CN106862325A - Large-sized sheet material Double-linkage bender - Google Patents

Abstract

The invention discloses large-sized sheet material Double-linkage bender, including workbench, PLC control devices, die holder, left folding bending apparatus and right folding bending apparatus, wherein：Workbench, including front beam, rear cross beam and at least two guide pillars, at least two guide pillars are abreast fixed between front beam and rear cross beam；Some guide pillar middle positions are further fixed on die holder track, and the mould of some different shapes and structure is sequentially connected on die holder track；Double-linkage bender of the invention is mainly practically applicable to the bending of large-sized sheet material, in bending, the position of its upper and lower mould can adjust it by adjusting sliding rail between mutual distance, it is easy to use.Left and right mould is detachable, is more convenient for changing, scope of application processing, it is also possible to process small size parts bending.

Description

Large plate double linkage bending machine

technical field

The invention relates to the technical field of plate bending equipment, in particular to a large plate double linkage bending machine.

Background technique

In the prior art, the length of the bending sheet is often greater than the width of a single bending machine. In order to bend such an ultra-long sheet, it is necessary to carry out a double-machine linkage operation, that is, splicing two bending machines together, and making them It works synchronously. This kind of bending machine can be called a double-machine linkage bending machine. It mainly includes the first bending machine and the second bending machine. Each bending machine is equipped with a workbench. The lower mold is fixed, and the two ends of each bending machine are equipped with side plates. The two ends of the workbench and the lower mold are flush with the outer sides of the corresponding side plates. , there is inevitably a gap between the first bending machine and the second bending machine, so that the gap between the worktable and the lower die on the first bending machine and the worktable and lower die on the second bending machine is 3-5mm, when the two-machine linkage bends the sheet, a discontinuous crease will be formed at the joint of the lower die, resulting in poor bending accuracy of the sheet.

Moreover, the existing bending parts, especially large bending parts, due to their large size, the inspection process after processing needs to complete the inspection of various angles and size data, which is difficult and time-consuming.

In the existing technology, when bending larger plate parts, due to their complex design structure, multi-pass bending is usually required, and each bending requires positioning, transportation, calibration, queuing and other processes , the processing cycle is long, and the structure and process are complicated, which is not conducive to production.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a compact structure, suitable for multi-structure bending of large-scale plates, and realizes the horizontal double-linkage bending that can simultaneously bend both sides of a wide-width bending machine. bender.

The technical solution adopted in the present invention is: a large plate double-linkage bending machine, including a workbench, a PLC control device, a mold base, a left bending device and a right bending device, wherein:

The workbench includes a front beam, a rear beam and at least two guide columns, the front beam and the rear beam are supported on the ground by several feet, and at least two guide columns are fixed between the front beam and the rear beam in parallel;

There are also mold base rails fixed at the middle positions of several guide pillars, wherein: the mold base rail is a double-track structure, which includes a left track and a right track, and the left track and the right track are respectively provided with several pairs of paired left molds and right molds. Each pair of left mold and right mold moves on the mold base track through a slider and a sliding power source, and the sheet to be processed is inserted between the left mold and the right mold at the corresponding positions of the left bending device and the right bending device, and then Bending is realized, and each pair of paired left mold and right mold is detachably fixed on the mold base rail;

The mold base track has at least one pressing device on the left and right sides respectively, and the pressing device is connected to the front beam or the rear beam through the cantilever, the telescopic pressing shaft and the telescopic power source;

The left bending device and the right bending device drive it to move towards the mold base track through the left sliding device and the right sliding device respectively. The left bending device is equipped with a left bending structure and a left bending servo power source; the right bending device is also equipped with a right bending structure and The right-bending servo power source; the left-bending servo power source and the right-bending servo power source are connected to the PLC control device to realize coordinated control of bending.

Preferably, the position between the two rails of the mold base rail is adjustable, one of which is fixed, and the other rail adjusts the mutual distance between the two rails by adjusting the screw mandrel and adjusting the hand wheel or adjusting the motor or adjusting the cylinder.

Preferably, one end of the workbench in the direction perpendicular to the mold base is also provided with an automatic feeding device. The automatic feeding device includes a transfer table and a robot arm. The blanks are transferred to the top position of the mold base.

Preferably, several pneumatic clamping devices are provided at the top of the gripper of the robot arm, and these pneumatic clamping devices are connected to the PLC control device to realize synchronous and coordinated control.

Preferably, the workbench is also provided with a control guide rail along its outer periphery, the PLC control device is connected to slide on the control guide rail through the control movement device, and the control movement device drives it to slide along the control guide rail through the control board.

Preferably, the control guide rail is an L-shaped structure or forms a closed ring structure along the worktable.

Preferably, the control board is connected to the mobile control device through a wireless device, and the control board directly controls the mobile device by remote control, thereby realizing the purpose of moving the PLC control device.

Compared with the prior art, the beneficial effect of the present invention is: the double linkage bending machine of the present invention fixes the mold base at the middle position of the workbench, and then uses the left sliding device and the right bending device respectively for the left bending device and the right bending device. The sliding device drives it closer to the mold base, and then adjusts the distance between the left bending device and the right bending device relative to the mold base. After adjustment, use the left bending servo power source and right bending servo power source to control it to bend and press on the mold base on the plate to be bent.

In addition, the mold base of the present invention is connected with a number of sliding molds through the mold base rails. These molds have different shapes. When designing the shape of the mold in detail, it can be different according to the shapes and designs of different positions of the plates to be processed. Structure molds, and these molds can be arranged in order according to the shape of the plate to be processed to achieve integrated processing. Therefore, it is convenient to bend different structural shapes at different positions on the same large plate, and the processing cycle of the large plate is shortened.

Moreover, the dual-linkage bending machine of the present invention is mainly applicable to the bending of large plates. During bending, the positions of the upper and lower molds can be adjusted by adjusting the distance between the sliding rails, which is convenient to use. The left and right molds are detachable, which is more convenient to replace. It is suitable for processing, and can also process bending of small-sized parts.

Finally, the mold base track of the present invention has at least one pressing device on the left and right sides respectively, and the pressing device is connected to the front beam or the rear beam through a cantilever, a telescopic pressing shaft, and a telescopic power source to realize Automatic compression, higher degree of automation.

Description of drawings

Fig. 1 is the structural diagram of an embodiment of large-scale double linkage bending machine;

Fig. 2 is the structural diagram of another embodiment of the double linkage bending machine of large-scale plate;

Fig. 3 is the detailed structural diagram of the automatic feeding device of the embodiment of Fig. 1 and Fig. 2;

Among them: 1-working table, 2-PLC control device, 3-die base, 4-left bending device, 41-left bending structure, 42-left bending servo power source; 5-right bending device, 51-right bending structure, 52-Right bending servo power source; 6-Mould base track, 61-Left track, 62-Right track; 7-Automatic feeding device, 71-Transmission table, 72-Robot arm, 73-Gripper, 74-Pneumatic Pressing device; 8-slider, 9-sliding power source, 10-left sliding device, 11-front beam, 12-rear beam, 13-guide column, 14-foot, 15-right sliding device, 16-press Device, 161-cantilever, 162-telescopic compression shaft, 163-telescopic power source; 17-sheet material, 18-control guide rail, 19-control moving device, 20-control panel, 21-left mold, 22-right mold, 23-adjust the screw mandrel, 24-adjust the handwheel, 25-adjust the motor, and 26-adjust the cylinder.

detailed description

In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments, which are only used to explain the present invention and do not limit the protection scope of the present invention.

As shown in Figure 1, the double-linkage bending machine for large plates includes a workbench 1, a PLC control device 2, a mold base 3, a left bending device 4 and a right bending device 5, wherein: the workbench 1 includes a front beam 11, a rear Crossbeam 12 and at least two guide posts 13, front crossbeam 11 and rear crossbeam 12 are supported on the ground by several feet 14, at least two guide posts 13 are fixed between front crossbeam 11 and rear crossbeam 12 in parallel; 13 The mold base track 6 is also fixed at the middle position, wherein: the mold base track 6 is a double track structure, which includes a left track 61 and a right track 62, and the left track 61 and the right track 62 are respectively provided with several pairs of left molds 21 and the right mold 22, each pair of left mold 21 and right mold 22 is connected to move on the mold base track 6 through a slide block 8 and a sliding power source 9, and the sheet material to be processed is inserted into the corresponding position of the left bending device and the right bending device between the left mold 21 and the right mold 22, and then realize bending, and each pair of paired left mold 21 and right mold 22 are detachably fixed on the mold base rail 6; the mold base rail 6, its left and right sides At least one pressing device 16 is provided on each side, and the pressing device 16 is connected to the front beam 11 or the rear beam 12 through a cantilever 161, a telescopic pressing shaft 162, and a telescopic power source 163; the left bending device 4 and the right bending device 5 The left sliding device 10 and the right sliding device 15 respectively drive it to move towards the mold base rail 6, the left bending device 4 is provided with a left bending structure 41 and a left bending servo power source 42; the right bending device 5 is also provided with a right bending structure 51 and the right bending servo power source 52; the left bending servo power source 42 and the right bending servo power source 52 are jointly connected to the PLC control device 2, and then realize cooperative control of bending.

Referring to Fig. 1, the position between the two rails of the mold base rail 6 is adjustable, one of which is fixed, and the other rail is adjusted by adjusting the screw 23 and the adjusting hand wheel 24 or adjusting the motor 25 or adjusting the cylinder 26 to adjust the two rails the mutual distance between them.

As shown in Figure 2 and Figure 3, an end on the direction perpendicular to the workbench 1 and the mold base 3 is also provided with an automatic feeding device 7, and the automatic feeding device 7 includes a transfer table 71 and a robot arm 72, and the robot arm 72 The plate 17 prepared on the transfer table 71 is transferred to the top position of the mold base 3 through the gripper 73 at the bottom. The establishment of the lower feeding device improves the bending efficiency and automation of the bending machine, reducing human cost. The top position of the gripper 73 of the robot boom 72 is also provided with several pneumatic compression devices 74, and these pneumatic compression devices 74 are connected with the PLC control device 2 to realize synchronous coordination control.

As shown in Figures 1 and 3, the workbench 1 is also provided with a control guide rail 18 along its outer periphery, the PLC control device 2 is connected to slide on the control guide rail 18 through the control mobile device 19, and the control mobile device 19 is driven by the control board 20 It slides along the control guide rail 18, and can adjust the position of the PLC control device relative to the bending device, so that it is convenient for the operator to observe the bending situation while operating the bending. The control guide rail 18 is an L-shaped structure or forms a closed ring structure along the workbench 1, which can have a better observation effect. The control panel 20 is connected to the control mobile device 19 through a wireless device, and the control panel 20 directly controls the mobile device 19 by remote control, thereby realizing the purpose of moving the PLC control device and facilitating operation.

The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. Those skilled in the art can easily comprehend the spirit of the present invention based on the above-mentioned embodiments, and make different extensions and changes. But as long as it does not deviate from the spirit of the present invention, it is within the protection scope of the present invention.

Claims (7)

1. Large plate double-linkage bending machine, characterized by: including workbench (1), PLC control device (2), mold base (3), left bending device (4) and right bending device (5), in which: The workbench (1) includes a front beam (11), a rear beam (12) and at least two guide columns (13), the front beam (11) and the rear beam (12) are supported on the ground by several feet (14), At least two guide posts (13) are fixed between the front beam (11) and the rear beam (12) in parallel; The mold base track (6) is also fixed at the middle position of several guide pillars (13), wherein: the mold base track (6) is a double track structure, which includes a left track (61) and a right track (62), and the left track ( 61) and the right track (62) are respectively provided with several paired left molds (21) and right molds (22), and each pair of left molds (21) and right molds (22) passes through a slide block (8) and a The sliding power source (9) is connected to the mold base track (6) to move, and the sheet to be processed is inserted between the left mold (21) and the right mold (22) at the corresponding positions of the left bending device and the right bending device, and then the bending is realized. bend, and each pair of paired left mold (21) and right mold (22) is detachably fixed on the mold base rail (6); The mold base track (6) has at least one pressing device (16) on the left and right sides respectively, and the pressing device (16) is provided with a cantilever (161), a telescopic pressing shaft (162), a telescopic power source ( 163) connected to the front beam (11) or the rear beam (12); The left bending device (4) and the right bending device (5) are respectively driven by the left sliding device (10) and the right sliding device (15) to move towards the mold base track (6), and the left bending device (4) is equipped with a left bending structure (41) and left-bending servo power source (42); the right-bending device (5) is also provided with right-bending structure (51) and right-bending servo power source (52); left-bending servo power source (42) and right-bending The servo power source (52) is jointly connected to the PLC control device (2), thereby realizing cooperative control of bending. 2. The double-link bending machine for large plates according to claim 1, characterized in that: the position between the two rails of the mold base rail (6) is adjustable, one of the rails is fixed, and the other rail is adjusted by the screw rod (23) and adjusting handwheel (24) or adjusting motor (25) or adjusting cylinder (26) to adjust the mutual distance between these two tracks. 3. The double-link bending machine for large plates according to claim 1, characterized in that: one end of the workbench (1) in the direction perpendicular to the mold base (3) is also equipped with an automatic feeding device (7), which automatically The feeding device (7) includes a transfer table (71) and a robot arm (72), and the robot arm (72) transfers the prepared sheets on the transfer table (71) through the gripper (73) at the bottom thereof (17) Transfer to the top position of the mold base (3). 4. The double-link bending machine for large plates according to claim 2, characterized in that: the top position of the gripper (73) of the robot arm (72) is also equipped with several pneumatic pressing devices (74), these pneumatic pressing devices The tightening device (74) is connected with the PLC control device (2) to realize synchronous coordination control. 5. The double-link bending machine for large plates according to claim 1, characterized in that: the workbench (1) is also provided with a control guide rail (18) along its outer periphery, and the PLC control device (2) controls the moving device ( 19) It is connected to slide on the control guide rail (18), and the control moving device (19) drives it to slide along the control guide rail (18) through the control board (20). 6. The double-link bending machine for large plates according to claim 5, characterized in that: the control guide rail (18) is an L-shaped structure or forms a closed ring structure along the worktable (1). 7. The double-link bending machine for large plates according to claim 5 or 6, characterized in that: the control panel (20) is connected to the control mobile device (19) through wireless equipment, and the control panel (20) directly controls the mobile device by remote control (19), and then achieve the purpose of moving the PLC control device.