CN217912183U

CN217912183U - Multi-degree-of-freedom pinch roll with adjustable clamping force of rolled steel bars

Info

Publication number: CN217912183U
Application number: CN202123425704.8U
Authority: CN
Inventors: 黄锦红; 郭锋
Original assignee: Fuzhou Indetect Intelligent Technology Co ltd
Current assignee: Fuzhou Indetect Intelligent Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-11-29
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a steel rolling technical field steel rolling rod clamping-force adjustable multi freedom's pinch roll, including change and two sets of perpendicular sliders at the synchronous reverse slip of change lateral wall, the tight telescopic cylinder of clamp is installed to the change lateral wall, and the tight telescopic cylinder output of clamp is connected with the sideslip, and the sideslip is connected with the connecting rod of one-to-one with two sets of perpendicular sliders between, and two sets of connecting rod symmetry sets up, and swivelling joint has the carousel on erecting the slider, installs the pinch roll who uses its axis as central ring array on the carousel, the utility model discloses install the pinch roll that multiple model was used on the carousel, only need rotate the carousel when changing the rod model with the pinch roll that corresponds aim at the rod can, need not to dismantle the installation and rectify.

Description

Multi-degree-of-freedom pinch roll with adjustable clamping force of steel rolling bars

Technical Field

The utility model relates to a steel rolling technical field specifically is a steel rolling rod clamping-force adjustable multi freedom's pinch roll.

Background

The wire clamping device of the high-speed wire finishing mill of the prior steel mill generally comprises pinch rolls arranged adjacent to rolls, and the traditional pinch roll device has single function and small clamping force, so that the traditional pinch roll device can only play a role of clamping and conveying a strip when in work; the speed of the rolling piece is reduced to a certain set speed value, so that the free sliding distance of the rolling piece is greatly reduced;

if the pinch roll clamps the bar too tightly, the upper side and the lower side of a rolled piece are deformed, indentation usually occurs, and the surface quality of a bar product is influenced; if the pinch roll clamps the bar too loosely, the speed of the bar rolled piece exiting the pinch roll is too high, and the purpose of braking cannot be achieved; and the types of the bars are various, a special pinch roll is usually provided for one type of the bars in order to improve the clamping effect, the installation precision of the pinch roll is high, and the time for dismounting and installing the pinch roll is long.

Based on this, the utility model designs a steel rolling rod clamping-force adjustable multi freedom's pinch roll to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pinch roll of steel rolling rod clamping-force adjustable multi freedom to correspond the longer problem of pinch roll dismantlement installation used time when the rod model that provides is changed in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-degree-of-freedom pinch roll with adjustable clamping force of steel rolling bars comprises a rotary ring and two groups of vertical slide blocks which synchronously and reversely slide on the side wall of the rotary ring, wherein a clamping telescopic cylinder is installed on the side wall of the rotary ring, the output end of the clamping telescopic cylinder is connected with a transverse slide block, one-to-one corresponding connecting rods are connected between the transverse slide block and the two groups of vertical slide blocks, the two groups of connecting rods are symmetrically arranged, a rotary disc is rotatably connected onto the vertical slide blocks, and pinch rolls in an annular array taking the axis of the rotary disc as the center are installed on the rotary disc;

the limiting groove of annular array is seted up with its axis as the center to the carousel lateral wall, install the spacing telescopic cylinder with carousel one-to-one on the swivel, the stopper with spacing groove looks adaptation is installed to spacing telescopic cylinder output.

Preferably, the swivel is rotatably connected to the bracket, and a rotary power device for driving the swivel to rotate is arranged on the swivel.

Preferably, the side wall of the rotating ring is provided with coaxial ring guide grooves, the bracket is rotatably connected with at least two groups of guide wheels, and the guide wheels are in rolling fit in the ring guide grooves.

Preferably, two opposite sides of the rotating ring are provided with ring guide grooves, one group of the ring guide grooves corresponds to two groups of the guide wheels, and the rotary power device is in transmission fit with the rotating ring through a worm and gear structure.

Preferably, the cross section of the ring guide groove is in a T-shaped structure.

Preferably, the pinch rollers of the annular arrays are all of different configurations.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses install the pinch roll that multiple model was used on the carousel, only need rotate the pinch roll that the carousel will correspond when changing the rod model aim at the rod can, need not to dismantle the installation and rectify.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the rotary table and its mating parts removed in FIG. 1;

FIG. 3 is an enlarged view ofbase:Sub>A portion A-A of FIG. 2;

fig. 4 is a schematic view of the structure of the guide wheel on the bracket of the present invention;

fig. 5 is a schematic structural view of the turntable and its mating components of the present invention.

1. Rotating the ring; 11. a ring guide groove; 12. a horizontal chute; 13. a vertical chute; 2. a support; 21. a guide wheel; 3. A rotary power device; 4. clamping a telescopic cylinder; 41. a lateral slide seat; 5. a limiting telescopic cylinder; 51. a limiting block; 6. a connecting rod; 61. a vertical slide block; 7. a turntable; 71. a limiting groove; 8. and (4) pinch rolls.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A multi-degree-of-freedom pinch roll with adjustable clamping force of steel rolling bars comprises a rotary ring 1 and two groups of vertical slide blocks 61 which synchronously and reversely slide on the side wall of the rotary ring 1, wherein a clamping telescopic cylinder 4 is installed on the side wall of the rotary ring 1, the output end of the clamping telescopic cylinder 4 is connected with a transverse slide seat 41, one-to-one corresponding connecting rods 6 are connected between the transverse slide seat 41 and the two groups of vertical slide blocks 61, the two groups of connecting rods 6 are symmetrically arranged, a rotary disc 7 is rotatably connected onto the vertical slide blocks 61, and pinch rolls 8 which are annularly arrayed by taking the axis of the rotary disc 7 as the center are installed on the rotary disc 7;

the side wall of the rotary table 7 is provided with a limit groove 71 in an annular array by taking the axis as the center, the rotary table 1 is provided with limit telescopic cylinders 5 which are in one-to-one correspondence with the rotary table 7, and the output ends of the limit telescopic cylinders 5 are provided with limit blocks 51 which are matched with the limit groove 71.

Further, the swivel 1 is rotatably connected to the bracket 2, and a rotary power device 3 for driving the swivel 1 to rotate is provided.

Furthermore, the side wall of the rotating ring 1 is provided with a coaxial ring guide groove 11, at least two groups of guide wheels 21 are rotatably connected on the bracket 2, and the guide wheels 21 are matched in the ring guide groove 11 in a rolling manner.

Furthermore, the opposite two sides of the rotating ring 1 are provided with ring guide grooves 11, one group of ring guide grooves 11 correspond to two groups of guide wheels 21, and the rotating power device 3 is in transmission fit with the rotating ring 1 through a worm and gear structure.

Further, the cross section of the ring guide groove 11 is in a T-shaped structure.

Further, the pinch rolls 8 of the annular array are all different in structure.

The utility model discloses an embodiment:

four groups of guide wheels 21 are rotatably connected on the support 2, the two groups of guide wheels 21 are relatively positioned in the ring guide groove 11 at the front side of the rotating ring 1, the other two groups of guide wheels 21 are relatively positioned in the ring guide groove 11 at the rear side of the rotating ring 1, a hole is formed in the center of the rotating ring 1 for a bar to pass through, the rotating power device 3 adopts a speed reduction motor to drive a worm to rotate, and the outer wall of the rotating ring 1 is of a worm gear structure, so that the rotating power device 3 drives the rotating ring 1 to rotate through the worm gear structure;

the section of the ring guide groove 11 is T-shaped, and the section of the guide wheel 21 is T-shaped, so that the guide wheel 21 can be prevented from being separated from the ring guide groove 11.

It should be noted that a certain space is left between the parts such as the turntable 7 and the clamping telescopic cylinder 4 and the side wall of the rotating ring 1, and the parts do not interfere with the bracket 2 in the rotating process of the rotating ring 1.

The clamping telescopic cylinder 4 is installed on the side wall of the rotating ring 1 through a corresponding installation seat, a transverse sliding groove 12 is formed in the side wall of the rotating ring 1, the transverse sliding seat 41 is driven by the telescopic clamping telescopic cylinder 4 to linearly slide in the transverse sliding groove 12, two groups of vertical sliding grooves 13 are formed in the side wall of the rotating ring 1, the two groups of vertical sliding grooves 13 are symmetrically arranged along the axis of the rotating ring 1, the two groups of vertical sliding grooves 13 are symmetrically arranged along the transverse sliding groove 12, the vertical sliding blocks 61 linearly move in the vertical sliding grooves 13 which are in one-to-one correspondence, and the moving direction of the vertical sliding blocks 61 is perpendicular to the moving direction of the transverse sliding seat 41;

two ends of the connecting rod 6 are respectively hinged with the vertical sliding blocks 61 and the transverse sliding seat 41, so that the transverse sliding seat 41 drives the two groups of vertical sliding blocks 61 to reversely and synchronously move linearly along the direction vertical to the moving direction of the transverse sliding seat 41 through the connecting rod 6 when moving, and the two groups of rotary tables 7 are synchronously close to or far away from each other;

a plurality of pinch rolls 8 with different models are annularly arrayed on the outer wall of the turntable 7, and the distances between different pinch rolls 8 and the axes of the corresponding turntables 7 can be different; one group of pinch rollers 8 of the upper rotating disc 7 and one group of pinch rollers 8 of the other lower rotating disc 7 are matched with a bar material with one type.

When the clamping telescopic cylinder 4 is shortened to the limit position, the two groups of turntables 7 are close to each other, so that the two groups of pinch rolls 8 can clamp the corresponding bars just, and the clamping force is not loose or tight.

The rotation of the swivel 1 allows the two sets of pinch rollers 8 to grip the bar from different orientations.

When the rotary table 7 needs to rotate, firstly, the limiting telescopic cylinder 5 is shortened to enable the limiting block 51 at the output end of the limiting telescopic cylinder to be separated from the limiting groove 71, and then the rotary table 7 can rotate freely; when the rotary table 7 does not need to rotate, the limiting block 51 of the output end of the limiting telescopic cylinder 5 is driven to be inserted into the corresponding limiting groove 71 in an extending mode, the number of the corresponding pinch rollers 8 on the group of rotary tables 7 is consistent with that of the limiting groove 71, when the two groups of rotary tables 7 are close to or far away from each other, the limiting block 51 moves linearly in the inserted limiting groove 71 relatively, and the movement of the rotary tables 7 cannot be influenced while the rotary tables 7 are limited to rotate.

The utility model discloses well electrical equipment passes through external control switch and is connected with external power source.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pinch roll of steel rolling rod grip strength adjustable multi freedom, includes swivel (1) and two sets of perpendicular slider (61) at the synchronous reverse slip of swivel (1) lateral wall, its characterized in that: a clamping telescopic cylinder (4) is installed on the side wall of the rotating ring (1), the output end of the clamping telescopic cylinder (4) is connected with a transverse sliding seat (41), connecting rods (6) which are in one-to-one correspondence are connected between the transverse sliding seat (41) and two groups of vertical sliding blocks (61), the two groups of connecting rods (6) are symmetrically arranged, a rotating disc (7) is rotatably connected onto the vertical sliding blocks (61), and pinch rollers (8) which are in annular array by taking the axis of the rotating disc (7) as the center are installed on the rotating disc;

carousel (7) lateral wall uses its axis to offer spacing groove (71) of annular array as the center, install spacing telescopic cylinder (5) with carousel (7) one-to-one on swivel (1), spacing telescopic cylinder (5) output is installed and is had spacing (51) of spacing groove (71) looks adaptation.

2. The multi-degree-of-freedom pinch roll with adjustable clamping force for rolled steel bars as claimed in claim 1, which is characterized in that: the rotating ring (1) is rotatably connected to the bracket (2) and is provided with a rotary power device (3) for driving the rotating ring (1) to rotate.

3. The multi-degree-of-freedom pinch roll with the adjustable clamping force for the rolled steel bars as claimed in claim 2, which is characterized in that: the side wall of the rotating ring (1) is provided with a coaxial ring guide groove (11), at least two groups of guide wheels (21) are rotatably connected to the support (2), and the guide wheels (21) are in rolling fit in the ring guide groove (11).

4. The multi-degree-of-freedom pinch roll with the adjustable clamping force for the rolled steel bars as claimed in claim 3, is characterized in that: the two opposite sides of the rotating ring (1) are provided with ring guide grooves (11), one group of ring guide grooves (11) correspond to two groups of guide wheels (21), and the rotating power device (3) is in transmission fit with the rotating ring (1) through a worm and gear structure.

5. The multi-degree-of-freedom pinch roll with the adjustable clamping force for the rolled steel bars as claimed in claim 4, wherein: the section of the ring guide groove (11) is of a T-shaped structure.

6. The multi-degree-of-freedom pinch roll with the adjustable clamping force for the rolled steel bars as claimed in claim 1, is characterized in that: the pinch rolls (8) in the annular array are all different in structure.