Bending forming auxiliary mechanism of sheet metal part

By using a segmented, retractable pressure block structure and a pressure detection system, the problem of breakage caused by excessive downward pressure during the bending of sheet metal parts is solved, thus protecting the sheet metal parts and reducing the defect rate.

CN223811432UActive Publication Date: 2026-01-20WUHU BAIDE METAL PROD CO LTD
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Patent Information

Application Number
CN202423216973.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-20
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In the bending process of sheet metal parts, the excessive downward pressure caused by accidental contact in the existing technology may cause the sheet metal parts to break, increasing the defect rate.

Method used

It adopts a segmented, retractable pressure block structure, equipped with pressure detection and electromagnet auxiliary components. The pressure plate detects the downward pressure, and when it exceeds the set value, the electromagnet is activated to retract the pressure block, providing a buffer space and avoiding damage to the sheet metal parts due to excessive pressure.

Benefits of technology

This effectively prevents sheet metal parts from breaking due to excessive downward pressure, reduces the defect rate, and improves the reliability and precision of processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sheet metal part bending, in particular to a sheet metal part bending forming auxiliary mechanism which comprises a bending machine, a supporting frame and a pressing block are arranged in the bending machine, an auxiliary assembly comprises two sliding grooves formed in the top of the supporting frame, lock holes are formed in the inner walls of the two sliding grooves, and pressure plates are arranged on the inner walls of the lock holes. A bottom block is arranged in the sliding groove, a magnetic plate is arranged on the outer wall of the top of the bottom block, a hole groove is formed in one side of the bottom block, and a protruding block is arranged in the hole groove. A telescopic rod is arranged outside the pressing block, a cavity is formed in the pressing block, and an activation button and an electromagnet are arranged in the cavity. According to the utility model, the pressing block for pressing and bending is changed into a segmented telescopic structure, the pressure during pressing of the sheet metal part is detected, when the pressing force is greater than a set value, the pressing block is contracted, the pressure applied to the sheet metal part is reduced, a buffer space is provided during bending contact, and the damage to a workpiece is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal bending technical field, concretely is a kind of sheet metal bending forming auxiliary mechanism. BACKGROUND

[0002] Sheet metal bending equipment is important equipment for bending metal plate into a specific shape in the field of metal processing. The bending equipment can bend the sheet metal into the required shape for manufacturing various metal structural parts. The sheet metal bending equipment is a key tool for realizing the forming processing of metal plate, which provides important support for the development of metal processing industry by improving production efficiency, ensuring processing precision and quality, and reducing cost.

[0003] However, in the prior art, the bending range of different areas needs to be adjusted by workers during the bending process, but during the adjustment, the workers may accidentally touch the larger pressure, which may cause the sheet metal to break when the larger pressure is applied to the sheet metal, affecting the use of the sheet metal and increasing the production of defective parts. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of sheet metal bending forming auxiliary mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of sheet metal bending forming auxiliary mechanism, including bending machine, the bending machine is internally provided with support frame and pressing block, the support frame and pressing block are internally provided with auxiliary assembly for correcting when pressure is too large when bending sheet metal, the auxiliary assembly includes two sliding grooves arranged at the top of support frame, the inner wall of two sliding grooves is provided with lock hole, the inner wall of lock hole is provided with pressure plate, the inside of sliding groove is provided with bottom block, the outer wall of the top of bottom block is provided with magnetic plate, the side of bottom block is provided with hole slot, the inside of hole slot is provided with protruding block;

[0007] The pressing block is provided with telescopic rod outside, the pressing block is provided with cavity inside, the cavity is provided with activation button and electromagnet inside.

[0008] As the preferred scheme of the utility model, the support frame is connected with the inside of bending machine by bolt, the inclined surface of the opposite side of two bottom blocks corresponds with the angle of pressing block, and one end is located in sliding groove, and is connected with the inner wall of sliding groove slidingly.

[0009] As the preferred scheme of the utility model, the hole slot is located on the outer wall of bottom block, and corresponds with the lock hole in sliding groove, and the one end of protruding block is located in hole slot, and is connected with the inner wall of hole slot slidingly.

[0010] As the preferred scheme of the utility model, the convex block is a conical structure, and can slide out and embed into the lock hole, and abut against and press the pressure plate of the inner wall of the lock hole, the pressure plate is electrically connected with the electromagnet.

[0011] As the preferred scheme of the utility model, the pressing block is a segmented structure, and is connected through the telescopic rod, the distance between the two segments is telescopic, one end of the pressing block is embedded into the bending machine, and is connected with the output end of the air cylinder of the top of the bending machine.

[0012] As the preferred scheme of the utility model, the activation button is connected with the inner wall of the cavity through the bolt, and is electrically connected with the convex block in the telescopic rod and the bottom block, the electromagnet is located in the cavity, and is slidably connected with the inner wall of the cavity, and the electromagnet is magnetically connected with the magnetic plate of the top of the bottom block.

[0013] Compared with the prior art, the utility model has the beneficial effects that: aiming at the problems in the background art, the auxiliary assembly is adopted, the segmented structure of the lower pressing block is matched with the bottom block, and the segmented structure can be contracted, when the sheet metal part is pressed and bent, the force is transmitted to the base due to the fact that the sheet metal part is supported above the base, and the convex block outside the base presses the pressure plate in the lock hole, the pressure of the sheet metal part during pressing and bending is detected by the pressure plate, when the pressure is greater than the set value, a signal is sent to control the base to contract, and the telescopic plate in the electromagnet and the pressing block is activated, so that the front segment of the pressing block is also contracted, thereby providing a separation space between the pressing block and the sheet metal part, reducing the pressure of the pressing block on the sheet metal part or avoiding contact, protecting the sheet metal part, and avoiding workpiece breakage caused by excessive pressure.

[0014] The utility model realizes that the pressing block for pressing and bending is changed into a segmented telescopic structure, the pressure during pressing the sheet metal part is detected, the pressing block is contracted when the pressing force is greater than the set value, the pressure applied to the sheet metal part is reduced, a buffer space is provided when the sheet metal part is bent, and damage to the workpiece is avoided. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the A part enlarged view of the utility model;

[0017] Figure 3 It is the internal section view of the supporting frame of the utility model;

[0018] Figure 4 It is the B part enlarged view of the utility model;

[0019] Figure 5 It is the internal section view of the pressing block of the utility model.

[0020] In the figure: 1, bending machine; 2, support frame; 201, sliding groove; 3, lock hole; 301, pressure plate; 4, bottom block; 401, magnetic plate; 402, hole groove; 5, protruding block; 6, pressing block; 601, telescopic rod; 7, cavity; 701, activation button; 8, electromagnet. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model. EMBODIMENT

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a sheet metal part bending forming auxiliary mechanism, including bending machine 1, the bending machine 1 inside is provided with support frame 2 and pressing block 6, the support frame 2 and pressing block 6 inside are provided with auxiliary assembly for correcting when pressure is too large when bending to sheet metal part, the auxiliary assembly includes two sliding grooves 201 being set in support frame 2 top, sliding groove 201 is used to limit the angle of bottom block 4 positioning, the inner wall of two described sliding grooves 201 is provided with lock hole 3, the angle of lock hole 3 corresponds with protruding block 5, the inner wall of lock hole 3 is provided with pressure plate 301, protruding block 5 is pushed out from hole groove 402 and embedded in lock hole 3 to support and lock bottom block 4 in conventional state, and protruding block 5 and pressure plate 301 in lock hole 3 abut, the force of down pressure when sheet metal part is down pressure is conducted to pressure plate 301, the pressure of down pressure can be detected by pressure plate 301, the inside of sliding groove 201 is provided with bottom block 4, the opposite area of two bottom blocks 4 is conical structure, and corresponds with pressing block 6, and is bent to sheet metal part, the top outer wall of bottom block 4 is provided with magnetic plate 401, magnetic plate 401 can repel after being activated with electromagnet 8 and electromagnet 8 generates magnetic force, one side of bottom block 4 is provided with hole groove 402, the inside of hole groove 402 is provided with protruding block 5, protruding block 5 is pushed out from hole groove 402 and embedded in lock hole 3 to lock the position of bottom block 4 in conventional state by support rod, and when sheet metal part is bent, bottom block 4 cooperates with protruding block 5 to conduct the down pressure to pressure plate 301 in lock hole 3.

[0023] The pressing block 6 is externally provided with a telescopic rod 601 for driving telescopic movement between the two sections of the pressing block 6, and is internally provided with a cavity 7, which is internally provided with an activation button 701 and an electromagnet 8.

[0024] The range setting of the pressure plate 301 detection when the pressing block 6 adjusts the downward pressure is also adjusted.

[0025] All electrical elements in the embodiment are controlled by a conventional controller.

[0026] Embodiment, please refer to Figures 1-5 The support frame 2 is connected to the inside of the bending machine 1 through bolts, the inclined surface on one side of the two bottom blocks 4 corresponds to the angle of the pressing block 6, and one end is located in the sliding groove 201 and is in sliding connection with the inner wall of the sliding groove 201, the hole groove 402 is located on one side of the outer wall of the bottom block 4 and corresponds to the lock hole 3 in the sliding groove 201, one end of the protruding block 5 is located in the hole groove 402 and is in sliding connection with the inner wall of the hole groove 402, the protruding block 5 is a conical structure and can slide out and embed in the lock hole 3 inside the hole groove 402 and abut against the pressure plate 301 in the inner wall of the lock hole 3 to press the pressure plate 301, the pressure plate 301 is in electrical connection with the electromagnet 8, the pressing block 6 is in a segmented structure and is connected between the two sections through the telescopic rod 601, which makes the distance between the two separated sections telescopic, one end of the pressing block 6 is embedded in the bending machine 1 and is connected with the output end of the air cylinder on the top of the bending machine 1, the activation button 701 is connected with the inner wall of the cavity 7 through bolts and is in electrical connection with the telescopic rod 601 and the protruding block 5 in the bottom block 4, the electromagnet 8 is located in the cavity 7 and is in sliding connection with the inner wall of the cavity 7, and the electromagnet 8 is in magnetic connection with the magnetic plate 401 on the top of the bottom block 4. In use, first place the sheet metal part on the designated position of the bottom block 4, then control the pressing block 6 to descend and press the sheet metal part in cooperation with the bottom block 4 to bend, the downward force is conducted to the protruding block 5 through the sheet metal part and the bottom block 4 and presses the pressure plate 301 in the lock hole 3, when the pressure plate 301 detects that the downward force exceeds the set range, a signal is sent to control the electromagnet 8 to generate a magnetic pole and repel the magnetic plate 401 on the top of the bottom block 4, thereby pushing the electromagnet 8 to slide away in the cavity 7 and press the activation button 701 to trigger, control the telescopic rod 601 and the supporting rod in the hole groove 402 to shrink to drive the output section of the pressing block 6 to shrink, at the same time the protruding block 5 shrinks into the hole groove 402, which increases the space between the pressing block 6 and the sheet metal part and reduces the downward pressure on the sheet metal part to protect the sheet metal part.

[0027] The utility model work flow: first place sheet metal spare in bottom piece 4 specified position on use, then through control makes the pressing block 6 drop to press the sheet metal spare cooperation bottom piece 4 and press the bending, the force of pressing in the process of pressing is conducted to the convex block 5 through sheet metal spare and bottom piece 4 and carries out press to the pressure plate 301 in lock hole 3, when pressure plate 301 detects that the pressing force exceeds the setting range, sends out the signal control electromagnet 8 and activates the magnetic pole and with the magnetic plate 401 on the top of bottom piece 4 magnetic repulsion, thereby promotes electromagnet 8 and slides away in cavity 7 and press the trigger of activation button 701, control telescopic rod 601 and the support rod in hole groove 402 contract and drive the output section of pressing block 6 contract, simultaneously convex block 5 contracts into hole groove 402, improve the space between pressing block 6 and sheet metal spare, reduce the pressing force to sheet metal spare, protect sheet metal spare. The utility model realizes the pressing block of pressing and bending to change into sectional telescopic structure, and the pressure detection when pressing sheet metal spare, when the pressing force is greater than the setting, makes the pressing block contract, reduces the pressure that sheet metal spare applies, provides the buffer space when bending contact, avoids damaging the workpiece.

[0028] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bending forming auxiliary mechanism for sheet metal parts, comprising a bending machine (1), a support frame (2) and a pressing block (6) are arranged inside the bending machine (1), the support frame (2) and the pressing block (6) are internally provided with an auxiliary assembly for correcting when the pressure is too large when bending the sheet metal parts, characterized in that: The auxiliary assembly includes two sliding grooves (201) arranged on the top of the support frame (2), the inner wall of each of the two sliding grooves (201) is provided with a lock hole (3), the inner wall of the lock hole (3) is provided with a pressure plate (301), the inside of the sliding groove (201) is provided with a bottom block (4), the outer wall of the top of the bottom block (4) is provided with a magnetic plate (401), one side of the bottom block (4) is provided with a hole slot (402), and the inside of the hole slot (402) is provided with a protruding block (5). The outside of the pressing block (6) is provided with a telescopic rod (601), the inside of the pressing block (6) is provided with a cavity (7), the inside of the cavity (7) is provided with an activation button (701) and an electromagnet (8).

2. The bending forming auxiliary mechanism for sheet metal parts according to claim 1, characterized in that: The support frame (2) is connected to the inside of the bending machine (1) by bolts, the inclined surface on the opposite side of each of the two bottom blocks (4) corresponds to the angle of the pressing block (6), and one end is located in the sliding groove (201) and is connected to the inner wall of the sliding groove (201) in a sliding manner.

3. The bending forming auxiliary mechanism of a sheet metal part according to claim 1, characterized in that: The hole slot (402) is located on the outer wall of the bottom block (4) and corresponds to the lock hole (3) in the sliding groove (201), one end of the protruding block (5) is located in the hole slot (402) and is connected to the inner wall of the hole slot (402) in a sliding manner.

4. The bending forming auxiliary mechanism of a sheet metal part according to claim 1, characterized in that: The protruding block (5) is a conical structure and can slide out of the hole slot (402) and be embedded in the lock hole (3), and abuts against the pressure plate (301) on the inner wall of the lock hole (3) to press the pressure plate (301), the pressure plate (301) is electrically connected to the electromagnet (8).

5. The bending forming auxiliary mechanism for sheet metal parts according to claim 1, characterized in that: The pressing block (6) is a segmented structure and is connected by the telescopic rod (601), the telescopic rod (601) enables the distance between the two separated segments to be extended and retracted, one end of the pressing block (6) is embedded in the bending machine (1) and is connected to the output end of the air cylinder on the top of the bending machine (1).

6. The bending forming auxiliary mechanism of a sheet metal part according to claim 1, characterized in that: The activation button (701) is connected to the inner wall of the cavity (7) by bolts and is electrically connected to the telescopic rod (601) and the protruding block (5) in the bottom block (4), the electromagnet (8) is located in the cavity (7) and is connected to the inner wall of the cavity (7) in a sliding manner, and the electromagnet (8) is magnetically connected to the magnetic plate (401) on the top of the bottom block (4).