CN110340384A - A kind of grease lubrication main shaft - Google Patents
A kind of grease lubrication main shaft Download PDFInfo
- Publication number
- CN110340384A CN110340384A CN201910630738.9A CN201910630738A CN110340384A CN 110340384 A CN110340384 A CN 110340384A CN 201910630738 A CN201910630738 A CN 201910630738A CN 110340384 A CN110340384 A CN 110340384A
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- CN
- China
- Prior art keywords
- block
- main shaft
- ring
- position limiting
- locating ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004519 grease Substances 0.000 title claims abstract description 21
- 238000005461 lubrication Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 241000883990 Flabellum Species 0.000 claims description 10
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000013632 homeostatic process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to grease lubrication main shaft field, specifically a kind of grease lubrication main shaft, including pedestal, rubber stopper, gear, sleeve, main axle structure, grasping structures, bearing, ash-clearing structure and position limiting structure；It is fixed between transmission ring and block by position limiting structure, transmission ring is limited by position limiting structure in the centrifugal force and position limiting structure homeostasis state of main axle structure rotation, when emergency stop occurs for main axle structure, position limiting structure drives transmission ring to separate with block under effect of inertia, and then make grasping structures that can not clamp workpiece, it and then continue to rotate main axle structure can, and then effectively prevent main axle structure emergency stop from causing cutter and its motor damage, the use of ash-clearing structure, keep main axle structure position limiting structure in normal rotation more stable, position limiting structure disperses air-flow, effectively preventing main axle structure, wind-force is excessive when rotating at high speed, the scrap of cutting is set to splash, and then substantially increase deashing quality.
Description
Technical field
The present invention relates to grease lubrication main shaft field, specifically a kind of grease lubrication main shaft.
Background technique
Main shaft refers to that the axis for receiving power from engine or motor and it being transmitted to other parts, machine tool chief axis refer to machine
The axis that workpiece or cutter rotation are driven on bed, usually forms spindle unit by main shaft, bearing and driving member (gear or belt wheel) etc.,
It is mainly used to support driving parts such as gear, belt wheel, passing movement and torque, such as machine tool chief axis in the machine；Some is used to fill
Press from both sides workpiece.
However, be easy to causeing workpiece stress not when main shaft clamps the workpiece of cylindrical structure of different sizes in lathe
Uniformly, the impression of depth is generated on the workpiece surface for making hardness poor, and scrap is easily accessible main shaft in the process of production and processing
Inside, under the influence of subjob clamping quality, when tool damage or operation error make cutter directly contradict workpiece, be easy to
Main shaft can not rotate when touching, make spindle scram, and then be easily damaged cutter and its main shaft body, and motor mistake is be easy to cause when serious
Carry damage.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of grease lubrication main shafts.
The technical solution adopted by the present invention to solve the technical problems is: a kind of grease lubrication main shaft, including pedestal, rubber
Plug, gear, sleeve, main axle structure, grasping structures, bearing, ash-clearing structure and position limiting structure；The pedestal is fixed on cylindrical body knot
The side wall of the sleeve of structure；For being rotatablely connected between the main axle structure and the sleeve of transmission, the sleeve it is interior
Portion is equipped with the bearing for guiding, and the pedestal is equipped with the rubber stopper for being sealed to grease lubrication oilhole,
Engaging between the rubber stopper and the pedestal, the main axle structure passes through to be rotatablely connected between the bearing and the sleeve,
One end of the main axle structure is connected to described；The main axle structure is equipped with away from one end of the gear for clamping cylindrical body
The grasping structures of workpiece, the grasping structures are connected to the position limiting structure；The inside of the main axle structure is equipped with and is used for
Clear up the ash-clearing structure of the cutting scrap of the inside of the grasping structures.
Specifically, the main axle structure includes main shaft body and end cap, the main shaft body of cylindrical structure through
The bearing, for the main shaft body by being rotatablely connected between the bearing and the sleeve, the gear is fixed on the master
One end of shaft body, the end cap are fixed by bolts in the other end of the main shaft body.
Specifically, the grasping structures include clamping plate, limited block, through-hole, transmission ring, locating ring, block, drive block, cunning
The through-hole of bar, reset spring and screw rod, cylindrical structure through the end cap and extends in the main shaft body
Portion, the locating ring are fixed on the end of the main shaft body, and the locating ring and the end cap are contradicted, set on the locating ring
Have a transmission ring being slidably connected, the screw rod through being connected to the end cap and the transmission ring, the screw rod with it is described
It is rotatablely connected between end cap, and is threadedly coupled between the screw rod and the transmission ring, pass through the limit on the transmission ring
Construction circumference array set there are three section as the trapezoidal block, be slidably connected between the block and the locating ring, institute
It states block and section is the drive block conflict of trapezium structure, be slidably connected between the drive block and the locating ring, institute
State that drive block is vertical with the glide direction of the block, the bottom end of the drive block is equipped with the clamping plate of arcuate structure, and institute
The limited block that clamping plate is equipped with semi-circular shape structure is stated, the slide bar of circular ring shape, the cunning are fixed on the clamping plate
It is slidably connected between bar and the locating ring, the inside of the slide bar is equipped with the reset spring, and the reset spring deviates from institute
The one end and the locating ring for stating clamping plate contradict.
Specifically, the position limiting structure includes three sliding sleeves, driver plate, diversion trench, fixture block, piston, elastic slice, tracheae, limits
Position spring, sealing-plug and valve, the sliding sleeve circumference array of three arcuate structures are set to the inside of the locating ring, arc knot
Be slidably connected between the driver plate and the sliding sleeve of structure, the thickness of the driver plate from the locating ring to center of circle direction by
Decrescence small, the diversion trench is connected through the main shaft body and with the through-hole, and the end of the driver plate, which is equipped with, to be used for
To the sealing-plug for the truncated cone-shaped that the accommodating cavity of the inside of the sliding sleeve is sealed, one end of the limit spring is contradicted
In the driver plate, the other end of the limit spring contacts at the sliding sleeve, is set on the sliding sleeve there are two small-sized institute
Valve is stated, two valves are both turned in the accommodating cavity of the inside of the sliding sleeve, and one end of the tracheae is fixed on wherein
One valve, the other end of the tracheae through the locating ring and extend to the block inside cavity
In, it is slidably connected between the piston and the block, the institute for being connected to the piston is equipped in the accommodating cavity of the block
Elastic slice is stated, the end of the piston is equipped with the fixture block for being limited to the block, the transmission ring and the gear
It is fixed between block by the fixture block.
Specifically, the ash-clearing structure includes clamping ring and multiple flabellums, the main shaft is fixed in one end of the flabellum
The other end of the inside of ontology, the flabellum of multiple circumference array distributions is fixed on the clamping ring of cylindrical structure.
Beneficial effects of the present invention:
(1) inside of a kind of grease lubrication main shaft of the present invention, main axle structure is equipped with ash-clearing structure, and main axle structure is covering
Promote air circulation when the inner high speed rotation of cylinder, generates gear toward the air-flow in grasping structures direction, cut by air flow cleaning
Accumulate in the scrap in grasping structures in the process, and then avoid cutting scrap to influence clamping next time quality, at the same to workpiece and
Its main axle structure has the function of cooling, improves the production and processing quality of workpiece.
(2) a kind of grease lubrication main shaft of the present invention, is fixed between transmission ring and block by position limiting structure,
The centrifugal force and position limiting structure homeostasis state of main axle structure rotation limit transmission ring by position limiting structure, work as main shaft
When emergency stop occurs for structure, position limiting structure drives transmission ring to separate with block under effect of inertia, and then press from both sides grasping structures can not
Workpiece is taken, and then continue to rotate main axle structure can, and then effectively prevents main axle structure emergency stop from cutter and its motor being caused to damage
Bad, the use of ash-clearing structure keeps main axle structure position limiting structure in normal rotation more stable, position limiting structure to air-flow into
Row dispersion, effectively preventing main axle structure, wind-force is excessive when rotating at high speed, so that the scrap of cutting is splashed, and then substantially increase
Deashing quality.
(3) a kind of grease lubrication main shaft of the present invention, grasping structures are set to the end of main axle structure, increase clamping knot
Contact area between structure and workpiece, and then effectively prevent from generating catcher mark when the poor workpiece holding of hardness and influence the outer of workpiece
It sees, while improving the fixed mass of workpiece.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of a kind of preferred embodiment overall structure diagram of grease lubrication main shaft provided by the invention；
Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；
Fig. 3 is the attachment structure schematic diagram of main axle structure shown in Fig. 2 and grasping structures；
Fig. 4 is the portion B shown in Fig. 3 enlarged diagram；
Fig. 5 is the attachment structure schematic diagram of position limiting structure shown in Fig. 3 and locating ring；
Fig. 6 is the portion C shown in fig. 5 enlarged diagram.
In figure: 1, pedestal, 2, rubber stopper, 3, gear, 4, sleeve, 5, main axle structure, 51, main shaft body, 52, end cap, 6,
Grasping structures, 61, clamping plate, 62, limited block, 63, through-hole, 64, transmission ring, 65, locating ring, 66, block, 67, drive block, 68,
Slide bar, 69, reset spring, 69a, screw rod, 7, bearing, 8, ash-clearing structure, 81, clamping ring, 82, flabellum, 9, position limiting structure, 91,
Sliding sleeve, 92, driver plate, 93, diversion trench, 94, fixture block, 95, piston, 96, elastic slice, 97, tracheae, 98, limit spring, 99, sealing
Plug, 99a, valve.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in figs 1 to 6, a kind of grease lubrication main shaft of the present invention, including pedestal 1, rubber stopper 2, gear 3, sleeve
4, main axle structure 5, grasping structures 6, bearing 7, ash-clearing structure 8 and position limiting structure 9；The pedestal 1 is fixed on cylindrical structure
The side wall of the sleeve 4；For being rotatablely connected between the main axle structure 5 and the sleeve 4 of transmission, the sleeve 4 it is interior
Portion is equipped with the bearing 7 for guiding, and the pedestal 1 is equipped with the rubber stopper for being sealed to grease lubrication oilhole
2, engage between the rubber stopper 2 and the pedestal 1, the main axle structure 5 passes through and turns between the bearing 7 and the sleeve 4
Dynamic connection, one end of the main axle structure 5 is connected to described 3；The main axle structure 5 is equipped with away from one end of the gear 3 and uses
In the grasping structures 6 of clamping cylindrical workpiece, the grasping structures 6 are connected to the position limiting structure 9；The main axle structure
5 inside is equipped with the ash-clearing structure 8 of the cutting scrap of the inside for clearing up the grasping structures 6.
Specifically, the main axle structure 5 includes main shaft body 51 and end cap 52, the main shaft body 51 of cylindrical structure
Through the bearing 7, the main shaft body 51 between the bearing 7 and the sleeve 4 by being rotatablely connected, the gear 3
It is fixed on one end of the main shaft body 51, the end cap 52 is fixed by bolts in the other end of the main shaft body 51；Institute
It states and is bolted between end cap 52 and the main shaft body 51, and then the grasping structures 6 easy to disassemble, to the grasping structures
6 are overhauled and are safeguarded.
Specifically, the grasping structures 6 include clamping plate 61, limited block 62, through-hole 63, transmission ring 64, locating ring 65, block
66, drive block 67, slide bar 68, reset spring 69 and screw rod 69a, the through-hole 63 of cylindrical structure is through the end cap 52
And the inside of the main shaft body 51 is extended to, the locating ring 65 is fixed on the end of the main shaft body 51, the positioning
Circle 65 is contradicted with the end cap 52, and the locating ring 65 is equipped with the transmission ring 64 being slidably connected, and the screw rod 69a runs through
It is connected to the end cap 52 and the transmission ring 64, is rotatablely connected between the screw rod 69a and the end cap 52, and the screw rod
Be threadedly coupled between 69a and the transmission ring 64, set on the transmission ring 64 by 9 circumference array of position limiting structure there are three
Section is the trapezoidal block 66, is slidably connected between the block 66 and the locating ring 65, the block 66 and section
It contradicts for the drive block 67 of trapezium structure, is slidably connected between the drive block 67 and the locating ring 65, the driving
Block 67 is vertical with the glide direction of the block 66, and the bottom end of the drive block 67 is equipped with the clamping plate 61 of arcuate structure, and
The clamping plate 61 is equipped with the limited block 62 of semi-circular shape structure, and the slide bar of circular ring shape is fixed on the clamping plate 61
68, it is slidably connected between the slide bar 68 and the locating ring 65, the inside of the slide bar 68 is equipped with the reset spring 69, institute
Reset spring 69 is stated to contradict away from one end of the clamping plate 61 and the locating ring 65；When the workpiece of stationary cylinder structure,
Workpiece is set between three clamping plates 61, is engaged by allen wrench with the end of the screw rod 69a, the screw rod
It is rotatablely connected between 69a and the end cap 52, is threadedly coupled between the screw rod 69a and the transmission ring 64, and then drive institute
State and slided between transmission ring 64 and the locating ring 65, make the block 66 on the transmission ring 64 and the locating ring 65 it
Between slide, and then the block 66 is made to contradict the drive block 67, is slided between the drive block 67 and the locating ring 65, into
And so that the drive block 67 is contradicted the clamping plate 61, workpiece is carried out by the clamping plate 61 it is tentatively fixed, when continuing to drive institute
When stating screw rod 69a, 62 workpiece of limited block is contradicted, and is squeezed and deformed the limited block 62, and then is significantly increased and workpiece
Contact area, while the reset spring 69 extends, and slides between the slide bar 68 and the locating ring 65, and then makes described
Clamping plate 61 clamps that workpiece is more stable, and then effectively prevents from generating catcher mark when the poor workpiece holding of hardness and influence the outer of workpiece
It sees, while improving the fixed mass of workpiece, when dismantling workpiece, opposite direction turns the screw rod 69a, and the reset spring 69 is received
Contracting drives and slides between the slide bar 68 and the locating ring 65, and the slide bar 68 drives the clamping plate 61 away from workpiece, makes institute
The drive block 67 stated on clamping plate 61 resets, and the clamping plate 61 when dismantling workpiece is convenient in the use of the reset spring 69
It is automatically separated with workpiece, while the limited block 62 resets, and the scrap on the limited block 62 is bounced, scrap is effectively prevented
Influence next fixed mass.
Specifically, the position limiting structure 9 includes three sliding sleeves 91, driver plate 92, diversion trench 93, fixture block 94, piston 95, bullet
Piece 96, tracheae 97, limit spring 98, sealing-plug 99 and valve 99a, 91 circumference array of the sliding sleeve of three arcuate structures are set to
The inside of the locating ring 65 is slidably connected between the driver plate 92 and the sliding sleeve 91 of arcuate structure, the driver plate
92 thickness is gradually reduced from the locating ring 65 to center of circle direction, the diversion trench 93 through the main shaft body 51 and with
The through-hole 63 is connected, and the end of the driver plate 92 is equipped with to be sealed for the accommodating cavity of the inside to the sliding sleeve 91
Truncated cone-shaped the sealing-plug 99, one end of the limit spring 98 contacts at the driver plate 92, the limit spring 98
Other end contact at the sliding sleeve 91, set on the sliding sleeve 91 there are two the small-sized valve 99a, two valves
99a is both turned in the accommodating cavity of the inside of the sliding sleeve 91, one of them described valve is fixed in one end of the tracheae 97
The other end of 99a, the tracheae 97 through the locating ring 65 and extend in the cavity of inside of the block 66, institute
It states and is slidably connected between piston 95 and the block 66, be equipped in the accommodating cavity of the block 66 and be connected to the piston 95
The elastic slice 96, the end of the piston 95 are equipped with the fixture block 94 for being limited to the block 66, the transmission
It is fixed by the fixture block 94 between ring 64 and the block 66；It is installing between the locating ring 65, is being connected first by air pump
It is connected to a valve 99a for being not attached to the tracheae 97, gas is added to the inside of the tracheae 97 and its accommodating cavity
Body, under the influence of air pressure, the piston 95 drive the fixture block 94 to engage with the transmission ring 64, and the elastic slice 96 extends,
The main shaft body 51 under centrifugal force and the active force of the limit spring 98, makes the sealing-plug 99 while rotation
It contradicts the sliding sleeve 91 to be sealed the storage cavities of the inside of the sliding sleeve 91, effectively prevents gas from the sliding sleeve 91
Inside discharge so that workpiece is contradicted cutter, when making 51 all standing of main shaft body, in inertia when tool damage or operation error
It under effect, is slidably connected between the drive block 92 and the sliding sleeve 91, the drive block 92 drives the limit spring 98 to receive
Contracting, the drive block 92 contradicts accommodating cavity blow-by of the sealing-plug 99 to the inside of the sliding sleeve 91, and then makes gas
It is discharged from the inside of the sliding sleeve 91, and then reduces the internal pressure of the tracheae 97, the elastic slice 96 drives the piston
It is slidably connected between 95 and the block 66, and then separates the fixture block 94 with the transmission ring 64, due to the main shaft sheet
Body 51 produces shake, so the fixture block 94 separates very well with the transmission ring 64, and then drives the reset spring 69
It is slided between the slide bar 68 and the locating ring 65, the reset spring 69, which is shunk, drives the slide bar 68 and the locating ring
It is slided between 65, the slide bar 68 drives the clamping plate 61 away from workpiece, and then so that workpiece is fallen off, and then make the main shaft body
51 can continue to rotate, and then effectively prevent 5 emergency stop of main axle structure from causing cutter and its motor damage.
Specifically, the ash-clearing structure 8 includes clamping ring 81 and multiple flabellums 82, institute is fixed in one end of the flabellum 82
The inside of main shaft body 51 is stated, the other end of the flabellum 82 of multiple circumference array distributions is fixed on the institute of cylindrical structure
State clamping ring 81；During 51 high speed rotation of main shaft body, the gear 3 is generated toward 93 direction of diversion trench
Air-flow is entered in the through-hole 63 cleaning cutting process by air-flow and accumulates in the scrap in the grasping structures 6, and then avoided
Cutting scrap influences clamping next time quality, while having the function of cooling down to workpiece and its main axle structure 5, improves work
The production and processing quality of part, the air-flow for rotating generation push the driver plate 92, generate the driver plate 92 away from the limit
The power in position 98 direction of spring, and then make the better tightness between the sealing-plug 99 and the sliding sleeve 91, make the main shaft knot
The fixture block 94 in normal rotation of structure 5 is more stable, while the driver plate 92 disperses air-flow, effective anti-
Only wind-force is excessive when rotating at high speed for the main axle structure 5, so that the scrap of cutting is splashed, and then substantially increase deashing quality.
When in use, when the workpiece of stationary cylinder structure, workpiece is set between three clamping plates 61, interior hexagonal is passed through
Spanner engages with the end of screw rod 69a, is rotatablely connected between screw rod 69a and end cap 52, screw thread between screw rod 69a and transmission ring 64
Connection, and then drive and slided between transmission ring 64 and locating ring 65, make sliding between the block 66 on transmission ring 64 and locating ring 65
It is dynamic, and then block 66 is made to contradict drive block 67, it is slided between drive block 67 and locating ring 65, and then drive block 67 is made to contradict clamping plate
61, workpiece tentatively fix by clamping plate 61, when continuing to drive screw rod 69a, 62 workpiece of limited block is contradicted, and makes limited block
62 are squeezed and deformed, and then significantly increase the contact area with workpiece, while reset spring 69 extends, slide bar 68 and locating ring 65
Between slide, and then it is more stable so that clamping plate 61 is clamped workpiece, and then generation when effectively preventing hardness poor workpiece holding
Catcher mark influences the appearance of workpiece, while improving the fixed mass of workpiece, and when dismantling workpiece, opposite direction turns screw rod 69a, resets
Spring 69 is shunk to be slided between driving slider 68 and locating ring 65, and slide bar 68 drives clamping plate 61 to deviate from workpiece, makes on clamping plate 61
Drive block 67 resets, the use of reset spring 69, convenient for when dismantling workpiece, clamping plate 61 is automatically separated with workpiece, is limited simultaneously
Block 62 resets, and the scrap on limited block 62 is bounced, and effectively prevents scrap from influencing next fixed mass；In installation locating ring 65
Between, a valve 99a for being not attached to tracheae 97 is connected to by air pump first, to the inside of tracheae 97 and its accommodating cavity
Gas is added, under the influence of air pressure, piston 95 drives fixture block 94 to engage with transmission ring 64, and elastic slice 96 extends, main shaft body 51
While rotation, under centrifugal force and the active force of limit spring 98, sealing-plug 99 is made to contradict sliding sleeve 91 in sliding sleeve 91
The storage cavities in portion are sealed, and are effectively prevented gas to be discharged from the inside of sliding sleeve 91, when tool damage or operation error, are made
Workpiece contradicts cutter, when making 51 all standing of main shaft body, under effect of inertia, is slidably connected between drive block 92 and sliding sleeve 91, passes
Motion block 92 drives limit spring 98 to shrink, and drive block 92 contradicts accommodating cavity blow-by of the sealing-plug 99 to the inside of sliding sleeve 91,
And then gas being discharged from the inside of sliding sleeve 91, and then reduce the internal pressure of tracheae 97, elastic slice 96 drives piston 95 and gear
It is slidably connected between block 66, and then separates fixture block 94 with transmission ring 64, since main shaft body 51 produces shake, so fixture block
94 separate very well with transmission ring 64, and then make to slide between 69 driving slider 68 of reset spring and locating ring 65, reset spring 69
It shrinks and is slided between driving slider 68 and locating ring 65, slide bar 68 drives clamping plate 61 to deviate from workpiece, and then workpiece is made to fall off, in turn
It continue to rotate main shaft body 51 can, and then effectively prevent 5 emergency stop of main axle structure from causing cutter and its motor damage；In main shaft
During 51 high speed rotation of ontology, gear 3 is generated toward the air-flow in 93 direction of diversion trench, the cleaning of through-hole 63 is entered by air-flow and is cut
The scrap in grasping structures 6 is accumulated in during cutting, and then avoid cutting scrap to influence clamping next time quality, while to workpiece
And its main axle structure 5 has the function of cooling, improves the production and processing quality of workpiece, the air-flow for rotating generation pushes driver plate
92, so that driver plate 92 is generated the power for deviating from 98 direction of limit spring, and then make leakproofness between sealing-plug 99 and sliding sleeve 91 more
It is good, keep the fixture block 94 in normal rotation of main axle structure 5 more stable, while driver plate 92 disperses air-flow, effectively
The main axle structure 5 that prevents wind-force is excessive when rotating at high speed, so that the scrap of cutting is splashed, and then substantially increase deashing quality.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (5)
1. a kind of grease lubrication main shaft, it is characterised in that: including pedestal (1), rubber stopper (2), gear (3), sleeve (4), main shaft knot
Structure (5), grasping structures (6), bearing (7), ash-clearing structure (8) and position limiting structure (9)；The pedestal (1) is fixed on cylindrical body knot
The side wall of the sleeve (4) of structure；It is described for being rotatablely connected between the main axle structure (5) and the sleeve (4) of transmission
The inside of sleeve (4) is equipped with the bearing (7) for guiding, and the pedestal (1) is equipped with for carrying out to grease lubrication oilhole
The rubber stopper (2) of sealing, engages, the main axle structure (5) passes through institute between the rubber stopper (2) and the pedestal (1)
It states and is rotatablely connected between bearing (7) and the sleeve (4), one end of the main axle structure (5) is connected to (3)；The master
Axle construction (5) is equipped with the grasping structures (6) for clamping cylindrical workpiece, the folder away from the one end of the gear (3)
Structure (6) is taken to be connected to the position limiting structure (9)；The inside of the main axle structure (5) is equipped with for clearing up the grasping structures
(6) ash-clearing structure (8) of the cutting scrap of inside.
2. a kind of grease lubrication main shaft according to claim 1, it is characterised in that: the main axle structure (5) includes main shaft sheet
Body (51) and end cap (52), the main shaft body (51) of cylindrical structure is through the bearing (7), the main shaft body
(51) by being rotatablely connected between the bearing (7) and the sleeve (4), the gear (3) is fixed on the main shaft body
(51) one end, the end cap (52) are fixed by bolts in the other end of the main shaft body (51).
3. a kind of grease lubrication main shaft according to claim 2, it is characterised in that: the grasping structures (6) include clamping plate
(61), limited block (62), through-hole (63), transmission ring (64), locating ring (65), block (66), drive block (67), slide bar (68),
The through-hole (63) of reset spring (69) and screw rod (69a), cylindrical structure through the end cap (52) and extends to institute
The inside of main shaft body (51) is stated, the locating ring (65) is fixed on the end of the main shaft body (51), the locating ring
(65) it is contradicted with the end cap (52), the locating ring (65) is equipped with the transmission ring (64) being slidably connected, the screw rod
(69a) turns between the screw rod (69a) and the end cap (52) through the end cap (52) and the transmission ring (64) is connected to
Dynamic connection, and be threadedly coupled between the screw rod (69a) and the transmission ring (64), pass through the limit on the transmission ring (64)
Bit architecture (9) circumference array sets that there are three sections as the trapezoidal block (66), the block (66) and the locating ring
(65) it is slidably connected between, the block (66) and section contradict for the drive block (67) of trapezium structure, the drive block
(67) it being slidably connected between the locating ring (65), the drive block (67) is vertical with the glide direction of the block (66),
The bottom end of the drive block (67) is equipped with the clamping plate (61) of arcuate structure, and the clamping plate (61) is equipped with semi-circular shape knot
The limited block (62) of structure is fixed with the slide bar (68) of circular ring shape, the slide bar (68) and institute on the clamping plate (61)
It states and is slidably connected between locating ring (65), the inside of the slide bar (68) is equipped with the reset spring (69), the reset spring
(69) it is contradicted away from the one end of the clamping plate (61) and the locating ring (65).
4. a kind of grease lubrication main shaft according to claim 3, it is characterised in that: the position limiting structure (9) includes three cunnings
Cover (91), driver plate (92), diversion trench (93), fixture block (94), piston (95), elastic slice (96), tracheae (97), limit spring
(98), the sliding sleeve (91) circumference array of sealing-plug (99) and valve (99a), three arcuate structures is set to the locating ring
(65) inside is slidably connected between the driver plate (92) and the sliding sleeve (91) of arcuate structure, the driver plate (92)
Thickness be gradually reduced from the locating ring (65) to center of circle direction, the diversion trench (93) is through the main shaft body (51)
And be connected with the through-hole (63), the end of the driver plate (92) is equipped with empty for the receiving of the inside to the sliding sleeve (91)
One end of the sealing-plug (99) for the truncated cone-shaped that chamber is sealed, the limit spring (98) contacts at the driver plate
(92), the other end of the limit spring (98) contacts at the sliding sleeve (91), is set on the sliding sleeve (91) there are two small-sized
The valve (99a), two valves (99a) are both turned in the accommodating cavity of the inside of the sliding sleeve (91), the gas
One of them described valve (99a) is fixed in one end of pipe (97), and the other end of the tracheae (97) is through the positioning
It encloses (65) and extends in the cavity of inside of the block (66), the company of sliding between the piston (95) and the block (66)
It connects, the elastic slice (96) for being connected to the piston (95), the piston (95) is equipped in the accommodating cavity of the block (66)
End be equipped with the fixture block (94) for being limited to the block (66), the transmission ring (64) and the block
(66) fixed by the fixture block (94) between.
5. a kind of grease lubrication main shaft according to claim 2, it is characterised in that: the ash-clearing structure (8) includes clamping ring
(81) and the inside of the main shaft body (51), multiple Circle-Arrays are fixed in multiple flabellums (82), one end of the flabellum (82)
The other end of the flabellum (82) of column distribution is fixed on the clamping ring (81) of cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630738.9A CN110340384B (en) | 2019-07-12 | 2019-07-12 | Grease lubrication main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630738.9A CN110340384B (en) | 2019-07-12 | 2019-07-12 | Grease lubrication main shaft |
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| Publication Number | Publication Date |
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| CN110340384A true CN110340384A (en) | 2019-10-18 |
| CN110340384B CN110340384B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630738.9A Active CN110340384B (en) | 2019-07-12 | 2019-07-12 | Grease lubrication main shaft |
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| Country | Link |
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| CN (1) | CN110340384B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110340384B (en) | 2020-10-27 |
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Effective date of registration: 20240621 Address after: 242000, No. 298 Youyi Road, Xuancheng Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Anhui Taixin Technology Co.,Ltd. Country or region after: China Address before: 244002 three floor of No. 2 factory building No. 1688, North Taishan Road, Tongling, Anhui (Tai Xiang Industrial Park) Patentee before: ANHUI HERO ELECTRONIC SCIENCE AND TECHNOLOGY CO.,LTD. Country or region before: China |