CN211638331U - Mechanical main shaft based on central water cooling and central air blowing - Google Patents
Mechanical main shaft based on central water cooling and central air blowing Download PDFInfo
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- CN211638331U CN211638331U CN201922133590.6U CN201922133590U CN211638331U CN 211638331 U CN211638331 U CN 211638331U CN 201922133590 U CN201922133590 U CN 201922133590U CN 211638331 U CN211638331 U CN 211638331U
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Abstract
The utility model discloses a mechanical main shaft based on center water-cooling and center are blown, it is including the steel cylinder, be equipped with preceding bearing assembly in the steel cylinder, back bearing assembly and bearing spacer ring subassembly, the rotor of cavity form is worn to be equipped with in the center department of bearing spacer ring subassembly, the handle of a knife is installed to the front end of rotor, the rear end of steel cylinder is equipped with the back of the body lid, the rear end of back of the body lid is fixed with the hydro-cylinder, the rear end of hydro-cylinder is fixed with the hydro-cylinder lid, be equipped with the piston of cavity form in the hydro-cylinder, the piston is passed to the rear end of rotor, wear to be equipped with the pull rod of cavity form in the rotor, the cover is equipped with the dish spring subassembly on the pull rod, slide and make the pull rod carry out the activity of loosing sword and pressing from both sides the sword around the control piston, the rear end intercommunication of pull rod has water path joint. The utility model discloses make main shaft center channel can accomplish the center and blow, can carry out central water-cooling again, and then realize that the air current is clean, inside cooling.
Description
Technical Field
The utility model relates to a main shaft especially relates to a mechanical main shaft based on central water-cooling and center are blown.
Background
A machine spindle is a power unit for performing precision machining, and is generally used in equipment such as a precision machine tool. The main shaft is in the course of the work, generally can adopt the mode that the center blows, can be at the pine sword, the tool changing in-process, utilize the air current that the center blew out to play clean effect, prevent inside entering main shaft such as dirt bits, but after the main shaft carries out the double-layered sword action, its central gas circuit is closed, central gas circuit is in idle state this moment, and inside the main shaft, especially the front end is close to the part of handle of a knife, its inside heat is great, because of can't getting good cooling, lead to the unable long time work of main shaft, and can't satisfy heavy load, high-speed processing requirement moreover.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art not enough, provide one kind through ingenious structural design for main shaft center channel can accomplish the center and blow, can carry out central water-cooling again, and then realizes the mechanical main shaft of multiple effects such as air current cleanness, inside cooling.
In order to solve the technical problem, the utility model adopts the following technical scheme.
A mechanical spindle based on central water cooling and central air blowing comprises a steel cylinder, wherein a front bearing assembly, a rear bearing assembly and a bearing spacer ring assembly are arranged in the steel cylinder, the front bearing assembly and the rear bearing assembly are respectively arranged at the front end and the rear end of the bearing spacer ring assembly, a hollow rotor penetrates through the center of the bearing spacer ring assembly, the front end and the rear end of the rotor respectively penetrate through the front bearing assembly and the rear bearing assembly, a cutter handle is arranged at the front end of the rotor, a back cover is arranged at the rear end of the steel cylinder, an oil cylinder is fixed at the rear end of the back cover, an oil cylinder cover is fixed at the rear end of the oil cylinder, a hollow piston is arranged in the oil cylinder, the rear end of the rotor penetrates through the piston, a hollow pull rod penetrates through the rotor, the piston is used for applying forward sliding thrust to the pull rod, and a disc spring assembly is sleeved on the pull rod, the disc spring component is used for driving the pull rod to slide backwards, and controlling the piston to slide forwards and backwards to enable the pull rod to perform the actions of knife loosening and knife clamping, the rear end of the pull rod is communicated with a water path joint, the cylinder cover is provided with a central air path interface, the side walls of the piston and the rotor are provided with lateral air paths which are sequentially communicated, the side wall of the pull rod is provided with a first side hole, when the pull rod slides backwards and carries out the cutter clamping action, cooling water is injected into a central pipeline of the pull rod through the water pipeline joint, when the pull rod slides forwards and performs the cutter loosening action, the waterway connector stops injecting cooling water, and the central gas path interface, the lateral gas path, the first side hole and the central pipeline of the pull rod are communicated in sequence, and the air flow injected by the central air path interface is blown out through the central pipeline of the pull rod and the cutter handle.
Preferably, a slotted hole is formed in the side portion of the rotor, the slotted hole extends along the length direction of the rotor, a stop block is fixed to the side portion of the pull rod, the stop block penetrates through the slotted hole and is in sliding connection with the slotted hole, an inner step portion is formed on the inner wall of the piston and is located on the rear side of the stop block, and when the piston slides forwards, the inner step portion applies thrust to the stop block, so that the pull rod is driven to slide forwards.
Preferably, a plurality of second side openings have been seted up to the lateral wall of pull rod, a plurality of inverted L shape passageways have been seted up in the lateral wall of rotor, inverted L shape passageway with second side opening one-to-one, the lateral part of handle of a knife is formed with annular flange, inverted L shape passageway's rear end opening orientation the lateral part of pull rod, inverted L shape passageway's front end opening orientation annular flange, work as when the pull rod slides backward and carries out and press from both sides the sword action, annular flange cover in inverted L shape passageway's front end opening, work as when the pull rod slides forward and carries out the sword action of loosing, the second side opening with inverted L shape passageway communicates in proper order, the air current via in the pull rod central line the second side opening with inverted L shape passageway outwards blows out.
Preferably, the plurality of inverted-L shaped channels are evenly distributed along the circumferential direction of the rotor.
Preferably, the rear end of the steel cylinder is provided with a transition ring, and the back cover is fixed at the rear end of the transition ring.
Preferably, a fastening nut and a limiting nut are fixed on the rotor, the fastening nut is located on the front side of the transition ring, a gap is formed between the fastening nut and the transition ring, the limiting nut is located between the transition ring and the piston, and gaps are formed between the limiting nut and the transition ring and between the limiting nut and the piston respectively.
Preferably, a plurality of spring mounting holes are formed in the transition ring, a bolt penetrates through the spring mounting hole, an annular inner edge is formed in the spring mounting hole, the bolt penetrates through the annular inner edge and is in sliding connection with the annular inner edge, the front end of the bolt is fixedly connected with the steel cylinder, a spring is sleeved on the bolt, and the spring clamp is arranged between the annular inner edge and the end cap of the bolt and enables the transition ring to float forwards and backwards through elasticity applied by the spring.
Preferably, a bearing pressing plate is arranged in the steel cylinder and abuts against the front end of the front bearing assembly, a dustproof ring is fixed at the front end of the steel cylinder and abuts against the front end of the bearing pressing plate, an air ring is fixed on the inner side of the dustproof ring, a waterproof cover is sleeved on the rotor and fixedly connected with the waterproof cover and the air ring, the rotor penetrates through the air ring, a gap is formed between the waterproof cover and the air ring, an annular shoulder is formed on the outer side wall of the steel cylinder, an air seal interface is arranged on the annular shoulder, an air seal channel is arranged in the side wall of the steel cylinder and penetrates through the dustproof ring and the air ring, and air flow injected by the air seal interface is blown out through the air seal channel, the gap between the rotor and the waterproof ring and the gap between the air cover and the air ring, thereby forming an air seal between the waterproof cover and the air ring.
Preferably, the annular shoulder is provided with a front end cooling liquid inlet and a front end cooling liquid outlet, the outer side wall of the steel cylinder is provided with a front end cooling channel, the front end cooling channel is located outside the rotor, the front end cooling channel is communicated between the front end cooling liquid inlet and the front end cooling liquid outlet, the outer side of the steel cylinder is sleeved with a water cooling jacket, and the water cooling jacket covers the front end cooling channel.
Preferably, the annular shoulder is provided with an annular liquid spraying inlet, the steel cylinder is internally provided with an annular liquid spraying channel, the dustproof ring is embedded with a plurality of universal nozzles, and the annular liquid spraying channel is communicated between the annular liquid spraying inlet and the universal nozzles.
The utility model discloses an among the mechanical main shaft based on center water-cooling and center are blown air the rear end of pull rod has set up water route joint set up central gas circuit interface on the hydro-cylinder cover, when carrying out the pine sword action, the air current that central gas circuit interface was poured into passes through in proper order the side direction gas circuit first side opening with the central pipeline of pull rod with the handle of a knife outwards blows out, and then plays clean effect at the main shaft front end, when the main shaft carries out the double-layered sword action, through water route joint to pour into the cooling water into in the central pipeline of pull rod, utilize central cooling water to cool off the main shaft in inside. Compared with the prior art, the utility model discloses an ingenious structural design for main shaft center channel can accomplish the center and blow, can carry out central water-cooling again, realizes on the clean basis of air current, can also realize inside cooling, has satisfied user's needs and market demand betterly.
Drawings
Fig. 1 is a partial sectional view of a mechanical spindle according to the present invention;
fig. 2 is a partial sectional view of the mechanical spindle of the present invention;
FIG. 3 is a structural view of a rotor;
FIG. 4 is a cross-sectional view of the rotor;
fig. 5 is a partial sectional view of the mechanical spindle of the present invention;
fig. 6 is a partial sectional view of the mechanical spindle of the present invention;
FIG. 7 is a block diagram of a transition ring;
fig. 8 is a partial sectional view of the mechanical spindle of the present invention;
fig. 9 is a partial sectional view six of the mechanical spindle of the present invention;
fig. 10 is a partial sectional view of the mechanical spindle of the present invention;
fig. 11 is a partial sectional view eight of the mechanical spindle of the present invention;
FIG. 12 is a perspective view of a steel cylinder;
fig. 13 is a partial sectional view nine of the mechanical spindle of the present invention;
fig. 14 is a rear end structural view of the mechanical spindle of the present invention;
fig. 15 is a structural view of an induction loop.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a mechanical spindle based on central water cooling and central blowing, as shown in a combined drawing from 1 to 15, which comprises a steel cylinder 1, wherein a front bearing assembly 2, a rear bearing assembly 3 and a bearing spacer ring assembly 4 are arranged in the steel cylinder 1, the front bearing assembly 2 and the rear bearing assembly 3 are respectively arranged at the front end and the rear end of the bearing spacer ring assembly 4, a hollow rotor 5 is arranged at the center of the bearing spacer ring assembly 4 in a penetrating way, the front end and the rear end of the rotor 5 respectively pass through the front bearing assembly 2 and the rear bearing assembly 3, a knife handle 6 is arranged at the front end of the rotor 5, a back cover 7 is arranged at the rear end of the steel cylinder 1, an oil cylinder 8 is fixed at the rear end of the back cover 7, an oil cylinder cover 9 is fixed at the rear end of the oil cylinder 8, a hollow piston 10 is arranged in the oil cylinder 8, the rear end of the rotor 5 passes through the piston 10, a hollow pull rod 11 is arranged, the piston 10 is used for applying a forward sliding thrust to the pull rod 11, a disc spring assembly 12 is sleeved on the pull rod 11, the disc spring assembly 12 is used for driving the pull rod 11 to slide backwards, the pull rod 11 is controlled to perform tool loosening and clamping actions by controlling the piston 10 to slide forwards and backwards, the rear end of the pull rod 11 is communicated with a water channel joint 13, a central air channel interface 90 is arranged on the oil cylinder cover 9, lateral air channels 100 which are sequentially communicated are formed in the side walls of the piston 10 and the rotor 5, a first lateral hole 110 is formed in the side wall of the pull rod 11, when the pull rod 11 slides backwards and performs the tool clamping action, cooling water is injected into the central air channel of the pull rod 11 through the water channel joint 13, when the pull rod 11 slides forwards and performs the tool loosening action, the water channel joint 13 stops injecting cooling water, and the central air channel interface 90, The lateral air passage 100, the first side hole 110 and the central pipeline of the pull rod 11 are sequentially communicated, and the air flow injected by the central air passage interface 90 is blown out through the central pipeline of the pull rod 11 and the handle 6.
In the structure, the rear end of the pull rod 11 is provided with the water path joint 13, the oil cylinder cover 9 is provided with the central air path interface 90, when the tool loosening action is executed, the air flow injected by the central air path interface 90 sequentially passes through the lateral air path 100, the first side hole 110, the central pipeline of the pull rod 11 and the tool holder 6 to be blown out outwards, so that the cleaning effect is realized at the front end of the spindle, when the spindle executes the tool clamping action, the cooling water is injected into the central pipeline of the pull rod 11 through the water path joint 13, and the spindle is cooled by utilizing the central cooling water inside. Compared with the prior art, the utility model discloses an ingenious structural design for main shaft center channel can accomplish the center and blow, can carry out central water-cooling again, realizes on the clean basis of air current, can also realize inside cooling, has satisfied user's needs and market demand betterly.
In order to improve the cooling effect, a water outlet hole for discharging cooling water can be formed in the side part of the cutter handle 6.
In order to drive the pull rod 11 to slide forward when the knife is released, in this embodiment, a slotted hole 50 is formed in a side portion of the rotor 5, the slotted hole 50 extends along a length direction of the rotor 5, a stopper 51 is fixed to the side portion of the pull rod 11, the stopper 51 penetrates through the slotted hole 50 and is connected with the slotted hole 50 in a sliding manner, an inner step portion 52 is formed on an inner wall of the piston 10, the inner step portion 52 is located at a rear side of the stopper 51, and when the piston 10 slides forward, the inner step portion 52 applies a pushing force to the stopper 51, so as to drive the pull rod 11 to slide forward.
As a preferable mode, the side wall of the pull rod 11 is provided with a plurality of second side holes 111, the side wall of the rotor 5 is provided with a plurality of inverted L-shaped channels 53, the inverted L-shaped channels 53 correspond to the second side holes 111 one by one, the side portion of the tool holder 6 is formed with an annular flange 60, the rear end opening of the inverted L-shaped channel 53 faces the side portion of the pull rod 11, the front end opening of the inverted L-shaped channel 53 faces the annular flange 60, when the pull rod 11 slides backwards and performs a tool clamping action, the annular flange 60 covers the front end opening of the inverted L-shaped channel 53, when the pull rod 11 slides forwards and performs a tool releasing action, the second side holes 111 and the inverted L-shaped channels 53 are sequentially communicated, and the air flow in the central pipeline of the pull rod 11 is blown outwards through the second side holes 111 and the inverted L-shaped channels 53.
Further, a plurality of inverted L-shaped channels 53 are evenly distributed along the circumferential direction of the rotor 5.
In the structure, the airflow blown out from the inverted L-shaped channels 53 can form an annular air seal at the front end of the spindle, and further plays a cleaning role in tool changing and tool releasing.
In this embodiment, a transition ring 14 is disposed at the rear end of the steel cylinder 1, and the back cover 7 is fixed to the rear end of the transition ring 14.
Further, a fastening nut 15 and a limiting nut 16 are fixed on the rotor 5, the fastening nut 15 is located on the front side of the transition ring 14, a gap is formed between the fastening nut 15 and the transition ring 14, the limiting nut 16 is located between the transition ring 14 and the piston 10, and gaps are respectively formed between the limiting nut 16 and the transition ring 14 and between the limiting nut 16 and the piston 10.
On this basis, a plurality of spring mounting holes 140 are formed in the transition ring 14, a bolt 141 penetrates through the spring mounting holes 140, an annular inner edge 142 is formed in the spring mounting holes 140, the bolt 141 penetrates through the annular inner edge 142 and is in sliding connection with the annular inner edge 142, the front end of the bolt 141 is fixedly connected with the steel cylinder 1, a spring 143 is sleeved on the bolt 141, the spring 143 is clamped between the annular inner edge 142 and an end cap of the bolt 141, and the transition ring 14 is made to float back and forth by means of elastic force applied by the spring 143.
Above-mentioned structure can make piston 10 forward motion in-process, right rotor 5 applys thrust under the cooperation of transition ring 14, spring 143, fastening nut 15 and stop nut 16, can not only restrict rotor 5's stroke, can also utilize the clearance between the three, make rotor 5 is in the state of floating, especially at the double-layered sword in-process, can effectively avoid loosening the sword in-process rotor 5 is pressed from both sides tightly, and then has realized floating and has pressed from both sides the sword for guarantee that the precision and the life of main shaft are avoided influencing.
On the basis, the utility model also sets up the air seal structure at the front end of the main shaft, specifically, the bearing pressure plate 17 is arranged in the steel cylinder 1, the bearing pressure plate 17 is supported at the front end of the front bearing assembly 2, the front end of the steel cylinder 1 is fixed with the dust ring 18, the dust ring 18 is supported at the front end of the bearing pressure plate 17, the inner side of the dust ring 18 is fixed with the air ring 19, the rotor 5 is sleeved with the waterproof cover 20 and fixedly connected with the waterproof cover 20, the rotor 5 penetrates the air ring 19 and a gap is arranged between the air ring and the air ring, the waterproof cover 20 is arranged at the front side of the air ring 19 and a gap is arranged between the waterproof cover and the air ring 19, the outer side wall of the steel cylinder 1 is formed with an annular shoulder 21, the annular shoulder 21 is provided with an air seal interface 22, an air seal channel 23 is arranged in the side wall of the steel cylinder 1, the air seal channel 23 runs through the dust ring 18 and, the air flow injected by the air seal interface 22 is blown out through the air seal channel 23, the gap between the rotor 5 and the air ring 19, and the gap between the waterproof cover 20 and the air ring 19, so that an air seal is formed between the waterproof cover 20 and the air ring 19.
The main shaft is at the operation in-process, and the calorific capacity of its front end is great, in order to effectively cool down the main shaft front end, the preferred water-cooling mode that adopts of this embodiment specifically means, front end coolant liquid entry 24 and front end coolant liquid export 25 have been seted up on annular shoulder 21, front end cooling channel 26 has been seted up to the lateral wall of steel cylinder 1, front end cooling channel 26 is located the outside of rotor, just front end cooling channel 26 communicate in between front end coolant liquid entry 24 and the front end coolant liquid export 25, the outside cover of steel cylinder 1 is equipped with water-cooling overcoat 27, water-cooling overcoat 27 cover in front end cooling channel 26.
The utility model discloses it is clean still to adopt the ring to spout the mode and spray water to the processing area, specifically mean, it has ring hydrojet entry 28 to set up on the cyclic annular shoulder 21, ring hydrojet passageway 29 has been seted up in the steel cylinder 1, it is equipped with a plurality of universal nozzle 30 to inlay on the dirt proof ring 18, ring hydrojet passageway 29 communicate in ring hydrojet entry 28 with between the universal nozzle 30.
In order to accurately and reliably detect the action state of the spindle, in this embodiment, the pull rod 11 is sleeved with the induction ring 112 and fixedly connected with the induction ring 112, the rear end of the cylinder head 9 is fixed with 3 induction switches 113, the induction ends of the 3 induction switches 113 all face the induction ring 112, the 3 induction switches 113 are sequentially arranged along the front and rear directions, an induction flange 114 is formed on the outer side of the induction ring 112, and when the pull rod 11 performs a tool clamping action and a tool loosening action or no tool is arranged on the tool holder 6, the 3 induction switches 113 are respectively aligned with the induction flange 114. The control system of the main shaft judges whether the pull rod 11 executes the knife clamping action and the knife loosening action and the knife tool is installed on the knife handle 6 or not according to the electric signals fed back by the 3 inductive switches 113, and then closed-loop control is achieved.
As a preferable mode, the induction ring 112 is fixedly connected with the pull rod 11 through a screw 115, a clearance slot 55 through which the screw 115 can pass is formed in a side wall of the rotor 5, and the screw 115 can move back and forth in the clearance slot 55.
The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A mechanical spindle based on central water cooling and central air blowing is characterized by comprising a steel cylinder, wherein a front bearing assembly, a rear bearing assembly and a bearing spacer ring assembly are arranged in the steel cylinder, the front bearing assembly and the rear bearing assembly are respectively arranged at the front end and the rear end of the bearing spacer ring assembly, a hollow rotor is arranged at the center of the bearing spacer ring assembly in a penetrating mode, the front end and the rear end of the rotor respectively penetrate through the front bearing assembly and the rear bearing assembly, a cutter handle is installed at the front end of the rotor, a back cover is arranged at the rear end of the steel cylinder, an oil cylinder is fixed at the rear end of the back cover, an oil cylinder cover is fixed at the rear end of the oil cylinder, a hollow piston is arranged in the oil cylinder, the rear end of the rotor penetrates through the piston, a hollow pull rod is arranged in the rotor in a penetrating mode, the piston is used for applying forward sliding thrust to the pull rod, and a disc spring, the disc spring component is used for driving the pull rod to slide backwards, and controlling the piston to slide forwards and backwards to enable the pull rod to perform the actions of knife loosening and knife clamping, the rear end of the pull rod is communicated with a water path joint, the cylinder cover is provided with a central air path interface, the side walls of the piston and the rotor are provided with lateral air paths which are sequentially communicated, the side wall of the pull rod is provided with a first side hole, when the pull rod slides backwards and carries out the cutter clamping action, cooling water is injected into a central pipeline of the pull rod through the water pipeline joint, when the pull rod slides forwards and performs the cutter loosening action, the waterway connector stops injecting cooling water, and the central gas path interface, the lateral gas path, the first side hole and the central pipeline of the pull rod are communicated in sequence, and the air flow injected by the central air path interface is blown out through the central pipeline of the pull rod and the cutter handle.
2. The mechanical spindle based on central water cooling and central air blowing as claimed in claim 1, wherein a slotted hole is formed in a side portion of the rotor, the slotted hole extends along a length direction of the rotor, a stopper is fixed to a side portion of the pull rod, the stopper passes through the slotted hole and is slidably connected with the slotted hole, an inner step portion is formed on an inner wall of the piston, the inner step portion is located at a rear side of the stopper, and when the piston slides forwards, the inner step portion applies a thrust force to the stopper, so that the pull rod is driven to slide forwards.
3. The central water cooling and central air blowing based mechanical spindle of claim 1, the side wall of the pull rod is provided with a plurality of second side holes, the side wall of the rotor is internally provided with a plurality of inverted L-shaped channels, the inverted L-shaped channels correspond to the second side holes one by one, an annular flange is formed at the side part of the cutter handle, the rear end opening of the inverted L-shaped channel faces the side part of the pull rod, the front end opening of the inverted L-shaped channel faces the annular flange, when the pull rod slides backwards and carries out the cutter clamping action, the annular flange covers the front end opening of the inverted L-shaped channel, when the pull rod slides forwards and performs the action of loosening the cutter, the second side hole is communicated with the inverted L-shaped channel in sequence, and the air flow in the pull rod central pipeline is blown out through the second side hole and the inverted L-shaped channel.
4. The central water-cooling and central air-blowing based machine spindle according to claim 3, wherein a plurality of inverted-L-shaped channels are uniformly distributed along a circumferential direction of said rotor.
5. The central water cooling and central air blowing based mechanical spindle as claimed in claim 1, wherein a transition ring is provided at a rear end of the steel cylinder, and the back cover is fixed to a rear end of the transition ring.
6. The central water cooling and central air blowing based mechanical spindle according to claim 5, wherein a fastening nut and a limiting nut are fixed on the rotor, the fastening nut is located on the front side of the transition ring, a gap is formed between the fastening nut and the transition ring, the limiting nut is located between the transition ring and the piston, and gaps are respectively formed between the limiting nut and the transition ring and between the limiting nut and the piston.
7. The mechanical spindle based on central water cooling and central air blowing as claimed in claim 6, wherein the transition ring is provided with a plurality of spring mounting holes, bolts are inserted into the spring mounting holes, an annular inner edge is formed in the spring mounting holes, the bolts penetrate through the annular inner edge and are slidably connected with the annular inner edge, the front end of each bolt is fixedly connected with the steel cylinder, a spring is sleeved on each bolt, the spring is clamped between the annular inner edge and an end cap of each bolt, and the transition ring is made to float back and forth by means of elastic force applied by the spring.
8. The mechanical spindle based on central water cooling and central air blowing according to claim 1, wherein a bearing pressing plate is arranged in the steel cylinder, the bearing pressing plate abuts against the front end of the front bearing assembly, a dust ring is fixed at the front end of the steel cylinder, the dust ring abuts against the front end of the bearing pressing plate, an air ring is fixed on the inner side of the dust ring, a waterproof cover is sleeved on the rotor and fixedly connected with the rotor, the rotor penetrates through the air ring, a gap is formed between the waterproof cover and the air ring, a ring-shaped shoulder is formed on the outer side wall of the steel cylinder, an air sealing interface is arranged on the ring-shaped shoulder, an air sealing channel is arranged in the side wall of the steel cylinder, the air sealing channel penetrates through the dust ring and the air ring, and air injected by the air sealing interface is injected by the air sealing channel, And blowing out a gap between the rotor and the air ring and a gap between the waterproof cover and the air ring, so that an air seal is formed between the waterproof cover and the air ring.
9. The mechanical spindle based on central water cooling and central air blowing according to claim 8, wherein a front end cooling liquid inlet and a front end cooling liquid outlet are formed in the annular shoulder, a front end cooling channel is formed in the outer side wall of the steel cylinder, the front end cooling channel is located on the outer side of the rotor, the front end cooling channel is communicated between the front end cooling liquid inlet and the front end cooling liquid outlet, a water cooling jacket is sleeved on the outer side of the steel cylinder, and the water cooling jacket covers the front end cooling channel.
10. The center water cooling and center air blowing based mechanical spindle as claimed in claim 8, wherein a ring liquid spraying inlet is formed on the ring shoulder, a ring liquid spraying channel is formed in the steel cylinder, a plurality of universal nozzles are embedded on the dust-proof ring, and the ring liquid spraying channel is communicated between the ring liquid spraying inlet and the universal nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133590.6U CN211638331U (en) | 2019-11-30 | 2019-11-30 | Mechanical main shaft based on central water cooling and central air blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922133590.6U CN211638331U (en) | 2019-11-30 | 2019-11-30 | Mechanical main shaft based on central water cooling and central air blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638331U true CN211638331U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922133590.6U Active CN211638331U (en) | 2019-11-30 | 2019-11-30 | Mechanical main shaft based on central water cooling and central air blowing |
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| CN (1) | CN211638331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635107A (en) * | 2021-10-13 | 2021-11-12 | 江苏益铨数控科技有限公司 | Tool changing spindle of numerical control vertical milling machine |
| CN113977343A (en) * | 2021-10-25 | 2022-01-28 | 浙江高崎智能装备制造有限公司 | Self-supporting water outlet structure of central spindle |
-
2019
- 2019-11-30 CN CN201922133590.6U patent/CN211638331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635107A (en) * | 2021-10-13 | 2021-11-12 | 江苏益铨数控科技有限公司 | Tool changing spindle of numerical control vertical milling machine |
| CN113977343A (en) * | 2021-10-25 | 2022-01-28 | 浙江高崎智能装备制造有限公司 | Self-supporting water outlet structure of central spindle |
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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. |