CN208195677U - A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open - Google Patents
A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open Download PDFInfo
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- CN208195677U CN208195677U CN201820427591.4U CN201820427591U CN208195677U CN 208195677 U CN208195677 U CN 208195677U CN 201820427591 U CN201820427591 U CN 201820427591U CN 208195677 U CN208195677 U CN 208195677U
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Abstract
It is covered with dust the utility model discloses a kind of main shaft double inclined plane and tears knife dustproof construction open, including central spindle, pull rod, main shaft body, collet, rear bearing block and cylinder, the cylinder rear portion is equipped with loose knife air blowing interface, the pull rod end is equipped with a gas nozzle, the position that pull rod is engaged with central spindle medial surface is ventilative gap, cylinder, pull rod and the collet middle part is respectively equipped with dedusting channel, the gas nozzle is connected with dedusting channel, and loose knife air blowing interface is successively connected via the dedusting channel of cylinder, pull rod, rear bearing block and collet with outside.The utility model gas source can successively pass through the dedusting channel of pull rod, rear bearing block and collet, and spray gas to the end of collet prevents the processing scrap at collet inwardly into main shaft body or gap to wind direction can be kept outside in the process of disassembly.And the setting of dust-collecting air interface, then according to specifically knife situation needs are torn open, to carry out the effect of assistant reinforcement atmospheric pressure.
Description
Technical field
The utility model relates to motor shaft field, specially a kind of dustproof construction for tearing knife open for main shaft.
Background technique
With the rapid development of electric drive technology (variable-frequency control technique, motor vector control technology etc.) and increasingly complete
Kind, the mechanical structure of High Speed NC Machine Tools main transmission is greatly simplified, substantially eliminates belt wheel transmission and tooth
Wheel transmission.Machine tool chief axis is directly driven by built-in motor, so that the length of Machine Tool Main Drive chain is shorten to zero, is realized
" Zero-drive Chain " of lathe makes spindle unit is relatively independent from the transmission system and overall structure of lathe to come out, can thus be made into
Electro spindle.Cutter disassembly for electro spindle, is all made of the mode of cylinder driving, due to being easy accumulation ash in external knife handle
Dirt needs to prevent dust from entering inside main shaft body when cutter is dismantled.Meanwhile it tearing the high pressure gas that knife is injected open and existing
Use scope in existing structure is push in cylinder power Board position used, and the use scope of gas source is single.
Summary of the invention
The purpose of this utility model is to provide one kind to be convenient for during main shaft tears knife open, prevents dust from entering main shaft sheet
The dustproof construction of body.
To achieve the above object, the utility model provides the following technical solutions:
A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open, including central spindle, pull rod, main shaft body, collet, back seat are gentle
Cylinder, the central spindle are placed on outside pull rod, and the cylinder rear portion is equipped with loose knife air blowing interface, and the pull rod end is equipped with one
Gas nozzle, the position that the pull rod is engaged with central spindle medial surface are ventilative gap, part in the cylinder, pull rod and collet
Not She You dedusting channel, the gas nozzle is connected with dedusting channel, the minimum portion's air pressure when loose knife acts on of loose knife air blowing interface
It is passed to pull rod through mandril inner aperture diameter, then is passed to front-end of spindle collet inner hole through pull rod.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, the back seat is equipped with
Dust-collecting air interface, back seat inside are equipped with extension dedusting channel, and the dust-collecting air interface is connected with extension dedusting channel,
And it is connected with the dedusting channel in the middle part of pull rod.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and is further described, the cylinder is equipped with
Multipair stripper loop and power plate arranged in parallel are equipped with a cushion space between each pair of stripper loop and power plate,
Adjacent two pairs are equipped with exhaust cylinder chamber between stripper loop and power plate, and the side of stripper loop is equipped with the exhaust of connection surfaces externally and internally
Hole, the gas vent are connected with exhaust cylinder chamber.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, be equipped in the back seat
Rapidity ring and rapidity device, the rapidity device side are equipped with the fastening screw of fixed rapidity device position, and rapidity ring is equipped with and tests the speed
Square hole.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, the pull rod front end is set
There is threaded rod, the threaded rod includes integrated thread, the thread and pull rod mutually locking, and the screw thread connects
Shank diameter is greater than the diameter of pull rod, and the front end of pull rod is resisted against on the end face of nut.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, further include front-end bearing pedestal,
The front-end bearing pedestal is equipped with the water route slot of recess around lateral surface, and the both ends of water route slot are by a barrier screw and main shaft body
Side be combined with each other and completely cuts off, and the both ends of the water route slot are connected with flume channel.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, further include spiral shell before central spindle
Mother, the end face of the central spindle front nut are equipped with balance screw hole, and the rear end of the collet is equipped with guiding step.
Tear knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describe, the front-end bearing pedestal and
Seperated pressing plate is respectively equipped on the inside of rear bearing block.
Compared with prior art, the beneficial effects of the utility model are as follows: by the pull rod end mutually fixed with cylinder
One gas nozzle is set, the air pressure of cylinder interior is communicated in dedusting channel by gas nozzle, gas source can successively pass through pull rod, back seat and
The dedusting channel of collet, and spray gas to the end of collet prevents from pressing from both sides to wind direction can be kept outside in the process of disassembly
Processing scrap at head is inwardly into main shaft body or gap.And the setting of dust-collecting air interface, then knife feelings are torn open according to specific
Condition needs, to carry out the effect of assistant reinforcement atmospheric pressure.
Detailed description of the invention
Fig. 1 is the whole sectional view that the utility model shows vent structure；
Fig. 2 is the diagrammatic cross-section that whole dedusting channel, dust-collecting air interface are connected；
Fig. 3 is the schematic diagram that central spindle is combined with pull rod；
Fig. 4 is the structure chart of rapidity device installation inside main shaft；
Fig. 5 is the partial enlargement structure chart of rapidity device installation；
Fig. 6 is the waterway structure section partial enlarged view of front-end bearing pedestal position；
Fig. 7 is the construction profile of front-end bearing pedestal；
Fig. 8 is the schematic diagram that main shaft body internal watercourses are connected.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-8 is please referred to, the utility model provides a kind of technical solution:
A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open, including central spindle 1, pull rod 2, main shaft body 3, collet 4, back seat 5
With cylinder 6, the central spindle 1 is placed on outside pull rod 2, and the cylinder rear portion is equipped with loose knife air blowing interface 61, the drawing
2 end of bar is equipped with a gas nozzle 21, and the position that the pull rod 2 is engaged with 1 medial surface of central spindle is ventilative gap 11, described
Cylinder, be respectively equipped with dedusting channel 7 in the middle part of pull rod and collet, the gas nozzle 21 is connected with dedusting channel 7, and loose knife is blown
The minimum portion's air pressure when loose knife is acted on of gas interface through 24 inner aperture diameter of mandril is passed to pull rod 2, then is passed to main shaft through pull rod
Front end collet inner hole.The air pressure of cylinder interior is communicated in dedusting channel 7 by gas nozzle 21, gas source can successively pass through cylinder,
The dedusting channel of the gas nozzle of pull rod, pull rod, rear bearing block and collet, and gas is sprayed to the end of collet, it can guarantee in this way
Wind direction can be kept outside during tearing knife open, prevent the processing scrap at collet inwardly into main shaft body or gap.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, the rear bearing block 5
Equipped with dust-collecting air interface 51, extension dedusting channel 52, the dust-collecting air interface 51 and expansion are equipped with inside rear bearing block
Exhibition dedusting channel 52 is connected, and is connected with the dedusting channel 7 in the middle part of pull rod.The dust-collecting air interface is optinal plan,
On biggish main shaft, increasing the dust-collecting air interface can play the role of expanding air blowing, increase air pressure inside, to make big
Type electric machine main shaft normal use；And for lesser main shaft, then it can not increase the dust-collecting air interface.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and is further described, the cylinder 6 is set
There are multipair stripper loop 62 and power plate 63 arranged in parallel, it is slow to be equipped with one between each pair of stripper loop and power plate
Space 64 is rushed, adjacent two pairs are equipped with exhaust cylinder chamber 65 between stripper loop and power plate, and the side of stripper loop is equipped with inside and outside connection
The gas vent 66 on surface, the gas vent 66 are connected with exhaust cylinder chamber 65.The setting of the cushion space can cylinder into
When row driving, to the buffering and driving for carrying out air pressure in power plate compression process, stripper loop is equipped with gas vent 66, directly
It is connect with exhaust cylinder chamber, constitutes the exhaust system of cylinder.In driving, compressed air enters in each layer cylinder the cylinder from kerve
Acting pushes piston to advance, to push mandril to eject and contact back end of tie rod.Wherein, piston is then carried out mainly by 6 springs
It resets.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, in the rear bearing block
Equipped with rapidity ring 81 and rapidity device 82, the rapidity device side is equipped with the fastening screw 83 of fixed rapidity device position, rapidity ring
It is equipped with the square hole 84 that tests the speed.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, 2 front end of pull rod
Equipped with threaded rod, the threaded rod includes integrated thread 22 and nut 23, the thread 22 and 2 phase of pull rod
Mutually locking, 23 diameter of nut are greater than the diameter of pull rod, and the front end of pull rod is resisted against on the end face of nut.By thread 22
Pull rod front end can be abutted against with nut end face, is risen when being assembled in central spindle using integrated setting with nut 23
To effective position-limiting action, simultaneously as integrated setting, thread 22 will be fixedly combined together with nut, only need to be by spiral shell
It is female to accomplish seamless combination with central spindle inside, that is, it can guarantee the stability of pull rod entirety.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, further include front-end bearing pedestal 9,
The front-end bearing pedestal 9 is equipped with the water route slot 91 of recess around lateral surface, and the both ends of water route slot are by a barrier screw 92 and master
3 medial surface of shaft body be combined with each other and completely cuts off, and both ends and the flume channel 10 of the water route slot 91 are connected.It is cooling
Water passes through the water route slot 91 and flume channel 10 of front-end bearing pedestal respectively, passes through flume channel 10 after 2 circles at front-end bearing pedestal
Outside is flowed out to, cooling can be effectively performed.And barrier screw and main shaft body medial surface is used to completely cut off, isolation capacity is high,
Water route slot can be separated, increase the contact area of flowing, to keep heat dissipation more effective.
It tears knife dustproof construction open as being covered with dust to a kind of above-mentioned main shaft double inclined plane and further describes, further include central spindle front nut
41, the end face of the central spindle front nut is equipped with balance screw hole 42, and the rear end of the collet 4 is equipped with guiding step 43.
Meanwhile seperated pressing plate 31 being respectively adopted on the inside of the front-end bearing pedestal and rear bearing block, bearing block can be promoted
Machining accuracy is promoted to best.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open, including central spindle, pull rod, main shaft body, collet, back seat and cylinder,
The central spindle is placed on outside pull rod, it is characterised in that: the cylinder rear portion is equipped with loose knife air blowing interface, the pull rod end
End is equipped with a gas nozzle, and the position that the pull rod is engaged with central spindle medial surface is ventilative gap, the cylinder, pull rod and folder
Centriciput is respectively equipped with dedusting channel, and the gas nozzle is connected with dedusting channel, loose knife air blowing interface pole when loose knife acts on
Small portion's air pressure is passed to pull rod through mandril inner aperture diameter, then is passed to front-end of spindle collet inner hole through pull rod.
2. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: the back seat
It is equipped with dust-collecting air interface, extension dedusting channel, the dust-collecting air interface and extension dedusting channel are equipped with inside back seat
It is connected, and is connected with the dedusting channel in the middle part of pull rod.
3. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: the cylinder
Equipped with multipair stripper loop and power plate arranged in parallel, it is empty that a buffering is equipped between each pair of stripper loop and power plate
Between, adjacent two pairs are equipped with exhaust cylinder chamber between stripper loop and power plate, and the side of stripper loop is equipped with the row of connection surfaces externally and internally
Stomata, the gas vent are connected with exhaust cylinder chamber.
4. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: the back seat
Interior to be equipped with rapidity ring and rapidity device, the rapidity device side is equipped with the fastening screw of fixed rapidity device position, sets on rapidity ring
Test the speed square hole.
5. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: the pull rod
Front end is equipped with threaded rod, and the threaded rod includes integrated thread, and the thread and pull rod mutually locking are described
Threaded rod diameter is greater than the diameter of pull rod, and the front end of pull rod is resisted against on the end face of nut.
6. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: further include front axle
Seat is held, the front-end bearing pedestal is equipped with the water route slot of recess around lateral surface, and the both ends of water route slot are by a barrier screw and main shaft
Ontology medial surface be combined with each other and completely cuts off, and the both ends of the water route slot are connected with flume channel.
7. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: further include central spindle
Front nut, the end face of the central spindle front nut are equipped with balance screw hole, and the rear end of the collet is equipped with guiding step.
8. a kind of main shaft double inclined plane according to claim 1, which is covered with dust, tears knife dustproof construction open, it is characterised in that: the front axle
It holds and is respectively equipped with seperated pressing plate on the inside of seat and rear bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427591.4U CN208195677U (en) | 2018-03-27 | 2018-03-27 | A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427591.4U CN208195677U (en) | 2018-03-27 | 2018-03-27 | A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open |
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| Publication Number | Publication Date |
|---|---|
| CN208195677U true CN208195677U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427591.4U Active CN208195677U (en) | 2018-03-27 | 2018-03-27 | A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open |
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|---|---|
| CN (1) | CN208195677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586966A (en) * | 2019-07-31 | 2019-12-20 | 广州市昊志机电股份有限公司 | Pull rod structure and main shaft |
| CN113798891A (en) * | 2021-10-29 | 2021-12-17 | 胡功明 | Front-back locatable collet chuck seat |
-
2018
- 2018-03-27 CN CN201820427591.4U patent/CN208195677U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586966A (en) * | 2019-07-31 | 2019-12-20 | 广州市昊志机电股份有限公司 | Pull rod structure and main shaft |
| CN113798891A (en) * | 2021-10-29 | 2021-12-17 | 胡功明 | Front-back locatable collet chuck seat |
| CN113798891B (en) * | 2021-10-29 | 2024-04-12 | 芜湖美杰特数控科技有限公司 | Chuck base capable of positioning collet chuck in front and back |
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