front, middle part and rear portion according to
Secondary reduction, to enable the outer surface of the central spindle stepped.
Preferably, rotor cage is arranged on the middle part, the rotor cage is aligned with the stator winding.
Preferably, the back side of the cylinder, which is equipped with, resets gas nozzle, and the side wall of the cylinder offers reset air flue, described multiple
One end of position air flue is connected to the reset gas nozzle, and the other end for resetting air flue is connected to the front side of the piston.
Preferably, the preceding air-bearing includes the first air inlet and first row stomata, the preceding air-bearing it is interior
Side wall offers multiple first segment discharge orifices, and first air inlet is connected to the air flue, first air inlet, multiple first
Throttle orifice and first row stomata are interconnected.
Preferably, air-bearing includes the second air inlet and second row stomata after described, it is described after air-bearing it is interior
Side wall offers multiple second throttle orifices, and second air inlet is connected to the air flue, second air inlet, multiple second
Throttle orifice and second row stomata are interconnected.
In air-flotation electric spindle structure disclosed by the utility model, coaxial configuration is set by piston rod, push rod and pull rod, is had
The thrust for helping cylinder application is conducted to knife handle, while knife is unloaded in setting at the center of the piston rod, push rod, pull rod and knife handle
Gas port, when user needs to unload knife, only need to unload knife gas nozzle injection compression sky to described to form the structure of center air guide
Gas, compressed air drive effect under, enable the piston, piston rod, push rod and pull rod Forward so that the front end of pull rod pushes
The knife handle, to drive knife handle and cutter to unclamp, while compressed air also blows to cutter in knife handle by unloading knife gas port, makes
It obtains cutter to fall off under airflow function, is based on above structure, greatly facilitate user unloads knife, tool changing operation, effectively reduces
Operation difficulty, and it is avoided that damage cutter, and then improve cutting-tool's used life, meanwhile, the knife movement of unloading of cylinder is blown with center
Gas uses same gas circuit, has better meet synchronous requirement, in addition, the utility model uses bearing of the air-bearing as central spindle
Mechanism is lubricated because being realized between air-bearing and central spindle with air, thus greatly reduces frictional force between the two, mention significantly
The high stability of main shaft, machining accuracy and processing efficiency, have better meet application demand.
Detailed description of the invention
Fig. 1 is the cross-sectional view one of the utility model air-flotation electric spindle;
Fig. 2 is the cross-sectional view two of the utility model air-flotation electric spindle;
Fig. 3 is the cross-sectional view of central spindle;
Fig. 4 is the exploded view of central spindle and pull rod;
Fig. 5 is the perspective view one of preceding air-bearing;
Fig. 6 is the perspective view two of preceding air-bearing;
Fig. 7 is the perspective view of rear air-bearing;
Fig. 8 is the cross-sectional view of rear air-bearing.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of air-flotation electric spindle structures, in conjunction with shown in Fig. 1 to Fig. 8 comprising have steel cylinder 1, institute
It states and is equipped with preceding air-bearing 2, rear air-bearing 3, stator winding 4 and central spindle 5 in steel cylinder 1, the preceding air-bearing 2 is fixed on institute
The front end of steel cylinder 1 is stated, the rear air-bearing 3 is fixed on the rear end of the steel cylinder 1, and the stator winding 4 is set to the preceding gas
Floating axle is held between 2 and rear air-bearing 3, and the central spindle 5 sequentially passes through the preceding air-bearing 2, stator winding 4 and rear air-bearing shafts
3 are held, the central spindle 5 is in hollow form, and pull rod 6 is equipped in the central spindle 5, knife handle 7 is equipped at the front opening of the central spindle 5,
The front end of the pull rod 6 is connected to the knife handle 7, and the rear end of the steel cylinder 1 is fixed with back-cover 8, and the rear end of the back-cover 8 is fixed
There is cylinder 9, the side wall of the side wall of the cylinder 9, the side wall of back-cover 8 and steel cylinder 1 offers the air flue 10 being sequentially communicated, before described
First pressure channel 25 of air-bearing 2 and the second pressure channel 35 of rear air-bearing 3 are connected to the air flue 10, described
The rear end of pull rod 6 extends in the back-cover 8, is equipped with push rod 80 in the back-cover 8, the cylinder 9 includes 90 He of piston rod
Piston 91, the top of the back-cover 8 offer the back-cover hole 81 for passing through the push rod 80 and piston rod 90, the piston rod
90, push rod 80 and pull rod 6 are coaxially disposed and three successively abuts, the center of the piston rod 90, push rod 80, pull rod 6 and knife handle 7
Place be formed be sequentially communicated unload knife gas port 60, the back side of the cylinder 9, which is equipped with, unloads knife gas nozzle 92, described to unload the use of knife gas nozzle 92
In the injecting compressed air into the space of 91 rear side of the piston, by the compressed air drive the piston 91, piston rod 90,
Push rod 80 and pull rod 6 move forward, and to drive knife handle 7 and cutter to unclamp, while compressed air blows to knife handle 7 by unloading knife gas port 60
Interior cutter, to drive cutter to fall off.
In above-mentioned air-flotation electric spindle structure, coaxial configuration is set by piston rod 90, push rod 80 and pull rod 6, facilitates gas
The thrust that cylinder applies is conducted to knife handle 7, while being arranged at the center of the piston rod 90, push rod 80, pull rod 6 and knife handle 7 and being unloaded
Knife gas port 60, when user needs to unload knife, only need to unload the injection pressure of knife gas nozzle 92 to described to form the structure of center air guide
Contracting air, compressed air drive effect under, enable the piston 91, piston rod 90, push rod 80 and pull rod 6 move forward, so that drawing
The front end of bar 6 pushes the knife handle 7, and to drive knife handle 7 and cutter to unclamp, while compressed air is also blown by unloading knife gas port 60
Cutter into knife handle 7 is based on above structure, greatly facilitates unloading knife, changing for user so that cutter falls off under airflow function
Knife operation, effectively reduces operation difficulty, and be avoided that damage cutter, and then improves cutting-tool's used life, meanwhile, cylinder 9
Unload knife movement and center blow use same gas circuit, better meet synchronous requirement, in addition, the utility model use air bearing
Both Bearning mechanism of the bearing as central spindle is lubricated because being realized between air-bearing and central spindle with air, thus greatly reduce
Between frictional force, substantially increase the stability, machining accuracy and processing efficiency of main shaft, better meet application demand.
In the present embodiment, in conjunction with shown in Fig. 1, Fig. 3 and Fig. 4, the rear end of the pull rod 6 is fixed with packet handle 61, the packet handle
61 are slidably connected with the inner wall of the central spindle 5, and the knife gas port 60 that unloads is through the rear and front end of the packet handle 61.
The diameter of the packet handle 61 is greater than the diameter of the pull rod 6 as a preferred method,.Further, the drawing
Butterfly spring component 62 is arranged on bar 6, the front end of the butterfly spring component 62 is connected to the inner wall of the central spindle 5, described
The rear end of butterfly spring component 62 is connected to the packet handle 61.After the reset of cylinder 9, made using the elasticity of butterfly spring component 62
With, pull rod 6 can be driven to pull back knife handle 7, thus realize automatically reset, automatic upper slitter operation, the present embodiment is in the packet handle
Under the action of 61, can the rear end preferably with butterfly spring component 62 abut against, in order to butterfly spring component 62 apply bullet
Power.
Be arranged on the packet handle 61 as a preferred method, 2 sealing rings, 610,2 sealing rings 610 respectively close to
The rear and front end of the packet handle 61, the packet handle 61, which is located between 2 sealing rings 610, is partially covered with lubricant grease.At 2
Under the action of sealing ring 610, the close contact between packet handle and central spindle ensure that, effectively prevent sending out in electro spindle operation process
The case where raw pull rod shake, to guarantee that electro spindle steadily operates, and calorific value is effectively reduced, alleviate spindle vibration, had
Effect reduces the abrasion between component, in addition, may make the junction of packet handle 61 and central spindle more under the action of lubricant grease
It is smooth.
In the present embodiment, the central spindle 5 includes front 50, middle part 51 and rear portion 52, the front 50, middle part 51
It is sequentially reduced with the diameter at rear portion 52, to enable the outer surface of the central spindle 5 stepped.The present embodiment designs the central spindle 5
It is front end compared with thick, the thinner structure in rear end, since the diameter of front 50 is greater than the diameter of middle part 51 and rear portion 52, so that front
50 weight is greater than the weight at rear portion, during electro spindle runs at high speed, substantially increases the bearing capacity of front, and then improve
Grinding performance, simultaneously because front 50 is thicker compared to rear portion, so shorten the distance between front 50 and steel cylinder 1,
The heat transference efficiency for effectively increasing steel cylinder 1 Yu front 50 helps to radiate to electro spindle front end, has ensured that electro spindle is steady
Determine, reliably carry out grinding.
In the present embodiment, be arranged with rotor cage 53 on the middle part 51, the rotor cage 53 and the stator around
4 alignment of group.
In the present embodiment, referring to figure 2., the back side of the cylinder 9, which is equipped with, resets gas nozzle 93, and the side wall of the cylinder 9 is opened
Equipped with air flue 94 is resetted, described one end for resetting air flue 94 is connected to the reset gas nozzle 93, described to reset the another of air flue 94
End is connected to the front side of the piston 91.
About the design of air-bearing, in the present embodiment, in conjunction with shown in Fig. 5 and Fig. 6, the preceding air-bearing 2 includes
First air inlet 20 and first row stomata 21, the inner sidewall of the preceding air-bearing 2 offers multiple first segment discharge orifices 22, described
First air inlet 20 is connected to the air flue 10, first air inlet 20, multiple first segment discharge orifices 22 and first row stomata 21
It is interconnected.
In the present embodiment, referring to figs. 7 and 8, the rear air-bearing 3 includes the second air inlet 30 and second row
The inner sidewall of stomata 31, the rear air-bearing 3 offers multiple second throttle orifices 32, and second air inlet 30 is connected to institute
Air flue 10 is stated, second air inlet 30, multiple second throttle orifices 32 and second row stomata 31 are interconnected.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this
Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected
In enclosing.
Claims (10)
1. a kind of air-flotation electric spindle structure, which is characterized in that include steel cylinder (1), preceding air-bearing is equipped in the steel cylinder (1)
(2), rear air-bearing (3), stator winding (4) and central spindle (5), before the preceding air-bearing (2) is fixed on the steel cylinder (1)
End, the rear air-bearing (3) are fixed on the rear end of the steel cylinder (1), and the stator winding (4) is set to the preceding air-bearing
(2) between rear air-bearing (3), the central spindle (5) sequentially passes through the preceding air-bearing (2), stator winding (4) He Houqi
Floating axle is held (3), and the central spindle (5) is in hollow form, and is equipped with pull rod (6) in the central spindle (5), and the front end of the central spindle (5) is opened
Knife handle (7) are equipped at mouthful, the front end of the pull rod (6) is connected to the knife handle (7), and the rear end of the steel cylinder (1) is fixed with back
It covers (8), the rear end of the back-cover (8) is fixed with cylinder (9), the side wall of the cylinder (9), the side wall of back-cover (8) and steel cylinder (1)
Side wall offer the air flue (10) being sequentially communicated, the first pressure channel (25) and rear air-bearing shafts of the preceding air-bearing (2)
The second pressure channel (35) for holding (3) is connected to the air flue (10), and the rear end of the pull rod (6) extends to the back-cover
(8) in, push rod (80) are equipped in the back-cover (8), the cylinder (9) includes piston rod (90) and piston (91), the back
It is offered at the top of lid (8) for across the back-cover hole (81) of the push rod (80) and piston rod (90), the piston rod (90),
Push rod (80) and pull rod (6) are coaxially disposed and three successively abuts, the piston rod (90), push rod (80), pull rod (6) and knife handle
(7) unloading knife gas port (60) of being sequentially communicated is formed at center, the back side of the cylinder (9), which is equipped with, unloads knife gas nozzle (92),
Described unload knife gas nozzle (92) drive for the injecting compressed air into the space on rear side of the piston (91) by the compressed air
The piston (91), piston rod (90), push rod (80) and pull rod (6) Forward are pressed simultaneously with driving knife handle (7) and cutter to be unclamped
Contracting air blows to cutter in knife handle (7) by unloading knife gas port (60), to drive cutter to fall off.
2. air-flotation electric spindle structure as described in claim 1, which is characterized in that the rear end of the pull rod (6) is fixed with packet handle
(61), the packet handle (61) and the inner wall of the central spindle (5) are slidably connected, and the knife gas port (60) that unloads is through the packet handle
(61) rear and front end.
3. air-flotation electric spindle structure as claimed in claim 2, which is characterized in that the diameter of the packet handle (61) is greater than the drawing
The diameter of bar (6).
4. air-flotation electric spindle structure as claimed in claim 3, which is characterized in that be arranged with butterfly spring on the pull rod (6)
The front end of component (62), the butterfly spring component (62) is connected to the inner wall of the central spindle (5), the butterfly spring component
(62) rear end is connected to the packet handle (61).
5. air-flotation electric spindle structure as claimed in claim 3, which is characterized in that be arranged with 2 sealings on the packet handle (61)
It encloses (610), 2 sealing rings (610) are respectively close to the rear and front end of the packet handle (61), and the packet handle (61) is positioned at 2 sealings
Lubricant grease is partially covered between circle (610).
6. air-flotation electric spindle structure as described in claim 1, which is characterized in that the central spindle (5) include front (50), in
Between portion (51) and rear portion (52), the diameter of the front (50), middle part (51) and rear portion (52) is sequentially reduced, to enable the axis
The outer surface of core (5) is stepped.
7. air-flotation electric spindle structure as claimed in claim 6, which is characterized in that be arranged with rotor mouse on the middle part (51)
Cage (53), the rotor cage (53) are aligned with the stator winding (4).
8. air-flotation electric spindle structure as described in claim 1, which is characterized in that the back side of the cylinder (9), which is equipped with, resets gas
Mouth (93), the side wall of the cylinder (9), which offers, resets air flue (94), and described one end for resetting air flue (94) is connected to described multiple
Position gas nozzle (93), the other end for resetting air flue (94) are connected to the front side of the piston (91).
9. air-flotation electric spindle structure as described in claim 1, which is characterized in that the preceding air-bearing (2) includes first
The inner sidewall of air inlet (20) and first row stomata (21), the preceding air-bearing (2) offers multiple first segment discharge orifices (22),
First air inlet (20) is connected to the air flue (10), first air inlet (20), multiple first segment discharge orifices (22) and
First row stomata (21) is interconnected.
10. air-flotation electric spindle structure as described in claim 1, which is characterized in that air-bearing (3) includes second after described
The inner sidewall of air inlet (30) and second row stomata (31), the rear air-bearing (3) offers multiple second throttle orifices (32),
Second air inlet (30) is connected to the air flue (10), second air inlet (30), multiple second throttle orifices (32) and
Second row stomata (31) is interconnected.
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CN201821731636.3U CN209062152U (en) | 2018-10-24 | 2018-10-24 | A kind of air-flotation electric spindle structure |
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CN201821731636.3U CN209062152U (en) | 2018-10-24 | 2018-10-24 | A kind of air-flotation electric spindle structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109261990A (en) * | 2018-10-24 | 2019-01-25 | 深圳市爱贝科精密机械有限公司 | A kind of air-flotation electric spindle structure |
CN111085776A (en) * | 2020-01-15 | 2020-05-01 | 松山湖材料实验室 | Method and device for quickly changing air nozzle of laser equipment |
TWI739496B (en) * | 2020-07-01 | 2021-09-11 | 科茂國際股份有限公司 | Blowing cleaning device for main shaft of processing machine |
-
2018
- 2018-10-24 CN CN201821731636.3U patent/CN209062152U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109261990A (en) * | 2018-10-24 | 2019-01-25 | 深圳市爱贝科精密机械有限公司 | A kind of air-flotation electric spindle structure |
CN111085776A (en) * | 2020-01-15 | 2020-05-01 | 松山湖材料实验室 | Method and device for quickly changing air nozzle of laser equipment |
CN111085776B (en) * | 2020-01-15 | 2020-09-29 | 松山湖材料实验室 | Method and device for quickly changing air nozzle of laser equipment |
TWI739496B (en) * | 2020-07-01 | 2021-09-11 | 科茂國際股份有限公司 | Blowing cleaning device for main shaft of processing machine |
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Address after: 518111 1st and 2nd floors, building A6, silicon valley power intelligent terminal Industrial Park, No.20, Dafu Industrial Zone, Aobei community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen aibeike Precision Industry Co.,Ltd. Address before: 518111 2nd floor, building A6, silicon valley power intelligent terminal Industrial Park, 20 Dafu Industrial Zone, Aobei community, Guanlan street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ABIG PRECISION MACHINERY Co.,Ltd. |
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CP03 | Change of name, title or address |