Multi-cavity mould pressing mould
By designing floating parts and floating top plates in multi-cavity molding molds, the molding material is uniformly compressed, and the problem of uneven stretching of molding materials in existing molds is solved, thereby reducing the wrinkles and deformation defects of molding materials.
Patent Information
- Application Number
- CN202421234577.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In existing multi-cavity molding molds, the molding material is unevenly subjected to uneven tension during molding, resulting in defects such as wrinkles and deformation.
Design a multi-cavity molding mold, including a convex template and a concave template, the convex template has a plurality of cores arranged at intervals, the concave template has a plurality of cavitys, and the core and cavity are movably one by one in the first direction. correspond. The mold also includes a base plate and a floating member. The floating member is composed of a floating top plate, a spring and a guide rod. The floating top plate is arranged between a plurality of cores, and the floating top plate is pressed into the molding material by the elastic force of the spring and guide rod.
Through the compression of the floating top plate, the molding material on the periphery of the core is evenly fixed, avoiding uneven stretching and reducing wrinkles and deformation defects of the molding material.
Smart Images
Figure CN222451092U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of mold technology, and in particular to a multi-cavity compression mold. Background Art
[0002] Some automotive parts, such as the trunk wheel covers and roof interior parts of cars, usually need to be molded. In order to improve production efficiency, a multi-cavity mold is used to perform compression molding or composite molding on multiple parts.
[0003] In the prior art, since the mold has multiple cavities and the structures of multiple parts are different, the molding material between the cavities is subjected to uneven forces, which causes uneven stretching of the molding material during molding, resulting in defects such as wrinkles and deformation of the molding material. How to solve the problem of reducing the uneven stretching of the molding material is something that technicians in this field need to consider. Utility Model Content
[0004] The present application provides a multi-cavity compression mold to solve the problem of how to reduce uneven stretching of molding materials.
[0005] The embodiment of the present application provides a multi-cavity compression mold, including a male mold plate and a female mold plate, wherein the male mold plate has a plurality of cores arranged at intervals, and the female mold plate has a plurality of cavities, wherein the cores correspond to the cavities movably along a first direction, and the multi-cavity compression mold further includes a bottom plate and a floating member. The bottom plate is arranged on a side of the male mold plate away from the female mold plate. The floating member includes a floating top plate, a spring and a guide rod, wherein the floating top plate is arranged on a side of the male mold plate close to the female mold plate, wherein the floating top plate is arranged between the plurality of cores, wherein one end of the guide rod is fixedly connected to the floating top plate, and the other end passes through the male mold plate and is movably connected to the bottom plate, wherein the peripheral surface of the guide rod has a flange, wherein the flange is arranged between the male mold plate and the bottom plate, wherein the spring is arranged between the flange and the bottom plate, wherein the floating top plate can be subjected to the pressure of the female mold plate to drive the guide rod to move, and wherein the flange compresses the spring to elastically support the floating top plate to resist the female mold plate along the first direction.
[0006] Compared with the prior art, in the multi-cavity molding die provided in this embodiment, when performing molding operations, the molding material is placed between the floating top plate and the concave mold plate, the concave mold plate moves toward the convex mold plate so that the molding material is close to the floating top plate, and the concave mold plate continues to move so that the molding material moves toward the bottom plate together with the floating top plate. The spring is compressed to generate an elastic force and is transmitted to the floating top plate along a first direction through the flange, so that the floating top plate presses the molding material. The floating top plate is arranged between multiple cores, so that the molding material located at the periphery of the core is fixed by the floating top plate. Therefore, the molding material on the core is subjected to uniform force during molding, so as to achieve the effect of reducing the uneven stretching of the molding material on the core.
[0007] In a possible implementation, the bottom plate is provided with a countersunk hole, the convex template is provided with a through hole, the countersunk hole corresponds to the through hole along the first direction, and the guide rod is passed through the through hole and extends into the countersunk hole.
[0008] In a possible implementation manner, the surface of the male template close to the female template is recessed to form a first groove, and the first groove is used to accommodate the floating top plate.
[0009] In a possible implementation manner, a groove depth of the first groove is smaller than a thickness of the floating top plate.
[0010] In a possible implementation, the surface of the concave mold plate close to the convex mold plate is recessed to form a second groove, and the second groove corresponds to the floating top plate. When the concave mold plate moves toward the convex mold plate, the floating top plate presses the molding material into the second groove to fix the molding material.
[0011] In a possible implementation manner, a groove depth of the second groove ranges from 4 mm to 6 mm.
[0012] In a possible implementation, a plurality of guide rods are provided, the plurality of guide rods are arranged at intervals, and the plurality of guide rods are fixedly connected to the floating top plate.
[0013] In a possible implementation manner, a plurality of the floating members are provided, and the plurality of the floating members are arranged in the circumference of the core. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.
[0015] Figure 1 This is a schematic structural diagram of a multi-cavity compression mold according to an embodiment of the present application;
[0016] Figure 2 for Figure 1 A top view of a male mold plate of a multi-cavity molding die;
[0017] Figure 3 for Figure 2 A cross-sectional view of a multi-cavity compression mold along line II in an open state;
[0018] Figure 4 for Figure 2A cross-sectional view of a multi-cavity compression molding die along line II in a closed state.
[0019] Description of main component symbols:
[0020] 1. Multi-cavity compression mold; 11. Male mold plate; 111. Core; 112. Through hole; 113. First groove; 12. Female mold plate; 121. Second groove; 13. Bottom plate; 131. Counterbore; 14. Floating member; 141. Floating top plate; 142. Spring; 143. Guide rod; 144. Flange; 15. First direction. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.
[0022] Some embodiments of the present application are described in detail. In the absence of conflict, the following embodiments and features of the embodiments can be combined with each other.
[0023] Example
[0024] See also Figures 1 to 4 As shown, this embodiment provides a multi-cavity compression mold 1, including a male mold plate 11 and a female mold plate 12, the male mold plate 11 has a plurality of cores 111 arranged at intervals, the female mold plate 12 has a plurality of cavities, and the cores 111 and the cavities are movably corresponding one by one along a first direction. The multi-cavity compression mold 1 also includes a bottom plate 13 and a floating member 14. The bottom plate 13 is arranged on a side of the male mold plate 11 away from the female mold plate 12. The floating member 14 includes a floating top plate 141, a spring 142 and a guide rod 143. The floating top plate 141 is arranged on a side of the male mold plate 11 close to the female mold plate 12. The floating top plate 141 is arranged between the plurality of cores 111. One end of the guide rod 143 is fixedly connected to the floating top plate 141, and the other end passes through the male mold plate 11 and is movably connected to the bottom plate 13. The peripheral surface of the guide rod 143 has a flange 144, and the flange 144 is arranged between the male mold plate 11 and the bottom plate 13. The spring 142 is arranged between the flange 144 and the bottom plate 13. The floating top plate 141 can be subjected to the pressure of the female mold plate 12 to drive the guide rod 143 to move, and the flange 144 compresses the spring 142 to elastically support the floating top plate 141 to resist the female mold plate 12 along the first direction 15.
[0025] The core 111 is used to mold the inner structure of the product, and the molding material is placed between the floating top plate 141 and the concave mold plate 12. The molding material includes but is not limited to a fabric skin or a PVC skin.
[0026] When the multi-cavity molding die 1 provided in this embodiment is performing a molding operation, the female mold plate 12 moves toward the male mold plate 11 to make the molding material close to the floating top plate 141, and the female mold plate 12 continues to move to make the molding material move toward the bottom plate 13 together with the floating top plate 141. The spring 142 is compressed to generate an elastic force and is transmitted to the floating top plate 141 along the first direction 15 through the flange 144, so that the floating top plate 141 presses the molding material. The floating top plate 141 is arranged between multiple cores 111, so that the molding material located at the periphery of the core 111 is fixed by the floating top plate 141. Therefore, the molding material on the core 111 is subjected to uniform force during molding to reduce uneven stretching of the molding material on the core 111.
[0027] The positions of the bottom plate 13 and the male plate 11 are fixed, the bottom plate 13 and the male plate 11 are spaced apart, the female plate 12 is driven by a driving device to move along the first direction 15, the female plate 12 moves toward the male plate 11 and molds the material to be molded.
[0028] Combination Figure 3 As shown, one end of the spring 142 is connected to the flange 144 and the other end is connected to the bottom plate 13. When the male mold plate 11 and the female mold plate 12 are closed, the floating top plate 141 moves the guide rod 143 downward under the pressure of the female mold plate 12 and compresses the spring 142 through the flange 144. The elastic force of the spring 142 supports the guide rod 143 through the flange 144 so that the floating top plate 141 presses the molding material, thereby fixing the position of the molding material when the multi-cavity molding die 1 is in the closed state, which is conducive to uniform stretching of the molding material on the core.
[0029] In a possible implementation, the bottom plate 13 is provided with a countersunk hole 131 , the male plate 11 is provided with a through hole 112 , the countersunk hole 131 corresponds to the through hole 112 along the first direction 15 , and the guide rod 143 passes through the through hole 112 and extends into the countersunk hole 131 .
[0030] The countersunk hole 131 and the through hole 112 are respectively opened along the first direction 15, and the guide rod 143 is matched with the through hole 112 near the circumference of the convex template 11 so that the guide rod 143 can move in the through hole 112; the guide rod 143 is matched with the countersunk hole 131 near the circumference of the base plate 13 so that the guide rod 143 can move in the countersunk hole 131.
[0031] In a possible implementation manner, the surface of the male plate 11 close to the female plate 12 is recessed to form a first groove 113 , and the first groove 113 is used to accommodate the floating top plate 141 .
[0032] The shape of the first groove 113 is configured to conform to the floating top plate 141 . When the male mold plate 11 and the female mold plate 12 are closed, the bottom wall of the first groove 113 corresponds to the floating top plate 141 .
[0033] In a possible implementation manner, a depth of the first groove 113 is less than a thickness of the floating top plate 141 .
[0034] When the male mold plate 11 and the female mold plate 12 are closed, the floating top plate 141 protrudes out of the first groove 113 so that the floating top plate 141 presses the molding material, so that the molding material is fixed between the floating top plate 141 and the female mold plate 12 .
[0035] In a possible implementation, the surface of the concave mold plate 12 close to the convex mold plate 11 is recessed to form a second groove 121, and the second groove 121 corresponds to the floating top plate 141. When the concave mold plate 12 moves toward the convex mold plate 11, the floating top plate 141 presses the molding material into the second groove 121 to fix the molding material.
[0036] The sum of the groove depth of the first groove 113 and the groove depth of the second groove 121 is greater than the thickness of the floating top plate 141 . When the male mold plate 11 and the female mold plate 12 are closed, the molding material is pressed into the second groove 121 by the floating top plate 141 .
[0037] In a possible implementation manner, the depth of the second groove 121 ranges from 4 mm to 6 mm.
[0038] Optionally, the thickness of the floating top plate 141 is 15 mm, the thickness of the molding material is 5 mm, the depth of the second groove 121 is 5 mm, and the depth of the first groove 113 ranges from 12 mm to 14 mm. This embodiment is not limited thereto.
[0039] In a possible implementation manner, a plurality of guide rods 143 are provided, the plurality of guide rods 143 are arranged at intervals, and the plurality of guide rods 143 are fixedly connected to the floating top plate 141 .
[0040] In this embodiment, multiple guide rods 143 are provided, and the multiple guide rods 143 are connected to the floating top plate 141 to elastically support the floating top plate 141, which is beneficial to balance the elastic force on the floating top plate 141, so that the floating top plate 141 is evenly pressed against the molding material.
[0041] In a possible implementation manner, a plurality of floating members 14 are provided, and the plurality of floating members 14 are arranged in the circumference of the core 111 .
[0042] In this embodiment, a plurality of floating members 14 are arranged around the core 111 so that the molding material around the core 111 is fixed by the floating top plate 141, so that the molding material around the product to be molded is evenly compressed, thereby evenly stretching the molding material.
[0043] In summary, when the multi-cavity molding die 1 provided in the present embodiment is performing a molding operation, the concave mold plate 12 moves toward the convex mold plate 11 to make the molding material close to the floating top plate 141, and the concave mold plate 12 continues to move to make the molding material move toward the bottom plate 13 together with the floating top plate 141, and the spring 142 is compressed to generate an elastic force and is transmitted to the floating top plate 141 along the first direction 15 through the flange 144, so that the floating top plate 141 presses the molding material, and the floating top plate 141 is arranged between multiple cores 111, so that the molding material located at the periphery of the core 111 is fixed by the floating top plate 141, so that the molding material on the core 111 is evenly stressed during molding to reduce uneven stretching of the molding material on the core 111.
[0044] The above implementation modes are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the above preferred implementation modes, a person skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.
Claims
1. A multi-cavity molding die, comprising a male die plate and a female die plate, wherein the male die plate has a plurality of cores arranged at intervals, the female die plate has a plurality of cavities, the cores and the cavities are movably corresponding to each other along a first direction, characterized in that: The multi-cavity molding die also includes: A bottom plate, arranged on a side of the convex template away from the concave template; The floating member comprises a floating top plate, a spring and a guide rod, wherein the floating top plate is arranged on a side of the male mold plate close to the female mold plate, the floating top plate is arranged between the plurality of cores, one end of the guide rod is fixedly connected to the floating top plate, the other end passes through the male mold plate and is movably connected to the bottom plate, the peripheral surface of the guide rod has a flange, the flange is arranged between the male mold plate and the bottom plate, the spring is arranged between the flange and the bottom plate, the floating top plate can be subjected to the pressure of the female mold plate to drive the guide rod to move, and the flange compresses the spring to elastically support the floating top plate to resist the female mold plate along the first direction.
2. The multi-cavity compression mold according to claim 1, characterized in that: The bottom plate is provided with a countersunk hole, the convex template is provided with a through hole, the countersunk hole corresponds to the through hole along the first direction, and the guide rod is penetrated through the through hole and extends into the countersunk hole.
3. The multi-cavity compression mold according to claim 1, characterized in that: The surface of the male plate close to the female plate is recessed to form a first groove, and the first groove is used to accommodate the floating top plate.
4. The multi-cavity compression mold according to claim 3, characterized in that: The groove depth of the first groove is smaller than the thickness of the floating top plate.
5. The multi-cavity compression mold according to claim 1, characterized in that: The surface of the concave template close to the convex template is concave to form a second groove, and the second groove corresponds to the floating top plate. When the concave template moves toward the convex template, the floating top plate presses the molding material into the second groove to fix the molding material.
6. The multi-cavity compression mold according to claim 5, characterized in that: The depth of the second groove is in the range of 4 mm to 6 mm.
7. The multi-cavity compression mold according to claim 1, characterized in that: There are a plurality of guide rods, the plurality of guide rods are arranged at intervals, and the plurality of guide rods are fixedly connected to the floating top plate.
8. The multi-cavity compression mold according to claim 1, characterized in that: There are a plurality of floating members, and the plurality of floating members are arranged in the circumferential direction of the core.