Cutter and die for bending machine

Abstract

The utility model discloses a cutter and a die for a bending machine, and relates to the technical field of bending machine cutters, the cutter comprises a connecting part and a pressing part, the connecting part is used for being connected with the bending machine, the pressing part is connected with the connecting part, the pressing part is used for pressing a workpiece to be bent, the bottom of the pressing part is provided with a groove, an upper die is arranged in the groove, and the upper die is connected with the connecting part. A buckle female die core or a corner cutting female die core is arranged at the bottom of the upper die. The die comprises the cutter and further comprises a lower die, a buckle male die core or a corner cutting male die core is arranged on the lower die, and the buckle male die core is matched with the buckle female die core and used for assisting a bending machine to punch and form the anti-falling buckle on a workpiece. Or the die core of the corner cutting male die is matched with the die core of the corner cutting female die and is used for assisting the bending machine in corner cutting of a workpiece, so that corner cutting and bending operation on the workpiece on one bending machine is achieved, or bending of the workpiece and punch forming operation of an anti-falling buckle are completed on one bending machine.

Description

Technical Field

[0001] This utility model relates to the field of bending machine tool technology, and in particular to a tool and mold for a bending machine. Background Technology

[0002] As the construction industry increasingly prioritizes aesthetics and practicality, curtain walls, as a crucial component of modern architecture, are undergoing continuous advancements in materials and construction techniques. Aluminum panels, due to their lightweight, corrosion resistance, and ease of processing, have become an ideal choice for curtain wall materials. To improve the installation efficiency and stability of aluminum panels, anti-drop clips are widely used as an effective connection method. These clips ensure that aluminum panels are not easily detached after installation, while also facilitating disassembly and maintenance, significantly enhancing the safety and aesthetics of the curtain wall.

[0003] The stamping and corner cutting of anti-drop clips on aluminum panels is typically accomplished using separate stamping and corner cutting machines. While this method meets processing requirements to some extent, it has several drawbacks. Separate stamping and corner cutting machines require significant production space, increasing production costs. Because the stamping, corner cutting, and bending machines operate separately, the production process is disjointed, reducing efficiency. Furthermore, existing bending machine cutter designs primarily focus on material bending and forming, lacking the functionality for stamping anti-drop clips or corner cutting. Utility Model Content

[0004] To address the problem that existing bending machine cutters lack anti-drop buckle functionality during stamping, this utility model provides a cutting tool and mold for bending machines.

[0005] The technical solution adopted in this utility model is:

[0006] The first aspect of this application provides a cutting tool for a bending machine, the cutting tool including a connecting part and a clamping part, the connecting part being used to connect to the bending machine, the clamping part being connected to the connecting part, the clamping part being used to press down the workpiece to be bent, the bottom of the clamping part having a groove, the groove having an upper die, the bottom of the upper die having a snap-fit ​​die core or a corner-cutting die core, the snap-fit ​​die core being used to assist the bending machine in stamping and forming anti-drop snaps on the workpiece, the corner-cutting die core being used to assist the bending machine in cutting corners on the workpiece.

[0007] Preferably, the thickness of the upper mold is less than or equal to the depth of the groove.

[0008] Preferably, the pressing part has a first connecting hole that communicates with the groove, and the top of the upper mold has a second connecting hole that corresponds to the first connecting hole. The first connecting hole and the second connecting hole are connected by a connector.

[0009] Preferably, an elastic element is provided between the connector and the clamping part.

[0010] The second aspect of this application provides a mold for a bending machine, including the aforementioned cutting tool and a lower mold. The lower mold is provided with a snap-fit ​​punch core or a corner-cutting punch core. The snap-fit ​​punch core cooperates with the snap-fit ​​concave die core to assist the bending machine in stamping and forming anti-snap-off buckles on the workpiece; or the corner-cutting punch core cooperates with the corner-cutting concave die core to assist the bending machine in cutting corners on the workpiece.

[0011] Preferably, the lower mold has a slot, and the snap-fit ​​punch core or the chamfering punch core is disposed in the slot.

[0012] Preferably, the height of the snap-fit ​​punch core or the chamfered punch core is less than or equal to the depth of the slot.

[0013] Preferably, a driving component is connected to the bottom of the snap-fit ​​punch core or the chamfering punch core, and the driving component is used to drive the snap-fit ​​punch core or the chamfering punch core to move toward the snap-fit ​​concave die core.

[0014] The beneficial effects of this utility model are at least one of the following:

[0015] By integrating the anti-drop buckle function into the bending machine's cutting tool, the tool can assist in the integrated operation of workpiece bending and anti-drop buckle stamping, or in the integrated operation of workpiece bending and corner cutting. This avoids the cumbersome process of secondary processing using separate stamping or corner cutting machines, as required by traditional methods.

[0016] The mold includes the aforementioned cutting tool and lower mold. The lower mold is equipped with a snap-fit ​​punch core opposite to the snap-fit ​​die core, forming a stamping mold. The workpiece is placed between the upper and lower molds. When the snap-fit ​​die core and the snap-fit ​​punch core are closed, the workpiece is cornered or the snap-fit ​​is formed on the workpiece. Then, the workpiece is bent by a bending machine. This realizes the operation of cornering and bending the workpiece on a bending machine, or the operation of bending the workpiece and stamping the snap-fit ​​is completed on a bending machine. Attached Figure Description

[0017] Figure 1 This is a side view of the bending tool in Embodiment 1 of this utility model;

[0018] Figure 2 This is a schematic diagram of the side cross-sectional structure of the upper mold of the snap-fit ​​die core in Embodiment 1 of this utility model;

[0019] Figure 3This is a bottom view of the upper mold of the snap-fit ​​die core in Embodiment 1 of this utility model;

[0020] Figure 4 This is a schematic diagram of the side cross-sectional structure of the upper mold of the chamfered concave mold core in Embodiment 1 of this utility model;

[0021] Figure 5 This is a bottom view of the upper mold of the chamfered concave mold core in Embodiment 1 of this utility model;

[0022] Figure 6 This is a three-dimensional perspective structural diagram of the bending tool in Embodiment 1 of this utility model;

[0023] Figure 7 for Figure 6 Enlarged structural diagram at point A;

[0024] Figure 8 This is a front view structural diagram of the connector in Embodiment 1 of this utility model;

[0025] Figure 9 This is a side view of the engagement structure of the lower mold and the upper mold in Embodiment 2 of this utility model;

[0026] Figure 10 This is a side cross-sectional view of the second embodiment of the present invention, showing the separation of the lower mold containing the snap-fit ​​punch core and the upper mold containing the snap-fit ​​die core.

[0027] Figure 11 This is a top view of the lower die of the snap-fit ​​punch mold core in Embodiment 2 of this utility model;

[0028] Figure 12 This is a top view of the lower die of the bevel punch mold core in Embodiment 2 of this utility model;

[0029] Figure 13 This is a three-dimensional structural diagram of the lower mold of the snap-fit ​​punch core in Embodiment 2 of the present invention;

[0030] Figure 14 This is a schematic diagram of the overall structure of the bending machine in an embodiment of this utility model.

[0031] Reference numerals: 1. Cutting tool; 11. Connecting part; 12. Clamping part; 120. Groove; 121. First connecting hole; 2. Upper mold; 21. Snap-fit ​​die core; 22. Second connecting hole; 23. Corner-cutting die core; 3. Connecting part; 4. Elastic part; 5. Lower mold; 51. Snap-fit ​​punch core; 52. Hole and groove; 53. Corner-cutting punch core. Detailed Implementation

[0032] To make the objectives, solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0033] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other embodiments, well-known structures, circuits, materials, or methods are not specifically described in order to avoid obscuring the present invention.

[0034] Throughout this specification, references to "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "an embodiment," "an example," "an example," or "an example" appearing in various places throughout the specification do not necessarily refer to the same embodiment or example. Furthermore, specific features, structures, or characteristics can be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. Moreover, those skilled in the art will understand that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0035] In the description of this utility model, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0036] Example 1 provides a cutting tool for a bending machine, such as Figure 1 As shown, the cutting tool 1 includes a connecting part 11 and a clamping part 12. The connecting part 11 is used to connect to a bending machine, and the clamping part 12 is connected to the connecting part 11. The clamping part 12 is used to press down the workpiece to be bent. A groove 120 is provided at the bottom of the clamping part 12, and an upper die 2 is provided in the groove 120. Figure 2 As shown, the upper mold 2 has a snap-fit ​​die core 21 at its bottom. The snap-fit ​​die core 21 is used to assist the bending machine in stamping and forming anti-drop buckles on the workpiece.

[0037] It should be noted that, as Figure 14As shown, the bending machine is a common flexible bending machine in the prior art. This application does not improve the flexible bending machine, but only makes structural improvements to the bending cutter 1 used in the flexible bending machine. Therefore, the way the connecting part 11 of the cutter 1 is connected to the bending machine is existing. For example, the connecting part 11 can be connected to the corresponding part of the bending machine by bolts, pins or other fasteners.

[0038] In one possible implementation, the connecting part 11 and the pressing part 12 are integrally formed. The cutting tool 1 in this embodiment can be used in the bending process of the sheet metal and in the process of stamping anti-drop buckles on the sheet metal. For example, bending an aluminum panel and stamping anti-drop buckles on an aluminum panel.

[0039] In one possible implementation, such as Figure 2 and Figure 3 As shown, the shape of the forming die is the same as that of the anti-drop buckle. It is used to assist the bending machine in stamping the anti-drop buckle shape on the aluminum sheet. The upper die 2 can be fixed to the groove 120 by bolts, pins or other fasteners.

[0040] In another possible implementation, the snap-fit ​​shaped upper mold can be replaced with a chamfered upper mold, as shown in the example above. Figure 4 and Figure 5 As shown, the bottom of the upper die 2 is a corner-cutting concave die core, which is used to assist the bending machine in performing corner-cutting operations on the aluminum single plate.

[0041] To ensure a tight fit between the aluminum panel and the pressing part 12 when they contact the panel surface, the thickness of the upper mold 2 is, for reference, less than or equal to the depth of the groove 120. In this case, the bottom of the upper mold 2 will not protrude from the bottom of the pressing plate. For example, when the thickness of the upper mold 2 is equal to the depth of the groove 120, the bottom of the upper mold 2 is flush with the bottom of the groove 120. At this point, the pressing part 12 and the aluminum panel can fit tightly together.

[0042] For reference, such as Figure 6 and Figure 7 As shown, the pressing part 12 is provided with a first connecting hole 121, which communicates with the groove 120. The top of the upper mold 2 is provided with a second connecting hole 22, which is corresponding to the first connecting hole 121. The first connecting hole 121 and the second connecting hole 22 are connected by a connector 3.

[0043] In the specific implementation process, such as Figure 3As shown, there are six first connecting holes 121, three of which are located on one side of the pressing part 12 and the other three are located on the other side of the pressing part 12. There are also six second connecting holes 22, three of which are located on one side of the upper mold 2 and the other three are located on the other side of the upper mold 2.

[0044] Connector 3 can be a bolt, pin, or other fastener. In this embodiment, for example... Figure 8 As shown, the connector 3 is a bolt. Both the first connecting hole 121 and the inner wall of the second connecting hole 22 are threaded. The bolt is passed through the first connecting hole 121 on the clamping part 12 and screwed into the second connecting hole 22 on the top of the upper mold 2, ensuring that the upper mold 2 is firmly fixed in the groove 120 of the clamping part 12. When the upper mold needs to be replaced, simply loosen the bolt to easily remove the upper mold from the clamping part; the replacement process is simple and quick.

[0045] For reference, an elastic element 4 is provided between the connector 3 and the clamping part 12. The elastic element 4 can be a rubber washer, which can provide a certain degree of cushioning effect, reduce the damage to the clamping part 12 caused by vibration or impact during the stamping process, and can also reduce the wear of the connector 3 (bolt) due to long-term stress to a certain extent, thus extending the service life of the connector 3.

[0046] Example 2 provides a mold for a bending machine, such as Figure 9 As shown, it includes the cutting tool 1 described in Embodiment 1, and also includes the lower die 5, as... Figure 10 As shown, the lower die 5 is provided with a snap-fit ​​punch core 51, which cooperates with the snap-fit ​​concave die core 21 to assist the bending machine in cutting corners on the workpiece or stamping anti-drop buckles on the workpiece.

[0047] In one possible implementation, such as Figure 2 and Figure 3 As shown, the shape of the forming die is the same as the shape of the anti-drop buckle. The length of the lower die 5 is not less than the length of the aluminum panel. The lower die 5 is used to support the aluminum panel. Before stamping, the connecting part 11 of the cutter 1 is connected to the bending machine to ensure a firm connection. One side of the aluminum panel to be processed is placed on the lower die 5. The stamping equipment (such as the bending machine) is started, causing the cutter 1 to move downward until the buckle die core 21 and the buckle punch core 51 are completely closed. The buckle die core 21 and the buckle punch core 51 apply pressure to one side of the aluminum panel, stamping the part of the aluminum panel in the die cavity into the shape of the anti-drop buckle. Then, the workpiece is bent by the bending machine, realizing the bending of the workpiece and the stamping of the anti-drop buckle on a single bending machine.

[0048] In another possible implementation, the snap-fit ​​shaped upper mold can be replaced with a chamfered upper mold, as shown in the example above. Figure 4 and Figure 5 As shown, the bottom of the upper mold 2 is a chamfered concave mold core, corresponding to, as Figure 12 As shown, the shape of the snap-fit ​​die core 21 is also replaced with a chamfered punch core.

[0049] Before starting the stamping process, connect the connecting part 11 of the cutting tool 1 to the bending machine, ensuring a secure connection. Place one side of the aluminum panel to be processed on the lower die 5, start the stamping equipment (such as the bending machine), and move the cutting tool 1 downwards until the corner-cutting die core 53 and the corner-cutting punch core 23 are completely closed, completing the corner-cutting operation on the aluminum panel. Then, the workpiece is bent using the bending machine.

[0050] In one possible implementation, to ensure that one side of the aluminum panel remains horizontal when placed on top of the lower mold 5, for reference, such as... Figure 13 As shown, the lower mold 5 has a slot 52, and the snap-fit ​​punch core 51 is disposed in the slot 52. The height of the snap-fit ​​punch core 51 is less than or equal to the depth of the slot 52.

[0051] In another possible implementation, the corner-cutting concave mold core 53 is set in the same way as the snap-fit ​​punch mold core 51, which will not be described again here.

[0052] For reference, a driving component is connected to the bottom of the snap-fit ​​punch core 51, which is used to drive the snap-fit ​​punch core 51 to move toward the snap-fit ​​die core 21.

[0053] It should be noted that the driving component is a conventional cylinder. The bottom of the snap-fit ​​punch core 51 is connected to the telescopic end of the cylinder. When the clamping part 12 of the cutter 1 abuts against one side of the aluminum panel, the cylinder is activated. The cylinder drives the snap-fit ​​punch core 51 to move toward the snap-fit ​​concave die core 21 until the snap-fit ​​concave die core 21 and the snap-fit ​​punch core 51 are completely closed, and the part of the aluminum panel in the mold cavity is stamped into the shape of the snap-fit.

[0054] This embodiment is applicable to situations where a portion of one side of an aluminum panel needs to be stamped into the shape of an anti-drop buckle, and then the side of the aluminum panel with the anti-drop buckle is bent. Specifically, firstly, one side of the aluminum panel to be processed is placed on the lower die 5, and the stamping equipment (such as a bending machine) is started, causing the cutter 1 to move downwards. When the clamping part 12 of the cutter 1 abuts against one side of the aluminum panel, the clamping part 12 and the lower die 5 press the side of the aluminum panel together. Since the thickness of the upper die 2 is less than or equal to the depth of the groove 120 and the height of the buckle punch core 51 is less than or equal to the depth of the slot 52, the side of the aluminum panel will not be squeezed into the shape of the anti-drop buckle at this time. A cylinder is still needed to drive the buckle... The punch core 51 moves toward the snap-fit ​​die core 21 until the snap-fit ​​die core 21 and the snap-fit ​​punch core 51 are completely closed, stamping the aluminum panel in the mold cavity into the shape of the anti-drop snap. Then, the cylinder drives the snap-fit ​​punch core 51 to reset, raising the cutter 1 to separate it from the aluminum panel. The side of the aluminum panel with the anti-drop snap is pushed out of the edge of the lower die 5 by the conveying mechanism of the bending machine. Then, the cutter 1 is lowered to press the aluminum panel tightly. Then, the side of the aluminum panel with the anti-drop snap is bent by the bending machine.

[0055] In another possible implementation, the snap-fit ​​punch core 51 is replaced with the corner-cutting die core 53. The corner-cutting process is the same as the above-described stamping process for preventing the snap-fit ​​from falling off, and will not be described again here.

[0056] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A tool for a bending machine, the tool being used for installation on the bending machine and assisting the bending machine in an operation of cutting an angle or press forming a drop-off preventing buckle or bending of a workpiece, characterized in that, The tool (1) comprises a connecting part (11) for connecting with a bending machine and a pressing part (12) connected with the connecting part (11) and used for pressing a workpiece to be bent, wherein a recess (120) is formed in the bottom of the pressing part (12), an upper die (2) is arranged in the recess (120), a buckle concave die core (21) or a corner cutting concave die core (23) is formed in the bottom of the upper die (2), the buckle concave die core (21) is used for assisting the bending machine to stamp and form an anti-falling buckle on the workpiece, and the corner cutting concave die core (23) is used for assisting the bending machine to cut corners of the workpiece.

2. The tool for a bending machine according to claim 1, characterized in that The thickness of the upper die (2) is less than or equal to the depth of the recess (120).

3. The tool for a bending machine according to claim 1, characterized in that A first connecting hole (121) is formed in the pressing part (12) and communicates with the recess (120), a second connecting hole (22) is formed in the top of the upper die (2) and corresponds to the first connecting hole (121), and the first connecting hole (121) and the second connecting hole (22) are connected through a connecting piece (3).

4. The tool for a bending machine according to claim 3, characterized in that An elastic piece (4) is arranged between the connecting piece (3) and the pressing part (12).

5. A die for a bending machine, characterized by, The tool (1) comprises the tool (1) according to any one of claims 1-4, and further comprises a lower die (5) provided with a buckle convex die core (51) or a corner cutting convex die core (53), wherein the buckle convex die core (51) is matched with the buckle concave die core (21) to assist the bending machine to stamp and form an anti-falling buckle on the workpiece, or the corner cutting convex die core (53) is matched with the corner cutting concave die core (23) to assist the bending machine to cut corners of the workpiece.

6. The die for a bending machine according to claim 5, wherein A hole groove (52) is formed in the lower die (5), and the buckle convex die core (51) or the corner cutting convex die core (53) is arranged in the hole groove (52).

7. The die for a bending machine according to claim 6, wherein The height of the buckle convex die core (51) or the corner cutting convex die core (53) is less than or equal to the depth of the hole groove (52).

8. The die for a bending machine according to claim 7, wherein A driving piece is connected to the bottom of the buckle convex die core (51) or the corner cutting convex die core (53), and the driving piece is used to drive the buckle convex die core (51) or the corner cutting convex die core (53) to move towards the buckle concave die core (21).

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