CN216095552U

CN216095552U - Finishing mill

Info

Publication number: CN216095552U
Application number: CN202121005387.1U
Authority: CN
Inventors: 刘贤汉
Original assignee: Jiangmen Zhonggang Metal Materials Co ltd
Current assignee: Jiangmen Zhonggang Metal Materials Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-03-22
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a finishing mill, comprising: the metal strip winding and unwinding device comprises an unwinding machine, a winding machine and a finishing area, wherein the finishing area is arranged between the unwinding machine and the winding machine and comprises at least one finishing roller group, each finishing roller group comprises two finishing rollers which are axially parallel to each other, and a metal strip passes through the two finishing rollers to be extruded and finished; the front and the rear of each finishing roller set are respectively provided with a lubricating system, each lubricating system comprises an oil tank, an oil pump, an oil mass distributor and a plurality of oil injection pipes, the top of each oil tank is provided with an oil injection pipe, each oil pump is arranged at the bottom of each oil tank and is communicated with the oil pump through an oil pipe, each oil pipe is provided with a flow valve, one end of each oil injection pipe is communicated with the oil mass distributor, the nozzle end of one part of each oil injection pipe faces the upper surface of the metal strip, and the nozzle end of the other part of each oil injection pipe faces the lower surface of the metal strip and is transversely and uniformly arranged along the metal strip; the winding roll is arranged on the winding roll, and the head end of the winding roll extends into the space between the winding machine and the metal belt and is wound by the winding machine along with the metal belt.

Description

Finishing mill

Technical Field

The utility model relates to the technical field of metal processing equipment, in particular to a finishing mill.

Background

At present, the metal strip is mainly produced by adopting an extrusion mode, and the thickness of the metal strip is the most important technical index. Therefore, after the completion of hot rolling of the metal strip, further finish rolling is often required in order to improve the accuracy of the metal strip. The finish rolling of the metal strip is mainly completed by a pair of finish rolling rolls. And extruding and rolling the metal strip by two finishing rolls. The finish rolling often needs a plurality of rolling procedures to be carried out repeatedly to meet the required precision requirement.

When the metal strip is subjected to extrusion rolling by the finishing rolls, a large amount of heat is generated, and if the temperature is not reduced, the equipment and products are greatly influenced.

After the finishing process is completed, the surface quality of the metal belt is very high, and the metal belt is very easy to be scratched, abraded and other damage conditions to damage the surface quality of the metal belt in the processes of rolling, storage, transportation and subsequent use, so that the metal belt is not qualified.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a finishing mill which can spray oil on the surface of a metal strip to achieve the purpose of cooling.

The technical scheme adopted by the embodiment of the utility model is as follows: a finishing block comprising:

an unreeling machine for continuously releasing a metal strip to be finished;

the winding machine is used for collecting the finished metal belt;

the finishing area is arranged between the unreeling machine and the reeling machine and comprises at least one finishing roller group, each finishing roller group comprises two finishing rollers which are axially parallel to each other, and the metal strip passes through the two finishing rollers for extrusion finishing;

a lubricating system is arranged in front of and behind each finishing roller set and comprises an oil tank, an oil pump, an oil mass distributor and a plurality of oil injection pipes, the top of the oil tank is provided with an oil injection pipe, the oil pump is arranged at the bottom of the oil tank, the oil mass distributor is arranged at the top of the oil tank and is communicated with the oil pump through an oil pipe, the oil pipe is provided with a flow valve, one end of each oil injection pipe is communicated with the oil mass distributor, the other end of each oil injection pipe is provided with a nozzle, the nozzle end of one part of each oil injection pipe faces the upper surface of the metal strip, and the nozzle end of the other part of each oil injection pipe faces the lower surface of the metal strip and is uniformly arranged along the transverse direction of the metal strip;

the winding roll, the winding roll setting is in the top of rolling machine, be equipped with the stock form on the winding roll, the width of stock form is not less than the width of strap, the head end of stock form stretches into between rolling machine and the strap, along with the strap is together rolled up by the rolling machine.

The finishing mill according to the embodiment of the utility model has at least the following beneficial effects:

1. the strap is before getting into the finishing roller and carrying out the finish rolling, spray lubricated liquid by lubricating system to the upper and lower surface of strap, the lubricated liquid on strap surface can lubricate the finishing roller, reduce the friction between the equipment, reduce thermal production, can take away the heat that produces in the extrusion process simultaneously, avoid leading to equipment and product sharply to heat up the influence to product and equipment because of the extrusion, the extrusion is accomplished the back, reuse lubricating system carries out the oil spout to the strap, when cooling down, the consumption of the lubricating oil of supplementary extrusion in-process, make the strap surface be covered with lubricating oil, the conveying of follow-up strap of being convenient for, rolling and packing.

2. The flow valve that oil pipe set up can adjust the oil mass that gets into in the oil pipe, and the quantity of better control lubricating oil reaches the purpose of ration fuel feeding.

3. The oil distributor ensures that the oil quantity in each oil pipe is relatively consistent.

4. The strap is at the rolling in-process, and the strap is rolled up with the stock form together, and the stock form separates strap layer and layer to the surface at every layer of strap has all set up the one deck stock form and has protected the surface of strap, reduces the destroyed risk in strap surface.

According to some embodiments of the present invention, a partition plate is disposed in the oil tank, the partition plate divides the oil tank into an upper chamber and a lower chamber, a through hole is disposed on the partition plate, a filter mesh bag is disposed on the through hole, the oil filling pipe is communicated with the upper chamber, and the oil pump is disposed in the lower chamber.

According to some embodiments of the utility model, each finishing roller is provided with a scraping and milling device, the scraping and milling device comprises a scraper and a supporting device, and the supporting device is connected with the scraper so that the blade surface of the scraper is attached to the side wall of the finishing roller.

According to some embodiments of the present invention, each of the milling and scraping devices is provided with a foreign material collecting device, the foreign material collecting device includes a collecting box and a negative pressure adsorption device, the collecting box is provided corresponding to the scraper and is configured to receive the foreign material scraped from the finishing roller by the scraper, and the negative pressure adsorption device is communicated with the collecting box and is configured to adsorb the foreign material received in the collecting box.

According to some embodiments of the utility model, a first thickness detection device for detecting the thickness of the metal strip entering the finishing area is arranged in front of the finishing area, and a second thickness detection device for detecting the thickness of the metal strip passing out of the finishing area is arranged behind the finishing area.

According to some embodiments of the utility model, the finishing roller group is a plurality of groups, and between two adjacent groups of the finishing roller group, the gap between rollers of the finishing roller group close to the unreeling machine side is larger than the gap between rollers of the finishing roller group close to the reeling machine side.

According to some embodiments of the utility model, a guiding mechanism for passing the metal strip between the two finishing rolls is provided between the unreeling machine and the reeling machine, the guiding mechanism comprising a first guiding roll and a second guiding roll, the first guiding roll being provided between the unreeling machine and the finishing zone, the second guiding roll being provided between the reeling machine and the finishing zone.

According to some embodiments of the utility model, an unreeling tension adjusting mechanism is arranged between the first guide roller and the unreeling machine.

According to some embodiments of the utility model, a take-up tension adjustment mechanism is provided between the second guide roll and the take-up reel.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a finishing block according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the lubrication system;

fig. 3 is a schematic view of the construction of the finishing roller group and the doctoring apparatus.

Reference numerals:

an unreeling machine 100, a metal belt 200, and a reeling machine 300;

a finishing zone 400, a finishing roller set 410, a finishing roller 411;

the lubricating system 500, the oil tank 510, the oil pump 520, the oil amount distributor 530, the oil injection pipe 540, the oil pipe 550, the flow valve 560, the partition plate 570 and the through hole 571;

paper winding roller 600, paper winding 610;

the scraping and milling device 700, the scraper 710 and the supporting device 720;

a foreign material collecting device 800, a collecting box 810, a suction pipe 820;

a first thickness detection device 910 and a second thickness detection device 920;

a first guide roller 1100 and a second guide roller 1200;

an unwinding tension adjusting mechanism 2100 and a winding tension adjusting mechanism 2200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The finishing mill shown with reference to fig. 1 to 3 includes:

an unreeling machine 100 for continuously releasing a metal strip 200 to be finished;

a winder 300 for taking up the finished metal strip 200;

the finishing area 400 is arranged between the unreeling machine 100 and the reeling machine 300, the finishing area 400 comprises at least one finishing roller group 410, each finishing roller group 410 comprises two mutually parallel finishing rollers 411 in the axial direction, and the metal belt 200 passes through the two finishing rollers 411 for extrusion finishing;

a lubricating system 500 is arranged in front of and behind each finishing roller group 410 and comprises an oil tank 510, an oil pump 520, an oil amount distributor 530 and a plurality of oil spraying pipes 540, an oil filling pipe 511 is arranged at the top of the oil tank 510, the oil pump 520 is arranged at the bottom of the oil tank 510, the oil amount distributor 530 is arranged at the top of the oil tank 510 and is communicated with the oil pump 520 through an oil pipe 550, a flow valve 560 is arranged on the oil pipe 550, one end of each oil spraying pipe 540 is communicated with the oil amount distributor 530, a nozzle is arranged at the other end of each oil spraying pipe, the nozzle end of one part of each oil spraying pipe 540 faces the upper surface of the metal strip 200, and the nozzle ends of the other part of each oil spraying pipe 540 face the lower surface of the metal strip 200 and are uniformly arranged along the transverse direction of the metal strip 200;

and the winding roller 600 is arranged above the winding machine 300, the winding roller 600 is provided with a winding paper 610, the width of the winding paper 610 is not less than that of the metal belt 200, and the head end of the winding paper 610 extends between the winding machine 300 and the metal belt 200 and is wound by the winding machine 300 along with the metal belt 200.

The finishing process of the metal strip is as follows:

the metal strip 200 to be finished is continuously unreeled by the unreeling machine 100, and before the metal strip 200 enters the finishing area, the lubricating system 500 sprays oil on the surface of the metal strip 200. The lubricating oil in the oil tank 510 is sprayed uniformly onto the upper and lower surfaces of the metal strip through the oil pipe 550, the flow valve 560, the oil amount distributor 530 and the oil spraying pipe 540 in sequence under the action of the oil pump 520. The provision of oil flow divider 530 ensures that the amount of oil in each oil line 550 is relatively consistent. The flow valve 560 arranged in the oil pipe 550 can adjust the amount of oil entering the oil pipe 550, so as to better control the consumption of the lubricating oil and achieve the purpose of quantitative oil supply.

After the metal strip 200 is finish-rolled by the finishing roller group 410, the finish-rolled metal strip 200 is again sprayed with oil by the lubrication system 500 to supplement the loss of the lubricating oil on the surface of the metal strip 200 due to the finish rolling, so that the surface of the metal strip 200 is covered with the lubricating oil. To reduce friction between the metal strip 200 and other equipment during subsequent transfer and winding. The metal belt 200 is covered with the lubricant liquid to protect the belt.

When the winding machine 300 performs winding, the winding roller of the winding machine 300 rotates, the metal tape 200 is wound up, and simultaneously the winding roller 600 synchronously rotates to release the roll paper 610, and the roll paper 610 on the winding roller 600 is wound up together with the metal tape 200. The roll paper 610 is sandwiched between layers of the metal strip being rolled up, thereby protecting the roll of metal strip being rolled up.

In some embodiments of the present invention, a partition plate 570 is disposed in the oil tank 510, the partition plate 570 divides the oil tank 510 into an upper chamber and a lower chamber, a through hole 571 is disposed in the partition plate 570, a filter mesh bag is disposed in the through hole 571, the oil filling pipe 511 is communicated with the upper chamber, and the oil pump 520 is disposed in the lower chamber.

During the finish rolling of the entire metal strip 200, a large amount of lubricating oil is consumed, and the lubricating oil is collected and then may be fed into the oil tank 510 again for use. The recovered lubricating oil is firstly put into the upper chamber, filtered by the filter net bag arranged on the partition plate 570 and then flows into the lower chamber, particles in the lubricating oil are removed, and the lubricating oil flows into the lower chamber for recycling after being purified.

In some embodiments of the present invention, each of the finishing rollers 411 is provided with a scraping and milling device 700, the scraping and milling device 700 includes a scraper 710 and a supporting device 720, and the supporting device 720 is connected with the scraper 710 so that the blade surface of the scraper 710 adheres to the sidewall of the finishing roller 411.

In the rotating extrusion finishing process of the finishing roller 411, the scraper 710 continuously scrapes and mills the complex foreign particles on the surface of the finishing roller 411 to ensure the surface cleanliness of the finishing roller 411, so that the finishing roller 411 is always kept in the optimal state to ensure the finishing effect.

Further, each scraping and milling device 700 is provided with a foreign matter collecting device 800 correspondingly, the foreign matter collecting device 800 comprises a collecting box 810 and a negative pressure adsorption device, the collecting box 810 and the scraper 710 are correspondingly arranged for receiving the foreign matters scraped off from the finishing roller 411 by the scraper 710, and the negative pressure adsorption device is communicated with the collecting box 810 for adsorbing the foreign matters received in the collecting box 810.

Foreign particles scraped from the finishing roller 411 fall into a collecting box 810 below, the collecting box 810 is communicated with a negative pressure adsorption device not shown in the figure through a suction pipe 820, and the negative pressure adsorption device sucks away the foreign particles deposited in the box. The negative pressure adsorption device can work continuously or start adsorption periodically.

In some embodiments of the present invention, a first thickness detecting device 910 for detecting the thickness of the metal strip 200 entering the finishing zone 400 is disposed in front of the finishing zone 400, and a second thickness detecting device 920 for detecting the thickness of the metal strip 200 passing out of the finishing zone 400 is disposed behind the finishing zone 400.

The metal strip 200 passes through the first thickness detection device 910, and the thickness of the metal strip 200 is monitored in real time, so as to obtain the thickness data of the metal strip 200, thereby facilitating the adjustment of the subsequent finishing process. Facilitating better and more accurate finishing. The first thickness detecting device 910 can adjust the gap between the two finishing rollers 411 in real time through the control system with the finishing rollers 411 in the finishing area 400 through the detection data fed back by the first thickness detecting device 910. The thickness data may also be obtained by a person for manual adjustment.

After the metal strip 200 is finished in the finishing region 400, the second thickness detection device 920 detects the thickness of the finished metal strip 200, and feeds back whether the thickness reaches the finishing index to the finishing process.

In some embodiments of the present invention, the sets of finishing rollers 410 are multiple sets, and between two adjacent sets of finishing rollers 410, the roll gap of the finishing roller set 410 near the side of the unwinder 100 is larger than the roll gap of the finishing roller set 410 near the side of the winder 300.

Specifically, between two adjacent finishing rollers 411, the gap between the rollers of the finishing roller set 410 close to the unreeling machine 100 is greater than or equal to the gap between the rollers of the finishing roller set 410 close to the reeling machine 300. The finishing roller group 410 is provided with a pressure adjusting mechanism for adjusting the rolling pressure. Between the adjacent finishing roller sets 410, the rolling pressure of the finishing roller set 410 near the unreeling machine 100 side is less than or equal to the rolling pressure of the finishing roller set 410 near the reeling machine 300 side, the finishing thickness of the metal strip 200 is gradually controlled, and the finish rolling efficiency is improved.

A guide mechanism for passing the metal strip 200 between the two finishing rollers 411 is provided between the unreeling machine 100 and the reeling machine 300, the guide mechanism includes a first guide roller 1100 and a second guide roller 1200, the first guide roller 1100 is provided between the unreeling machine 100 and the finishing zone 400, and the second guide roller 1200 is provided between the reeling machine 300 and the finishing zone 400.

By providing the first guide roll 1100 and the second guide roll 1200, the running metal strip 200 is guided so that the metal strip 200 runs along a set path.

Further, an unwinding tension adjusting mechanism is disposed between the first guide roller 1100 and the unwinding machine 100. The unwinding tension adjusting mechanism 2100 is provided to allow the metal strip 200 between the unwinding machine 100 and the finishing section 400 to be set to a stable tension for stretching and straightening, and then finishing is started. In this embodiment, the unwinding tension adjusting mechanism 2100 includes a fixed roller and a movable roller, and the movable roller can move up and down to tighten or loosen the metal tape 200 by the up and down movement.

Further, a winding tension adjusting mechanism is arranged between the second guide roller 1200 and the winder 300. The winding tension adjusting mechanism 2200 is arranged to enable the metal belt 200 between the winding machine 300 and the whole area 400 to form stable stretching and straightening tension, so that better winding is facilitated. Also, the take-up tension adjusting mechanism 2200 includes a fixed roller and a movable roller that tightens or loosens the metal strip 200 by moving up and down.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to 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 utility model. 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.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A finishing block, comprising:

an unreeling machine for continuously releasing a metal strip to be finished;

the winding machine is used for collecting the finished metal belt;

2. The finishing block of claim 1, wherein: the oil tank is provided with a partition plate, the partition plate divides the oil tank into an upper cavity and a lower cavity, a through hole is formed in the partition plate, a filter net bag is arranged on the through hole, the oil injection pipe is communicated with the upper cavity, and the oil pump is arranged in the lower cavity.

3. The finishing block of claim 1, wherein: each all be equipped with on the finishing roller and scrape and mill the device, it includes scraper and strutting arrangement to scrape to mill the device, strutting arrangement is connected with the scraper, so that the knife face of scraper is attached on the lateral wall of finishing roller.

4. The finishing block of claim 3, wherein: each scrape and mill the device and all correspond and be provided with foreign matter collection device, foreign matter collection device is including collecting box and negative pressure adsorption equipment, collect the box with the scraper corresponds the setting for accept by the scraper is followed the foreign matter of scraping down on the finishing roller, negative pressure adsorption equipment with collect the box intercommunication, be used for adsorbing the foreign matter of accepting in the collection box.

5. The finishing block of any one of claims 1 to 4, wherein: be provided with before the finishing area and be used for detecting the entering the first thickness detection device of the metal strip thickness in finishing area, be provided with behind the finishing area and be used for detecting by the second thickness detection device of the metal strip thickness that the finishing area was worn out.

6. The finishing block of any one of claims 1 to 4, wherein: the finishing roller sets are multiple groups, and between two adjacent finishing roller sets, the gap between the rollers of the finishing roller set close to one side of the unreeling machine is larger than the gap between the rollers of the finishing roller set close to one side of the reeling machine.

7. The finishing block of any one of claims 1 to 4, wherein: a guide mechanism used for enabling the metal belt to pass through between the two finishing rollers is arranged between the unreeling machine and the reeling machine, the guide mechanism comprises a first guide roller and a second guide roller, the first guide roller is arranged between the unreeling machine and the finishing area, and the second guide roller is arranged between the reeling machine and the finishing area.

8. The finishing block of claim 7, wherein: an unreeling tension adjusting mechanism is arranged between the first guide roller and the unreeling machine.

9. The finishing block of claim 7, wherein: and a winding tension adjusting mechanism is arranged between the second guide roller and the winding machine.