EPS (Expandable Polystyrene) foam product mold with ejection mechanism
By adopting the matching structure of springs, lifting blocks and movable rods in the EPS foam mold, the stable ejection of the foam is achieved, and the cooling efficiency is improved through the built-in cooling component, which solves the foam deformation and the foam during the ejection process of the existing mold. The problem of breaking improves the operation convenience and reliability of the mold.
Patent Information
- Application Number
- CN202420528216.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-19
AI Technical Summary
During the ejection process of the existing EPS foam product mold with ejection mechanism, the ejection block contacts with the foam with a small force area and poor force balance, which easily leads to foam deformation and breakage, and the ejection mechanism needs to be driven and stopped separately. , inconvenient operation.
An EPS foam mold with a mold release assembly was designed, using a matching structure of springs, lifting blocks and movable rods to achieve elastic reset and ejection, and combined with the cooling assembly, it quickly cools through a pump and a cooling pipe, which improves the ejection. stability and cooling efficiency.
It realizes stable ejection of EPS foam, which is simple and convenient to operate, avoids foam deformation and breakage, improves the practicality and reliability of the mold, and reduces the dependence of external cooling equipment through the built-in cooling system.
Smart Images
Figure CN222156384U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of EPS foam production, in particular to an EPS foam product mold with an ejection mechanism. Background Art
[0002] EPS foam products are a kind of high molecular polymer products made of polystyrene. In the production process of EPS foam products, different molds are needed due to different uses and shapes. The process of making EPS foam products usually includes the following steps: softening, molding, cooling, and removal. Molds play a vital role in this process. They determine the shape and size of the final product. According to different product requirements, corresponding mold devices need to be designed and manufactured during the production process to ensure that EPS foam products that meet the requirements are produced;
[0003] In the prior art, the utility model patent with publication number CN 218640159 U proposes an EPS foam product mold with an ejection mechanism, which gradually raises the fixed rod and the ejection block through a connecting rod, pushes open the two-half sealing plate, so that the ejection block ejects the foam product and completes the demoulding work. In this process, there will be no liquid overflow, and the staff does not need to use mineral oil, the number of maintenance times is reduced, and it is more convenient to eject, and heat can be dissipated during ejection;
[0004] However, during ejection, it only contacts the foam through the ejection block, with a small force area and poor force balance. During the ejection process, the foam that has not been completely cooled may easily deform and break, affecting its processing quality and subsequent processing steps. The ejection structure also requires a secondary drive operation after molding, which is inconvenient to use and takes more time. Therefore, we need to upgrade and transform the existing technology to overcome the existing problems and deficiencies. Utility Model Content
[0005] The utility model aims to provide an EPS foam product mold with an ejection mechanism to solve the problems proposed in the above-mentioned background technology that the contact force area between the ejection block and the foam is small and the force balance is poor, which easily leads to deformation and fracture of the fully cooled foam during the ejection process, and the ejection mechanism needs to be driven and stopped separately, and the operation is not convenient enough.
[0006] To achieve the above purpose, the utility model provides the following technical solution: an EPS foam product mold with an ejection mechanism, comprising a workbench, an upper mold base is arranged at the upper end of the workbench, a lower mold base is arranged on the surface of the workbench, a demoulding component is arranged in the lower mold base, and a cooling component is arranged at the lower end of the lower mold base:
[0007] The demoulding assembly includes a movable groove and a lifting block, the movable groove is provided with a limit groove and a telescopic groove, the outer side of the lifting block is provided with a movable rod, and the lower end of the lifting block is provided with a spring;
[0008] The cooling assembly includes a cooling pool and a cooling pipe. A water pump is provided on one side of the cooling pool. A water inlet pipe is provided on the upper end of the water pump. A connector and a cooling pipe are provided on one side of the water inlet pipe. A water outlet pipe is provided on the other side of the cooling pipe.
[0009] Preferably, four groups of lifting cylinders are installed through the four corners of the workbench, the top of the lifting cylinder is connected to an upper cover plate, and the upper mold base is fixed to the lower end of the upper cover plate and vertically corresponds to the lower mold base.
[0010] Preferably, the spring is located in the telescopic groove and the upper end is connected to the bottom of the lifting block, the lifting block is movably located in the movable groove and the top extends to the upper end of the movable groove, the movable rod is fixed to the side of the lifting block and the movable rod is movably located in the limit groove.
[0011] Preferably, the telescopic slots and springs are provided in four groups and are symmetrically located on the left and right sides of the movable slot, the movable rods and limit slots are provided in two groups and are symmetrically located on the front and back sides of the movable slot, the upper end of the movable rod passes through the outside of the lower mold base, and the top of the movable rod is higher than the lifting block.
[0012] Preferably, four groups of guide rods are fixed on the workbench, and four groups of guide holes are opened on the upper cover plate, and the guide holes are connected to the guide rods in a corresponding manner.
[0013] Preferably, the cooling pool is arranged directly below the workbench, the water pump is connected to the cooling pipe through a water inlet pipe and a connector, and the other end of the cooling pipe is connected to the other side of the cooling pool through a water outlet pipe.
[0014] Preferably, a mounting groove is provided inside the lower mold base, the cooling pipe is passed through and fixed in the mounting groove, four groups of cooling pipes are arranged longitudinally and the four groups of pipes are connected, and the mounting groove matches the cooling pipe.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The EPS foam product mold with an ejection mechanism proposed by the utility model can stably eject the formed EPS foam through the demoulding assembly, which is coordinated by a spring, a lifting block and a movable rod, and the elastic reset lifting block. The operation is simple and convenient, no secondary start is required, and the foam is not easily damaged, which effectively improves the practicality and reliability of the mold;
[0017] At the same time, through the cooling component that is set up, the cooling water is pumped into the cooling pipe by a water pump, and the lower die base is cooled and then returned to the cooling pool, which can effectively improve the cooling and molding efficiency of the lower die base. There is no need for external cooling equipment to cooperate with the operation, and the structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The utility model is further described below in conjunction with the accompanying drawings:
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the working structure of the utility model;
[0021] Figure 3 This is an exploded view of the demoulding component structure of the utility model;
[0022] Figure 4 This is an exploded view of the cooling assembly structure of the present utility model.
[0023] In the figure: 1. workbench; 2. lifting cylinder; 3. upper cover plate; 4. upper die base; 5. lower die base; 6. guide rod; 7. guide hole; 8. demoulding assembly; 81. movable groove; 82. limit groove; 83. telescopic groove; 84. spring; 85. lifting block; 86. movable rod; 9. cooling assembly; 91. cooling pool; 92. water pump; 93. water inlet pipe; 94. connector; 95. cooling pipe; 96. water outlet pipe; 97. installation groove. DETAILED DESCRIPTION
[0024] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.
[0025] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.
[0026] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0027] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.
[0028] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.
[0029] Embodiment 1
[0030] See also Figures 1 to 4 The utility model provides a technical solution: an EPS foam product mold with an ejection mechanism, comprising a workbench 1, an upper mold base 4 is arranged at the upper end of the workbench 1, a lower mold base 5 is arranged on the surface of the workbench 1, a demoulding component 8 is arranged in the lower mold base 5, and a cooling component 9 is arranged at the lower end of the lower mold base 5:
[0031] The demoulding assembly 8 includes a movable groove 81 and a lifting block 85. The movable groove 81 is provided with a limit groove 82 and a telescopic groove 83. The lifting block 85 is provided with a movable rod 86 on the outside. The lower end of the lifting block 85 is provided with a spring 84.
[0032] The cooling assembly 9 includes a cooling pool 91 and a cooling pipe 95. A water pump 92 is provided on one side of the cooling pool 91. A water inlet pipe 93 is provided on the upper end of the water pump 92. A connector 94 and a cooling pipe 95 are provided on one side of the water inlet pipe 93. A water outlet pipe 96 is provided on the other side of the cooling pipe 95.
[0033] The EPS foam raw material for injection molding can be molded by corresponding compression between the upper mold base 4 and the lower mold base 5. The demolding component 8 can be used to automatically eject the molded EPS foam, thereby improving the demolding efficiency and safety. The cooling component 9 can be used to quickly cool the injection-molded EPS foam, thereby improving its mold processing efficiency.
[0034] Embodiment 2
[0035] On the basis of the first embodiment, four groups of lifting cylinders 2 are installed at the four corners of the workbench 1, and the top of the lifting cylinder 2 is connected to the upper cover plate 3. The upper die seat 4 is fixed to the lower end of the upper cover plate 3 and vertically corresponds to the lower die seat 5. Four groups of guide rods 6 are fixed on the workbench 1. Four groups of guide holes 7 are opened on the upper cover plate 3 and the guide holes 7 correspond to the guide rods 6. The spring 84 is located in the telescopic groove 83 and the upper end is connected to the bottom of the lifting block 85. The lifting block 85 is movably located in the movable groove 81 and the top extends to the upper end of the movable groove 81. The movable rod 86 is fixed on the side of the lifting block 85 and the movable rod 86 is movably located in the limiting groove 82. The telescopic groove 83 and the spring 84 are each provided with four groups and are symmetrically located on the left and right sides of the movable groove 81. The movable rod 86 and the limiting groove 82 are each provided with two groups and are symmetrically located on the front and rear sides of the movable groove 81. The upper end of the movable rod 86 penetrates to the outside of the lower die seat 5, and the top of the movable rod 86 is higher than the lifting block 85.
[0036] The lifting cylinder 2 is used to drive the upper cover plate 3 and the upper mold base 4 to descend and cooperate with the lower mold base 5. The guide rod 6 and the guide hole 7 cooperate to vertically guide the movement of the upper mold base 4 to avoid tilting or shaking. The upper mold base 4 presses down the movable rod 86, so that the movable rod 86 drives the lifting block 85 to descend, thereby squeezing the spring 84 and shrinking it into the telescopic groove 83. After injection molding, the spring 84 pushes the lifting block 85 to reset elastically, so that the EPS foam product is ejected from the lower mold base 5. No manual operation is required, the force is uniform, and the foam is not easily damaged.
[0037] Embodiment 3
[0038] On the basis of the second embodiment, the cooling pool 91 is arranged directly below the workbench 1, the water pump 92 is connected to the cooling pipe 95 through the water inlet pipe 93 and the connector 94, the other end of the cooling pipe 95 is connected to the other side of the cooling pool 91 through the water outlet pipe 96, the lower mold base 5 is provided with a mounting groove 97, the cooling pipe 95 is penetrated and fixed in the mounting groove 97, the cooling pipe 95 is arranged in four groups longitudinally and the four groups of pipes are connected, and the mounting groove 97 matches the cooling pipe 95;
[0039] Water is pumped out from the cooling pool 91 by a water pump 92, and then the cooling water is conducted to the cooling pipe 95 through the water inlet pipe 93. The interior of the lower mold base 5 is quickly cooled by the cooling pipe 95, so that the EPS foam is quickly formed. Finally, the cooling water is discharged back into the cooling pool 91 through the water outlet pipe 96, so that the coolant can restore its temperature for reuse.
[0040] When the utility model is in use, the upper cover plate 3 and the upper die seat 4 are first driven to descend by the lifting cylinder 2, and the upper die seat 4 is vertically descended along the guide rod 6 and engaged with the lower die seat 5. At this time, the movable rod 86 is subjected to the pressure of the upper die seat 4 to descend, and the movable rod 86 drives the lifting block 85 to descend, thereby squeezing the spring 84 and causing it to shrink into the telescopic groove 83. At this time, the lifting block 85 is just shrunk into the movable groove 81. Through the cooperation between the upper die seat 4 and the lower die seat 5, the injection molding raw material can be molded to complete the processing of EPS foam. During the molding process, the water pump 92 can be turned on, and the water pump 92 draws water from the cooling pool 9 1 is pumped into the cooling pipe 95 through the water inlet pipe 93, and the circulation cooling of the lower mold base 5 through the cooling pipe 95 can improve the molding speed of the EPS foam. The cooling water passing through the cooling pipe 95 finally returns to the cooling pool 91 through the water outlet pipe 96. The coolant can be used again after the temperature is restored, which effectively improves the cooling effect and resource utilization rate of the device. After the EPS foam is formed, the upper mold base 4 is reset. At this time, the spring 84 elastically resets and pushes the lifting block 85 and the movable rod 86 to reset, thereby making the EPS foam finished and ejecting the lower mold base 5. The operation is simple and convenient, and there is no need for manual material removal.
[0041] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.
[0042] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.
Claims
1. An EPS foam product mold with an ejection mechanism, comprising a workbench (1), wherein an upper mold base (4) is disposed at the upper end of the workbench (1), a lower mold base (5) is disposed on the surface of the workbench (1), a demoulding component (8) is disposed inside the lower mold base (5), and a cooling component (9) is disposed at the lower end of the lower mold base (5), characterized in that: The demoulding assembly (8) includes a movable groove (81) and a lifting block (85), wherein a limit groove (82) and a telescopic groove (83) are respectively provided inside the movable groove (81), a movable rod (86) is provided on the outside of the lifting block (85), and a spring (84) is provided at the lower end of the lifting block (85); The cooling assembly (9) comprises a cooling pool (91) and a cooling pipe (95); a water pump (92) is provided on one side of the cooling pool (91); a water inlet pipe (93) is provided on the upper end of the water pump (92); a connector (94) and a cooling pipe (95) are provided on one side of the water inlet pipe (93); and a water outlet pipe (96) is provided on the other side of the cooling pipe (95).
2. The EPS foam product mold with an ejection mechanism according to claim 1, characterized in that: Four groups of lifting cylinders (2) are installed through the four corners of the workbench (1); the tops of the lifting cylinders (2) are connected to an upper cover plate (3); the upper die seat (4) is fixed to the lower end of the upper cover plate (3) and vertically corresponds to the lower die seat (5).
3. The EPS foam product mold with an ejection mechanism according to claim 1, characterized in that: The spring (84) is located in the telescopic groove (83) and the upper end is connected to the bottom of the lifting block (85); the lifting block (85) is movably located in the movable groove (81) and the top extends to the upper end of the movable groove (81); the movable rod (86) is fixed to the side of the lifting block (85) and the movable rod (86) is movably located in the limiting groove (82).
4. The EPS foam product mold with an ejection mechanism according to claim 3, characterized in that: The telescopic slots (83) and springs (84) are each provided with four groups and are symmetrically located on the left and right sides of the movable slot (81); the movable rods (86) and limit slots (82) are each provided with two groups and are symmetrically located on the front and rear sides of the movable slot (81); the upper end of the movable rod (86) passes through the outside of the lower die base (5); and the top of the movable rod (86) is higher than the lifting block (85).
5. The EPS foam product mold with an ejection mechanism according to claim 2, characterized in that: Four groups of guide rods (6) are fixed on the workbench (1), and four groups of guide holes (7) are opened on the upper cover plate (3), and the guide holes (7) are connected and correspond to the guide rods (6).
6. The EPS foam product mold with an ejection mechanism according to claim 1, characterized in that: The cooling pool (91) is arranged directly below the workbench (1); the water pump (92) is connected to the cooling pipe (95) via a water inlet pipe (93) and a connector (94); the other end of the cooling pipe (95) is connected to the other side of the cooling pool (91) via a water outlet pipe (96).
7. The EPS foam product mold with an ejection mechanism according to claim 1, characterized in that: The lower die base (5) is provided with a mounting groove (97) inside, the cooling pipe (95) is passed through and fixed in the mounting groove (97), four groups of cooling pipes (95) are arranged longitudinally and the four groups of pipes are connected, and the mounting groove (97) matches the cooling pipe (95).