CN215785886U

CN215785886U - Automatic adjusting type three-roller plate bending machine

Info

Publication number: CN215785886U
Application number: CN202121690924.0U
Authority: CN
Inventors: 王松伟; 付连礼
Original assignee: Hebei Xinda Iron and Steel Group Co Ltd
Current assignee: Hebei Xinda Iron and Steel Group Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-11
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an automatic adjusting type three-roller plate bending machine which comprises a fixed table, a working roller fixed plate, a sliding assembly, an upper roller, a lower roller, a motor and an upper roller moving assembly, wherein the upper roller is arranged on the fixed table; the two working roller fixing plates are connected to the left side and the right side of the fixing table in a left-right sliding mode through sliding assemblies; the two lower rollers are respectively and rotatably connected between the two working roller fixing plates; the output ends of the two motors are respectively connected with the two lower rollers after passing through the speed reducer; the working roll fixing plates are correspondingly provided with an upper roll moving assembly; the upper roller moving assembly comprises a hydraulic cylinder, a fixed frame and a connecting block; the fixed frame is arranged at the upper part of the working roll fixed plate between the two lower rolls; a hydraulic cylinder is fixedly connected with the top end of the fixing frame downwards; the output end of the hydraulic cylinder is downwards connected with the connecting block; and two ends of the upper roller are respectively and rotatably connected with the connecting blocks at the two ends. The utility model has the characteristics of good stability, quick adjustment, simple and convenient adjustment and the like.

Description

Automatic adjusting type three-roller plate bending machine

Technical Field

The utility model relates to a plate bending machine, in particular to an automatic adjusting type three-roller plate bending machine.

Background

The plate bending machine is a device for bending and forming a plate by using a working roll, can form parts in different shapes such as a cylindrical part, a conical part and the like, and is very important processing equipment. The working principle of the plate bending machine is that the working roll moves under the action of external force such as hydraulic pressure, mechanical force and the like, so that the plate is bent or rolled and formed. According to the rotary motion and position change of the working rollers with different shapes, parts such as elliptical parts, arc parts, cylindrical parts and the like can be processed. The common working rolls of the plate bending machine are three and are divided into two lower rolls and one upper roll; wherein, the two lower rolls rotate at the motor and the reducer; one upper roller can vertically lift at the central position of the two lower rollers. At present, the lifting of the upper roll is mainly realized by the transmission of a screw rod, a nut and a worm, workers are required to manually operate the lifting of the screw rod, the heights of the upper rolls at two ends are not easy to balance, and the shape of the rolled plate is easy to be inclined. And because the fixed dependence of last roller is that the lead screw is fixed, the lead screw can become flexible after long-time the use, needs the workman often to its adjustment, and the adjustment time is long, and operating time is short, and work efficiency is low.

In addition, the working roll of the plate bending machine is fixed in length, so that the plate bending machine cannot adapt to plates with different widths, the application range is narrow, and the cost investment is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an automatic adjusting type three-roller plate bending machine with stable and rapid upper roller adjustment.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

an automatic adjusting type three-roller plate bending machine comprises a fixed table, a working roller fixed plate, a sliding assembly, an upper roller, a lower roller, a motor and an upper roller moving assembly; the two working roller fixing plates are connected to the left side and the right side of the fixing table in a left-right sliding mode through sliding assemblies; the two lower rollers are respectively and rotatably connected between the two working roller fixing plates; the output ends of the two motors are respectively connected with the two lower rollers after passing through the speed reducer; the working roll fixing plates are correspondingly provided with an upper roll moving assembly; the upper roller moving assembly comprises a hydraulic cylinder, a fixed frame and a connecting block; the fixed frame is arranged at the upper part of the working roll fixed plate between the two lower rolls; a hydraulic cylinder is fixedly connected with the top end of the fixing frame downwards; the output end of the hydraulic cylinder is downwards connected with the connecting block; and two ends of the upper roller are respectively and rotatably connected with the connecting blocks at the two ends.

In the automatic adjusting three-roller plate bending machine, the hydraulic cylinders on two sides are communicated with the hydraulic station through the same hydraulic pipeline; and a hydraulic valve is also arranged on the hydraulic pipeline.

The automatic adjusting type three-roller plate bending machine also comprises a control assembly; the control component comprises a control chip and a keyboard; the keyboard is connected with the signal input end of the control chip; and the signal output end of the control chip is connected with the signal input end of the hydraulic valve.

In the automatic adjusting three-roller plate bending machine, the sliding assembly comprises a sliding rail, a sliding block and a jack; the slide rail is arranged on the fixed table along the left-right direction; the output end of the jack is connected with the working roll fixing plate; the slider is connected at the lower end of the working roll fixing plate and is in sliding fit with the sliding rail.

In the automatic adjusting three-roller plate bending machine, the fixing table is provided with universal wheels downwards. Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model adopts the upper roll moving assembly to realize the relative position adjustment of the upper roll and the lower roll, thereby realizing the angle adjustment of the plate. The hydraulic cylinder is adopted to drive the upper roller to move up and down, so that the hydraulic cylinder is good in stability, rapid to adjust and convenient to adjust. The utility model has the characteristics of good stability, quick adjustment, simple and convenient adjustment and the like.

The hydraulic valve is also adopted to control the lifting of the two hydraulic cylinders, so that the lifting amplitudes of the hydraulic cylinders are consistent, the height balance of the upper rollers at the two ends is ensured, and the plate is prevented from being inclined.

In addition, the sliding assembly is adopted to enable the working roll fixing plates to move, the working roll fixing plates can be adjusted in a manner of being matched with the width of the working rolls, the width between the working roll fixing plates is made to be adaptive to the width of the plates, and the plates are not prone to deviation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

fig. 3 is an electrical schematic of the present invention.

The reference numerals in the figures denote: 1. a side fixing plate; 2. a jack; 3. a hydraulic cylinder; 4. a fixed mount; 5. upper roll; 6. a motor; 7. a fixed table; 8. a universal wheel; 9. a working roll fixing plate; 10. a slide rail; 11. a slider; 12. a lower roll; 13. connecting blocks; 14. a control chip; 15. a jack valve; 16. a hydraulic valve; KB. A keyboard; j1, a first relay; j1-1, a first relay normally open control contact; t1, a first triode; j2, second relay; j2-1, a second relay normally open control contact; t2, second triode.

Detailed Description

The front mentioned in the utility model means that the direction of the conveying and outputting port of the plate material after entering the plate bending machine is front, and vice versa; the left side refers to the left side of the transportation direction of the plate after entering the plate bending machine, and the opposite direction is the right side; upward means that the upper surface of the plate material faces upward and the lower surface faces downward.

Referring to fig. 1 and 2, the present invention includes a fixing table 7, a work roll fixing plate 9, a sliding assembly, an upper roll 5, a lower roll 12, a motor 6, a decelerator, and an upper roll moving assembly. The fixed table 7 is of a rectangular plate-shaped structure, universal wheels 8 are arranged downwards, and side fixed plates 1 are respectively arranged upwards on the left side and the right side; the plate surfaces of the side fixing plates 1 are oppositely arranged. The sliding assembly comprises a sliding rail 10, a sliding block 11 and a jack 2; the two slide rails 10 are arranged on the fixed table 7 at the middle position of the two side fixed plates 1 along the left-right direction; the jack 2 is fixed on the side fixing plate 1, and the output end of the jack is connected with the working roll fixing plate 9; the number of the slide blocks 11 is four, and the two slide blocks are connected with the lower part of the left side fixing plate 1 and are respectively in sliding fit with the two slide rails 10; the other two are connected with the lower part of the right side fixing plate 1 and are respectively matched with the two slide rails 10 in a sliding way. The design of two slide rails 10 is adopted, so that each side fixing plate 1 is driven by the slide block 11, the structure is more stable, the stress is more uniform during sliding, and the movement is more convenient. By adopting the structure, the jack 2 works to push the two working roll fixing plates 9 and the sliding block 11 to move together on the sliding rail 10, so that the two working roll fixing plates 9 are close to each other, or the jack 2 retracts to drive the two working roll fixing plates 9 to move away from each other; by adjusting the two working roll fixing plates 9 to be close to and far from each other, the utility model can be suitable for plates with different widths after being combined with and replaced with working rolls with different widths.

The two motors 6 are respectively fixed on the side fixing plate 1 on one side of the working roll fixing plate 9, and the output ends of the two motors face the working roll fixing plate 9.

The upper roll moving assembly comprises a hydraulic cylinder 3, a fixed frame 4 and a connecting block 13; the work roll fixing plate 9 is of a rectangular plate-shaped structure, and the plate surface is arranged in the left-right direction. The upper part of each working roll fixing plate 9 is provided with two round through holes in the left and right directions in tandem; each lower roller 12 sequentially penetrates through the circular through holes of the two working roller fixing plates 9 and then is sequentially connected with the speed reducer and the motor 6, so that the two lower rollers 12 can be connected and driven. A downward square sinking groove is formed in the middle of each circular through hole; the left side and the right side of the square sink groove are provided with openings. The fixing frame 4 is of a square frame structure with an opening in the left-right direction, the lower end of the fixing frame 4 is inserted into the square sinking groove, and the upper end of the fixing frame 4 extends out of the upper portion of the square sinking groove. The cylinder body of the hydraulic cylinder 3 is upwards connected with the upper end inside the fixing frame 4, the output end of the hydraulic cylinder is downwards arranged and connected with the upper part of the connecting block 13, and the connecting block 13 can be driven to move up and down. The connecting block 13 is of a cubic structure and is provided with connecting holes of the upper roller 5 in the left and right directions; and two ends of the upper roller 5 respectively penetrate through the upper roller 5 connecting holes of the two connecting blocks 13 on two sides, and the upper roller 5 can rotate in the upper roller 5 connecting holes.

The utility model also adopts a control component for control; the control assembly comprises a control chip 14, a keyboard KB, a first relay J1, a first relay normally open control contact J1-1, a first triode T1, a second relay normally open control contact J2-1, a second triode T2, a jack valve 15 and a hydraulic valve 16; the jack 2 is communicated with the hydraulic station through a jack hydraulic pipe; the jack valve 15 is arranged on a jack hydraulic pipe of the jack 2; the hydraulic cylinders (3) on the two sides are communicated with a hydraulic station through the same hydraulic pipeline; a hydraulic valve (16) is also arranged on the hydraulic pipeline; the operation of the jack 2 and the hydraulic cylinder 3 can be controlled by controlling the opening and closing of the valve. The keyboard KB is connected to the P1.0 interface of the control chip 14; the P2.0 interface of the control chip 14 is connected with the base of a first triode T1; the emitting electrode of the first triode T1 is grounded, and the collector electrode of the first triode T1 is connected with a power supply after passing through a first relay J1; one end of the first relay normally open control contact J1-1 is connected with a power supply, and the other end is grounded after passing through the jack valve 15. The P2.1 interface of the control chip 14 is connected with the base electrode of a second triode T2; the emitter of the second triode T2 is grounded, and the collector of the second triode T2 is connected with a power supply after passing through a second relay J2; one end of the normally open control contact J2-1 of the second relay is connected with a power supply, and the other end of the normally open control contact is grounded after passing through the hydraulic valve 16.

The working process of the utility model is as follows: according to the requirements of the plates, the working rollers with different widths are replaced, commands are input through a keyboard KB, the control chip 14 converts the commands to control the opening of the jack valve 15, so that hydraulic oil enters the jack 2, and the jack 2 pushes the two working roller fixing plates 9 to approach; or the hydraulic oil leaves the jack 2, and the jack 2 drives the two working roll fixing plates 9 to be away from each other; the width of the working roll is more matched with the plate by controlling and realizing adjustment through the means.

After the width is adjusted, a control command is input by the keyboard KB, so that the control chip 14 controls the hydraulic valve 16 to be opened, hydraulic oil enters the hydraulic cylinder 3, and the hydraulic cylinder 3 drives the upper roller 5 to move downwards; or, the hydraulic oil leaves the hydraulic cylinders 3, the hydraulic cylinders 3 drive the upper roller 5 to move upwards, so that the angle of the plate is adjusted, and the hydraulic cylinders 3 on the two sides are controlled by the same hydraulic valve, so that the heights of the two ends can be unified.

Claims

1. An automatic adjusting type three-roller plate bending machine is characterized in that: comprises a fixed table (7), a working roll fixing plate (9), a sliding assembly, an upper roll (5), a lower roll (12), a motor (6) and an upper roll moving assembly; the two working roll fixing plates (9) are connected to the left side and the right side of the fixing table (7) in a left-right sliding mode through sliding assemblies; the two lower rollers (12) are respectively and rotatably connected between the two working roller fixing plates (9); the two motors (6) are arranged, and the output ends of the two motors are respectively connected with the two lower rolls (12) after passing through the speed reducer; the working roll fixing plates (9) are respectively and correspondingly provided with an upper roll moving assembly; the upper roll moving assembly comprises a hydraulic cylinder (3), a fixed frame (4) and a connecting block (13); the fixed frame (4) is arranged at the upper part of the working roll fixing plate (9) between the two lower rolls (12); the top end of the fixed frame (4) is fixedly connected with a hydraulic cylinder (3) downwards; the output end of the hydraulic cylinder (3) is downwards connected with a connecting block (13); and the two ends of the upper roller (5) are respectively and rotatably connected with the connecting blocks (13) at the two ends.

2. The automatically adjusting three-roll plate bending machine according to claim 1, wherein: the hydraulic cylinders (3) on the two sides are communicated with a hydraulic station through the same hydraulic pipeline; and a hydraulic valve (16) is also arranged on the hydraulic pipeline.

3. The automatically adjusting three-roll plate bending machine according to claim 2, wherein: the device also comprises a control component; the control assembly comprises a control chip (14) and a Keyboard (KB); the Keyboard (KB) is connected with the signal input end of the control chip (14); and the signal output end of the control chip (14) is connected with the signal input end of the hydraulic valve (16).

4. The automatically adjusting three-roll plate bending machine according to claim 1, wherein: the sliding assembly comprises a sliding rail (10), a sliding block (11) and a jack (2); the slide rail (10) is arranged on the fixed table (7) along the left-right direction; the output end of the jack (2) is connected with the working roll fixing plate (9); the sliding block (11) is connected to the lower end of the working roll fixing plate (9) and is in sliding fit with the sliding rail (10).

5. The automatic adjusting three-roll plate bending machine according to any one of claims 1-4, wherein: the fixed table (7) is provided with universal wheels (8) downwards.