Demolding mechanism for flanged product
By designing the ejector block and floating block in the demolding mechanism, the problem of difficult demolding of four-sided bent products in continuous die production was solved, achieving smooth product release and improving production efficiency and product quality consistency.
Patent Information
- Application Number
- CN202520233428.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-13
AI Technical Summary
In continuous die production, products with bends on all four sides are prone to getting stuck during demolding and are difficult to remove smoothly from the mold, especially due to the increased friction between the edges of the bent product and the inner wall of the mold and the uneven stress caused by the complex shape.
A demolding mechanism for flanged products was designed. By setting a stripping block and a floating block in the mold, the rotation of the stripping block and the lifting of the floating block, together with the guide block and the telescopic rod, can achieve smooth demolding of the product.
This effectively solved the problem of product jamming, enabled smooth demolding of products bent on all four sides, and improved production efficiency and product quality consistency.
Smart Images

Figure CN223761999U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold technology, specifically to a demolding mechanism for flanged products. Background Technology
[0002] In the metal processing industry, progressive die manufacturing, with its high efficiency and precision, has become an important method for many companies to carry out mass production. For the production of products with four-sided bending, progressive die technology can achieve one-piece molding, which greatly improves production efficiency and product quality consistency.
[0003] However, in actual production, four-sided bent products suffer from a serious problem of uneven product release during progressive die production. Due to their unique structure, the separation process between the four-sided bent product and the die is quite complex after the stamping and bending processes at each station of the progressive die. When the product needs to be removed from the die after processing, it often gets stuck at the bending area or other structural parts of the die. This is because the friction between the edge of the bent product and the inner wall of the die increases, and the complex shape formed by the four-sided bend causes uneven force distribution during separation, making it difficult for the product to fall smoothly from the die's outlet. Utility Model Content
[0004] The purpose of this invention is to address the aforementioned shortcomings in the prior art by providing a demolding mechanism for flanged products.
[0005] The purpose of this utility model is achieved through the following technical solution: a demolding mechanism for flanged products, comprising an upper mold and a lower mold; the bottom of the upper mold is provided with an upper forming mold; the top of the lower mold is provided with a lower forming mold; the bottom of the upper forming mold is provided with a forming groove; the top of the lower forming mold is provided with a forming boss that cooperates with the forming groove; the forming boss is provided with a bending block;
[0006] The forming boss is movably provided with a stripping block; the top surface of the stripping block is provided with a stripping surface; the top surface of the forming boss is provided with abutment surface;
[0007] When the upper mold and the lower mold are closed, the plane where the stripper surface is located is set parallel to the plane where the abutment surface is located, and the height of the stripper surface is lower than the height of the abutment surface.
[0008] When the upper and lower molds open, the plane containing the stripper surface intersects with the plane containing the abutment surface, and the height of the stripper surface is higher than the height of the abutment surface.
[0009] The present invention is further configured such that a first straight groove and a first arc-shaped groove are provided on one side of the stripping block; the first arc-shaped groove is provided at the bottom of the first straight groove; the forming boss is provided with a first guide block; the first guide block is movably disposed between the first straight groove and the first arc-shaped groove;
[0010] The bottom of the stripping block is provided with a flipping surface; the plane where the flipping surface is located intersects with the plane where the stripping surface is located.
[0011] The present invention is further configured such that: on the other side of the stripping block is a second straight groove parallel to the first straight groove; the forming boss is provided with a second guide block; the second guide block is movably disposed in the second straight groove; the straight line where the first guide block and the second guide block are located is arranged parallel to the plane where the abutment surface is located.
[0012] The present invention is further configured such that the lower mold is provided with a floating block for lifting and lowering; the top of the floating block is used to abut against the flipping surface.
[0013] The present invention is further configured such that the upper mold is provided with a push rod for abutting against the floating block; the push rod protrudes from the bottom of the upper forming mold; and a first telescopic rod is provided between the push rod and the upper mold.
[0014] The present invention is further configured such that a second telescopic rod is provided between the floating block and the lower mold.
[0015] The present invention is further configured such that the floating block is connected to a guide rod; the lower mold is provided with a guide groove; and the guide rod is movably and vertically positioned within the guide groove.
[0016] The present invention is further configured such that the upper mold is movably equipped with a stripping plate; the bottom of the stripping plate is used to abut against the stripping surface.
[0017] The present invention is further configured such that the upper mold is provided with a driving component for driving the stripper plate to rise and fall.
[0018] The beneficial effects of this utility model are as follows: By setting a stripper block, the product is floated when the mold is opened. When the product is floated to a certain height, the stripper block rotates the product at a certain angle, thereby causing the product's center of gravity to flip backward, which makes it easier for the product to fall. Attached Figure Description
[0019] The utility model will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present utility model. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model when the mold is closed;
[0021] Figure 2 This is a schematic diagram of the structure of this utility model during mold opening;
[0022] The components are as follows: 1. Upper mold; 11. Upper forming mold; 12. Forming groove; 2. Lower mold; 21. Lower forming mold; 22. Forming boss; 23. Abutting surface; 24. Bending block; 3. Stripping block; 31. Stripping surface; 32. Turning surface; 41. First straight groove; 42. First arc groove; 43. First guide block; 51. Second straight groove; 52. Second guide block; 6. Floating block; 61. Second telescopic rod; 62. Guide rod; 63. Guide groove; 71. Top rod; 72. First telescopic rod; 8. Stripping plate; 81. Driving component; 9. Product. Detailed Implementation
[0023] The present invention will be further described in conjunction with the following embodiments.
[0024] Depend on Figures 1 to 2 As can be seen, the demolding mechanism for a flanged product described in this embodiment includes an upper mold 1 and a lower mold 2; the bottom of the upper mold 1 is provided with an upper forming mold 11; the top of the lower mold 2 is provided with a lower forming mold 21; the bottom of the upper forming mold 11 is provided with a forming groove 12; the top of the lower forming mold 21 is provided with a forming boss 22 that cooperates with the forming groove 12; the forming boss 22 is provided with a bending block 24;
[0025] The forming boss 22 is movably provided with a stripping block 3; the top surface of the stripping block 3 is provided with a stripping surface 31; the top surface of the forming boss 22 is provided with abutment surface 23;
[0026] When the upper mold 1 and the lower mold 2 are closed, the plane where the stripping surface 31 is located is parallel to the plane where the abutment surface 23 is located, and the height of the stripping surface 31 is lower than the height of the abutment surface 23.
[0027] When the upper mold 1 and the lower mold 2 open, the plane where the stripping surface 31 is located intersects with the plane where the abutment surface 23 is located, and the height of the stripping surface 31 is higher than the height of the abutment surface 23.
[0028] Specifically, in the continuous die described in this embodiment, which facilitates material unloading, when bending the product 9, the product 9 is placed between the forming boss 22 and the forming groove 12. During the mold closing process, the stripper block 3 moves downward, making the stripper surface 31 of the stripper block 3 parallel to the abutment surface 23 of the forming boss 22, and making the height of the stripper surface 31 lower than the height of the abutment surface 23, so that the stripper block 3 will not hinder the bending and forming of the product 9. After the product 9 is bent and formed, during the mold opening process, the stripper block 3 moves upward, making the stripper surface 31 of the stripper block 3 intersect with the abutment surface 23 of the forming boss 22, thereby causing the product 9 to rotate at a certain angle, causing the center of gravity of the product 9 to flip backward, and making the height of the stripper surface 31 lower than the height of the abutment surface 23, thereby facilitating the falling of the product 9.
[0029] In this embodiment, a demolding mechanism for flanged products is provided. One side of the ejector block 3 is provided with a first straight groove 41 and a first arc-shaped groove 42; the first arc-shaped groove 42 is located at the bottom of the first straight groove 41; the forming boss 22 is provided with a first guide block 43; the first guide block 43 is movably disposed between the first straight groove 41 and the first arc-shaped groove 42; the bottom of the ejector block 3 is provided with a flipping surface 32; the plane of the flipping surface 32 intersects with the plane of the ejector surface 31. In this embodiment, a demolding mechanism for flanged products is provided. The other side of the ejector block 3 is provided with a second straight groove 51 parallel to the first straight groove 41; the forming boss 22 is provided with a second guide block 52; the second guide block 52 is movably disposed in the second straight groove 51; the straight lines of the first guide block 43 and the second guide block 52 are parallel to the plane of the abutment surface 23. In this embodiment, a demolding mechanism for flanged products is provided. The lower mold 2 is movably equipped with a floating block 6; the top of the floating block 6 is used to abut against the flipping surface 32. In this embodiment, a demolding mechanism for flanged products is provided. The upper mold 1 is movably equipped with a push rod 71 for abutting against a floating block 6. The push rod 71 protrudes from the bottom of the upper forming mold 11. A first telescopic rod 72 is provided between the push rod 71 and the upper mold 1, wherein the first telescopic rod 72 contains a spring. In another embodiment, the upper mold 1 is movably equipped with a stripper plate 8. The bottom of the stripper plate 8 abuts against the stripper surface 31.
[0030] Specifically, in the continuous die for easy unloading described in this embodiment, when bending the product 9, the product 9 is placed between the forming boss 22 and the forming groove 12. During the mold closing process, the ejector rod 71 first abuts against the top surface of the floating block 6, and the ejector rod 71 presses down the floating block 6, thereby separating the floating block 6 from the flipping surface 32 of the stripper block 3. Then the stripper plate 8 drives the stripper block 3 to move downward, thereby moving the first guide block 43 to the top of the first straight groove 41 and the second guide block 52 to the top of the second straight groove 51. At this time, the stripper surface 31 of the stripper block 3 is parallel to the abutting surface 23 of the forming boss 22, and the height of the stripper surface 31 is lower than the height of the abutting surface 23, so that the stripper block 3 will not hinder the bending and forming of the product 9.
[0031] After the product 9 is bent and formed, during the mold opening process, the ejector plate first moves upward and separates from the ejector surface 31 of the ejector block 3. Then, the ejector rod 71 moves upward, thereby causing the floating block 6 to reset and move upward. The floating block 6 contacts the flipping surface 32 of the ejector block 3 and drives the ejector block 3 to rise. When it rises to a certain height, when the first guide block 43 passes through the first arc groove 42, the floating block 6 carries the product 9 and rotates along the first arc groove 42 at a certain angle until the first guide block 43 moves to the bottom of the first arc groove 42. The ejector surface 31 of the ejector block 3 intersects with the abutment surface 23 of the forming boss 22, thereby causing the product 9 to rotate at a certain angle, causing the center of gravity of the product 9 to flip backward, and making the height of the ejector surface 31 lower than the height of the abutment surface 23, thus facilitating the product 9 to fall.
[0032] This embodiment describes a demolding mechanism for flanged products, in which a second telescopic rod 61 is provided between the floating block 6 and the lower mold 2; wherein the second telescopic rod 61 contains a spring, and the above-mentioned arrangement facilitates the resetting of the floating block 6.
[0033] This embodiment describes a demolding mechanism for flanged products, in which the floating block 6 is connected to a guide rod 62; the lower mold 2 is provided with a guide groove 63; and the guide rod 62 is movably positioned within the guide groove 63. This configuration allows the floating block 6 to move stably up and down.
[0034] This embodiment describes a demolding mechanism for flanged products, wherein the upper mold 1 is equipped with a driving component 81 for driving the stripper plate 8 to rise and fall. This arrangement facilitates the lifting and lowering of the stripper plate 8.
[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the essence and scope of the technical solutions of this utility model.
Claims
1. A stripper mechanism for a flanging product, characterized by: It comprises an upper die (1) and a lower die (2); the bottom of the upper die (1) is provided with an upper forming die (11); the top of the lower die (2) is provided with a lower forming die (21); the bottom of the upper forming die (11) is provided with a forming groove (12); the top of the lower forming die (21) is provided with a forming boss (22) matched with the forming groove (12); the forming boss (22) is provided with a bending block (24); The forming boss (22) is movably provided with a stripping block (3); the top surface of the stripping block (3) is provided with a stripping surface (31); the top surface of the forming boss (22) is provided with an abutting surface (23); When the upper die (1) and the lower die (2) are closed, the plane where the stripping surface (31) is located is parallel to the plane where the abutting surface (23) is located, and the height of the stripping surface (31) is lower than the height of the abutting surface (23); When the upper die (1) and the lower die (2) are opened, the plane where the stripping surface (31) is located is intersected with the plane where the abutting surface (23) is located, and the height of the stripping surface (31) is higher than the height of the abutting surface (23).
2. A stripper mechanism for a flanged product according to claim 1, characterized in that: One side of the stripping block (3) is provided with a first linear groove (41) and a first arc-shaped groove (42); the first arc-shaped groove (42) is arranged at the bottom of the first linear groove (41); the forming boss (22) is provided with a first guide block (43); the first guide block (43) is movably arranged between the first linear groove (41) and the first arc-shaped groove (42); The bottom of the stripping block (3) is provided with a turnover surface (32); the plane where the turnover surface (32) is located is intersected with the plane where the stripping surface (31) is located.
3. A stripper mechanism for a flanged product according to claim 2, characterized in that: The other side of the stripping block (3) is provided with a second linear groove (51) parallel to the first linear groove (41); the forming boss (22) is provided with a second guide block (52); the second guide block (52) is movably arranged in the second linear groove (51); the straight line where the first guide block (43) and the second guide block (52) are located is parallel to the plane where the abutting surface (23) is located.
4. The stripper mechanism for a flanged product according to claim 2, characterized in that: The lower die (2) is movably provided with a floating block (6); the top of the floating block (6) is used for abutting against the turnover surface (32).
5. A stripper mechanism for a flanged product according to claim 4, characterized in that: The upper die (1) is movably provided with a top rod (71) used for abutting against the floating block (6); the top rod (71) protrudes out of the bottom of the upper forming die (11); the first telescopic rod (72) is arranged between the top rod (71) and the upper die (1).
6. The stripper mechanism for a flanged product according to claim 4, characterized in that: The second telescopic rod (61) is arranged between the floating block (6) and the lower die (2).
7. The stripper mechanism for a flanged product according to claim 4, characterized in that: The floating block (6) is connected with a guide rod (62); the lower die (2) is provided with a guide groove (63); the guide rod (62) is movably arranged in the guide groove (63).
8. The stripper mechanism for a flanged product according to claim 1, characterized in that: The upper die (1) is movably provided with a stripping plate (8); the bottom of the stripping plate (8) is used for abutting against the stripping surface (31).
9. A stripper mechanism for a flanged product according to claim 8, characterized in that: The upper die (1) is provided with a driving member (81) used for driving the stripping plate (8) to move up and down.