CN218798183U

CN218798183U - Roller dismounting platform

Info

Publication number: CN218798183U
Application number: CN202320007097.3U
Authority: CN
Inventors: 王奕; 刘瑞婷; 刘金金
Original assignee: Shanghai Xidai Machinery Manufacturing Co ltd
Current assignee: Shanghai Xidai Machinery Manufacturing Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-04-07
Anticipated expiration: 2033-01-03

Abstract

The utility model provides a roll dismouting platform belongs to roll technical field, and mainly used dismantles and installs the roll. The roll dismouting platform includes: a base; a table disposed above the base; the hydraulic cylinder is arranged between the base and the workbench in a lifting manner; two support tables which are arranged on the workbench in a displaceable manner and are used for supporting the roller; and the roller centering driving assembly is arranged between the workbench and the two supporting tables. The utility model discloses a two brace tables of roll centering drive assembly drive laminating are in the shaft both sides of roll, recycle roll centering locating component, laminate two locating plates on the memorial archway of roll both sides for the centering position of roll is positioned, thereby when installing, utilizes two brace tables of adjusting the position and spacing with two locating plates, makes the roll of reinstallating be located position placed in the middle, avoids follow-up a plurality of rolls to carry out centering work.

Description

Roller dismounting platform

Technical Field

The utility model relates to a roll technical field, concretely relates to roll dismouting platform.

Background

Rolls are the primary working components and tools on a rolling mill that produce continuous plastic deformation of metal. The roller mainly comprises a roller body, a roller neck and a shaft head. The roll body is the middle part of the roll that actually participates in rolling the metal. It has a smooth cylindrical or grooved surface. The roll neck is mounted in bearings and transmits the rolling force to the stand through a bearing block and a screw down device. The driving end shaft head is connected with the gear seat through a connecting shaft, and the rotating torque of the motor is transmitted to the roller. The rolls may be arranged in the roll stand in two, three, four or more roll formats.

After the roller is rolled for a certain tonnage, the roller needs to be turned or reground again due to too large abrasion, even scrapped, the roller needs to be replaced at the moment, the roller is often not centered after the roller is disassembled and reinstalled by using the disassembling and assembling platform, and the roller arranged in a multi-roller mode needs to be centered manually by using a crowbar, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can fix a position when the roll is dismantled to carry out the roll dismouting platform of centering when the roll installation.

The technical scheme of the utility model is realized like this:

a roll disassembly platform comprising:

a base;

a table disposed above the base;

the hydraulic cylinder is arranged between the base and the workbench in a lifting manner;

two support tables which are arranged on the workbench in a displaceable manner and are used for supporting the roller;

the roller centering driving assembly is arranged between the workbench and the two supporting tables and is used for driving the two supporting tables to move relatively;

the roller centering and positioning assemblies are arranged on two sides of the workbench and are used for positioning when the roller is centered;

wherein, roll centering drive assembly is including setting up at the threaded rod of workstation bottom, being used for driving threaded rod pivoted gear train and being used for driving gear train pivoted runner, the screw thread opposite direction of threaded rod surface both sides, just threaded rod and two brace table screw-thread fit.

Further, the supporting table comprises a model table, a model supporting plate which is fixed on one side of the model table and is of a back-off type, and a driving block which is fixed at the bottom of the model table, a first type groove is formed in the model supporting plate, and the driving block is in threaded connection with the threaded rod.

Further, the roller centering and positioning assembly comprises positioning rods penetrating through the two sides of the workbench, a plurality of positioning holes are formed in the surfaces of the positioning rods, positioning plates are fixed at the outer ends of the two positioning rods, inserting rods penetrating through the workbench and inserted into the positioning holes are arranged on the workbench, and a handle is fixed at the upper end of each inserting rod.

Further, the gear set comprises a first bevel gear fixed on the surface of the threaded rod, a second bevel gear meshed with the first bevel gear and a rotating shaft fixed with the second bevel gear, and one end of the rotating shaft, far away from the second bevel gear, is fixed with the rotating wheel.

Furthermore, the supporting table further comprises a fixing plate fixed on one side of the type supporting plate, two sliding rods are fixed between the fixing plate and the protruding portions of the type supporting plate, a bearing plate with a second type groove formed in the top is arranged on the outer side of the type supporting plate, sliding blocks sleeved on the surfaces of the sliding rods are fixed on two sides of the bearing plate, and springs sleeved on the outer portions of the sliding rods are fixed between the sliding blocks and the protruding portions of the type supporting plate.

Furthermore, rubber pads are arranged on the mould platform, the L-shaped supporting plate and the bearing plate.

The utility model discloses following beneficial effect has:

1. in the roller dismounting process, the two supporting tables are driven to be attached to the two sides of the roller body of the roller through the roller centering driving assembly, the roller centering positioning assembly is recycled, the two positioning plates are attached to the memorial archs on the two sides of the roller, the centering position of the roller is positioned, and therefore when the roller centering positioning assembly is installed, the two supporting tables with adjusted positions and the two positioning plates are limited, the roller which is installed again is located in the middle position, and the centering work of a plurality of follow-up rollers is avoided.

2. Utilize the cooperation between bearing board and the spring, cushion the roll of dismantling, utilize bearing board gliding distance in the backup pad adjustable simultaneously, can satisfy not unidimensional roll and use, the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a support table in the present invention;

FIG. 3 is a schematic structural view of a roller centering driving assembly according to the present invention;

fig. 4 is a schematic structural view of the middle roller centering and positioning assembly of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the roll dismounting platform provided by the present invention comprises a base 1, a workbench 2, a hydraulic cylinder 3, a supporting table 4, a roll centering driving assembly 5 and a roll centering positioning assembly 6;

wherein, the bottom of base 1 is provided with the removal wheel for whole device walks. Still be provided with the handrail on the base 1 for the wheel is removed in the cooperation, conveniently promotes whole device and walks.

The workbench 2 is arranged above the base 1;

the quantity of pneumatic cylinder 3 is four, and four pneumatic cylinders 3 are fixed at four edges between base 1 and workstation 2, and pneumatic cylinder 3 adjusts the height of workstation 2 through going up and down.

Two support tables 4, which are arranged on the workbench 2 in a displaceable manner and are used for supporting the roller;

specifically, the support table 4 includes a V-shaped table 41, an L-shaped support plate 42 fixed on one side of the V-shaped table 41 and in a reverse-buckled state, and a driving block 43 fixed at the bottom of the V-shaped table 41, a through groove for displacement of the driving block 43 is formed in the table 2, and a first U-shaped groove 44 is formed in the L-shaped support plate 42. The V-shaped table 41 is used for supporting the roll body of the roll, the first U-shaped groove 44 on the L-shaped support plate 42 is used for supporting the roll neck of the roll, and the driving block 43 is used for cooperating with the roll centering driving assembly 5, so that the two support tables 4 can move relatively.

In addition, two sliding plates distributed in the front-back direction are fixed at the bottom of the V-shaped table 41, and a sliding groove for sliding the sliding plates is formed at the top of the workbench 2. So set up, can utilize the slide to slide in the spout for whole brace table 4 carries out the steady movement.

The roller centering driving assembly 5 is arranged between the workbench 2 and the two supporting tables 4 and is used for driving the two supporting tables 4 to move relatively;

the roller centering driving assembly 5 comprises a threaded rod 51 arranged at the bottom of the workbench 2, a gear set 52 for driving the threaded rod 51 to rotate and a rotating wheel 53 for driving the gear set 52 to rotate, wherein two first connecting plates are fixed at the bottom of the workbench 2, two ends of the threaded rod 51 are connected with the two first connecting plates through bearings, the thread directions of two sides of the surface of the threaded rod 51 are opposite, the threaded rod 51 is in threaded fit with the two supporting tables 4, and the driving block 43 is in threaded connection with the threaded rod 51.

Further, the gear set 52 includes a first bevel gear 52a fixed on the surface of the threaded rod 51, a second bevel gear 52b engaged with the first bevel gear 52a, and a rotating shaft 52c fixed with the second bevel gear 52b, two second connecting plates vertically distributed with the first connecting plates are fixed on the bottom of the working platform 2, the rotating shaft 52c is connected with the two second connecting plates through bearings, and one end of the rotating shaft 52c far from the second bevel gear 52b is fixed with the rotating wheel 53.

With this arrangement, the second bevel gear 52b is driven to rotate by the rotation of the rotating wheel 53, and the first bevel gear 52a is driven to rotate by the rotation of the second bevel gear 52b, so that the threaded rod 51 rotates, and the two driving blocks 43 are moved away from or close to each other by the threaded fit between the threaded rod 51 and the two driving blocks 43, thereby adjusting the relative movement of the two supporting tables 4.

The roller centering and positioning assemblies 6 are arranged on two sides of the workbench 2 and are used for positioning when the roller is centered; specifically, the roll centering and positioning assembly 6 includes positioning rods 61 penetrating through the inside of both sides of the workbench 2, a plurality of positioning holes 62 are formed on the surface of the positioning rods 61, positioning plates 63 are fixed to the outer ends of the two positioning rods 61, an insertion rod 64 penetrating through the inside of the workbench 2 and inserted into the positioning holes 62 is arranged on the workbench 2, and a handle 65 is fixed to the upper end of the insertion rod 64.

So set up, can utilize inserted bar 64 and peg graft with the locating hole 62 of different positions, thereby the length of adjustment locating lever 61, and fix a position when utilizing the memorial archway laminating of locating plate 63 and roll both sides, consequently can utilize two brace table 4 laminating in the roll body both sides of roll, recycle roll centering locating component 5, laminate two locating plates 63 on the memorial archway of roll both sides, make the centering position of roll be fixed a position, thereby when installing, utilize two brace tables 4 of adjusting the position and spacing with two locating plates 63, make the roll of reinstallating be located the centering position, avoid follow-up a plurality of rolls to carry out centering work.

Further, the supporting platform 4 further comprises a fixing plate 410 fixed on one side of the L-shaped supporting plate 42, two sliding rods 45 are fixed between the fixing plate 410 and the protruding portion of the L-shaped supporting plate 42, a supporting plate 47 with a second U-shaped groove 46 at the top is arranged on the outer side of the L-shaped supporting plate 42, sliding blocks 48 sleeved on the surfaces of the sliding rods 45 are fixed on both sides of the supporting plate 47, and springs 49 sleeved on the outer portions of the sliding rods 45 are fixed between the sliding blocks 48 and the protruding portion of the L-shaped supporting plate 42.

So set up, bearing board 47 can play and support the roll neck of roll, utilizes the elasticity of spring 49 simultaneously, when dismantling the roll, plays fine cushioning effect to the roll. Meanwhile, the bearing plate 47 slides on the slide rod 45, so that the distance between the bearing plate 47 and the V-shaped table 41 is adjustable, the rollers with different sizes can be assembled and disassembled, and the assembly and disassembly are more convenient.

In addition, rubber pads are arranged on the V-shaped table 41, the L-shaped supporting plate 42 and the bearing plate 47, so that the rollers can be prevented from directly impacting the V-shaped table 41, the supporting plate and the bearing plate 47 by the aid of the rubber pads, and the service life of the whole device is prolonged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roll disassembly and assembly platform, comprising:

a base (1);

a table (2) disposed above the base (1);

the hydraulic cylinder (3) is arranged between the base (1) and the workbench (2) in a lifting manner;

two support tables (4) which are arranged on the workbench (2) in a displaceable manner and are used for supporting the roller;

the roller centering driving assembly (5) is arranged between the workbench (2) and the two supporting tables (4) and is used for driving the two supporting tables (4) to move relatively;

the roller centering and positioning assemblies (6) are arranged on two sides of the workbench (2) and are used for positioning when the roller is centered;

the roller centering driving assembly (5) comprises a threaded rod (51) arranged at the bottom of the workbench (2), a gear set (52) used for driving the threaded rod (51) to rotate and a rotating wheel (53) used for driving the gear set (52) to rotate, the directions of threads on two sides of the surface of the threaded rod (51) are opposite, and the threaded rod (51) is in threaded fit with the two supporting tables (4).

2. The roll dismounting platform according to claim 1, wherein the support platform (4) comprises a V-shaped platform (41), an L-shaped support plate (42) which is fixed on one side of the V-shaped platform (41) and is in a back-off type, and a driving block (43) which is fixed at the bottom of the V-shaped platform (41), a first U-shaped groove (44) is formed in the L-shaped support plate (42), and the driving block (43) is in threaded connection with the threaded rod (51).

3. The roll dismounting and mounting platform according to claim 1, wherein the roll centering and positioning assembly (6) comprises positioning rods (61) penetrating through the inner portions of two sides of the workbench (2), a plurality of positioning holes (62) are formed in the surface of each positioning rod (61), positioning plates (63) are fixed at the outer ends of the two positioning rods (61), an insertion rod (64) penetrating through the inner portion of the workbench (2) and inserted into the positioning holes (62) is arranged on the workbench (2), and a handle (65) is fixed at the upper end of the insertion rod (64).

4. A roll mounting/dismounting platform according to claim 1, wherein said gear set (52) comprises a first bevel gear (52 a) fixed on the surface of the threaded rod (51), a second bevel gear (52 b) engaged with the first bevel gear (52 a), and a rotating shaft (52 c) fixed to the second bevel gear (52 b), and the end of the rotating shaft (52 c) far from the second bevel gear (52 b) is fixed to the rotating wheel (53).

5. The roll dismounting platform according to claim 2, wherein the support platform (4) further comprises a fixing plate (410) fixed on one side of the L-shaped support plate (42), two sliding rods (45) are fixed between the fixing plate (410) and the protruding portion of the L-shaped support plate (42), a bearing plate (47) with a second U-shaped groove (46) formed in the top is arranged on the outer side of the L-shaped support plate (42), sliding blocks (48) sleeved on the surfaces of the sliding rods (45) are fixed on two sides of the bearing plate (47), and springs (49) sleeved outside the sliding rods (45) are fixed between the sliding blocks (48) and the protruding portion of the L-shaped support plate (42).

6. A roll dismounting platform according to claim 5, characterized in that rubber pads are arranged on said V-shaped table (41), L-shaped support plate (42) and support plate (47).