CN218502984U

CN218502984U - Continuous rolling mill lifting guide roller mechanism

Info

Publication number: CN218502984U
Application number: CN202222625810.9U
Authority: CN
Inventors: 薛明亮; 侯俊坤; 魏文升; 国伟军; 李栋; 来得志
Original assignee: Shandong Panjin Steel Tube Manufacturing Co ltd
Current assignee: Shandong Panjin Steel Tube Manufacturing Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-21
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a tandem mill lifting guide roller mechanism, which relates to the technical field of tandem mill devices and comprises a base and a sliding seat, wherein the inner side surface of the base is rotationally connected with one end of a supporting arm, the other end of the supporting arm is movably connected with the side surface of the sliding seat, the end part of the supporting arm is provided with an oil cylinder, and the top surface of the supporting arm is provided with a bracket; the utility model discloses seamless steel pipe can enter into the surface of deflector roll after deriving the tandem mill, the deflector roll plays the effect of support to the steel pipe, the condition of downwarping has been prevented to appear in the steel pipe, the stability of steel pipe transport has been increased, sliding seat and mount pad in the middle of the supporting mechanism can play the effect of support to the trailing arm, reduce the lasting atress of hydro-cylinder, increase the life of hydro-cylinder, ranging mechanism can measure the distance that the trailing arm rises and descends at every turn at the in-process of trailing arm work, the stability of trailing arm work has been guaranteed, the trailing arm has been prevented to rise not to the assigned position and has caused the condition of downwarping of steel pipe to appear.

Description

Continuous rolling mill lifting guide roller mechanism

Technical Field

The utility model relates to a tandem mill technical field especially relates to a tandem mill lift deflector roll mechanism.

Background

The seamless steel pipe is a steel pipe which is formed by punching a whole round steel, and has no welding line on the surface, and is called as a seamless steel pipe. According to the production method, the seamless steel tube can be divided into a hot-rolled seamless steel tube, a cold-drawn seamless steel tube, an extruded seamless steel tube, a jacking tube and the like, the seamless steel tube is divided into a round shape and a special shape according to the shape of a section, and the special-shaped tube has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a sunflower seed shape, a star shape and a finned tube;

in the production of seamless steel pipes, the separation of pierced billets from a continuous rolling mill to a pipe removing machine is a very important link, after the last frame of the continuous rolling mill finishes rolling, the head of the pierced billets are bent very commonly, the bending in the upper direction, the lower direction, the left direction and the right direction is possible, and the downward bending is only dangerous; therefore, it is necessary to design a lifting guide roller mechanism of a continuous rolling mill to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tandem mill lifting guide roller mechanism.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a tandem mill lift deflector roll mechanism, includes base and slide, the medial surface of base rotates the one end that is connected with the trailing arm, the other end swing joint of trailing arm is in the side of slide, the tip of trailing arm is provided with the hydro-cylinder, the top surface of trailing arm is provided with the support, the deflector roll is installed to the medial surface of support, one side bottom surface of trailing arm is provided with supporting mechanism, the opposite side bottom surface of trailing arm is provided with the guard box, the inside of guard box is provided with ranging mechanism.

Preferably, the supporting mechanism includes a supporting box, the supporting box is arranged below the bottom surface of the supporting arm, the inner side surface of the supporting box is connected with a sliding seat in a sliding mode, the top surface fixedly connected with supporting frame of the sliding seat is provided with a mounting seat between the opposite side surfaces of the supporting frame, the two side surfaces of the mounting seat are fixedly connected with fixing rods, the two side surfaces of the supporting frame are provided with fixing grooves and fixing rods, the fixing rods are located on the outer surface of the inner side surface of the fixing grooves in a sleeved mode and are provided with torsion springs, and two reset springs are arranged between the bottom surface of the sliding seat and the inner bottom surface of the supporting box.

Preferably, ranging mechanism includes drive gear, drive gear rotates the medial surface of connection at the guard box, the medial surface of guard box has the drive rack through guide rail sliding connection, the top surface and the tip swing joint that the guard box was run through on the top of drive rack have the connecting plate, be provided with supporting spring between the bottom surface of drive rack and the interior bottom surface of guard box, the side of guard box is provided with the electron and measures the range subassembly, be connected through the actuating lever between drive gear and the electron and measure the range subassembly.

Preferably, two the equal fixedly connected with limiting plate of surface of dead lever, two the spacing groove has all been seted up to the medial surface of fixed slot, the medial surface of mount pad is provided with two running rollers.

Preferably, the top surface of the connecting plate is attached to the bottom surface of the supporting arm, and the driving rack is in meshed connection with the transmission gear.

Preferably, a connecting block is movably connected to the side face of one end of the supporting arm, and the connecting block is connected to the side face of the sliding seat in a sliding mode.

The utility model discloses following beneficial effect has:

1. by arranging the guide roller and the supporting mechanism, the seamless steel pipe can enter the outer surface of the guide roller after being guided out of the continuous rolling mill, the guide roller can support the steel pipe, the steel pipe is prevented from being bent downwards, the conveying stability of the steel pipe is improved, the sliding seat and the mounting seat in the supporting mechanism can support the supporting arm, the continuous stress of the oil cylinder is reduced, and the service life of the oil cylinder is prolonged;

2. through setting up ranging mechanism, ranging mechanism can measure the distance that the trailing arm rises and descends at every turn lift in-process at the in-process of trailing arm work, has guaranteed the stability of trailing arm work, has prevented that the trailing arm from rising not to the assigned position and causing the condition of steel pipe downwarping to appear.

Drawings

Fig. 1 is a schematic structural view of a main body of a tandem mill lifting guide roller mechanism provided by the present invention;

fig. 2 is a schematic structural view of a supporting mechanism of a tandem mill lifting guide roller mechanism provided by the present invention;

fig. 3 is a schematic structural view of a part a of fig. 2 of a tandem mill lifting guide roller mechanism provided by the present invention;

fig. 4 is a schematic view of the internal structure of a protective box of a tandem mill lifting guide roller mechanism provided by the present invention;

in the figure: 1. an oil cylinder; 2. a supporting arm; 3. a base; 4. a guide roller; 5. a support; 6. a slide base; 7. a support mechanism; 71. a support box; 72. a sliding seat; 73. a support frame; 74. a mounting seat; 75. fixing the rod; 76. a torsion spring; 77. fixing grooves; 78. a return spring; 8. a protective box; 9. a distance measuring mechanism; 91. a transmission gear; 92. a drive rack; 93. a connecting plate; 94. a support spring; 95. an electronic ranging assembly; 10. a limiting plate; 11. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a tandem mill lifting guide roller mechanism comprises a base 3 and a sliding seat 6, wherein the inner side surface of the base 3 is rotatably connected with one end of a supporting arm 2, the other end of the supporting arm 2 is movably connected with the side surface of the sliding seat 6, the side surface of one end of the supporting arm 2 is movably connected with a connecting block, the connecting block is slidably connected with the side surface of the sliding seat 6, the end part of the supporting arm 2 is provided with an oil cylinder 1, the top surface of the supporting arm 2 is provided with a bracket 5, the inner side surface of the bracket 5 is provided with a guide roller 4, a seamless steel pipe can enter the outer surface of the guide roller 4 after being led out of the tandem mill, the guide roller 4 plays a supporting role for the steel pipe, the steel pipe is prevented from being bent downwards, the stability of steel pipe conveying is increased, the bottom surface of one side of the supporting arm 2 is provided with a supporting mechanism 7, the supporting mechanism 7 comprises a supporting box 71, the supporting box 71 is arranged below the bottom surface of the supporting arm 2, the inner side surface of the supporting box 71 is slidably connected with a sliding seat 72, the top surface of the sliding seat 72 is fixedly connected with a supporting frame 73, a mounting seat 74 is arranged between opposite side surfaces of the supporting frame 73, two rollers are arranged on the inner side surface of the mounting seat 74, fixing rods 75 are fixedly connected with both side surfaces of the mounting seat 74, a limiting plate 10 is fixedly connected with the outer surface of each fixing rod 75, both side surfaces of the supporting frame 73 are respectively provided with a fixing groove 77, the inner side surfaces of the two fixing grooves 77 are respectively provided with a limiting groove 11, the outer surfaces of the two fixing rods 75 positioned on the inner side surfaces of the fixing grooves 77 are sleeved with a torsion spring 76, two return springs 78 are arranged between the bottom surface of the sliding seat 72 and the inner bottom surface of the supporting box 71, the sliding seat 72 and the mounting seat 74 in the supporting mechanism 7 can play a supporting role on the supporting arm 2, the continuous stress of the oil cylinder 1 is reduced, the service life of the oil cylinder 1 is prolonged, a protecting box 8 is arranged on the other side surface of the supporting arm 2, the inside of guard box 8 is provided with ranging mechanism 9, ranging mechanism 9 includes drive gear 91, drive gear 91 rotates the medial surface of connection at guard box 8, the medial surface of guard box 8 has drive rack 92 through guide rail sliding connection, the meshing is connected between drive rack 92 and the drive gear 91, the top of drive rack 92 runs through the top surface of guard box 8 and tip swing joint has connecting plate 93, the top surface of connecting plate 93 laminates with the bottom surface of trailing arm 2, be provided with supporting spring 94 between the bottom surface of drive rack 92 and the interior bottom surface of guard box 8, the side of guard box 8 is provided with electronic ranging subassembly 95, be connected through the actuating lever between drive gear 91 and the electronic ranging subassembly 95, ranging mechanism 9 can measure the ascending distance with the decline of trailing arm 2 at every lift in-process at the in-process of trailing arm 2 work, the stability of trailing arm 2 work has been guaranteed, the condition that trailing arm 2 can not rise to the assigned position and cause the steel pipe downwarping to appear.

The utility model discloses a concrete theory of operation as follows:

when the device is used, firstly, when a seamless steel pipe is led out from a continuous rolling mill, the oil cylinder 1 is started through the controller to shorten, and as one end of the support arm 2 is rotatably connected to the inner side surface of the base 3 and the other end of the support arm is movably connected to the side surface of the sliding seat 6, the oil cylinder 1 can drive the support arm 2 to rotate along the connecting shaft of the base 3 after being shortened, so that the guide roller 4 is lifted, the seamless steel pipe can enter the outer surface of the guide roller 4 after being led out from the continuous rolling mill, the guide roller 4 plays a role in supporting the steel pipe, the condition that the steel pipe is bent downwards is prevented, and the stability of steel pipe conveying is increased;

the method comprises the following steps that the oil cylinder 1 extends to enable a supporting arm 2 to rotate and descend along with the completion of the conveying of a steel pipe, the self weight of the supporting arm 2 is large, if the supporting arm 2 is suspended for a long time, certain influence can be brought to the service life of the oil cylinder 1, the supporting arm 2 can be in contact with two rollers in an installation seat 74 firstly in the process of descending to an initial position, a supporting frame 73 can be driven to descend through the rollers when the supporting arm 2 continues to rotate and descend, the installation seat 74 can rotate along with the supporting arm 2 under the action of a fixing rod 75 and a fixing groove 77, the outer surfaces of the two rollers can be always attached to the supporting arm 2, after the supporting arm 2 descends to the initial position, a sliding seat 72 and the installation seat 74 can play a supporting role on the supporting arm 2, the continuous stress of the oil cylinder 1 is reduced, the service life of the oil cylinder 1 is prolonged, the installation seat 74 can be guaranteed to reset after being separated from the supporting arm 2 under the action of a torsion spring 76, the rollers can be attached to the supporting arm 2 in the next work, the use of a limiting plate 10 and a limiting groove 11 limits the rotation range of the installation seat 74, and the installation seat 74 is guaranteed not to be too large rotation range;

in the process of lifting the supporting arm 2, the connecting plate 93 is always attached to the bottom surface of the supporting arm 2 under the action of the supporting spring 94, the connecting plate 93 and the driving rack 92 move along with the supporting arm 2, the driving rack 92 can drive the transmission gear 91 to rotate, the transmission gear 91 rotates to drive the ranging wheel of the electronic ranging assembly 95 to rotate, the ascending and descending distance of the supporting arm 2 in the lifting process at each time can be measured, the working stability of the supporting arm 2 is ensured, and the situation that the steel pipe is bent downwards due to the fact that the supporting arm 2 cannot ascend to a specified position is prevented.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tandem mill lift deflector roll mechanism, includes base (3) and slide (6), its characterized in that, the medial surface of base (3) rotates the one end that is connected with trailing arm (2), the other end swing joint of trailing arm (2) is in the side of slide (6), the tip of trailing arm (2) is provided with hydro-cylinder (1), the top surface of trailing arm (2) is provided with support (5), deflector roll (4) are installed to the medial surface of support (5), one side bottom surface of trailing arm (2) is provided with supporting mechanism (7), the opposite side bottom surface of trailing arm (2) is provided with protecting box (8), the inside of protecting box (8) is provided with ranging mechanism (9).

2. The tandem mill lifting guide roller mechanism as claimed in claim 1, wherein the support mechanism (7) comprises a support box (71), the support box (71) is arranged below the bottom surface of the supporting arm (2), the inner side surface of the support box (71) is slidably connected with a sliding seat (72), the top surface of the sliding seat (72) is fixedly connected with a support frame (73), a mounting seat (74) is arranged between the opposite side surfaces of the support frame (73), fixing rods (75) are fixedly connected with both side surfaces of the mounting seat (74), fixing grooves (77) are formed in both side surfaces of the support frame (73), torsion springs (76) are sleeved on the outer surface of the two fixing rods (75) on the inner side surface of the fixing grooves (77), and two reset springs (78) are arranged between the bottom surface of the sliding seat (72) and the inner bottom surface of the support box (71).

3. The tandem mill lifting guide roller mechanism is characterized in that the distance measuring mechanism (9) comprises a transmission gear (91), the transmission gear (91) is rotatably connected to the inner side surface of the protection box (8), the inner side surface of the protection box (8) is slidably connected with a driving rack (92) through a guide rail, the top end of the driving rack (92) penetrates through the top surface of the protection box (8), the end part of the driving rack is movably connected with a connecting plate (93), a supporting spring (94) is arranged between the bottom surface of the driving rack (92) and the inner bottom surface of the protection box (8), an electronic distance measuring assembly (95) is arranged on the side surface of the protection box (8), and the transmission gear (91) is connected with the electronic distance measuring assembly (95) through a driving rod.

4. The lifting guide roller mechanism of the continuous rolling mill as claimed in claim 2, wherein the outer surfaces of the two fixing rods (75) are fixedly connected with limit plates (10), the inner side surfaces of the two fixing grooves (77) are respectively provided with limit grooves (11), and the inner side surface of the mounting seat (74) is provided with two rollers.

5. The elevating guide roller mechanism of the continuous rolling mill as set forth in claim 3 characterized in that the top surface of the connecting plate (93) is attached to the bottom surface of the supporting arm (2), and the driving rack (92) is engaged with the transmission gear (91).

6. A lifting guide roller mechanism of a continuous rolling mill as claimed in claim 1, characterized in that the side of one end of the supporting arm (2) is movably connected with a connecting block, and the connecting block is connected with the side of the sliding seat (6) in a sliding way.