一种板材折弯通用成型胎模
By using a modular and adjustable universal forming mold for bending sheet metal, the problem of poor adaptability of dedicated molds has been solved, achieving efficient compatibility and precise forming of different sheet metals, reducing mold inventory and production costs, and improving production efficiency and forming accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI COAL MINE MASCH MFG CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, the special mold has poor adaptability and cannot be compatible with workpieces of different thicknesses, bending radii or complex shapes. This leads to a surge in mold inventory, high costs and low production efficiency. In addition, the sheet metal is prone to shift during the bending process, resulting in a high scrap rate.
The modular and adjustable universal forming mold for bending sheet metal is adopted. Through the design of replaceable bending cylinder and support cylinder, combined with the sliding displacement mechanism of the movable mold and multi-thickness combination pad, it can achieve compatibility with different bending radii, sheet thickness and irregular cross sections, and suppress sheet metal displacement through the linkage locking mechanism of limit bolts.
Significantly reduces mold inventory pressure, improves production efficiency, lowers overall costs, ensures the forming accuracy and stability of complex workpieces, reduces scrap rate, simplifies maintenance processes, and promotes the transformation of sheet metal bending technology towards flexible production.
Smart Images

Figure CN224508108U_ABST
Abstract
Claims
1. A universal forming mold for bending sheet material, characterized by: The device includes an upper mold (1), a lower mold (2), a movable mold (3), a movable pad (4), a limiting bolt (5), and a fastening bolt (6). The upper mold (1) is positioned above the lower mold (2), the movable mold (3) is positioned on the lower mold (2), the movable pad (4) is positioned between the lower mold (2) and the movable mold (3), the limiting bolt (5) is positioned on the side wall of the lower mold (2) and connected to the movable mold (3) and the movable pad (4) to limit its position, and the fastening bolt (6) is positioned at the bottom of the movable mold (3) to fix it to the lower mold (2).
2. The universal forming mold for bending sheet metal according to claim 1, characterized in that: The upper mold (1) includes an upper mold top plate (101), an upper mold inclined plate (102), an upper mold reinforcing rib plate (103), an upper mold bending cylinder (104), and an upper mold T-shaped connecting block (105). The upper mold top plate (101) is provided with fixing holes for matching the press slide block. The upper mold top plate (101) is fixedly connected to the top of the upper mold inclined plate (102) and the upper mold reinforcing rib plate (103). Multiple sets of upper molds are equidistantly arranged on both sides of the upper mold inclined plate (102). The upper mold inclined plate (103) has a first T-groove at the bottom and a second T-groove at the top of the upper mold bending cylinder (104). The first T-groove of the upper mold inclined plate (102) and the second T-groove of the upper mold bending cylinder (104) are arranged opposite to each other. The upper mold T-shaped connecting block (105) is arranged in the opposite first T-groove and second T-groove to detachably connect the upper mold inclined plate (102) and the upper mold bending cylinder (104).
3. The universal forming mold for bending sheet metal according to claim 2, characterized in that: The upper mold top plate (101), the upper mold inclined plate (102) and the upper mold reinforcing rib plate (103) are connected by welding, and the upper mold inclined plate (102) has an inclined angle.
4. The universal forming mold for bending sheet metal of claim 1, wherein: The lower mold (2) includes a lower mold base plate (201), a lower mold left side plate (202), a lower mold right side plate (203), a lower mold rib plate (204), a lower mold bottom limiting rib plate (205), a lower mold support block (206), and a lower mold support cylinder (207). The lower mold base plate (201) is located below the upper mold (1). The lower mold left side plate (202) is located on the left side of the upper surface of the lower mold base plate (201). The lower mold support block (206) is located at the upper end of the lower mold left side plate (202). A circular arc groove is provided on the lower mold support cylinder (207), which is located in the circular arc groove of the lower mold support block (206). The lower mold right side plate (203) is located on the right side of the upper surface of the lower mold base plate (201). The lower mold right side plate (203) is matched with a limiting hole for the limiting bolt (5) to pass through. The lower mold rib plate (204) is located on the outside of the lower mold left side plate (202) and the lower mold right side plate (203). The lower mold bottom limiting rib plate (205) is located on the lower inner side of the lower mold left side plate (202).
5. The universal forming mold for bending sheet metal according to claim 4, characterized in that: The lower mold base plate (201) is provided with a sliding groove, and the movable mold (3) is set on the lower mold base plate (201) through the sliding groove. The fastening bolt (6) fixes the movable mold (3) on the sliding groove.
6. The universal forming mold for bending sheet metal according to claim 5, characterized in that: The movable mold (3) includes a movable mold upright plate (301), a movable mold base plate (302), a movable mold rib plate (303), a movable mold handle (304), a movable mold support block (305), and a movable mold support cylinder (306). The movable mold base plate (302) is provided with fixing holes and is bolted to the lower mold base plate (201) by the fastening bolts (6). The bottom of the movable mold base plate (302) is provided with a slide that matches the slide groove of the lower mold base plate (201). The movable mold upright plate (301) is located on the upper surface of the movable mold base plate (302). The movable mold upright plate (301) has a through hole corresponding to the limiting hole of the right side plate (203) of the lower mold. The movable mold rib plate (303) is located on the side of the movable mold upright plate (301) near the left side plate (202) of the lower mold. The movable mold handle (304) is symmetrically arranged on the side of the movable mold upright plate (301). The movable mold support block (305) is located on the top of the movable mold upright plate (301). The movable mold support block (305) has an arc groove. The movable mold support cylinder (306) is located in the arc groove of the movable mold support block (305).
7. The universal forming mold for bending sheet metal according to claim 6, characterized in that: The movable pad (4) includes a movable pad main plate (401) and a movable pad handle (402). The movable pad main plate (401) is disposed between the movable mold upright plate (301) and the lower mold right side plate (203). The movable pad main plate (401) is matched with a limiting hole for the limiting bolt (5) to pass through, which is used to cooperate with the limiting holes on the lower mold right side plate (203) and the movable mold upright plate (301) to fix its position by the limiting bolt (5). The movable pad handle (402) is symmetrically disposed on the side of the movable pad main plate (401).
8. The universal forming mold for bending sheet metal according to claim 7, characterized in that: The movable pad (4) is available in various models with different end face thicknesses. The movable pad (4) can be selectively placed alone or in combination between the lower mold (2) and the movable mold (3).