Flexible point splicing tool and method for frame side supports of universal forklift loader
Through flexible splicing tooling and methods, the tooling platform and multiple positioning components are used to achieve precise positioning and rapid splicing of the forklift frame side bracket, solving the problems of inaccurate positioning accuracy and low efficiency in the existing technology, and improving the splicing quality and production capacity of the forklift frame bracket.
Patent Information
- Application Number
- CN202510822572.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-19
- Publication Date
- 2025-09-05
AI Technical Summary
In the prior art, the position accuracy of the frame side bracket is inaccurate and the working efficiency is low, which affects the overall assembly quality and stability of the forklift frame.
A flexible splicing tooling including a tooling platform, a front support assembly, a rear support assembly, and first to fourth positioning assemblies is used, and precise positioning and rapid splicing of the frame side bracket are achieved through multiple adjustable and movable positioning assemblies.
It realizes the fast and efficient splicing of frame brackets of different models, improves the splicing quality and production capacity of forklift frame brackets, and ensures the precision and efficiency of splicing.
Smart Images

Figure CN120587797A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of welding tooling, and in particular to a flexible jointing tooling and method for a universal forklift frame side bracket. Background Art
[0002] The side frame bracket is a key component of the forklift truck frame, providing support for core components such as the engine, gearbox, and radiator. The accuracy of the bracket's assembly points plays a crucial role in the overall assembly quality and stability of the vehicle. Existing methods involve workers manually marking and aligning the brackets using a tape measure, which lacks guaranteed accuracy and results in low efficiency.
[0003] Therefore, it is necessary to develop new types of splicing tooling and methods to overcome the above problems. Summary of the Invention
[0004] Purpose of the invention: In view of the shortcomings and defects of the existing technology, the present invention provides a universal forklift frame side bracket flexible assembly tooling and method to solve the problems of inaccurate relative position accuracy and low work efficiency of the frame side bracket in the existing technology.
[0005] Technical solution: The present invention is a universal forklift frame side bracket flexible assembly tooling, which is characterized by: including a tooling platform, on which a rear support assembly, a first positioning assembly, a front support assembly, a second positioning assembly, a third positioning assembly and a fourth positioning assembly are provided; the number of the front support assemblies is 2, which are distributed on both sides of the front of the tooling platform and are used to position the front hinge holes of the frame; the rear support assembly is distributed in the middle position of the rear and is used to position, adjust and support the rear of the frame; the first positioning assembly, the second positioning assembly, the third positioning assembly and the fourth positioning assembly are located in the middle of the tooling platform and distributed on both sides, and are respectively used to position the side brackets at different positions on both sides of the frame.
[0006] Among them, the tooling platform is a three-dimensional flexible platform, which is located at the bottom of the overall tooling and is the main connecting unit of the overall tooling. A number of equal-sized and equidistant mounting holes are provided on the upper surface and sides of the tooling platform.
[0007] Wherein, the rear support assembly is a height-adjustable device, and the rear support assembly includes a fixed assembly and a movable assembly, and the movable assembly can move coaxially along the fixed assembly.
[0008] Among them, the first positioning component includes a flexible square box 1, a positioning plate 1, a positioning plate 2 and a quick-change pin shaft 1. All surfaces of the flexible square box 1 are provided with a number of mounting holes with equal diameter and equal hole spacing. The positioning plate 1 and the positioning plate 2 are both provided with a number of mounting holes and positioning shoulders with the same diameter and equal hole spacing as the flexible square box 1.
[0009] Among them, the second positioning component includes flexible square box 2, positioning plate 3, positioning plate 4, positioning plate 5 and quick-change pin shaft 2. All surfaces of flexible square box 2 are provided with a number of mounting holes with equal diameter and equal hole spacing. Positioning plate 3, positioning plate 4, positioning plate 5 are all provided with a number of mounting holes and positioning shoulders with the same diameter and hole spacing as flexible square box 2.
[0010] Among them, the third positioning component includes a flexible square box three, a positioning plate six, a positioning plate seven and a quick-change pin shaft three. All surfaces of the flexible square box three are provided with a number of mounting holes with equal diameter and equal hole spacing. The positioning plate six and the positioning plate seven are both provided with a number of mounting holes and positioning shoulders with the same diameter and hole spacing as the flexible square box three.
[0011] Among them, the fourth positioning component includes a flexible square box four, a positioning plate eight, a positioning plate nine, a positioning plate ten and a quick-change pin shaft four. All surfaces of the flexible square box four are provided with a number of mounting holes with equal diameter and equal hole spacing. The positioning plate eight, the positioning plate nine and the positioning plate ten are all provided with a number of mounting holes and positioning shoulders with the same diameter and hole spacing as the square box.
[0012] Among them, the aperture and hole spacing of the mounting holes set on the tooling platform are the same as the aperture and hole spacing set on flexible square box one, flexible square box two, flexible square box three, and flexible square box four.
[0013] A flexible jointing method for a universal forklift frame side bracket of the present invention is characterized by comprising the following steps:
[0014] 1) Level the assembly platform; find the location of the corresponding workpiece assembly base on the leveled assembly platform, and fix each component on the platform with quick locking pins;
[0015] 2) Assemble the positioning plates of each component according to the fixed hole positions designed for the workpiece using quick locking pins to fix the positioning plates;
[0016] 3) Place the two pins in the mounting pin holes of the arms on both sides of the workpiece tail, and at the same time, drop the rear of the workpiece into the semicircular hole through the pins. The front of the workpiece falls on the front support assembly. The parallelism between the machining surface on the workpiece and the platform plane is achieved by adjusting the height of the front support assembly.
[0017] 4) Place each side bracket on the positioning plate that matches the position of the workpiece side bracket to achieve the positioning of the side bracket in height and length, and assemble each bracket in turn.
[0018] Among them, the forklift frame side bracket includes a frame base structure, and the frame base structure is provided with side bracket one, side bracket two, side bracket three, side bracket four and side bracket five.
[0019] Beneficial Effects: Compared with the prior art, the present invention has the following significant advantages: The present invention includes a tooling platform, a front support assembly, a rear support assembly, a first positioning assembly, a second positioning assembly, a third positioning assembly, and a fourth positioning assembly. The universal frame bracket flexible assembly tooling of the present invention can be applied to the positioning and assembly of frame brackets of different models, achieving fast and efficient assembly of forklift frame side brackets, ensuring the processability of forklift frame bracket assembly, and improving the product quality and production capacity of forklift frame bracket assembly. The present invention solves the problems of inaccurate relative position accuracy and low work efficiency of frame side brackets in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the present invention;
[0021] Figure 2 is a schematic structural diagram of the rear support assembly of the present invention;
[0022] Figure 3 is a structural schematic diagram of the first positioning assembly of the present invention;
[0023] Figure 4 It is a structural schematic diagram of the front support assembly of the present invention;
[0024] Figure 5 is a structural schematic diagram of the second positioning assembly of the present invention;
[0025] Figure 6 is a schematic structural diagram of a third positioning assembly of the present invention;
[0026] Figure 7 is a schematic structural diagram of a fourth positioning assembly of the present invention;
[0027] Figure 8 It is a usage state diagram of the present invention;
[0028] Figure 9 A schematic structural diagram of a workpiece of the present invention;
[0029] In the figure, 10 is the tooling platform; 20 is the rear support assembly; 21 is the fixed assembly; 22 is the movable assembly; 30 is the first positioning assembly; 31 is the flexible square box 1; 32 is the positioning plate 1; 33 is the positioning plate 2; 34 is the quick-change pin shaft 1; 40 is the front support assembly; 41 is the semicircular hole; 42 is the pin shaft; 50 is the second positioning assembly; 51 is the flexible square box 2; 52 is the positioning plate 3; 53 is the positioning plate 4; 54 is the positioning plate 5; 55 is the quick-change Pin shaft two; 60 is the third positioning component; 61 is the flexible square box three; 62 is the positioning plate six; 63 is the positioning plate seven; 64 is the quick-change pin shaft three; 70 is the fourth positioning component; 71 is the flexible square box four; 72 is the positioning plate eight; 73 is the positioning plate nine; 74 is the positioning plate ten; 75 is the quick-change pin shaft four; 81 is the frame base structure; 82 is the side bracket one; 83 is the side bracket two; 84 is the side bracket three; 85 is the side bracket four; 86 is the side bracket five. DETAILED DESCRIPTION
[0030] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0031] like Figure 1 、 Figure 8 、 Figure 9 The universal forklift frame side bracket flexible assembly tooling of the present invention includes a tooling platform 10, on which are provided a rear support assembly 20, a first positioning assembly 30, a front support assembly 40, a second positioning assembly 50, a third positioning assembly 60, and a fourth positioning assembly 70; the number of the front support assemblies 40 is 2, which are distributed on both sides of the front of the tooling platform 10 and are used to locate the front hinge hole of the frame; the rear support assembly 20 is distributed in the middle position of the rear and is used to position, adjust, and support the rear of the frame; the first positioning assembly 30, the second positioning assembly 50, the third positioning assembly 60, and the fourth positioning assembly 70 are located in the middle of the tooling platform 10 and distributed on both sides, respectively used to locate the side brackets at different positions on both sides of the frame. The forklift frame side bracket includes a frame base structure 81, on which are provided a side bracket 1 82, a side bracket 2 83, a side bracket 3 84, a side bracket 4 85, and a side bracket 5 86. The tooling platform 10 is a three-dimensional flexible platform. The tooling platform 10 is located at the bottom of the overall tooling and is the main connecting unit of the overall tooling. A number of mounting holes of equal size and spacing are provided on the upper surface and side surfaces of the tooling platform 10.
[0032] The flexible point splicing method of the universal forklift frame side bracket of the present invention comprises the following steps:
[0033] 1) Level the assembly platform; find the location of the corresponding workpiece assembly base on the leveled assembly platform, and fix each component on the platform with quick locking pins;
[0034] 2) Assemble the positioning plates of each component according to the fixed hole positions designed for the workpiece using quick locking pins to fix the positioning plates;
[0035] 3) Place the two pins 42 in the mounting pin holes of the arms on both sides of the workpiece tail. At the same time, drop the rear of the workpiece into the provided semicircular hole 41 through the pins. The front of the workpiece falls on the front support assembly 40. The parallelism between the workpiece processing surface and the platform plane is achieved by adjusting the height of the front support assembly 40.
[0036] 4) Place each side bracket on the positioning plate that matches the position of the workpiece side bracket to achieve the positioning of the side bracket in height and length, and assemble each bracket in turn.
[0037] like Figure 2 The rear support assembly 20 is a height-adjustable device. The rear support assembly 20 includes a fixed assembly 21 and a movable assembly 22 . The movable assembly 22 can move coaxially along the fixed assembly 21 .
[0038] like Figure 3 The first positioning assembly 30 includes a flexible square box 31, a positioning plate 32, a positioning plate 33 and a quick-change pin 34. All surfaces of the flexible square box 31 are provided with a plurality of mounting holes with equal diameters and equal hole spacings. The positioning plate 1 32 and the positioning plate 2 33 are both provided with a plurality of mounting holes and positioning shoulders with the same diameters and hole spacings as the flexible square box 31.
[0039] like Figure 5 The second positioning assembly 50 includes a flexible square box 2 51, a positioning plate 3 52, a positioning plate 4 53, a positioning plate 54 and a quick-change pin shaft 2 55. All surfaces of the flexible square box 2 51 are provided with a number of mounting holes with equal diameter and equal hole spacing. The positioning plate 3 52, the positioning plate 4 53, and the positioning plate 5 54 are all provided with a number of mounting holes and positioning shoulders with the same diameter and hole spacing as the flexible square box 2 51.
[0040] like Figure 6 The third positioning assembly 60 includes a flexible square box three 61, a positioning plate six 62, a positioning plate seven 63 and a quick-change pin shaft three 64. All surfaces of the flexible square box three 61 are provided with a plurality of mounting holes with equal diameter and equal hole spacing. The positioning plate six 62 and the positioning plate seven 63 are both provided with a plurality of mounting holes and positioning shoulders with the same diameter and hole spacing as the flexible square box three 61.
[0041] like Figure 7 The fourth positioning assembly 70 includes a flexible square box 4 71, a positioning plate 8 72, a positioning plate 9 73, a positioning plate 10 74 and a quick-change pin shaft 4 75. All surfaces of the flexible square box 4 71 are provided with a number of mounting holes with equal diameter and equal hole spacing. The positioning plate 8 72, the positioning plate 9 73 and the positioning plate 10 74 are all provided with a number of mounting holes and positioning shoulders with the same diameter and hole spacing as the square box.
[0042] like Figure 2-7The aperture and hole spacing of the mounting holes provided on the tooling platform 10 are the same as those provided on the flexible square box 1 31 , the flexible square box 2 51 , the flexible square box 3 61 , and the flexible square box 4 71 .
[0043] The present invention includes a tooling platform, a front support assembly, a rear support assembly, a first positioning assembly, a second positioning assembly, a third positioning assembly, and a fourth positioning assembly. The universal frame bracket flexible assembly tooling of the present invention is applicable to the positioning and assembly of frame brackets of different models, enabling rapid and efficient assembly of forklift frame side brackets, ensuring the manufacturability of forklift frame bracket assembly, and improving product quality and production capacity. This solves the problems of inaccurate relative position accuracy and low work efficiency of frame side brackets in the prior art.
Claims
1. A universal forklift frame side bracket flexible joint tooling, characterized by: The utility model comprises a tooling platform (10), on which a rear support assembly (20), a first positioning assembly (30), a front support assembly (40), a second positioning assembly (50), a third positioning assembly (60) and a fourth positioning assembly (70) are provided; the number of the front support assemblies (40) is 2, which are distributed on both sides of the front of the tooling platform (10) and are used to locate the front hinge point holes of the frame; the rear support assembly (20) is distributed in the middle position of the rear part and is used to locate, adjust and support the rear part of the frame; the first positioning assembly (30), the second positioning assembly (50), the third positioning assembly (60) and the fourth positioning assembly (70) are located in the middle of the tooling platform (10) and distributed on both sides, and are used to locate the side brackets at different positions on both sides of the frame.
2. The universal forklift frame side bracket flexible joint tooling according to claim 1 is characterized by: The tooling platform (10) is a three-dimensional flexible platform. The tooling platform (10) is located at the bottom of the overall tooling and is the main connecting unit of the overall tooling. The upper surface and side surfaces of the tooling platform (10) are provided with a plurality of mounting holes of equal size and spacing.
3. The universal forklift frame side bracket flexible joint tooling according to claim 1 is characterized by: The rear support assembly (20) is a height-adjustable device. The rear support assembly (20) comprises a fixed assembly (21) and a movable assembly (22). The movable assembly (22) can move coaxially along the fixed assembly (21).
4. The universal forklift frame side bracket flexible joint tooling according to claim 1 is characterized by: The first positioning assembly (30) includes a flexible square box (31), a positioning plate (32), a positioning plate (33) and a quick-change pin (34). All surfaces of the flexible square box (31) are provided with a plurality of mounting holes with equal diameters and equal hole spacings. The positioning plate (32) and the positioning plate (33) are both provided with a plurality of mounting holes and positioning shoulders with equal diameters and equal hole spacings as the flexible square box (31).
5. The universal forklift frame side bracket flexible joint tooling according to claim 1, characterized in that: The second positioning assembly (50) includes a flexible square box 2 (51), a positioning plate 3 (52), a positioning plate 4 (53), a positioning plate 5 (54) and a quick-change pin shaft 2 (55). All surfaces of the flexible square box 2 (51) are provided with a plurality of mounting holes with equal diameters and equal hole spacings. The positioning plate 3 (52), the positioning plate 4 (53) and the positioning plate 5 (54) are all provided with a plurality of mounting holes and positioning shoulders with equal diameters and equal hole spacings as the flexible square box 2 (51).
6. The universal forklift frame side bracket flexible joint tooling according to claim 1, characterized in that: The third positioning assembly (60) includes a flexible square box three (61), a positioning plate six (62), a positioning plate seven (63) and a quick-change pin shaft three (64). All surfaces of the flexible square box three (61) are provided with a plurality of mounting holes with equal diameters and equal hole spacings. The positioning plate six (62) and the positioning plate seven (63) are both provided with a plurality of mounting holes and positioning shoulders with equal diameters and equal hole spacings as the flexible square box three (61).
7. The universal forklift frame side bracket flexible joint tooling according to claim 1, characterized in that: The fourth positioning assembly (70) includes a flexible square box four (71), a positioning plate eight (72), a positioning plate nine (73), a positioning plate ten (74) and a quick-change pin shaft four (75). All surfaces of the flexible square box four (71) are provided with a plurality of mounting holes with equal diameters and equal hole spacings. The positioning plate eight (72), the positioning plate nine (73) and the positioning plate ten (74) are all provided with a plurality of mounting holes and positioning shoulders with equal diameters and equal hole spacings as the square box.
8. The universal forklift frame side bracket flexible joint tooling according to claim 1, characterized in that: The aperture and hole spacing of the mounting holes provided on the tooling platform (10) are the same as those of the flexible square box one (31), the flexible square box two (51), the flexible square box three (61), and the flexible square box four (71).
9. A flexible joint method for side brackets of a universal forklift frame, characterized by: The steps include: 1) Level the assembly platform; find the location of the corresponding workpiece assembly base on the leveled assembly platform, and fix each component on the platform with quick locking pins; 2) Assemble the positioning plates of each component according to the fixed hole positions designed for the workpiece using quick locking pins to fix the positioning plates; 3) Place the two pins (42) in the mounting pin holes of the arm brackets on both sides of the tail of the workpiece, and at the same time, drop the rear of the workpiece into the provided semicircular hole (41) through the pins, and place the front of the workpiece on the front support assembly (40). The parallelism between the machining surface on the workpiece and the platform plane is achieved by adjusting the height of the front support assembly (40); 4) Place each side bracket on the positioning plate that matches the position of the workpiece side bracket to achieve the positioning of the side bracket in height and length, and assemble each bracket in turn.
10. The flexible jointing method for the side bracket of a universal forklift frame according to claim 9, characterized in that: The forklift truck frame side bracket comprises a frame base structure (81), and the frame base structure (81) is provided with a side bracket 1 (82), a side bracket 2 (83), a side bracket 3 (84), a side bracket 4 (85) and a side bracket 5 (86).
Citation Information
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