CN210474995U

CN210474995U - Intermediate billet centering device and steel rolling induction heat supplementing assembly

Info

Publication number: CN210474995U
Application number: CN201921297492.XU
Authority: CN
Inventors: 蒋晓奇; 肖红; 王强; 曾岳飞; 杨宏
Original assignee: Zhongke Electric Co ltd
Current assignee: Zhongke Electric Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-08
Anticipated expiration: 2029-08-12

Abstract

The utility model provides a middle base centering device and steel rolling response concurrent heating subassembly. The middle blank centering device comprises a main frame, a main driving roller wheel and an upper roller wheel which are vertically arranged on the main frame in a corresponding mode, the main driving roller wheel and the upper roller wheel are overlapped along the radial central line, the middle blank centering device further comprises an adjusting module and a lifting module, the lifting module is connected to the main frame and used for enabling the upper roller wheel to move up and down, the adjusting module is arranged on the main frame and located between the main driving roller wheel and the upper roller wheel, and the adjusting module is arranged in a moving mode towards the radial central line far away from or close to the main driving roller wheel. Compared with the prior art, the utility model provides an intermediate billet centering device can effectively be fixed in the hole center of response concurrent heating device with the centering of blank in the middle of the different section sizes, can let the whole even concurrent heating of intermediate billet when the response concurrent heating, can effectively avoid the rolling crackle and the inconsistent problem of thickness that leads to because of the inhomogeneousness of temperature among the intermediate billet rolling process.

Description

Intermediate billet centering device and steel rolling induction heat supplementing assembly

Technical Field

The utility model relates to a steel rolling line production technical field especially relates to a middle base centering device and steel rolling response concurrent heating subassembly.

Background

The induction heat compensation is to utilize the eddy current generated by the metal workpiece in the alternating magnetic field to perform heat compensation, and because the heat is generated in the metal material, compared with the traditional heat compensation process, the induction heat compensation has the advantages of high energy utilization rate, high heat compensation speed, no emission in the production process, no pollution and the like. The induction heat-supplementing is used as a heat-supplementing process for the intermediate billet on a steel rolling line, so that the accurate rolling temperature of the intermediate billet is ensured, the temperature difference between the head and the tail of the intermediate billet is compensated, the quality of steel is improved, the oxidation burning loss is reduced, and the rolling mill can run better and more stably.

At present, need carry out the concurrent heating to the middle base of different section sizes on the steel rolling line, generally speaking, the hole size of response concurrent heating device is generally fixed, and when the hole of the middle base self-induction concurrent heating device of different section sizes passed the concurrent heating, because of leaving great clearance between middle base and the response concurrent heating device hole, can cause middle base can freely swing at the hole of response concurrent heating device for middle base can't be at response concurrent heating in heat supplementing device center, and this homogeneity and the concurrent heating efficiency of middle base concurrent heating will be influenced. Meanwhile, the intermediate blank swings too much in the inner hole and is easy to impact the induction heat supplementing device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intermediate billet centering device and steel rolling response concurrent heating subassembly solve above-mentioned problem to when steel rolling response concurrent heating among the background art.

The technical scheme of the utility model is that: the utility model provides an intermediate billet centering device includes the main frame be the main drive running roller and the last running roller that correspond the setting from top to bottom on the main frame, the radial central line coincidence of main drive running roller and last running roller still include adjusting module and connect in just be used for going up the lifting module of running roller displacement from top to bottom on the main frame, adjusting module locates on the main frame, and be located between main drive running roller and the last running roller, adjusting module is to keeping away from or being close to the radial central line removal setting of main drive running roller.

Preferably, the adjusting module comprises:

the fixing seat is connected with the main frame, and an inner cavity of the fixing seat is provided with a sliding chute extending along the length direction of the fixing seat;

the adjusting screw rod is installed in the sliding groove and is in threaded fit with two ends of the fixed seat, and one end of the adjusting screw rod extends to the outer side of the fixed seat;

the centering driving source is in driving connection with the tail end of the adjusting screw rod extending to the outer side of the fixed seat;

the nut seat is in threaded fit with the adjusting screw rod in the sliding groove; and

the adjusting block is connected to the upper end of the nut seat and is positioned above the fixed seat;

the adjusting block penetrates through the main frame and extends to the radial center line of the main driving roller.

Preferably, the number of the adjusting modules is two, and the adjusting modules are arranged on two sides of the main frame and move towards the radial center line far away from or close to the main driving roller wheel.

Preferably, the lifting module includes:

the guide bar is fixedly arranged in the vertical direction of the main frame;

the sliding block is used for connecting the shaft end of the upper roller and is in sliding fit with the guide bar;

the lifting driving source is fixedly arranged at the upper end of the main frame;

and one end of the lifting screw rod is connected with the sliding block, and the other end of the lifting screw rod is in driving connection with the lifting driving source.

Preferably, the device also comprises an upper computer used for inputting the section size parameters of the intermediate billet, a PLC used for controlling the adjusting module and the lifting module, and a position sensor used for detecting the size of the intermediate billet.

Preferably, the main driving roller is installed on the main frame through a main driving shaft, the main driving shaft penetrates through the main frame, and one end of the main driving shaft is connected with a rotary driving source.

Preferably, a conveying groove used for placing the intermediate blank is formed in the radial outer circle of the main driving roller wheel, and the conveying groove is close to the radial central line of the main driving roller wheel.

The utility model also provides a steel rolling response concurrent heating subassembly, including response concurrent heating device and middle base, still include foretell middle base centering device, response concurrent heating device is located the side of middle base centering device, just the conveyer trough with the hole of response concurrent heating device corresponds.

Compared with the prior art, the beneficial effects of the utility model are that: the middle blank with different section sizes of heat compensation required on a steel rolling line can be effectively centered and fixed at the center of an inner hole of the induction heat compensation device, the whole middle blank can be uniformly compensated during induction heat compensation, and the problems of rolling cracks and inconsistent thickness caused by nonuniform temperature in the middle blank rolling process can be effectively avoided. Meanwhile, in the process of conveying the intermediate billet to the center of the induction heat compensation device, the intermediate billet can be prevented from swinging in the rolling process to impact and damage the induction heat compensation device.

Drawings

FIG. 1 is a schematic perspective view of a steel rolling induction concurrent heating assembly provided by the present invention;

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the conditioning module of FIG. 2;

FIG. 4 is an installation schematic of the hoist module of FIG. 2;

fig. 5 is a control schematic diagram of the intermediate blank centering device provided by the present invention.

In the attached drawing, 1-a main frame, 11-a bottom plate, 12-a vertical plate, 13-a top plate, 14-an operation space, 2-a main driving part, 21-a main driving roller, 22-a main driving shaft, 23-a bearing, 24-a rotary driving source, 25-a conveying groove, 26-a coupler, 3-an upper roller, 4-an adjusting module, 41-a fixed seat, 411-a sliding groove, 412-a supporting plate, 42-an adjusting screw rod, 43-a centering driving source, 44-a nut seat, 45-an adjusting block, 5-a lifting module, 51-a guide strip, 52-a sliding block, 53-a lifting driving source, 54-a lifting screw rod, 55-a coupler, 10-an intermediate blank and 20-an induction heat supplementing device.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1 to 2, the steel rolling induction concurrent heating assembly provided by the embodiment includes an induction concurrent heating device 20, an intermediate billet 10 and an intermediate billet centering device.

The middle blank centering device comprises a main frame 1, a main driving part 2, an upper roller 3, an adjusting module 4, a lifting module 5, an upper computer for inputting the section size parameters of the middle blank, a PLC (programmable logic controller) for controlling the adjusting module and the lifting module, and a position sensor for detecting the size of the middle blank.

The main frame 1 comprises a bottom plate 11, two vertical plates 12 which are vertically arranged on the bottom plate 11 and are parallel to each other, and a top plate 13 which is erected at the upper ends of the two vertical plates 12. The middle position of the two vertical plates 12 is an operation space 14, and the induction heat supplementing device 20 is positioned beside the middle blank centering device and is arranged close to the operation space 14.

The main driving part 2 is mounted on the bottom plate 11 and penetrates through the vertical plate 12. The main driving part 2 includes a main driving roller 21, a main driving shaft 22, a bearing 23, and a rotation driving source 24. The main driving roller 21 is mounted on the vertical plate 12 of the main frame 1 through a main driving shaft 22, and the main driving shaft 22 penetrates through the main frame 1 and one end of the main driving shaft is connected with a rotary driving source 24. The main drive shaft 22 is connected to a penetrating portion of the vertical plate 12 of the main frame 1 through a bearing 23. The rotary drive source 24 is a rotary electric machine, and an output shaft thereof is drivingly connected to the main drive shaft 22 through a coupling 26. The radial central lines of the main driving roller 21 and the upper roller 3 are superposed, and simultaneously the central lines of the main frame 1 and the top plate 13 are superposed, namely the main driving roller, the upper roller and the top plate share a central line Y. And a conveying groove 25 for placing an intermediate blank is arranged on the radial excircle of the main driving roller 21, and the conveying groove 25 is arranged close to the radial central line Y of the main driving roller.

The upper roller 3 is arranged above the main driving part 2, the upper roller and the main driving part are both positioned in an action space, and two shaft ends of the upper roller 3 are in up-and-down sliding fit through the lifting module 5.

The number of the adjusting modules 4 is two, and the adjusting modules are arranged on two sides of the vertical plate 12 of the main frame 1 and move towards a radial center line Y far away from or close to the main driving roller wheel.

The adjusting module 4 is horizontally arranged between the main driving roller 21 and the upper roller 3. As shown in fig. 3, the adjusting module 4 includes a fixing base 41, an adjusting screw 42, a centering driving source 43, a nut base 44, and an adjusting block 45.

As shown in fig. 2 and 3, the fixing seat 41 and the vertical plate 12 are fixed by welding or bolts. The inside of fixing base 41 is equipped with spout 411, spout 411 extends the setting along the length direction of fixing base 41. Support plates 412 are fixed at two ends inside the sliding groove 411, and one end of the adjusting screw 42 extends into one end of the fixed seat 41, penetrates through the two support plates 412 respectively, and is in threaded fit with the support plates 412. The other end of the adjusting screw 42 is connected with a centering driving source 43 at the outer side of the fixed seat 41.

The centering driving source 43 is a servo motor, the voltage range is 12V-90V, the power range is 0.5W-5 KW, and the positioning precision can reach 0.01 mm.

The nut seat 44 is in the sliding groove and is in threaded fit with the adjusting screw, and the adjusting block 25 is connected to the upper end of the nut seat 44 and is located above the fixed seat 41. The adjusting block 25 extends through the main frame 1 to the radial center line Y of the main driving roller 21. The adjusting block 25 is made of high-temperature-resistant alloy steel and has the wear-resistant characteristics of high temperature resistance of over 1200 ℃ and hardness of HRC 52-60.

The adjustment screw 42 is driven by the servo motor to rotate the rotational driving force into the left and right displacement of the nut holder 44, thereby moving the adjustment block 45 toward or away from the radial center line Y to achieve the centering function. The centering driving sources 43 of the adjusting modules 4 on both sides need to be started simultaneously to drive the adjusting blocks 25 on both sides to approach or separate in the direction of the radial center line Y simultaneously, so as to ensure the centering effect, so that the intermediate blank is located in the center of the inner hole of the induction heat compensation device 20 and the position is always kept unchanged.

As shown in fig. 2 and 4, the number of the lifting modules 51 is two, and the lifting modules are arranged adjacent to the two vertical plates 12. The lifting module 51 includes a guide bar 51, a slider 52, a lifting drive source 53, and a lifting screw 54. As shown in fig. 1, the upper end of the vertical plate 12 is a through structure, the number of the guide bars 51 is two, and the guide bars 51 are respectively fixed on two sides of the through structure, and the guide bars 51 and the vertical plate 12 can be fixedly connected by welding or bolts. The slider 52 is disposed in the through portion, and both ends thereof are slidably engaged with the guide bars 51 on both sides. The middle part of the slide block 52 is provided with a through connecting hole which is used for connecting and fixing the shaft end of the upper roller 3. One end of the lifting screw 54 is connected to the upper end of the slider 52, and the other end is drivingly connected to an output shaft of a lifting drive source 53 provided on the top plate 13 via a coupling 55.

The lifting driving source 53 is a lifting motor, the sliding block 52 is driven by the motor to move up and down along the guide bar 51, and meanwhile, the sliding block 52 drives the upper roller 3 to move up and down together, so that the up-down distance of the upper roller 3 relative to the main driving roller 21 is adjustable. The lifting driving sources 53 at both sides need to be simultaneously started to ensure the stability of the up-and-down displacement of the upper roller 3.

The space between the regulating blocks 45 on both sides and the space between the main drive roller wheel 21 and the upper roller wheel 3 form an opening for placing the intermediate billet. The size of the opening can be adjusted to meet different cross-sectional sizes of the intermediate blank. As shown in fig. 2 and 5, the intermediate slab 10 enters the working space 14 from the transfer chute 25, and enters the inner hole of the induction heat-compensating device 20 from the working space 14 to perform the heat-compensating operation.

When the rolling mill works, the size parameters of the cross section of the intermediate billet 10 are input into the upper computer. The position sensor detects the opening size between the adjusting blocks 45 of the two adjusting modules 4 of the intermediate billet, if the opening size does not reach the preset value, the upper computer respectively sends a control instruction to the centering driving source 43 of the adjusting module 4 and the lifting driving source 53 of the lifting module 5 through the PLC, and the centering driving source 43 (servo motor) drives the adjusting screw rod to drive the nut seat and the adjusting blocks to move left and right. The lift screw 54 is driven by the lift driving source 53 (servo motor) to drive the slider 52 and the upper roller 3 to move up and down. The above actions can simultaneously realize the adjustment of the left, right, up and down positions. When the position sensor detects that the opening size is satisfactory, the centering drive source 43 and the lift drive source 53 stop operating. The upper computer starts the rotary driving source 24 to act through a PLC controller, and conveys the intermediate blank 10 placed on the conveying groove 25 to the direction of the induction heat supplementing device 20, so that the intermediate blank enters the induction heat supplementing device 5 to be subjected to heat supplementing in a working state.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an intermediate billet centering device, includes main frame (1) be main drive running roller (21) and last running roller (3) that the upper and lower correspondence set up on main frame (1), the radial central line coincidence of main drive running roller (21) and last running roller (3), its characterized in that still including adjusting module (4) with connect in on main frame (1) and be used for hoisting module (5) of going up running roller (3) displacement from top to bottom, adjusting module (4) are located on main frame (1), and are located between main drive running roller (21) and last running roller (3), adjusting module (4) are to keeping away from or being close to radial central line (Y) removal setting of main drive running roller.

2. Intermediate blank centring device according to claim 1, characterized in that said adjustment module (4) comprises:

the fixing seat (41) is connected with the main frame (1), and an inner cavity of the fixing seat is provided with a sliding groove (411) extending along the length direction of the fixing seat (41);

the adjusting screw rod (42) is installed in the sliding groove (411) and is in threaded fit with two ends of the fixed seat (41), and one end of the adjusting screw rod (42) extends to the outer side of the fixed seat (41);

the centering driving source (43) is in driving connection with the tail end of the adjusting screw rod (42) extending to the outer side of the fixed seat (41);

a nut seat (44) which is in threaded fit with the adjusting screw rod (42) in the sliding groove (411); and

the adjusting block (45) is connected to the upper end of the nut seat (44) and is positioned above the fixed seat (41);

the adjusting block (45) penetrates through the main frame (1) and extends to the radial center line (Y) of the main driving roller.

3. The intermediate blank centering device according to claim 1 or 2, wherein the number of the adjusting modules (4) is two, and the adjusting modules are simultaneously disposed to be moved away from or close to the radial center line (Y) of the main driving roller at both sides of the main frame (1).

4. Intermediate blank centring device according to claim 1, characterized in that said lifting module (5) comprises:

the guide bar (51) is fixedly arranged in the vertical direction of the main frame (1);

the sliding block (52) is used for connecting the shaft end of the upper roller (3) and is in sliding fit with the guide bar (51);

a lifting driving source (53) fixedly arranged at the upper end of the main frame (1);

and one end of the lifting screw rod (54) is connected with the sliding block (52), and the other end of the lifting screw rod is in driving connection with the lifting driving source (53).

5. The intermediate billet centering device according to claim 1, further comprising an upper computer for inputting the parameters of the section size of the intermediate billet, a PLC controller for controlling the adjusting module and the lifting module, and a position sensor for detecting the size of the intermediate billet.

6. The intermediate blank centering device according to claim 1, wherein the main drive roller wheel (21) is installed on the main frame (1) by a main drive shaft (22), the main drive shaft (22) penetrates the main frame (1) and one end thereof is connected with a rotary drive source (24).

7. An intermediate blank centering device according to claim 1 or 6, characterized in that a conveying groove (25) for placing the intermediate blank is provided on the radial outer circumference of the main drive roller wheel (21), and the conveying groove (25) is adjacent to the radial center line (Y) of the main drive roller wheel.

8. An induction and heat-compensation assembly for rolled steel, comprising an induction and heat-compensation device (20) and an intermediate billet (10), characterized by further comprising an intermediate billet centering device according to claim 7, wherein the induction and heat-compensation device (20) is arranged at the side of the intermediate billet centering device, and the conveying groove (25) corresponds to an inner hole of the induction and heat-compensation device (20).