CN111575850B

CN111575850B - Fast-assembling weaving rubber roll of outer glue film of quick replacement

Info

Publication number: CN111575850B
Application number: CN202010365604.1A
Authority: CN
Inventors: 卓理财; 李少青
Original assignee: Anhui Lanxiang Textile Machinery Technology Co ltd
Current assignee: Anhui Lanxiang Textile Machinery Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-12-03
Anticipated expiration: 2040-04-30
Also published as: CN114293294A; CN111575850A

Abstract

The invention provides a fast-assembly spinning rubber roll capable of quickly replacing an outer rubber layer, belongs to the technical field of spinning rubber roll equipment, and solves the technical problems that the rubber roll is difficult to disassemble, assemble and replace, and the rubber layer is difficult to disassemble and replace. Including rubber roll and two rotating disk subassemblies, the rubber roll includes the roller core, it is provided with the glue film steel roller to slide on the roller core, the both ends of roller core all are fixed with the connection pad, one side of connection pad is fixed with first connection nose bar and the second of symmetric distribution and connects the nose bar, the rotating disk subassembly includes the fixed disk, it is equipped with the carousel to rotate the cover on the fixed disk, the hole of placing of a plurality of circumference equipartitions is seted up to one side of fixed disk, set up the first reducing hole and the second reducing hole of symmetric distribution on the carousel, first connection nose bar and second are connected the nose bar and are passed through corresponding first reducing hole and second reducing hole respectively and stretch into and place downthehole portion, the fixed disk is connected with regulation coupling assembling, regulation coupling assembling all is connected with the bearing frame. The invention can be assembled and disassembled, is convenient to replace, and the outer rubber layer is convenient to disassemble and replace.

Description

Fast-assembling weaving rubber roll of outer glue film of quick replacement

Technical Field

The invention belongs to the technical field of spinning rubber roller equipment, and particularly relates to a spinning rubber roller, in particular to a fast-assembly spinning rubber roller capable of quickly replacing an outer rubber layer.

Background

The spinning machine rubber roller is a roller-shaped product which is made by taking metal or other materials as a core and coating rubber outside and vulcanizing, generally comprises outer layer rubber, a hard outer rubber layer, a metal core, a roller neck and a vent hole, and the processing comprises the working procedures of roller core sand blasting, bonding treatment, rubberizing forming, cloth wrapping, iron wire winding, vulcanizing in a vulcanizing tank, surface processing and the like.

The spinning rubber roll can be aged after using one end time, and the erosion of chemicals is added, and the rotten glue is caused to fall 'dregs', and such rubber roll just can not be used again, otherwise seriously influences the print quality, just need to change new rubber roll this moment, the rubber roll under the change just can not be used basically, but the installation and the dismantlement of current spinning rubber roll are very inconvenient, and the face of gluing of rubber roll main part is changed complicacy simultaneously, and is inconvenient, need to spend a large amount of manpower and materials to remove the erection joint of rubber roll, and is inefficient, therefore a fast-assembling spinning rubber roll of changing outer rubber layer.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a fast-assembly spinning rubber roller for fast replacing an outer rubber layer, which aims to solve the technical problems that: how quick assembly disassembly changes the rubber roll, dismantle the rubber layer of changing the damage fast simultaneously.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a fast-assembling weaving rubber roll of quick replacement outer glue film, including rubber roll and two rotating disc subassemblies, the rubber roll includes the roller core, it is provided with glue film steel roller to slide on the roller core, the both ends of roller core all are fixed with the connection pad, one side of connection pad is fixed with first connection nose bar and the second of symmetric distribution and connects the nose bar, the rotating disc subassembly includes the fixed disk, it is equipped with the carousel to rotate the cover on the fixed disk, the hole of placing of a plurality of circumference equipartitions is seted up to one side of fixed disk, set up the first reducing hole and the second reducing hole of symmetric distribution on the carousel, first connection nose bar passes through corresponding first reducing hole and stretches into and places downthehole portion, the second is connected with the regulation coupling assembling, it all is connected with the bearing frame to adjust the coupling assembling.

The working principle of the invention is as follows: installing two bearing seats on a placing device, installing an adjusting and connecting assembly on the bearing seats, installing a fixed disc on the adjusting and connecting assembly, installing connecting discs at two ends of a roller core of a rubber roller respectively, as a whole, hoisting the rubber roller by adopting a hoisting mechanism or manually picking up the rubber roller, wherein the connecting discs are positioned above the fixed disc, then pressing the adjusting and connecting assembly to compress the adjusting and connecting assembly, driving the fixed disc and a rotary disc to move towards the bearing seats, then moving the connecting discs downwards, aligning a first connecting convex rod and a second connecting convex rod of the connecting discs with a first reducing hole and a second reducing hole respectively, loosening the adjusting and connecting assembly, driving the fixed disc and the rotary disc to reset by the adjusting and connecting assembly, wherein the first connecting convex rod penetrates through the corresponding first reducing hole to extend into the placing hole, the second connecting convex rod penetrates through the corresponding second reducing hole to extend into the placing hole, and rotating the rotary disc, with connection pad and rolling disc subassembly locking together, thereby install the rubber roll, high durability and convenient installation, use after a period, the glue film of rubber roll is impaired, the antiport carousel, remove the closure of connection pad and rolling disc subassembly, press down the regulation coupling assembling, the compression of regulation coupling assembling, break away from the rolling disc subassembly with the connection pad, take off the rubber roll fast, the rubber roll of renewal again, the rubber roll steel roll can be followed the roller core and taken off simultaneously, make things convenient for the new glue film steel roll of quick replacement, the glue film of changing the damage can be returned the factory and reprocessed the utilization.

Be fixed with the feather key of a plurality of circumference equipartitions on the roller core, the one end of feather key is fixed with the stopper, the inside keyway of seting up a plurality of circumference equipartitions of glue film steel roll, and the feather key slides and sets up inside the keyway that corresponds, and the counter bore has all been seted up at the both ends of glue film steel roll, and the other pot head of roller core is equipped with the locking piece, and inside locking piece and stopper were located the counter bore respectively, and the locking piece passes through the other end of bolt fastening at the feather key, and the cladding has outer glue film on the glue film steel roll.

Structure more than adopting, insert the feather key with the keyway of glue film steel roller, convenient slip, simultaneously through the cooperation of feather key and keyway, drive glue film steel roller and rotate to drive outer glue film and rotate, the counter bore cover of one side of glue film steel roller is on the stopper, embolias the roller core with the locking piece again, through the bolt fastening on the feather key, easy dismounting, after outer glue film damages, can dismantle glue film steel roller fast, returns the factory and reprocesses, changes the utilization.

The other side of connection pad is fixed with the locking loop bar, is provided with holding screw on the locking loop bar, and the tip of roller core slides and sets up inside the locking loop bar, and the tip of holding screw is contradicted on the roller core, and the tip of first connection nose bar and second connection nose bar all is fixed with the cylinder piece.

By adopting the structure, the end part of the roller core is inserted into the locking loop bar and then screwed with the set screw, and the end part of the set screw is abutted against the roller core to lock the roller core.

The turntable is characterized in that a pushing handle is fixed above the turntable, an inner threaded hole is formed in the middle of the other side of the fixed disc, a plurality of wedge-shaped protrusions are arranged on the side, abutted against the connecting disc, of the turntable and correspond to the first reducing hole and the second reducing hole in position, and the small holes of the first reducing hole and the second reducing hole are located at the positions, higher than the wedge-shaped protrusions.

Structure more than adopting promotes protruding convenience of customers and promotes the carousel and rotate, and the carousel rotates, and the protruding connection pad of contradicting of wedge is in the same place connection pad and carousel lock, conveniently connects and dismantles.

The diameter of cylinder piece is the same with the aperture of placing the hole, and the diameter of cylinder piece is the same with the macropore hole of first reducing hole and the macropore hole of second reducing hole is the same, and the diameter of first connecting convex rod is the same with the aperture internal diameter of first reducing hole, and the diameter of second connecting convex rod is the same with the aperture internal diameter of second reducing hole.

Structure more than adopting, the diameter of cylinder piece is the same with the aperture of placing the hole, conveniently inserts the cylinder piece and places downthehole portion, and the locking of first connection nose bar and second connection nose bar is in the aperture in first reducing hole and the inside in second reducing hole.

Adjusting connection subassembly includes spacing sleeve dish, square bar, a spring, the sleeve is fixed inside the bearing inner race of bearing frame, the spring slides and sets up inside the sleeve, the one end of square bar is fixed with the dog, the dog slides and sets up inside the sleeve, the dog is contradicted on the spring, the end fixing of spacing sleeve dish has the external screw thread loop bar, the external screw thread loop bar spiro union is inside the sleeve, the square bar slides and sets up inside the square hole of spacing sleeve dish and external screw thread loop bar, the other end of square bar is fixed with the screw rod, inside the screw including the screw rod spiro union.

Structure more than adopting, install the sleeve inside the bearing inner race of bearing frame, install the spring mounting inside the sleeve again, adorn the square bar inside the sleeve, external screw thread loop bar spiro union is inside the sleeve, the square bar can be at spacing sleeve dish and the inside slip of external screw thread loop bar, screw hole inside including the screw rod spiro union of square bar, link together adjusting coupling subassembly and rolling disc subassembly, the square bar drives the movable plate subassembly and removes, inwards press the rolling disc subassembly, the rolling disc subassembly drives on the square bar compression spring, it resets to kick-back to loosen the pressure spring, promote the dog and reset, it removes to drive the rolling disc subassembly promptly.

The outer diameter of the stop block is the same as the inner diameter of the sleeve, and the external dimension of the square rod is the same as the square holes of the limiting sleeve disc and the external thread sleeve rod.

By adopting the structure, the sliding is stable, the quick connection mounting rotating disc assembly and the connecting disc are ensured, the square rod rotates, and the limiting sleeve disc and the external thread sleeve rod are driven to rotate through the square hole.

Compared with the prior art, this fast-assembling weaving rubber roll of outer glue film of quick replacement has following advantage:

adopt rolling disc subassembly and regulation coupling assembling cooperation, form adjustable installation whole to through rolling disc subassembly and connection pad high-speed joint, it is convenient to dismantle, and the installation is quick, and the rubber roll adopts roller core and glue film steel roller sliding fit, but the outer glue film of quick replacement damage, and regulation coupling assembling adopts sleeve and square pole, dog and spring cooperation, makes things convenient for compression regulation, carries out quick assembly disassembly.

Drawings

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

FIG. 2 is a schematic diagram of a partially exploded structure of the present invention;

FIG. 3 is an exploded view of the rubber roller of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 5 is a schematic view of a portion of the component construction of the present invention;

in the figure: the device comprises a rubber roller 1, a roller core 1a, a sliding key 1b, a rubber layer steel roller 1c, an outer rubber layer 1d, a key slot 1e, a locking block 1f, a limiting block 1g, a connecting disc 2, a locking loop bar 2a, a first connecting convex bar 2b, a second connecting convex bar 2c, a rotating disc 3-assembly, a rotating disc 3a, a pushing handle convex 3b, a first diameter-changing hole 3c, a second diameter-changing hole 3d, a fixed disc 3e, an inner screw hole 3f, a placing hole 3g, an adjusting and connecting assembly 4a, a limiting loop disc 4a, an outer screw thread loop bar 4b, a square bar 4c, a stop block 4d, a spring 4e, a sleeve 4f and a bearing seat 5.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, the embodiment provides a fast-assembling spinning rubber roll capable of rapidly replacing an outer rubber layer, comprising a rubber roll 1 and two rotating disc assemblies 3, wherein the rubber roll 1 comprises a roll core 1a, a rubber layer steel roll 1c is slidably arranged on the roll core 1a, connecting discs 2 are respectively fixed at two ends of the roll core 1a, a first connecting convex rod 2b and a second connecting convex rod 2c which are symmetrically distributed are fixed at one side of each connecting disc 2, each rotating disc assembly 3 comprises a fixed disc 3e, a rotating disc 3a is rotatably sleeved on the fixed disc 3e, a plurality of placing holes 3g which are uniformly distributed circumferentially are arranged at one side of the fixed disc 3e, a first variable diameter hole 3c and a second variable diameter hole 3d which are symmetrically distributed are arranged on the rotating disc 3a, the first connecting convex rod 2b extends into the placing hole 3g through the corresponding first variable diameter hole 3c, the second connecting convex rod 2c extends into the placing hole 3g through the corresponding second variable diameter hole 3d, the fixed disc 3e is connected with an adjusting and connecting assembly 4, and the adjusting and connecting assembly 4 is connected with a bearing seat 5; two bearing seats 5 are arranged on a placing device, an adjusting connecting assembly 4 is arranged on the bearing seats 5, a fixed disc 3e is arranged on the adjusting connecting assembly 4, connecting discs 2 are respectively arranged at two ends of a roller core 1a of a rubber roller 1, the rubber roller 1 is lifted by a hoisting mechanism or manually picked up, the connecting discs 2 are positioned above the fixed disc 3e, then the adjusting connecting assembly 4 is pressed, the adjusting connecting assembly 4 is compressed to drive the fixed disc 3e and a rotary disc 3a to move towards the bearing seats 5, then the connecting discs 2 are moved downwards, a first connecting convex rod 2b and a second connecting convex rod 2c of the connecting discs 2 are respectively aligned to a first reducing hole 3c and a second reducing hole 3d, then the adjusting connecting assembly 4 is loosened, the adjusting connecting assembly 4 drives the fixed disc 3e and the rotary disc 3a to reset, and the first connecting convex rod 2b penetrates through the corresponding first reducing hole 3c to extend into a placing hole 3g, protruding pole 2c is connected to the second and is run through corresponding second reducing hole 3d and stretch into inside placing hole 3g, rotate carousel 3a, with connection pad 2 and carousel subassembly 3 lock together, thereby install rubber roll 1, high durability and convenient installation, use after a period of time, the glue film of rubber roll 1 is impaired, reverse rotation carousel 3a, relieve connection pad 2 and carousel subassembly 3's closure, press down and adjust coupling assembling 4, adjust coupling assembling 4 compression, break away from carousel subassembly 3 with connection pad 2, take off rubber roll 1 fast, more renew rubber roll 1 again, glue film steel roll 1c can be followed roller core 1a and taken off simultaneously, make things convenient for new glue film steel roll 1c of quick replacement, the glue film of changing the damage can return the factory to repair and utilize.

A plurality of sliding keys 1b which are uniformly distributed on the circumference are fixed on the roller core 1a, a limiting block 1g is fixed at one end of each sliding key 1b, a plurality of key slots 1e which are uniformly distributed on the circumference are formed in the rubber layer steel roller 1c, the sliding keys 1b are arranged in the corresponding key slots 1e in a sliding mode, counter bores are formed in the two ends of the rubber layer steel roller 1c, a locking block 1f is sleeved at the other end of the roller core 1a, the locking block 1f and the limiting block 1g are respectively located in the counter bores, the locking block 1f is fixed at the other end of the sliding key 1b through bolts, and an outer rubber layer 1d is wrapped on the rubber layer steel roller 1 c; insert glue film steel roller 1 c's keyway 1e in feather key 1b, convenient slip, simultaneously through feather key 1b and keyway 1 e's cooperation, drive glue film steel roller 1c and rotate, thereby drive outer glue film 1d and rotate, the counter bore cover of one side of glue film steel roller 1c is on stopper 1g, embolia roller core 1a with locking piece 1f again, fix on feather key 1b through the bolt, easy dismounting, outer glue film 1d damages the back, can dismantle glue film steel roller 1c fast, return the factory and reprocess, the change utilizes.

A locking loop bar 2a is fixed on the other side of the connecting disc 2, a set screw is arranged on the locking loop bar 2a, the end part of the roller core 1a is arranged in the locking loop bar 2a in a sliding mode, the end part of the set screw is abutted against the roller core 1a, and cylindrical blocks are fixed on the end parts of the first connecting convex bar 2b and the second connecting convex bar 2 c; after the end of the roller core 1a is inserted into the locking sleeve rod 2a, the end of the locking screw is screwed up, and the end of the locking screw is abutted against the roller core 1a to lock the roller core 1 a.

A pushing handle protrusion 3b is fixed above the rotary disc 3a, an inner threaded hole 3f is formed in the middle of the other side of the fixed disc 3e, a plurality of wedge-shaped protrusions are arranged on the side face, abutted against the connecting disc 2, of the rotary disc 3a, the wedge-shaped protrusions correspond to the first reducing hole 3c and the second reducing hole 3d in position, and small holes of the first reducing hole 3c and the second reducing hole 3d are located at the positions where the wedge-shaped protrusions are higher; the promotion is protruding 3b person of facilitating the use promotion carousel 3a and is rotated, and carousel 3a rotates, and the protruding connection pad 2 of contradicting of wedge is in the same place connection pad 2 and carousel 3a lock, conveniently connects and dismantles.

The diameter of the cylindrical block is the same as the aperture of the placing hole 3g, the diameter of the cylindrical block is the same as the large-hole inner hole of the first reducing hole 3c and the large-hole inner hole of the second reducing hole 3d, the diameter of the first connecting convex rod 2b is the same as the small-hole inner diameter of the first reducing hole 3c, and the diameter of the second connecting convex rod 2c is the same as the small-hole inner diameter of the second reducing hole 3 d; the diameter of cylinder piece is the same with the aperture of placing hole 3g, conveniently inserts the cylinder piece and places inside hole 3g, and the locking of first connection nose bar 2b and second connection nose bar 2c is in the aperture of first reducing hole 3c and the inside of second reducing hole 3 d.

The adjusting and connecting assembly 4 comprises a limiting sleeve disc 4a, a square rod 4c, a spring 4e and a sleeve 4f, wherein the sleeve 4f is fixed inside a bearing inner ring of the bearing seat 5, the spring 4e is arranged inside the sleeve 4f in a sliding mode, a stop block 4d is fixed at one end of the square rod 4c, the stop block 4d is arranged inside the sleeve 4f in a sliding mode, the stop block 4d abuts against the spring 4e, an external thread sleeve rod 4b is fixed at the end portion of the limiting sleeve disc 4a, the external thread sleeve rod 4b is in threaded connection inside the sleeve 4f, the square rod 4c is arranged inside square holes of the limiting sleeve disc 4a and the external thread sleeve rod 4b in a sliding mode, a screw rod is fixed at the other end of the square rod 4c, and the screw rod is in threaded connection inside an inner screw hole 3 f; install sleeve 4f inside the bearing inner race of bearing frame 5, install spring 4e inside sleeve 4f again, adorn square bar 4c inside sleeve 4f, external screw thread loop bar 4b spiro union is inside sleeve 4f, square bar 4c can slide inside spacing sleeve 4a and external screw thread loop bar 4b, screw bolt inside screw hole 3f inside square bar 4 c's screw bolt, link together adjusting connection subassembly 4 and rolling disc subassembly 3, square bar 4c drives rotatable dish subassembly 3 and removes, inwards press rotating disc subassembly 3, rotating disc subassembly 3 drives on square bar 4c compression spring 4e, it resets to loosen pressing spring 4e resilience, promote dog 4d and reset, drive rotating disc subassembly 3 removal promptly.

The outer diameter of the stop block 4d is the same as the inner diameter of the sleeve 4f, and the external dimension of the square rod 4c is the same as the square holes of the limiting sleeve disc 4a and the external thread sleeve rod 4 b; make to slide stably, guarantee high-speed joint installation rolling disc subassembly 3 and connection pad 2, square pole 4c rotates, through the square hole, drives spacing sleeve dish 4a and external screw thread loop bar 4b and rotates.

The working principle of the invention is as follows:

the two bearing blocks 5 are arranged on two sides of the placing device, the sleeve 4f is arranged inside a bearing inner ring of each bearing block 5, the spring 4e is arranged inside the sleeve 4f, the square rod 4c is arranged inside the sleeve 4f, the external thread loop bar 4b is in threaded connection inside the sleeve 4f, the square rod 4c can slide inside the limiting loop disc 4a and the external thread loop bar 4b, a screw rod of the square rod 4c is in threaded connection inside the inner screw hole 3f, the fixed disc 3e is arranged on the square rod 4c, and at the moment, the rotating disc assembly 3, the adjusting and connecting assembly 4 and the bearing blocks 5 form a fixed whole;

respectively inserting the end parts of the roller core 1a into the two locking loop bars 2a, screwing the set screws, enabling the end parts of the set screws to abut against the roller core 1a, and locking the roller core 1a as a whole;

hoisting by a hoisting mechanism or manually picking up the rubber roller 1, wherein the connecting disc 2 is positioned above the fixed disc 3e, pressing the rotating disc component 3 inwards, the rotating disc component 3 drives the square rod 4c to compress the spring 4e, the fixed disc 3e and the rotating disc 3a move towards the bearing seat 5, continuously moving the connecting disc 2 downwards, the first connecting convex rod 2b and the second connecting convex rod 2c of the connecting disc 2 are respectively aligned with the first reducing hole 3c and the second reducing hole 3d, after the rotating disc component 3 is loosened, the spring 4e rebounds and resets to push the stop block 4d to reset, the square rod 4c is driven to move towards the connecting disc 2, namely the rotating disc component 3 is driven to move towards the connecting disc 2, the cylindrical block is inserted into the placing hole 3g, the first connecting convex rod 2b is positioned in the big hole of the first reducing hole 3c, the second connecting convex rod 2c is positioned in the big hole of the second reducing hole 3d, poking the pushing handle protrusion 3b to drive the rotary table 3a to rotate, the first connecting protrusion rod 2b enters the small hole of the first reducing hole 3c, the second connecting protrusion rod 2c is positioned in the small hole of the second reducing hole 3d, the wedge-shaped protrusion is abutted against the connecting disc 2 to lock the connecting disc 2 and the rotary table 3a together, so that the rubber roller 1 is well installed, the installation is convenient, after the rubber roller 1 is used for a period of time, after the outer rubber layer 1d of the rubber roller 1 is damaged, the pushing handle protrusion 3b is poked reversely to drive the rotary table 3a to rotate reversely, the spring 4e is compressed in the pressing and adjusting connecting assembly 4, the cylinder block is threshed inside the placing hole 3g, the locking of the connecting disc 2 and the rotary table assembly 3 is released, the rubber roller 1 is quickly taken down, the rubber roller 1 is convenient to disassemble, the new rubber roller 1 is replaced, the locking block 1f is removed, the rubber layer steel roller 1c can be taken down from the roller core 1a fast replaced, the new rubber layer steel roller 1c is convenient, the glue layer steel roller 1c can be quickly disassembled, returned to a factory for repair, replaced and utilized.

The invention provides a fast-assembly spinning rubber roll with an outer rubber layer replaced quickly, which is characterized in that a rotating disc assembly 3 is matched with an adjusting and connecting assembly 4 to form an adjustable installation whole body, the rotating disc assembly 3 is quickly connected with a connecting disc 2, the dismounting is convenient, the installation is quick, the rubber roll 1 adopts a roller core 1a and a rubber layer steel roller 1c in sliding fit, the damaged outer rubber layer 1d can be replaced quickly, the adjusting and connecting assembly 4 adopts a sleeve 4f and a square rod 4c, a stop block 4d and a spring 4e in matching, the compression adjustment is convenient, and the quick dismounting is carried out.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A fast-assembling spinning rubber roll capable of rapidly replacing an outer rubber layer comprises a rubber roll (1) and two rotating disc assemblies (3) and is characterized in that the rubber roll (1) comprises a roll core (1 a), a rubber layer steel roll (1 c) is arranged on the roll core (1 a) in a sliding mode, connecting discs (2) are fixed at two ends of the roll core (1 a), a first connecting convex rod (2 b) and a second connecting convex rod (2 c) which are symmetrically distributed are fixed on one side of each connecting disc (2), each rotating disc assembly (3) comprises a fixed disc (3 e), a rotating disc (3 a) is rotatably sleeved on each fixed disc (3 e), a plurality of placing holes (3 g) which are uniformly distributed in the circumferential direction are formed in one side of each fixed disc (3 e), a first diameter changing hole (3 c) and a second diameter changing hole (3 d) which are symmetrically distributed are formed in each rotating disc (3 a), each first connecting convex rod (2 b) penetrates through the corresponding first diameter changing hole (3 c) to extend into each placing hole (3 g), the second connecting convex rod (2 c) penetrates through the corresponding second reducing hole (3 d) and extends into the placing hole (3 g), the fixed disc (3 e) is connected with the adjusting and connecting assembly (4), and the adjusting and connecting assembly (4) is connected with the bearing seat (5); the adjusting and connecting assembly (4) comprises a limiting sleeve disc (4 a), a square rod (4 c), a spring (4 e) and a sleeve (4 f), the sleeve (4 f) is fixed inside a bearing inner ring of the bearing seat (5), the spring (4 e) is arranged inside the sleeve (4 f) in a sliding mode, a stop block (4 d) is fixed at one end of the square rod (4 c), the stop block (4 d) is arranged inside the sleeve (4 f) in a sliding mode, the stop block (4 d) abuts against the spring (4 e), an external thread sleeve rod (4 b) is fixed at the end of the limiting sleeve disc (4 a), the external thread sleeve rod (4 b) is in threaded connection with the sleeve (4 f), the square rod (4 c) is arranged inside square holes of the limiting sleeve disc (4 a) and the external thread sleeve rod (4 b) in a sliding mode, a screw rod is fixed at the other end of the square rod (4 c), and the screw rod is in threaded connection with the internal screw hole (3 f); a locking loop bar (2 a) is fixed on the other side of the connecting disc (2), a set screw is arranged on the locking loop bar (2 a), the end part of the roller core (1 a) is arranged in the locking loop bar (2 a) in a sliding mode, the end part of the set screw is abutted against the roller core (1 a), and cylindrical blocks are fixed on the end parts of the first connecting convex bar (2 b) and the second connecting convex bar (2 c); a pushing handle protrusion (3 b) is fixed above the rotary disc (3 a), an inner threaded hole (3 f) is formed in the middle of the other side of the fixed disc (3 e), a plurality of wedge-shaped protrusions are arranged on the side face, abutted against the connecting disc (2), of the rotary disc (3 a), correspond to the first variable-diameter hole (3 c) and the second variable-diameter hole (3 d), and small holes of the first variable-diameter hole (3 c) and the second variable-diameter hole (3 d) are located at the positions where the wedge-shaped protrusions are higher; the diameter of the cylindrical block is the same as the aperture of the placing hole (3 g), the diameter of the cylindrical block is the same as the large-hole inner hole of the first reducing hole (3 c) and the large-hole inner hole of the second reducing hole (3 d), the diameter of the first connecting convex rod (2 b) is the same as the small-hole inner diameter of the first reducing hole (3 c), and the diameter of the second connecting convex rod (2 c) is the same as the small-hole inner diameter of the second reducing hole (3 d).

2. The fast-assembling spinning rubber roll capable of rapidly replacing the outer rubber layer as claimed in claim 1, wherein a plurality of circumferentially and uniformly distributed sliding keys (1 b) are fixed on the roll core (1 a), a limiting block (1 g) is fixed at one end of each sliding key (1 b), a plurality of circumferentially and uniformly distributed key grooves (1 e) are formed in the rubber layer steel roll (1 c), the sliding keys (1 b) are arranged in the corresponding key grooves (1 e) in a sliding manner, counter bores are formed in the two ends of the rubber layer steel roll (1 c), a locking block (1 f) is sleeved at one end, opposite to the limiting block (1 g), of the roll core (1 a), the locking block (1 f) and the limiting block (1 g) are respectively located in the counter bores, the locking block (1 f) is fixed at the other end of the sliding key (1 b) through a bolt, and the outer rubber layer (1 d) is wrapped on the rubber layer steel roll (1 c).

3. The quick-assembly spinning rubber roll with the outer rubber layer replaced quickly as claimed in claim 1, wherein the outer diameter of the stop block (4 d) is the same as the inner diameter of the sleeve (4 f), and the outer dimension of the square rod (4 c) is the same as the square holes of the limiting sleeve disc (4 a) and the external thread sleeve rod (4 b).