Four-edge bending center limiting mechanism of flexible bending machine

Abstract

The utility model discloses a four-edge bending center limiting mechanism of a flexible bending machine, and belongs to the technical field of flexible bending machines. The four-edge bending center limiting mechanism of the flexible bending machine comprises a retention truss and a limiting butt strap, a pneumatic assembly is arranged above the retention truss, the pneumatic assembly is connected with the retention truss through screws, mounting hinge plates are arranged at the two ends of the retention truss, and the mounting hinge plates and the retention truss are connected through screws. In order to solve the problems that when an existing flexible bending machine conducts multi-edge bending operation, corners of a plate cannot be corrected and positioned at the same time, and the situation that the length is not uniform after bending is likely to occur, a limiting butt strap and a pneumatic assembly are installed on the inner side of a bending cutter plate through a fixing truss, and the limiting butt strap is used for limiting and correcting the bending cutter plate; and after correction is completed, bending operation is conducted, then the pneumatic assembly can push out the limiting butt strap through the ejector rod, and therefore the bent plate can be pushed out.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible bending machines, in particular to a four-side bending center limiting mechanism of a flexible bending machine. Background Art

[0002] The advantage of the flexible bending machine is that it is not limited by the column spacing and throat depth of the C-type structure frame design, and can make full use of the bending machine processing, which is more flexible and convenient; moreover, its servo design allows for quick start and stop of the machine, fast processing speed, and can shorten processing time; the advantage of the flexible bending machine is that it can automatically bend the four sides of the plate in sequence, realizing automation; the universal bending mold can realize double-sided bending of the plate; it uses CNC positioning device for automatic positioning, and completes multilateral bending in one positioning.

[0003] Existing flexible bending machines are unable to simultaneously correct and position the edges and corners of the sheet metal when performing multi-sided bending operations, which easily leads to uneven lengths after bending. Utility Model Content

[0004] The purpose of the utility model is to provide a four-side bending center limit mechanism for a flexible bending machine, in which a limit plate and a pneumatic component are installed on the inner side of a bending blade through a retaining truss, and the limit plate is used to perform limit correction. After the correction is completed, the bending operation is performed, and then the pneumatic component can push out the limit plate through a push rod, so that the bent plate can be pushed out, which can solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-side bending center limiting mechanism of a flexible bending machine, comprising a retaining truss and a limiting plate, a pneumatic component is arranged above the retaining truss, the pneumatic component is connected to the retaining truss by screws, both ends of the retaining truss are provided with mounting hinge plates, the mounting hinge plates are connected to the retaining truss by screws, the limiting plate and the pneumatic component are installed on the inner side of the bending blade through the retaining truss, the limiting plate is set to an L-shaped structure, when bending, it is necessary to first fit the processed plate with the limiting plate, and use the limiting plate to correct its limit, and then perform the bending operation after the correction is completed.

[0006] Furthermore, the two end brackets of the limiting strap are connected to the retaining trusses by screws, and a synchronous push rod is provided on the top of the bracket. The synchronous push rod cooperates with the bracket to support the two ends of the limiting strap to prevent the two ends of the limiting strap from being deformed due to pressure during the bending process.

[0007] Furthermore, one end of the synchronous push rod is connected to the limiting plate through a slot, and the limiting plate is slidably connected to the support frame through the synchronous push rod.

[0008] Further, an air cavity is provided inside the pneumatic assembly, and a push rod is provided inside the air cavity. The push rod is connected to the limit support plate by screws. The pneumatic assembly can push out the limit support plate through the push rod, so as to push out the bent plate member.

[0009] Further, two air valve nozzles are provided on one side of the pneumatic assembly. The air valve nozzles communicate with the air cavity. The pneumatic assembly is connected to an air pump through the air valve nozzles. The two air valves respectively control the air intake and exhaust operations of the pneumatic assembly.

[0010] Further, a side rail is provided on the other side of the pneumatic assembly, and a correction link is provided below the side rail. One end of the correction link is connected to the limit support plate. The correction link can slide between the side rails, mainly playing a role of limiting and guiding, to prevent the pneumatic assembly from deviating from its own traveling trajectory after long-term operation.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. In the present utility model, the limit support plate and the pneumatic assembly are installed inside the folding knife plate through the fixation truss. The limit support plate is set in an L-shaped structure. When folding, the processed plate member needs to be first attached to the limit support plate, and the limit support plate is used to limit and correct it. After the correction is completed, the folding operation is carried out. Then, the pneumatic assembly can push out the limit support plate through the push rod, so as to push out the folded plate member;

[0013] 2. In the present utility model, the correction link can slide between the side rails. The correction link and the side rails mainly play a role of limiting and guiding, to prevent the pneumatic assembly from deviating from its own traveling trajectory after long-term operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall front view of the present utility model;

[0015] Figure 2 is Figure 1 the enlarged structural schematic diagram of part A of

[0016] Figure 3 is the structural schematic diagram of the pneumatic assembly of the present utility model;

[0017] Figure 4 is the internal structural schematic diagram of the pneumatic assembly of the present utility model.

[0018] In the figure: 1, fixation truss; 2, limit support plate; 3, pneumatic assembly; 101, support frame; 102, synchronous push rod; 103, installation hinge plate; 301, air valve nozzle; 302, push rod; 303, side rail; 304, air cavity; 3031, correction link. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] In order to solve the problem that when the existing flexible bending machine performs multi-sided bending operations, it is impossible to simultaneously correct and position the edges and corners of the plate, and it is easy to have the situation of different lengths after bending; please refer to Figures 1-4 , the present utility model provides the following solutions:

[0021] A four-sided bending center limiting mechanism for a flexible bending machine, including a retaining truss 1 and a limiting connecting plate 2. An air cylinder assembly 3 is arranged above the retaining truss 1. The air cylinder assembly 3 is connected to the retaining truss 1 by screws. Installation hinge plates 103 are arranged at both ends of the retaining truss 1. The installation hinge plates 103 are connected to the retaining truss 1 by screws. The limiting connecting plate 2 and the air cylinder assembly 3 are installed inside the bending knife plate through the retaining truss 1. The limiting connecting plate 2 is set in an L-shaped structure. When bending, the processed plate needs to be first attached to the limiting connecting plate 2, and the limiting connecting plate 2 is used to limit and correct it, and then the bending operation is carried out after the correction is completed.

[0022] Specifically, support frames 101 are arranged at both ends of the limiting connecting plate 2. The support frames 101 are connected to the retaining truss 1 by screws. A synchronous push rod 102 is arranged at the top of the support frames 101. The synchronous push rod 102 can cooperate with the support frames 101 to support both ends of the limiting connecting plate 2, preventing both ends of the limiting connecting plate 2 from being deformed due to pressure during the bending process.

[0023] Specifically, one end of the synchronous push rod 102 is connected to the limiting connecting plate 2 through a card slot. The limiting connecting plate 2 is slidably connected to the support frames 101 through the synchronous push rod 102.

[0024] Specifically, an air cavity 304 is arranged inside the air cylinder assembly 3. A push rod 302 is arranged inside the air cavity 304. The push rod 302 is connected to the limiting connecting plate 2 by screws. The air cylinder assembly 3 can push out the limiting connecting plate 2 through the push rod 302, so as to push out the bent plate.

[0025] Specifically, two air valve nozzles 301 are arranged on one side of the air cylinder assembly 3. The air valve nozzles 301 communicate with the air cavity 304. The air cylinder assembly 3 is connected to an air pump through the air valve nozzles 301. The two air valve nozzles 301 respectively control the air intake and exhaust operations of the air cylinder assembly 3.

[0026] Specifically, a side rail 303 is provided on the other side of the pneumatic component 3, and a correction connecting rod 3031 is provided below the side rail 303. One end of the correction connecting rod 3031 is connected to the limit latching plate 2. The correction connecting rod 3031 can slide between the side rail 303. The correction connecting rod 3031 and the side rail 303 mainly play a role in limiting and guiding to prevent the travel trajectory of the pneumatic component 3 from deviating after long-term operation.

[0027] Working principle: The limit latching plate 2 and the pneumatic component 3 are installed inside the folding knife plate through the retaining truss 1. The limit latching plate 2 is arranged in an L-shaped structure. When folding, the processed plate needs to be first attached to the limit latching plate 2, and the limit latching plate 2 is used to limit and correct it. After the correction is completed, the folding operation is carried out.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-sided bending center limit mechanism for a flexible bending machine, characterized in that, It includes a retention truss (1) and a limit retaining plate (2). An air-operated component (3) is arranged above the retention truss (1). The air-operated component (3) is connected to the retention truss (1) by screws. Installation hinge plates (103) are arranged at both ends of the retention truss (1). The installation hinge plates (103) are connected to the retention truss (1) by screws.

2. The four-side bending center limiting mechanism of a flexible bending machine according to claim 1, characterized in that: Bracket supports (101) are arranged at both ends of the limit retaining plate (2). The bracket supports (101) are connected to the retention truss (1) by screws. A synchronous push rod (102) is arranged at the top of the bracket supports (101).

3. The four-side bending center limiting mechanism of a flexible bending machine according to claim 2, characterized in that: One end of the synchronous push rod (102) is connected to the limit retaining plate (2) through a card slot. The limit retaining plate (2) is slidably connected to the bracket supports (101) through the synchronous push rod (102).

4. The four-side bending center limit mechanism of a flexible bending machine according to claim 1, characterized in that: An air chamber (304) is arranged inside the air-operated component (3). A push rod (302) is arranged inside the air chamber (304). The push rod (302) is connected to the limit retaining plate (2) by screws.

5. The four-side bending center limit mechanism of a flexible bending machine according to claim 4, characterized in that: Two air valve nozzles (301) are arranged on one side of the air-operated component (3). The air valve nozzles (301) communicate with the air chamber (304).

6. The four-side bending center limiting mechanism of a flexible bending machine according to claim 5, characterized in that: A side rail (303) is arranged on the other side of the air-operated component (3). A correction link (3031) is arranged below the side rail (303). One end of the correction link (3031) is connected to the limit retaining plate (2).

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