A clamping tooling for welding and processing of forklift castings

Abstract

The present invention relates to the technical field of forklift casting processing, in particular to a clamping tooling for forklift casting welding processing, which includes a tooling table. A support block is fixedly arranged in the middle of the bottom surface of the tooling table. A rotating shaft is fixedly arranged at the lower end of the support block. Two arc-shaped blocks are rotatably connected to the rotating shaft. The outer walls on both sides of the support block are respectively slidably connected to the inner walls of the arc-shaped blocks. A T-shaped cylinder is arranged below the rotating shaft. The lower end of the T-shaped cylinder is rotatably connected to a base. A plurality of through grooves are formed in the tooling table. A lifting assembly is slidably connected inside the through grooves. A sleeve is arranged on the lifting assembly. Two limiting blocks are fixedly arranged on the outer wall of the sleeve. The sleeve and the limiting blocks are respectively slidably connected to the tooling table through the through grooves. It is convenient to adjust the forklift casting clamped on the tooling table to different inclination angles, improves the applicability and flexibility of the tooling, adapts to the support of forklift castings of different sizes and shapes, improves the accuracy and efficiency of clamping, ensures the stability and reliability of clamping, and provides favorable conditions for the welding processing of forklift castings.

Description

Technical Field

[0001] The present invention relates to the technical field of forklift casting processing, in particular to a clamping tooling for forklift casting welding processing. Background Art

[0002] Forklift castings refer to forklift parts produced through the casting process. These castings are usually important components of forklifts, bearing various forces and torques during the operation of forklifts. Since forklifts need to complete various complex operations, their castings often have complex shapes and structures to meet the requirements of forklifts under different working conditions. In the clamping tooling for forklift casting welding processing, these castings need to be clamped and positioned by the tooling for subsequent processing and inspection.

[0003] After retrieval, a Chinese patent with the publication number CN211939153U provides a drilling tooling for forklift counterweight casting processing. Through the threaded connection of the first screw rod and the second screw rod with the L-shaped clamping plate, the two L-shaped clamping plates approach each other to firmly clamp both sides of the casting. Then, by rotating the extrusion bolt, the extrusion bolt is pushed to press down the extrusion plate through the threaded connection of the extrusion bolt and the screw hole, thereby firmly pressing the upper side of the casting, realizing the rapid pressing of the casting, and being applicable to the use of castings with different sizes, with a wide application range and convenient for drilling operations.

[0004] However, it is found during the use process that the clamping range of this tooling is limited, the clamping stability is poor when welding and processing forklift castings with different sizes and shapes, and it is inconvenient to adjust the angle of the clamped forklift castings, increasing the errors and potential safety hazards during the welding processing of forklift castings, easily causing the forklift castings to shake or displace during the welding processing, affecting the processing accuracy and product quality, and being unfavorable for the welding processing and use of the clamped forklift castings. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a clamping tooling for forklift casting welding processing, which is convenient to adjust the forklift castings clamped on the tooling table to different inclination angles, improves the applicability and flexibility of the tooling, adapts to the support of forklift castings with different sizes and shapes, improves the accuracy and efficiency of clamping, ensures the stability and reliability of clamping, and provides favorable conditions for the welding processing of forklift castings.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A clamping tooling for forklift casting welding and processing, including a tooling table. A support block is fixedly provided in the middle of the bottom surface of the tooling table. A rotating shaft is fixedly provided at the lower end of the support block. Two arc-shaped blocks are rotatably connected to the rotating shaft. The outer walls of both sides of the support block are respectively slidably connected to the inner walls of the arc-shaped blocks. A T-shaped cylinder is provided below the rotating shaft. The lower end of the T-shaped cylinder is rotatably connected to a base. A plurality of through grooves are opened on the tooling table. A lifting assembly is slidably connected inside the through grooves. A sleeve is provided on the lifting assembly. Two limit blocks are fixedly provided on the outer wall of the sleeve. The sleeve and the limit blocks are respectively slidably connected to the tooling table through the through grooves. A lifting column is slidably connected inside the sleeve. A positioning block is fixedly provided on the top surface of the lifting column;

[0007] The outer wall of the upper end of the lifting column is fixedly connected with a clamping assembly. An adjusting block is provided on the clamping assembly. One end of the adjusting block is fixedly provided on the outer wall of the upper end of the lifting column. A plurality of support assemblies are installed on the tooling table.

[0008] Preferably, a first servo motor is installed on the outer wall of one of the arc-shaped blocks through a mounting seat. The output shaft of the first servo motor is coaxially connected to the rotating shaft. A toothed ring is sleeved on the outer peripheral wall of the lower end of the T-shaped cylinder. A gear is meshed with the toothed ring. A second servo motor is installed on the top surface of the base through a mounting seat. The central shaft of the gear is coaxially connected to the output shaft of the second servo motor.

[0009] Through the above technical solution, the output shaft of the second servo motor drives the gear to rotate, so that the gear meshes and drives the toothed ring, and the toothed ring drives the T-shaped cylinder to rotate along the base.

[0010] Preferably, the lifting assembly includes a first air cylinder. The first air cylinder is installed at the edge of the bottom surface of the tooling table through a front mounting seat. A push block is fixedly provided on the outer wall of the lower end of the sleeve. The piston rod of the first air cylinder is fixedly connected to the push block.

[0011] Through the above technical solution, the first air cylinder pushes the push block to make the sleeve and the limit block slide along the through groove, and moves the sleeve to a suitable position.

[0012] Preferably, a groove is opened on the sleeve. A T-shaped block is slidably connected inside the groove. The T-shaped block is fixedly connected to the outer wall of the lower end of the lifting column. A first lead screw is threadedly connected to the T-shaped block through a threaded hole. Two connecting blocks are symmetrically provided on the outer wall of the sleeve. The outer peripheral walls of the upper and lower ends of the first lead screw are respectively rotatably connected to the connecting blocks. A third servo motor is installed on the bottom surface of the sleeve through a mounting seat. The output shaft of the third servo motor is coaxially connected to the first lead screw.

[0013] Through the above technical solution, the first lead screw drives the T-shaped block to slide along the groove, and the T-shaped block drives the lifting column to slide along the sleeve, and the lifting column is adjusted to a suitable use height.

[0014] Preferably, the clamping assembly includes clamping claws. A slider is slidably connected to the adjusting block. One end of the slider is threadedly connected to a second lead screw through a threaded hole. The outer peripheral walls of both ends of the second lead screw are respectively rotatably connected to two fixed blocks, and the two fixed blocks are respectively fixedly connected to the adjusting block. A fourth servo motor is installed on the outer side wall of the adjusting block through a mounting seat, and the output shaft of the fourth servo motor is coaxially connected to the second lead screw.

[0015] Preferably, an adjusting column is slidably connected to the slider. A clamping block is fixedly provided on the outer wall of the adjusting column close to the positioning block. The clamping block is slidably connected to the slider. The adjusting column is slidably connected to the adjusting block, and the adjusting column is in clearance fit with the through groove.

[0016] Through the above technical solution, the output shaft of the fourth servo motor drives the second lead screw to rotate, and the second lead screw drives the slider to move along the axial direction of the second lead screw.

[0017] Preferably, a second cylinder is installed on the bottom surface of the slider through a mounting seat. The piston rod of the second cylinder is fixedly connected to the lower end of the adjusting column, and the outer wall of the second cylinder is in clearance fit with the inner wall of the through groove.

[0018] Through the above technical solution, the piston rod of the second cylinder pushes the adjusting column and the clamping block to slide along the slider.

[0019] Preferably, a hinge seat is fixedly provided at the upper end of the adjusting column. A rotating block is rotatably connected to the hinge seat. The rotating block is fixedly connected to the clamping claw. A rotating seat is installed on the outer wall of the upper end of the adjusting column. A third cylinder is installed on the rotating seat through a mounting seat.

[0020] Preferably, a U-shaped groove is formed at one end of the clamping claw. A rotating rod is arranged inside the U-shaped groove. The outer peripheral walls of both ends of the rotating rod are respectively rotatably connected to the clamping claw, and the piston rod of the third cylinder is fixedly connected to the rotating rod.

[0021] Through the above technical solution, when the piston rod of the third cylinder moves upward, it pushes the rotating rod to rotate along the clamping claw, so that the rotating rod pushes the clamping claw to drive the rotating block to rotate along the hinge seat, and the clamping claw squeezes and clamps the outer wall or the top surface of the forklift casting.

[0022] Preferably, the support assembly includes a mounting plate, connection bolts are respectively inserted at the four corners of the mounting plate, the bottom surface of the tooling table is threadedly connected to the connection bolts through threaded holes, a hydraulic cylinder is provided in the middle of the mounting plate, the piston rod of the hydraulic cylinder is slidably connected to the tooling table, and a conical block is installed on the outer peripheral wall of the upper end of the piston rod of the hydraulic cylinder.

[0023] Through the above technical solution, the bottom surface of the forklift casting is supported by the conical block, reducing the occurrence of deformation of the forklift casting during welding after clamping.

[0024] The beneficial effects of the present invention:

[0025] 1. In the present invention, the forklift casting to be clamped is moved to the upper end of the tooling table through an external moving device. At this time, the positioning blocks are respectively adjusted to appropriate positions and heights through the lifting assembly, so that the positioning blocks contact the bottom edge of the forklift casting. Then, the top surface and edge of the forklift casting are squeezed by the clamping assembly to clamp and fix it. After the forklift casting is fixed, the output shaft of the first servo motor drives the rotating shaft to rotate along the arc-shaped block, so that the rotating shaft drives the supporting block to rotate synchronously, and the tooling table and the clamped forklift casting are rotated to an appropriate inclination angle for processing; at the same time, the output shaft of the second servo motor drives the gear to rotate, so that the gear meshes and drives the toothed ring, so that the toothed ring drives the T-shaped cylinder to rotate along the base, and the T-shaped cylinder drives the tooling table to rotate through the arc-shaped block and the rotating shaft. Through the rotation of the supporting block and the T-shaped cylinder, it is convenient to adjust the clamped forklift casting on the tooling table to different inclination angles, improving the applicability and flexibility of the tooling, meeting diverse processing requirements, and ensuring the stability and safety of the welding processing of the forklift casting.

[0026] 2. In the present invention, the first cylinder is respectively used to push the push block to make the sleeve and the limit block slide along the through groove. After the sleeve is moved to an appropriate position, the output shaft of the third servo motor drives the first lead screw to rotate along the two connecting blocks, so that the first lead screw drives the T-shaped block to slide along the groove, and the T-shaped block drives the lifting column to slide along the sleeve, adjusting the lifting column to an appropriate use height. While the lifting column moves, it drives the positioning blocks to move synchronously, so that multiple positioning blocks are adjusted to appropriate use heights to adapt to the support of forklift castings of different sizes and shapes, improving the support effect and stability, and ensuring the safety and reliability during the support process.

[0027] 3. In the present invention, the output shaft of the fourth servo motor drives the second lead screw to rotate. The second lead screw drives the slider to move along the axial direction of the second lead screw, pushing the slider to move along the adjusting block to a suitable position. Then, the piston rod of the second cylinder pushes the adjusting column and the clamping block to slide along the slider. After adjusting the adjusting column to a suitable height, the piston rod of the third cylinder moves upward, pushing the rotating rod to rotate along the clamping jaw, so that the rotating rod pushes the clamping jaw to drive the rotating block to rotate along the hinge seat, enabling the clamping jaw to squeeze and clamp the outer wall or the top surface of the forklift casting, improving the accuracy and efficiency of clamping, ensuring the stability and reliability of clamping, and providing favorable conditions for the welding process of the forklift casting.

[0028] 4. In the present invention, the connecting bolt is threadedly connected to the tooling table through the threaded hole at the bottom surface of the tooling table, thereby stably installing the support assembly on the tooling table. At the same time, it facilitates the installation and disassembly of the support assembly. When the hydraulic cylinder is activated, its piston rod will perform telescopic movement under the action of hydraulic pressure. As the piston rod expands and contracts, the conical block will also rise or fall accordingly. The bottom surface of the forklift casting is supported by the conical block, reducing the occurrence of deformation during the welding process of the clamped forklift casting, helping to maintain the shape and dimensional stability of the forklift casting, improving the welding accuracy and product quality, avoiding defects such as cracks and deformations caused by excessive stress on the forklift casting, and protecting the integrity of the clamped forklift casting during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is the overall structural schematic diagram of the present invention;

[0030] Figure 2 is the sectional perspective view of the tooling table structure of the present invention;

[0031] Figure 3 is the schematic diagram of the T-shaped cylinder structure of the present invention;

[0032] Figure 4 is the schematic diagram of the gear structure of the present invention;

[0033] Figure 5 is the schematic diagram of the through groove structure of the present invention;

[0034] Figure 6 is the schematic diagram of the lifting assembly structure of the present invention;

[0035] Figure 7 is the overall structural schematic diagram of the first lead screw of the present invention;

[0036] Figure 8 is the schematic diagram of the clamping assembly structure of the present invention;

[0037] Figure 9 is the schematic diagram of the assembly structure of the slider of the present invention;

[0038] Figure 10 Schematic diagram of the adjusting column structure of the present invention;

[0039] Figure 11 Schematic diagram of the clamping jaw structure of the present invention;

[0040] Figure 12 Schematic diagram of the support assembly structure of the present invention.

[0041] In the figure: 1, tooling table; 2, support block; 3, rotating shaft; 4, arc block; 5, T-shaped cylinder; 6, base; 7, through groove; 8, lifting assembly; 801, sleeve; 802, limit block; 803, lifting column; 804, first cylinder; 805, push block; 806, groove; 807, T-shaped block; 808, first lead screw; 809, connecting block; 810, positioning block; 811, third servo motor; 9, clamping assembly; 901, adjusting block; 902, clamping jaw; 903, slider; 904, second lead screw; 905, fixed block; 906, adjusting column; 907, clamping block; 908, fourth servo motor; 909, second cylinder; 910, hinge seat; 911, rotating block; 912, rotating seat; 913, third cylinder; 914, U-shaped groove; 915, rotating rod; 10, support assembly; 1001, mounting plate; 1002, connecting bolt; 1003, hydraulic cylinder; 1004, conical block; 11, first servo motor; 12, gear ring; 13, gear; 14, second servo motor. Specific embodiments

[0042] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings of the specification.

[0043] Embodiment 1

[0044] As Figures 1 - 4 shown, this embodiment provides a clamping tool for forklift casting welding and processing, including a tooling table 1. A support block 2 is fixedly provided in the middle of the bottom surface of the tooling table 1. A rotating shaft 3 is fixedly provided at the lower end of the support block 2. Two arc blocks 4 are rotatably connected to the rotating shaft 3. The outer walls on both sides of the support block 2 are respectively slidably connected to the inner walls of the arc blocks 4. A T-shaped cylinder 5 is provided below the rotating shaft 3. The lower end of the T-shaped cylinder 5 is rotatably connected to a base 6. A plurality of through grooves 7 are opened on the tooling table 1. A lifting assembly 8 is slidably connected inside the through grooves 7. A sleeve 801 is provided on the lifting assembly 8. Two limit blocks 802 are fixedly provided on the outer wall of the sleeve 801. The sleeve 801 and the limit blocks 802 are respectively slidably connected to the tooling table 1 through the through grooves 7. A lifting column 803 is slidably connected inside the sleeve 801. A positioning block 810 is fixedly provided on the top surface of the lifting column 803;

[0045] A clamping component 9 is fixedly connected to the outer wall of the upper end of the lifting column 803. An adjusting block 901 is provided on the clamping component 9. One end of the adjusting block 901 is fixedly arranged on the outer wall of the upper end of the lifting column 803. A plurality of supporting components 10 are installed on the tooling table 1.

[0046] A first servo motor 11 is installed on the outer wall of one of the arc-shaped blocks 4 through a mounting seat. The output shaft of the first servo motor 11 is coaxially connected to the rotating shaft 3. A gear ring 12 is sleeved on the outer peripheral wall of the lower end of the T-shaped cylinder 5. A gear 13 is meshed and connected to the gear ring 12. A second servo motor 14 is installed on the top surface of the base 6 through a mounting seat. The central shaft of the gear 13 is coaxially connected to the output shaft of the second servo motor 14; the output shaft of the second servo motor 14 drives the gear 13 to rotate, causing the gear 13 to be meshed and transmitted to the gear ring 12, and the gear ring 12 drives the T-shaped cylinder 5 to rotate along the base 6.

[0047] During use, the forklift casting to be clamped is moved to the upper end of the tooling table 1 through an external moving device. At this time, the positioning block 810 is adjusted to a suitable position and height through the lifting component 8 respectively, so that the positioning block 810 contacts the bottom edge of the forklift casting. Then, the top surface and edge of the forklift casting are squeezed by the clamping component 9 to clamp and fix it. After the forklift casting is fixed, the output shaft of the first servo motor 11 drives the rotating shaft 3 to rotate along the arc-shaped block 4, and the rotating shaft 3 drives the supporting block 2 to rotate synchronously, rotating the tooling table 1 and the clamped forklift casting to a suitable inclination angle for welding processing;

[0048] Meanwhile, the output shaft of the second servo motor 14 drives the gear 13 to rotate, causing the gear 13 to be meshed and transmitted to the gear ring 12, and the gear ring 12 drives the T-shaped cylinder 5 to rotate along the base 6. The T-shaped cylinder 5 drives the tooling table 1 to rotate through the arc-shaped block 4 and the rotating shaft 3. Through the rotation of the supporting block 2 and the T-shaped cylinder 5, it is convenient to adjust the forklift casting clamped on the tooling table 1 to different inclination angles, improving the applicability and flexibility of the tooling, meeting diverse processing requirements, and ensuring the stability and safety of the welding processing of the forklift casting.

[0049] Embodiment 2

[0050] Such as Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7As shown in the figure, this embodiment is based on the previous embodiment. The difference from the previous embodiment is that the lifting assembly 8 includes a first cylinder 804. The first cylinder 804 is installed at the bottom edge of the tooling table 1 through a front mounting seat. A push block 805 is fixedly provided on the outer wall of the lower end of the sleeve 801. The piston rod of the first cylinder 804 is fixedly connected to the push block 805. The first cylinder 804 is used to push the push block 805 to move the sleeve 801 and the limit block 802 along the through groove 7, and move the sleeve 801 to a suitable position.

[0051] A groove 806 is formed in the sleeve 801. A T-shaped block 807 is slidably connected inside the groove 806. The T-shaped block 807 is fixedly connected to the outer wall of the lower end of the lifting column 803. A first lead screw 808 is threadedly connected to the T-shaped block 807 through a threaded hole. Two connecting blocks 809 are symmetrically provided on the outer wall of the sleeve 801. The upper and lower outer peripheral walls of the first lead screw 808 are respectively rotatably connected to the connecting blocks 809. A third servo motor 811 is installed on the bottom surface of the sleeve 801 through a mounting seat. The output shaft of the third servo motor 811 is coaxially connected to the first lead screw 808. The first lead screw 808 is used to drive the T-shaped block 807 to slide along the groove 806. The T-shaped block 807 drives the lifting column 803 to slide along the sleeve 801, and adjusts the lifting column 803 to a suitable use height.

[0052] During use, first, the first cylinder 804 is used to push the push block 805 to move the sleeve 801 and the limit block 802 along the through groove 7. After moving the sleeve 801 to a suitable position, then the output shaft of the third servo motor 811 is used to drive the first lead screw 808 to rotate along the two connecting blocks 809, so that the first lead screw 808 drives the T-shaped block 807 to slide along the groove 806. The T-shaped block 807 drives the lifting column 803 to slide along the sleeve 801, and adjusts the lifting column 803 to a suitable use height. When the lifting column 803 moves, it drives the positioning block 810 to move synchronously, so that multiple positioning blocks 810 are adjusted to a suitable use height, which can adapt to the support of forklift castings of different sizes and shapes, improves the support effect and stability, and ensures the safety and reliability during the support process.

[0053] Embodiment III

[0054] Such as Figure 1 , Figure 2 , Figure 5 , Figure 8 , Figure 9 , Figure 10 and Figure 11As shown in the figure, this embodiment is based on the previous embodiment. The difference from the previous embodiment is that the clamping assembly 9 includes clamping jaws 902. A slider 903 is slidably connected to the adjusting block 901. One end of the slider 903 is threadedly connected to a second lead screw 904 through a threaded hole. The outer peripheral walls of both ends of the second lead screw 904 are respectively rotatably connected to two fixing blocks 905, and the two fixing blocks 905 are respectively fixedly connected to the adjusting block 901. A fourth servo motor 908 is installed on the outer side wall of the adjusting block 901 through a mounting seat. The output shaft of the fourth servo motor 908 is coaxially connected to the second lead screw 904. An adjusting column 906 is slidably connected to the slider 903. A clamping block 907 is fixedly provided on the outer wall of the adjusting column 906 close to the positioning block 810. The clamping block 907 is slidably connected to the slider 903. The adjusting column 906 is slidably connected to the adjusting block 901, and the adjusting column 906 has a clearance fit with the through groove 7. By driving the second lead screw 904 to rotate through the output shaft of the fourth servo motor 908, the second lead screw 904 drives the slider 903 to move along the axial direction of the second lead screw 904.

[0055] A second cylinder 909 is installed on the bottom surface of the slider 903 through a mounting seat. The piston rod of the second cylinder 909 is fixedly connected to the lower end of the adjusting column 906. The outer wall of the second cylinder 909 has a clearance fit with the inner wall of the through groove 7. By pushing the piston rod of the second cylinder 909, the adjusting column 906 and the clamping block 907 are pushed to slide along the slider 903.

[0056] A hinge seat 910 is fixedly provided at the upper end of the adjusting column 906. A rotating block 911 is rotatably connected to the hinge seat 910. The rotating block 911 is fixedly connected to the clamping jaws 902. A rotating seat 912 is installed on the outer wall of the upper end of the adjusting column 906. A third cylinder 913 is installed on the rotating seat 912 through a mounting seat. A U-shaped groove 914 is provided at one end of the clamping jaws 902. A rotating rod 915 is provided inside the U-shaped groove 914. The outer peripheral walls of both ends of the rotating rod 915 are respectively rotatably connected to the clamping jaws 902. The piston rod of the third cylinder 913 is fixedly connected to the rotating rod 915. By moving the piston rod of the third cylinder 913 upward, the rotating rod 915 is pushed to rotate along the clamping jaws 902, so that the rotating rod 915 pushes the clamping jaws 902 to drive the rotating block 911 to rotate along the hinge seat 910, so that the clamping jaws 902 squeeze and clamp the outer wall or the top surface of the forklift casting.

[0057] During use, the output shaft of the fourth servo motor 908 drives the second lead screw 904 to rotate. The second lead screw 904 drives the slider 903 to move along the axial direction of the second lead screw 904, pushing the slider 903 to move along the adjusting block 901 to a suitable position. Then, the piston rod of the second cylinder 909 pushes the adjusting column 906 and the clamping block 907 to slide along the slider 903. After adjusting the adjusting column 906 to a suitable height, the piston rod of the third cylinder 913 moves upward, pushing the rotating rod 915 to rotate along the clamping jaw 902, so that the rotating rod 915 pushes the clamping jaw 902 to drive the rotating block 911 to rotate along the hinge seat 910, enabling the clamping jaw 902 to squeeze and clamp the outer wall or the top surface of the forklift casting, improving the accuracy and efficiency of clamping, ensuring the stability and reliability of clamping, and providing favorable conditions for the welding process of the forklift casting.

[0058] Embodiment 4

[0059] As Figure 1 , Figure 2 , Figure 5 , and Figure 12 As shown in, this embodiment is based on the previous embodiment. The difference from the previous embodiment is that the support assembly 10 includes a mounting plate 1001. Connecting bolts 1002 are respectively inserted at the four corners of the mounting plate 1001, and the bottom surface of the tooling table 1 is threadedly connected to the connecting bolts 1002 through threaded holes. A hydraulic cylinder 1003 is provided in the middle of the mounting plate 1001. The piston rod of the hydraulic cylinder 1003 is slidably connected to the tooling table 1, and a conical block 1004 is installed on the outer peripheral wall of the upper end of the piston rod of the hydraulic cylinder 1003; the bottom surface of the forklift casting is supported by the conical block 1004, reducing the occurrence of deformation during the welding process of the forklift casting after clamping.

[0060] During use, the connecting bolts 1002 are threadedly connected to the tooling table 1 through the threaded holes on the bottom surface of the tooling table 1, thus firmly installing the support assembly 10 on the tooling table 1, while facilitating the installation and disassembly of the support assembly 10. When the hydraulic cylinder 1003 is started, its piston rod will perform telescopic movement under the action of hydraulic pressure. As the piston rod expands and contracts, the conical block 1004 will also rise or fall accordingly. The bottom surface of the forklift casting is supported by the conical block 1004, reducing the occurrence of deformation during the welding process of the forklift casting after clamping, helping to maintain the shape and dimensional stability of the forklift casting, improving the processing accuracy and product quality, avoiding defects such as cracks and deformations caused by excessive stress on the forklift casting, and protecting the integrity of the clamped forklift casting during the welding process.

[0061] Working principle:

[0062] Move the forklift casting to be clamped to the upper end of the tooling table 1 through an external moving device. At this time, adjust the positioning block 810 to a suitable position and height through the lifting assembly 8 respectively, so that the positioning block 810 contacts the bottom edge of the forklift casting. Then, squeeze and clamp the top surface and edge of the forklift casting through the clamping assembly 9. After the forklift casting is fixed, drive the rotating shaft 3 to rotate along the arc-shaped block 4 through the output shaft of the first servo motor 11, so that the rotating shaft 3 drives the support block 2 to rotate synchronously, and rotate the tooling table 1 and the clamped forklift casting to a suitable tilting angle for processing;

[0063] At the same time, drive the gear 13 to rotate through the output shaft of the second servo motor 14, so that the gear 13 meshes and drives the toothed ring 12, so that the toothed ring 12 drives the T-shaped cylinder 5 to rotate along the base 6. The T-shaped cylinder 5 drives the tooling table 1 to rotate through the arc-shaped block 4 and the rotating shaft 3. Through the rotation of the support block 2 and the T-shaped cylinder 5, it is convenient to adjust the forklift casting clamped on the tooling table 1 to different tilting angles, improving the applicability and flexibility of the tooling, meeting the diverse processing requirements, and ensuring the stability and safety of the forklift casting.

[0064] First, push the push block 805 through the first cylinder 804 respectively to make the sleeve 801 and the limit block 802 slide along the through groove 7. After moving the sleeve 801 to a suitable position, then drive the first lead screw 808 to rotate along the two connecting blocks 809 through the output shaft of the third servo motor 811, so that the first lead screw 808 drives the T-shaped block 807 to slide along the groove 806. The T-shaped block 807 drives the lifting column 803 to slide along the sleeve 801, and adjusts the lifting column 803 to a suitable use height. While the lifting column 803 moves, it drives the positioning block 810 to move synchronously, so that multiple positioning blocks 810 are adjusted to a suitable use height, adapting to the support of forklift castings of different sizes and shapes, improving the support effect and stability, and ensuring the safety and reliability during the support process.

[0065] Drive the second lead screw 904 to rotate through the output shaft of the fourth servo motor 908. The second lead screw 904 drives the slider 903 to move along the axial direction of the second lead screw 904, and pushes the slider 903 to move to a suitable position along the adjusting block 901. Then, push the adjusting column 906 and the clamping block 907 to slide along the slider 903 through the piston rod of the second cylinder 909. After adjusting the adjusting column 906 to a suitable height, move the piston rod of the third cylinder 913 upward, and push the rotating rod 915 to rotate along the clamping jaw 902, so that the rotating rod 915 pushes the clamping jaw 902 to drive the rotating block 911 to rotate along the hinge seat 910, so that the clamping jaw 902 squeezes and clamps the outer wall or the top surface of the forklift casting, improving the accuracy and efficiency of clamping, ensuring the stability and reliability of clamping, and providing favorable conditions for the welding processing of the forklift casting.

[0066] The connecting bolt 1002 is threadedly connected to the tooling table 1 through the threaded holes on the bottom surface of the tooling table 1, thereby firmly installing the support assembly 10 on the tooling table 1. At the same time, it facilitates the installation and disassembly of the support assembly 10. When the hydraulic cylinder 1003 is started, its piston rod will perform telescopic movement under the action of hydraulic pressure. As the piston rod extends and retracts, the conical block 1004 will also rise or fall accordingly. The bottom surface of the forklift casting is supported by the conical block 1004, reducing the occurrence of deformation during the welding process of the forklift casting after clamping, helping to maintain the shape and dimensional stability of the forklift casting, improving the processing accuracy and product quality, avoiding defects such as cracks and deformations caused by excessive force on the forklift casting, and protecting the integrity of the clamped forklift casting during the welding process.

[0067] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A clamping tooling for forklift casting welding and processing, comprising a tooling table (1), characterized in that: In the middle of the bottom surface of the tooling table (1), a support block (2) is fixedly installed. At the lower end of the support block (2), a rotating shaft (3) is fixedly installed. Two arc-shaped blocks (4) are rotatably connected to the rotating shaft (3). The outer walls on both sides of the support block (2) are respectively slidably connected to the inner walls of the arc-shaped blocks (4). A T-shaped cylinder (5) is arranged below the rotating shaft (3). The lower end of the T-shaped cylinder (5) is rotatably connected to a base (6). A plurality of through grooves (7) are opened on the tooling table (1). A lifting assembly (8) is slidably connected inside the through groove (7). A sleeve (801) is arranged on the lifting assembly (8). Two limiting blocks (802) are fixedly installed on the outer wall of the sleeve (801). The sleeve (801) and the limiting blocks (802) are respectively slidably connected to the tooling table (1) through the through groove (7). A lifting column (803) is slidably connected inside the sleeve (801). A positioning block (810) is fixedly installed on the top surface of the lifting column (803); On the outer wall of the upper end of the lifting column (803), a clamping assembly (9) is fixedly connected. An adjusting block (901) is arranged on the clamping assembly (9). One end of the adjusting block (901) is fixedly arranged on the outer wall of the upper end of the lifting column (803). A plurality of support assemblies (10) are installed on the tooling table (1); A groove (806) is opened on the sleeve (801). A T-shaped block (807) is slidably connected inside the groove (806). The T-shaped block (807) is fixedly connected to the outer wall of the lower end of the lifting column (803). A first lead screw (808) is threadedly connected to the T-shaped block (807) through a threaded hole. Two connecting blocks (809) are symmetrically fixedly installed on the outer wall of the sleeve (801). The outer peripheral walls of the upper and lower ends of the first lead screw (808) are respectively rotatably connected to the connecting blocks (809). A third servo motor (811) is installed on the bottom surface of the sleeve (801) through a mounting seat. The output shaft of the third servo motor (811) is coaxially connected to the first lead screw (808); The clamping assembly (9) includes clamping claws (902). A slider (903) is slidably connected to the adjusting block (901). An adjusting column (906) is slidably connected to the slider (903). A hinge seat (910) is fixedly installed at the upper end of the adjusting column (906). A rotating block (911) is rotatably connected to the hinge seat (910). The rotating block (911) is fixedly connected to the clamping claws (902). A rotating seat (912) is installed on the outer wall of the upper end of the adjusting column (906). A third cylinder (913) is installed on the rotating seat (912) through a mounting seat; A clamping block (907) is fixedly installed on the outer wall of the adjusting column (906) close to the positioning block (810). The clamping block (907) is slidably connected to the slider (903). The adjusting column (906) is slidably connected to the adjusting block (901). The adjusting column (906) has a clearance fit with the through groove (7); The bottom surface of the slider (903) is installed with a second cylinder (909) through a mounting seat. The piston rod of the second cylinder (909) is fixedly connected to the lower end of the adjusting column (906). The outer wall of the second cylinder (909) is in clearance fit with the inner wall of the through groove (7). One end of the clamping jaw (902) is provided with a U-shaped groove (914). A rotating rod (915) is arranged inside the U-shaped groove (914). The outer peripheral walls of both ends of the rotating rod (915) are respectively rotatably connected to the clamping jaw (902). The piston rod of the third cylinder (913) is fixedly connected to the rotating rod (915).

2. The clamping tooling for forklift casting welding and processing according to claim 1, characterized in that: A first servo motor (11) is installed on the outer wall of one of the arc-shaped blocks (4) through a mounting seat. The output shaft of the first servo motor (11) is coaxially connected to the rotating shaft (3). A gear ring (12) is sleeved on the outer peripheral wall of the lower end of the T-shaped cylinder (5). A gear (13) is meshed with the gear ring (12). A second servo motor (14) is installed on the top surface of the base (6) through a mounting seat. The central shaft of the gear (13) is coaxially connected to the output shaft of the second servo motor (14).

3. The clamping tooling for forklift casting welding and processing according to claim 1, characterized in that: The lifting assembly (8) includes a first cylinder (804). The first cylinder (804) is installed at the bottom edge of the tooling table (1) through a front mounting seat. A push block (805) is fixedly arranged on the outer wall of the lower end of the sleeve (801). The piston rod of the first cylinder (804) is fixedly connected to the push block (805).

4. The clamping tooling for forklift casting welding and processing according to claim 1, characterized in that: One end of the slider (903) is threadedly connected with a second lead screw (904). The outer peripheral walls of both ends of the second lead screw (904) are respectively rotatably connected to two fixing blocks (905). The two fixing blocks (905) are respectively fixedly connected to the adjusting block (901). A fourth servo motor (908) is installed on the outer side wall of the adjusting block (901) through a mounting seat. The output shaft of the fourth servo motor (908) is coaxially connected to the second lead screw (904).

5. The clamping tooling for forklift casting welding and processing according to claim 1, characterized in that: The support assembly (10) includes a mounting plate (1001). Connecting bolts (1002) are respectively inserted at the four corners of the mounting plate (1001). The bottom surface of the tooling table (1) is threadedly connected with the connecting bolts (1002) through threaded holes. A hydraulic cylinder (1003) is arranged in the middle of the mounting plate (1001). The piston rod of the hydraulic cylinder (1003) is slidably connected to the tooling table (1). A conical block (1004) is installed on the outer peripheral wall of the upper end of the piston rod of the hydraulic cylinder (1003).

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