CN210312795U

CN210312795U - Rolling machine bearing roller dynamometry rack

Info

Publication number: CN210312795U
Application number: CN201920835979.2U
Authority: CN
Inventors: 卓为举; 李学江; 余春
Original assignee: Hefei League Science And Technology Co ltd
Current assignee: Hefei League Science And Technology Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-14
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a rolling machine bearing roller dynamometry rack, including blooming mill, dynamometry rack and the recoiling mill of arranging the setting in proper order. The device solves the problem of asynchronism in the production of steel strip rolling by using a tension measuring method, the steel strip is dragged to run while the secondary rolling mill and the primary rolling mill roll, the steel strip transfers acting force to a force transducer under the action of a roller, a main shaft and a roller support along with the running of the steel strip, the measurement of the acting force of the steel strip is realized, the measured tension is compared with a set target tension value, and an analog quantity signal is output through PID (proportion integration differentiation) operation and used for controlling the running speed change of the primary rolling mill so as to ensure that the primary rolling and the secondary rolling keep synchronous running, thereby improving the production efficiency, reducing the labor intensity of operators and improving the quality stability of products.

Description

Rolling machine bearing roller dynamometry rack

Technical Field

The utility model relates to a rolling machine technical field especially relates to a rolling machine bearing roller dynamometry rack.

Background

The rolling machine is the receipts material part of coil stock processing lines, and it is the coil stock to roll up raw and other materials through mechanical system, and extensive application is in the scroll, the yardage roll, the plastic material is rolled up, and metal coil material processing lines is based on actual technological requirement design diversification, and the common has simple and easy rolling machine, hydraulic pressure rolling machine, and the rolling machine generally has a book internal diameter to the material, rolls up the external diameter, rolls up material thickness, and the width all has strict requirements.

In the material receiving process of the winding machine, the winding diameter can be continuously increased, the tension of a steel belt is changed along with the winding diameter, normal winding is affected, in order to avoid the effect, the tension change of the steel belt needs to be measured firstly, then the tension change is adjusted through technical means, and therefore the roller force measuring rack of the winding machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and a rolling machine bearing roller dynamometry rack that proposes, the utility model provides a measure the tensile rack of steel band, convenient quick dynamometry.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a force measuring rack for a carrier roller of a winding machine comprises a guide roller, a rack and the winding machine which are sequentially arranged, wherein a force measuring device and the carrier roller are respectively arranged above the rack;

the force measuring device comprises a main shaft, a roller is rotatably sleeved on the main shaft, two ends of the main shaft are erected on a roller support through elastic structures, the bottom of the roller support is connected with a force measuring sensor, and the force measuring sensor is installed at the top of the rack.

Preferably, the rack comprises front and rear side frames, left and right side frames, a top plate and a bottom plate, the front and rear side frames and the left and right side frames are symmetrically arranged and connected in pairs, and the top plate and the bottom plate are respectively connected to the tops and bottoms of the front and rear side frames and the left and right side frames.

Preferably, the carrier roller comprises an upper bearing seat, a roller shaft and a lower bearing seat, needle roller bearings are sleeved at the end parts of the roller shaft and are positioned on the upper bearing seat and the lower bearing seat, and the upper bearing seat and the lower bearing seat are connected through bolts.

Preferably, the two ends of the main shaft are respectively sleeved with the deep groove ball bearing and the elastic retainer ring for the shaft, and the outer ring of the deep groove ball bearing is embedded into the inner ring of the roller.

Preferably, the elastic structure comprises a belleville spring, an upper spring pad and a lower spring pad, the upper spring pad and the lower spring pad are respectively positioned at the upper end and the lower end of the belleville spring, and the lower spring pad is installed on the roller support.

Preferably, an overload safety frame is arranged below the end part of the roller, and the overload safety frame is arranged at the top of the frame.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, rolling machine winding steel band, along with winding going on, the rolling diameter constantly increases, the radian relative increase of encircleing on the steel band, and the steel band pushes down on the roller, and the roller transmits the effort for the main shaft, and the roller support is transmitted with the effort through last spring pad, disc spring and lower spring pad in the both ends of main shaft, and the roller support transmits the effort for force cell sensor at last, realizes the measurement to steel band effort.

Drawings

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

FIG. 2 is a schematic view of a force-measuring gantry;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a schematic view of the front and rear side frames;

FIG. 5 is a schematic view of the left and right side frames;

FIG. 6 is a schematic structural view of the top plate;

FIG. 7 is a schematic structural view of a base plate;

FIG. 8 is a schematic structural view of a idler;

FIG. 9 is a schematic structural view of an upper bearing seat and a lower bearing seat;

FIG. 10 is a schematic view of a connection structure of a spindle and a roller;

FIG. 11 is a schematic view of the spindle;

FIG. 12 is a schematic structural view of a roller;

FIG. 13 is a schematic view of the mounting structure of the belleville spring and the roller support;

FIG. 14 is a schematic view of the roller support and load cell configuration.

In the figure: the device comprises a guide roller 1, a force measuring device 2, a force measuring sensor 201, a main shaft 202, a roller support 203, a deep groove ball bearing 204, a roller 205, a shaft elastic retainer ring 206, a belleville spring 207, an upper spring pad 208, a lower spring pad 209, a carrier roller 3, an upper bearing seat 301, a roller shaft 302, a lower bearing seat 303, a winding machine 4, a frame 5, front and rear side frames 501, left and right side frames 502, a top plate 503, a bottom plate 504 and an overload safety frame 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-14, a winder roller force measuring rack comprises a guide roller 1, a rack 5 and a winder 4 which are sequentially arranged, wherein a force measuring device 2 and a roller 3 are respectively arranged above the rack 5;

the force measuring device 2 comprises a main shaft 202, a roller 205 is rotatably sleeved on the main shaft 202, two ends of the main shaft 202 are erected on a roller support 203 through elastic structures, the bottom of the roller support 203 is connected with a force measuring sensor 201, and the force measuring sensor 201 is installed at the top of the rack 5.

The frame 5 comprises a front side frame 501, a rear side frame 501, a left side frame 502, a right side frame 502, a top plate 503 and a bottom plate 504, the front side frame 501 and the rear side frame 502 are symmetrically connected with each other in pairs, and the top plate 503 and the bottom plate 504 are respectively connected with the tops and the bottoms of the front side frame 501 and the rear side frame 501 and the left side frame 502, so that the connection strength of the frame 5 is ensured, and.

The carrier roller 3 comprises an upper bearing seat 301, a roller shaft 302 and a lower bearing seat 303, wherein needle roller bearings are sleeved at the end parts of the roller shaft 302 and are positioned on the upper bearing seat 301 and the lower bearing seat 303, and the upper bearing seat 301 and the lower bearing seat 303 are connected through bolts and are used for supporting a steel belt and providing a reaction force to tighten the steel belt.

The two ends of the main shaft 202 are respectively sleeved with a deep groove ball bearing 204 and an elastic retainer ring 206 for the shaft, and the outer ring of the deep groove ball bearing 204 is embedded into the inner ring of the roller 205 to play a role in connecting and supporting the main shaft 202 and the roller 205 and reduce friction between the main shaft 202 and the roller 205.

Because the cold rolling of the steel strip is easily influenced by material, rolling input, steel strip width, steel strip thickness, operation errors, environmental changes and the like, the extension amount of the steel strip after primary rolling and secondary rolling cannot be measured and calculated, and the synchronous operation of the two rolling mills cannot be realized. The measured tension is compared with a set target tension value, and an analog quantity signal is output through PID operation and is used for controlling the running speed change of the blooming mill, so that the blooming mill and the secondary rolling mill keep synchronous running, the production efficiency is improved, the labor intensity of operators is reduced, and the quality stability of products is also improved.

The elastic structure comprises a belleville spring 207, an upper spring pad 208 and a lower spring pad 209, the upper spring pad 208 and the lower spring pad 209 are respectively positioned at the upper end and the lower end of the belleville spring 207, and the lower spring pad 209 is installed on the roller support 203 to provide a buffering effect and avoid rigid connection and structural damage.

An overload safety frame 6 is arranged below the end part of the roller 205, the overload safety frame 6 is arranged at the top of the frame 5, when the roller 205 is stressed too much, the roller 205 moves downwards to be in contact with the overload safety frame 6, and collision of the main shaft 202 and deformation and damage of the belleville spring 207 under pressure are avoided.

In the scheme, the steel belt is wound by the winding machine 4, the winding diameter is continuously increased along with the winding, the radian of the steel belt in an upward arch mode is relatively increased, the steel belt is pressed downwards on the roller 205, the roller 205 transmits acting force to the spindle 202, the acting force is transmitted to the roller support 203 through the upper spring pad 208, the belleville spring 207 and the lower spring pad 209 at the two ends of the spindle 202, and finally the roller support 203 transmits the acting force to the force transducer 201, so that the measuring of the acting force of the steel belt is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A force measuring rack for a carrier roller of a winding machine comprises a guide roller (1), a rack (5) and a winding machine (4) which are sequentially arranged, and is characterized in that a force measuring device (2) and a carrier roller (3) are respectively arranged above the rack (5);

the force measuring device (2) comprises a main shaft (202), a roller (205) is rotatably sleeved on the main shaft (202), two ends of the main shaft (202) are erected on a roller support (203) through elastic structures, a force measuring sensor (201) is connected to the bottom of the roller support (203), and the force measuring sensor (201) is installed at the top of the rack (5).

2. The winder roller force-measuring bench according to claim 1, characterized in that the rack (5) comprises front and rear side frames (501), left and right side frames (502), a top plate (503) and a bottom plate (504), the front and rear side frames (501) and the left and right side frames (502) are symmetrically arranged and connected in pairs, and the top plate (503) and the bottom plate (504) are respectively connected to the tops and bottoms of the front and rear side frames (501) and the left and right side frames (502).

3. The winder roller force-measuring platform according to claim 1, characterized in that the idler (3) comprises an upper bearing seat (301), a roller shaft (302) and a lower bearing seat (303), the end of the roller shaft (302) is sleeved with a needle bearing, the needle bearings are positioned on the upper bearing seat (301) and the lower bearing seat (303), and the upper bearing seat (301) and the lower bearing seat (303) are connected through bolts.

4. The carrier roller force-measuring bench of the winding machine as claimed in claim 1, wherein both ends of the main shaft (202) are respectively sleeved with a deep groove ball bearing (204) and an elastic collar (206) for the shaft, and the outer ring of the deep groove ball bearing (204) is embedded into the inner ring of the roller (205).

5. The winder roller force-measuring platform according to claim 1, wherein the elastic structure comprises a belleville spring (207), an upper spring pad (208) and a lower spring pad (209), the upper spring pad (208) and the lower spring pad (209) are respectively located at the upper end and the lower end of the belleville spring (207), and the lower spring pad (209) is mounted on the roller support (203).

6. A rewinder idler force-measuring bench as claimed in claim 1 or 4, characterized in that under the end of the roller (205) there is an overload safety shelf (6), the overload safety shelf (6) being mounted on top of the frame (5).