Double-machine linkage bending machine light curtain mechanism

Abstract

The utility model discloses a double-machine linkage bending machine light curtain mechanism which comprises a light curtain emitter, a metal plate, a linear guide rail, a limiting guide rail, a bottom plate and an air cylinder, the light curtain emitter is fixedly connected to the metal plate, and the metal plate is fixedly connected with a rotating disc; when the double-machine linkage folding device works on line, the fixing pin is pulled out of the second through hole, the folding plate rotates around the rotating shaft anticlockwise by 180 degrees, then the fixing pin is inserted into the first through hole, the rotating disc rotates anticlockwise by 90 degrees, folding of the light curtain emitter is completed, and the purpose of avoiding interference with a plate when a long plate is folded through double-machine linkage is achieved. The light curtain mechanism of the bending machine can complete double-machine linkage and can machine thin plates with large sizes; during air suction, the air cylinder extrudes the piston rod out, the flange fixed to the piston rod and the clamping plate move outwards, opening of the clamping plate is achieved, during air exhaust, the air cylinder sucks the piston rod into the interior, the flange fixed to the piston rod and the clamping plate move inwards, the clamping plate shrinks, and objects can be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a double-machine linked bending machine light curtain mechanism. Background Art

[0002] The bending machine can process thin plates into various shapes of parts according to process requirements and is widely used in the metal processing industry. The bending machine light curtain mechanism is an indispensable device of the bending machine. The bending machine light curtain mechanism can form a protection area. If a hand or other object accidentally enters, the bending machine will stop working immediately, which improves the safety performance of the device. The bending machine light curtain mechanism is not only suitable for various bending situations, but also uses laser technology and has a fast response speed. However, the common bending machine light curtain structure on the market has obvious defects: First, the existing bending machine light curtain mechanism can only be used on one bending machine, and cannot be used in dual-machine linkage, and cannot process large-sized thin plates; second, the fixed bracket cannot clamp objects, which lacks convenience; therefore, it is necessary to design a dual-machine linkage bending machine light curtain mechanism. Utility Model Content

[0003] The purpose of the utility model is to provide a double-machine linkage bending machine light curtain mechanism to solve the defects that the existing bending machine light curtain mechanism can only be used on one bending machine, cannot be used in double-machine linkage, cannot process large-sized thin plates, and the fixed bracket cannot clamp objects, thereby lacking convenience.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a dual-machine linkage bending machine light curtain mechanism, including a light curtain transmitter, a sheet metal, a linear guide rail, a limit guide rail, a base plate and a cylinder, wherein the light curtain transmitter is fixedly connected to the sheet metal, the sheet metal is fixedly connected to the rotating disk, the rotating disk is rotatably connected to the folding plate, the folding plate is rotatably connected to the rotating shaft, the rotating shaft is fixedly connected to the base plate, the base plate is fixedly connected to the light curtain bracket, the light curtain bracket is fixedly connected to the limit guide rail, the limit guide rail is slidably connected to the second limit block, the second limit block is welded to the fixed bracket, and the fixed bracket is welded with a fixed plate.

[0005] As a further technical solution of the present invention, a first through hole is provided on the bottom plate, and a second through hole is provided on the folding plate.

[0006] As a further technical solution of the present invention, the second through hole is connected with a fixing pin.

[0007] As a further technical solution of the present invention, the fixed bracket is fixedly connected to a fixed block, the fixed block is sleeved with a cylinder, one end of a piston rod is sleeved in the cylinder, and the other end of the piston rod is fixedly clamped in the flange, and the flange is fixed to the clamping plate by symmetrically distributed bolts.

[0008] As a further technical solution of the present invention, the light curtain bracket is fixedly connected to the linear guide rail, the linear guide rail is slidably connected to the third limit block, and the third limit block is fixedly connected to the fixed bracket.

[0009] As a further technical solution of the present invention, the light curtain bracket is welded with a first limit block, and the first limit block is fixedly connected to both ends of the linear guide rail.

[0010] As a further technical solution of the present invention, the limiting guide rail is threadedly connected to a hand screw, and the hand screw is rotatably connected to the through hole formed in the second limiting block.

[0011] The utility model provides a double-machine linkage bending machine light curtain mechanism, which has the advantages that: through the online operation of the two bending machines, the fixing pin is pulled out from the second through hole, the folding plate is rotated 180 degrees counterclockwise around the rotating axis, and then the fixing pin is inserted into the first through hole to fix the folding plate, and the rotating disk is rotated 90 degrees counterclockwise to complete the folding of the light curtain transmitter, thereby avoiding the interference with the plate when the double-machine linkage folds the long plate. The bending machine light curtain mechanism can complete the double-machine linkage and can process thin plates of large size. By rotating the hand screw, the second limit block can slide on the limit guide rail. By changing the position of the second limit block on the limit guide rail, the position of the fixed bracket can be changed to adjust the height of the light curtain. The corresponding light curtain height can be set as needed; when inhaling, the cylinder slowly squeezes out the piston rod, and the flange and clamping plate fixed on the piston rod also move slowly to realize the opening of the clamping plate. When exhausting, the cylinder sucks the piston rod into the interior, and the flange and clamping plate fixed on the piston rod also move slowly to realize the contraction of the clamping plate, which can clamp objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of area A in the middle;

[0015] Figure 3 This is the overall rear view of the utility model;

[0016] Figure 4 It is a structural diagram of the utility model in online state.

[0017] In the figure: 1. Light curtain transmitter; 2. Sheet metal; 3. Folding plate; 4. Rotating disk; 5. Fixed plate; 6. Fixed bracket; 7. Light curtain bracket; 8. First limit block; 9. Linear guide rail; 10. Limit guide rail; 11. Second limit block; 12. Thumb screw; 13. Base plate; 14. Fixing pin; 15. Rotating shaft; 16. First through hole; 17. Second through hole; 18. Clamping plate; 19. Flange; 20. Piston rod; 21. Cylinder; 22. Fixed block; 23. Third limit block. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0020] Please see the attached Figure 1 -Attached Figure 4, the utility model provides an embodiment: a double-machine linkage bending machine light curtain mechanism, including a light curtain emitter 1, a sheet metal 2, a linear guide rail 9, a limit guide rail 10, a base plate 13 and a cylinder 21, the light curtain emitter 1 is fixedly connected to the sheet metal 2, the sheet metal 2 is fixedly connected to the rotating disk 4, the rotating disk 4 is rotatably connected to the folding plate 3, the folding plate 3 is rotatably connected to the rotating shaft 15, the rotating shaft 15 is fixedly connected to the base plate 13, the base plate 13 is fixedly connected to the light curtain bracket 7, the light curtain bracket 7 is fixedly connected to the limit guide rail 10, the limit guide rail 10 is slidably connected to the second limit block 11, the second limit block 11 is welded to the fixed bracket 6, and the fixed bracket 6 is welded with a fixed plate 5; a first through hole 16 is opened on the base plate 13, and a second through hole 17 is opened on the folding plate 3. The first through hole 16 and the second through hole 17 are opened for inserting a fixing pin 14 is used to fix the folding plate 3; the second through hole 17 is clamped with a fixing pin 14; the fixing bracket 6 is fixedly connected to the fixing block 22, and the fixing block 22 is sleeved with a cylinder 21, and one end of the piston rod 20 is sleeved in the cylinder 21, and the other end of the piston rod 20 is fixedly clamped in the flange 19, and the flange 19 is fixed to the clamping plate 18 by symmetrically distributed bolts; the light curtain bracket 7 is fixedly connected to the linear guide rail 9, and the linear guide rail 9 is slidably connected to the third limit block 23, and the third limit block 23 is fixedly connected to the fixed bracket 6; the light curtain bracket 7 is welded with a first limit block 8, and the first limit block 8 is fixedly connected to both ends of the linear guide rail 9; the limit guide rail 10 is threadedly connected to the hand screw 12, and the hand screw 12 is rotatably connected to the through hole opened in the second limit block 11. The hand screw 12 is provided to facilitate the control of the sliding of the second limit block 11.

[0021] Specifically, when in use, first, when two bending machines are required to work online, the fixing pin 14 is pulled out from the second through hole 17, and the folding plate 3 is fixed by rotating 180° counterclockwise around the rotating shaft 15, and then the fixing pin 14 is inserted into the first through hole 16 to fix the folding plate 3, and the rotating disk 4 is rotated 90° counterclockwise to complete the folding of the light curtain transmitter 1, thereby avoiding the interference with the plate when the two machines are linked to fold the long plate. The light curtain mechanism of the bending machine can complete the linkage of the two machines and can process large thin plates. Rotate the hand screw 12, and the second limit block 11 can be in the limit guide The second limit block 11 slides on the rail 10, and the position of the fixed bracket 6 can be changed by changing the position of the second limit block 11 on the limit guide rail 10, so as to adjust the height of the light curtain. The corresponding light curtain height can be set as needed. When inhaling, the cylinder 21 slowly squeezes out the piston rod 20, and the flange 19 and the clamping plate 18 fixed on the piston rod 20 also move slowly to open the clamping plate 18. When exhausting, the cylinder 21 sucks the piston rod 20 into the interior, and the flange 19 and the clamping plate 18 fixed on the piston rod 20 also move slowly to contract the clamping plate 18, so that the object can be clamped.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A double-machine linkage bending machine light curtain mechanism, comprising a light curtain transmitter (1), a sheet metal (2), a linear guide rail (9), a limit guide rail (10), a base plate (13) and a cylinder (21), characterized in that: The light curtain emitter (1) is fixedly connected to the sheet metal (2), the sheet metal (2) is fixedly connected to the rotating disk (4), the rotating disk (4) is rotatably connected to the folding plate (3), the folding plate (3) is rotatably connected to the rotating shaft (15), the rotating shaft (15) is fixedly connected to the bottom plate (13), the bottom plate (13) is fixedly connected to the light curtain bracket (7), the light curtain bracket (7) is fixedly connected to the limiting guide rail (10), the limiting guide rail (10) is slidably connected to the second limiting block (11), the second limiting block (11) is welded to the fixed bracket (6), and the fixed bracket (6) is welded with a fixed plate (5).

2. The light curtain mechanism for a double-machine-linked bending machine according to claim 1 is characterized in that: A first through hole (16) is provided on the bottom plate (13), and a second through hole (17) is provided on the folding plate (3).

3. The light curtain mechanism for a double-machine-linked bending machine according to claim 2 is characterized in that: The second through hole (17) is clamped with a fixing pin (14).

4. The light curtain mechanism for a double-machine-linked bending machine according to claim 1 is characterized in that: The fixing bracket (6) is fixedly connected to a fixing block (22), the fixing block (22) is sleeved with a cylinder (21), one end of a piston rod (20) is sleeved in the cylinder (21), the other end of the piston rod (20) is fixedly clamped in a flange (19), and the flange (19) is fixed to a clamping plate (18) by symmetrically distributed bolts.

5. The light curtain mechanism for a double-machine-linked bending machine according to claim 1 is characterized in that: The light curtain bracket (7) is fixedly connected to the linear guide rail (9), the linear guide rail (9) is slidably connected to the third limit block (23), and the third limit block (23) is fixedly connected to the fixed bracket (6).

6. The light curtain mechanism for a double-machine-linked bending machine according to claim 5, characterized in that: The light curtain bracket (7) is welded with a first limit block (8), and the first limit block (8) is fixedly connected to both ends of the linear guide rail (9).

7. The light curtain mechanism for a double-machine-linked bending machine according to claim 1 is characterized in that: The limiting guide rail (10) is threadedly connected to a hand screw (12), and the hand screw (12) is rotatably connected to a through hole formed in the second limiting block (11).

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