A kind of carbon felt heat-preservation cylinder Cylindrical Grinding Processes device
Technical field
The present invention relates to a kind of abrasive machining device, particularly relate to a kind of carbon felt heat-preservation cylinder Cylindrical Grinding Processes device.
Background technology
Carbon felt is to be woven into felt by polyacrylonitrile-radical, viscose base or pitch-based fiber, through the class material that carbonization is made.Carbon
Felt had both had the characteristic such as high temperature resistant, corrosion-resistant, melted of general carbon materials, had again flexibility and the bullet of fibrous material
Property.The bulk density of carbon felt is little, heat conductivity is low, is widely used in vacuum drying oven, the high temperature furnace of nonoxidizing atmosphere, high temperature sensing
The heat preservation structural component of stove and vacuum film-coated furnace etc..
The thickness of common soft carbon felt is 5~15mm, in order to make carbon felt reach the insulation layer thickness of requirement, it is necessary to by 5~
The carbon felt cutting of 15mm is wrapped up several layers and is made solidification carbon felt, carries out bonding with resin between layers, at then carbonization, high temperature
Reason.
The carbon felt heat-preservation cylinder that prior art makes has not processing excircles, also has processing excircles;Do not has the guarantor of processing excircles
Temperature cylinder outward appearance is poor, and dimensional discrepancy is bigger, and diameter dimension is generally up to ± 15mm;The heat-preservation cylinder of processing excircles generally uses general
Lathe process, owing to carbon felt heat-preservation cylinder quality is softer, clamping alignment is very inconvenient, and labor efficiency is relatively low;Carbon felt is incubated
The outward appearance of cylinder and dimensional discrepancy (diameter dimension ± 6mm) are though comparing unprocessed making moderate progress, but are difficult to reach client more
Carrying out the highest requirement, diameter dimension deviation reaches ± 3mm.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the drawbacks described above that prior art exists, it is provided that a kind of working (machining) efficiency
Height, and heat-preservation cylinder excircle dimension precision can be improved, and the carbon felt heat-preservation cylinder cylindricalo grinding that heat-preservation cylinder excircle dimension is stable can be realized
Processing unit (plant).
The technical solution adopted for the present invention to solve the technical problems is: a kind of carbon felt heat-preservation cylinder Cylindrical Grinding Processes dress
Put, including frame, feed support, feed mechanism, support wheel assembly two groups;Described two groups of support wheel assemblies are installed in parallel in described
The top of frame, is provided with motor bottom described frame, described motor is connected with described support wheel assembly by actuating device I;Institute
Stating feed support and be provided with grinding roller and motor, described motor is connected with described grinding roller by actuating device II, in described frame and
It is provided with linear bearing between described feed frame bottom;Described feed mechanism be arranged on described frame and described feed support it
Between, realize described feed support by described feed mechanism and move in described frame.
Further, described support wheel assembly includes supporting wheel shaft, supporting wheel and end bearing base bearing, and described support is taken turns
Be arranged on described support wheel shaft, and can moving axially along described support wheel shaft, with adapt to differing heights carbon felt be incubated
The clamping of cylinder.
Further, described carbon felt heat-preservation cylinder is arranged on the cylindrical of cylindrical die, and described cylindrical die is together with on it
Described carbon felt heat-preservation cylinder be arranged on described support wheel on, realize the automatic alignment of carbon felt heat-preservation cylinder when of clamping.
Further, it is provided with hatching knurling described support on the face of cylinder that wheel contacts with described cylindrical die, to increase
The big described coefficient of friction supported between wheel and described cylindrical die, skids when preventing cylindrical die from rotating.
Further, described actuating device I is sprocket wheel chain gearing, and described support wheel assembly end is provided with sprocket wheel,
The end of the power transmission shaft of described motor is provided with sprocket wheel, is connected by chain between sprocket wheel with sprocket wheel.
Further, described actuating device II is belt drive unit, and the end of described grinding roller is provided with belt pulley, described horse
The end of the power transmission shaft reached is provided with belt pulley, is connected by belt strip between belt pulley with belt pulley, it is achieved motor drives mill
Roller high-speed rotation.
Further, described frame is industry profile splicing structure or lead frame structure.
Further, described feed mechanism is screw mandrel feed mechanism, and the end of described screw mandrel feed mechanism is provided with handwheel, logical
Cross rotation hand wheel and realize feed support feed and withdrawing.
Further, the work surface of described grinding roller is coated with abrasion resistant particles corundum or silica dioxide granule, described corundum
Or the particle diameter of silica dioxide granule is 40-100 mesh.
Further, the lower section at described grinding roller is additionally provided with dust arrester.
Apparatus of the present invention drive manner: adjust the gap supported between wheel to adapt to mould → by cylindrical die together with on it
Carbon felt heat-preservation cylinder be arranged on described support wheel upper → start motor, cylindrical die is supporting together with carbon felt heat-preservation cylinder thereon
Rotating → start motor on wheel, drive grinding roller high-speed rotation → rotation handwheel, feed support slides to heat-preservation cylinder, works as contact roll
Heat-preservation cylinder surface starts grinding heat-preservation cylinder cylindrical → be machined to require outside dimension, returns feed support, stop motor and
Motor → take off cylindrical die together with carbon felt heat-preservation cylinder thereon, the demoulding, measurement size.
Compared with prior art, the invention have the advantages that
(1) with apparatus of the present invention grinding carbon felt heat-preservation cylinder cylindrical, convenient mounting and clamping, automatic alignment, production efficiency is higher;
(2) present configuration is compact, low cost of manufacture, and grinding efficiency is high, and equipment operation and maintenance is easy, and the carbon felt being processed into is protected
Temperature cylinder excircle dimension deviation little (≤3mm), steady quality.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention 1;
Fig. 2 is the front view of embodiment illustrated in fig. 1;
Fig. 3 is the top view of embodiment illustrated in fig. 1;
Fig. 4 is the support wheel sectional view of embodiment illustrated in fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment device includes frame 1, feed support 2, feed mechanism 3, supports wheel assembly
4 liang of groups;Described two groups of support wheel assemblies 4 are installed in parallel in the top of described frame 1, are provided with motor 11, institute bottom described frame 1
State motor 11 to be connected with described support wheel assembly 4 by actuating device I 44;Described feed support 2 is provided with grinding roller 21 and motor
24, described motor 24 is connected with described grinding roller 21 by actuating device II 23, bottom described frame 1 with described feed support 2
Between be provided with linear bearing 22;Described feed mechanism 3 is arranged between described frame 1 and described feed support 2, by described enter
Realize described feed support 2 to mechanism 3 to move in described frame 1.
Described support wheel assembly 4 includes supporting wheel shaft 41, supporting wheel 42 and end bearing base bearing 43, and described support is taken turns
42 be arranged on described support wheel shaft 41 and can moving axially along described support wheel shaft 41, to be suitable for the carbon felt of differing heights
The clamping of heat-preservation cylinder 51.
Described carbon felt heat-preservation cylinder 51 is arranged on the cylindrical of cylindrical die 5, and described cylindrical die 5 is together with institute thereon
State carbon felt heat-preservation cylinder 51 and be arranged on described support on wheel 42, the when of clamping, realize the automatic alignment of carbon felt heat-preservation cylinder 51.
In order to increase the described coefficient of friction supported between wheel 42 and described cylindrical die 5, described cylindrical die 5 rotates
Time non-slip, described support is provided with hatching knurling on the faces of cylinder 421 that contact with described cylindrical die 5 of wheel 42.
Described actuating device I 44 is sprocket wheel chain gearing, and described support wheel assembly 4 end is provided with sprocket wheel,
The end part of driving shaft of described motor 11 is provided with sprocket wheel, is connected by chain between sprocket wheel with sprocket wheel.
Described actuating device II 23 is belt drive unit, and described grinding roller 21 end is provided with belt pulley, described motor 24
End part of driving shaft be provided with belt pulley, be connected by belt strip between belt pulley with belt pulley, it is achieved motor 24 drives grinding roller 21
High-speed rotation.
Described frame 1 is industry profile splicing structure.
Described feed mechanism 3 is screw mandrel feed mechanism, and the end of described screw mandrel feed mechanism is provided with handwheel 31, by rotation
Change hands wheel 31 and realize feed support 2 feed and withdrawing.
Being coated with corundum (SiC) granule on the work surface of described grinding roller 21, the particle diameter of described particles of silicon carbide is 80 mesh;?
The lower section of described grinding roller 21 is additionally provided with dust arrester.
Hereinafter processing external diameter is 1015mm, and internal diameter is 940mm, and height is the carbon felt heat-preservation cylinder 51 cylindrical product of 600mm, hair
Base diameter is 1025-1045mm, and internal diameter is 940mm, and height is 600mm.
The present embodiment device drive manner: adjust the gap that supports between wheel 42 to adapt to cylindrical die 5 → by cylinder
Mould 5 is arranged on described support wheel 42 → startup motor 11 together with carbon felt heat-preservation cylinder 51 thereon, and cylindrical die 5 is together with it
On carbon felt heat-preservation cylinder 51 support wheel 42 on rotate → start motor, drive grinding roller 21 high-speed rotation → rotation handwheel 31, enter
Knife support 2 slides to carbon felt heat-preservation cylinder 51, starts grinding carbon felt heat-preservation cylinder when grinding roller 21 contacts carbon felt heat-preservation cylinder 51 surface
51 cylindricals → be machined to require outside dimension 1015mm, return feed support 2, stop motor and motor 11 → take off cylindrical mould
Tool 5 is together with carbon felt heat-preservation cylinder 51 thereon, the demoulding, measurement size: outside dimension is 1015 ± 1.0mm.Statistics clamping, dismounting and
The grinding time is 25min, and same carbon felt heat-preservation cylinder 51, clamping, dismounting and turnery processing time are processed in traditional vehicle lathe turning
For 3h30min, measurement size: outside dimension is 1015 ± 6.0mm.
Embodiment 2
The present embodiment differs only in embodiment 1: described frame 1 is section bar lead frame structure;The work of described grinding roller
Being coated with abrasion resistant particles silica dioxide granule on face, the particle diameter of described silica dioxide granule is 100 mesh.
Processing external diameter is 1015mm, and internal diameter is 940mm, and height is the carbon felt heat-preservation cylinder 51 cylindrical product of 600mm, blank chi
Very little external diameter is 1025-1045mm, and internal diameter is 940mm, and height is 600mm.
Measurement size: outside dimension is 1015 ± 0.8mm.Statistics clamping, dismounting and grinding time are 30min, pass
Same carbon felt heat-preservation cylinder 51 is processed in system lathe turning, and clamping, dismounting and turnery processing time are 3h30min, measurement size: external diameter
A size of 1015 ± 5.0mm.
Remaining is with embodiment 1.
Embodiment 3
The present embodiment differs only in embodiment 1: described frame 1 is section bar lead frame structure;The work of described grinding roller
Being coated with abrasion resistant particles silica dioxide granule on face, the particle diameter of described silica dioxide granule is 40 mesh.
Processing external diameter is 1015mm, and internal diameter is 940mm, and height is the carbon felt heat-preservation cylinder 51 cylindrical product of 600mm, blank chi
Very little external diameter is 1025-1045mm, and internal diameter is 940mm, and height is 600mm.
Measurement size: outside dimension is 1015 ± 1.5mm.Statistics clamping, dismounting and grinding time are 22min, pass
Same carbon felt heat-preservation cylinder 51 is processed in system lathe turning, and clamping, dismounting and turnery processing time are 3h30min, measurement size: external diameter
A size of 1015 ± 5.0mm.
Remaining is with embodiment 1.
Below it is only presently preferred embodiments of the present invention, is only intended to help to understand the core concept of the present invention.It should be pointed out that,
To those of ordinary skill in the art, under the premise without departing from the principles of the invention, it is also possible to if the present invention is carried out
Dry improvement and modification, these improve and modify the protection domain falling within the claims in the present invention.