CN2813631Y

CN2813631Y - Towing furnace bottom roll impurity removing device

Info

Publication number: CN2813631Y
Application number: CNU2005200315934U
Authority: CN
Inventors: 宋应川
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-22
Filing date: 2005-08-22
Publication date: 2006-09-06
Anticipated expiration: 2015-08-22

Abstract

The utility model relates to a towing furnace bottom roll impurity removing device, which is used for removing impurities on a furnace bottom roll. The utility model can effectively solve the problem of removing the impurities and sticking floating articles on the surface of the furnace bottom roll and preventing rolling prints of a normalizing steel plate from generating. The utility model has the solved technical scheme that the utility model is composed of a sanding main plate and a diversion alignment plate, wherein the sanding main plate is provided with a towing lock position hole; the diversion alignment plate is provided with a connecting hook head; the end head part of the connecting hook head is arranged in the towing lock position hole to cause two parts to be connected together. The lower part of the sanding main plate is provided with a special-shaped alloy silk screen; the sanding main plate is provided with an alignment rabbet; the diversion alignment plate is provided with an alignment groove, and the alignment rabbet is arranged in the alignment groove. The utility model has the advantages of simple structure and convenient operation; the utility model can effectively remove the impurities and convex hulls which are formed by the impurities on the furnace bottom roll; the utility model can prevent the generation of the rolling prints caused by the stimulation to the steel plate; the quality of the steel plate surface can be ensured; the production efficiency can be improved, the service life of the furnace bottom roll can be prolonged; the utility model makes the active contribution for saving cost; the utility model has wide development and application prospect.

Description

Drag the device for eliminating impurities that draws the formula furnace bottom roll

One, technical field

The utility model relates to remove a kind of device for eliminating impurities that draws the formula furnace bottom roll that drags that foreign material are used on the furnace bottom roll surface.

Two, background technology

Roller-bottom type normalizing furnace is mainly used in steel plate normalizing thermal treatment, under hot state because the steel plate that heated and oven cavity atmosphere generation chemical reaction generation iron scale Fe ₃O ₄, drop to the surface of roller, in normalizing steel plate process, furnace bottom roll directly contacts with steel plate, exists relative movement between them.Therefore, steel plate and roll surface take place to rub and are easy to generate the normalizing roll marks.Particularly reduce, and the convex closure defective that the sticking floating thing above the furnace roller forms causes the weight of steel plate to concentrate on the convex closure fulcrum, has aggravated the generation of steel plate normalizing roll marks in high temperature (900 ± 30 ℃) state lower steel plate surface hardness.

In order to address this problem, common way is the sticking floating thing of blowing out cooling back with artificial polishing furnace bottom roll surface, or changes the serious furnace bottom roll of surface imperfection; Or the normalizing temperature that as far as possible reduces steel plate reduces and adds backing plate normalizing etc. below normalizing roll marks and the steel plate.But, be difficult to implement these several operations for manufacturing enterprise.Because the blowing out cooling can have a strong impact on the production cycle of enterprise, roll change recondition expense height reduces normalizing temperature and the shortening soaking time causes heat treatment performance not conform to easily.Require to realize to add the difficulty that thermal treatment process and cooling control aspect will take place in the backing plate operation below the steel plate.Therefore, how effectively removing the lip-deep foreign material of furnace bottom roll is the problem that manufacturing enterprise is concerned about very much with sticking floating thing.

Three, utility model content

At above-mentioned situation; the purpose of the utility model just provides a kind of device for eliminating impurities that draws the formula furnace bottom roll that drags that is used to remove foreign material on the furnace bottom roll; can effectively solve the removing of lip-deep foreign material of furnace bottom roll and sticking floating thing; prevent having problems of normalizing steel plate roll marks; the technical scheme of its solution is; adopt the polishing mainboard and pin down and align plate two portions formation; drag on the polishing mainboard and draw the lock-bit hole, pin down to align the connection gib head is housed on the plate, the termination of connection gib head is deployed in dragging and is drawn in the lock-bit hole; connect the two portions together; special-shaped alloy silk screen is equipped with in polishing mainboard bottom, aligns tenon on the polishing mainboard, and pining down to align has alignment cavities on the plate; aligning tenon places in the alignment cavities; the utility model is simple in structure, and is easy to use, can effectively remove the convex closure of foreign material and its formation on the furnace bottom roll; prevent from the stimulation of steel plate is produced roll marks; guarantee plate surface quality, enhance productivity, prolong the furnace bottom roll life-span; and be to save cost to make positive contribution, the wide development application prospect is arranged.

Four, description of drawings

Accompanying drawing is that the utility model places the structural upright front view on the furnace bottom roll.

Five, embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

Provide by accompanying drawing, the utility model is to be aligned plate 2 and constitute with pining down by polishing mainboard 1, drag on the polishing mainboard 1 and draw lock-bit hole 4, pin down to align to be equipped with on the plate 2 and connect gib head 3, the termination of connection gib head 3 is deployed in dragging and is drawn in the lockhole 4, two ones are linked together, special-shaped alloy silk screen 7 is equipped with in polishing mainboard 1 bottom, in order to guarantee accurate contraposition, improve the polishing quality, polishing mainboard 1 aligns plate and aligns tenon 5 and alignment cavities 6 respectively on the end in succession mutually with pining down, and aligns tenon 5 and places in the alignment cavities 6, shows in the accompanying drawing that groove 6 on mainboard 1 termination of polishing is built-in with to draw to align to align tenon 5 on plate 2 terminations.Tenon and groove drag and draw the lock-bit hole and be connected the gib head rigging position and can exchange, and link together as long as two portions are aligned.

For needs easy to use and polishing, the utility model generally is made up of more piece, and length overall is 70M, and the long 10M of every joint wherein pins down and aligns thickness of slab 70mm, and the mainboard 1 thick 6-8mm that polishes pins down that to align plate thick and weigh with respect to the mainboard of polishing.

Service condition of the present utility model is, as shown in the figure, when furnace bottom roll 8 needs removing to mix addendum, the utility model is placed above the furnace bottom roll 8, be to its furnace bottom roll of polishing below the polishing mainboard 1, promptly polish and be in the polishing position below the mainboard, when furnace bottom roll 8 along clockwise, when being the rotation of direction shown in the arrow, to align plate 2 very heavy owing to pin down, and the furnace bottom roll of bottom does not rotate (whether the rotation of furnace bottom roll can be set by automatic control device, used equipment in the steel plate production), and by the movement position that aligns tenon and alignment cavities control polishing mainboard, because the polishing mainboard is pining down under the pining down that aligns plate, can not move, therefore, special-shaped alloy silk screen 7 below the polishing mainboard 1 produces friction with the body of roll of furnace bottom roll 8, thereby can remove the lip-deep sticking floating thing of furnace bottom roll easily, and align plate 2 thick weights owing to pining down, also can with below wait to be eliminated the furnace bottom roll surface convex closure crushing of foreign material, so that remove, improve and remove effect, guarantee clear quality, be beneficial to produce the quality of steel plate, every removing finishes a part of furnace bottom roll, can furnace bottom roll to be removed be placed polishing it to be cleared up below the mainboard again, thinks and analogizes, clean out until whole furnace bottom rolls required cleaning, afterwards, remove the utility model, can carry out normal steel plate production.

By above-mentioned situation as can be known, the cleaning of the sticking floating foreign material in furnace bottom roll surface has replaced the labor cleaning by mechanize, high efficiency, and can carry out at high temperature (900 ± 30 ℃), highly beneficial steel plate production, guaranteed plate quality greatly, the utility model is simple in structure and effective, and the society and economy benefit is huge.

Claims

1, a kind of device for eliminating impurities that draws the formula furnace bottom roll that drags, be to align plate (2) and constitute with pining down by polishing mainboard (1), it is characterized in that being, drag on the polishing mainboard (1) and draw lock-bit hole (4), pin down to align to be equipped with on the plate (2) and connect gib head (3), the termination that connects gib head (3) is deployed in dragging and is drawn in the lockhole (4), and two ones are linked together, and special-shaped alloy silk screen (7) is equipped with in polishing mainboard (1) bottom.

2, the device for eliminating impurities that draws the formula furnace bottom roll that drags according to claim 1, it is characterized in that, said polishing mainboard (1) aligns plate and aligns tenon (5) and alignment cavities (6) respectively on the end in succession mutually with pining down, and aligns tenon (5) and places in the alignment cavities (6).