Punching device for C-shaped steel machining

Abstract

The utility model relates to the technical field of anti-seismic support and hanger machining equipment, in particular to a punching device for C-shaped steel machining, which comprises a mounting frame, a base fixedly mounted on the lower portion of the interior of the mounting frame, a hydraulic cylinder fixedly mounted on the mounting frame and located above the base, and a punch piece fixedly mounted at the output end of the hydraulic cylinder. A sliding area is formed in a punching area of the punch piece, a filing piece is longitudinally arranged in the sliding area in a sliding mode, and two adjusting assemblies used for controlling the sliding area to slide are symmetrically arranged at the position, located at the top end of the filing piece, of the sliding area. Through the arrangement of the filing part, the adjusting assembly and the touch assembly, continuous actions of punching and deburring are achieved in the same punching stroke through mechanical linkage of the punch part and the filing part, continuous micro-amplitude disturbance can be generated on the hole wall in the punching return stroke stage through low-frequency shaking of the punch part, hole diameter shrinkage caused by material springback is counteracted, and the punching precision is improved. And high-frequency micro-impact can be generated on the hole wall, so that a composite effect of sliding cutting and vibration crushing is formed.

Description

Technical Field

[0001] This utility model relates to the technical field of seismic bracing and support processing equipment, and in particular to a punching device for processing C-shaped steel. Background Technology

[0002] Seismic bracing systems are components used for the seismic reinforcement of building electromechanical systems (such as pipes, cable trays, and air ducts). They mainly consist of anchors, reinforcing rods, seismic connection components, and C-shaped steel (or channel steel) profiles. The C-shaped steel is the core supporting structural component, providing horizontal seismic support. Its cross-sectional shape (similar to a "C") combines strength and lightweight characteristics, facilitating on-site installation and connection. The C-shaped steel requires the machining of numerous regularly arranged connection holes (such as bolt holes and elliptical holes) for rapid assembly with seismic connection components (such as seismic tube bundles and connecting plates).

[0003] A multi-functional punching device for processing C-shaped steel is disclosed in Chinese Patent Publication No. CN222519691U. This multi-functional punching device for processing C-shaped steel uses a second hydraulic cylinder to control the punch to pass through the C-shaped steel, thus completing the punching of the C-shaped steel. However, according to punching devices provided in related fields and existing technologies, burrs will remain in the hole after punching the C-shaped steel. Burrs will increase the actual inner diameter error of the hole, making it difficult for bolts, pins and other connecting parts to pass through smoothly, or causing assembly stress due to burr extrusion, affecting assembly efficiency and accuracy. Existing C-shaped steel punching devices usually require punching first and then transferring the workpiece to a separate deburring station. The workpiece needs to be clamped and transported multiple times, which is especially time-consuming for batch production. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a punching device for C-shaped steel processing.

[0005] The objective of this utility model is achieved through the following technical solution: a punching device for C-shaped steel processing, comprising a mounting frame, a base fixedly mounted inside the mounting frame at its lower part, a hydraulic cylinder fixedly mounted above the base, a punch fixedly mounted at the output end of the hydraulic cylinder, a sliding area being provided in the punching area of ​​the punch, a filing element being longitudinally slidable inside the sliding area, and two adjusting components for controlling the sliding of the filing element being symmetrically provided at the top of the sliding area; the adjusting components include a first fixed frame and a second fixed frame, the first fixed frame being fixedly mounted on the upper top surface of the sliding area, the second fixed frame being fixedly mounted on the top of the filing element, an elastic element being hinged between the first fixed frame and the second fixed frame, and a triggering component being provided at each position of the two elastic elements on the mounting frame for periodically controlling the deformation of the elastic elements when the punch moves.

[0006] Preferably, the elastic element is arc-shaped, and its two ends are hinged to the first fixing frame and the second fixing frame respectively via pivots.

[0007] Preferably, the triggering component includes a fixing rod fixedly installed on the inner side of the mounting bracket, a fixing block fixedly installed at the end of the fixing rod away from the mounting bracket, and a plurality of protrusions longitudinally fixed on the side of the fixing block facing the elastic member.

[0008] Preferably, the cross-sectional shape of the protrusion is triangular.

[0009] Preferably, the elastic element is provided with a roller on the side facing the fixed block, and the roller is located in the middle of the elastic element.

[0010] Preferably, the base has a discharge hole corresponding to the position of the punch.

[0011] Beneficial effects:

[0012] The punching device for C-shaped steel processing, by setting up a filing component, an adjustment component, and a trigger component, utilizes the mechanical linkage between the punch and the filing component to achieve continuous punching and deburring actions in the same stamping stroke. Furthermore, the reciprocating sliding of the filing component on the outer surface of the punch causes the punch to vibrate at a low frequency. This low-frequency vibration of the punch can generate continuous micro-disturbance on the hole wall during the return stroke of the stamping process, offsetting the hole diameter shrinkage caused by material springback, and can also generate high-frequency micro-impact on the hole wall, forming a composite effect of "sliding cutting + vibration crushing", avoiding the phenomenon of burrs rolling up and not breaking during traditional unidirectional filing. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the first working state of the punch component of this utility model;

[0015] Figure 2 This is a schematic diagram of the second working state of the punch component of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the trigger component of this utility model;

[0017] Figure 4This is a schematic diagram of the sliding region of this utility model;

[0018] Figure 5 This is a schematic diagram showing the state of the file component of this utility model when it slides downwards;

[0019] Figure 6 This utility model Figure 6 Enlarged structural diagram at point A;

[0020] Figure 7 This is a schematic diagram showing the state of the file component of this utility model when it slides upward;

[0021] Figure 8 This utility model Figure 8 Enlarged schematic diagram of the structure at point B.

[0022] In the diagram: 1. Mounting bracket; 2. Base; 201. Material drop hole; 3. Hydraulic cylinder; 4. Punch component; 401. Sliding area; 5. Filing component; 6. Adjustment component; 601. First fixed bracket; 602. Second fixed bracket; 603. Elastic component; 6031. Roller; 7. Actuating component; 701. Fixed rod; 702. Fixed block; 703. Protrusion. Detailed Implementation

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Additional aspects and advantages of this invention will be further set forth in the description which follows in conjunction with the accompanying drawings, and in part will be obvious from the description or may be learned by practice of the invention.

[0025] like Figures 1 to 8As shown, a punching device for processing C-shaped steel includes a mounting frame 1. A base 2 is fixedly mounted inside the lower part of the mounting frame 1. A hydraulic cylinder 3 is fixedly mounted on the mounting frame 1 above the base 2. A punch 4 is fixedly mounted on the output end of the hydraulic cylinder 3. A material discharge hole 201 is opened on the base 2 corresponding to the position of the punch 4. A sliding area 401 is opened in the punching area of ​​the punch 4. A file 5 is longitudinally slidably arranged inside the sliding area 401. Two adjusting components 6 for controlling its sliding are symmetrically arranged at the top of the file 5 in the sliding area 401. The adjusting components 6 include a first fixed frame 601 and a second fixed frame 602. The first fixed bracket 601 is fixedly installed on the upper top surface of the sliding area 401, and the second fixed bracket 602 is fixedly installed on the top of the file 5. An elastic element 603 is hinged between the first fixed bracket 601 and the second fixed bracket 602. The elastic element 603 is arc-shaped, and its two ends are hinged to the first fixed bracket 601 and the second fixed bracket 602 respectively through a rotating shaft (when the elastic element 603 experiences metal fatigue, the rotating shaft can be pulled out to replace the elastic element 603). The mounting bracket 1 is provided with a trigger component 7 at the position corresponding to the two elastic elements 603 for periodically controlling the deformation of the elastic element 603 when the punch 4 moves.

[0026] like Figures 1 to 3 As shown, the actuating component 7 includes a fixing rod 701 fixedly installed on the inner side of the mounting bracket 1. A fixing block 702 is fixedly installed at the end of the fixing rod 701 away from the mounting bracket 1. Multiple protrusions 703 are longitudinally fixed on the side of the fixing block 702 facing the elastic member 603, such as... Figure 6 and Figure 8 As shown, the cross-sectional shape of the protrusion 703 is triangular, and the elastic member 603 is provided with a roller 6031 rotatably facing the fixed block 702. The roller 6031 is located in the middle of the elastic member 603; as shown Figures 3 to 8 As shown, by utilizing the cooperation between the roller 6031 and multiple protrusions 703, the filing component 5 can reciprocate in the sliding area 401 when the punch 4 rises or falls. Through the mechanical linkage between the punch 4 and the filing component 5, a continuous action of "punching contact with material → stamping and forming → return filing and deburring" is achieved in the same stamping stroke, avoiding the time loss of "transferring the workpiece to the deburring station after punching" in the traditional process. At the same time, the reciprocating sliding of the filing component 5 on the outer surface of the punch 4 can promote the punching process. The punch head 4 is subjected to low-frequency vibration. The low-frequency vibration of the punch head 4 can generate continuous micro-amplitude disturbance to the hole wall during the return stroke of the punch, which can counteract the hole diameter shrinkage caused by material springback. It can also generate high-frequency micro-impact on the hole wall, forming a composite effect of "sliding cutting + vibration crushing". For brittle materials (such as cast iron), vibration can cause micro-cracks at the root of the burr, accelerating the fracture and falling off. For tough materials (such as stainless steel), vibration can destroy the ductility of the burr, avoiding the phenomenon of "burr curling up without breaking" that occurs in traditional unidirectional filing.

[0027] The work process is as follows:

[0028] S1: As Figure 1 , Figure 6 and Figure 8 As shown, when the hydraulic cylinder 3 controls the punch 4 to rise or fall, the roller 6031 on the elastic member 603 will contact the multiple protrusions 703 on the fixed block 702.

[0029] S2: As Figure 1 , Figure 2 , Figure 6 and Figure 8 As shown, when the roller 6031 is between two adjacent protrusions 703, the elastic force of the elastic element 603 can cause the second fixed frame 602 to drive the file 5 to slide upward.

[0030] S3: As Figures 5 to 8 As shown, when the roller 6031 is at the tip of the protrusion 703, the roller 6031 will cause the elastic member 603 to deform, thereby causing the second fixed frame 602 to drive the file member 5 to slide downward.

[0031] S4: In summary, by utilizing the cooperation between the roller 6031 and multiple protrusions 703, the filing component 5 can reciprocate in the sliding area 401 when the punch 4 rises or falls. Through the mechanical linkage between the punch 4 and the filing component 5, the continuous action of "punching contact with material → stamping and forming → return filing and deburring" can be achieved in the same stamping stroke, avoiding the time loss of "transferring the workpiece to the deburring station after punching" in the traditional process.

[0032] S5: The reciprocating sliding of the file 5 on the outer surface of the punch 4 can cause the punch 4 to vibrate at a low frequency. The low-frequency vibration of the punch 4 can generate continuous micro-amplitude disturbance to the hole wall during the stamping return stage, which can offset the hole diameter shrinkage caused by material springback. It can also generate high-frequency micro-impact on the hole wall, forming a composite effect of "sliding cutting + vibration crushing". For brittle materials (such as cast iron), the vibration can cause micro-cracks at the root of the burr, accelerating the fracture and falling off. For tough materials (such as stainless steel), the vibration can destroy the ductility of the burr, avoiding the phenomenon of "burr curling up without breaking" that occurs in traditional unidirectional filing.

[0033] The hydraulic cylinder 3 and punch 4 described in this application are known in the art, therefore their specific structures and working principles are not described in detail.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A piercing device for C-shaped steel processing, characterized in that: The utility model relates to a hydraulic punching device, including the mounting frame (1), the base (2) is fixedly installed in the lower portion of the mounting frame (1) interior, the hydraulic cylinder (3) is fixedly installed on the upper portion of the base (2) of the mounting frame (1), the output end of the hydraulic cylinder (3) is fixedly installed with punch piece (4), the punch area of punch piece (4) is equipped with sliding area (401), the inside longitudinal sliding of sliding area (401) is equipped with the file movement piece (5), the sliding area (401) is located the top end symmetry of file movement piece (5) and is equipped with two adjusting assembly (6) for controlling its sliding, The adjusting assembly (6) includes a first fixed frame (601) and a second fixed frame (602), the first fixed frame (601) is fixedly installed on the upper top surface of the sliding area (401), the second fixed frame (602) is fixedly installed on the top end of the file movement piece (5), the first fixed frame (601) is hinged with elastic element (603) between the second fixed frame (602), the mounting frame (1) is equipped with the touch subassembly (7) for periodically controlling the deformation of the elastic element (603) when the punch piece (4) moves in the position of two elastic element (603).

2. The punching device for C-shaped steel processing according to claim 1, characterized in that: The shape of the elastic element (603) is arc, and the two ends of the elastic element (603) are hinged with the first fixed frame (601) and the second fixed frame (602) through the rotating shaft respectively.

3. The punching device for C-shaped steel processing according to claim 2, characterized in that: The touch subassembly (7) includes a fixed rod (701) fixedly installed on the inner side of the mounting frame (1), a fixed block (702) is fixedly installed on the end of the fixed rod (701) away from the mounting frame (1), a plurality of convex blocks (703) are fixedly arranged on the side of the fixed block (702) towards the elastic element (603).

4. The punching device for C-shaped steel processing according to claim 3, characterized in that: The cross section shape of the convex block (703) is triangle.

5. The punching device for C-shaped steel processing according to claim 4, characterized in that: The side of the elastic element (603) towards the fixed block (702) is rotationally provided with a rolling shaft (6031), and the rolling shaft (6031) is arranged at the middle of the elastic element (603).

6. The punching device for C-shaped steel processing according to claim 1, characterized in that: The base (2) is provided with a blanking hole (201) corresponding to the position of the punch piece (4).

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