Integrated clamping device for alternating magnetic field assisted butt welding

Abstract

The utility model relates to an integrated clamping device for alternating magnetic field auxiliary butt welding. The integrated clamping device comprises a vertical quick clamp, a magnet exciting coil, a thrust roller bearing, a ball screw, a first guide rail, a sliding block, a deep groove ball bearing, a lead screw, a second guide rail, a sliding block, a magnet exciting coil platform and a movable protection frame. According to the integrated clamping device for alternating magnetic field assisted butt welding, by introducing the magnetic field technology, the defects of a traditional welding clamp in the aspects of heat control, molten pool flowing, stress distribution and the like are overcome. The alternating magnetic field not only can optimize the welding process and improve the welding quality, but also can improve the welding efficiency, meets the modern high-precision and high-strength welding requirements, particularly has important application value in the high-end manufacturing fields of aerospace, automobile manufacturing, electronic equipment and the like, and has higher flexibility and adaptability compared with a traditional clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of butt welding, specifically to an integrated clamping device for butt welding assisted by an alternating magnetic field. BACKGROUND

[0002] The main purpose of the alternating magnetic field assisted welding fixture is to overcome some limitations of traditional welding fixtures in current welding processes, especially the deficiencies in precision, welding quality and heat control. With the continuous development of welding technology, especially in high energy density welding (such as laser welding, electron beam welding) and high-end manufacturing fields with increasingly strict requirements for welding joint quality, traditional welding fixtures cannot meet the new process requirements.

[0003] Traditional welding fixtures are mainly used for positioning and clamping workpieces, but in complex welding environments, traditional fixtures cannot effectively solve problems such as uneven heat input, unstable molten pool flow and thermal deformation. These problems can lead to a decrease in the mechanical properties of the welded joint, defects in the weld, and even affect the stability of the overall structure, especially in fields with strict requirements for butt joint precision and strength, such as aerospace, automobile manufacturing and electronic equipment, the limitations of traditional fixtures are increasingly apparent, and in welding work, it is easy to cause problems such as welding spatter. SUMMARY

[0004] (I) Technical problems solved

[0005] To solve the above technical problems, the utility model provides an integrated clamping device for butt welding assisted by an alternating magnetic field.

[0006] (II) Technical solutions

[0007] Based on this, the utility model provides the following technical scheme: an integrated clamping device for butt welding assisted by an alternating magnetic field, comprising a vertical quick fixture, an excitation coil, a thrust roller bearing, a ball screw, a guide rail one, a sliding block, a deep groove ball bearing, a screw rod, a guide rail two, a sliding block, an excitation coil platform, and a moving protective frame.

[0008] The bottom of the vertical quick fixture is provided with an excitation coil, the bottom of the excitation coil is installed with an excitation coil platform, the excitation coil platform rotates synchronously with the top of the thrust roller bearing, the thrust roller bearing is arranged on the top of the sliding block, the sliding block slides along the horizontal end of the guide rail one, the sliding block is in sliding cooperation with the top of the guide rail two, the outer side of the sliding block is provided with a moving protective frame, the deep groove ball bearing is embeddedly installed in the middle of the sliding block, the deep groove ball bearing is provided with a ball screw in the inside, and the top of the ball screw is provided with a thrust roller bearing.

[0009] Preferably, the left and right sides of the guide rail one are provided with a screw rod in a relative mode, and the guide rail one is in threaded cooperation with the screw rod, and the guide rail one slides along the inner side vertical end of the sliding block, so as to facilitate the up and down movement of the guide rail one.

[0010] Preferably, the screw rod is movably connected to the inner side of the sliding block, so as to facilitate the stable rotation of the screw rod.

[0011] Preferably, the screw rod is movably connected to the inner side of the sliding block, so as to facilitate the stable rotation of the screw rod.

[0012] Preferably, the middle part of the ball screw is provided with a sliding table, and the thrust roller bearing moves synchronously with the sliding table.

[0013] Preferably, the moving protection frame comprises a servo motor, a moving block, a screw rod one, a supporting seat and a protection frame, the left end of the servo motor is fixed with the sliding block, the output end of the servo motor is in transmission connection with the screw rod one, the screw rod one is movably connected to the bottom of the supporting seat, the bottom of the supporting seat is fixed with the sliding block, the screw rod one is in threaded cooperation with the middle part of the moving block, the right end of the moving block is fixed with the protection frame, and the left end of the moving block is in sliding cooperation with the sliding block.

[0014] Preferably, the servo motor, the moving block, the screw rod one and the supporting seat constitute a pushing mechanism, and the pushing mechanism is provided with two groups in a relative mode along the left and right sides of the protection frame.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a kind of integrated clamping device for alternating magnetic field auxiliary butt welding, with the following beneficial effects:

[0017] The integrated clamping device for alternating magnetic field auxiliary butt welding introduces magnetic field technology, improving the deficiencies of traditional welding fixtures in heat control, molten pool flow and stress distribution. The alternating magnetic field not only optimizes the welding process and improves the welding quality, but also improves the welding efficiency, meets the modern high-precision and high-strength welding requirements, and has important application value in high-end manufacturing fields such as aerospace, automobile manufacturing and electronic equipment. Compared with traditional fixtures, the fixture has higher flexibility and adaptability. By adjusting the strength, frequency and direction of the magnetic field, the action mode of the magnetic field can be dynamically adjusted according to different welding process requirements to optimize the molten pool flow and heat input during welding. This makes the alternating magnetic field auxiliary fixture provide more accurate control and higher welding quality when facing different workpiece materials, welding positions and welding parameters. During the welding process, the protection frame is outside the vertical quick clamp, forming a protection to reduce the influence of the external environment on the magnetic field strength, thereby reducing the problem of welding spatter. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the local three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is the front view structure schematic view of the utility model;

[0021] Figure 4 It is the mobile protection frame three-dimensional structure schematic view of the utility model.

[0022] In the figure: vertical quick fixture-1, excitation coil-2, thrust roller bearing-3, ball screw-4, guide rail-5, sliding block-6, deep groove ball bearing-7, screw rod-8, guide rail two-9, sliding block-10, excitation coil platform-11, mobile protection frame-12, servo motor-121, moving block-122, screw rod one-123, support seat-124, protection frame-125. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-3 An integrated clamping device for alternating magnetic field assisted butt welding, comprising a vertical quick fixture 1, an excitation coil 2, a thrust roller bearing 3, a ball screw 4, a guide rail one 5, a sliding block 6, a deep groove ball bearing 7, a screw rod 8, a guide rail two 9, a sliding block 10, an excitation coil platform 11, and a mobile protection frame 12. The bottom of the vertical quick fixture 1 is provided with the excitation coil 2, the bottom of the excitation coil 2 is provided with the excitation coil platform 11, the excitation coil platform 11 rotates synchronously with the top of the thrust roller bearing 3, the thrust roller bearing 3 is arranged on the top of the sliding block 6, the sliding block 6 slides along the horizontal end of the guide rail one 5, the sliding block 10 is in sliding fit with the top of the guide rail two 9, the mobile protection frame 12 is arranged on the outside of the sliding block 10, the deep groove ball bearing 7 is embeddedly arranged in the middle of the sliding block 6, the deep groove ball bearing 7 is provided with the ball screw 4 inside, and the top of the ball screw 4 is provided with the thrust roller bearing 3.

[0025] In some embodiments, the left and right sides of the guide rail one 5 are oppositely provided with the lead screw 8, and the guide rail one 5 is threadedly matched with the lead screw 8, the guide rail one 5 slides along the inner side vertical end of the sliding block 10, so as to facilitate the up and down movement of the guide rail one 5, the lead screw 8 is movably connected with the inner side of the sliding block 10, so as to facilitate the smooth rotation of the lead screw 8, the lead screw 8 is provided with two groups, and the lead screw 8 is oppositely arranged along the left and right sides of the sliding block 10, so as to facilitate the smooth movement of the guide rail one 5, the middle part of the ball screw 4 is provided with a sliding table, and the thrust roller bearing 3 moves synchronously with the sliding table. The "excitation" in the excitation coil 2 is to excite, the magnetic lines are generated along the center of the coil by the changing current in the coil, the greater the current change rate, the more the magnetic lines, until saturation, the current is turned off, and the magnetic lines disappear. The thrust roller bearing 3 is used to bear the axial load and the radial combined load, but the radial load should not exceed 55% of the axial load. Compared with other thrust roller bearings, the friction factor of this kind of bearing is lower, the rotating speed is higher, and it has the aligning performance. The ball screw 4 is a common ball screw, which is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion. The deep groove ball bearing 7 is originally a single row radial ball bearing, which is the most widely used rolling bearing. Its characteristics are small friction resistance, high speed, and can be used on machines that bear radial load or radial and axial combined load. The vertical quick clamp 1 is a common vertical quick clamp, and the specific model is designed or customized according to actual use.

[0026] Please refer to Figure 4 A kind of integrated clamping device for alternating magnetic field assisted butt welding, mobile protection frame 12 includes servo motor 121, moving block 122, screw one 123, support seat 124, protection frame 125, the left end of servo motor 121 is fixed with sliding block 10, the output end of servo motor 121 is drivingly connected with screw one 123, screw one 123 is movably connected with the bottom of support seat 124, the bottom of support seat 124 is fixed with sliding block 10, screw one 123 is threadedly matched with the middle part of moving block 122, the right end of moving block 122 is fixed with protection frame 125, the left end of moving block 122 is slidingly matched with sliding block 10.

[0027] In some embodiments, the servo motor 121, the moving block 122, the screw one 123 and the support seat 124 constitute a pushing mechanism, and the pushing mechanism is provided with two groups and oppositely arranged along the left and right sides of the protection frame 125. The servo motor 121 can control the speed and the position accuracy is very accurate. It can convert voltage signals into torque and speed to drive control objects. The screw one 123 is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion. The middle part of the protection frame 125 is made of transparent material, which facilitates observation of the welding condition.

[0028] In summary, in use, according to the specific requirements of the welding process, first, the Y-axis coordinate is adjusted by coarse adjustment of the slider 10, then the Z-axis coordinate is adjusted by rotating the lead screw 8, and then the X-axis coordinate is adjusted by pushing the slider 6. In order to accurately align the workpiece position, the Y-axis coordinate is finely adjusted by adjusting the ball screw 4, ensuring that the workpiece to be welded is in the center position of the laser energy, then the vertical quick clamp 1 is used to press the workpiece to be welded, and the positioning accuracy of the workpiece is further ensured by manual fine adjustment. After the welding is completed, the vertical quick clamp 1 is loosened, and the workpiece is taken out. In addition, according to different welding process requirements, the exciting coil can be rotated, and the position is adjusted by pushing the exciting coil platform 11, so as to realize different welding track processes;

[0029] And in the welding process, the servo motor 121 drives the lead screw one 123 to drive clockwise, so that the lead screw one 123 and the moving block 122 are in threaded transmission, drive the moving block 122 and the protection frame 125 to move to the upper end, so that the protection frame 125 is covered outside the vertical quick clamp 1, thereby forming protection, reducing the influence of external environment on the magnetic field strength, and further reducing the problem of welding spatter.

[0030] The alternating magnetic field assisted welding clamp can effectively adjust the heat distribution in the welding process, reduce the local overheating phenomenon, and effectively inhibit the generation of welding deformation and residual stress. In addition, the magnetic field can also optimize the molten pool flow pattern, which helps to reduce the welding stress and deformation, especially in high-precision and high-strength welding applications, which can significantly improve the quality and performance of the welded joint. The microstructure of the weld can be improved, and the welding defects can be reduced, thereby improving the mechanical properties of the welded joint. This makes the alternating magnetic field assisted welding clamp particularly suitable for high-demand welding applications, such as aerospace, automobile manufacturing and electronic equipment, which have strict requirements on welding quality, and can meet the high standards of precision, quality and efficiency in modern welding production.

[0031] The control mode of the utility model is controlled by manually starting and closing switch, and the wiring diagram of power element and the provision of power supply belong to the public knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the control mode and wiring arrangement of the utility model will not be explained in detail.

[0032] The control mode of the utility model is automatically controlled by controller, and the control circuit of controller can be realized by simple programming of the technical personnel in the art, and the provision of power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the control mode and circuit connection of the utility model will not be explained in detail.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An integrated clamping device for alternating field assisted butt welding, characterized in that: Including vertical type fast clamp (1), excitation coil (2), thrust roller bearing (3), ball screw (4), guide rail one (5), sliding block (6), deep groove ball bearing (7), screw rod (8), guide rail two (9), sliding block one (10), excitation coil platform (11), moving protective frame (12); The bottom of the vertical type fast clamp (1) is provided with an excitation coil (2), the bottom of the excitation coil (2) is provided with an excitation coil platform (11), the excitation coil platform (11) rotates synchronously with the top of the thrust roller bearing (3), the thrust roller bearing (3) is arranged on the top of the sliding block (6), the sliding block (6) slides along the horizontal end of the guide rail one (5), the sliding block one (10) is in sliding fit with the top of the guide rail two (9), the outer side of the sliding block one (10) is provided with a moving protective frame (12), the deep groove ball bearing (7) is embeddedly arranged in the middle of the sliding block (6), the deep groove ball bearing (7) is provided with a ball screw (4) in the inside, and the top of the ball screw (4) is provided with a thrust roller bearing (3).

2. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 1, characterized in that: The left and right sides of the guide rail one (5) are oppositely provided with screw rods (8), and the guide rail one (5) is in threaded fit with the screw rods (8), and the guide rail one (5) slides along the vertical end of the inner side of the sliding block one (10).

3. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 1, characterized in that: The screw rod (8) is movably connected with the inner side of the sliding block one (10).

4. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 1, characterized in that: The screw rod (8) is oppositely arranged along the left and right sides of the sliding block one (10).

5. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 1, characterized in that: The middle of the ball screw (4) is provided with a sliding table, and the thrust roller bearing (3) moves synchronously with the sliding table.

6. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 1, characterized in that: The moving protective frame (12) comprises a servo motor (121), a moving block (122), a screw rod one (123), a supporting seat (124) and a protective frame (125), the left end of the servo motor (121) is fixed with the sliding block one (10), the output end of the servo motor (121) is in transmission connection with the screw rod one (123), the screw rod one (123) is movably connected with the bottom of the supporting seat (124), the bottom of the supporting seat (124) is fixed with the sliding block one (10), the screw rod one (123) is in threaded fit with the middle of the moving block (122), the right end of the moving block (122) is fixed with the protective frame (125), and the left end of the moving block (122) is in sliding fit with the sliding block one (10).

7. The integrated clamping device for A-TIG welding with an alternating magnetic field according to claim 6, characterized in that: The servo motor (121), the moving block (122), the screw rod one (123) and the supporting seat (124) constitute a pushing mechanism, and the pushing mechanism is oppositely arranged along the left and right sides of the protective frame (125).

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