Positioning structure of bending machine

Abstract

The positioning structure of the bending machine is arranged on the bending machine, the bending machine comprises a lower die strip, the positioning structure of the bending machine comprises an overturning positioning assembly and a driving assembly, the driving assembly is arranged on the bending machine, the overturning positioning assembly comprises an overturning positioning plate, the overturning positioning plate is movably arranged at one end of the lower die strip, and the driving assembly is arranged on the lower die strip. The turnover positioning plate can press the plate on the lower die strip under the action of the driving assembly, so that the plate is further fixed and prevented from deviating in the bending process, meanwhile, movement interference with the upper die strip and the lower die strip is effectively avoided in a turnover positioning mode, and the bending quality is improved. According to the positioning structure of the bending machine, the plate can be fixed in the plate bending process, deviation of the plate in the bending process is avoided, the bending effect is improved, and movement interference with an upper die strip and a lower die strip is avoided.

Description

Technical Field

[0001] The utility model belongs to the field of bending machines. Specifically, the utility model relates to a positioning structure of a bending machine. Background Art

[0002] During the process of sheet metal bending by a bending machine, relying solely on the clamping action of the upper die bar and the lower die bar, the sheet metal is prone to shift in the width direction, affecting the bending effect. Usually, further positioning of the sheet metal is adopted, but it is easy to have movement interference with the upper die bar and the lower die bar during the bending process, damaging the bending machine and increasing production costs.

[0003] To solve the above problems, Patent Document 202803979U discloses a positioning mechanism for a bending machine, which is used for quickly positioning the bending machine when bending a plate. It includes a bracket, a clamping plate, a workbench and a positioning back plate. A cushion block is arranged on the workbench, and the positioning back plate is placed on the cushion block; a row of threaded holes are opened at the lower part of the clamping plate, and the upper die is fixed by bolts; the positioning back plate is a bent part, and the left side of the positioning back plate is a U-shaped opening, and the lower end of the U-shaped opening extends to the right end and then downward, but the above problems cannot be solved. Summary of the Utility Model

[0004] The present utility model is made to solve the above problems, and aims to provide a positioning structure of a bending machine that can fix the sheet metal during the bending process of the sheet metal, can prevent the sheet metal from shifting, can improve the bending effect, and can avoid movement interference with the upper die bar and the lower die bar. To achieve the above purpose, the technical solution adopted by the present utility model is as follows:

[0005] The present utility model provides a positioning structure of a bending machine, which is arranged on the bending machine. The bending machine includes a lower die bar, and has the following characteristics: it includes a flipping and positioning component and a driving component. The driving component is arranged on the bending machine. The flipping and positioning component includes a flipping and positioning plate, and the flipping and positioning plate is movably arranged at one end of the lower die bar.

[0006] In the positioning structure of the bending machine provided by the present utility model, it may further have the following characteristics: the flipping and positioning component further includes a support plate, the support plate is arranged on the lower die bar, and the flipping and positioning plate is movably connected to the support plate.

[0007] In the positioning structure of the bending machine provided by the present utility model, it may further have the following characteristics: a first protrusion is arranged on the flipping and positioning plate, a second protrusion is arranged on the support plate, a first through hole adapted to each other is arranged on the first protrusion and the second protrusion, and a first rotating shaft is inserted into the first through hole.

[0008] In the bending machine positioning structure provided by the present utility model, it may further have the following feature: The driving assembly includes a driving cylinder and a connecting arm. The piston rod of the driving cylinder is connected to the connecting arm, and the connecting arm is movably connected to the flipping positioning plate.

[0009] In the bending machine positioning structure provided by the present utility model, it may further have the following feature: A connecting hole is provided at one end of the connecting arm away from the driving cylinder, and a connecting protrusion adapted to the connecting hole is provided on the flipping positioning plate. The connecting protrusion is inserted into the connecting hole.

[0010] In the bending machine positioning structure provided by the present utility model, it may further have the following feature: One end of the driving cylinder is provided with a mounting block. One end of the mounting block is connected to the driving cylinder. The mounting block is arranged on the lower die bar, and a mounting hole is provided on the mounting block.

[0011] In the bending machine positioning structure provided by the present utility model, it may further have the following feature: A groove is provided on the lower die bar, and the support plate is arranged in the groove.

[0012] In the bending machine positioning structure provided by the present utility model, it may further have the following feature: The bending machine further includes an upper die bar, and a notch is provided at one end of the upper die bar close to the flipping positioning plate.

[0013] The technical effect of the present utility model is as follows: The bending machine positioning structure provided by the present utility model is arranged on the bending machine. The bending machine includes a lower die bar. The bending machine positioning structure includes a flipping positioning assembly and a driving assembly. The driving assembly is arranged on the bending machine. The flipping positioning assembly includes a flipping positioning plate. The flipping positioning plate is movably arranged at one end of the lower die bar. The flipping positioning plate can, under the action of the driving assembly, press the plate against the lower die bar, thereby further fixing the plate and preventing the plate from shifting during the bending process. At the same time, the flipping positioning method effectively avoids movement interference with the upper die bar and the lower die bar.

[0014] Therefore, the bending machine positioning structure provided by the present utility model can fix the plate during the bending process of the plate, avoid the plate from shifting during the bending process, improve the bending effect, and avoid movement interference with the upper die bar and the lower die bar. Description of the Drawings

[0015] This specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is a schematic structural diagram of the bending machine positioning structure in the embodiment of the present utility model;

[0017] Figure 2 It is a schematic structural diagram of the bending machine positioning structure arranged on the bending machine in the embodiment of the present utility model;

[0018] Figure 3Yes Figure 2 A partial enlarged view of part A in the figure.

[0019] In the figure, the markings are: 1 - bending machine, 2 - lower die bar, 3 - groove, 4 - upper die bar, 5 - notch, 10 - flipping and positioning assembly, 11 - flipping and positioning plate, 111 - first protrusion, 112 - connecting protrusion, 12 - support plate, 121 - second protrusion, 13 - first rotating shaft, 20 - driving assembly, 21 - driving cylinder, 22 - connecting arm, 221 - connecting hole, 23 - mounting block, 231 - mounting hole. Detailed implementation manners

[0020] Next, with reference to the accompanying drawings, through the description of the embodiments, the specific implementation manners of the present invention will be further described in detail. The purpose is to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention, and to facilitate its implementation.

[0021] Figure 1 is a schematic structural view of the bending machine positioning structure in the embodiment of the present utility model; Figure 2 is a schematic structural view of the bending machine positioning structure provided in the embodiment of the present utility model arranged on the bending machine.

[0022] As Figure 1 and Figure 2 shown, the bending machine positioning structure provided by the present utility model is arranged on the bending machine 1. The bending machine 1 includes a lower die bar 2. The bending machine positioning structure includes a flipping and positioning assembly 10 and a driving assembly 20. The driving assembly 20 is arranged on the bending machine 1. The flipping and positioning assembly 10 includes a flipping and positioning plate 11. The flipping and positioning plate 11 is movably arranged at one end of the lower die bar 2. The flipping and positioning plate 11 can press the plate against the lower die bar 1 under the action of the driving assembly 20, thereby further fixing the plate and preventing the plate from shifting during the bending process. At the same time, the flipping and positioning plate 11 is arranged at one end of the lower die bar 2. The flipping and positioning method effectively avoids movement interference with the lower die bar 2. The bending machine positioning structure provided by the present utility model can fix the plate during the bending process of the plate, avoid the plate from shifting during the bending process, improve the bending effect, and avoid movement interference with the upper die bar and the lower die bar.

[0023] The flipping and positioning assembly 10 further includes a support plate 12. The support plate 12 is arranged on the lower die bar 2. The flipping and positioning plate 11 is movably connected to the support plate 12. A first protrusion 111 is provided on the flipping and positioning plate 11, and a second protrusion 121 is provided on the support plate 12. A first through hole adapted to each other is provided on the first protrusion 111 and the second protrusion 121. A first rotating shaft 13 is inserted into the first through hole, so that the flipping and positioning plate 11 and the support plate 12 are rotatably connected in a hinged manner, and the flipping and positioning plate 11 is rotatably arranged on the support plate 12. The support plate 12 is detachably arranged at one end of the lower die bar 2 by screws. The flipping and positioning method effectively avoids movement interference with the lower die bar 2 and ensures the normal operation of the plate bending process.

[0024] The driving assembly 20 includes a driving cylinder 21 and a connecting arm 22. The piston rod of the driving cylinder 21 is connected to the connecting arm 22. The piston rod of the driving cylinder 21 and one end of the connecting arm 22 are rotatably connected in a hinged manner. The end of the connecting arm 22 far from the driving cylinder 21 is movably connected to the flipping and positioning plate 11. A connecting hole 221 is provided at the end of the connecting arm 22 far from the driving cylinder 21. A connecting protrusion 112 adapted to the connecting hole 221 is provided on the flipping and positioning plate 11. The connecting protrusion 112 is inserted into the connecting hole 221, so that the connecting arm 22 and the flipping and positioning plate 11 are rotatably connected. Through the telescopic action of the driving cylinder 21, the flipping and positioning plate 11 can be driven to rotate by the connecting arm 22, so as to flip and press the flipping and positioning plate 11 on the plate on the lower die bar 2, thereby ensuring that the plate does not shift during the bending process and improving the bending quality.

[0025] One end of the driving cylinder 21 is provided with a mounting block 23. One end of the mounting block 23 is connected to the driving cylinder 21. One end of the mounting block 23 and the driving cylinder 21 are rotatably connected in a hinged manner. The mounting block 23 is arranged on the lower die bar 2. A mounting hole 231 is provided on the mounting block 23. The driving cylinder 21 is mounted on the lower die bar 2 by inserting screws through the mounting hole 231 and the lower die bar 2. The driving cylinder 21 is arranged on the side of the lower die bar 2. During the plate bending process, the driving cylinder 21 is located below the plate and does not affect the plate bending process, improving the reliability of the structure.

[0026] Figure 3 Yes Figure 2 Partial enlarged view of part A in

[0027] Such as Figure 3As shown, a groove 3 is provided on the lower die bar 2, and the support plate 12 is arranged in the groove 3, so as to ensure that the flipping positioning plate 11 can firmly press the plate. The groove 3 can provide an installation space for the support plate 12, avoiding directly installing the support plate 12 on the lower die bar 2, further avoiding movement interference between the flipping positioning plate 11 and the lower die bar 2, and improving the reliability of the structure.

[0028] The bending machine 1 further includes an upper die bar 4. A notch 5 is provided at one end of the upper die bar 4 close to the flipping positioning plate 11. The position of the notch 5 corresponds to the position of the flipping positioning plate 11. The notch 5 can reserve space for the flipping positioning plate 11. The lower die bar 2 drives the plate to move towards the upper die bar 4 for bending the plate. During the bending process, the flipping positioning plate 11 enters the notch 5, thus effectively avoiding movement interference between the flipping positioning plate 11 and the upper die bar 4, and further improving the reliability of the structure.

[0029] Functions and effects of the embodiment

[0030] The bending machine positioning structure provided by the present utility model is arranged on the bending machine 1. The bending machine 1 includes a lower die bar 2. The bending machine positioning structure includes a flipping positioning assembly 10 and a driving assembly 20. The driving assembly 20 is arranged on the bending machine 1. The flipping positioning assembly 10 includes a flipping positioning plate 11. The flipping positioning plate 11 is movably arranged at one end of the lower die bar 2. The flipping positioning plate 11 can, under the action of the driving assembly 20, press the plate against the lower die bar 1, thereby further fixing the plate and preventing the plate from shifting during the bending process. At the same time, the flipping positioning plate 11 is arranged at one end of the lower die bar 2. The flipping positioning method effectively avoids movement interference with the lower die bar 2. The bending machine positioning structure provided by the present utility model can fix the plate during the bending process of the plate, avoid the plate from shifting during the bending process, improve the bending effect, and avoid movement interference with the upper die bar and the lower die bar.

[0031] The present utility model has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various non-substantial improvements are made by adopting the method concept and technical solution of the present utility model; or without improvement, the above concept and technical solution of the present utility model are directly applied to other occasions, they are all within the protection scope of the present utility model.

Claims

1. A bending machine positioning structure, arranged on a bending machine (1), the bending machine comprising a lower mold bar (2), characterized in that: It comprises a flip positioning assembly (10) and a drive assembly (20), wherein the drive assembly (20) is arranged on the bending machine (1), and the flip positioning assembly (10) comprises a flip positioning plate (11), wherein the flip positioning plate (11) is movably arranged at one end of the lower mold bar (2).

2. The bending machine positioning structure according to claim 1, characterized in that: The flip positioning assembly (10) further comprises a support plate (12), wherein the support plate (12) is arranged on the lower mold bar (2), and the flip positioning plate (11) is movably connected to the support plate (12).

3. The bending machine positioning structure according to claim 2, characterized in that: The flip positioning plate (11) is provided with a first protrusion (111), the support plate (12) is provided with a second protrusion (121), the first protrusion (111) and the second protrusion (121) are provided with matching first through holes, and a first rotating shaft (13) is passed through the first through hole.

4. The bending machine positioning structure according to claim 3, characterized in that: The driving assembly (20) comprises a driving cylinder (21) and a connecting arm (22); the piston rod of the driving cylinder (21) is connected to the connecting arm (22); and the connecting arm (22) is movably connected to the flip positioning plate (11).

5. The bending machine positioning structure according to claim 4, characterized in that: A connecting hole (221) is provided on one end of the connecting arm (22) away from the driving cylinder (21), and a connecting protrusion (112) adapted to the connecting hole (221) is provided on the flip positioning plate (11), and the connecting protrusion (112) is inserted into the connecting hole (221).

6. The bending machine positioning structure according to claim 5, characterized in that: A mounting block (23) is provided at one end of the driving cylinder (21), one end of the mounting block (23) is connected to the driving cylinder (21), the mounting block (23) is arranged on the lower mold bar (2), and a mounting hole (231) is provided on the mounting block (23).

7. The bending machine positioning structure according to any one of claims 2 to 6, characterized in that: The lower mold bar (2) is provided with a groove (3), and the support plate (12) is arranged in the groove (3).

8. The bending machine positioning structure according to claim 7, characterized in that: The bending machine (1) further comprises an upper mold bar (4), and a notch (5) is provided at one end of the upper mold bar (4) close to the flip positioning plate (11).

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