Stamping die with punch convenient to replace

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die with a punch convenient to replace. According to the technical scheme, the punching device comprises a lower die base, a sliding column, an upper die base, a punching head and an electromagnetic block, the lower die base and the upper die base are connected in a sliding mode through the sliding column, the punching head is movably inserted into the upper die base, a sliding rod is elastically installed in the punching head in a telescopic mode, and the electromagnetic block is arranged in the upper die base. One end of the sliding rod is inserted into the upper die base under the magnetic attraction effect of the electromagnetic block. Generation and disappearance of electromagnetic attraction force are controlled through cooperation of the structures, so that the stamping head is rapidly disassembled and assembled, and the time for replacing the stamping head is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a stamping die which is convenient for replacing a punch. Background Art

[0002] Stamping is the process of applying pressure to the material at room temperature using a die installed on a press to cause it to separate or plastically deform. Stamping dies are often used to process parts.

[0003] Since various hardware parts need to be punched and cut during the production process, the punch will wear out after a period of use, and it is necessary to replace the punch;

[0004] The existing punch and the die are fixed with multiple bolts, and multiple bolts need to be disassembled and assembled during disassembly and assembly, which is very inconvenient and time-consuming, affecting the processing efficiency.

[0005] For this reason, we propose a stamping die that is easy to replace the punch to solve the existing problem. Utility Model Content

[0006] The utility model aims to solve the problems existing in the background technology and to provide a punching die which is convenient for replacing the punch.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping die that is easy to replace the punch, comprising a lower die base, a sliding column, an upper die base, a punch head and an electromagnetic block, the lower die base and the upper die base are slidably connected by the sliding column, the punch head is movably inserted into the upper die base, a sliding rod is elastically and telescopically installed in the punch head, an electromagnetic block is provided in the upper die base, and one end of the sliding rod is inserted into the upper die base under the magnetic attraction of the electromagnetic block.

[0008] Preferably, sliding holes adapted to the sliding posts are provided at the four corners of the lower die base and the upper die base, and the sliding posts are slidably inserted in the sliding holes.

[0009] Preferably, a pin groove is provided on the upper die seat;

[0010] A sleeve rod is installed on the electromagnetic block, and a positioning seat is provided at the other end of the sleeve rod, and the positioning seat is fixed to the outer wall of the upper die seat by bolts;

[0011] A conducting wire is arranged inside the sleeve rod, and two ends of the conducting wire are electrically connected to the positioning seat and the electromagnetic block respectively.

[0012] Preferably, a slide groove is provided at the upper end of the punch head, a slider is slidably installed in the slide groove, and a slide rod is provided on the slider;

[0013] A spring is movably sleeved on the slide bar, the spring is located between the slide groove and the slider, and the original length of the spring is greater than the depth of the slide groove;

[0014] One end of the slide rod passes through the upper die seat and contacts the working end of the electromagnetic block.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model is convenient for replacing the punching head of the punching die. During use, the punching die can be placed on a designated machine platform. During operation, the upper die seat moves downward under the drive of the power device, and the punching head cooperates with the lower die seat to punch and form the workpiece. When the punching head needs to be replaced, the power supply of the electromagnetic block is disconnected, so that the electromagnetic block loses its magnetic attraction. Without the magnetic attraction, the slide bar retracts into the punching head under the elastic force of the spring, and the punching head can be removed from the upper die seat.

[0017] Replace the new punch head and insert it into the upper die seat. At this time, turn on the power of the electromagnetic block. Under the action of magnetic attraction, the slide rod drives the slider to slide in the slide groove. At this time, the spring is compressed and deformed. One end of the slide rod is adsorbed on the surface of the electromagnetic block and enters the upper die seat. At this time, the punch head is positioned on the upper die seat through the slide rod;

[0018] The utility model controls the generation and disappearance of electromagnetic suction force, thereby achieving a quick disassembly and assembly of the punch head, thus saving time for replacing the punch head. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the upper die seat of the utility model;

[0021] Figure 3 For the utility model Figure 1 Schematic diagram of the main structure;

[0022] Figure 4 For the utility model Figure 2 Schematic diagram of the main structure.

[0023] Reference numerals:

[0024] 1. Lower die seat; 2. Slide column; 3. Upper die seat; 4. Positioning seat; 5. Wire; 6. Pin groove; 7. Spring; 8. Slide groove; 9. Slider; 10. Punch head; 11. Slide rod; 12. Electromagnetic block; 13. Sleeve rod. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1

[0027] like Figure 1-Figure 4 As shown, the utility model proposes a stamping die which is convenient for replacing a punch, comprising a lower die base 1, a slide column 2, an upper die base 3, a punch head 10 and an electromagnetic block 12. The lower die base 1 and the upper die base 3 are slidably connected via the slide column 2. The punch head 10 is movably plugged into the upper die base 3. A slide rod 11 is elastically and telescopically installed in the punch head 10. An electromagnetic block 12 is provided in the upper die base 3. One end of the slide rod 11 is plugged into the upper die base 3 under the magnetic attraction of the electromagnetic block 12.

[0028] Based on Example 1: During the use of the punching die of the utility model, which is convenient for replacing the punch, the punching die can be placed on a designated machine. When the punching head 10 needs to be replaced, the power supply of the electromagnetic block 12 is disconnected, so that the electromagnetic block 12 loses its magnetic attraction. Without the magnetic attraction, the slide bar 11 retracts into the punching head 10 under the elastic force of the spring 7, and the punching head 10 can be removed from the upper die seat 3.

[0029] Replace the new punch head 10 and insert it into the upper die base 3. At this time, turn on the power of the electromagnetic block 12. Under the action of magnetic attraction, the slide rod 11 drives the slider 9 to slide in the slide groove 8. At this time, the spring 7 is compressed and deformed. One end of the slide rod 11 is adsorbed on the surface of the electromagnetic block 12 and enters the upper die base 3. At this time, the punch head 10 is positioned on the upper die base 3 through the slide rod 11.

[0030] Embodiment 2

[0031] like Figure 1-Figure 4 As shown, the utility model proposes a stamping die that is easy to replace the punch. Compared with the first embodiment, this embodiment also includes: sliding holes adapted to the slide column 2 are opened at the four corners of the lower die base 1 and the upper die base 3, and the slide column 2 is slidably inserted in the sliding hole. Through the cooperation of the above structure, the stamping die can be set on a designated machine. During the working process, the upper die base 3 moves downward under the drive of the power device, and the punch head 10 cooperates with the lower die base 1 to stamp the workpiece.

[0032] A pin slot 6 is provided on the upper die base 3;

[0033] A sleeve rod 13 is installed on the electromagnetic block 12, and a positioning seat 4 is provided at the other end of the sleeve rod 13. The positioning seat 4 is fixed to the outer wall of the upper die seat 3 by bolts;

[0034] A wire 5 is arranged inside the sleeve rod 13, and the two ends of the wire 5 are electrically connected to the positioning seat 4 and the electromagnetic block 12 respectively. Through the cooperation of the above structure, the electromagnetic block 12 is inserted into the upper mold seat 3 through the pin groove 6, which facilitates the disassembly and assembly of the electromagnetic block 12, and the external factory power supply and the storage power supply module can be connected at the same time through the interface of the positioning seat 4. When the factory power is off, the storage power supply module can supply power to the electromagnetic block 12 in time, thereby preventing the electromagnetic block 12 from falling and hitting the table.

[0035] A slide groove 8 is provided at the upper end of the punch head 10, a slide block 9 is slidably installed in the slide groove 8, and a slide rod 11 is provided on the slide block 9;

[0036] A spring 7 is movably sleeved on the slide bar 11, and the spring 7 is located between the slide groove 8 and the slider 9, and the original length of the spring 7 is greater than the depth of the slide groove 8;

[0037] One end of the slide rod 11 passes through the upper die base 3 and contacts the working end of the electromagnetic block 12. Through the cooperation of the above structure, the magnetic attraction generated by the electromagnetic block 12 can control the position of the slide rod 11, thereby facilitating the disassembly and assembly of the punch head 10. By limiting the length of the spring 7, it can be ensured that the spring 7 has sufficient elastic force to force the slide rod 11 to automatically reset and retract into the punch head 10.

[0038] Furthermore, a shielding layer, such as a nickel-copper alloy layer, may be disposed on the contact surface between the punch head 10 and the upper die base 3 , so as to prevent the magnetic attraction of the electromagnetic block 12 from acting on the punch head 10 .

[0039] It should be noted that the structure of the electromagnetic block 12 is an existing mature technology, and its working principle and internal structure are known to technicians in the relevant technical field. The utility model only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail here, and technicians in this field can make any optional adjustments according to their needs or convenience.

[0040] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A punching die for convenient punch replacement, comprising a lower die base (1), a slide column (2), an upper die base (3), a punching head (10) and an electromagnetic block (12), characterized in that: The lower die base (1) and the upper die base (3) are slidably connected via a slide column (2); the punch head (10) is movably plugged into the upper die base (3); a slide rod (11) is elastically and telescopically installed in the punch head (10); an electromagnetic block (12) is provided in the upper die base (3); one end of the slide rod (11) is plugged into the upper die base (3) under the magnetic attraction of the electromagnetic block (12).

2. A stamping die for facilitating punch replacement according to claim 1, characterized in that: Sliding holes matching the sliding posts (2) are provided at the four corners of the lower die seat (1) and the upper die seat (3), and the sliding posts (2) are slidably inserted in the sliding holes.

3. A stamping die for facilitating punch replacement according to claim 1, characterized in that: The upper die base (3) is provided with a pin groove (6); A sleeve rod (13) is installed on the electromagnetic block (12), and a positioning seat (4) is provided at the other end of the sleeve rod (13), and the positioning seat (4) is fixed to the outer wall of the upper die seat (3) by bolts; A conductive wire (5) is arranged inside the sleeve rod (13), and two ends of the conductive wire (5) are electrically connected to the positioning seat (4) and the electromagnetic block (12) respectively.

4. A stamping die for facilitating punch replacement according to claim 1, characterized in that: The upper end of the punch head (10) is provided with a slide groove (8), a slider (9) is slidably installed in the slide groove (8), and a slide rod (11) is provided on the slider (9); A spring (7) is movably sleeved on the slide bar (11), the spring (7) is located between the slide groove (8) and the slider (9), and the original length of the spring (7) is greater than the depth of the slide groove (8); One end of the sliding rod (11) passes through the upper die base (3) and contacts the working end of the electromagnetic block (12).

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