CN216937781U

CN216937781U - Clamping and conveying straightening machine capable of automatically centering

Info

Publication number: CN216937781U
Application number: CN202220747061.4U
Authority: CN
Inventors: 陈亮; 王纪红; 李文喜
Original assignee: Xiangyang Boya Precision Industrial Machinery Co ltd
Current assignee: Xiangyang Boya Precision Industrial Machinery Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-12
Anticipated expiration: 2032-04-02

Abstract

A pinch straightener capable of automatically centering is used for automatically centering when a strip steel is pinched by the straightener. A first oil cylinder fixed on the straightening machine frame drives the upper pinch roll to move up and down, and a second oil cylinder, a turbine and a screw rod drive the upper straightening roll to move up and down; the frame of the straightener is connected with the base in a floating way, and a sensor and a control system are arranged on the outlet side of the base. The straightening machine frame is connected with the base in a floating mode, when the strip steel deviates in the straightening process, the sensor transmits deviation data to the control system, the control system transmits an adjustment signal to the servo oil cylinder, the servo oil cylinder can drive the straightening machine frame to perform corresponding adjustment above the base, the strip steel can be automatically centered under the clamping effect of the pinch roll and the straightening roll when the straightening machine straightens the strip steel, the automatic deviation rectifying function is achieved, a deviation rectifying device does not need to be additionally arranged, the strip steel is not damaged, the automation degree is high, and the deviation rectifying effect is obvious.

Description

Clamping and conveying straightening machine capable of automatically centering

Technical Field

The utility model relates to the technical field of steel rolling equipment, in particular to a clamping and conveying straightener capable of automatically centering.

Background

In a strip steel continuous finishing unit, the deviation of strip steel is inevitable. The deviation is mainly caused by factors such as plate shape defects, equipment processing and mounting precision, roll surface shape, strip steel tension control and the like. For this purpose, several sets of automatic deviation-correcting devices are usually provided at important locations of a large continuous strip finishing train.

When the plate shape quality is poor, the deviation problem of the strip steel passing through the straightening machine is a difficult problem in the production process. When the straightening machine works, the biting force on the strip steel is very large, and the strip steel is very difficult to center only by a deviation correcting device at the inlet side or the outlet side of the straightening machine, so that the deviation correcting rollers rub the edge of the strip steel, and the strip steel is easily damaged.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a pinch straightener capable of automatically centering so as to realize automatic centering of strip steel.

In order to realize the aim, an upper pinch roll, a lower pinch roll, an upper straightening roll and a lower straightening roll are arranged in a straightening machine frame, a first oil cylinder fixed on the straightening machine frame drives the upper pinch roll to move up and down, and a second oil cylinder, a turbine and a screw rod fixed on the straightening machine frame drive the upper straightening roll to move up and down; the straightening machine frame is connected with the base in a floating mode, the servo oil cylinder and the linear guide rail are arranged on the base, the straightening machine frame is connected with the base through the linear guide rail, and the servo oil cylinder drives the straightening machine frame to do linear reciprocating motion above the base.

Two front guide plate tables in the straightening machine frame are respectively arranged between the rear end of the upper pinch roll and the front end of the upper straightening roll and between the rear end of the lower pinch roll and the front end of the lower straightening roll, and the guide plate tables are arranged at the rear end of the lower straightening roll.

A shovel plate and a press roller are arranged at the front end of the straightening machine frame, the cylinder end of a third oil cylinder is connected with the straightening machine frame, the end of a piston rod is connected with one end of the shovel plate, and the shovel plate swings under the action of the third oil cylinder; and the cylinder end of the oil cylinder IV is connected with the frame of the straightening machine, the piston rod end is connected with one end of the compression roller, and the compression roller swings under the action of the oil cylinder IV.

The main motor on the straightening machine frame is respectively connected with the upper straightening roll and the lower straightening roll through a reduction gearbox, a first coupler, a gear distribution box and a second coupler; the speed reducing motor is connected with the screw rod through the turbine.

And a second speed reducing motor on the straightening machine frame is connected with the lower pinch roll through a third coupler.

And a protective cover is arranged between the straightening machine frame and the gear distribution box.

The outlet side of base is equipped with electric support, and electric support is located the both ends of deflector platform, is equipped with sensor and control system on the electric support.

Compared with the prior art, the straightening machine has the most obvious characteristics that a rack of the straightening machine is in floating connection with a base, when the strip steel deviates in the straightening process, a sensor transmits deviation data to a control system, the control system transmits an adjustment signal to a servo oil cylinder, and the servo oil cylinder can drive the rack of the straightening machine to perform corresponding adjustment above the base.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Detailed Description

As shown in FIGS. 1, 2 and 3, an upper pinch roll 3, a lower pinch roll 17, an upper straightening roll 9 and a lower straightening roll 12 are arranged in a straightening machine frame 25 of the utility model; the first oil cylinder 5 fixed on the straightening machine frame 25 can drive the upper pinch roll 3 to move up and down, the second speed reducing motor 26 on the straightening machine frame 25 is connected with the lower pinch roll 17 through the third coupler 27, the second speed reducing motor 26 drives the lower pinch roll 17 to rotate, when the first oil cylinder 5 drives the upper pinch roll 3 to move down, under the interaction of the upper pinch roll 3 and the lower pinch roll 17, the upper pinch roll 3 and the lower pinch roll 17 clamp the strip steel 10 to convey forwards, and the strip steel 10 enters between the upper straightening roll 9 and the lower straightening roll 12 through the front guide plate table 16; the second oil cylinder 6, the turbine 8 and the screw 7 which are fixed on the straightening machine frame 25 can drive the upper straightening roller 9 to move up and down, the main motor 20 on the straightening machine frame 25 is respectively connected with the upper straightening roller 9 and the lower straightening roller 12 through the reduction gearbox 29, the first coupler 21, the gear distribution box 22 and the second coupler 23, the main motor 20 drives the upper straightening roller 9 and the lower straightening roller 12 to rotate through the gear distribution box 22, the first coupler 21 and the second coupler 23, when the second oil cylinder 6 drives the upper straightening roller 9 to move down, the plate shape defects of the strip steel 10 are eliminated under the combined action of the upper straightening roller 9 and the lower straightening roller 12, the first reducing motor 24 is connected with the screw 7 through the turbine 8, and the first reducing motor 24 can drive the turbine 8 and the screw 7, so that the pressing amount of the upper straightening roller 9 can be finely adjusted; the straightening machine frame 25 is connected with the base 14 in a floating mode, the servo oil cylinder 15 and the linear guide rail 13 are arranged on the base 14, the straightening machine frame 25 is connected with the base 14 through the linear guide rail 13, and the servo oil cylinder 15 drives the straightening machine frame 25 to do linear reciprocating motion above the base 14; an electric bracket 32 is arranged on the outlet side of the base 14, the electric bracket 32 is positioned at two ends of the guide plate table 11, a sensor 30 and a control system 31 are arranged on the electric bracket 32, when the strip steel 10 deviates in the straightening process, the sensor 30 transmits deviation data to the control system 31, the control system 31 transmits an adjustment signal to a servo oil cylinder 15, and the servo oil cylinder 15 can drive the straightener frame 25 to perform corresponding adjustment above the base 14, so that the strip steel 10 is automatically centered under the common clamping action of the upper pinch roll 3, the lower pinch roll 17, the upper straightening roll 9 and the lower straightening roll 12, and the automatic deviation rectifying function is realized; two front guide plate tables 16 in a straightening machine frame 25 are respectively arranged between the rear end of the upper pinch roll 3 and the front end of the upper straightening roll 9 and between the rear end of the lower pinch roll 17 and the front end of the lower straightening roll 12, and a guide plate table 11 is arranged at the rear end of the lower straightening roll 12; the front end of the straightening machine frame 25 is provided with a shovel plate 1 and a press roller 2, the cylinder end of the oil cylinder III 18 is connected with the straightening machine frame 25, the piston rod end is connected with one end of the shovel plate 1, and the shovel plate 1 swings under the action of the oil cylinder III 18; the cylinder end of the oil cylinder IV 4 is connected with the straightening machine frame 25, the piston rod end is connected with one end of the press roll 2, and the press roll 2 swings under the action of the oil cylinder IV 4; a protective cover 28 is arranged between the gear distribution box 22 and the straightening machine frame 25 to protect the second coupler 23.

The working process of the utility model is as follows:

(a) the third oil cylinder 18 acts to enable the shovel plate 1 to be close to the steel coil 19, and the strip steel 10 enters the interior of the straightening machine frame 25 under the combined action of the shovel plate 1 and the press roller 2;

(b) the first oil cylinder 5 drives the upper pinch roll 3 to move downwards, the upper pinch roll 3 and the lower pinch roll 17 clamp the strip steel 10, the second speed reducing motor 26 drives the lower pinch roll 17 to rotate through the third coupler 27, and the strip steel 10 enters a space between the straightening roll 9 and the lower straightening roll 12 through the front guide plate table 16;

(c) the second oil cylinder 6 drives the upper straightening roller 9 to move downwards, the main motor 20 drives the upper straightening roller 9 and the lower straightening roller 12 to rotate through the reduction gearbox 29, the first coupling 21, the gear distribution box 22 and the second coupling 23, the first reduction motor 24 drives the turbine 8 and the screw rod 7, the fine adjustment of the pressing amount of the upper straightening roller 9 can be realized, under the combined action of the upper straightening roller 9 and the lower straightening roller 12, the plate shape defect of the strip steel 10 is eliminated, and the strip steel 10 penetrates out of the interior of the straightening machine frame 25 through the rear guide plate table 11 and reaches an outlet;

(d) when the strip steel 10 deviates in the straightening process, the sensor 30 transmits deviation data to the control system 31, the control system 31 transmits an adjustment signal to the servo oil cylinder 15, and the servo oil cylinder 15 can drive the straightening machine frame 25 to perform corresponding adjustment above the base 14, so that the strip steel 10 is automatically centered under the common clamping action of the upper pinch roll 3, the lower pinch roll 17, the upper straightening roll 9 and the lower straightening roll 12, and the automatic deviation rectifying function is realized.

Claims

1. The utility model provides a but straightening machine is sent to clamp of automatic centering which characterized in that: an upper pinch roll (3), a lower pinch roll (17), an upper straightening roll (9) and a lower straightening roll (12) are arranged in a straightening machine frame (25), a first oil cylinder (5) fixed on the straightening machine frame (25) drives the upper pinch roll (3) to move up and down, and a second oil cylinder (6), a turbine (8) and a screw rod (7) fixed on the straightening machine frame (25) drive the upper straightening roll (9) to move up and down; the straightening machine frame (25) is connected with the base (14) in a floating mode, the base (14) is provided with the servo oil cylinder (15) and the linear guide rail (13), the straightening machine frame (25) is connected with the base (14) through the linear guide rail (13), and the servo oil cylinder (15) drives the straightening machine frame (25) to do linear reciprocating motion above the base (14).

2. The automatically centering pinch straightener of claim 1, wherein: two front guide plate tables (16) in the straightening machine frame (25) are respectively arranged between the rear end of the upper pinch roll (3) and the front end of the upper straightening roll (9) and between the rear end of the lower pinch roll (17) and the front end of the lower straightening roll (12), and the guide plate table (11) is arranged at the rear end of the lower straightening roll (12).

3. The automatically centering pinch straightener of claim 1, wherein: a shovel plate (1) and a press roller (2) are arranged at the front end of the straightening machine frame (25), the cylinder end of the third oil cylinder (18) is connected with the straightening machine frame (25), the piston rod end is connected with one end of the shovel plate (1), and the shovel plate (1) swings under the action of the third oil cylinder (18); the cylinder end of the oil cylinder four (4) is connected with the straightening machine frame (25), the piston rod end is connected with one end of the press roll (2), and the press roll (2) swings under the action of the oil cylinder four (4).

4. The automatically centering pinch straightener of claim 1, wherein: a main motor (20) on the straightening machine frame (25) is respectively connected with the upper straightening roll (9) and the lower straightening roll (12) through a reduction gearbox (29), a first coupler (21), a gear distribution box (22) and a second coupler (23); the first speed reducing motor (24) is connected with the screw rod (7) through the turbine (8).

5. The automatically centering pinch straightener of claim 1, wherein: and a second speed reducing motor (26) on the straightening machine frame (25) is connected with the lower pinch roll (17) through a third coupler (27).

6. The automatically centering pinch straightener of claim 1, wherein: and a protective cover (28) is arranged between the straightening machine frame (25) and the gear distribution box (22).

7. The automatically centering pinch straightener of claim 1, wherein: the outlet side of base (14) is equipped with electric support (32), and electric support (32) are located the both ends of saddle (11), are equipped with sensor (30) and control system (31) on electric support (32).