CN204234132U - A kind of roll squeezer and high-pressure roller mill roller side antiwear device - Google Patents
A kind of roll squeezer and high-pressure roller mill roller side antiwear device Download PDFInfo
- Publication number
- CN204234132U CN204234132U CN201420629867.9U CN201420629867U CN204234132U CN 204234132 U CN204234132 U CN 204234132U CN 201420629867 U CN201420629867 U CN 201420629867U CN 204234132 U CN204234132 U CN 204234132U
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- feed pipe
- extension board
- safe edge
- 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.)
- Active
Links
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a kind of roll squeezer and high-pressure roller mill roller side antiwear device, belong to material grinding equipment technical field.Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, be respectively equipped with roller shell on the two roll shaft surfaces cooperatively interacted, wherein the edge place of each roller shell is equipped with safe edge, cooperatively interacts between roll shaft is with the safe edge of two on one end; It is characterized in that: be respectively equipped with feed pipe extension board at the two ends of roll shaft, the extension on described feed pipe extension board stretches to two roll shafts with between the safe edge on one end, makes described roller shell, safe edge and feed pipe extension board form a cavity.It is large that the utility model mainly solves roll surface edge abrasion, the problem of side shield wear resistence difference and roll surface edge abrasion and side board wearing and tearing rear generation leakage material, the material cake improved along roller cross direction distributes, improve the service life of roll surface, improve the squeezing effect of material, improve production, reduce maintenance cost.
Description
Technical field
The utility model relates to the roller side antiwear device of material grinding equipment, particularly a kind of roll squeezer and high-pressure roller mill roller side antiwear device being applicable to the industry material grinding equipment such as building material cement, metallurgical mine, chemical industry.
Background technology
Roll squeezer (high-pressure roller mill) is at special new technology, the new equipment of the industry crushing and grinding such as latest generation building material cement, metallurgical mine, chemical industry of the development of twentieth century end, exploitation, being known as by countries in the world is advanced energy-saving equipment, and worldwide achieves and apply rapidly.It under pole low energy expenditure and operating cost, can realize increasing substantially of material production; And the advantage such as it has that treating capacity is large, floor space is little, the requirement to transport and mounting condition of compact equipment and assembly is lower.At present, industrially developed country in the world, if the countries such as Germany, the U.S., Brazil, Russia, Australia are in the industrial circles such as building material cement, metallurgical mine, chemical industry, successful Application roll squeezer (high-pressure roller mill) carries out clinker, cement slurry, slag, slag, diamond dissociate, precious metal ore ore dressing, metal ore ore dressing and prepare the projects such as pelletizing feed, and achieves significant economic benefit and social benefit.
In the industry production processes such as traditional construction material cement, metallurgical mine, chemical industry, grinding pow consumption accounts for 60 ~ 70% of total power consumption, high energy consumption, poor efficiency is the hard nut to crack of the industries such as building material cement, metallurgical mine, chemical industry, seriously hampers the lifting of Business Economic Benefit and production-scale maximization.Adopt in grinding system and pulverize the roll squeezer (high-pressure roller mill) of complete lamination and the technique that forms a complete production network based on the bed of material, can coordinate with ball milling or self-organizing system form various technological process with substitute existing traditional process.Due to the change of grinding mechanism, roll squeezer (high-pressure roller mill) and system process technology thereof can make grinding system power consumption reduce by 20 ~ 60%, and output increased 25 ~ 200%, is applicable to newly found the factory or old factory capacity expansion revamping.Along with the development of grinding technology in recent years, roll squeezer (high-pressure roller mill) based on bed-grinding principle has been widely used in the grinding field of clinker, cement slurry, slag, slag, iron ore, chemical industry etc., achieving obvious energy-saving effect, is energy-saving and cost-reducing ideal equipment.
Application particularly in muck and grinding flowsheet can be to promote further selects the disposal ability of factory's crush-grind system to create conditions.And roll squeezer (high-pressure roller mill) is more suitable for the process in small, broken bits of the poor thin assorted mineral resources of China, ore can be made to realize throwing tail in advance, and result of use is very outstanding, and economic benefit also clearly.The effect of the saving Grin-ding energ7 that the use of roll squeezer (high-pressure roller mill) brings and dielectric dissipation, meets social orientation that is energy-saving and cost-reducing and low-carbon economy, achieves sustainable development.Therefore, play the large production capacity of roll squeezer (high-pressure roller mill), high energy conversion rate, large reduction ratio, the fully advantage such as selective crushing and abundant granule interior micro-crack, bear the workload of ball mill as much as possible, easily change grinding operation, thus round Realization is energy-saving and cost-reducing, Simplified flowsheet, walk the road of Intensive economy growth of low consumption, low cost, high efficiency, high production, the technological development of roll squeezer (high-pressure roller mill) is seemed particularly important.It is expected to, roll squeezer (high-pressure roller mill) in the application of mineral manufacture field on the impact of muck and grinding process flow process from now on, by the impact that the application exceeding this autogenous grinding/Semi-autogenous Grinding Technology in decades brings.The complete lamination grinding technology being representative with roll squeezer (high-pressure roller mill) and process matched therewith, will become the developing new highlights of production technology such as new century metallurgy, mine and new focus.
Although roll squeezer all achieves energy-saving effect in various degree after going into operation, also expose some problems.Such as roll surface wearing is large, roll surface wear-resisting layer material hardness is low, wear resistence is poor, have a strong impact on roll squeezer effect after wearing and tearing, particularly after roll surface edge abrasion and side board wearing and tearing, material is leaked in generation, have a strong impact on squeezing effect after leaking material thus cause equipment yield not up to standard.
Pressure distribution curve according to the roller cross direction of roll squeezer can be found out, pressure against the ends and middle part differing pressure are very large, and its reason is that the friction of feeding scraper-trough conveyer and pressing plate has been slowed down the feed rate of end, and it is owing to leaking material that pressure against the ends reduces.Strengthen end feeding for this reason and can improve pressure distribution, make end reach the pressure same with middle part even slightly high.
Generally, the material entered between roller forms a closed cavity by the adjustable plate of flexibly mounted side shield and adjustment feeding capacity, between the feeding roller of guarantee material continuous uniform.This traditional flexibly mounted side shield does not rotate with roll shaft and rotates, and can only move along roll axial direction.Material is passing through in the process between roller, and side shield will bear frictional force downward in material dropping process and axial force vertically.The axial force that side shield bears material will cause side shield away from roll shaft end face, and the gap of such side shield and roll shaft end face will be strengthened, and gap one senior general causes and Lou expects.If strengthen the supporting force of side shield to reduce the distance of side shield and roll shaft end face, the gap that can form side shield and roll shaft end face so too small and cause roll shaft end face and side dam wears excessive, the damage quickening of roll shaft and maintenance cost increasing.
At present along with roll squeezer (high-pressure roller mill) progressively applying in industries such as metallurgical mine, building materials, cement, roll surface technology, compression roller " edge effect " etc. are all key issues urgently to be resolved hurrily.For the problems referred to above, a large amount of specific aim innovative technology investigation and application exploitations is carried out to roll-in grinding system, has also had made some progress and achievement in research.As: a kind of stock stopping device of rolling press (application number 200920064934.6).But all these achievements in research all not can solve key issue at present.
Such as: elastic circular ring side shield, blocking material ring one end is fixed on roller shell end face, and wear-resistant block is fixed at roll gap edge by arc spring in one end.This kind of structure when initial launch and roll gap deviation very little can realize even running and arc spring also has certain elasticity, effectively prevent end face from leaking material, arc spring stressed also better than coach spring.Shortcoming is: 1. in use procedure, material differs greatly when causing roll gap difference larger and can cause roll shaft deflection, thus directly causes coach spring to burst apart, and the safe edge at roll surface edge also can be caused stressed excessive and peel off.2. also easily material folding between spring and roller shell end face.3. time due to leaf spring fixed dam, leaf spring bears bending out of question, but the stress surface of every section of blocking material ring is not uniform stressed, finally on leaf spring, forms larger torsional deflection, finally causes leaf spring to reverse and fractures.Therefore cause end face to damage, make effective roller reductions little, it is serious that end face leaks material.
For the installation of this structure, because leaf spring is by being bolted to roller shell end face, the fulcrum of whole leaf spring is just at bolt place, like this due to large to the arm of force of bolt from roll surface, then moment of flexure suffered by it is just very large, simultaneously due to unbalance stress on plate face, leaf spring just has torsion and exists.Concerning leaf spring, the large fragility of elastic modelling quantity is large, curved relatively good owing to being subject to, but add moment of torsion, just can form moment of flexure and moment of torsion acting in conjunction at leaf spring, add the reasons such as the precision of material folding and leaf spring processing and manufacturing, finally can cause leaf spring first bending fracture from one side, thus entirely ineffective.
A kind of stock stopping device of rolling press (application number 200920064934.6) blocking material ring is directly fixed on roller shell end face.This kind of structure when initial launch and roll gap deviation very little can realize even running, effectively prevent end face from leaking material.Shortcoming is: 1. baffle plate wearing and tearing are very fast; 2. in use procedure, material differs greatly when causing roll gap difference larger and can cause roll shaft deflection, thus directly causes blocking material ring to burst apart, and roll surface edge also can be caused stressed excessive and peel off, therefore cause end face to damage, make effective roller reductions little, it is serious that end face leaks material.3. can material folding between blocking material ring and roller shell end face.Have a strong impact on the normal use of equipment.
For the installation of this structure, because baffle plate is by being bolted to roller shell end face, the fulcrum of whole baffle plate is just at bolt place, like this due to large to the arm of force of bolt from roll surface, then moment of flexure suffered by it is just very large, simultaneously due to unbalance stress on plate face, baffle plate just has torsion and exists.Concerning the baffle plate of conventional material, springform is little, by frangibility time curved, add moment of torsion, just can form moment of flexure and moment of torsion acting in conjunction in plate face, add the reasons such as the precision of material folding and baffle plate processing and manufacturing, baffle plate bending finally can be caused to rupture, thus entirely ineffective.
Summary of the invention
Goal of the invention of the present utility model is: for above-mentioned Problems existing, a kind of roll squeezer and high-pressure roller mill roller side antiwear device are provided, mainly solve roll surface edge abrasion large, the problem of side shield wear resistence difference and roll surface edge abrasion and side board wearing and tearing rear generation leakage material, the material cake improved along roller cross direction distributes, improve the service life of roll surface, improve the squeezing effect of material, improve production, reduce maintenance cost, thus forge into the core competitiveness of equipment, huge economic benefit and social benefit can be brought.
The technical solution adopted in the utility model is as follows:
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, be respectively equipped with roller shell on the two roll shaft surfaces cooperatively interacted, wherein the edge place of each roller shell is equipped with safe edge, cooperatively interacts between roll shaft is with the safe edge of two on one end; Be respectively equipped with feed pipe extension board at the two ends of roll shaft, the extension on described feed pipe extension board stretches to two roll shafts with between the safe edge on one end, makes described roller shell, safe edge and feed pipe extension board form a cavity.
Owing to have employed said structure, just form a cavity by roller shell, safe edge, feed pipe extension board, material enters between two roll gap by this cavity, by being just fractured into material cake between two roller shells.Pressure distribution curve according to the roller cross direction of roll squeezer can be found out, roll shaft pressure against the ends and middle part differing pressure are very large, and its reason is that the friction of feeding scraper-trough conveyer and pressing plate has been slowed down the feed rate of end, and it is owing to leaking material that pressure against the ends reduces.The structure for this reason adopting roller shell, safe edge, feed pipe extension board to form feeding cavity can improve pressure distribution to strengthen end feeding, makes end reach the pressure same with middle part even slightly high.Force analysis according to material can be found out, the frictional force that middle part material mainly bears when roll shaft rotates enters between two rollers to drive material, end is due to after adding safe edge and feed pipe extension board, end material then mainly bear that feed pipe extension board gives the power of material in the middle part of roller cross direction, roll shaft rotates time frictional force to drive material to enter between two rollers and safe edge to be followed in roll shaft rotation process to material with to the frictional force between two rollers, in the middle part of the material ratio of such end, material bears two power more, because stressed larger then more easily formation expects cake.It is large that the utility model effectively solves roll surface edge abrasion, the problem of side shield wear resistence difference and roll surface edge abrasion and side board wearing and tearing rear generation leakage material, the material cake improved along roller cross direction distributes, improve the service life of roll surface, improve the squeezing effect of material, improve production, reduce maintenance cost, thus forge into the core competitiveness of equipment, huge economic benefit and social benefit can be brought.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described feed pipe extension board is provided with wear rib, and described wear rib is vertically arranged in feed pipe extension board and stretches in extension; Described feed pipe extension board there is block near the medium position lateral arrangement of roller shell stage casing one side.
Owing to have employed said structure, arrange a wear rib just to move to the direction, middle part that roller is wide before also not entering minimum roll gap to impel in material dropping process at the middle part of feed pipe extension board, reduce the density of material near the minimum roll gap in end, effectively can improve the distribution situation of material along roller cross direction like this, finally make material uniform at roller cross direction thickness, to improve production and yield rate.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, the cirque structure that described safe edge is combined into along roller shell circumference by some sections of safe edge blocks, wherein every section of safe edge block is bolted to connection on roller shell, and described safe edge is embedded on roller shell.
Owing to have employed said structure, safe edge forms by some pieces and is bolted, and when safe edge is worn, can carry out the operations such as replacing to single safe edge block, safe edge is mainly born moment of flexure and is adjusted to and bears pressure.In the past safe edge by after express material away from roller shell end face, the utility model makes the laminating of safe edge and roller shell tightr.Safe edge was by the stress point of express material in the junction of baffle plate and roller shell in the past, and stress point is adjusted to roller shell surface by the utility model, and like this, the stressed arm of force of safe edge is shorter, is conducive to the service life of prolongation baffle plate.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described safe edge is piled and is welded with wearing layer on the median surface of side, roller shell stage casing; On the surface of described safe edge and edge, all heap is welded with wearing layer.
Owing to have employed said structure, build-up wear-resistant layer on the relevant position of safe edge, this wearing layer can be formed by the material such as tungsten carbide, increases the abrasion resistance of safe edge, increases its life-span, reduce maintenance maintenance cost.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described roll shaft is overlapped in position with two safe edges of end, and the extension on described feed pipe extension board stretches between two safe edges; And between described feed pipe extension board and two safe edges, be provided with the gap of 10-30mm; The gap of 2-10mm is provided with between the edge roll surface adjacent thereto of described feed pipe extension board.
Owing to have employed said structure, safe edge overlaps the to each other layout, makes a safe edge be positioned at the outside of another safe edge, thus to the sealing that the roll gap between two roll shafts interlocks.Wherein between two safe edges, there is certain gap, when avoiding two safe edges to relatively rotate, mutual interference occurs; A part (extension) for feed pipe extension board can extend between two safe edges by the utility model, and this feed pipe extension board and safe edge, all maintains certain distance between roll surface, avoids interfering and affects the normal rotation of roll shaft; Simultaneously only guaranteed certain distance, can guarantee roller shell, safe edge, a feed pipe extension board just composition cavity, material enters between two roll gap by this cavity, by being just fractured into material cake between two roller shells, ensures by material by the effect of breakage.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, the safe edge that described roller shell connects, its surface flushed with roll surface cylindrical is inlaid with wearable hard alloy stud; The roll surface outer round surface of described roller shell is inlaid with wearable hard alloy stud; On the surface of described roller shell, heap is welded with wearing layer.
Owing to have employed said structure, because the position of two safe edges is overlapped, the safe edge being located at inner side can be set to flush with roll surface, therefore wearable hard alloy stud can be inlayed in the surface that roll surface cylindrical flushes on safe edge, thus first material can be contacted with the stud on safe edge, avoid material to the wearing and tearing of safe edge, add the life-span of safe edge; In like manner build-up wear-resistant layer on roller shell, increases intensity and the abrasion resistance of roller shell, makes its life-span permanent.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described feed pipe extension board is arranged symmetrically with along the wide vertical center line of roller at roll shaft two ends; And described feed pipe extension board can be spliced by more than two sections.
Owing to have employed said structure, the two feed pipe extension boards be arranged symmetrically with, stress equalization, makes whole roll squeezer or high-pressure roller mill steady in running, reduces the phenomenons such as vibrations and occur; Feed pipe extension board is made up of the part of more than two sections, after by certain part wears, can change this part, operates very easy.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, the one side employing wear-resisting steel plate near roller shell stage casing on described feed pipe extension board, clad steel plate are made and/or are piled and be welded with wear-resistant tungsten carbide alloy.
Owing to have employed said structure, increase the abrasion resistance of feed pipe extension board, thus improve the life-span of feed pipe extension board, reduce its maintenance maintenance cost.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described safe edge adopts 42CrMoA, 40Cr or wearing composite material to make.
Owing to have employed said structure, make safe edge have enough intensity, ensure backplate in use the life-span permanent, thus reduce maintenance maintenance cost.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, described roll shaft and roller shell adopt interference to be connected; Or described roll shaft and roller shell adopt solid forging shaping.
Owing to have employed said structure, roll shaft and roller shell can adopt various ways to be connected and fixed, and guarantee that its structure is surely leaned on, and make its production technology alternative strong simultaneously, reduce costs.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, mainly solve roll surface edge abrasion large, the problem of side shield wear resistence difference and roll surface edge abrasion and side board wearing and tearing rear generation leakage material, the material cake improved along roller cross direction distributes, and improves the service life of roll surface, improves the squeezing effect of material, improve production, reduce maintenance cost, thus forge into the core competitiveness of equipment, huge economic benefit and social benefit can be brought.
2, roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, mainly bears moment of flexure and is adjusted to and bears pressure by baffle plate.Relative to front apron by after express material away from roller shell end face, the utility model makes the laminating of baffle plate and roller shell tightr.Relative to front apron by the stress point of express material in the junction of baffle plate and roller shell, stress point is adjusted to roller shell surface by the utility model, and like this, the stressed arm of force of baffle plate is shorter, is conducive to the service life of prolongation baffle plate.
3, roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, when roller shell side connects with bolt, due to bolt strained comparatively large, then the pulling force being applied to roller shell is comparatively large, may occur that roller shell is by the danger of drawing crack.The tension of roller shell is adjusted to the stressed more reasonable of pressurized then roller shell by the utility model, and the compressive strength rate tensile strength of roller shell is much larger, and the corresponding roller shell life-span is also longer.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 front view of the present utility model.
Fig. 2 top view of the present utility model.
The sectional view of Fig. 3 top view of the present utility model.
Fig. 4 elevation of the present utility model.
Fig. 5 feed pipe extension board schematic diagram.
Mark in figure: 1,2-roll shaft, 3,4-roller shell, 5,6-safe edge, 7,8-feed pipe extension board.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figures 1 to 5, roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, be respectively equipped with roller shell (being respectively roller shell 3 and roller shell 4) on two roll shafts cooperatively interacted (being respectively roll shaft 1 and roll shaft 2) surface, described roll shaft and roller shell adopt interference to be connected; Or described roll shaft and roller shell adopt solid forging shaping; Wherein the edge place of each roller shell is equipped with safe edge (being respectively safe edge 5 and safe edge 6), cooperatively interacts between roll shaft is with the safe edge of two on one end, and described safe edge adopts 42CrMoA, 40Cr or wearing composite material to make; Described roll shaft is overlapped in position with two safe edges of end, and the extension on described feed pipe extension board stretches between two safe edges; And between described feed pipe extension board and two safe edges, be provided with the gap (this gap is 30mm to the maximum, and minimum is 10mm, can be 20mm or 15mm or 25mm, can arrange between 10-30mm according to installation situation) of 10-30mm; The gap (this gap is 10mm to the maximum, and minimum is 2mm, can be 6mm or 8mm or 4mm, can arrange between 10-30mm according to installation situation) of 2-10mm is provided with between the edge roll surface adjacent thereto of described feed pipe extension board; Feed pipe extension board (being respectively feed pipe extension board 7 and feed pipe extension board 8) is respectively equipped with at the two ends of roll shaft, two feed pipe extension boards are arranged symmetrically with along the wide vertical center line of roller at roll shaft two ends, and the extension on described feed pipe extension board stretches to two roll shafts with between the safe edge on one end, described roller shell, safe edge and feed pipe extension board is made to form a cavity.Wherein said feed pipe extension board is provided with wear rib, and described wear rib is vertically arranged in feed pipe extension board and stretches in extension; Described feed pipe extension board can be spliced by more than two sections; One side employing wear-resisting steel plate near roller shell stage casing on described feed pipe extension board, clad steel plate are made and/or are piled and be welded with wear-resistant tungsten carbide alloy; Described feed pipe extension board there is block near the medium position lateral arrangement of roller shell stage casing one side.
The cirque structure that wherein said safe edge is combined into along roller shell circumference by some sections of safe edge blocks, wherein every section of safe edge block is bolted to connection on roller shell, and described safe edge is embedded on roller shell.Described safe edge is piled and is welded with wearing layer on the median surface of side, roller shell stage casing; On the surface of described safe edge and edge, all heap is welded with wearing layer.The safe edge that described roller shell connects, its surface flushed with roll surface cylindrical is inlaid with wearable hard alloy stud; The roll surface outer round surface of described roller shell is inlaid with wearable hard alloy stud; On the surface of described roller shell, heap is welded with wearing layer.
Roll squeezer of the present utility model and high-pressure roller mill roller side antiwear device, roll shaft 1 and roller shell 3 connect to form an entirety by interference, axle 2 and roller shell 4 connect to form an entirety by interference, safe edge 5 is connected by screw on roller shell 3, safe edge 6 is connected by screw on roller shell 4, and feed pipe extension board 7 and feed pipe extension board 8 are between two roller shells and between two safe edges 5.Like this, roller shell, safe edge, feed pipe extension board be a composition cavity just, and material enters between two roll gap by this cavity, by being just fractured into material cake between two roller shells.
Pressure distribution curve according to the roller cross direction of roll squeezer can be found out, pressure against the ends and middle part differing pressure are very large, and its reason is that the friction of feeding scraper-trough conveyer and pressing plate has been slowed down the feed rate of end, and it is owing to leaking material that pressure against the ends reduces.The structure for this reason adopting roller shell, safe edge, feed pipe extension board to form feeding cavity can improve pressure distribution to strengthen end feeding, makes end reach the pressure same with middle part even slightly high.
Force analysis according to material can be found out, the frictional force that middle part material mainly bears when roll shaft rotates enters between two rollers to drive material, end is due to after adding safe edge and feed pipe extension board, end material then mainly bear that feed pipe extension board gives the power of material in the middle part of roller cross direction, roll shaft rotates time frictional force to drive material to enter between two rollers and safe edge to be followed in roll shaft rotation process to material with to the frictional force between two rollers, in the middle part of the material ratio of such end, material bears two power more, because stressed larger then more easily formation expects cake.For this reason, arrange a wear rib just to move to the direction, middle part that roller is wide before also not entering minimum roll gap to impel in material dropping process at the middle part of feed pipe extension board, reduce the density of material near the minimum roll gap in end, effectively can improve the distribution situation of material along roller cross direction like this.Finally make material uniform at roller cross direction thickness, to improve production and yield rate.
The utility model mainly solve before several baffle plate stressing conditions and with roller shell in conjunction with situation.Be embodied in: 1. baffle plate is mainly born moment of flexure and be adjusted to and bear pressure.2. with front apron by after express material away from roller shell end face, the utility model makes the laminating of baffle plate and roller shell tightr.3. with front apron by the stress point of express material in the junction of baffle plate and roller shell, stress point is adjusted to roller shell surface by the utility model, and like this, the stressed arm of force of baffle plate is shorter, is conducive to the service life of prolongation baffle plate.4., when roller shell side connects with bolt, due to bolt strained comparatively large, then the pulling force being applied to roller shell is comparatively large, may occur that roller shell is by the danger of drawing crack.The tension of roller shell is adjusted to the stressed more reasonable of pressurized then roller shell by the utility model, and the compressive strength rate tensile strength of roller shell is much larger, and the corresponding roller shell life-span is also longer.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. roll squeezer and a high-pressure roller mill roller side antiwear device, be respectively equipped with roller shell on the two roll shaft surfaces cooperatively interacted, wherein the edge place of each roller shell is equipped with safe edge, cooperatively interacts between roll shaft is with the safe edge of two on one end; It is characterized in that: be respectively equipped with feed pipe extension board at the two ends of roll shaft, the extension on described feed pipe extension board stretches to two roll shafts with between the safe edge on one end, makes described roller shell, safe edge and feed pipe extension board form a cavity.
2. roll squeezer as claimed in claim 1 and high-pressure roller mill roller side antiwear device, it is characterized in that: described feed pipe extension board is provided with wear rib, described wear rib is vertically arranged in feed pipe extension board and stretches in extension; Described feed pipe extension board there is block near the medium position lateral arrangement of roller shell stage casing one side.
3. roll squeezer as claimed in claim 1 or 2 and high-pressure roller mill roller side antiwear device, it is characterized in that: the cirque structure that described safe edge is combined into along roller shell circumference by some sections of safe edge blocks, wherein every section of safe edge block is bolted to connection on roller shell, and described safe edge is embedded on roller shell.
4. roll squeezer as claimed in claim 3 and high-pressure roller mill roller side antiwear device, is characterized in that: described safe edge is piled and is welded with wearing layer on the median surface of side, roller shell stage casing; On the surface of described safe edge and edge, all heap is welded with wearing layer.
5. the roll squeezer as described in claim 1 or 2 or 4 and high-pressure roller mill roller side antiwear device, is characterized in that: described roll shaft is overlapped in position with two safe edges of end, and the extension on described feed pipe extension board stretches between two safe edges; And between described feed pipe extension board and two safe edges, be provided with the gap of 10-30mm; The gap of 2-10mm is provided with between the edge roll surface adjacent thereto of described feed pipe extension board.
6. roll squeezer as claimed in claim 5 and high-pressure roller mill roller side antiwear device, is characterized in that: the safe edge that described roller shell connects, its surface flushed with roll surface cylindrical be inlaid with wearable hard alloy stud; The roll surface outer round surface of described roller shell is inlaid with wearable hard alloy stud; On the surface of described roller shell, heap is welded with wearing layer.
7. roll squeezer as claimed in claim 5 and high-pressure roller mill roller side antiwear device, is characterized in that: described feed pipe extension board is arranged symmetrically with along the wide vertical center line of roller at roll shaft two ends; And described feed pipe extension board is spliced by more than two sections.
8. the roll squeezer as described in claim 1 or 2 or 4 or 6 or 7 and high-pressure roller mill roller side antiwear device, is characterized in that: the one side employing wear-resisting steel plate near roller shell stage casing on described feed pipe extension board, clad steel plate are made and/or piled and be welded with wear-resistant tungsten carbide alloy.
9. the roll squeezer as described in claim 1 or 2 or 4 or 6 or 7 and high-pressure roller mill roller side antiwear device, is characterized in that: described safe edge adopts 42CrMoA, 40Cr or wearing composite material to make.
10. the roll squeezer as described in claim 1 or 2 or 4 or 6 or 7 and high-pressure roller mill roller side antiwear device, is characterized in that: described roll shaft and roller shell adopt interference to be connected; Or described roll shaft and roller shell adopt solid forging shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629867.9U CN204234132U (en) | 2014-10-29 | 2014-10-29 | A kind of roll squeezer and high-pressure roller mill roller side antiwear device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629867.9U CN204234132U (en) | 2014-10-29 | 2014-10-29 | A kind of roll squeezer and high-pressure roller mill roller side antiwear device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204234132U true CN204234132U (en) | 2015-04-01 |
Family
ID=52763688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420629867.9U Active CN204234132U (en) | 2014-10-29 | 2014-10-29 | A kind of roll squeezer and high-pressure roller mill roller side antiwear device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204234132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307592A (en) * | 2014-10-29 | 2015-01-28 | 成都利君实业股份有限公司 | Roller side face anti-wearing device for roller press and high-pressure roller mill |
-
2014
- 2014-10-29 CN CN201420629867.9U patent/CN204234132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307592A (en) * | 2014-10-29 | 2015-01-28 | 成都利君实业股份有限公司 | Roller side face anti-wearing device for roller press and high-pressure roller mill |
| CN104307592B (en) * | 2014-10-29 | 2017-08-04 | 成都利君实业股份有限公司 | A kind of roll squeezer and high-pressure roller mill roller side antiwear device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104307592A (en) | Roller side face anti-wearing device for roller press and high-pressure roller mill | |
| CN204034783U (en) | Breaker roll | |
| CN102896013B (en) | Roller mill and self-synchronizing wearing roller of high-pressure roller mill | |
| CN102172544B (en) | Pressure roller machine | |
| CN204234132U (en) | A kind of roll squeezer and high-pressure roller mill roller side antiwear device | |
| CN202283477U (en) | End face protection device of roller sleeve of high pressure roller grinder with column nail roller surface | |
| CN202137012U (en) | Hammer slice of roll shaft device of single roll crusher | |
| CN201524585U (en) | High-pressure roll grinder for metal | |
| CN202137006U (en) | Roller of rolling machine | |
| CN206868316U (en) | A kind of novel wear resistant high-pressure roller mill | |
| CN208146081U (en) | Two-stage type rock wool dedicated crusher | |
| CN207357239U (en) | A kind of structure for improving roller press squeeze roll roller set side wearability | |
| CN203711082U (en) | Wear-resisting type high pressure roller mill | |
| CN104549654A (en) | Abrasion-resistant device between grinding roller sleeve and grinding table lining plate for vertical grinder | |
| CN202621217U (en) | Novel double-roller crusher | |
| CN201586533U (en) | Abrasion-resistant lateral baffle plate | |
| CN102688790B (en) | Multi-roll crusher | |
| CN206549723U (en) | A kind of roller of Double roller type sand maker | |
| CN102600925B (en) | Roll face of roller press | |
| CN204564212U (en) | A kind of wear-resisting breaker of gyratory crusher | |
| CN201346476Y (en) | Built-up welding grate bar of single roll crusher for sinters | |
| CN204429402U (en) | Wear-resistant device between grinding roller of vertical mill roller shell and lining board for grinding discs | |
| CN201959825U (en) | Novel cone crusher discharge hopper | |
| CN101596473B (en) | High-pressure roller mill for metal ore | |
| CN212791168U (en) | Wear-resisting side guard plate of high-pressure roller mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |