CN102039329B - Mechanical descaler - Google Patents

Mechanical descaler Download PDF

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Publication number
CN102039329B
CN102039329B CN201110000124.6A CN201110000124A CN102039329B CN 102039329 B CN102039329 B CN 102039329B CN 201110000124 A CN201110000124 A CN 201110000124A CN 102039329 B CN102039329 B CN 102039329B
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China
Prior art keywords
chain
gripper shoe
main shaft
comprised
casing
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CN201110000124.6A
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CN102039329A (en
Inventor
吴会超
虞长银
马兵
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Maanshan Iron and Steel Co Ltd
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Maanshan Iron and Steel Co Ltd
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Abstract

The invention discloses a mechanical descaler, comprising a hydraulic transmission system, a case body, an upper descaling mechanism and a lower descaling mechanism arranged on the case body, wherein the upper descaling mechanism is composed of an upper transmission device, a height adjusting device and a chain impacting device, while the lower descaling mechanism is composed of a lower transmission device and a chain impacting device; wherein the chain impacting device is composed of a trapezoid block, a chain clamping strip and a chain, the trapezoid block is fixed on a main shaft, the chain clamping strip is fixed on the trapezoid block and the chain is mounted on the chain clamping strip. The mechanical descaler is used for descaling the upper and lower surfaces of a cylindrical ingot billet by driving the chain on the main shaft to rotate in high speed through a hydraulic motor so as to remove the oxide scale tightly attached to the hot-red ingot; the descaling effect is greatly improved, the work intensity of the operator is greatly reduced and the influence of the water descaling to the reduction of steel temperature is reduced.

Description

Mechanical descaler
Technical field
The present invention relates to a kind of bottom surface of cylinder ingots steel billet, mechanical device of upper surface iron scale removed.
Background technology
Existing billet surface technique of scale removal is used high-pressure water descaling mostly; this technique of scale removal is used in and on sheet material, section bar, has all obtained good effect; but to being used for producing the raw material cylinder ingots of grinding steel wheel; often there will be upper and lower surface to remove sordid phenomenon, to wheel compacting center and rhythm of production, bring very large impact.Once and the end face of cylinder ingots steel billet remains iron scale in production process, will cause wheel depression, the rolling waste product such as folding, thereby increase production cost.
Summary of the invention
Problem to be solved by this invention is to provide a kind of mechanical descaler, and it can remove the iron scale of cylinder ingots steel ingot bottom surface and upper surface clean, thereby avoids occurring that high-pressure water descaling removes the problem of only not bringing to wheel product.
Mechanical descaler of the present invention, is characterized in that: it comprises Hydraulic Power Transmission System, casing, is contained in top de-scaling mechanism and bottom de-scaling mechanism on casing; Top de-scaling mechanism is comprised of top transmission device, height adjuster, chain beating unit; Bottom de-scaling mechanism is comprised of bottom driving device, chain beating unit.
Wherein, top transmission device comprises hydraulic motor, shaft coupling, main shaft, bearing block, gripper shoe, connecting plate; Match with the bearing in bearing block respectively after stretching out casing in the two ends, left and right of main shaft, one end is wherein connected with hydraulic motor by shaft coupling; Bearing block below is fixedly connected with respectively the gripper shoe in sustained height; Gripper shoe forms by a level board and two vertical plates; Two connecting plates are separately fixed at the left and right sides outside of casing, are vertically processed with two row's screws on it; On two vertical plates of gripper shoe, be all vertically processed with an exhausting hole, its number is more than the number of screw on connecting plate, and the spacing between through hole is identical with the spacing of screw on connecting plate; Gripper shoe and connecting plate are connected by screw.
Height adjuster is two covers, lays respectively at the centre of gripper shoe two vertical plates; It is comprised of adjustment block, nut, screw mandrel, and adjustment block is fixed on the lower surface of gripper shoe level board.
Bottom driving device comprises hydraulic motor, shaft coupling, main shaft, bearing block, gripper shoe; Match with the bearing in bearing block respectively after stretching out casing in the two ends, left and right of main shaft, one end is wherein connected with hydraulic motor by shaft coupling; Bearing block below is fixedly connected with respectively the gripper shoe in sustained height; Gripper shoe is separately fixed at the left and right sides outside of casing.
Chain beating unit is two covers, is separately fixed on the main shaft of top transmission device and the main shaft of bottom driving device; Chain beating unit is comprised of trapezoid block, chain card article and chain; Trapezoid block is fixed on main shaft, and chain card article is fixed on trapezoid block, and chain is contained on chain card article.
Mechanical descaler of the present invention drives the chain High Rotation Speed on main shaft by hydraulic motor, the upper and lower surface of cylinder ingots steel billet is carried out to de-scaling, iron scale by close attachment on red heat steel ingot is removed, scale removal effect significantly promotes, greatly reduce operative employee's labour intensity, also reduced the water de-scaling impact low on steel temperature drop.Therefore, the compacting defect of using this device to eliminate to be brought by iron scale, has guaranteed wheel compacting center, has improved the lumber recovery of product and the qualification rate of grinding steel wheel, has reduced production cost.Meanwhile, the present invention adopts hydraulic-driven, saves space, and configuration is compact, pollution-free, and operating maintenance is convenient.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the front view of mechanical descaler of the present invention;
Fig. 2 is the left view of mechanical descaler of the present invention;
Fig. 3 is the structural representation of chain beating unit;
Fig. 4 is the schematic diagram of hydraulic system.
The specific embodiment
From Fig. 1 and Fig. 2, mechanical descaler of the present invention, comprises Hydraulic Power Transmission System, casing 16, is contained in top de-scaling mechanism and bottom de-scaling mechanism on casing 16; Top de-scaling mechanism is comprised of top transmission device, height adjuster, chain beating unit; Bottom de-scaling mechanism is comprised of bottom driving device, chain beating unit.
Wherein, top transmission device comprises hydraulic motor 1, shaft coupling 2, main shaft 3, bearing block 4,5, gripper shoe 11,13, connecting plate 12; The two ends, left and right of main shaft 3 stretch out that casing 16 is rear to match with the bearing in bearing block 4,5 respectively, and one end is wherein connected with hydraulic motor 1 by shaft coupling 2; Bearing block 4,5 belows are fixedly connected with respectively the gripper shoe 11,13 in sustained height; Gripper shoe 11,13 forms by a level board and two vertical plates; Two connecting plates 12 are separately fixed at the left and right sides outside of casing 16, are vertically processed with two row's screws on it; On two vertical plates of gripper shoe 11,13, be all vertically processed with an exhausting hole, its number is more than the number of screw on connecting plate 12, and the spacing between through hole is identical with the spacing of screw on connecting plate 12; Gripper shoe 11,13 and connecting plate 12 are connected by screw.
Height adjuster is two covers, lays respectively at the centre of 11,13 liang of vertical plates of gripper shoe; It is comprised of adjustment block 17, nut 18, screw mandrel 19, and adjustment block 17 is fixed on the lower surface of gripper shoe 11,13 level boards.Height adjuster can be adjusted the height of top transmission device according to the height of cylinder ingots steel billet, thereby adjusts the height of the chain beating unit being connected with main shaft 3, to remove better the iron scale of cylinder ingots steel billet upper surface.In actual production, the frequency of the height change of steel ingot is not too many, can utilize the height that manually regulates upper surface de-scaling chain, first unclamp the screw between gripper shoe 11,13 and connecting plate 12, then regulate screw mandrel 19, the gripper shoe 11,13 being connected with adjustment block 17 is moved up and down to correct position, then will between gripper shoe 11,13 and connecting plate 12, be screwed.Because the steel ingot lower surface of differing heights is its base surface, can be placed on sustained height, so bottom driving device be fixed on casing, without adjusting.This device had both met the needs of producing, and had greatly saved again cost.
Bottom driving device comprises hydraulic motor 6, shaft coupling 7, main shaft 8, bearing block 9,10, gripper shoe 14,15; The two ends, left and right of main shaft 8 stretch out that casing 16 is rear to match with the bearing in bearing block 9,10 respectively, and one end is wherein connected with hydraulic motor 6 by shaft coupling 7; Bearing block 9,10 belows are fixedly connected with respectively the gripper shoe 14,15 in sustained height; Gripper shoe 14,15 is separately fixed at the left and right sides outside of casing 16.
From Fig. 1, Fig. 3, chain beating unit is two covers, is separately fixed on the main shaft 3 of top transmission device and the main shaft 8 of bottom driving device; Chain beating unit is comprised of trapezoid block, chain card article 23 and chain 24; Trapezoid block is fixed on main shaft 3 and 8, and chain card article 23 is fixed on trapezoid block, and chain 24 is contained on chain card article 23.On main shaft 3 and 8, be all processed with three grooves, trapezoid block 20,21,22 is separately fixed in three grooves by screw; Stagger mutually in the position that is connected to three groups of chains 24 on trapezoid block.Interval angle between main shaft 3 and three grooves of 8 is 120 °.Staggering mutually in the position of chain 24, has increased the area impacting, and guarantees not form dead angle in surface of steel ingot.
As can be seen from Figure 4, Hydraulic Power Transmission System comprises the fluid pressure line of top transmission device and the fluid pressure line of bottom driving device, and both share a Hydraulic Station; Upper and lower rotary fluid motor 29.1,29.2 is connected on in-line P pipe by corresponding pipeline; Pipeline one is comprised of solenoid directional control valve 27.1, throttle grverning valve 28.1, motor 29.1; Pipeline two is comprised of solenoid directional control valve 27.2, throttle grverning valve 28.2, motor 29.2; Article two, pipeline shares oil-feed stop valve 25, pressure-reducing valve 26, oil return stop valve 30, after the leakage oil L of motor 29.1,29.2 and oil return T converge, gets back to fuel tank.Its hydraulic circuit is by oil-feed stop valve 25, and pressure-reducing valve 26 installs required 70bar by the pressure stability of system at this, protective device stable operation.By solenoid directional control valve 27.1,27.2, realize the rotating of motor, then pass through throttle grverning valve 28.1,28.2, the speed of the chain of controlling well rotation, makes motor 29.1,29.2 stable operations.At the oil-feed P of valve piece, the A of oil return T and motor, B mouth have all been installed pressure-measuring head, are used for gaging pressure.
When this device is used, first according to the height of cylinder ingots steel billet, adjust in advance the height of top chain beating unit.When starting, de-scaling, with manipulator, the steel ingot with iron scale is sent into mechanical descaler, at this moment solenoid directional control valve obtains electricly, and hydraulic motor is started working, drive shaft and chain High Rotation Speed, the iron scale of steel billet upper and lower surface is processed totally, and then it is compressing to send into 90MN hydraulic press.

Claims (6)

1. a mechanical descaler, is characterized in that: it comprises Hydraulic Power Transmission System, casing (16), is contained in top de-scaling mechanism and bottom de-scaling mechanism on casing (16); Top de-scaling mechanism is comprised of top transmission device, height adjuster, chain beating unit; Bottom de-scaling mechanism is comprised of bottom driving device, chain beating unit; Chain beating unit is two covers, is separately fixed on the main shaft (3) of top transmission device and the main shaft (8) of bottom driving device; Chain beating unit is comprised of trapezoid block, chain card article (23) and chain (24); It is upper that trapezoid block is fixed on main shaft (3,8), and chain card article (23) is fixed on trapezoid block, and chain (24) is contained on chain card article (23); On main shaft (3,8), be all processed with three grooves, trapezoid block (20,21,22) is separately fixed in three grooves by screw; Stagger mutually in the position that is connected to the three groups of chains (24) on trapezoid block.
2. mechanical descaler according to claim 1, is characterized in that: top transmission device comprises hydraulic motor (1), shaft coupling (2), main shaft (3), bearing block (4,5), gripper shoe (11,13), connecting plate (12); Match with the bearing in bearing block (4,5) respectively after stretching out casing (16) in the two ends, left and right of main shaft (3), one end is wherein connected with hydraulic motor (1) by shaft coupling (2); Bearing block (4,5) below is fixedly connected with respectively the gripper shoe (11,13) in sustained height; Gripper shoe (11,13) forms by a level board and two vertical plates; Two connecting plates (12) are separately fixed at the left and right sides outside of casing (16), are vertically processed with two row's screws on it; On two vertical plates of gripper shoe (11,13), be all vertically processed with an exhausting hole, its number is more than the number of the upper screw of connecting plate (12), and the spacing between through hole is identical with the spacing of the upper screw of connecting plate (12); Gripper shoe (11,13) is connected by screw with connecting plate (12).
3. mechanical descaler according to claim 2, is characterized in that: height adjuster is two covers, lays respectively at the centre of gripper shoe (11,13) two vertical plates; It is comprised of adjustment block (17), nut (18), screw mandrel (19), and adjustment block (17) is fixed on the lower surface of gripper shoe (11,13) level board.
4. mechanical descaler according to claim 1, is characterized in that: bottom driving device comprises hydraulic motor (6), shaft coupling (7), main shaft (8), bearing block (9,10), gripper shoe (14,15); Match with the bearing in bearing block (9,10) respectively after stretching out casing (16) in the two ends, left and right of main shaft (8), one end is wherein connected with hydraulic motor (6) by shaft coupling (7); Bearing block (9,10) below is fixedly connected with respectively the gripper shoe (14,15) in sustained height; Gripper shoe (14,15) is separately fixed at the left and right sides outside of casing (16).
5. mechanical descaler according to claim 1, is characterized in that: the interval angle between three grooves of main shaft (3,8) is 120 °.
6. mechanical descaler according to claim 1, is characterized in that: Hydraulic Power Transmission System comprises the fluid pressure line of top transmission device and the fluid pressure line of bottom driving device, and both share a Hydraulic Station; Upper and lower rotary fluid motor (29.1,29.2) is connected on in-line P pipe by corresponding pipeline; Pipeline one is comprised of solenoid directional control valve (27.1), throttle grverning valve (28.1), upper rotary hydraulic motor (29.1); Pipeline two is comprised of solenoid directional control valve (27.2), throttle grverning valve (28.2), lower rotary fluid motor (29.2); Article two, pipeline shares oil-feed stop valve (25), pressure-reducing valve (26), oil return stop valve (30), after the leakage oil L of upper and lower rotary fluid motor (29.1,29.2) and oil return T converge, gets back to fuel tank.
CN201110000124.6A 2011-01-04 2011-01-04 Mechanical descaler Active CN102039329B (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920729B (en) * 2013-11-07 2017-02-08 首钢总公司 Method for removing red rust defects of high-silicon type high-strength automobile plate
CN103706667B (en) * 2013-12-20 2016-02-03 河北宏润核装备科技股份有限公司 In a kind of hot extrusion technique, high temperature blank removes the device of surface oxide layer
CN105964710A (en) * 2016-06-21 2016-09-28 广西梧州市金海不锈钢有限公司 High pressure water descaling device and descaling method
CN106670245A (en) * 2017-01-16 2017-05-17 徐州益众不锈钢有限公司 High-temperature mechanical descaling machine
CN107716569B (en) * 2017-10-17 2023-06-20 大冶特殊钢有限公司 Flexible chain steel billet descaling machine
CN108326054A (en) * 2018-01-08 2018-07-27 邯郸钢铁集团有限责任公司 A kind of heavy and medium plate mill collector elevation adjusting device
CN109092721B (en) * 2018-04-19 2024-03-05 江苏永钢集团有限公司 Steel billet surface iron oxide removing device

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CN201168710Y (en) * 2008-04-07 2008-12-24 邯郸钢铁股份有限公司 Iron scale removing apparatus
CN201283532Y (en) * 2008-10-22 2009-08-05 宝山钢铁股份有限公司 Iron scale removing apparatus for billet surface
CN202061843U (en) * 2011-01-04 2011-12-07 马鞍山钢铁股份有限公司 Mechanical scale removing device

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JP3140594B2 (en) * 1993-01-28 2001-03-05 新日本製鐵株式会社 Mechanical descaling method and scale crushing apparatus
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CN201168710Y (en) * 2008-04-07 2008-12-24 邯郸钢铁股份有限公司 Iron scale removing apparatus
CN201283532Y (en) * 2008-10-22 2009-08-05 宝山钢铁股份有限公司 Iron scale removing apparatus for billet surface
CN202061843U (en) * 2011-01-04 2011-12-07 马鞍山钢铁股份有限公司 Mechanical scale removing device

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