CN201971420U

CN201971420U - Improved structure of balancing roller

Info

Publication number: CN201971420U
Application number: CN2011200734191U
Authority: CN
Inventors: 刘海霞; 安俊臣
Original assignee: Tianjin Seri Machinery Equipment Corp Ltd
Current assignee: Tianjin Seri Machinery Equipment Corp Ltd
Priority date: 2011-03-18
Filing date: 2011-03-18
Publication date: 2011-09-14
Anticipated expiration: 2021-03-18

Abstract

The utility model relates to an improved structure of a balancing roller, which comprises a hollow roller body and shaft heads mounted at two ends of the hollow roller body. The improved structure of the balancing roller is characterized by further comprising shaft end flanges; the shaft end flanges are welded on the shaft heads; the shaft end flanges are welded at the inner sides of two end parts of the hollow roller body; and excircles of the shaft end flanges are in transitional fit with the inner wall of the hollow roller body and are positioned by stopping openings. With the adoption of the modification, all parts combined into an integral workpiece respectively reach a balanced state of rotating around a center, so as to ensure that three parts are concentric; and finally, during integral processing, the workpiece is aligned by using the excircle of the roller body as a reference and then is integrally processed. Therefore, the balancing requirement is not only met, but also the geometric tolerances and the dimensional requirements of all positions can be reached. Thus, the improved structure of the balancing roller has the advantages of simple operation, low manufacturing cost, short manufacturing period and the like.

Description

A kind of improvement structure of balance roller

Technical field

The utility model relates to and belongs to the rollgang equipment technical field, particularly a kind of improvement structure of balance roller.

Background technology

The improvement structure of balance roller is widely used in various rollgang equipment at present, and its similar mostly is welded structure, and intermediate calender rolls is as steel pipe, and a spindle nose is respectively welded at two ends, and balancing test requires to be static balance mostly.But find aborning can not guarantee final state of equilibrium, seek a kind of operability of producing of can guaranteeing for this reason, can guarantee that again optimizing structure of product design is imperative according to after the designing requirement of the drawing processing.

Summary of the invention

The utility model provides the improvement structure of the short balance roller of a kind of simple to operate, low cost of manufacture, manufacturing cycle for solving the technical matters that exists in the known technology.

The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is:

A kind of improvement structure of balance roller, comprise the hollow type body of roll, be installed in the spindle nose at hollow type body of roll two ends, it is characterized in that: the improvement structure of described balance roller also comprises boss, described boss is welded on the spindle nose, boss is welded on the inboard, both ends of the hollow type body of roll, and the cylindrical of boss and hollow type body of roll inwall adopt transition fit, and locatees by seam.

The utility model can also adopt following technical measures:

Described boss is provided with breather hole.

Advantage and the good effect that the utlity model has are: the utility model changes only processed the structure that cooperates with the body of roll on the spindle nose in the past, become the welding of spindle nose and flange, annealing, the whole processing of spindle nose and boss, guarantee that workpiece is the balanced body of rotating around line of centers, and and be transition fit with boss cylindrical and body of roll seam, produce the state of equilibrium after moderate finite deformation influences finishing cut when avoiding the welding of the spindle nose and the body of roll.Change the structure of in the past only processing seam, change body of roll both ends of the surface, cylindrical and seam into and all process, static balance test is done to the body of roll in the processing back, satisfies balancing technique and requires back and spindle nose welding.By above transformation, the various piece that is combined into one-piece machine member all reaches the state of equilibrium that rotates around the center, and again by the seam location, little electric current welds in welding process, symmetrical welding control welding deformation, guarantee that three parts are concentric, final integral adds man-hour, is benchmark centering workpiece with body of roll cylindrical again, whole processing, evenly remove stock left for machining, so promptly satisfy the balance requirement, can reach everywhere geometric tolerances and dimensional characteristic again.Therefore the utlity model has advantages such as simple to operate, low cost of manufacture, manufacturing cycle be short.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is spindle nose (a 2) structural representation;

Fig. 3 is another spindle nose (3) structural representation;

Fig. 4 is a hollow type body of roll structural representation.

Among the figure: 1, the hollow type body of roll; 2, spindle nose; 3, spindle nose; 4, boss; 4-1, breather hole; 5, seam.

The specific embodiment

For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:

See also Fig. 1 to Fig. 4, a kind of improvement structure of balance roller, comprise the hollow type body of roll 1, be installed in the spindle nose (2,3) at hollow type body of roll two ends, the improvement structure of described balance roller also comprises boss 4, and described boss 4 is welded on the spindle nose (2,3), and boss 4 is welded on the inboard, both ends of the hollow type body of roll 1, the cylindrical of boss and hollow type body of roll inwall adopt transition fit, and by seam 5 location.In order to prevent to form pressurized air in the hollow type body of roll when welding, described boss is provided with breather hole 4-1.

The method for making of said structure balance roller is:

(1), blanking: the size required according to reality with a hollow type body of roll, a pair ofly have the flange of seam, an independent blanking of a pair of spindle nose, is made as blank;

(2), branch bond pads: a pair of flange and a pair of spindle nose are divided into two groups, and boss is welded on the spindle nose;

(3), heat treatment: two groups of flanges of postwelding and spindle nose are carried out annealing in process respectively remove stress;

(4), prtreatment: with above-mentioned two groups of flanges and spindle nose processing separately respectively, the cylindrical and the both ends of the surface of the both ends of the surface of processing object spindle nose, axle cylindrical and boss, the seam end face, the processing back realizes that boss is concentric with spindle nose, and does balance rotating around line of centers;

(5), the processing hollow type body of roll: both ends of the surface, cylindrical and the seam of the processing hollow type body of roll;

(6), the hollow type body of roll is done static balance test, and reach technical requirements;

(7), assembling: two groups of flanges that will be above-mentioned machine and spindle nose are installed in the two ends of the hollow type body of roll respectively, by seam locate and with flange cylindrical transition fit;

(8), welding: welding is to compress face of weld, adopts the welding of little electric current, and on positioner symmetrical welding at the uniform velocity, control welding deformation, hammering weld seam destressing in welding process;

(9), whole fine limit work: after welding was finished, integral body added the benchmark centering of man-hour with body of roll cylindrical, progressively processes body of roll both ends of the surface and body of roll cylindrical, two end axles end surface and each step surface behind the centering and survives size to workpiece.

The utility model changes only processed the structure that cooperates with the body of roll on the spindle nose in the past, become the welding of spindle nose and flange, annealing, the whole processing of spindle nose and flange, guarantee that workpiece is the balanced body of rotating around line of centers, and and be transition fit with boss cylindrical and body of roll seam, produce the state of equilibrium after moderate finite deformation influences finishing cut when avoiding the welding of the spindle nose and the body of roll.

Change the structure of in the past processing seam, change body of roll both ends of the surface, cylindrical and seam into and all process, static balance test is done to the body of roll in the processing back, satisfies balancing technique and requires back and spindle nose welding.

By above transformation, the various piece that is combined into one-piece machine member all reaches the state of equilibrium that rotates around the center, and again by the seam location, little electric current welds in welding process, symmetrical welding control welding deformation, guarantee that three parts are concentric, final integral adds man-hour, is benchmark centering workpiece with body of roll cylindrical again, whole processing, evenly remove stock left for machining, so promptly satisfy the balance requirement, can reach everywhere geometric tolerances and dimensional characteristic again.Therefore the utlity model has advantages such as simple to operate, low cost of manufacture, manufacturing cycle be short.

Claims

1. the improvement structure of a balance roller, comprise the hollow type body of roll, be installed in the spindle nose at hollow type body of roll two ends, it is characterized in that: the improvement structure of described balance roller also comprises boss, described boss is welded on the spindle nose, boss is welded on the inboard, both ends of the hollow type body of roll, and the cylindrical of boss and hollow type body of roll inwall adopt transition fit, and locatees by seam.

2. the improvement structure of balance roller according to claim 1, it is characterized in that: described boss is provided with breather hole.