CN117444007A

CN117444007A - Positive and negative bending plate bending machine device for adding thick plate and use method

Info

Publication number: CN117444007A
Application number: CN202311743685.4A
Authority: CN
Inventors: 王震; 张珂
Original assignee: Tai'an Hualu Forging Industrial Control Technology Co ltd
Current assignee: Tai'an Hualu Forging Industrial Control Technology Co ltd
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-01-26

Abstract

The invention discloses a positive and negative bending plate bending machine device for a plate-added material, which comprises a frame, an upper roller back pressure device, a left swing frame and a right swing frame, wherein the upper roller back pressure device is used for controlling deflection deformation of an upper roller during plate bending, the left swing frame and the right swing frame are respectively connected with a left roller and a right roller, the left swing frame and the right swing frame are respectively used for adjusting the heights of the left roller and the right roller and the distance between the left roller and a lower roller, and a curvature detector is arranged on the frame and positioned between the upper roller device and the lower roller. According to the invention, through the frame and the lower roller, the power roller body of the thick plate is supported; through the upper roller assembly, the lower pressing bending forming of the thick plate is realized; the swing supporting bending forming of the thick plate is realized through the right roller assembly and the left roller assembly; the technical problem that the lower roller in the prior art is insufficient in power, so that the bending forming of the thin plate can only be completed is solved, and the bending forming device is suitable for bending forming of the thick plate.

Description

Positive and negative bending plate bending machine device for adding thick plate and use method

Technical Field

The invention relates to the technical field of plate bending machines, in particular to a plate bending machine device for positive and negative bending of a plate material and a use method.

Background

The bending machine is a device for bending and forming a sheet material by using a working roll, and is a very important processing device capable of forming parts with different shapes such as a cylindrical part, a conical part and the like, so that the positive and negative bending machine device is an important machining device, in the conventional positive and negative bending machine device, in order to be suitable for bending and forming a thin sheet material, the upper roll is used as a reference, a lower roll and a left side roll and a right side roll are arranged in a position adjusting state, so that the bending and forming of the thin sheet material are completed, and the bending force generated by the thin sheet material is derived from the lifting force of the lower roll, if the lifting power is insufficient, the thicker sheet material cannot be bent, and the applicability is not high.

Disclosure of Invention

The invention aims to provide a positive and negative bending plate bending machine device for thickened plates and a using method.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a positive and negative bending veneer reeling machine device of add thick plate material, includes the frame, and the conveying roller that is used for carrying the panel is installed to frame one side, installs on the frame according to the lower roll that produces overhead, the bending formation of pushing down and left and right bending effort to add thick plate material, goes up roller device, left side roller and right side roller, still includes roller back pressure device, left swing frame and right swing frame, left side roller and right side roller are located the lower roll both sides respectively, it is located the lower roll top to go up roller device, go up roller back pressure device and last roller device and be connected, go up roller back pressure device and be used for controlling the deflection deformation of roller device when rolling up roller back pressure device, but go up roller back pressure device fore-and-aft deflection angle, left swing frame and right swing frame are connected with left side roller and right side roller respectively, and left swing frame and right swing frame are used for adjusting the height of left side roller and right side roller and the distance between lower roll respectively, are located the position between roller device and the lower roll in the frame and install the curvature detector.

Preferably, the frame includes seat, baffle portion and frame portion, baffle portion fixed mounting is in the front side of seat, the seat trailing flank be with the inner end fixed connection of frame portion, the lower roll rotates to be installed at the seat upper middle part, and the lower roll passes through motor drive and rotates, right swing frame and left swing frame rotate respectively and install at seat trailing flank both ends position, one of them side of up end of seat is connected with the cover body, the conveying roller rotates and installs at frame portion up end, and the baffle shaft is still rotated to the frame plate up end, the up end lateral part of frame portion installs the flexible jar of swing through the round pin axle, the upper roller back pressure device is installed between baffle portion and seat, the seat is word frame construction, the baffle portion is double-deck ear seat structure, the frame portion is trapezoidal frame form structure.

Preferably, the upper roller device comprises a roller part, an upper seat part, an ear part and a lower seat part, wherein the upper seat part is of a -shaped structure, the roller part is rotatably arranged in an opening at the lower end of the upper seat part, the end head of the roller part movably penetrates through the lower seat part, a plurality of ear parts are fixedly arranged at the inner top of the opening of the upper seat part, a pressing wheel in rolling contact with the roller part is rotatably arranged at the ear part, the lower end of the lower seat part is movably hinged with a guide plate part through a pin shaft, the front end face of the lower seat part is connected with an upper roller back pressure device, and the ear part is of a double-plate ear seat structure.

Preferably, the left swing frame and the right swing frame are of -shaped rod-shaped structures, the upper end of the left swing frame is rotationally connected with the left roller, the end head of the longitudinal part of the lower end of the left swing frame is rotationally connected with the frame, the end head of the telescopic cylinder on the left swing frame is provided with the telescopic cylinder for deflecting the left swing frame through a pin shaft, and the piston end of the telescopic cylinder is connected with the left swing frame through the pin shaft; the upper end of the right swing frame is opened and is rotationally connected with the right roller, the end head of the lower end longitudinal part of the right swing frame is rotationally connected with the frame, and the end head of the telescopic cylinder positioned on the right swing frame is connected with the frame through a pin shaft.

Preferably, the peripheral side face part of the material blocking shaft is provided with a plate, the end of the material blocking shaft is provided with a swinging arm, the swinging arm is rotationally connected with the frame, the frame is movably hinged with a swinging telescopic cylinder, an output shaft of the swinging telescopic cylinder is connected with the swinging arm through a pin shaft, and the swinging telescopic cylinder is a two-section telescopic cylinder.

Preferably, a transparent window is arranged on one side of the cover body, a sliding window is arranged on the other side of the cover body, the outer end face of the transparent window of the cover body is connected with the frame, the inclined part of the transparent window of the cover body is connected with a curvature detector, and the curvature detector is a laser curved surface measuring instrument.

Preferably, right bracket and left bracket are installed respectively to the frame both sides, rotate on the right bracket and install a plurality of right-turn rolls, fixed mounting has a plurality of power lead screws on the right bracket, and one lead screw end of power lead screw is connected with another lead screw end of first roller power lead screw and is connected with the second roller, and slidable mounting has the movable frame on the right bracket, and the power supply is installed to movable frame one end, and the friction pulley of power supply is connected with right bracket contact type, be equipped with the clamp plate on the movable frame, and the rocking beam is installed through the round pin axle to one of them end portion of clamp plate, movable frame upper portion one side movable hinge installs the thrust telescopic cylinder, rocking beam one end is connected through round pin axle and thrust telescopic cylinder one end, and the middle part of rocking beam and the other end of thrust telescopic cylinder are connected through the round pin axle and movable frame, the power lead screw is the double-end ball that has driving motor, first roller and second roller are the integrated body that has a rotary drum and built-in axle, and second roller's built-in axle end are connected with the movable frame respectively, and the movable frame is a set of square roller, the power supply is arranged along the right side-turn beam is a bracket, the right side-turn beam is connected with the right bracket, and is equipped with a square roller set of a square structure, the power supply is arranged along the right side of the movable frame, the right roller is connected with the right bracket is the right side of the right bracket, the right bracket is equipped with the right side.

Preferably, a plurality of left-turn rollers are rotatably arranged on the upper end face of the left bracket, an upper bracket is arranged on the outer side of the lower end of the left bracket through a pin shaft, a lifting telescopic cylinder is fixedly arranged on the lower portion of the upper bracket, a base is fixedly arranged on the bottom of the lifting telescopic cylinder, and the upper bracket is of a -shaped block structure.

The application method of the positive and negative bending plate bending machine device for the plate material is characterized by comprising the following steps of:

according to the thickened plate, a driving motor of an upper roller counter-pressure device is in a working state, a lower seat part is driven to move up and down on a guide plate part through the upper roller counter-pressure device, the distance between a roller part and the lower roller is adjusted, a lower end longitudinal end of a right swinging frame rotates on the seat part through a telescopic cylinder positioned on the right swinging frame, the distance between a right roller and the lower roller is adjusted, the height of the right roller is adjusted, the lower end longitudinal end of the left swinging frame rotates on the seat part through the telescopic cylinder positioned on the left swinging frame, the distance between the left roller and the lower roller is adjusted, the height of the left roller is adjusted, the driving motor positioned on the lower roller is in a working state, the lower roller is driven to rotate on the seat part, the swinging telescopic cylinder is in a contracted state, a material blocking shaft swings on the seat part, the method comprises the steps that a plate sheet of a material blocking shaft is in a transverse state, a thick plate material is placed on a conveying roller, the inner end of the thick plate material is placed between a roller part and a lower roller, a sliding window of a cover plate is in an open state, a vertical part of an upper seat part swings at the end of the roller part, a right roller acts on the upper end face of the thick plate material, the thick plate material moves between the roller part and the lower roller, the right roller is above the plate material, a left roller ascends to roll a positive curvature circular arc, the right roller downwards rolls to roll a reverse curvature circular arc, the thick plate material is subjected to curve rolling forming, a curvature detector is used for carrying out curved surface on-line measurement on the curved thick plate material formed by curve rolling, when a driving motor positioned on the lower roller is in a non-working state, a swinging telescopic cylinder is in an extending state, and the material blocking shaft swings in the opposite direction on the seat part, so that the plate sheet of the material blocking shaft is in a vertical state;

placing the thick plate material on a right rotating roller, enabling a driving motor of a power screw to be in a working state, enabling a double-end ball screw of the power screw to synchronously stretch and retract, enabling a rotating cylinder of a first rotating roller and a rotating cylinder of a second rotating roller to respectively act on side parts of the thick plate material, realizing centering treatment on the thick plate material on a right bracket, enabling a thrust telescopic cylinder to be in an extending state, driving a swinging beam to swing on a moving frame, enabling a pressing plate to swing downwards on the moving frame through the swinging beam, enabling the thrust telescopic cylinder to be in a contracting state, driving the swinging beam to swing reversely on the moving frame, enabling the pressing plate to swing upwards on the moving frame through the swinging beam, enabling a pressing plate to be separated from the thick plate material on the right bracket, enabling a power source to be in a working state, driving a friction wheel to rotate, enabling the friction wheel of the power source to act on an I-shaped beam of the right bracket, and driving the moving frame to move transversely on the right bracket;

the bent thick plate material moves on the left rotating roller, so that the bent thick plate material is discharged, the lifting telescopic cylinder stretches and contracts, the upper bracket is driven to lift, and the height of the left rotating roller is adjusted.

Compared with the prior art, the invention has the advantages that:

according to the invention, through the frame and the lower roller, the power roller body of the thick plate is supported; through the upper roller assembly, the lower pressing bending forming of the thick plate is realized; the swing supporting bending forming of the thick plate is realized through the right roller assembly and the left roller assembly; therefore, the upper bending acting force and the left bending acting force are generated on the thick plate, the technical problem that the lower roller in the prior art is insufficient in power, and the thin plate can only be bent, and the bending device is suitable for bending the thick plate.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of a positive and negative bending veneer reeling machine device for adding thick veneer in the invention;

FIG. 2 is a block diagram of a frame of the present invention;

FIG. 3 is a block diagram of the right bracket of the present invention;

fig. 4 is a structural view of the left bracket of the present invention.

Description of the embodiments

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.

Referring to fig. 1-4, the invention provides a positive and negative bending plate bending machine device for thickening plates, comprising a frame 1, wherein one side of the frame 1 is provided with a conveying roller 9 for conveying the plates, the frame 1 is provided with a lower roller 2, an upper roller device 3, a left roller 4 and a right roller 5 which generate upper, lower bending forming and left and right bending acting forces on the thickening plates, the frame 1 and the lower roller 2 realize the power roller body support of the thickening plates, the upper roller device 3 realizes the lower bending forming of the thickening plates, the left roller 4 and the right roller 5 realize the swinging support bending forming of the thickening plates, the left roller back pressure device 8, the left swinging frame 7 and the right swinging frame 6 are respectively positioned at two sides of the lower roller 2, the upper roller device 3 is located the lower roll 2 top, upper roller back pressure device 8 is connected with upper roller device 3, and upper roller back pressure device 3 is used for controlling the deflection deformation of upper roller device 3 when rolling up, and upper roller back pressure device 8 can back-and-forth deflection angle, and convenient minor diameter cylinder coiling prevents to interfere, left side swing frame 7 and right swing frame 6 are connected with left side roller 4 and right side roller 5 respectively, and left side swing frame 7 and right swing frame 6 are used for adjusting the height of left side roller 4 and right side roller 5 respectively and with the distance between the lower roll 2 respectively, can produce overhead and left and right bending force to the thick plate material, and its position can be adjusted, has satisfied the state requirement of the bending of thickening plate material, in order to conveniently detect the panel shaping state, is located the position between upper roller device 3 and the lower roll 2 on the frame 1 and installs curvature detector 93.

Further, in this embodiment, the frame 1 includes a seat 11, a guide plate portion 12 and a frame portion 13, the guide plate portion 12 is fixedly mounted on a front side of the seat 11, a rear side surface of the seat 11 is fixedly connected with an inner end of the frame portion 13, the lower roller 2 is rotatably mounted on an upper middle portion of the seat 11, the lower roller 2 is driven to rotate by a motor, the right swing frame 6 and the left swing frame 7 are rotatably mounted at two end portions of the rear side surface of the seat 11, one side portion of an upper end surface of the seat 11 is connected with a cover 94, and the conveying roller 9 is rotatably mounted on an upper end surface of the frame portion 13;

for realizing blocking the panel of processing, the frame plate 13 up end still rotates and installs keeps off the material axle 91, the up end lateral part of frame 13 installs the flexible jar 92 of swing through the round pin axle, and the flexible jar 92 of swing steerable keeps off the rotation of material axle 91, blocks the panel, guarantees the stability when panel processing, go up roller back pressure device 8 and install between baffle portion 12 and seat 11, seat 11 is word column frame structure, baffle portion 12 is two-plate ear seat structure, frame portion 13 is trapezoidal column frame structure.

Further, in this embodiment, the upper roller device 3 includes a roller portion 31, an upper seat portion 32, an ear portion 34 and a lower seat portion 35, the upper seat portion 32 is in a -shaped structure, the roller portion 31 is rotatably mounted in an opening at the lower end of the upper seat portion 32, the end of the roller portion 31 movably penetrates through the lower seat portion 35, a plurality of ear portions 34 are fixedly mounted at the top in the opening of the upper seat portion 32, a pinch roller 33 in rolling contact with the roller portion 31 is rotatably mounted in the ear portion 34, so that the roller body is subjected to downward bending and forming, the pinch roller portion 33 realizes local expansion acting force on a thick plate material, the forming quality of the thick plate material is improved, the lower end of the lower seat portion 35 is movably hinged with the guide plate portion 12 through a pin shaft, the front end face of the lower seat portion 35 is connected with the upper roller back pressure device 8, and the ear portion 34 is in a double-plate ear seat structure.

In this embodiment, the left swing frame 7 and the right swing frame 6 are both rod-shaped structures, the upper end of the left swing frame 7 is rotationally connected with the left roller 5, the lower end longitudinal end of the left swing frame 7 is rotationally connected with the frame 1, the end of the telescopic cylinder on the left swing frame 7 is provided with a telescopic cylinder for deflecting the left swing frame 7 through a pin shaft, the piston end of the telescopic cylinder is connected with the left swing frame 7 through a pin shaft, the upper end opening of the right swing frame 6 is rotationally connected with the right roller 4, the lower end longitudinal end of the right swing frame 6 is rotationally connected with the frame 1, and the end of the telescopic cylinder on the right swing frame 6 is provided with a pin shaft for connecting with the frame 1;

the side surface part support of the thick plate material under the swinging effect is realized, and the position accuracy of the right side roller 4 and the left side roller 5 in the bending forming process of the thick plate material is improved through the swinging angle setting.

Further, in order to ensure that the plate can be smoothly blocked when the material blocking shaft 91 rotates, in this embodiment, a plate is arranged on the peripheral side surface of the material blocking shaft 91, a swinging arm is arranged at the end of the material blocking shaft 91, the swinging arm is rotationally connected with the frame 1, a swinging telescopic cylinder 92 is movably hinged on the frame 13, an output shaft of the swinging telescopic cylinder 92 is connected with the swinging wall through a pin shaft, and the swinging telescopic cylinder 92 is a two-section telescopic cylinder.

In this embodiment, a window is provided on one side of the cover 94, a sliding window is provided on the other side of the cover 94, the outer end surface of the window of the cover 94 is connected with the frame 1, the oblique portion of the window of the cover 94 is connected with a curvature detector 93, and the curvature detector 93 is a laser curved surface measuring instrument.

In this embodiment, a right bracket 101 and a left bracket 201 are respectively installed at two sides of the frame 1, a plurality of right rotating rollers 102 are rotatably installed on the right bracket 101, a coiled thick plate material moves on the right rotating rollers 102 to realize the discharging treatment of the coiled thick plate material, a plurality of power screw rods 103 are fixedly installed on the right bracket 101, one screw rod end of the power screw rod 103 is connected with a first rotating roller 104, the other screw rod end of the power screw rod 103 is connected with a second rotating roller 105, a movable frame 106 is slidably installed on the right bracket 101, a power source 107 is installed at one end of the movable frame 106, a friction wheel of the power source 107 is in contact connection with the right bracket 101, a pressing plate 108 is arranged on the movable frame 106, one end face part of the pressing plate 108 is connected with the movable frame 106 through a pin shaft, the other end face part of the pressing plate 108 is provided with a swinging beam 109 through a pin shaft, one side of the upper part of the movable frame 106 is movably hinged with a thrust telescopic cylinder 110, one end head of the swinging beam 109 is connected with one end head of the thrust telescopic cylinder 110 through a pin shaft, the middle part of the swinging beam 109 and the other end head of the thrust telescopic cylinder 110 are connected with the movable frame 106 through a pin shaft, the power screw 103 is a double-end ball screw with a driving motor, and the pressing treatment of a thickened plate material is realized by the movable frame 106, a power source 107, the pressing plate 108, the swinging beam 109 and the thrust telescopic cylinder 110;

the first rotating roller 104 and the second rotating roller 105 are integrated bodies with rotating drums and built-in shafts, the built-in shaft end of the first rotating roller 104 and the built-in shaft end of the second rotating roller 105 are respectively connected with the power screw 103, the moving frame 106 is of a portal structure, the power source 107 is a driving motor with friction wheels at the ends, the friction wheels of the power source 107 are in contact connection with I-shaped beams of the right bracket 101, the pressing plate 108 is of a rectangular block structure, the swinging beams 109 are of L-shaped rod-shaped structures, a plurality of right rotating rollers 102 are distributed at intervals along the transverse center line of the right bracket 10, one power screw 103, one first rotating roller 104 and one second rotating roller 105 are arranged into one group of centering components, and three groups of centering components are arranged on the right bracket 101, so that centering and compaction control setting on the feeding process of thick plates is realized.

In this embodiment, a plurality of left turn rollers 102 are rotatably installed on the upper end surface portion of the left bracket 201, an upper bracket 203 is installed on the outer side portion of the lower end of the left bracket 201 through a pin shaft, a lifting telescopic cylinder 205 is fixedly installed on the lower portion of the upper bracket 203, height control setting of a material discharging process of a thickened plate is achieved through telescopic of the lifting telescopic cylinder 205, a base 204 is fixedly installed on the bottom of the lifting telescopic cylinder 205 to ensure stable installation of the lifting telescopic cylinder 205, wherein the inclination angle and the height of the left bracket 201 can be controlled for the lifting telescopic cylinder 205 to be convenient, and the upper bracket 203 is of a -shaped block structure.

The bent thick plate material moves on the left-turn roller 102, so that the bent thick plate material is discharged, the lifting telescopic cylinder 205 is in telescopic motion, the upper bracket 203 is driven to perform lifting motion, and the height of the left-turn roller 102 is adjusted.

The application method of the positive and negative bending plate bending machine device for adding the thick plate comprises the following steps:

according to the thickened plate, the driving motor of the upper roller counter-pressure device 8 is in an operating state, the upper roller counter-pressure device 8 drives the lower seat part 35 to move up and down on the guide plate part 12, the distance between the roller part 31 and the lower roller 2 is adjusted, the lower end longitudinal end of the right swinging frame 6 rotates on the seat part 11 through the telescopic cylinder positioned on the right swinging frame 6, the distance between the right roller 4 and the lower roller 2 is adjusted, the height of the right roller 4 is adjusted, the lower end longitudinal end of the left swinging frame 7 rotates on the seat part 11 through the telescopic cylinder positioned on the left swinging frame 7, the distance between the left roller 5 and the lower roller 2 is adjusted, the height of the left roller 5 is adjusted, the driving motor positioned on the lower roller 2 is in an operating state, the lower roller 2 is driven to rotate on the seat part 11, the swing telescopic cylinder 92 is contracted, the material blocking shaft 91 swings on the seat 11, the sheet of the material blocking shaft 91 is transversely arranged, the thickened plate is placed on the conveying roller 9, the inner end of the thickened plate is placed between the roller part 31 and the lower roller 2, the sliding window of the cover plate 94 is opened, the vertical part of the upper seat 32 swings at the end of the roller part 31, the right roller 4 acts on the upper end face of the thickened plate, the thickened plate moves between the roller part 31 and the lower roller 2, the right roller 4 is above the plate, the left roller 5 rises to roll a positive curvature arc, the right roller 4 presses down to roll a reverse curvature arc, the thickened plate is subjected to curve rolling forming, the curve surface of the curved thickened plate is measured on line through the curvature detector 93, when the driving motor positioned on the lower roller 2 is in a non-working state, the swing telescopic cylinder 92 is in an extending state, the material blocking shaft 91 swings in the opposite direction on the seat 11, so that the plate of the material blocking shaft 91 is in a vertical state;

placing the thickened plate on the right rotating roller 102, enabling a driving motor of the power screw 103 to be in a working state, enabling a double-end ball screw of the power screw 103 to synchronously stretch and retract, enabling a rotating cylinder of the first rotating roller 104 and a rotating cylinder of the second rotating roller 105 to respectively act on side parts of the thickened plate, realizing centering treatment of the thickened plate on the right bracket 101, enabling a thrust telescopic cylinder 110 to be in an extending state, driving a swinging beam 109 to swing on a moving frame 106, enabling a pressing plate 108 to swing downwards on the moving frame 106 through the swinging beam 109, enabling the pressing plate 108 to press the thickened plate on the right bracket 101, enabling the thrust telescopic cylinder 110 to be in a shrinking state, driving the swinging beam 109 to swing reversely on the moving frame 106, enabling the pressing plate 108 to swing upwards on the moving frame 106 through the swinging beam 109, enabling the pressing plate 108 to be separated from the thickened plate on the right bracket 101, enabling a power source 107 to be in a working state, driving a friction wheel to rotate, enabling the friction wheel of the power source 107 to act on the I-shaped beam of the right bracket 101, and driving the moving frame 106 to move transversely on the right bracket 101;

the bent thick plate moves on the left-turn roller 102, so that the bent thick plate is discharged, the lifting telescopic cylinder 205 is in telescopic motion, the upper bracket 203 is driven to lift, and the height of the left-turn roller 102 is adjusted.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.

Claims

1. The utility model provides a positive and negative bending veneer reeling machine device of add thick plate material, includes the frame, and the conveying roller that is used for carrying panel is installed to frame one side, installs in the frame according to producing overhead, bending formation and left and right bending effort's lower roll, last roller device, left side roller and right side roller to add thick plate material, its characterized in that: the bending machine comprises a frame, a left swing frame, a right swing frame, a left roller, a right roller, a left roller back pressure device, a right roller back pressure device, a curvature detector, a bending machine and a bending machine.

2. The positive and negative bending roll apparatus for a plate of added thickness according to claim 1, wherein: the frame includes seat, baffle portion and frame portion, baffle portion fixed mounting is in the front side of seat, the seat trailing flank be with the inner end fixed connection of frame portion, the lower roll rotates to be installed at the seat upper middle part, and the lower roll passes through motor drive and rotates, right swing frame and left swing frame rotate respectively and install at seat trailing flank both ends position, one of them side of up end of seat is connected with the cover body, the conveying roller rotates and installs at frame portion up end, and the baffle shaft is still rotated to the frame plate up end, the upper end lateral part of frame portion installs the flexible jar of swing through the round pin axle, the upper roller back pressure device is installed between baffle portion and seat, the seat is word frame construction, the baffle portion is two-plate ear seat structure, the frame portion is trapezoidal frame column structure.

3. The positive and negative bending roll apparatus for a plate of added thickness according to claim 1, wherein: the upper roller device comprises a roller part, an upper seat part, an ear part and a lower seat part, wherein the upper seat part is of a -shaped structure, the roller part is rotatably arranged in an opening at the lower end of the upper seat part, the end head of the roller part movably penetrates through the lower seat part, a plurality of ear parts are fixedly arranged at the top in the opening of the upper seat part, a pressing wheel in rolling contact with the roller part is rotatably arranged at the ear part, the lower end of the lower seat part is movably hinged with the guide plate part through a pin shaft, the front end face of the lower seat part is connected with an upper roller back pressure device, and the ear parts are of a double-plate ear seat structure.

4. The positive and negative bending roll apparatus for a plate of added thickness according to claim 1, wherein: the left swing frame and the right swing frame are of -shaped rod-shaped structures, the upper end of the left swing frame is rotationally connected with the left roller, the end head of the longitudinal part of the lower end of the left swing frame is rotationally connected with the frame, the end head of the telescopic cylinder on the left swing frame is provided with the telescopic cylinder for deflecting the left swing frame through a pin shaft, and the piston end of the telescopic cylinder is connected with the left swing frame through the pin shaft; the upper end of the right swing frame is opened and is rotationally connected with the right roller, the end head of the lower end longitudinal part of the right swing frame is rotationally connected with the frame, and the end head of the telescopic cylinder positioned on the right swing frame is connected with the frame through a pin shaft.

5. The positive and negative bending roll apparatus for a plate of added thickness according to claim 2, wherein: the peripheral side face part of the material blocking shaft is provided with a plate, the end of the material blocking shaft is provided with a swing arm, the swing arm is rotationally connected with the frame, the frame is movably hinged with a swing telescopic cylinder, an output shaft of the swing telescopic cylinder is connected with the swing arm through a pin shaft, and the swing telescopic cylinder is a two-section telescopic cylinder.

6. The positive and negative bending roll apparatus for a plate of added thickness according to claim 1, wherein: the cover body one side is equipped with the window that leaks, and the cover body opposite side is equipped with the austral window, and the outer terminal surface of the window that leaks of cover body is connected with the frame, and the slope of the window that leaks of cover body is connected with the curvature detector, and the curvature detector is laser curved surface measuring apparatu.

7. The positive and negative bending roll apparatus for a plate of added thickness according to claim 1, wherein: the two sides of the frame are respectively provided with a right bracket and a left bracket, a plurality of right rotating rollers are rotatably arranged on the right bracket, a plurality of power screws are fixedly arranged on the right bracket, one screw end of each power screw is connected with the other screw end of each power screw of the corresponding first rotating roller, the other screw end of each power screw is connected with a second rotating roller, a movable frame is slidably arranged on the right bracket, one end of the movable frame is provided with a power source, a friction wheel of the power source is in contact connection with the right bracket, a pressing plate is arranged on the movable frame, one end face of the pressing plate is connected with the movable frame through a pin shaft, the other end face of the pressing plate is provided with a swinging beam through a pin shaft, one side of the upper part of the movable frame is movably hinged with a thrust telescopic cylinder, one end of each swinging beam is connected with one end of the thrust telescopic cylinder through a pin shaft, the middle part of each swinging beam and the other end of the thrust telescopic cylinder are connected with the movable frame through a pin shaft, the power screw is a double-end ball screw with a driving motor, the first rotating roller and the second rotating roller are integrated bodies with rotating drums and built-in shafts, the built-in shaft end of the first rotating roller and the built-in shaft end of the second rotating roller are respectively connected with the power screw, the moving frame is of a portal structure, the power source is a driving motor with a friction wheel at the end, the friction wheel of the power source is in contact connection with an I-shaped beam of a right bracket, the pressing plate is of a rectangular block structure, the swinging beam is of an L-shaped rod structure, the right rotating rollers are distributed along the transverse center line of the right bracket at intervals, one power screw, one first rotating roller and one second rotating roller are arranged to form one group of centering components, and the three groups of centering components are arranged on the right bracket.

8. The positive and negative bending roll apparatus for a plate of added thickness according to claim 7, wherein: the left bracket upper end face portion rotates and installs a plurality of left turn rolls, and the lower extreme outside portion of left bracket is installed through the round pin axle and is gone up the bracket, goes up bracket lower part fixed mounting and goes up flexible jar, goes up flexible jar bottom fixed mounting and has the base, go up the bracket and be font massive structure.

9. The method of using a positive and negative bending roll apparatus for a plate of a plate thickness according to any one of claims 1 to 8, comprising the steps of: