CN217615077U

CN217615077U - Quick replacement structure for composite roller sleeve of vertical mill

Info

Publication number: CN217615077U
Application number: CN202221254563.XU
Authority: CN
Inventors: 杨林; 朱然玖; 孙月勤; 高长海; 吴超; 杨肥; 杨建国
Original assignee: Huaibei Shuanglin Wear Resistant Materials Co ltd
Current assignee: Huaibei Shuanglin Wear Resistant Materials Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-10-21
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a quick replacement structure for a composite roller sleeve of a vertical mill, which relates to the technical field of quick replacement structure for the composite roller sleeve of the vertical mill, and comprises a roller shaft, a roller sleeve and a disassembly unit; the middle part of the outer side of the roll shaft is provided with a roll sleeve; the dismounting unit comprises a circular groove, a first key groove, a second key groove, a circular ring, a key block and a clamping assembly, wherein the circular groove is formed in each of the front end and the rear end of the roller sleeve respectively, the first key grooves are uniformly formed in each of the front end and the rear end of each of the inner sides of the two roller sleeves respectively along the circumferential direction, the second key grooves are uniformly formed in each of the front end and the rear end of each of the outer sides of the middle convex rings of the roller shaft respectively along the circumferential direction, the circular ring is enabled to slide outwards when the roller sleeves are dismounted and replaced as needed under the matching connection action between each of the outer sides of the corresponding first key groove and the inner side of the corresponding second key groove through the inward sliding circular ring, and therefore the effect of fast dismounting and replacing the roller sleeves is achieved.

Description

Quick replacement structure for composite roller sleeve of vertical mill

Technical Field

The utility model relates to a compound roller shell quick replacement structure technical field of vertical mill specifically is compound roller shell quick replacement structure of vertical mill.

Background

The vertical mill is a large-scale grinding device, is widely applied to industries such as cement, electric power, metallurgy, chemical industry, non-metal ore and the like, integrates crushing, drying, grinding and grading conveying into a whole, has high production efficiency, and can grind blocky, granular and powdery raw materials into required powdery materials;

the utility model provides a vertical mill composite roller sleeve quick replacement structure which is provided with application publication number CN110270412B in the prior art, comprising a grinding roller, a conical sheath and a flange plate; the flange plate is fixedly connected to one end of the conical sheath with the larger diameter, and a connecting hole connected with the grinding roller is formed in the flange on the outer side of the conical sheath; the conical sheath is sleeved on the roller shaft and consists of two half roller sleeves arranged in half; the two half roller sleeves are fixedly connected through a connecting plate arranged at the end part, and a fixing ring is sleeved on the outer ring of the combined conical sheath; an elastic ring is arranged on the contact surface of the conical sheath and the roller sleeve;

in the prior art, although the whole service life of a conical sheath is well realized, after the vertical mill composite roll sleeve is used for a long time, if the effect of replacing the roll sleeve can not be quickly realized, the work efficiency is influenced, and therefore, a structure for quickly replacing the vertical mill composite roll sleeve is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide and immediately grind compound roller shell quick replacement structure, outside at every key piece respectively with the keyway that corresponds one with under the cooperation linkage between the inboard of keyway two, realize the firm effect of cup jointing in the roller outside with the roller shell through the ring that slides inwards, when needs are dismantled and are changed, make the ring outwards slide to realize dismantling the effect of changing fast to the roller shell, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the quick replacement structure of the composite roller sleeve of the vertical mill comprises a roller shaft, a roller sleeve and a dismounting unit;

roll shaft: the middle part of the outer side is provided with a roller sleeve;

disassembling the unit: include circular slot, keyway one, keyway two, ring, key piece and chucking subassembly, a circular slot has been seted up respectively at both ends around the roller shell, and four keyways one have evenly been seted up along the circumferencial direction respectively at both ends around the inboard of two roller shells, four keyway two have evenly been seted up along the circumferencial direction respectively at both ends around the outside of the middle part bulge loop of roller, both ends have a ring along fore-and-aft direction sliding connection respectively around the outside of roller, and the outside of two rings is connected with the cooperation between the inboard of the circular slot that corresponds respectively, and the inner of two rings evenly is provided with four key pieces along the circumferencial direction respectively, and the outside of every key piece is connected with the cooperation between the inboard of the keyway that corresponds and keyway two respectively, and the outside of every ring is provided with the chucking subassembly of being connected with the cooperation between the inboard of the circular slot that corresponds respectively.

Through installing the bulge loop department at roller outside middle part with the roller shell, realize the chucking effect to the ring under the effect of circular slot, outside at every key piece respectively with the keyway that corresponds one with under the cooperation linkage between the inboard of keyway two, realize the effect in the roller outside with firm the cup jointing of roller shell through the ring that inwards slides, when the change is dismantled to needs, make the ring outwards slide, thereby realize the effect of dismantling the change fast to the roller shell, realize the joint effect at the circular slot inside with the ring is firm under the effect of chucking subassembly.

Further, the chucking subassembly includes draw-in groove, round hole and round bar, and four draw-in grooves have evenly been seted up along the circumferencial direction respectively in the inboard of two round grooves, and four round holes have evenly been seted up along the circumferencial direction respectively in the outside of two rings, and the inside of every round hole has a round bar along inside and outside direction sliding connection respectively, and the outside outer end of every round bar is connected with the cooperation between the inboard of the draw-in groove that corresponds respectively.

Under the cooperation connection effect between the outside outer end of every round bar respectively and the inboard of the draw-in groove that corresponds, outwards slide the realization through the inside of round bar at the round hole that corresponds and with the firm joint of ring in the inside effect of round groove.

Further, the chucking subassembly still includes spout and slider, and a spout has been seted up along inside and outside direction respectively in the inside outside of every round hole, the slider is provided with eight, and eight sliders are respectively through the inboard of the inner front side of a round bar and the inboard of the spout that corresponds along inside and outside direction sliding connection.

The sliding blocks are driven by external force to slide in the inner sides of the corresponding sliding grooves along the inner and outer directions, and the round rods are driven by the sliding blocks to slide in the corresponding round holes.

Further, the chucking subassembly still includes the spring, the spring is provided with eight, and eight springs set up respectively in the inner of eight round holes, the outer end of eight springs respectively with eight round bar between the inner fixed connection.

Make the round bar have an outside power under the effect of spring to the cooperation that makes between the outside outer end of every round bar respectively and the inboard of corresponding draw-in groove is connected more stably.

Further, the bolt and the threaded holes are further included, four threaded holes are evenly formed in the inner ends of the two circular grooves along the circumferential direction respectively, four bolts are evenly arranged at the outer ends of the two circular rings along the circumferential direction respectively, and the inner end of the outer side of each bolt penetrates through the corresponding circular ring and is in threaded connection with the inner side of the corresponding threaded hole.

Under the threaded connection effect between the outside inner of every bolt passed corresponding ring and the inboard of the screw hole that corresponds respectively, make ring fixed connection at the tip of the outside middle part bulge loop of roller to make the better connection of roller shell in the outside middle part of roller.

Further, still include handle and rubber protecting crust, the outer end of two rings is provided with two handles respectively, and the outside middle part of two handles is provided with a rubber protecting crust respectively.

Make the effect that the ring realized the removal through external force more easily through the handle, increase the gentle degree in the handle outside through the rubber protecting crust.

Compared with the prior art, the beneficial effects of the utility model are that: this compound roller shell quick replacement structure of vertical mill has following benefit:

1. the quick replacement structure of the vertical mill composite roll sleeve is provided with bolts and threaded holes, and the inner end of the outer side of each bolt passes through the corresponding circular ring and is in threaded connection with the inner side of the corresponding threaded hole, so that the circular ring is fixedly connected to the end part of the convex ring at the middle part of the outer side of the roll shaft, and the roll sleeve is better connected to the middle part of the outer side of the roll shaft;

2. the quick replacement structure for the composite roller sleeve of the vertical mill is provided with a dismounting unit, and under the matching connection action between the outer end of the outer side of each round rod and the inner side of the corresponding clamping groove, the round rods slide outwards in the corresponding round holes to realize the effect of firmly clamping the circular rings in the round grooves;

3. under the outside of every key piece respectively with the cooperation linkage between the inboard of the keyway that corresponds one and keyway two, realize the firm effect of cup jointing in the roller outside of roller cover through the ring that slides inwards, when needs are dismantled and are changed, make the ring outwards slide to realize dismantling the effect of changing fast to the roller cover.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: the roller device comprises a roller shaft 1, a roller sleeve 2, a dismounting unit 3, a circular groove 31, a key groove I32, a key groove II 33, a circular ring 34, a key block 35, a key groove 36, a circular hole 37, a circular rod 38, a sliding groove 39, a sliding block 310, a spring 311, a bolt 4, a threaded hole 5, a handle 6 and a rubber protective shell 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: the quick replacement structure of the composite roller sleeve of the vertical mill comprises a roller shaft 1, a roller sleeve 2 and a dismounting unit 3;

roll shaft 1: the middle part of the outer side is provided with a roller sleeve 2;

the disassembling unit 3: include circular slot 31, keyway 32, keyway two 33, ring 34, key piece 35 and chucking subassembly, a circular slot 31 has been seted up respectively at both ends around roller shell 2, two ends are evenly seted up four keyways 32 along the circumferencial direction respectively around the inboard of roller shell 2, four keyway two 33 have evenly been seted up along the circumferencial direction respectively at both ends around the outside of the middle part bulge loop of roller 1, both ends have a ring 34 along fore-and-aft direction sliding connection respectively around the outside of roller 1, the outside of two ring 34 is connected with the cooperation between the inboard of the circular slot 31 that corresponds respectively, the inner of two ring 34 evenly is provided with four key pieces 35 along the circumferencial direction respectively, the outside of every key piece 35 is connected with the cooperation between the inboard of the keyway 32 that corresponds and keyway two 33 respectively, the outside of every ring 34 is provided with the chucking subassembly of being connected of cooperation between the inboard of the circular slot 31 that corresponds respectively.

Through installing the bulge loop department at roller 1 outside middle part with roller shell 2, realize the chucking effect to ring 34 under the effect of circular slot 31, outside at every key piece 35 respectively with the cooperation linkage between the inboard of a keyway 32 and a keyway two 33 that correspond under, realize the effect in the roller 1 outside with firm the cup jointing of roller shell 2 through the inside slip ring 34, when the change is dismantled to needs, make ring 34 outwards slide, thereby realize the effect of changing to quick dismantlement of roller shell, realize the joint that stabilizes ring 34 at the inside effect of circular slot 31 under the effect of chucking subassembly.

The chucking subassembly includes draw-in groove 36, round hole 37 and round bar 38, and four draw-in grooves 36 have evenly been seted up along the circumferencial direction respectively in the inboard of two round grooves 31, and four round holes 37 have evenly been seted up along the circumferencial direction respectively in the outside of two rings 34, and inside and outside direction sliding connection has a round bar 38 in the inside of every round hole 37 respectively, and the outside outer end of every round bar 38 is connected with the cooperation between the inboard of the draw-in groove 36 that corresponds respectively.

Under the matching and connecting action between the outer end of the outer side of each round rod 38 and the inner side of the corresponding clamping groove 36, the round rods 38 slide outwards in the corresponding round holes 37, so that the round rings 34 are firmly clamped in the round grooves 31.

The clamping assembly further comprises sliding grooves 39 and sliding blocks 310, the inner outer side of each round hole 37 is provided with one sliding groove 39 along the inner and outer directions, the number of the sliding blocks 310 is eight, and the eight sliding blocks 310 are respectively in sliding connection with the inner sides of the corresponding sliding grooves 39 along the inner and outer directions through the inner end of the front side of one round rod 38.

The sliding blocks 310 are driven by external force to slide in the inner and outer directions at the inner sides of the corresponding sliding grooves 39, and the sliding blocks 310 drive the round rods 38 to slide in the corresponding round holes 37.

The clamping assembly further comprises eight springs 311, the eight springs 311 are arranged at the inner ends of the eight round holes 37, and the outer ends of the eight springs 311 are fixedly connected with the inner ends of the eight round rods 38.

The circular rods 38 are forced outwardly by the springs 311, so that the fitting connection between the outer end of each circular rod 38 and the inner side of the corresponding slot 36 is more stable.

The bolt is characterized by further comprising bolts 4 and threaded holes 5, four threaded holes 5 are evenly formed in the inner ends of the two circular grooves 31 respectively in the circumferential direction, four bolts 4 are evenly arranged at the outer ends of the two circular rings 34 respectively in the circumferential direction, and the inner end of the outer side of each bolt 4 penetrates through the corresponding circular ring 34 and is in threaded connection with the inner side of the corresponding threaded hole 5.

Under the effect of threaded connection between the outer inner end of each bolt 4 respectively penetrating through the corresponding circular ring 34 and the inner side of the corresponding threaded hole 5, the circular ring 34 is fixedly connected to the end part of the convex ring in the middle of the outer side of the roller shaft 1, and therefore the roller sleeve 2 is better connected to the middle of the outer side of the roller shaft 1.

The handle is characterized by further comprising handles 6 and rubber protecting shells 7, the outer ends of the two circular rings 34 are respectively provided with the two handles 6, and the middle parts of the outer sides of the two handles 6 are respectively provided with one rubber protecting shell 7.

The ring 34 is easier to move by external force through the handle 6, and the softness of the outer side of the handle 6 is increased through the rubber protective shell 7.

The utility model provides a vertical mill composite roll cover quick replacement structure's theory of operation as follows:

the roller sleeve 2 is arranged at the convex ring at the middle part of the outer side of the roller shaft 1, the clamping effect on the circular ring 34 is realized under the action of the circular groove 31, the outer side of each key block 35 is respectively matched and connected with the inner sides of the corresponding key groove I32 and the key groove II 33, the roller sleeve 2 is stably sleeved on the outer side of the roller shaft 1 through the inward sliding circular ring 34, when the roller sleeve needs to be disassembled and replaced, the circular ring 34 slides outwards, so that the roller sleeve can be rapidly disassembled and replaced, the sliding block 310 is driven to slide along the inner and outer directions at the inner sides of the corresponding sliding grooves 39 through external force, the circular rods 38 are driven to slide in the corresponding circular holes 37 through the sliding of the sliding block 310, and under the matching and connecting effect between the outer end of the outer side of each circular rod 38 and the inner side of the corresponding clamping groove 36, realize the firm joint of ring 34 in the inside effect of circular slot 31 through round bar 38 at the inside of the round hole 37 that corresponds outside slip, make round bar 38 have an outside power under spring 311's effect, thereby make the outside outer end of every round bar 38 respectively with the inboard cooperation between the draw-in groove 36 that corresponds be connected more stably, pass respectively corresponding ring 34 and the inboard threaded connection effect between the inboard of the screw hole 5 that corresponds at the outside of every bolt 4 the inner, make ring 34 fixed connection at the tip of the protruding ring in the outside of roller 1, thereby make the better outside middle part of connecting at roller 1 of roller shell 2, make ring 34 realize the effect of removal through external force more easily through handle 6, increase the gentle degree in the outside of handle 6 through rubber protecting shell 7.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. Compound roller shell quick replacement structure of vertical mill, its characterized in that: comprises a roll shaft (1), a roll sleeve (2) and a dismounting unit (3);

roller shaft (1): the middle part of the outer side is provided with a roller sleeve (2);

detaching unit (3): include circular slot (31), keyway (32), keyway two (33), ring (34), key piece (35) and chucking subassembly, one circular slot (31) has been seted up respectively at both ends around roller shell (2), and four keyway (32) have evenly been seted up respectively along the circumferencial direction at both ends around the inboard of two roller shells (2), four keyway two (33) have evenly been seted up respectively along the circumferencial direction at both ends around the outside of the middle part bulge loop of roller (1), both ends have one ring (34) along fore-and-aft direction sliding connection respectively around the outside of roller (1), and the outside of two ring (34) is connected with the cooperation between the inboard of corresponding circular slot (31) respectively, and the inner of two ring (34) evenly is provided with four key pieces (35) along the circumferencial direction respectively, and the outside of every key piece (35) is connected with the cooperation between the inboard of corresponding keyway (32) and keyway two (33) respectively, and the outside of every ring (34) is provided with the chucking subassembly that the cooperation is connected between the inboard of corresponding circular slot (31) respectively.

2. The composite roll sleeve quick replacement structure of a vertical mill according to claim 1, characterized in that: the chucking subassembly includes draw-in groove (36), round hole (37) and round bar (38), and four draw-in grooves (36) have evenly been seted up along the circumferencial direction respectively in the inboard of two circular slots (31), and four round hole (37) have evenly been seted up along the circumferencial direction respectively in the outside of two rings (34), and the inside of every round hole (37) has a round bar (38) along inside and outside direction sliding connection respectively, and the outside outer end of every round bar (38) is connected with the cooperation between the inboard of corresponding draw-in groove (36) respectively.

3. The composite roll sleeve quick replacement structure of the vertical mill according to claim 2, characterized in that: the clamping assembly further comprises sliding grooves (39) and sliding blocks (310), one sliding groove (39) is formed in the outer side of the inner portion of each round hole (37) along the inner direction and the outer direction, the eight sliding blocks (310) are arranged, and the eight sliding blocks (310) are connected with the inner side of the corresponding sliding groove (39) in a sliding mode along the inner direction and the outer direction respectively through the inner end of the front side of one round rod (38).

4. The composite roll sleeve quick replacement structure of the vertical mill according to claim 2, characterized in that: the clamping assembly further comprises eight springs (311), the eight springs (311) are arranged at the inner ends of the eight round holes (37), and the outer ends of the eight springs (311) are fixedly connected with the inner ends of the eight round rods (38) respectively.

5. The composite roll sleeve quick replacement structure of the vertical mill according to claim 1, characterized in that: the bolt is characterized by further comprising bolts (4) and threaded holes (5), four threaded holes (5) are uniformly formed in the inner ends of the two circular grooves (31) along the circumferential direction respectively, four bolts (4) are uniformly arranged in the outer ends of the two circular rings (34) along the circumferential direction respectively, and the inner end of the outer side of each bolt (4) penetrates through the corresponding circular ring (34) and is in threaded connection with the inner side of the corresponding threaded hole (5).

6. The composite roll sleeve quick replacement structure of the vertical mill according to claim 1, characterized in that: the handle is characterized by further comprising handles (6) and rubber protecting shells (7), the outer ends of the two circular rings (34) are respectively provided with the two handles (6), and the middle parts of the outer sides of the two handles (6) are respectively provided with the rubber protecting shells (7).