CN114985464A

CN114985464A - Plate rolling equipment of precoating

Info

Publication number: CN114985464A
Application number: CN202210922838.0A
Authority: CN
Inventors: 周静; 蒋达伟
Original assignee: Jiangsu Liba Enterprise Joint Stock Co ltd
Current assignee: Jiangsu Liba Enterprise Joint Stock Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-09-02
Anticipated expiration: 2042-08-02
Also published as: CN114985464B

Abstract

The invention discloses pre-coated plate rolling equipment, which relates to the technical field of metal rolling and comprises a bottom plate, wherein a supporting frame, an outer frame, a control panel and two mounting frames are arranged on the bottom plate, a plurality of conveying rollers which are arranged in parallel are rotatably arranged in the supporting frame, and a belt transmission assembly is arranged between every two adjacent conveying rollers; two it is provided with same center pin to rotate between the mounting bracket, one of them the fixed gear motor that is provided with on the mounting bracket, gear motor's output and center pin fixed connection, coaxial rotation is provided with two mounting discs on the center pin, rotates between two mounting discs and is provided with the different roll of a plurality of diameters, and is a plurality of the roll equidistance distributes around the center pin. The invention can change the distance between the roller and the transmission roller by switching the rollers, is favorable for rolling the blank for multiple times in a grading way and is convenient for rolling a thicker blank into a thin plate.

Description

Plate rolling equipment of precoating

Technical Field

The invention relates to the technical field of metal rolling, in particular to a pre-coated plate rolling device.

Background

Rolling is a press working method in which a metal billet is passed through a gap (various shapes) between a pair of rotating rolls, and the material is compressed by the rolls to reduce the cross section and increase the length of the material, and is the most common production method for producing steel, and is mainly used for producing profiles, plates and pipes.

In the production and processing process of the metal precoated plate, a metal blank needs to be rolled firstly, after the thickness of the blank is reduced to form a thin plate, various organic coatings or plastic films are coated or laminated on the surface of the thin plate, the existing metal rolling equipment generally passes through a gap between two rollers by arranging an upper roller and a lower roller which are parallel and rotate reversely, and the metal blank is rolled into the thin plate by the roller pair roller.

Disclosure of Invention

The invention aims to solve the problems of complicated rolling process, low processing efficiency and high equipment input cost of thick blanks in the prior art, and provides a pre-coated plate rolling device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pre-coated plate rolling device comprises a bottom plate, wherein a support frame, an outer frame, a control panel and two mounting frames are arranged on the bottom plate, a plurality of conveying rollers which are arranged in parallel are arranged in the support frame in a rotating mode, and the adjacent two conveying rollers are driven by a belt driving assembly;

the roller conveying device comprises two mounting frames, a plurality of rollers and a plurality of conveying rollers, wherein the two mounting frames are rotatably provided with the same central shaft, one of the mounting frames is fixedly provided with a speed reducing motor for driving the central shaft, the central shaft is coaxially and rotatably provided with two mounting discs, a plurality of rollers with different diameters are rotatably arranged between the two mounting discs, the rollers are equidistantly distributed around the central shaft, the rollers and the central shaft are driven by a gear drive assembly, and the central shaft is in drive connection with one of the conveying rollers, so that the linear speeds of the rollers and the conveying rollers are kept consistent;

the outer frame is fixedly provided with an air cylinder, and the air cylinder is provided with a driving assembly for controlling the rotation of the mounting disc;

the support frame all is provided with control button along length direction's inner wall both ends, control button, gear motor and cylinder all with control panel electric connection, it is provided with the removal frame that can act on control button to slide on the support frame, presses through removing the frame correspond the running state of control gear motor and cylinder behind the control button.

As a preferable technical scheme of the invention, the support frame comprises a plurality of support legs, the same support frame is fixedly arranged on the plurality of support legs, and the conveying roller is arranged in the support frame.

As a preferable technical solution of the present invention, the belt transmission assembly includes first chain wheels fixedly disposed on the transmission roller rotating shafts, and the first chain wheels on two adjacent transmission rollers are in transmission connection with each other through a first chain.

As a preferred technical scheme of the invention, the outer peripheral surface of the central shaft is provided with a clamping groove, and the mounting disc is positioned in the clamping groove and is rotationally connected with the clamping groove.

As a preferable technical scheme of the present invention, the gear transmission assembly includes driven gears fixedly disposed on the rotation shafts of the rollers, effective gear ratios of the driven gears on different rollers are diameter ratios between the corresponding rollers, a driving gear is fixedly disposed on the central shaft, and the driven gears are in meshing transmission with the driving gear.

As a preferable technical scheme of the invention, second chain wheels are respectively fixedly arranged on the central shaft and one of the conveying roller rotating shafts, and the two second chain wheels are in transmission connection through a second chain.

Preferably, the top surface of the supporting frame is provided with a sliding groove arranged along the length direction, and the bottom of the movable frame is fixedly provided with a sliding block connected with the sliding groove in a sliding manner.

As a preferable technical scheme of the invention, the width interval of the inner wall of the movable frame is greater than the length of the roller, and the length interval of the inner wall of the movable frame is greater than half of the length interval of the support frame.

As a preferable technical solution of the present invention, the bottom surface of the moving frame is higher than a plane where the highest point of the roll is located.

As a preferable technical scheme of the invention, the driving assembly comprises a rack bar fixedly arranged at the telescopic end of the air cylinder, wherein a control gear is fixedly arranged on one of the mounting discs, and the rack bar is in meshed connection with the control gear.

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

1. according to the invention, the plurality of transmission rollers are arranged on the support frame, the plurality of transmission rollers synchronously rotate by arranging the belt transmission assembly, so that the metal blank is conveniently transmitted, the distance between the roller and the transmission rollers can be changed by switching the roller through arranging the central shaft and the plurality of rollers with different diameters arranged around the central shaft, the blank is conveniently rolled for multiple times in a grading manner, more equipment is not required to be invested, meanwhile, the blank is not required to be transferred, the cost investment and the labor amount of workers are reduced, the processing efficiency is improved, and the problems of complicated rolling process, low processing efficiency and high equipment investment cost of the thicker blank in the prior art are solved.

2. The invention ensures that the plurality of rollers can keep the same linear speed through the connection of the gear transmission components arranged between the plurality of rollers and the central shaft, is favorable for always keeping the same linear speed between the rollers and the corresponding conveying rollers after the rollers with different diameters are switched, and ensures that the blank is rolled smoothly.

3. According to the invention, by arranging the control panel, the control button and the moving frame, in the blank rolling process, the moving frame is driven by the blank to trigger the control button, the rotation direction of the speed reducing motor is changed, the cylinder telescopic switching mounting disc is controlled to rotate, different rollers are changed to work, automatic repeated rolling is realized, the manual input is reduced, and the processing efficiency is improved.

Drawings

FIG. 1 is a first schematic view of the overall structure of a precoating plate rolling device according to the present invention;

FIG. 2 is a schematic view of the overall structure of a precoating plate rolling device according to the present invention;

FIG. 3 is a schematic front view of a precoat plate rolling apparatus according to the present invention;

FIG. 4 is a schematic structural view of a gear transmission assembly in a precoat plate rolling mill according to the present invention;

FIG. 5 is a schematic structural view of the working process of a precoating plate rolling device according to the present invention;

FIG. 6 is a schematic structural view of a roller and a mounting plate in a precoating plate rolling device according to the present invention;

FIG. 7 is an exploded view of the rolls and mounting plate of a precoat rolling apparatus according to the present invention;

fig. 8 is a schematic view of the working principle of a rolling mill according to the prior art.

In the figure: 1. a base plate; 2. a support frame; 3. a mounting frame; 4. an outer frame; 5. a conveying roller; 6. a central shaft; 7. a reduction motor; 8. mounting a disc; 9. rolling; 10. a cylinder; 11. a rack bar; 12. moving the frame; 13. a control panel; 14. a control button; 15. a driven gear; 16. a drive gear; 17. and controlling the gear.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a plate rolling equipment of precoating, including bottom plate 1, be equipped with support frame 2 on bottom plate 1, frame 4, control panel 13 and two

mounting brackets

3, 2 rotations of support frame are provided with a plurality of transfer rollers 5 of mutual parallel arrangement, and a plurality of transfer rollers 5 are in same horizontal plane, are favorable to supporting the conveying to metal blank, through the transmission of belt drive assembly between two adjacent transfer rollers 5, make a plurality of transfer rollers 5 can carry out synchronous rotation.

Referring to fig. 4, the belt drive assembly includes the fixed first sprocket that sets up in the 5 epaxial first of transfer rollers, it is provided with a first sprocket to be located to fix on two transfer rollers 5 in the outside, all fixed two first sprockets that are provided with on remaining transfer roller 5, connect through first chain drive between the first sprocket on two adjacent transfer rollers 5, when one of them transfer roller 5 rotates, drive two adjacent transfer rollers 5 syntropy through first sprocket and first chain and rotate, so on, whole transfer roller 5 can rotate in step, the metal blank placed on transfer roller 5 moves along with the rotation of transfer roller 5.

The same central shaft 6 is rotatably arranged between the two mounting frames 3, the central shaft 6 is arranged in parallel with the conveying rollers 5, a speed reducing motor 7 for driving the central shaft 6 is fixedly arranged on one mounting frame 3, the speed reducing motor 7 is a servo motor and reduction gearbox combined device, the speed reducing motor 7 can provide larger torque and is beneficial to providing enough power to roll metal blanks, the central shaft 6 is driven to rotate when the speed reducing motor 7 is started, two mounting discs 8 are coaxially and rotatably arranged on the central shaft 6, a plurality of rollers 9 with different diameters are rotatably arranged between the two mounting discs 8, the rollers 9 are all arranged in parallel with the central shaft 6, the central shaft 6 and the conveying roller 5 in the middle are positioned in the same vertical plane, the rollers 9 and the conveying rollers 5 below are paired for rolling the metal blanks, and the rollers 9 are equidistantly distributed around the central shaft 6, each roller 9 and the central shaft 6 are driven by a gear transmission assembly, when the central shaft 6 rotates, the rollers 9 are driven to rotate by the gear transmission assembly, the central shaft 6 is in transmission connection with one of the conveying rollers 5, the linear speeds of the rollers 9 and the conveying rollers 5 are kept consistent, the rotating direction of the roller 9 below is opposite to the rotating direction of the conveying roller 5, and therefore the roller pair is convenient to realize.

Referring to fig. 5, because the diameter diverse of roll 9, therefore when different roll 9 is located the mounting disc 8 below, the distance from transfer roller 5 is also different, through rotating the position of mounting disc 8, can change the position of different roll 9, and then control different diameter's roll 9 and roll, the realization is rolled the metal blank of different thickness, the diameter of a plurality of rolls 9 changes according to same direction gradually, consequently can rotate mounting disc 8 towards same direction, realize reducing the purpose of rolling interval gradually, be favorable to rolling metal blank step by step, to thicker metal blank, can realize can accomplish rolling operation without transferring the blank and change equipment.

Referring to fig. 1, the central shaft 6 and one of the conveying rollers 5 are respectively and fixedly provided with a second chain wheel in a rotating shaft, the two second chain wheels are connected in a transmission manner through a second chain, the central shaft 6 is matched with the second chain wheel when rotating, the conveying rollers 5 synchronously rotate, and the effective gear ratio of the two second chain wheels is controlled, so that the rotating speed ratio of the central shaft 6 and the conveying rollers 5 can be controlled.

Referring to fig. 6-7, the gear transmission assembly includes driven gears 15 fixedly disposed on the rotating shafts of the rollers 9, the effective gear ratio of the driven gears 15 on different rollers 9 is the diameter ratio between the corresponding rollers 9, so the effective number of teeth of the driven gears 15 disposed on the rollers 9 with larger diameters is also larger, a driving gear 16 is fixedly disposed on the central shaft 6, the plurality of driven gears 15 are all in meshing transmission with the driving gear 16, when the driving gear 16 drives different driven gears 15, the rotating speed of the driven gears 15 with larger effective number of teeth is slower, but because the diameter of the rollers 9 matched with the driven gears 15 with larger effective number of teeth is larger, the linear speeds of the rollers 9 with different diameters are different, but the linear speeds are consistent, and the risk of bending deformation caused by different linear speeds of the rollers 9 when the metal blank is rolled is reduced.

The fixed cylinder 10 that is provided with on frame 4 is equipped with on the cylinder 10 and is used for controlling 8 pivoted drive assembly of mounting disc, and drive assembly is including fixed rack bar 11 that sets up in the flexible end of cylinder 10, and fixed control gear 17 that is provided with on one of them mounting disc 8, and rack bar 11 is connected with control gear 17 meshing, and is flexible through control cylinder 10, and drive rack bar 11 removes, and then control mounting disc 8 rotates, realizes switching the roll 9 of different diameters.

A moving frame 12 capable of acting on a control button 14 is arranged on the support frame 2 in a sliding manner, a metal blank is placed in the moving frame 12, when the metal blank moves along with the conveying roller 5, the moving frame 12 is abutted against the metal blank, the moving frame 12 moves along with the metal blank, the control button 14 is arranged at both ends of the inner wall of the support frame 2 along the length direction, the control button 14 is a contact type button, the control button contacts with the inner wall of the moving frame 12 in the rolling movement process of the metal blank and abuts against the moving frame 12 to move, when the edge of the support frame 2 is reached after one-time rolling is finished, the metal blank drives the moving frame 12 to impact the control button 14, so as to realize the starting of the control button 14, the speed reducing motor 7 and the air cylinder 10 are all electrically connected with a control panel 13, the control button 14 correspondingly controls the running states of the speed reducing motor 7 and the air cylinder 10, and after the control button 14 is pressed and triggered, the control panel 13 receives signals and controls the speed reducing motor 7 to rotate reversely, and meanwhile, the cylinder 10 is controlled to extend, the mounting disc 8 is rotated by 90 degrees, the roller 9 is switched, and the control panel 13 can control the speed reducing motor 7 and the cylinder 10 through simple programming, and the device belongs to the conventional operation of the technical personnel in the field and is not described herein.

Referring to fig. 4, the support frame 2 comprises a plurality of support legs, the same support frame is fixedly arranged on the support legs, and the conveying roller 5 is arranged in the support frame and is convenient to install the conveying roller 5.

Referring to fig. 4, the sliding groove is formed in the top surface of the supporting frame along the length direction, and the sliding block connected with the sliding groove in a sliding manner is fixedly arranged at the bottom of the moving frame 12, so that the moving frame 12 is limited, and the moving frame 12 can stably move along the length direction of the supporting frame.

Referring to fig. 1-2, the width interval of the inner wall of the movable frame 12 is greater than the length of the roller 9, and the length interval of the inner wall of the movable frame 12 is greater than half of the length of the support frame, so that the movable frame 12 is prevented from colliding with the roller 9 in the moving process, and the bottom surface of the movable frame 12 is higher than the highest point of the roller 9 and is in a plane, which is beneficial for the stable pushing of the movable frame 12 by the thin metal blank.

Referring to fig. 7, the clamping groove is formed in the outer peripheral surface of the central shaft 6, the mounting disc 8 is located in the clamping groove and is connected with the clamping groove in a rotating mode, the mounting disc 8 is limited through the clamping groove, and the risk that the mounting disc 8 is axially deviated along the central shaft 6 is reduced.

The specific working principle of the invention is as follows:

during the use, place metal blank on being located the inside transfer roller 5 of removal frame 12, control cylinder 10 withdrawal is in extreme position, make the minimum roll 9 of diameter be located the below, start gear motor 7, drive center shaft 6 when gear motor 7 starts and rotate, center shaft 6 passes through the cooperation of second sprocket and second chain when rotating, make transfer roller 5 synchronous revolution, simultaneously, drive two adjacent transfer rollers 5 syntropy rotations through first sprocket and first chain, analogize so, whole transfer roller 5 can synchronous revolution, the metal blank placed on transfer roller 5 moves along with the rotation of transfer roller 5.

When metal blank passes through between roller 9 and the transfer roller 5, realize rolling, contact with the inner wall of moving frame 12 and support moving frame 12 and move at the in-process that metal blank rolling moved, when accomplishing once rolling and reaching the support frame 2 edge, drive moving frame 12 striking control button 14, realize control button 14's start-up, control panel 13 received signal and control gear motor 7 antiport, control cylinder 10 extension simultaneously, make mounting disc 8 rotate 90, realize switching over roller 9, the metal blank antiport through once rolling this moment, carry out the secondary rolling, so on and so on, until accomplishing rolling processing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A pre-coated plate rolling device comprises a bottom plate (1), wherein a support frame (2), an outer frame (4), a control panel (13) and two mounting frames (3) are arranged on the bottom plate (1), and the pre-coated plate rolling device is characterized in that a plurality of conveying rollers (5) which are arranged in parallel are rotatably arranged in the support frame (2), and the adjacent two conveying rollers (5) are driven by a belt driving assembly;

the roller conveying mechanism is characterized in that the same central shaft (6) is rotatably arranged between the two mounting frames (3), a speed reducing motor (7) used for driving the central shaft (6) is fixedly arranged on one of the mounting frames (3), the central shaft (6) is coaxially and rotatably provided with two mounting discs (8), a plurality of rollers (9) with different diameters are rotatably arranged between the two mounting discs (8), the rollers (9) are equidistantly distributed around the central shaft (6), each roller (9) and the central shaft (6) are driven by a gear transmission assembly, the central shaft (6) is in transmission connection with one conveying roller (5), and the linear speeds of the rollers (9) and the conveying rollers (5) are kept consistent;

an air cylinder (10) is fixedly arranged on the outer frame (4), and a driving assembly for controlling the rotation of the mounting disc (8) is arranged on the air cylinder (10);

support frame (2) all are provided with control button (14) along length direction's both ends, control button (14), gear motor (7) and cylinder (10) all with control panel (13) electric connection, it is provided with removal frame (12) that can act on control button (14) to slide on support frame (2), presses through removing frame (12) correspond the running state of control gear motor (7) and cylinder (10) behind control button (14).

2. The rolling equipment of plates of precoating according to claim 1, characterized in that, the support frame (2) includes a plurality of supporting legs, a plurality of the supporting legs are fixed with same carriage, the transfer roller (5) sets up in the carriage.

3. The precoating plate rolling equipment according to claim 1, wherein the belt transmission assembly comprises first chain wheels fixedly arranged on the rotating shafts of the conveying rollers (5), and the first chain wheels on two adjacent conveying rollers (5) are in transmission connection through a first chain.

4. The pre-coated plate rolling equipment according to claim 1, wherein a clamping groove is formed in the outer peripheral surface of the central shaft (6), and the mounting disc (8) is positioned in the clamping groove and is rotatably connected with the clamping groove.

5. The precoating plate rolling equipment according to claim 1, wherein the gear transmission assembly comprises driven gears (15) fixedly arranged on rotating shafts of the rollers (9), the effective gear ratio of the driven gears (15) on different rollers (9) is the diameter ratio between the corresponding rollers (9), a driving gear (16) is fixedly arranged on the central shaft (6), and the driven gears (15) are in meshing transmission with the driving gear (16).

6. The precoating plate rolling equipment according to claim 1, wherein a second chain wheel is fixedly arranged on the rotating shaft of the central shaft (6) and one of the conveying rollers (5), and the two second chain wheels are in transmission connection through a second chain.

7. The pre-coating plate rolling equipment according to claim 2, wherein the top surface of the supporting frame is provided with a sliding groove arranged along the length direction, and the bottom of the moving frame (12) is fixedly provided with a sliding block in sliding connection with the sliding groove.

8. The precoating plate rolling mill according to claim 2, wherein the width interval of the inner walls of said moving frame (12) is greater than the length of the rolling rolls (9), and the length interval of the inner walls of said moving frame (12) is greater than half of the length interval of the support frame.

9. The precoat plate rolling apparatus according to claim 1, wherein the bottom surface of the moving frame (12) is higher than the plane of the highest point of the roll (9).

10. The precoating plate rolling equipment according to claim 1, wherein the driving assembly comprises a rack bar (11) fixedly arranged at the telescopic end of the air cylinder (10), wherein a control gear (17) is fixedly arranged on one of the mounting discs (8), and the rack bar (11) is in meshed connection with the control gear (17).