CN205462492U - Immediately, grinding roller sheath - Google Patents
Immediately, grinding roller sheath Download PDFInfo
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- CN205462492U CN205462492U CN201620039345.2U CN201620039345U CN205462492U CN 205462492 U CN205462492 U CN 205462492U CN 201620039345 U CN201620039345 U CN 201620039345U CN 205462492 U CN205462492 U CN 205462492U
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Abstract
The utility model relates to an immediately, grinding roller sheath belongs to vertical roller mill technical field, including toper sheath, cylindrical sheath, guard ring and flange board, the flange board is connected in the big one end of toper sheath diameter, still offers on the flange board in the toper sheath outside to be used for the connecting hole be connected with the grinding roller, cylindrical sheath is connected in the little one end of toper sheath diameter, the guard ring is connected with the outside surface of flange board, and protects the outside of corral at the connecting hole. The utility model discloses simple structure, sealed effectual, long service life, the maintenance change convenient quick and use reliable, can be effectively to the grinding roller pivot protect.
Description
Technical field
This utility model belongs to vertical roller grinder technical field, relates to the safeguard structure of a kind of grinding roller, particularly to a kind of grinding roller of vertical mill sheath.
Background technology
Vertical Mill is a kind of large-scale milling equipment, it is widely used in the industries such as cement, electric power, metallurgy, chemical industry, nonmetallic ore, its collection is broken, be dried, grinding, classification are transported in one, and production efficiency is high, block, graininess and powder raw material can be worn into required granular material.During vertical mill work, mill central authorities fallen by material to be ground by gravity and the percussion of air-flow, material is distributed horizontally on mill by the mill of constant speed rotary uniformly, grinding roller is bitten material and it is pulverized, material after pulverizing under the influence of centrifugal force gets rid of the edge to mill in the middle part of mill, and the material leaving mill is moved upward by vane at a high speed under the drive of hot blast.During material moves upward, necessarily through grinding roller grinding roller and grinding roller rotating shaft surface are caused and wash away abrasion, grinding roller and grinding roller rotating shaft are caused damage, has a strong impact on production operation；And Vertical Mill damage after maintenance, change the most extremely onerous, replacing construction length, labor strength are big, cause very big inconvenience to production work, add the repair time of maintenance cost and equipment, add the production cost of enterprise, have impact on the economic benefit of enterprise.
In the prior art, for extending grinding roller service life, roller surface is typically bolted detachable loudspeaker set for protecting grinding roller and grinding roller rotating shaft, can again change after loudspeaker set abrasion.Owing to loudspeaker nested structure of the prior art design is unreasonable, grinding roller and grinding roller rotating shaft can not be accomplished FR protection, in production practices, there is problems in that
1. loudspeaker set usually monoblock type, after its abrasion, trouble is changed in maintenance, not only loses time but also increase labor intensity；
2. not having any protective equipment owing to loudspeaker overlap outer surface, during grinding roller operating, material directly contacts with loudspeaker set surface, and impulsive force is very big, and meeting excessive wear loudspeaker set causes loudspeaker to overlap premature failure；
3. the loudspeaker in prior art overlap opening tapering relatively greatly, can overlap surface refraction break-in along loudspeaker with the hot-air flow of material, enter loudspeaker set internal, cause grinding roller rotating shaft and wash away abrasion, do not have protective effect；
4. material is under the drive of hot-air flow, very big with the connecting bolt impulsive force of grinding roller junction to loudspeaker set, not only results in bolt looseness, and time length also can make the head abrasion of connecting bolt polish the most completely, has a strong impact on service life.
Utility model content
The purpose of this utility model is the problem existed for above-mentioned background technology; there is provided a kind of simple in construction, convenient maintenance and replacement quickly and service-strong grinding roller of vertical mill sheath; this grinding roller of vertical mill sheath good sealing effect, service life are long, it is possible to effectively protect grinding roller rotating shaft.
This utility model the technical scheme is that a kind of grinding roller of vertical mill sheath for achieving the above object, including taper sheath, cylindrical sheath, guard ring and flanged plate, described flanged plate is connected to one end that taper sheath diameter is big, the connecting hole for being connected it is further opened with grinding roller on flanged plate outside taper sheath, described cylindrical sheath is connected to one end that taper sheath diameter is little, described guard ring is connected with the outer surface of flanged plate, and guard ring is trapped among the outside of connecting hole.
Further technical scheme of the present utility model is: described taper sheath, cylindrical sheath, guard ring and flanged plate are split-type structural；Taper sheath includes half-cone sheath I and half-cone sheath II, cylindrical sheath includes semi-cylindrical sheath I and semi-cylindrical sheath II, guard ring includes semicircular guard ring I and semicircular guard ring II, and flanged plate includes the flanged plate I of semi-circular shape and the flanged plate II of semi-circular shape；Described semi-cylindrical sheath I is connected to one end that half-cone sheath I diameter is little, and flanged plate I is connected to one end that half-cone sheath I diameter is big, and guard ring I is connected with the outer surface of flanged plate I and is trapped among outside connecting hole；Described semi-cylindrical sheath II is connected to one end that half-cone sheath II diameter is little, and flanged plate II is connected to one end that half-cone sheath II diameter is big, and guard ring II is connected with the outer surface of flanged plate II and is trapped among outside connecting hole；The both sides lateral margin of half-cone sheath I is connected to the taper sheath connecting plate docked with half-cone sheath II both sides lateral margin, and the both sides lateral margin of semi-cylindrical sheath I is connected to the cylindrical sheath connecting plate docked with semi-cylindrical sheath II both sides lateral margin.
Further technical scheme of the present utility model is: after described half-cone sheath I is docked by taper sheath connecting plate with half-cone sheath II, and the seam crossing of half-cone sheath I and half-cone sheath II reserves the gap that width is d；After semi-cylindrical sheath I is docked by cylindrical sheath connecting plate with semi-cylindrical sheath II, the seam crossing of semi-cylindrical sheath I and semi-cylindrical sheath II reserves the gap that width is d, and the value of d is 3 ~ 5mm；Described taper sheath connecting plate and cylindrical sheath connecting plate all include steel plate body and are arranged on the wearing layer of steel plate body outer surface.
Further technical scheme of the present utility model is: the outer surface of described half-cone sheath I and half-cone sheath II is respectively provided with for weakening the gusset I that half-cone sheath I and half-cone sheath II are impacted by material, and the outer surface of described semi-cylindrical sheath I and semi-cylindrical sheath II is respectively provided with for weakening double cylindrical sheath of material I and the gusset II of semi-cylindrical sheath II impact；Described gusset I and gusset II all include steel plate body and are arranged on the wearing layer of steel plate body outer surface；Described half-cone sheath I, half-cone sheath II, semi-cylindrical sheath I, semi-cylindrical sheath II, guard ring I, guard ring II, flanged plate I and flanged plate II all include steel plate body and are arranged on the wearing layer of steel plate body outer surface.
This utility model one grinding roller of vertical mill sheath has the advantages that
1. the outer surface heap of a kind of grinding roller of vertical mill of this utility model sheath is welded with one layer of high-abrasive material, and face of weld between the components is welded with one layer of high-abrasive material, substantially increases anti-wear performance of the present utility model, increases the service life；And grinding roller of vertical mill sheath of the present utility model uses split-type structural, overall grinding roller of vertical mill sheath is cut into the two halves of symmetry, and connected as one by connecting plate, grinding roller sheath just can be disassembled by the connecting bolt that only need to unload lower connecting plate when maintenance is changed, it is easily installed and dismantles, improve work efficiency；Seam crossing at two halves sheath is also reserved with the gap that width is 3 ~ 5mm simultaneously, and when preventing grinding roller sheath from working, expanded by heating is deformed；
2. this utility model adds one section of cylindrical sheath at trumpet-shaped taper guard leading end, is possible not only to increase the protection length of grinding roller rotating shaft, it is also possible to effectively prevents material from being entered inside sheath by the opening part of taper sheath, thus avoids grinding roller rotating shaft to be worn；
3. a kind of grinding roller of vertical mill of this utility model sheath is respectively welded gusset I and gusset II at the outer surface of taper sheath and cylindrical sheath, when material impacts sheath outer surface under the drive of hot-air flow, material first contacts with gusset, gusset can change the movement locus of material and weaken the impact energy of material, prevent material from directly impacting jacket surface and produce premature abrasion, extend the service life of grinding roller sheath；
4. flanged plate side is provided with guard ring; the connecting bolt of flanged plate and grinding roller junction is positioned at the inner side of guard ring; material will not directly impact connecting bolt, and connecting bolt head so can be avoided by the repeated stock of material to be caused loosening, it is also possible to protection connecting bolt is the most frayed.
With embodiment, this utility model one grinding roller of vertical mill sheath is further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of grinding roller of vertical mill sheath；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the partial enlarged drawing at B shown in Fig. 1；
Fig. 4 is the sectional view of A-A shown in Fig. 1；
Fig. 5 is the partial enlarged drawing at C shown in Fig. 4；
Fig. 6 is the structural representation after flanged plate II, guard ring II, half-cone sheath II and semi-cylindrical sheath II connect；
Fig. 7 is the structural representation after flanged plate I, guard ring I, half-cone sheath I and semi-cylindrical sheath I connect；
Drawing reference numeral illustrates: 1-flanged plate, 11-flanged plate I, 12-flanged plate II, 2-guard ring, 21-guard ring I, 22-guard ring II, 3-connecting hole, 4-taper sheath, 41-half-cone sheath I, 42-half-cone sheath II, 421-screwed hole I, 5-gusset I, 6-gusset II, 7-cylindrical sheath, 71-semi-cylindrical sheath I, 72-semi-cylindrical sheath II, 721-screwed hole II, 8-cylindrical sheath connecting plate, 81-bolt hole II, 9-taper sheath connecting plate, 91-bolt hole I, 101-steel plate body, 102-wearing layer.
Detailed description of the invention
As shown in Figures 1 to 7, this utility model one grinding roller of vertical mill sheath, including taper sheath 4, cylindrical sheath 7, guard ring 2 and flanged plate 1, described flanged plate 1 is connected to taper sheath 4 and is relatively large in diameter one end, the connecting hole 3 for being connected it is further opened with grinding roller on flanged plate 1 outside taper sheath 4, described cylindrical sheath 7 is connected to the less one end of taper sheath 4 diameter, and described guard ring 2 is connected with the outer surface of flanged plate 1, and guard ring 2 is trapped among the outside of connecting hole 3；During installation; the taper sheath 4 being connected as a single entity and cylindrical sheath 7 are set in outside grinding roller rotating shaft; and flanged plate 1 is connected on grinding roller of vertical mill through connecting hole 3 by connecting bolt; thus grinding roller sheath is connected to outside grinding roller rotating shaft; realize grinding roller and the protection of grinding roller rotating shaft; it is positioned at the guard ring 2 outside bolt; can stop that material directly impacts the connecting bolt on flanged plate 1; connecting bolt head is avoided to be caused loosening by the repeated stock of material, it is also possible to protection connecting bolt is the most frayed.
In the present embodiment, for the ease of grinding roller sheath is dismantled and is installed, described taper sheath 4, cylindrical sheath 7, guard ring 2 and flanged plate 1 all use split-type structural, that is: taper sheath 4 includes half-cone sheath I 41 and half-cone sheath II 42, cylindrical sheath 7 includes semi-cylindrical sheath I 71 and semi-cylindrical sheath II 72, guard ring 2 includes semicircular guard ring I 21 and semicircular guard ring II 22, and flanged plate 1 includes the flanged plate I 11 of semi-circular shape and the flanged plate II 12 of semi-circular shape.Described semi-cylindrical sheath I 71 is connected to one end that half-cone sheath I 41 diameter is little, flanged plate I 11 is connected to one end that half-cone sheath I 41 diameter is big, guard ring I 21 is connected with the outer surface of flanged plate I 11 and is trapped among outside connecting hole 3, and above-mentioned each parts are connected as a single entity by the way of welding；Described semi-cylindrical sheath II 72 is connected to one end that half-cone sheath II 42 diameter is little, flanged plate II 12 is connected to one end that half-cone sheath II 42 diameter is big, guard ring II 22 is connected with the outer surface of flanged plate II 12 and is trapped among outside connecting hole 3, and above-mentioned each parts are connected as a single entity by the way of welding.Described half-cone sheath I 41, half-cone sheath II 42, semi-cylindrical sheath I 71, semi-cylindrical sheath II 72, guard ring I 21, guard ring II 22, flanged plate I 11 and flanged plate II 12 all include steel plate body 101 and are arranged on the wearing layer 102 of steel plate body 101 outer surface, face of weld is also welded with one layer of high-abrasive material simultaneously, by at grinding roller of vertical mill sheath outer surface build-up wear-resistant layer of the present utility model, the anti-wear performance of sheath can be effectively improved, increase the service life.
The both sides lateral margin of half-cone sheath I 41 is connected to the taper sheath connecting plate 9 docked with half-cone sheath II 42 both sides lateral margin, and the both sides lateral margin of semi-cylindrical sheath I 71 is connected to the cylindrical sheath connecting plate 8 docked with semi-cylindrical sheath II 72 both sides lateral margin；Described taper sheath connecting plate 9 and cylindrical sheath connecting plate 8 all include steel plate body and are arranged on the wearing layer of steel plate body outer surface.Described taper sheath connecting plate 9 is welded on the both sides side rails surfaces of half-cone sheath I 41 and extends outside half-cone sheath I 41, extend and offer the bolt hole I 91 for being connected with half-cone sheath II 42 on the taper sheath connecting plate 9 outside half-cone sheath I 41, the screwed hole I 421 corresponding with bolt hole I 91 is offered equally at the both sides lateral margin of described half-cone sheath II 42, bolt is connected through the bolt hole I 91 of taper sheath connecting plate 9 with the screwed hole I 421 of half-cone sheath II 42, thus realize being connected as a single entity with half-cone sheath II 42 by half-cone sheath I 41 by taper sheath connecting plate 9.Described cylindrical sheath connecting plate 8 is welded on the both sides side rails surfaces of semi-cylindrical sheath I 71 and extends outside semi-cylindrical sheath I 71, extend and on the cylindrical sheath connecting plate 8 outside semi-cylindrical sheath I 71, offer the bolt hole II 81 for being connected with semi-cylindrical sheath II 72, the screwed hole II 721 corresponding with bolt hole II 81 is offered equally at the both sides lateral margin of described semi-cylindrical sheath II 72, bolt is connected through the bolt hole II 81 of cylindrical sheath connecting plate 8 with the screwed hole II 721 of semi-cylindrical sheath II 72, thus realize being connected as a single entity with semi-cylindrical sheath II 72 by semi-cylindrical sheath I 71 by cylindrical sheath connecting plate 8.
When grinding roller of vertical mill sheath is installed to grinding roller, the two halves grinding roller sheath of split only need to be enclosed within the outside of grinding roller rotating shaft, and by bolt and connecting plate, two halves grinding roller sheath is connected as one, by bolt and ring flange, the grinding roller sheath connected as one is positioned on grinding roller simultaneously, just completes installation of the present utility model；Using split-type structural, only need to be unloaded by the bolt on connecting plate and flanged plate when needing and dismantling grinding roller sheath, grinding roller sheath just can be unloaded after being split into two halves from grinding roller by grinding roller sheath, and installation and removal are all very convenient, improve work efficiency.
In order to prevent grinding roller sheath operationally expanded by heating to be deformed, when assembling, the seam of half-cone sheath I 41 and half-cone sheath II 42 joint reserves the gap that width is 3 ~ 5mm, and the gap that width is 3 ~ 5mm reserved as the seam of semi-cylindrical sheath II 72 joint by semi-cylindrical sheath I 71.
During vertical mill work, material can directly impact sheath outer surface under the drive of hot-air flow, causes jacket surface to produce premature abrasion, shortens the service life of grinding roller sheath；In order to overcome this problem, extend service life of the present utility model, in the present embodiment, the outer surface of described half-cone sheath I 41 and half-cone sheath II 42 is respectively provided with for weakening the gusset I 5 that half-cone sheath I 41 and half-cone sheath II 42 are impacted by material, the outer surface of described semi-cylindrical sheath I 71 and semi-cylindrical sheath II 72 is respectively provided with for weakening double cylindrical sheath of material I 71 and the gusset II 6 of semi-cylindrical sheath II 72 impact, and described gusset I 5 and gusset II 6 all include steel plate body and are arranged on the wearing layer of steel plate body outer surface.Material first contacts with gusset I 5 and gusset II 6 under the drive of hot-air flow, gusset I 5 and gusset II 6 can change the movement locus of material, and weaken material to taper sheath and the impact energy of cylindrical sheath, avoid jacket surface to produce premature abrasion, extend the service life of this utility model grinding roller of vertical mill sheath.
Above example is only preferred embodiment of the present utility model; structure of the present utility model is not limited to the form that above-described embodiment is enumerated; all made within spirit of the present utility model and principle any amendment, equivalent etc., within should be included in protection domain of the present utility model.
Claims (7)
1. a grinding roller of vertical mill sheath, including taper sheath (4) and flanged plate (1), described flanged plate (1) is connected to one end that taper sheath (4) diameter is big, it is further opened with the connecting hole (3) for being connected with grinding roller on the flanged plate (1) in taper sheath (4) outside, it is characterized in that, also include cylindrical sheath (7) and guard ring (2), described cylindrical sheath (7) is connected to one end that taper sheath (4) diameter is little, described guard ring (2) is connected with the outer surface of flanged plate (1), and guard ring (2) is trapped among the outside of connecting hole (3).
2. a kind of grinding roller of vertical mill sheath as claimed in claim 1, it is characterised in that described taper sheath (4), cylindrical sheath (7), guard ring (2) and flanged plate (1) are split-type structural；Taper sheath (4) includes half-cone sheath I (41) and half-cone sheath II (42), cylindrical sheath (7) includes semi-cylindrical sheath I (71) and semi-cylindrical sheath II (72), guard ring (2) includes semicircular guard ring I (21) and semicircular guard ring II (22), and flanged plate (1) includes the flanged plate I (11) of semi-circular shape and the flanged plate II (12) of semi-circular shape；Described semi-cylindrical sheath I (71) is connected to one end that half-cone sheath I (41) diameter is little, flanged plate I (11) is connected to one end that half-cone sheath I (41) diameter is big, and guard ring I (21) is connected with the outer surface of flanged plate I (11) and is trapped among connecting hole (3) outside；Described semi-cylindrical sheath II (72) is connected to one end that half-cone sheath II (42) diameter is little, flanged plate II (12) is connected to one end that half-cone sheath II (42) diameter is big, and guard ring II (22) is connected with the outer surface of flanged plate II (12) and is trapped among connecting hole (3) outside；The both sides lateral margin of half-cone sheath I (41) is connected to taper sheath connecting plate (9) docked with half-cone sheath II (42) both sides lateral margin, and the both sides lateral margin of semi-cylindrical sheath I (71) is connected to the cylindrical sheath connecting plate (8) docked with semi-cylindrical sheath II (72) both sides lateral margin.
3. a kind of grinding roller of vertical mill sheath as claimed in claim 2, it is characterized in that, after described half-cone sheath I (41) is docked by taper sheath connecting plate (9) with half-cone sheath II (42), the seam crossing of half-cone sheath I (41) and half-cone sheath II (42) reserves the gap that width is d；After semi-cylindrical sheath I (71) is docked by cylindrical sheath connecting plate (8) with semi-cylindrical sheath II (72), the seam crossing of semi-cylindrical sheath I (71) and semi-cylindrical sheath II (72) reserves the gap that width is d, and the value of d is 3 ~ 5mm.
4. a kind of grinding roller of vertical mill sheath as claimed in claim 2, it is characterised in that described taper sheath connecting plate (9) and cylindrical sheath connecting plate (8) all include steel plate body and be arranged on the wearing layer of steel plate body outer surface.
5. a kind of grinding roller of vertical mill sheath as claimed in claim 2, it is characterized in that, the outer surface of described half-cone sheath I (41) and half-cone sheath II (42) is respectively provided with for weakening the gusset I (5) that half-cone sheath I (41) and half-cone sheath II (42) are impacted by material, and the outer surface of described semi-cylindrical sheath I (71) and semi-cylindrical sheath II (72) is respectively provided with the gusset II (6) for weakening double cylindrical sheath of material I (71) and semi-cylindrical sheath II (72) impacts.
6. a kind of grinding roller of vertical mill sheath as claimed in claim 5, it is characterised in that described gusset I (5) and gusset II (6) all include steel plate body and be arranged on the wearing layer of steel plate body outer surface.
7. a kind of grinding roller of vertical mill sheath as claimed in claim 2, it is characterized in that, described half-cone sheath I (41), half-cone sheath II (42), semi-cylindrical sheath I (71), semi-cylindrical sheath II (72), guard ring I (21), guard ring II (22), flanged plate I (11) and flanged plate II (12) all include steel plate body and are arranged on the wearing layer of steel plate body outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039345.2U CN205462492U (en) | 2016-01-16 | 2016-01-16 | Immediately, grinding roller sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039345.2U CN205462492U (en) | 2016-01-16 | 2016-01-16 | Immediately, grinding roller sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205462492U true CN205462492U (en) | 2016-08-17 |
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ID=56668930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039345.2U Active CN205462492U (en) | 2016-01-16 | 2016-01-16 | Immediately, grinding roller sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205462492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498910A (en) * | 2016-01-16 | 2016-04-20 | 广西辉煌机械股份有限公司 | Grinding roller protecting sleeve of vertical grinder |
-
2016
- 2016-01-16 CN CN201620039345.2U patent/CN205462492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498910A (en) * | 2016-01-16 | 2016-04-20 | 广西辉煌机械股份有限公司 | Grinding roller protecting sleeve of vertical grinder |
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