Multifunctional insulating composite clamp for electromagnetic forming equipment

Abstract

The utility model discloses a multifunctional insulating composite fixture for electromagnetic forming equipment, which comprises a fixture body and a base fixed on a workbench, the fixture body is provided with a push rod for driving the fixture body to open and close, one end of the push rod close to the fixture body is provided with a push head, and the other end of the push rod is provided with a reciprocating pushing mechanism. A strip-shaped hole perpendicular to the extending direction of the push rod is formed in the push head, the clamp body comprises a pair of clamping plates, a pair of connecting pieces located on the two sides of the push rod respectively are arranged between the back faces of the clamping plates and the base, the two ends of each connecting piece are hinged to the corresponding clamping plate and the base respectively, and a sliding block connected to the strip-shaped hole in a sliding mode is arranged in the middle of each connecting piece in a protruding mode; arc-shaped grooves used for clamping the tubular part are oppositely formed in the sides, used for clamping, of the two clamping plates in a concave mode, and an insulating layer is arranged on the clamping sides of the two clamping plates. The device is not only suitable for planar plates, but also suitable for cylindrical tubular workpieces, and is wide in application range.

Description

Technical Field

[0001] This utility model relates to the field of fixture technology, specifically to a multifunctional insulating composite fixture for electromagnetic forming equipment. Background Technology

[0002] Electromagnetic forming is an emerging high-energy-rate forming technology. It is a forming method that uses an instantaneous high-voltage pulsed magnetic field to force the workpiece into shape at high speed under the action of impact electromagnetic force. Electromagnetic forming belongs to the category of high-energy (high-speed) forming technology. There are many types of high-energy forming technologies, but electromagnetic forming eliminates the dangers of explosive forming and is more convenient than electrohydraulic forming. To ensure the stability and accuracy of the high-voltage pulsed magnetic field, the workpiece needs to be clamped by a fixture.

[0003] Common electromagnetic pulse (EMP) fixtures suffer from the following problems: 1. Limited Functionality: Most fixtures are only suitable for workpieces of specific shapes or sizes (e.g., only plates or large-diameter pipes), requiring frequent fixture changes and resulting in low efficiency. 2. Insufficient Insulation: Common fixtures use metal contact surfaces, which cannot prevent current leakage during electromagnetic forming. Fixtures using traditional insulating materials (such as rubber and nylon) have poor high-temperature resistance and wear resistance, leading to insulation failure after long-term use, affecting the safety and accuracy of electromagnetic forming. 3. Poor Clamping Adaptability: Lacking a stable clamping structure for smaller diameter pipes, they are prone to slippage or damage to the workpiece surface. 4. High Maintenance Costs: High-precision fixtures rely on complex structures and precision materials, resulting in high manufacturing costs and requiring professional maintenance, hindering widespread application. Utility Model Content

[0004] This utility model aims to solve the technical problems existing in the prior art, and innovatively proposes a multifunctional insulating composite fixture for electromagnetic forming equipment, which is not only suitable for flat plates, but also for cylindrical tubular workpieces, and has a wide range of applications.

[0005] To achieve the above objectives, this utility model provides a multifunctional insulating composite clamp for an electromagnetic forming equipment, comprising a clamp body and a base for fixing on a workbench. The clamp body is equipped with a push rod that drives its opening and closing, and a push head is provided at one end of the push rod near the clamp body. A reciprocating pushing mechanism is provided at the other end of the push rod. A strip-shaped hole perpendicular to the extension direction of the push rod is provided on the push head. The clamp body includes a pair of clamping plates. A pair of connecting members located on both sides of the push rod are provided between the back of the clamping plates and the base. The two ends of the connecting members are respectively hinged to the clamping plates and the base. A slider that is slidably connected to the strip-shaped hole is protruding from the middle of the connecting member.

[0006] The two clamping plates have arc-shaped grooves for clamping tubular parts on opposite sides, and an insulating layer is provided on the clamping sides of the two clamping plates.

[0007] In the above solution, the insulation layer is detachably connected to the clamping plate. This allows for the replacement of the insulation layer, ensuring insulation stability and saving costs.

[0008] In the above scheme: the insulating layer includes an insulating plate, the clamping side of the clamping plate is provided with a positioning groove, the insulating layer is provided with a clamping rib corresponding to the positioning groove, and the insulating plate is also provided with a curved part that fits the arc groove.

[0009] In the above scheme: V-shaped positioning components are provided in the arc-shaped grooves of the clamping plates on both sides, and V-shaped openings are provided on the opposite side of the V-shaped positioning components on both sides. Adjusting bolts are provided on the clamping plates for adjusting the spacing of the V-shaped positioning components, and threaded holes for threaded connection with the adjusting bolts are provided on the clamping plates and the insulating layer. The V-shaped positioning components can adjust the spacing according to the diameter of the tubular workpiece, thus making it suitable for tubular workpieces of different diameters and improving its applicability.

[0010] In the above solution: The side of the V-shaped positioning components on both sides that are far apart from each other is provided with a mounting slot, and the end of the adjusting bolt is provided with a mounting locking part for locking into the mounting slot. This allows for the replacement of the V-shaped positioning components, ensuring insulation stability and saving costs.

[0011] In the above scheme: the insulating layer has an embedding groove corresponding to the V-shaped positioning component, so that the V-shaped positioning component can be embedded and installed into the insulating layer.

[0012] In the above solution, both the insulating layer and the V-shaped positioning component are made of sintered alumina ceramic. Energy loss is reduced by 15%, and the lifespan is increased by 8 times compared to rubber coatings. It avoids forming errors caused by insulation failure, and the hardness and wear resistance are greatly improved.

[0013] In the above scheme: the base is provided with a through hole for the push rod to pass through, and the reciprocating pushing mechanism is located on the other side of the base.

[0014] In summary, the beneficial effects of this utility model are as follows: the clamping plates are used to clamp the workpiece, and the arc-shaped groove in the middle of the clamping plates is used to clamp tubular parts. It is suitable not only for flat plates but also for cylindrical tubular workpieces, offering a wide range of applications without the need to change fixtures. The insulating layer ensures that the electromagnetic pulse acts only on the workpiece, further guaranteeing the forming effect and thus improving the energy utilization rate and workpiece forming quality during the electromagnetic forming process. The push rod is used to push the two clamping plates closer together for clamping. The structure is simple, the operation is convenient, and the application range is wide. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present invention.

[0016] Figure 2 It is a 3D diagram of the splint.

[0017] Figure 3 It is a three-dimensional diagram of the insulating layer.

[0018] Figure 4 This is a 3D view of the V-shaped positioning component.

[0019] Figure 5 This is a 3D view of the adjusting bolt.

[0020] Figure 6 It is a 3D diagram of the push rod.

[0021] Figure 7 This is a 3D view of the connector. Detailed Implementation

[0022] The present invention will be further described below with reference to embodiments and accompanying drawings:

[0023] like Figures 1 to 7 As shown, a multifunctional insulating composite fixture for an electromagnetic forming equipment includes a fixture body and a base 7 for fixing it to a worktable. The fixture body is equipped with a push rod that drives its opening and closing, and a push head 5 is provided at one end of the push rod near the fixture body, while a reciprocating pushing mechanism is provided at the other end of the push rod. The base 7 is provided with a through hole for the push rod to pass through, and the reciprocating pushing mechanism is located on the other side of the base.

[0024] The push head 5 is provided with a strip hole 51 perpendicular to the extension direction of the push rod. The clamp body includes a pair of clamping plates 1. The side of the two clamping plates 1 that is close to each other is the clamping side, and the other side is the back side. A pair of connecting parts 6 are provided between the back side of the clamping plate 1 and the base 7, respectively located on both sides of the push rod.

[0025] The two ends of the connector 6 are hinged to the clamping plate 1 and the base 7, respectively. The middle part of the connector 6 is provided with a slider 61 that is slidably connected to the strip hole 51. The back of the clamping plate 1 is provided with a connecting base 13 for connecting the connector 6.

[0026] The two clamping plates 1 have concave arc-shaped grooves on their clamping sides for clamping tubular components. An insulating layer 2 is provided on the clamping sides of the two clamping plates 1. The insulating layer 2 is detachably connected to the clamping plates 1. The insulating layer 2 can be replaced, ensuring insulation stability and saving costs.

[0027] The insulating layer 2 includes an insulating plate 21. A positioning groove 12 is provided on the clamping side of the clamping plate 1. A clamping rib 24 is provided on the insulating layer 2 corresponding to the positioning groove 12. A curved part 22 that fits the arc groove is also provided on the insulating plate 21 corresponding to the arc groove.

[0028] V-shaped positioning components 3 are provided in the arc-shaped grooves of both sides of the clamping plates 1. V-shaped openings are provided on the opposite sides of the V-shaped positioning components 3. Adjusting bolts 4 on the clamping plates 1 are used to adjust the spacing of the V-shaped positioning components 3. Threaded holes 11 for threaded connection with the adjusting bolts 4 are provided on the clamping plates 1 and the insulating layer 2. The V-shaped positioning components 3 can adjust the spacing according to the diameter of the tubular workpiece, thus being suitable for tubular workpieces of different diameters and improving the applicability. Mounting slots 31 are provided on the opposite sides of the V-shaped positioning components 3. Mounting bolts 4 have mounting positions 41 on their ends for engaging with the mounting slots 31. The V-shaped positioning components 3 can be replaced, ensuring insulation stability and saving costs.

[0029] An embedding groove 23 is provided on the insulating layer 2 corresponding to the V-shaped positioning component 3, so that the V-shaped positioning component 3 can be embedded and installed into the insulating layer 2.

[0030] The clamping plate 1 is made of aluminum alloy to minimize weight. The insulation layer 2 and the V-shaped positioning component 3 are both made of sintered alumina ceramic, which reduces energy loss by 15%, increases lifespan by 8 times compared to rubber coating, avoids forming errors caused by insulation failure, and greatly improves hardness and wear resistance.

Claims

1. A multifunctional insulated composite fixture for an electromagnetic forming apparatus, characterized by: The utility model provides a kind of pipe clamp, including fixture body and the base (7) for being fixed on workbench, the fixture body is equipped with with its opening and closing push rod, and the end of push rod is provided with push head (5) to fixture body, and push rod other end is provided with reciprocating push mechanism, push head (5) is provided with strip hole (51) perpendicular to the extension direction of push rod, the fixture body includes a pair of clamping plate (1), a pair of connecting piece (6) is respectively arranged in the two sides of push rod between the back of clamping plate (1) and base (7), both ends of connecting piece (6) are respectively hinged in clamping plate (1) and base (7), and the middle part of connecting piece (6) is provided with sliding block (61) slidingly connected in strip hole (51). Two clamping plates (1) are provided with arc-shaped grooves for clamping pipe-shaped objects on one side.

2. A multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 1, characterized in that: The insulation layer (2) is detachably connected to the clamping plate (1).

3. A multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 2, characterized in that: The insulation layer (2) includes an insulation plate (21), and the clamping side of the clamping plate (1) is provided with a positioning clamping groove (12), the insulation layer (2) is provided with a clamping rib (24) corresponding to the positioning clamping groove (12), and the insulation plate (21) is provided with a curved portion (22) corresponding to the arc-shaped groove.

4. The multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 1, characterized in that: The arc-shaped groove of the clamping plate (1) on both sides is provided with a V-shaped positioning assembly (3), and the opposite side of the V-shaped positioning assembly (3) on both sides is provided with a V-shaped opening.

5. A multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 4, characterized in that: The clamping plate (1) is provided with an adjusting screw (4) for adjusting the distance between the V-shaped positioning assemblies (3), and the clamping plate (1) and the insulation layer (2) are provided with threaded holes (11) for threadedly connecting with the adjusting screw (4).

6. A multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 4, characterized in that: The side of the V-shaped positioning assembly (3) on both sides away from each other is provided with a mounting clamping groove (31), and the end of the adjusting screw (4) is provided with a mounting clamping portion (41) for clamping in the mounting clamping groove (31).

7. A multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 4, characterized in that: The insulation layer (2) is provided with an embedded groove (23) corresponding to the V-shaped positioning assembly (3).

8. The multifunctional insulated composite fixture for electromagnetic forming apparatus according to claim 1, characterized in that: The insulation layer (2) and the V-shaped positioning assembly (3) are both made of sintered alumina ceramic. The base (7) is provided with a through hole for the push rod to pass through, and the reciprocating push mechanism is located on the other side of the base.

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