CN212597947U

CN212597947U - Buffer device for cold rolling mill in metal wire production line

Info

Publication number: CN212597947U
Application number: CN202020755577.4U
Authority: CN
Inventors: 李志强
Original assignee: Handan Insuntec Technology Co ltd
Current assignee: Handan Insuntec Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-26
Anticipated expiration: 2030-05-09

Abstract

A buffer device for a cold rolling mill in a metal wire production line belongs to the technical field of metal wire production, solves the problems that the rolling speeds of a reducing mill and a cold rolling forming machine can not be synchronized for a long time in the prior art, and cause metal wire's damage or even condemned problem, which comprises a frame, two-way hydro-cylinder and deflector roll device, two-way hydro-cylinder is fixed to be set up in the frame, the telescopic link one end and the deflector roll device of two-way hydro-cylinder are connected, the other end of telescopic link is connected with linear displacement sensor with the help of the connecting piece, the frame front end is provided with the support arm parallel with the telescopic link direction and the both sides mirror symmetry of support arm at the telescopic link, be provided with the spout on the side that the support arm is relative, the deflector roll device is including setting up the slide between the support arm and setting up the deflector roll unit between the slide, the slide sets up between the support arm.

Description

Buffer device for cold rolling mill in metal wire production line

Technical Field

The utility model belongs to the technical field of the metal wire production, specifically a buffer that cold rolling mill used in metal wire production line has been related to.

Background

The cold-rolled ribbed steel bar produced by general manufacturers can comprise various models and specifications, the production line generally adopts at least two rolling mills, namely a reducing rolling mill and a cold-rolling forming machine, the rolling speeds of the two rolling mills are extremely difficult to keep consistent for a long time in the production process, when the rolling speed of the reducing rolling mill is higher than that of the cold-rolling forming machine, the steel bar can be bent, the rolling pressure of the cold-rolling forming machine is increased due to bending deformation of the steel bar when the steel bar enters the cold-rolling forming machine, the abrasion of the cold-rolling forming machine can be increased, and the quality of the steel bar cannot be ensured; when the rolling speed of the reducing rolling mill is lower than that of the cold rolling forming machine, the cold rolling forming machine can generate tension on the steel bar, the steel bar can be stretched and even deformed and broken when the tension is large, and when the two conditions occur, if no one takes care of and finds the situation, a large amount of waste products can be caused, and the production cost is greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, a buffer that cold rolling mill used in metal wire production line has been designed, the setting is between reducing rolling mill and cold rolling forming machine, metal wire needs pass through reducing rolling mill, pass buffer, just can get into cold rolling forming machine, metal wire's delivery track is the V style of calligraphy, no matter reducing rolling mill is fast or slow for cold rolling forming machine's rolling speed, metal wire between reducing rolling mill and the cold rolling forming machine all can have the surplus, the time of extension metal wire excessive buckling or tensile breaking even, and convert metal wire's pulling force into linear transducer perception linear motion, provide the signal foundation for the automatic control of controller.

The utility model discloses a technical scheme be, designed a buffer that cold rolling mill used in metal wire production line, including frame, two-way hydro-cylinder and deflector roll device, two-way hydro-cylinder fixed the setting in the frame, the telescopic link one end of two-way hydro-cylinder be connected with deflector roll device, the other end of telescopic link is connected with linear displacement sensor with the help of the connecting piece, the frame front end be provided with the support arm parallel with the telescopic link direction and the bilateral mirror symmetry of support arm at the telescopic link, the side relative of support arm on be provided with the spout, deflector roll device including setting up the slide between the support arm and setting up the deflector roll unit between the slide, the slide just have along the degree of freedom of extension direction horizontal migration between the support arm with the help of the spout setting.

The deflector roll unit including the first deflector roll and the second deflector roll that set gradually, first deflector roll and second deflector roll set up between the slide with the help of the bearing frame, first deflector roll and second deflector roll between be provided with the clearance that supplies metal wire to pass through.

The outer periphery of first deflector roll and second deflector roll on all be provided with the semicircular groove that supplies metal wire to pass through and correspond each other.

First deflector roll setting between frame and second deflector roll, first deflector roll diameter of axle be greater than second deflector roll diameter of axle.

The guide device comprises a fixing frame and at least two guide wheels arranged on the fixing frame, the horizontal height of each guide wheel is matched with that of the rack, and a gap for metal wires to pass through is formed between the guide wheels.

The number of the supporting arms is at least two, the sliding grooves are at least two, the number of the sliding plates is at least two, and the sliding plates are symmetrically arranged on the upper side and the lower side of the guide roller unit.

The utility model has the advantages that the buffering device for the cold rolling mill in the metal wire production line is designed, the buffering device is arranged between the reducing mill and the cold rolling forming machine, the metal wire can enter the cold rolling forming machine only after passing through the buffering device, the conveying track of the metal wire is V-shaped, no matter the reducing mill has high or low rolling speed relative to the cold rolling forming machine, the metal wire between the reducing mill and the cold rolling forming machine has allowance, the time of excessive bending or stretching and even breaking of the metal wire is prolonged, the staff is reminded and alarmed in time by means of a linear displacement sensor, a large amount of waste products are prevented, the cost is saved, the front end of the frame adopts a support arm clamping guide roller device, a sliding groove is arranged at the inner side of the support arm to realize the translation of the guide roller device, the structure is simple, the operation is stable, the support arm adopts a steel plate with higher hardness, the bearing capacity is stronger, and the deflector roll unit adopts a big one little deflector roll, and the outside is little deflector roll, and the inboard is big deflector roll, and big deflector roll atress is big, and is more wear-resisting, prevents that metal wire bending angle undersize from warping, and little deflector roll atress is little, saves the cost of manufacture.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic view of the front view structure of the present invention.

In the attached drawing, the device comprises a frame 1, a frame 2, an oil cylinder 3, a support arm 4, a sliding plate 5, a first guide roller 6, a second guide roller 7 and a guide roller.

Detailed Description

As shown in fig. 1-2, the utility model relates to a buffer for cold rolling mill in metal wire production line, including frame 1, two-way hydro-cylinder 2 and deflector roll device, two-way hydro-cylinder 2 fixed set up in frame 1, two-way hydro-cylinder 2 telescopic link one end be connected with the deflector roll device, the other end of telescopic link is connected with linear displacement sensor with the help of the connecting piece, frame 1 front end be provided with support arm 3 and support arm 3 parallel with the telescopic link direction at the bilateral mirror symmetry of telescopic link, the side that supports arm 3 is relative on be provided with the spout, the deflector roll device including setting up slide 4 between support arm 3 and the deflector roll unit of setting between slide 4, slide 4 set up between support arm 3 and have along the 3 extending direction horizontal migration's of support arm degree of freedom with the help of spout.

When a metal wire production line works, a metal wire enters and passes through the guide roller device through the elongated groove-shaped through hole in the support arm 3 on one side and passes through the elongated groove-shaped through hole in the support arm 3 on the other side, the conveying track of the metal wire is V-shaped, the tension on the metal wire can be changed along with different rolling speeds of front and rear equipment of the buffer device, so that the telescopic rod of the bidirectional oil cylinder 2 is compressed, or when the tension is reduced, the telescopic rod extends out, the bending degree of the metal wire is judged by the linear displacement sensor according to the telescopic degree of the bidirectional oil cylinder 2, the tension of the metal wire is converted into linear movement which can be sensed by the linear sensor, a signal basis is provided for automatic control of the controller, the guide roller device is clamped by the support arm 3 at the front end of the rack 1, a sliding groove is formed in the inner side of, The steel plate with higher thickness has stronger bearing capacity and longer service life.

As shown in fig. 1-2, the guide roller unit includes a first guide roller 5 and a second guide roller 6 sequentially disposed, the first guide roller 5 and the second guide roller 6 are disposed between the sliding plates 4 by means of bearing seats, and a gap for passing the metal wire is disposed between the first guide roller 5 and the second guide roller 6.

The metal wire passes through between first deflector roll 5 and the second deflector roll 6, and it is ejecting with first deflector roll 5 and second deflector roll 6 with the help of the telescopic link, and metal wire is walked around first deflector roll 5, forms certain buckling and produces pressure and pushes away first deflector roll 5, and then forms the sharp motion that linear displacement sensor can perceive with the help of the telescopic link, and the tensile force of sliding between support arm 3 with the help of slide 4, simple structure, the operation is stable.

As shown in fig. 1-2, the first guide roller 5 and the second guide roller 6 are provided with semicircular grooves on their outer circumferential surfaces for the metal wire to pass through and correspond to each other.

The outer circumferential surfaces of the first guide roller 5 and the second guide roller 6 are provided with semicircular grooves for limiting the passing position of the metal wire, so that the metal wire is prevented from swinging up and down due to drawing force to influence the rolling quality of the steel bar, and the abrasion of the cold rolling forming machine is increased.

As shown in fig. 1-2, the first guide roller 5 is disposed between the frame 1 and the second guide roller 6, and the diameter of the first guide roller 5 is larger than that of the second guide roller 6.

The guide roller adopts a big guide roller and a small guide roller which are respectively a first guide roller 5 and a second guide roller 6, the shaft diameter of the first guide roller 5 is larger, the metal wire is prevented from being deformed due to undersize bending angle when being bent, the production quality is prevented from being influenced, the shaft diameter of the second guide roller 6 is smaller, and the manufacturing cost is saved.

As shown in fig. 1-2, two sides of the frame 1 are provided with guiding devices, each guiding device comprises a fixing frame and at least two guide wheels 7 arranged on the fixing frame, the horizontal height of each guide wheel 7 is matched with that of the frame 1, and a gap for a metal wire to pass through is arranged between the guide wheels 7.

The guide device can guide the running track of the metal wire rod, prevent the metal wire rod from causing larger abrasion to the reducing mill and the cold rolling forming machine because the metal wire rod does not go out of the reducing mill and enters the cold rolling forming machine in a straight line, influence the rolling quality, and cause no abrasion and damage to the reducing mill and the cold rolling forming machine when the metal wire rod is stretched and bent.

As shown in fig. 1-2, the number of the support arms 3 is at least two, the number of the sliding grooves is at least two, the number of the sliding plates 4 is at least two, and the sliding plates 4 are symmetrically arranged on the upper side and the lower side of the guide roller unit.

Support arm 3 sets up two at least, carries out the centre gripping to slide 4, and slide 4 sets up two at least, fixes the deflector roll unit, and the spout is two at least, realizes slide 4 along spout horizontal migration, and overall structure is simple, and the operation is stable, long service life.

Claims

1. The utility model provides a buffer that cold rolling mill used in metal wire production line, includes frame (1), two-way hydro-cylinder (2) and deflector roll device, two-way hydro-cylinder (2) fixed the setting in frame (1), the telescopic link one end and the deflector roll device of two-way hydro-cylinder (2) be connected, the other end of telescopic link is connected its characterized in that with the help of connecting piece and linear displacement sensor: frame (1) front end be provided with support arm (3) and support arm (3) parallel with the telescopic link direction at the bilateral mirror symmetry of telescopic link, support arm (3) relative side on be provided with the spout, deflector roll device including set up slide (4) between support arm (3) and set up the deflector roll unit between slide (4), slide (4) set up between support arm (3) with the help of the spout and have along support arm (3) extending direction horizontal migration's degree of freedom.

2. The buffer device for a cold rolling mill in a metal wire production line according to claim 1, wherein: the guide roller unit comprises a first guide roller (5) and a second guide roller (6) which are sequentially arranged, the first guide roller (5) and the second guide roller (6) are arranged between the sliding plates (4) through bearing seats, and a gap for metal wire to pass through is formed between the first guide roller (5) and the second guide roller (6).

3. The buffer device for a cold rolling mill in a metal wire production line according to claim 2, wherein: the outer circumferential surfaces of the first guide roller (5) and the second guide roller (6) are provided with semicircular grooves for metal wires to pass through and correspond to each other.

4. The buffer device for a cold rolling mill in a metal wire production line according to claim 2, wherein: first deflector roll (5) set up between frame (1) and second deflector roll (6), first deflector roll (5) diameter of axle be greater than second deflector roll (6) diameter of axle.

5. The buffer device for a cold rolling mill in a metal wire production line according to claim 1, wherein: the wire drawing machine is characterized in that guide devices are arranged on two sides of the rack (1), each guide device comprises a fixing frame and guide wheels (7) arranged on the fixing frame, the number of the guide wheels (7) is at least two, the horizontal height of each guide wheel (7) is matched with that of the rack (1), and gaps for metal wires to pass through are formed between the guide wheels (7).

6. The buffer device for a cold rolling mill in a metal wire production line according to claim 1, wherein: support arm (3) quantity be two at least, the spout be two at least, slide (4) quantity be two at least and slide (4) symmetry set up in the upper and lower both sides of deflector roll unit.