Metal fitting bending device

By designing a metal parts bending device with an adjustable fixed base and replaceable molds, the problems of low bending efficiency and limited applicability of traditional metal parts have been solved, and efficient and precise processing of multi-specification metal parts has been achieved.

CN224026199UActive Publication Date: 2026-03-24CHANGNING FUHONG SPRING CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional metal fitting bending processes are inefficient and produce inconsistent quality. In particular, thin metal sheets are difficult to fix, and the non-removable fixing base limits their applicability.

Method used

A metal fitting bending device was designed, including an adjustable tilt angle fixing seat, a fixing structure adapted to the cutting plane and slot, and a replaceable pressing mechanism, which drives the mold through a cylinder to achieve processing of various specifications and angles.

Benefits of technology

It improves the stability and precision of bending metal parts, expands the scope of application, and reduces production costs and cycle time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a metal fitting bending device which comprises a working table, a base, a supporting seat, a fixing seat and a pressing mechanism, and by controlling the inclination angle of the fixing seat, the inclination angle of a sectioning plane, the fit clearance between a fixing rod and a through hole, the width of a gap groove and other parameters, the bending machining precision of a metal fitting is remarkably improved; the downward pressing mechanism is driven by the air cylinder, the bending die can be replaced, and the machining flexibility and the application range of the device are enhanced; and the fixed seat is provided with a transition fillet, so that scratch or damage in the machining process is avoided, and the machining stability is ensured. The bending device is simple in structure, convenient to operate, high in machining efficiency and suitable for machining various metal fittings with different sizes, models and bending angles, the production cost is effectively reduced, the production period is effectively shortened, and the production efficiency and economic benefits are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing equipment technical field, concretely relates to a metal fitting bending device. BACKGROUND

[0002] In the metal processing industry, the bending processing of metal fittings is one of the common processes. The traditional metal fitting bending usually relies on manual operation, which is not only inefficient, but also difficult to ensure the consistency of processing quality, especially for thin metal plates, which are more difficult to process due to their variability, difficulty in fixing and other characteristics. In addition, the traditional bending device often uses a fixed seat, which cannot adapt to metal fittings of different sizes, limiting its application range. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a metal fitting bending device to solve the problems of thin metal fittings being difficult to fix, inconsistent processing quality, and limited application range caused by the fixed seat being not detachable.

[0004] To achieve the above purpose, the embodiments of the utility model adopt the following technical solutions:

[0005] A metal fitting bending device, comprising: a workbench, a base, a support seat, a fixed seat and a pressing mechanism; the base is fixedly arranged on the workbench, and a first through hole is formed in the axial center of the base, and a pair of threaded holes communicating with the first through hole are radially formed; one end of the support seat is inserted into the first through hole of the base, and the radial fixation of the support seat is realized by rotating the locking bolt into the threaded hole; the other end of the support seat is axially provided with a second through hole and radially provided with a third through hole communicating with the second through hole, and the fixed seat is provided with a fixed rod matched with the third through hole at the bottom, and the fixed rod is axially fixed by rotating the positioning bolt into the second through hole; the fixed seat is arranged on the support seat at an inclination angle of 30°-60°, the top of the fixed seat is provided with a gap slot, and the top surfaces on both sides of the gap slot form cut planes with an inclination angle of 10°-20°; the pressing mechanism comprises a bending die that can be vertically lifted, and the lower end surface of the bending die is a U-shaped structure.

[0006] In one embodiment, the inclination angle of the fixed seat is adjusted to 45°, and the matching gap between the fixed rod and the third through hole is 0.1-0.5mm.

[0007] In one embodiment, the inclination angle of the cut plane is 15°, and the included angle formed by the cut plane and the gap slot is matched with the target bending angle of the metal piece to be bent.

[0008] In one embodiment, each plane joint of the fixing seat is provided with a transition fillet, and a radius of curvature R of the transition fillet is 2-5 mm.

[0009] In one embodiment, the width of the gap slot is 1-1.2 times the thickness of the metal piece to be bent.

[0010] In one embodiment, the pressing mechanism comprises a cylinder, a guide column and a die mounting seat, the cylinder is connected with the die mounting seat, and the bending die is replaceably mounted at the lower part of the die mounting seat.

[0011] The metal fitting bending device has the advantages that by controlling the inclination angle of the fixing seat, the inclination angle of the section plane and the width of the gap slot, the stability and accuracy of the metal fitting in the bending process are ensured, the deformation and deviation of the metal fitting in the bending process are effectively avoided, the processing precision and product quality are improved, the pressing mechanism is driven by the cylinder, the bending die is replaceably mounted at the lower part of the die mounting seat, the fixing rod at the bottom of the fixing seat is screw-connected with the second through hole of the supporting seat, the operator can replace the bending die and the fixing seat of different specifications and shapes according to different processing requirements, the processing flexibility of the device is enhanced, the device can be applied to the processing of metal fittings of different sizes, models and bending angles, and the production cost and cycle are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0013] Figure 1 It is the structural schematic diagram of the metal fitting bending device of the utility model.

[0014] Figure 2 It is the structural schematic diagram of the workbench of the utility model.

[0015] Figure 3 It is the structural schematic diagram of the metal fitting before processing of the utility model.

[0016] Figure 4 It is the structural schematic diagram of the metal fitting after processing of the utility model.

[0017] The reference signs are: 1, workbench; 2, base; 21, first through hole; 22, threaded hole; 23, locking bolt; 3, support seat; 31, second through hole; 32, third through hole; 4, fixing seat; 41, fixing rod; 42, positioning bolt; 43, gap slot; 5, pressing mechanism; 51, bending die. DETAILED DESCRIPTION

[0018] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0019] In addition, the terms "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected: it can be mechanically connected, or it can be electrically connected: it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor are within the scope of protection of the present application.

[0022] As Figure 1 , Figure 2As shown, a metal fitting bending device, including a workbench 1, a base 2, a support seat 3 and a pressing mechanism 5. The base 2 is fixedly arranged on the workbench 1, and the axial center of the base 2 is provided with a first through hole 21, and a pair of threaded holes 22 symmetrically arranged in the radial direction and communicated with the first through hole 21. One end of the support seat 3 is inserted into the first through hole 21 of the base 2, and the radial fixation of the support seat 3 is realized by rotating the locking bolt 23 into the threaded hole 22. The other end of the support seat 3 is axially provided with a second through hole 31, and a third through hole 32 communicated with the second through hole 31 is radially arranged. The bottom of the fixed seat 4 is provided with a fixed rod 41 matched with the third through hole 32, and the fixed rod 41 is axially fixed by rotating the positioning bolt 42 into the second through hole 31. The fixed seat 4 is arranged on the support seat 3 at an inclination angle of 30°-60°, so as to adapt to the requirement of different bending angles. The fixed seat 4 is a cylindrical structure, and a gap groove 43 is arranged on the top of the fixed seat 4, and the two side top surfaces of the gap groove 43 form a cutting plane with an inclination angle of 10°-20°, so as to better fit and fix the metal fitting to be bent. The pressing mechanism 5 includes a bending die 51 which can vertically lift, so as to ensure that the metal fitting can be bent according to the predetermined angle.

[0023] Further, the inclination angle of the fixed seat 4 of the utility model is preferably 45°, which can meet the bending requirement of most metal fittings and ensure the stability and precision of processing. At the same time, the cooperation gap between the fixed rod 41 and the third through hole 32 is controlled to be between 0.1-0.5mm, so as to ensure the stability and firmness of the fixed seat 4 on the support seat 3.

[0024] In addition, the inclination angle of the cutting plane is preferably 15°, which can adapt to the bending angle of most metal fittings and ensure that the metal fitting remains stable and is not easy to deform during the bending process. The included angle between the cutting plane and the gap groove 43 is adapted to the target bending angle of the metal fitting to be bent, which further improves the precision and efficiency of processing.

[0025] In order to avoid scratching or damaging the metal fitting during processing, the utility model discloses a metal fitting bending device, and each plane connection of the fixed seat 4 is provided with a transition fillet, and the curvature radius R of the transition fillet is controlled to be between 2-5mm, so as to improve the processing quality of the metal fitting and prolong the service life of the fixed seat 4.

[0026] In order to better adapt to metal fittings of different thicknesses, the width of the gap groove 43 in the utility model is designed to be 1-1.2 times the thickness of the metal fitting to be bent, so as to ensure that the metal fitting is stably and firmly fixed in the gap groove 43, thereby improving the precision and stability of processing.

[0027] The metal fitting bending device, the lower pressing mechanism 5 comprises a cylinder, a guide column and a die mounting seat. The cylinder is connected with the die mounting seat, and the bending die 51 is replaceably installed at the lower part of the die mounting seat. The operator can replace the bending die 51 of different specifications and shapes according to different processing requirements, so that the application range of the metal fitting bending device is further expanded and the flexibility is improved.

[0028] In the use of the device, the operator first places the metal fitting to be bent in the gap groove 43 of the fixed seat 4 as shown in the drawings, starts the lower pressing mechanism 5, and drives the die mounting seat and the bending die 51 to move downward, so as to bend the metal fitting. After the processing is completed, the metal fitting is reset as shown in the drawings. The operator can replace different fixed seats 4 and bending dies 51 to adapt to metal fittings of different sizes and bending angles. Figure 3 Figure 4 The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can also be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the scope of the present application patent.

[0029] In order to make the ordinary skilled in the art more convenient to understand the improvement of the present application compared with the prior art, some drawings and descriptions of the present application have been simplified, and some other elements have been omitted in the present application file for the sake of clarity, and the ordinary skilled in the art should realize that these omitted elements can also constitute the content of the present application.

[0030] In order to make the ordinary skilled in the art more convenient to understand the improvement of the present application compared with the prior art, some drawings and descriptions of the present application have been simplified, and some other elements have been omitted in the present application file for the sake of clarity, and the ordinary skilled in the art should realize that these omitted elements can also constitute the content of the present application.​

Claims

1. A metal fitting bending device, characterized in that, include: The workbench (1), base (2), support seat (3), fixed seat (4), and pressing mechanism (5) are provided. The base (2) is fixedly mounted on the workbench (1). The base (2) has a first through hole (21) at its axial center and a pair of threaded holes (22) that communicate with the first through hole (21) are opened radially symmetrically. One end of the support seat (3) is inserted into the first through hole (21) of the base (2), and the support seat (3) is radially fixed by screwing in the locking bolt (23) into the threaded hole (22). The other end of the support seat (3) has a second through hole (31) at its axial direction and a third through hole (22) that communicates with the second through hole (31) radially. The fixing base (4) has a through hole (32) and a fixing rod (41) that mates with the third through hole (32) at the bottom. The fixing rod (41) is axially fixed by a positioning bolt (42) screwed into the second through hole (31). The fixing base (4) is set on the support base (3) with an inclination angle that can be adjusted from 30° to 60°. The top of the fixing base (4) has a slot (43). The top surfaces on both sides of the slot (43) form cutting planes with an inclination angle of 10° to 20°. The pressing mechanism (5) includes a bending die (51) that can be lifted vertically. The lower end face of the bending die (51) is a U-shaped structure.

2. The metal fitting bending device according to claim 1, characterized in that, The fixing base (4) is a cylindrical structure.

3. The metal fitting bending device according to claim 1, characterized in that, The tilt angle of the fixed seat (4) is adjusted to 45°, and the fitting clearance between the fixed rod (41) and the third through hole (32) is 0.1-0.5mm.

4. The metal fitting bending device according to claim 1, characterized in that, The angle of inclination of the cutting plane is 15°, and the angle formed by the cutting plane and the slot (43) is adapted to the target bending angle of the metal part to be bent.

5. The metal fitting bending device according to claim 1, characterized in that, The width of the slot (43) is 1-1.2 times the thickness of the metal part to be bent.

6. The metal fitting bending device according to claim 1, characterized in that, Each plane connection of the fixed base (4) is provided with a transition fillet, and the radius of curvature R of the transition fillet is 2-5mm.

7. The metal fitting bending device according to claim 1, characterized in that, The pressing mechanism (5) includes a cylinder, a guide column and a mold mounting base. The cylinder is connected to the mold mounting base, and the bending mold (51) is replaceably mounted on the lower part of the mold mounting base.