Punching die for C-shaped steel for steel structure

Abstract

The utility model discloses a punching die of C-shaped steel for a steel structure, which comprises a punching table, a material groove is arranged on the punching table, two limiting blocks capable of being attached to the inner wall of the C-shaped steel are arranged in the material groove, a punching groove is arranged in the material groove and between the two limiting blocks, a collecting groove is arranged at the bottom of the punching groove, and the collecting groove is connected with the material groove. Cutter grooves are formed in the tops of the two side walls of the material groove correspondingly, the cutter grooves and the stamping groove are located in the same vertical plane, hydraulic machines are arranged above the stamping table and on the two sides of the stamping table correspondingly, cutter frames are fixedly installed at the telescopic ends of the hydraulic machines, stamping cutters are installed on the cutter frames, and the stamping cutters can enter the material groove through the cutter grooves. The C-shaped steel is pushed into the material groove, the inner wall of the C-shaped steel is attached to the limiting block, the moving track of the C-shaped steel is limited through the limiting block, deflection in the moving process is prevented, and the hydraulic machines are arranged above the punching table and on the two sides of the punching table to push the punching cutter to punch the C-shaped steel.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching die for C-shaped steel used in steel structures. Background Art

[0002] C-shaped steel is a steel material with a cross-sectional shape similar to the English letter C. When used in the production of steel structures, a punching machine is used to punch holes for the convenience of connection, and the punching positions are generally the top or the two sides. In order to facilitate the punching of these two positions, the utility model proposes a punching die for C-shaped steel for steel structures. Summary of the invention

[0003] The utility model aims to provide a punching die for C-shaped steel used in steel structure, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching die for C-shaped steel for steel structure, comprising a stamping table, characterized in that: a material trough is provided on the stamping table, two limit blocks which can be fitted with the inner wall of the C-shaped steel are arranged in the material trough, a stamping groove is arranged in the material trough and between the two limit blocks, a collecting groove is provided at the bottom of the stamping groove, and knife grooves are respectively provided at the top of the two side walls of the material trough, the knife groove and the stamping groove are located on the same vertical plane, a hydraulic press is respectively provided above and on both sides of the stamping table, a knife holder is fixedly installed on the telescopic end of the hydraulic press, a stamping knife is installed on the knife holder, and the stamping knife can enter the material trough through the knife groove.

[0005] Preferably, a mounting groove is provided on the tool holder, and an end of the punching knife away from the tool groove is fixedly connected with a mounting plate, and the mounting plate can be inserted into the mounting groove.

[0006] Preferably, two limit rods are slidably provided on the tool holder, two positioning holes are provided on the mounting plate, and two limit holes are provided on the side of the mounting groove facing the tool groove, and the limit rods can pass through the positioning holes on the mounting plate and enter the limit holes.

[0007] Preferably, one end of the limiting rod away from the knife groove passes through the tool holder and is sleeved with a spring, one end of the spring is connected to the inner wall of the tool holder, and the other end is connected to a clamping ring installed on the limiting rod.

[0008] Compared with the prior art, the beneficial effects of the utility model are: by pushing the C-shaped steel into the material trough and making the inner wall of the C-shaped steel fit with the limit block, the limit block limits the moving trajectory of the C-shaped steel to prevent it from skewing during the movement, and by arranging a hydraulic press above and on both sides of the punching table to push the punching knife to punch the C-shaped steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1This is a front cross-sectional view of the punching groove of the utility model;

[0010] Figure 2 This is a top sectional view of the material trough of the utility model;

[0011] Figure 3 This is a schematic diagram of the front structure of the tool holder of the utility model.

[0012] In the figure: 1 punching table, 11 material trough, 12 limit block, 13 punching trough, 14 collecting trough, 15 knife groove, 21 hydraulic press, 22 tool holder, 23 mounting groove, 24 limit hole, 25 limit rod, 26 retaining ring, 27 spring, 3 punching knife, 31 positioning hole. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] Referring to Figures (1-3), a punching die for C-shaped steel for steel structure includes a punching table 1, characterized in that: a material trough 11 is provided on the punching table 1, and two limit blocks 12 that can fit with the inner wall of the C-shaped steel are arranged in the material trough 11, a punching groove 13 is arranged in the material trough 11 and between the two limit blocks 12, a collecting groove 14 is provided at the bottom of the punching groove 13, and knife grooves 15 are respectively provided on the top of the two side walls of the material trough 11, and the knife grooves 15 and the punching grooves 13 are located on the same vertical plane, hydraulic presses 21 are respectively arranged above and on both sides of the punching table 1, and a knife holder 22 is fixedly installed on the telescopic end of the hydraulic press 21, and a punching knife 3 is installed on the knife holder 22, and the punching knife 3 can enter the material trough 11 through the knife groove 15.

[0015] The tool holder 22 is provided with a mounting groove 23, and the end of the punching knife 3 away from the knife groove 15 is fixedly connected to a mounting plate, and the mounting plate can be inserted into the mounting groove 23. Two limiting rods 25 are slidably provided on the tool holder 22, and two positioning holes 31 are provided on the mounting plate. Two limiting holes 24 are provided on the side of the mounting groove 23 facing the knife groove 15, and the limiting rod 25 can pass through the positioning holes 31 on the mounting plate and enter the limiting holes 24. The end of the limiting rod 25 away from the knife groove 15 passes through the tool holder 22 and is covered with a spring 27, one end of the spring 27 is connected to the inner wall of the tool holder 22, and the other end is connected to a clamping ring 26 installed on the limiting rod 25.

[0016] When the device is in use, the C-shaped steel is inserted from one end of the material trough 11, and the limit block 12 is inserted into the C-shaped steel and fits the inner wall of the C-shaped steel, and the C-shaped steel is pushed to move along the limit block 12 to the punching groove 13, and the hydraulic press 21 on the top or one side of the punching table 1 is controlled to push the punching knife 3 from the knife groove 15 into the material trough 11 to punch the C-shaped steel, and the waste material pressed out by the punching falls into the collection groove 14 at the bottom of the punching groove 13. Different shapes and sizes of holes require different tools. When replacing the punching knife 3, the limit rod 25 can be pulled first. Pull the limit rod 25 out of the limit hole 24 and the positioning hole 31, so that the mounting plate of the punching knife 3 can slide out of the mounting groove 23, and then put in a new punching knife, loosen the limit rod 25, and let the limit rod 25 be pushed into the positioning hole of the new punching knife mounting plate again under the action of the spring 27, and enter the limit hole 24 to limit the sliding of the punching knife.

[0017] The orientations or positional relationships shown in the drawings are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0019] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A punching die for C-shaped steel for steel structure, comprising a punching table (1), characterized in that: The punching platform (1) is provided with a material trough (11), and two limit blocks (12) are arranged in the material trough (11) and can be fitted with the inner wall of the C-shaped steel. A punching groove (13) is arranged in the material trough (11) and between the two limit blocks (12). A collecting groove (14) is arranged at the bottom of the punching groove (13). The tops of the two side walls of the material trough (11) can be respectively provided with knife grooves (15), and the knife grooves (15) and the punching grooves (13) are located on the same vertical plane. Hydraulic presses (21) are respectively arranged above and on both sides of the punching platform (1). A knife holder (22) is fixedly installed on the telescopic end of the hydraulic press (21), and a punching knife (3) is installed on the knife holder (22), and the punching knife (3) can enter the material trough (11) through the knife groove (15).

2. The punching die for C-shaped steel for steel structure according to claim 1, characterized in that: The knife holder (22) is provided with a mounting groove (23), and one end of the punching knife (3) away from the knife groove (15) is fixedly connected with a mounting plate, and the mounting plate can be inserted into the mounting groove (23).

3. The punching die for C-shaped steel for steel structure according to claim 2, characterized in that: Two limiting rods (25) are slidably arranged on the tool holder (22), two positioning holes (31) are provided on the mounting plate, and two limiting holes (24) are provided on a side of the mounting groove (23) facing the tool groove (15), and the limiting rods (25) can pass through the positioning holes (31) on the mounting plate and enter the limiting holes (24).

4. The punching die for C-shaped steel for steel structure according to claim 3, characterized in that: One end of the limiting rod (25) away from the knife groove (15) passes through the knife holder (22) and is sleeved with a spring (27); one end of the spring (27) is connected to the inner wall of the knife holder (22), and the other end is connected to a clamping ring (26) installed on the limiting rod (25).

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