CN219520033U

CN219520033U - Pinch roll convenient to dismouting

Info

Publication number: CN219520033U
Application number: CN202223545708.4U
Authority: CN
Inventors: 翟宏章; 王喜伟; 刘姣
Original assignee: Henan Dafei Industrial Co ltd
Current assignee: Henan Dafei Industrial Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-15
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a pinch roll convenient to disassemble and assemble, which comprises a bearing seat, connecting shafts, a roll core and a roll sleeve, wherein the two connecting shafts are movably arranged on the bearing seat through bearings, a clamping groove II is formed in the outer ring surface of the inward end of each connecting shaft, a clamping groove I is formed in the inward recess of each clamping groove II, clamping blocks are uniformly formed at the left end and the right end of the roll core in a unifying mode, a mounting plate is integrally formed on the front side surface of each clamping block, and the roll core is fixed between the two connecting shafts through the clamping blocks and the mounting plate, and compared with the prior art, the pinch roll has the following beneficial effects: through dividing into four parts of roller core, roller shell and two connecting axles with whole pinch roll, two connecting axles pass through bearing movable mounting on the bearing frame, pass through joint piece, mounting panel with the roller core and fix in joint groove one, joint groove two of connecting axle, this makes the roller core dismantle fast, only need demolish the roller core when changing can.

Description

Pinch roll convenient to dismouting

Technical Field

The utility model belongs to the technical field of pinch rolls of cold rolling mills, and particularly relates to a pinch roll convenient to disassemble and assemble.

Background

Chinese patent No. CN204035191U describes cold rolling mill compression roller take-out device, including base, supporting shoe, compression roller and bearing, the base left side is equipped with the supporting shoe, be equipped with the bearing in the supporting shoe, the compression roller right side is equipped with the cover shell, be equipped with the movable rod in the cover shell, the movable rod is installed in the bearing, the base top is equipped with the motor, be equipped with the expansion block on the motor, the expansion block is connected with ejecting piece, be equipped with the bolt on the cover shell, the quantity of bolt is 2 at least, and this kind of cold rolling mill compression roller take-out device is in the process of using, the completion compression roller that can be quick takes out the process, has improved maintenance's efficiency, has reduced workman's the amount of labour, excellent in use effect.

In the structure, the telescopic block is connected with the ejection block, so that the telescopic block pushes the movable rod against the movable rod in the bearing, the position of the movable rod for ejecting the movable rod out of the bearing is slowly realized, and the aim of taking out the press roller is fulfilled.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a pinch roll convenient to assemble and disassemble and solve the problems in the background art.

The utility model is realized by the following technical scheme: the pinch roll comprises bearing seats, connecting shafts, roll cores and roll sleeves, wherein two bearing seats are arranged, bearings are arranged in the two bearing seats, a gland is arranged at the left end and the right end of each bearing seat through a first bolt, two connecting shafts are arranged, and the two connecting shafts are movably arranged on the bearing seats through bearings;

a second clamping groove is formed in the outer ring surface of the inward end of each connecting shaft, and a first clamping groove is formed in the second clamping groove in an inward concave manner;

the roller sleeve is sleeved on the outer ring surface of the roller core, clamping blocks are uniformly formed at the left end and the right end of the roller core, and a mounting plate is integrally formed on the front side surface of the clamping blocks;

the roller core is fixed between the two connecting shafts through the clamping blocks and the mounting plate, the clamping blocks are arranged in the first clamping grooves, and the mounting plate is arranged in the second clamping grooves.

As a preferred implementation mode, the shape and the size of the clamping block are matched with those of the clamping groove I, so that the clamping block is conveniently clamped in the clamping groove I;

the shape and the size of the mounting plate are matched with those of the second clamping groove, so that the mounting plate is conveniently fixed in the second clamping groove.

As a preferred embodiment, the upper end and the lower end of the front side surface of the mounting plate are respectively provided with two threaded holes II;

two first threaded holes are formed in the upper end and the lower end of the second clamping groove, and the mounting plate is fixed with the second clamping groove through the second bolt, the first threaded holes and the second threaded holes.

As a preferred embodiment, the upper end of the inner side surface of each connecting shaft is provided with a threaded hole III in a downward penetrating way, and the threaded holes III extend downwards to the lower end of the connecting shaft;

the clamping block is fixed by the aid of the threaded holes, and the clamping block is not easy to break away from after the clamping plate is fixed in the clamping groove I.

As a preferable implementation mode, the right side surface of the roller core is concavely provided with two positioning grooves towards the left, and the positioning grooves do not penetrate through the left side surface of the roller core, so that the roller sleeve is conveniently sleeved in the roller core, and relative rolling does not occur;

the upper side and the lower side of the right side surface of the roller core are respectively provided with a fixing groove.

As a preferable implementation mode, positioning blocks are integrally formed on the front side and the rear side of the surface of the inner ring of the roller sleeve, and fixing blocks are arranged on the upper end and the lower end of the surface of the inner ring of the roller sleeve;

the positioning block is inserted into the positioning groove.

After the technical scheme is adopted, the utility model has the beneficial effects that: the whole pinch roll is divided into four parts of a roll core, a roll sleeve and two connecting shafts, the two connecting shafts are movably mounted on a bearing seat through bearings, and the roll core is fixed in a clamping groove I and a clamping groove II of the connecting shafts through clamping blocks and mounting plates, so that the roll core can be quickly disassembled, and only the roll core is required to be disassembled when the roll core is replaced, and the disassembly and assembly efficiency is improved;

the roller sleeve is sleeved on the surface of the outer ring of the roller core, so that the clamping operation is performed by the roller sleeve, and when the surface damage of the pinch roller needs to be replaced, the roller sleeve is only required to be removed for replacement, the whole replacement is not required, and the manufacturing cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a pinch roll of the present utility model which is easy to disassemble and assemble.

Fig. 2 is a schematic diagram showing connection between a connecting shaft and a bearing seat of a pinch roll convenient to disassemble and assemble.

FIG. 3 is a schematic view showing the connection between the roll core and the roll sleeve of the pinch roll of the present utility model.

FIG. 4 is a schematic view of a roll core of a pinch roll of the present utility model which is easy to disassemble and assemble.

In the figure, a 1-bearing seat, a 2-gland, a 3-connecting shaft, a 31-clamping groove I, a 32-clamping groove II, a 33-threaded hole I, a 4-roller core, a 41-clamping block, a 42-mounting plate, a 43-threaded hole II, a 44-fixing groove, a 45-positioning groove, a 5-roller sleeve, a 51-positioning block and a 52-fixing block are arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the pinch roll convenient to disassemble and assemble comprises two bearing seats 1, connecting shafts 3, roll cores 4 and roll sleeves 5, wherein bearings are arranged in the two bearing seats 1, a gland 2 is arranged at the left end and the right end of each bearing seat 1 through a first bolt, the connecting shafts 3 are two, and the two connecting shafts 3 are movably arranged on the bearing seats 1 through bearings;

the surface of the outer ring at the inward end of each connecting shaft 3 is provided with a second clamping groove 32, and the second clamping grooves 32 are inwards sunken to form a first clamping groove 31;

the roller sleeve 5 is sleeved on the outer ring surface of the roller core 4, the left end and the right end of the roller core 4 are uniformly and integrally formed with a clamping block 41, and the front side surface of the clamping block 41 is integrally formed with a mounting plate 42;

the roller core 4 is fixed between the two connecting shafts 3 through the clamping blocks 41 and the mounting plate 42, the clamping blocks 41 are arranged in the first clamping grooves 31, and the mounting plate 42 is arranged in the second clamping grooves 32.

As an embodiment of the present utility model, referring to fig. 1 to 4, the shape and size of the clamping block 41 are matched with those of the clamping groove one 31, so that the clamping block 41 is conveniently clamped in the clamping groove one 31;

the shape and the size of the mounting plate 42 are matched with those of the second clamping groove 32, so that the mounting plate 42 is conveniently fixed in the second clamping groove 32.

The upper end and the lower end of the front side surface of the mounting plate 42 are respectively provided with two threaded holes II 43;

two first threaded holes 33 are formed in the upper end and the lower end of the second clamping groove 32, and the mounting plate 42 and the second clamping groove 32 are fixed through the second bolt, the first threaded holes 33 and the second threaded holes 43.

The upper end of the surface of each connecting shaft 3 facing the inner side is downwards penetrated to form a threaded hole III, and the threaded hole III downwards extends to the lower end of the connecting shaft 3;

the upper end surface of the clamping block 41 is downwards penetrated to form a threaded hole IV, the clamping block 41 is fixed with the connecting shaft 3 through the threaded hole III, the threaded hole IV and the bolt III, and after the clamping plate is fixed in the clamping groove I31, the bolt is screwed into the threaded hole III and the threaded hole IV, so that the clamping block 41 can be fixed, and detachment is not easy to occur.

When the pinch roll is disassembled, firstly, the clamping blocks 41 on the roll core 4 are horizontally outwards, the connecting shaft 3 is kept fixed, then, the bolts III are taken out of the threaded holes III and IV by using a tool, a plurality of bolts II are sequentially taken out of the threaded holes I33 and 43 by using a tool, and after the bolts III and II at the left end and the right end are taken out, the pinch roll can be taken out; during installation, similar to the operation, the clamping blocks 41 and the mounting plates 42 at the left end and the right end of the roller core 4 are respectively arranged in the clamping groove I31 and the clamping groove II 32, and the bolt II and the bolt III are screwed and fixed;

through dividing into four parts of roller core 4, roller sleeve 5 and two connecting axles 3 with whole pinch roll, two connecting axles 3 pass through bearing movable mounting on bearing frame 1, fix roller core 4 through joint piece 41, mounting panel 42 in joint groove one 31, joint groove two 32 of connecting axle 3, this makes roller core 4 dismantle fast, only need demolish roller core 4 when changing can, has improved dismouting efficiency.

As an embodiment of the present utility model, referring to fig. 1, 3 and 4, two positioning grooves 45 are formed on the right side surface of the roller core 4 towards the left recess, and the positioning grooves 45 do not penetrate the left side surface of the roller core 4, so that the roller sleeve 5 is conveniently sleeved in the roller core 4 and does not roll relatively;

a fixing groove 44 is formed on the upper and lower sides of the right side surface of the roll core 4.

The front side and the rear side of the surface of the inner ring of the roller sleeve 5 are integrally formed with positioning blocks 51, and the upper end and the lower end of the surface of the inner ring of the roller sleeve 5 are provided with fixed blocks 52;

the positioning block 51 is inserted into the positioning groove 45.

During actual use, the roller sleeve 5 is sleeved on the outer ring surface of the roller core 4, so that the clamping operation is performed by the roller sleeve 5, when the surface of the pinch roller is damaged and needs to be replaced, the roller sleeve 5 is only required to be removed for replacement, the whole replacement is not required, the manufacturing cost is reduced, specifically, a screw is taken down from the fixed block 52, the roller sleeve 5 is pulled out from left to right, the positioning block 51 on the new roller sleeve 5 is inserted into the positioning groove 45, the fixed block 52 is placed in the fixing groove 44, and the screw is used for fixing.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The pinch roll convenient to disassemble and assemble comprises bearing seats (1), connecting shafts (3), roll cores (4) and roll sleeves (5), wherein two bearing seats (1) are arranged, bearings are arranged in the two bearing seats (1), and a gland (2) is arranged at the left end and the right end of each bearing seat (1) through a first bolt;

a second clamping groove (32) is formed in the outer ring surface of the inner side of each connecting shaft (3), and a first clamping groove (31) is formed in the second clamping groove (32) in an inward sunken mode;

the roller sleeve (5) is sleeved on the outer ring surface of the roller core (4), a clamping block (41) is uniformly formed at the left end and the right end of the roller core (4), and a mounting plate (42) is integrally formed on the front side surface of the clamping block (41);

the roller core (4) is fixed between the two connecting shafts (3) through the clamping blocks (41) and the mounting plates (42), the clamping blocks (41) are arranged in the clamping grooves I (31), and the mounting plates (42) are arranged in the clamping grooves II (32).

2. A pinch roll convenient to disassemble and assemble as set forth in claim 1, wherein: the shape and the size of the clamping block (41) are matched with those of the clamping groove I (31);

the shape and the size of the mounting plate (42) are matched with those of the clamping groove II (32).

3. A pinch roll convenient to disassemble and assemble as set forth in claim 2, wherein: the upper end and the lower end of the front side surface of the mounting plate (42) are respectively provided with two threaded holes II (43);

two first threaded holes (33) are formed in the upper end and the lower end of the second clamping groove (32), and the mounting plate (42) is fixed with the second clamping groove (32) through the second bolt, the first threaded holes (33) and the second threaded holes (43).

4. A pinch roll convenient to disassemble and assemble as claimed in claim 3, wherein: the upper end of the inner side surface of each connecting shaft (3) downwards penetrates through a threaded hole III, and the threaded holes III downwards extend to the lower end of the connecting shaft (3);

the upper end surface of the clamping block (41) is downwards penetrated to form a threaded hole IV, and the clamping block (41) is fixed with the connecting shaft (3) through the threaded hole IV, the threaded hole IV and a bolt III.

5. A pinch roll convenient to disassemble and assemble as set forth in claim 1, wherein: two positioning grooves (45) are formed on the right side surface of the roller core (4) towards the left in a recessed mode, and the positioning grooves (45) do not penetrate through the left side surface of the roller core (4);

the upper side and the lower side of the right side surface of the roller core (4) are respectively provided with a fixing groove (44).

6. A pinch roll convenient to disassemble and assemble as set forth in claim 5, wherein: positioning blocks (51) are integrally formed on the front side and the rear side of the inner ring surface of the roller sleeve (5), and fixing blocks (52) are arranged at the upper end and the lower end of the inner ring surface of the roller sleeve (5);

the positioning block (51) is inserted into the positioning groove (45).