Quick-release forming die for twist block
By using symmetrically arranged semi-mold shells and quick-release structures, combined with demolding screw design, the problem of low efficiency in the assembly, disassembly, and transportation of the torsion block mold is solved, achieving rapid demolding and mold closing, and reducing production costs and construction difficulty.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG YONGGU METAL TECHNOLOGY CO LTD
- Filing Date
- 2025-06-28
- Publication Date
- 2026-06-16
Smart Images

Figure CN224360381U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of concrete mold technology, and in particular relates to a quick-release molding mold for a twisted block. Background Technology
[0002] Twisted kingpin blocks, commonly used irregularly shaped concrete revetment blocks in port engineering, effectively disperse wave impact and improve the overall stability of breakwaters. However, existing twisted kingpin block molds mostly use bolts to connect and lock the joints. This requires precise alignment of the bolt holes before bolting to prevent misalignment. Furthermore, disassembled bolts are easily lost due to the lack of a fixed storage location, requiring re-searching for bolts during subsequent assembly, increasing assembly time. Jacks are typically used for demolding, but their installation and operation are cumbersome and cannot quickly disconnect the mold from the twisted kingpin block at multiple points, resulting in low separation efficiency. Due to the large size and weight of the twisted kingpin blocks, the corresponding mold size and weight are also large. On the construction site, mold movement relies on forklifts or cranes, requiring ample working and equipment turning space in the prefabrication area. Time must also be spent securing and locking the mold before each move to ensure transportation safety, leading to low efficiency in mold relocation and high manufacturing costs for the twisted kingpin blocks. Utility Model Content
[0003] The purpose of this utility model is to provide a quick-release molding mold for twisted king blocks, which solves the problems of the existing molds for twisted king blocks being time-consuming to assemble, disassemble and transport, and unable to quickly cast the next twisted king block, resulting in low production efficiency and high manufacturing costs.
[0004] To achieve the above objectives, this utility model provides a quick-release molding die for a twisted block, comprising two symmetrically arranged half-mold shells. The side edges of the two half-mold shells are spliced together by at least one quick-release structure to form a molding cavity for the twisted block. The outer wall of the middle part of each half-mold shell is provided with a demolding hole communicating with the cavity. A connecting seat is provided on the outside of the demolding hole. The connecting seat is provided with a guide extending into the demolding hole. The free end of the guide is provided with a cover plate. The cover plate is flush with the demolding hole in the vertical direction and has a clearance fit with the demolding hole. The connecting seat is provided with a connecting hole penetrating into the guide. The demolding screw passes through the connecting hole and extends into the guide, so that its end is attached to the cover plate. At least one of the outer walls of the half-mold shells is detachably connected to a trolley.
[0005] Furthermore, the quick-release structure includes a hook, and a first wing plate and a second wing plate are respectively provided at the splicing point of the two half-shells. A hinge seat is provided on the side of the first wing plate, and one end of the hook is hinged to the hinge seat, and the other end is hooked to the second wing plate.
[0006] Furthermore, the free end of the hook is connected to a locking bolt, and the second wing plate is provided with a locking hole that is directly opposite to and cooperates with the locking bolt; the outer wall of the half mold shell is provided with a fixing seat, and one end of the hinge seat is hinged to the fixing seat.
[0007] Furthermore, a first nut is fixedly connected to the outer periphery of the demolding screw located inside the conduit.
[0008] Furthermore, the thickness of the cover plate is greater than the thickness of the demolding hole.
[0009] Furthermore, the conduit is also provided with a baffle, the baffle having a through hole coaxially arranged with the connecting hole, the first nut being located between the cover plate and the baffle, and the outer diameter of the first nut being larger than the inner diameter of the through hole.
[0010] Furthermore, the outer wall of the semi-mold shell is also provided with a support base, the support base is provided with a positioning hole coaxially arranged with the connecting hole, and the demolding screw passes through the positioning hole and the connecting hole in sequence; a rotating rod is fixed to the end of the demolding screw away from the cover plate.
[0011] Furthermore, the support base is provided with a second nut on the side near the connecting base, the screw hole of the second nut is connected to the positioning hole, and the second nut is threadedly connected to the demolding screw; the support base is a hollow structure.
[0012] Furthermore, the trolley includes a frame and rollers, the rollers are installed at the bottom of the frame, and the two ends of the frame are respectively connected to the two outer walls of the protrusion in the middle of the semi-mold shell; the outer wall of the semi-mold shell is provided with an installation tube, and the frame is provided with a protrusion that is inserted and engaged with the installation tube.
[0013] The above-mentioned one or more technical solutions in the quick-release molding die for the twisted block provided in this embodiment of the utility model have at least the following technical effects:
[0014] After the Twisted King block is formed, the quick-release structure at the joint of the two half-mold shells is first separated. Then, the demolding screw is rotated, causing it to push the cover plate. Under the pushing force, the cover plate deforms and extends into the cavity, thus pushing the half-mold shell off the Twisted King block. Next, the trolley is pushed to move the half-mold shell in a straight line along the ejection direction, completing the rapid demolding. After demolding, the trolley is pushed to quickly move the half-mold shell to the empty half-mold shell position. The quick-release structure is used to close the mold, and the demolding screw is reversed to make the cover plate flush with the demolding hole again, ready for the next pouring, achieving rapid assembly. The design of the connecting hole restricts the radial displacement of the demolding screw, ensuring that the demolding screw can move stably back and forth along the axis when rotating, reducing non-axial friction and avoiding uneven force on the cover plate during the push due to the skewed movement of the demolding screw, which would affect the demolding effect and quality. In addition, the cover plate is flush with the demolding hole in the vertical direction. When the demolding screw pushes the cover plate towards the cavity so that it abuts the Twisted King block, the trolley moves in the opposite direction in a straight line, which can speed up the demolding speed and ensure the molding quality of the Twisted King block.
[0015] The entire demolding, mold moving, and mold closing process is simple and quick, requiring no specialized equipment such as jacks, forklifts, or lifting devices. This not only reduces labor input and construction difficulty but also improves the efficiency of disassembling, transporting, and assembling the Twisted King Blocks, thereby effectively reducing production costs. Furthermore, the detachable design of the trolley facilitates replacement; when a trolley damaged after long-term use, it can be directly disassembled and replaced, reducing maintenance difficulty. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A schematic diagram of the quick-release molding die for the twisted block provided in this embodiment of the utility model.
[0018] Figure 2 The quick-release molding die for the twisted block provided in this embodiment of the utility model Figure 1 A magnified view of A in the middle.
[0019] Figure 3 This is a cross-sectional view of the quick-release structure of the quick-release molding die for the twisted block provided in this embodiment of the utility model.
[0020] Figure 4 The quick-release molding die for the twisted block provided in this embodiment of the utility model Figure 3 A magnified view of B in the middle.
[0021] Figure 5 Another cross-sectional view of the quick-release molding die for the twisted block provided in this embodiment of the utility model.
[0022] Figure 6 The quick-release molding die for the twisted block provided in this embodiment of the utility model Figure 5 A magnified view of C.
[0023] Figure 7 A structural diagram of the trolley for the quick-release molding mold of the twisted block provided in this embodiment of the utility model.
[0024] In the diagram, 100 is a half-mold shell, 110 is a cavity, 120 is a demolding hole, 130 is a connecting seat, 131 is a connecting hole, 132 is a conduit, 133 is a baffle, 134 is a cover plate, 140 is a demolding screw, 141 is a first nut, 142 is a rotating rod, 150 is a first wing plate, 151 is a hinge seat, 152 is a fixed seat, 160 is a second wing plate, 170 is a clearance, 171 is a sealing plate, 180 is a support seat, 181 is a positioning hole, 182 is a second nut, and 190 is a mounting tube.
[0025] 200. Quick-release mechanism; 210. Hook; 220. Locking bolt.
[0026] 300. Trolley; 310. Frame; 311. Protrusion; 320. Roller. Detailed Implementation
[0027] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of this utility model, and should not be construed as limiting the utility model.
[0028] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0030] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.
[0031] In one embodiment of the quick-release molding die for the twisted king block of this utility model, please refer to... Figures 1 to 7 The quick-release molding die for the Twisted King block includes two symmetrically arranged half-mold shells 100. The side edges of the two half-mold shells 100 are spliced together by at least one quick-release structure 200 to form a molding cavity 110 for the Twisted King block. The outer wall of the middle part of the half-mold shell 100 is provided with a demolding hole 120 communicating with the cavity 110. A connecting seat 130 is provided on the outside of the demolding hole 120. The connecting seat 130 is provided with a guide tube 132 extending into the demolding hole 120. The free end of the guide tube 132 is provided with a cover plate 134. The cover plate 134 is flush with the demolding hole 120 in the vertical direction and is clearance-fitted with the demolding hole 120. The connecting seat 130 is provided with a connecting hole 131 penetrating into the guide tube 132. The demolding screw 140 passes through the connecting hole 131 and extends into the guide tube 132, so that its end is attached to the cover plate 134. At least one half-mold shell 100 is detachably connected to a trolley on its outer wall.
[0032] Specifically, after the Twisted King block is formed, the quick-release structure 200 at the joint of the two half-mold shells 100 is first separated. Then, the demolding screw 140 is rotated, causing it to push the cover plate 134. Under the pushing force, the cover plate 134 deforms and extends into the cavity 110, thereby pushing the half-mold shell 100 off the Twisted King block. Next, the trolley 300 is pushed, causing the half-mold shell 100 to move linearly along the ejection direction, completing the rapid demolding. After demolding, the trolley 300 is pushed to quickly move the half-mold shell 100 to the empty half-mold shell position. The mold is closed using the quick-release structure 200, and the demolding screw 140 is reversed, so that the cover plate 134 is flush with the demolding hole 120 again, ready for the next pouring. The design of the connecting hole 131 restricts the radial displacement of the demolding screw 140, ensuring that the demolding screw 140 can move stably back and forth along the axis when rotating, reducing non-axial friction and preventing uneven force on the cover plate 134 during push-up caused by the skewed movement of the demolding screw 140, which would affect the demolding effect and quality. In addition, since the cover plate 134 is flush with the demolding hole 120 in the vertical direction, when the demolding screw 140 pushes the cover plate 134 towards the cavity 110 to make it abut against the Twisted King Block, the trolley 300 moves in the opposite direction in a straight line, which can speed up the demolding speed and ensure the forming quality of the Twisted King Block.
[0033] The demolding and mold-closing operations are simple and quick, requiring no specialized equipment such as jacks, forklifts, or lifting devices. This significantly reduces labor input, lowers construction difficulty, and improves the efficiency of disassembling, transporting, and assembling the Twisted King Block, thereby effectively reducing production costs. The demolding hole 120, guide tube 132, and cover plate 134 can be circular, elliptical, square, or polygonal in shape, and their shapes are compatible. The cover plate 134 is fixed to the end of the guide tube 132 by welding. The connecting seat 130 is preferably a U-shaped seat.
[0034] Preferably, each of the two half-mold shells 100 of a mold is provided with a trolley 300 on its outer wall, which facilitates the simultaneous movement of the trolley 300 to transfer the two half-mold shells 100 separately after demolding, thereby improving the mold's movement efficiency. Alternatively, one or more molds can share a single trolley 300. After the trolley 300 moves one half-mold shell 100 to the next casting point, it is disassembled and installed onto the other half-mold shell 100, moved to the same casting point for mold closing and casting, and then the trolley 300 is disassembled and installed onto another half-mold shell 100 for repeated movement, thus allowing for cyclical use. Sharing a single trolley 300 reduces the mold's manufacturing cost.
[0035] For further details, please refer to... Figures 1 to 4The quick-release structure 200 includes a hook 210. A first wing plate 150 and a second wing plate 160 are respectively provided at the joint of the two half-mold shells 100. A hinge seat 151 is provided on the side of the first wing plate 150. One end of the hook 210 is hinged to the hinge seat 151, and the other end is engaged with the second wing plate 160. Specifically, rotating the hook 210 keeps it locked to the second wing plate 160 without additional positioning, keeping the joint of the two half-mold shells 100 in close contact, ready for pouring construction. Reversing the hook 210 disengages it from the second wing plate 160, and the joint of the two half-mold shells 100 is no longer locked, allowing for quick demolding by rotating the demolding screw 140. The hinge seat 151 axially constrains the hook 210 through upper and lower limiting plates and a rotating shaft, allowing the hook 210 to rotate smoothly in the horizontal plane.
[0036] Preferably, the inner wall of one half of the mold shell 100 is provided with a clearance 170 at the splice, and the inner wall of the other half of the mold shell 100 is provided with a sealing plate 171 extending to the clearance 170 and fitting against the edge of the inner wall of the half of the mold shell 100. The outer edge of one half of the mold shell 100 extends outward with a first wing plate 150, and the outer edge of the other half of the mold shell 100 extends outward with a second wing plate 160. When the hook 210 is in the locked state, the first wing plate 150 and the second wing plate 160 are both located on the outer side of the sealing plate 171 to ensure a tight connection.
[0037] For further details, please refer to... Figure 4 The free end of the hook 210 is connected to a locking bolt 220, and the second wing plate 160 has a locking hole that is directly opposite to and engages with the locking bolt 220. A fixing seat 152 is provided on the outer wall of the half-mold shell 100, and one end of the hinge seat 151 is hinged to the fixing seat 152. Specifically, by rotating the hook 210 so that its free end is located on one side of the second wing plate 160, and then rotating the locking bolt 220 to align and engage with the locking hole, the hook 210 is fixed, ensuring a tight fit between the two half-mold shells 100 to prevent leakage.
[0038] For further details, please refer to... Figure 5 and Figure 6 A first nut 141 is fixedly connected to the outer periphery of the demolding screw 140 located inside the conduit 132. Specifically, the first nut 141 is welded to the outer periphery of the demolding screw 140, and the ends of the first nut 141 and the demolding screw 140 are close to the cover plate 134, which increases the contact area and reduces the risk of the cover plate 134 cracking due to excessive local stress.
[0039] For further details, please refer to... Figure 6 The thickness of the cover plate 134 is greater than the thickness of the demolding hole 120. Specifically, this enhances the structural strength of the cover plate 134 and reduces the risk of cracking.
[0040] For further details, please refer to... Figure 6 The conduit 132 is also equipped with a baffle 133, which has a through hole coaxially arranged with the connecting hole 131. A first nut 141 is located between the cover plate 134 and the baffle 133, and the outer diameter of the first nut 141 is larger than the inner diameter of the through hole. Specifically, the baffle 133 is used to limit the reset stroke of the demolding screw 140. When the demolding screw 140 is rotated so that the first nut 141 approaches the baffle 133, the rotation stops, and the cover plate 134 resets to a position flush with the demolding hole 120. In addition, the first nut 141 also prevents the demolding screw 140 from disengaging from the conduit 132 during rotation.
[0041] For further details, please refer to... Figure 1 and Figure 6 The outer wall of the semi-mold shell 100 is also provided with a support base 180. The support base 180 has a positioning hole 181 coaxially arranged with the connecting hole 131. The demolding screw 140 passes through the positioning hole 181 and the connecting hole 131 in sequence. A rotating rod 142 is fixed to the end of the demolding screw 140 away from the cover plate 134. Specifically, the coaxial design of the positioning hole 181 and the connecting hole 131 further ensures that the demolding screw 140 moves linearly along the axis, avoids jamming or thread damage caused by skewed friction, and extends the screw life. The rotating rod 142 provides a large torque lever arm, and the construction personnel can directly rotate the demolding screw 140 manually, which is especially suitable for frequent demolding conditions.
[0042] For further details, please refer to... Figure 6 A second nut 182 is provided on the side of the support base 180 near the connecting base 130. The threaded hole of the second nut 182 communicates with the positioning hole 181, and the second nut 182 forms a threaded connection with the demolding screw 140. The support base 180 has a hollow structure. Specifically, the second nut 182 is welded and fixed to the support base 180. The demolding screw 140 passes through the positioning hole 181 of the support base, the threaded hole of the second nut 182, and the connecting hole 131 of the connecting base in sequence, so that the end of the demolding screw 140 is located in the guide tube 132. The positioning hole 181 and the connecting hole 131 restrict the radial displacement of both ends of the demolding screw 140. The second nut 182 is threadedly connected to the demolding screw 140, converting the rotational torque into a linear pushing force, improving the accuracy of the pushing stroke of the demolding screw 140, and preventing the demolding screw 140 from retracting or slipping due to resistance during the pushing process. The hollow design of the support base 180 reduces weight and manufacturing materials, thus lowering costs.
[0043] For further details, please refer to... Figure 7The trolley 300 includes a frame 310 and wheels 320. The wheels 320 are mounted on the bottom of the frame 310. Both ends of the frame 310 are connected to the two outer walls of the protrusion in the middle of the semi-mold shell 100. The outer wall of the semi-mold shell 100 is provided with a mounting tube 190, and the frame 310 is provided with a protrusion 311 that engages with the mounting tube 190. Specifically, the frame 310 is connected to the semi-mold shell 100 through the mounting tube 190 via the protrusion 311, and pushing the trolley 300 moves the semi-mold shell 100 together. The shape of the mounting tube 190 can be circular, elliptical, square, or polygonal.
[0044] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A quick-release forming mold for a twisted block, characterized in that, The device includes two symmetrically arranged semi-mold shells, the side edges of which are joined together by at least one quick-release structure to form a molded cavity resembling a T-shaped block; the outer wall of the middle part of each semi-mold shell has a demolding hole communicating with the cavity, a connecting seat is provided on the outside of the demolding hole, the connecting seat has a guide extending into the demolding hole, the free end of the guide has a cover plate, the cover plate is flush with the demolding hole in the vertical direction and has a clearance fit with the demolding hole; the connecting seat has a connecting hole penetrating into the guide, the demolding screw passes through the connecting hole and extends into the guide, so that its end is attached to the cover plate; at least one of the outer walls of the semi-mold shells is detachably connected to a trolley.
2. The quick-release forming mold for the twisted block according to claim 1, characterized in that: The quick-release structure includes a hook, and a first wing plate and a second wing plate are respectively provided at the splice of the two half-shells. A hinge seat is provided on the side of the first wing plate. One end of the hook is hinged to the hinge seat, and the other end is hooked to the second wing plate.
3. The quick-release forming mold for the twisted block according to claim 2, characterized in that: The free end of the hook is connected to a locking bolt, and the second wing plate is provided with a locking hole that is directly opposite to and cooperates with the locking bolt; the outer wall of the half mold shell is provided with a fixing seat, and one end of the hinge seat is hinged to the fixing seat.
4. The quick-release forming mold for the twisted block according to claim 1, characterized in that: A first nut is fixedly connected to the outer periphery of the demolding screw located inside the conduit.
5. The quick-release forming mold for the twisted block according to claim 4, characterized in that: The thickness of the cover plate is greater than the thickness of the demolding hole.
6. The quick-release forming mold for the twisted block according to claim 4, characterized in that: The conduit is also provided with a baffle, the baffle has a through hole coaxially arranged with the connecting hole, the first nut is located between the cover plate and the baffle, and the outer diameter of the first nut is larger than the inner diameter of the through hole.
7. The quick-release forming mold for the twisted king block according to any one of claims 1 to 6, characterized in that: The outer wall of the semi-mold shell is also provided with a support base, and the support base is provided with a positioning hole coaxially arranged with the connecting hole. The demolding screw passes through the positioning hole and the connecting hole in sequence. A rotating rod is fixed to the end of the demolding screw away from the cover plate.
8. The quick-release forming mold for the twisted block according to claim 7, characterized in that: The support base is provided with a second nut on the side near the connecting base. The screw hole of the second nut communicates with the positioning hole, and the second nut is threadedly connected to the demolding screw. The support base is a hollow structure.
9. The quick-release forming mold for the twisted block according to claim 1, characterized in that: The trolley includes a frame and rollers. The rollers are installed at the bottom of the frame. The two ends of the frame are respectively connected to the two outer walls of the protrusion in the middle of the semi-mold shell. The outer wall of the semi-mold shell is provided with a mounting tube, and the frame is provided with a protrusion that is inserted and engaged with the mounting tube.