Frame longitudinal beam forming tool
By using the roller pressing device and hydraulic system of the frame longitudinal beam forming fixture, the automated forming of the variable cross-section of the rear end of the commercial vehicle longitudinal beam is realized, which solves the problems of high labor intensity, long time consumption and low efficiency in the existing technology, improves processing efficiency and quality, and reduces costs.
Patent Information
- Application Number
- CN202423143304.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing technologies for processing variable cross-sections at the tail end of longitudinal beams in commercial vehicles suffer from problems such as high labor intensity, long processing time, low efficiency, low quality, and high cost.
A frame longitudinal beam forming fixture is adopted, including a roller pressing device, a positioning device, a clamping device and a hydraulic system. The bending rollers of the roller pressing device are used to close and form the tail of the cut triangular longitudinal beam under the action of the hydraulic cylinder. Combined with the support of the positioning and clamping devices, automated processing is achieved.
It improved processing efficiency and quality, reduced labor intensity, ensured safety, and lowered costs.
Smart Images

Figure CN223875854U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile parts processing technical field especially, relate to a kind of frame longitudinal beam forming tool. BACKGROUND
[0002] The tail end of the longitudinal beam of some models of commercial vehicles is of variable cross section. In the prior art, the longitudinal beam cannot be directly processed into a longitudinal beam of variable cross section when it is rolled. First, plasma cutting is performed according to the drawing, and then a triangular shape is cut on the side of the variable cross section. Then, the two sides of the cut longitudinal beam need to be overlapped together by repeatedly hammering by the operator, and finally the two sides are welded on the welding line by welding process. However, the following problems exist: after the triangular plasma cutting of the tail end of the longitudinal beam of the vehicle model is completed, the folding and forming of the variable cross section of the longitudinal beam of the vehicle model after the triangular cutting is completely relied on manual operation by the operator, which is labor-intensive, harmful to the health of the operator in the long term, time-consuming and low in efficiency, low in quality, and high in processing cost. SUMMARY
[0003] The utility model aims at the deficiencies of the prior art and provides a frame longitudinal beam forming tool.
[0004] The utility model is implemented by adopting the following technical solutions:
[0005] A frame longitudinal beam forming tool includes a rolling device. The rolling device includes a machine base, a hinged seat, a hydraulic cylinder, a mounting seat, and a bending roller. The hinged seat is arranged on the machine base, the hydraulic cylinder is hinged to the hinged seat, the mounting seat is arranged on the extended end of the hydraulic cylinder, and the bending roller is rotatably connected to the two ends of the mounting seat.
[0006] Preferably, the frame longitudinal beam forming tool further includes a positioning device. The positioning device includes an L-shaped plate one and a frame longitudinal beam straight edge baffle. The frame longitudinal beam straight edge baffle is arranged on the L-shaped plate one.
[0007] Preferably, the frame longitudinal beam forming tool further includes a pressing device. The pressing device includes an L-shaped plate two, a ball screw mechanism, a sliding seat, a connecting rod, a screw rod, and a pressing plate. The L-shaped plate two is arranged on the L-shaped plate one, the ball screw mechanism is arranged on the L-shaped plate two, the sliding seat is slidably connected to the ball screw mechanism, the connecting rod is arranged between the sliding seat and the screw rod, the upper end of the screw rod is screwed to the connecting rod, and the lower end of the screw rod is rotatably connected to the pressing plate.
[0008] Preferably, the frame longitudinal beam forming tool further includes a housing of the hydraulic cylinder and a top plate. The top plate is arranged on the top of the housing of the hydraulic cylinder.
[0009] Preferably, the frame longitudinal beam forming tool further includes a buffer pad. The buffer pad is arranged on the bending roller.
[0010] Preferably, it also includes a hydraulic system and an electrical system; the hydraulic system and the electrical system are disposed within the machine base, and the hydraulic cylinder is controlled by the hydraulic system and the electrical system.
[0011] Preferably, the base has an L-shaped structure, and a support plate is provided on the base, the support plate being fixedly connected to the L-shaped plate.
[0012] Compared with the prior art, the present invention has the following beneficial technical effects:
[0013] This invention utilizes a roller pressing device, where bending rollers, under the action of a hydraulic cylinder, fold and shape the variable cross-section of the tail end of the longitudinal beam of the frame after it has been cut into a triangle. Compared to manual repeated hammering, this invention is more efficient, of higher quality, safer, and more reliable, greatly reducing manpower requirements. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the roller pressing device of this utility model;
[0016] Figure 3 This is a schematic diagram of the pressing device structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the variable cross-section structure at the rear of the longitudinal beam of the frame with the triangle cut off, according to this utility model.
[0018] In the diagram: 1. Base; 2. Hinge seat; 3. Hydraulic cylinder; 4. Straight edge baffle of the frame longitudinal beam; 5. Bending roller; 6. Mounting seat; 7. L-shaped plate one; 8. Electrical system; 9. Hydraulic system; 10. Buffer pad; 11. Housing; 12. Top plate; 13. L-shaped plate two; 14. Support plate; 15. Ball screw mechanism; 16. Sliding seat; 17. Connecting rod; 18. Screw; 19. Pressure plate; 20. Variable cross section at the rear of the frame longitudinal beam. Detailed Implementation
[0019] like Figures 1-4 As shown: A frame longitudinal beam forming fixture includes a roller pressing device; the roller pressing device includes a base 1, a hinge seat 2, a hydraulic cylinder 3, a mounting seat 6, and bending rollers 5; the base 1 is provided with the hinge seat 2, the hydraulic cylinder 3 is hinged to the hinge seat 2, the extended end of the hydraulic cylinder 3 is provided with the mounting seat 6, and the two ends of the mounting seat 6 are rotatably connected to the bending rollers 5; the extended end of the hydraulic cylinder 3 is connected to the end of the mounting seat 6, so that the axis of its extended end and the tangent of the two bending rollers 5 form a force triangle, which facilitates the closing of the variable cross-section of the frame longitudinal beam after the triangle is cut, and achieves force balance when the opening closes. The upper surfaces of the two bending rollers 5 are coated with rubber to prevent damage to the flange surface of the frame longitudinal beam.
[0020] Further, it further comprises a buffer pad 10; the bending roller 5 is provided with the buffer pad 10; the buffer pad 10 can be arranged on one bending roller 5 on the outer side, and the buffer pad 10 is made of polyurethane material and is used for buffering the tail variable cross-section bending of the frame longitudinal beam.
[0021] Further, it further comprises a positioning device; the positioning device comprises an L-shaped plate one 7 and a frame longitudinal beam straight edge baffle 4; the frame longitudinal beam straight edge baffle 4 is arranged on the L-shaped plate one 7.
[0022] It further comprises a pressing device; the pressing device comprises an L-shaped plate two 13, a ball screw mechanism 15, a sliding seat 16, a connecting rod 17, a screw rod 18 and a pressing plate 19; the L-shaped plate two 13 is arranged on the L-shaped plate one 7, the ball screw mechanism 15 is arranged on the L-shaped plate two 13, the sliding seat 16 is slidably connected to the ball screw mechanism 15, the connecting rod 17 is arranged between the sliding seat 16 and the screw rod 18, the upper end of the screw rod 18 is screwed with the connecting rod 17, and the lower end of the screw rod 18 is rotationally connected with the pressing plate 19. The sliding seat 16 can move according to the ball screw mechanism 15, and the top hand wheel structure of the screw rod 18 is rotated to press the pressing plate 19 to press the top of the tail variable cross-section 20 of the frame longitudinal beam.
[0023] It further comprises a hydraulic cylinder 3 shell and a top plate 12; the top of the hydraulic cylinder 3 shell is provided with the top plate 12.
[0024] It further comprises a hydraulic system 9 and an electrical system 8; the hydraulic system 9 and the electrical system 8 are arranged in the machine base 1, and the hydraulic cylinder 3 is controlled by the hydraulic system 9 and the electrical system 8.
[0025] Above, when the machine base 1 is a whole structure, the top of the machine base 1 directly supports the tail variable cross-section 20 of the frame longitudinal beam;
[0026] When the machine base 1 is an L-shaped structure, the machine base 1 is provided with a support plate 14, and the support plate 14 is fixedly connected with the L-shaped plate one 7; the support plate 14 is used for supporting the tail variable cross-section 20 of the frame longitudinal beam;
[0027] Working principle; place the workbench of the cut frame longitudinal beam into the corresponding position of the machine base 1, the tail variable cross-section 20 of the frame longitudinal beam abuts against the frame longitudinal beam straight edge baffle 4, the bending roller 5 is pushed forward under the pressure of the hydraulic cylinder 3, the hydraulic cylinder 3 adjusts the position under the action of the hinge seat 2, the bending roller 5 bends and closes the tail variable cross-section 20 of the frame longitudinal beam after cutting the triangle, and finally the two sides are welded through the welding process on the welding line.
Claims
1. A frame rail forming tool, characterized by, The utility model provides a roll pressing device, including roll pressing device, hinge seat, hydraulic cylinder, mounting seat, bending roller, hinge seat is provided with on the machine base, hydraulic cylinder is hinged with hinge seat, the extension end of hydraulic cylinder is provided with mounting seat, bending roller is rotatably connected with mounting seat both ends.
2. The frame rail forming tooling of claim 1, wherein, The positioning device includes an L-shaped plate one and a frame longitudinal beam straight edge baffle.
3. The frame rail forming tooling of Claim 2, wherein, The pressing device includes an L-shaped plate two, a ball screw mechanism, a sliding seat, a connecting rod, a screw rod and a pressing plate.
4. The frame rail forming tool of Claim 3, wherein, The hydraulic cylinder housing is provided with a top plate at the top.
5. The frame rail forming tooling of Claim 4, wherein, The bending roller is provided with a buffer pad.
6. The frame rail forming tool of claim 5 wherein, The hydraulic system and the electrical system are provided in the machine base, and the hydraulic cylinder is controlled by the hydraulic system and the electrical system.
7. The frame rail forming tool of claim 2 wherein, The machine base is of an L-shaped structure, and is provided with a support plate fixedly connected with the L-shaped plate one.