An EPS plastic foam mold

Abstract

The present invention discloses an EPS plastic foam mold, which relates to the technical field of EPS foaming and forming. It includes a main body mechanism. The main body mechanism includes a support frame. The inner wall of the support frame is fixedly connected with a lower mold. The inner wall of the support frame is fixedly connected with two hydraulic cylinders. The telescopic ends of the two hydraulic cylinders are jointly fixedly connected with an upper mold. The bottom surface of the upper mold is in contact with the upper surface of the lower mold. In this EPS plastic foam mold, by setting a separation unit, the adhesion surface between the EPS foamed product and the mold cavity wall can be effectively reduced, thereby reducing the adhesion force of the EPS foamed product inside the mold cavity wall, facilitating its demolding. During demolding, by reducing the contact surface with the EPS foamed product inside the mold, it is convenient for demolding. This not only facilitates manual demolding but also effectively increases the functionality inside the mold, and can avoid the problem of using external auxiliary tools manually to demold the plastic mold and increasing the production cycle of the EPS foamed product.

Description

Technical Field

[0001] The present invention relates to the technical field of EPS foam molding, and specifically to an EPS plastic foam mold. Background Art

[0002] EPS foam molding refers to the processing process of expanding polystyrene raw material particles into a lightweight foam material with a porous structure through methods such as heating and the action of a foaming agent. In this process, the polystyrene particles are under specific temperature and pressure conditions, and the foaming agent decomposes to generate gas, causing the particles to expand internally to form a closed-cell structure. After cooling and curing, an EPS foam product with a certain shape and size is finally formed in the mold. EPS plastic foam molds are divided into simple cavity molds suitable for simple shapes, multi-cavity molds that can produce multiple foam products simultaneously, and molds with a cooling system. When producing complex plastic foam models, a simple cavity mold is required to make the foam products, and after forming, the foam products are further processed by cutting equipment.

[0003] After the EPS foam product is foam-molded, it is necessary to manually remove the EPS foam product formed in the inner cavity of the mold. Due to the action of heating and pressure on the plastic foam inside the mold, the formed EPS foam product adheres to the mold cavity wall to a certain extent or has a relatively large pressure, resulting in inconvenient demolding of the EPS foam product. In the case of inconvenient demolding of the mold, it is necessary to manually use external tools to assist in demolding the EPS foam product formed in the mold. Demolding the plastic mold by manually using external auxiliary tools not only increases the production cycle of each EPS foam product but also makes it inconvenient for manual use of the mold, thereby reducing the demolding effect and the use effect of the mold. For this reason, we propose an EPS plastic foam mold.

[0004] Combining the above problems, we will find that the existing EPS plastic foam molds on the market are difficult to avoid the above-mentioned problems simultaneously during use. And even if they can be solved, they need to be solved in cooperation with external tools, thus unable to achieve the desired effect. Therefore, we propose an EPS plastic foam mold. Summary of the Invention

[0005] The purpose of the present invention is to provide an EPS plastic foam mold to solve the problems raised in the above background art.

[0006] To achieve the above object, the present invention provides the following technical solution: an EPS plastic foam mold, including a main body mechanism, the main body mechanism includes a support frame, the inner wall of the support frame is fixedly connected with a lower mold, the inner wall of the support frame is fixedly connected with two hydraulic cylinders, the telescopic ends of the two hydraulic cylinders are jointly fixedly connected with an upper mold, the bottom surface of the upper mold is in contact with the upper surface of the lower mold, and an efficient demolding mechanism is arranged inside the lower mold;

[0007] The efficient demolding mechanism includes a separation unit, the separation unit is located inside the lower mold, and the separation unit is used to reduce the contact surface of the lower mold;

[0008] The efficient demolding mechanism further includes a gas blowing unit, the gas blowing unit is located inside the separation unit, the gas blowing unit is used in cooperation with the separation unit, and the gas blowing unit is used to indirectly separate the foamed product;

[0009] A vibration replacement mechanism is arranged on the outer side of the separation unit, the vibration replacement mechanism is used in cooperation with the efficient demolding mechanism, and the vibration replacement mechanism is used to completely separate the foamed product.

[0010] Preferably, the separation unit includes four inner cavities, the inner wall of each inner cavity is provided with a sealing groove, a sealing shell is slidably connected inside each sealing groove, two electric telescopic rods are fixedly connected to the outer surface of each sealing shell, the outer surface of each electric telescopic rod is fixedly connected to the inner wall of the lower mold, two first micro electric push rods are fixedly connected to the inner wall of each sealing shell, the telescopic end of each first micro electric push rod is fixedly connected with a connecting block, an activity plate is arranged inside each sealing shell, the upper surface of each connecting block is fixedly connected with the bottom surface of the activity plate, a plurality of identical separation heads are fixedly connected to one side surface of each activity plate, a plurality of identical separation holes are opened on the inner wall of each lower mold, the initial state of the separation head and the separation hole belongs to a completely embedded state, each separation head is located outside the separation hole, a sealing pad is fixedly connected to the outer surface of each sealing shell, and a plurality of identical clamping grooves are opened on the outer surface of each activity plate.

[0011] Preferably, a rubber pad is fixedly connected to the outer surface of each sealing shell, and the outer surface of each rubber pad is in contact with the inner wall of the sealing groove.

[0012] Preferably, two stabilizing grooves are opened on the inner wall of each sealing shell, two stabilizing plates are fixedly connected to the outer surface of each activity plate, and the outer surface of each stabilizing plate is slidably connected to the inside of the stabilizing groove.

[0013] Preferably, the air blowing unit includes four air collecting shells. The outer surface of each air collecting shell is slidably connected to the inside of the closed shell. A number of identical air jet nozzles are fixedly communicated with the outer surface of each air collecting shell. Four air pumps are fixedly connected to the inner wall of each lower mold. The output end of each air pump is fixedly communicated with an air collecting pipe. One end of each air collecting pipe penetrates into the inside of the lower mold, and one end of each air collecting pipe is fixedly communicated with the outer surface of the air collecting shell. Four second micro electric push rods are fixedly connected to the outer surface of each air collecting shell. The outer surface of each second micro electric push rod is fixedly connected to the inner wall of the lower mold. A clamping plate is fixedly connected to the outer surface of each air jet nozzle. The outer surface of each clamping plate is slidably connected to the inside of the clamping groove.

[0014] Preferably, four protective nets are clamped inside the lower mold. Four self-tapping bolts are commonly threadedly connected to the inner walls of each protective net and the inner wall of the lower mold.

[0015] Preferably, a reinforcing ring is fixedly connected to the outer surface of each air collecting pipe. The outer surface of each reinforcing ring is fixedly connected to the outer surface of the air collecting shell.

[0016] Preferably, the vibration replacement mechanism includes a vibration enclosure. Eight mounting grooves are formed in the inner wall of the lower die. An installation plate is slidably connected to the inside of each mounting groove. The outer surface of each installation plate is fixedly connected to the outer surface of the vibration enclosure. An EVA shock pad is fixedly connected to the outer surface of the vibration enclosure. The outer surface of the EVA shock pad is in contact with the inner wall of the lower die. A first rubber shock pad is fixedly connected to the outer surface of each installation plate. The outer surface of each first rubber shock pad is in contact with the inner wall of the mounting groove. A limiting top plate is clamped inside the lower die. A second rubber shock pad is fixedly connected to the bottom surface of the limiting top plate. The bottom surface of the second rubber shock pad is in contact with the upper surface of the vibration enclosure and the upper surfaces of the eight installation plates respectively. Four fixing bolts are commonly threadedly connected to the inner walls of the limiting top plate and the lower die. Through holes are formed in the outer surface of the EVA shock pad. A telescopic hole is formed in the inner wall of the lower die. Two reset chutes are formed in the inner wall of the telescopic hole. A reset spring is fixedly connected to the inner wall of each reset chute. A connecting plate is slidably connected to the inside of each reset chute. The outer surface of each connecting plate is fixedly connected to one end of the reset spring. A telescopic shaft is fixedly connected to the side surfaces of the two connecting plates close to each other. The outer surface of the telescopic shaft is slidably connected to the inside of the telescopic hole. An impact head is fixedly connected to one end of the telescopic shaft. The outer surface of the impact head is slidably connected to the inside of the through hole. A fixing disk is fixedly connected to the other end of the telescopic shaft. A micro motor is fixedly connected to the inner wall of the lower die. A transmission shaft is fixedly connected to the output end of the micro motor. A rotating disk is fixedly connected to the top end of the transmission shaft. Three extension shafts are fixedly connected to the outer surface of the rotating disk. The outer surface of one of the extension shafts is in contact with the inner wall of the fixing disk.

[0017] Preferably, an isolation net is fixedly connected to the inner wall of the lower die. Two rotating grooves are formed in the inner wall of the lower die. Three lower arc plates and three upper arc plates are respectively slidably connected to the inside of the two rotating grooves. The side surfaces of the three lower arc plates and the three upper arc plates close to each other are fixedly connected to the upper surface and the bottom surface of the rotating disk respectively.

[0018] Preferably, a bearing is fixedly connected to the upper surface of the rotating disk. The inner ring of the bearing is fixedly connected to a stabilizing shaft. The top end of the stabilizing shaft is fixedly connected to the inner wall of the lower die.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] By setting a separation unit, the present invention can effectively reduce the adhesion surface between the EPS foam product and the mold cavity wall, thereby reducing the adhesion force of the EPS foam product inside the mold cavity wall, facilitating its demolding. When demolding, by reducing the contact surface with the EPS foam product inside the mold, it is convenient for demolding. This not only facilitates manual demolding but also effectively increases the functionality inside the mold and improves the overall use effect of the mold, and can avoid the problem of using external auxiliary tools manually to demold the plastic mold, which is time-consuming and laborious and increases the production cycle of the EPS foam product.

[0021] By setting a gas blowing unit, the present invention can further reduce the contact surface of the EPS foam product by blowing while reducing the contact surface between the EPS foam product and the mold through the separation unit, making the separation effect between the EPS foam product and the mold better. After being separated by the separation unit, the separation unit and the sealing groove form a sealed cavity, and external gas is directly filled into the entire sealed cavity through the gas blowing unit. Through the pressure inside it, the gas acts on the surface of the EPS foam product through the separation holes, reducing its adhesion surface and achieving the effect of further demolding.

[0022] By setting a vibration replacement mechanism, the present invention can cooperate with the separation unit and the gas blowing unit to effectively demold the EPS foam product completely and further achieve the demolding effect. On the basis of the gas blowing unit, through the vibration replacement mechanism, the contact surface between the auxiliary EPS foam product and the mold is further reduced. By vibrating, the adhesion area between the EPS foam product and the inner wall of the mold is further reduced, effectively assisting the staff to demold and take out the EPS foam product. On the basis of reducing the contact area of the EPS foam product by vibration, the inner wall of the lower mold can also be replaced to ensure the smoothness of its inner wall, improve the demolding effect, and effectively use the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 is a schematic diagram of the structure of the lower mold of the present invention;

[0025] Figure 3 is a schematic diagram of the structure of the separation hole of the present invention;

[0026] Figure 4 is a schematic diagram of the structure of the vibration enclosure of the present invention;

[0027] Figure 5 is a schematic diagram of the structure of the second rubber shock pad of the present invention;

[0028] Figure 6 is a schematic cross-sectional view of the lower mold of the present invention;

[0029] Figure 7 Schematic structural diagram of the air collecting housing of the present invention;

[0030] Figure 8 Schematic cross-sectional structural diagram of the closed housing of the present invention;

[0031] Figure 9 Schematic cross-sectional structural diagram of the air collecting housing of the present invention;

[0032] Figure 10 Schematic structural diagram of the first micro-electric push rod of the present invention;

[0033] Figure 11 Schematic structural diagram of the inner cavity of the present invention;

[0034] Figure 12 Schematic cross-sectional structural diagram of the rotating disc of the present invention.

[0035] In the figure: 1. Main body mechanism; 11. Support frame; 12. Hydraulic cylinder; 13. Upper mold; 14. Lower mold; 2. High-efficiency demolding mechanism; 21. Separation unit; 2101. Electric telescopic rod; 2102. Rubber pad; 2103. Closed housing; 2104. Separation head; 2105. Sealing pad; 2106. Sealing groove; 2107. Stabilizing plate; 2108. Movable plate; 2109. Connecting block; 2110. First micro-electric push rod; 2111. Card slot; 2112. Stable groove; 2113. Inner cavity; 2114. Separation hole; 22. Air blowing unit; 2201. Second micro-electric push rod; 2202. Self-tapping bolt; 2203. Protective net; 2204. Air pump; 2205. Air collecting housing; 2206. Air collecting pipe; 2207. Reinforcing ring; 2208. Card board; 2209. Jet head; 3. Vibration replacement mechanism; 301. Vibration enclosure; 302. Limit top plate; 303. Installation groove; 304. Micro motor; 305. Rotating groove; 306. Lower arc plate; 307. Extension shaft; 308. Rotating disc; 309. First rubber shock pad; 310. Installation plate; 311. EVA shock pad; 312. Through hole; 313. Fixed bolt; 314. Second rubber shock pad; 315. Expansion hole; 316. Reset chute; 317. Reset spring; 318. Impact head; 319. Expansion shaft; 320. Connecting plate; 321. Fixed disc; 322. Upper arc plate; 323. Stabilizing shaft; 324. Bearing; 325. Transmission shaft; 326. Isolation net. Detailed implementation manners

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0037] Please refer to Figures 1-12 , the present invention provides a technical solution: an EPS plastic foam mold, including a main body mechanism 1. The main body mechanism 1 includes a support frame 11. The inner wall of the support frame 11 is fixedly connected with a lower mold 14. The inner wall of the support frame 11 is fixedly connected with two hydraulic cylinders 12. The telescopic ends of the two hydraulic cylinders 12 are fixedly connected with an upper mold 13. The bottom surface of the upper mold 13 is in contact with the upper surface of the lower mold 14. An efficient demolding mechanism 2 is arranged inside the lower mold 14;

[0038] The efficient demolding mechanism 2 includes a separation unit 21. The separation unit 21 is located inside the lower mold 14. The separation unit 21 is used to reduce the contact surface of the lower mold 14.

[0039] As a further limitation of the high-efficiency demoulding mechanism 2 of the present invention, the separation unit 21 includes four inner cavities 2113. The inner wall of each inner cavity 2113 is provided with a sealing groove 2106. A sealing shell 2103 is slidably connected inside each sealing groove 2106. Two electric telescopic rods 2101 are fixedly connected to the outer surface of each sealing shell 2103. The outer surface of each electric telescopic rod 2101 is fixedly connected to the inner wall of the lower mold 14. Two first micro-electric push rods 2110 are fixedly connected to the inner wall of each sealing shell 2103. A connecting block 2109 is fixedly connected to the telescopic end of each first micro-electric push rod 2110. A movable plate 2108 is arranged inside each sealing shell 2103. The upper surface of each connecting block 2109 is fixedly connected to the bottom surface of the movable plate 2108. A plurality of identical separation heads 2104 are fixedly connected to one side surface of each movable plate 2108. A plurality of identical separation holes 2114 are provided in the inner wall of each lower mold 14. Each separation head 2104 is located outside the separation hole 2114. The initial state of the separation head 2104 and the separation hole 2114 belongs to a completely fitted state. A sealing pad 2105 is fixedly connected to the outer surface of each sealing shell 2103. A plurality of identical card slots 2111 are provided on the outer surface of each movable plate 2108. By providing the separation unit 21, the adhesion surface between the EPS foam product and the mold cavity wall can be effectively reduced, thereby reducing the adhesion force of the EPS foam product inside the mold cavity wall, facilitating its demoulding. When demoulding, the contact surface with the EPS foam product is reduced inside the mold to facilitate its demoulding. This not only facilitates manual demoulding but also effectively increases the functionality inside the mold and improves the overall use effect of the mold. It can avoid the problem of using external auxiliary tools manually to demould the plastic mold, which is time-consuming and laborious and increases the production cycle of the EPS foam product;

[0040] A rubber pad 2102 is fixedly connected to the outer surface of each sealing shell 2103. The outer surface of each rubber pad 2102 is in contact with the inner wall of the sealing groove 2106. Through the rubber pad 2102, the buffer on the surface of the sealing shell 2103 can be increased to prevent damage caused by vibration;

[0041] Two stable grooves 2112 are provided in the inner wall of each sealing shell 2103. Two stable plates 2107 are fixedly connected to the outer surface of each movable plate 2108. The outer surface of each stable plate 2107 is slidably connected to the inside of the stable groove 2112. Through the stable groove 2112 and the stable plate 2107, the sliding stability of the movable plate 2108 can be increased to prevent deviation and instability;

[0042] The specific implementation method of this embodiment is as follows: first, the hydraulic cylinder 12, the electric telescopic rod 2101 and the first micro electric push rod 2110 are started by an external power supply. When the EPS plastic foam needs to be processed, during processing, the initial state of the separation head 2104 and the separation hole 2114 is in a completely embedded state, and the EPS plastic foam is directly placed in the lower mold 14, and then the upper mold 13 is driven by the hydraulic cylinder 12 to seal the lower mold 14. When the EPS plastic foam needs to be taken out and demolded, the upper mold 13 is directly driven upward by the hydraulic cylinder 12 to move, which is convenient for manual demolding. If the EPS foam product is not convenient to demold, the electric telescopic rod 2101 is directly used to drive the sealing shell 2103 in the sealing groove 2106. The sealing shell 2103 drives the separation head 2104 to separate from the separation hole 2114 through the movable plate 2108. When the sealing shell 2103 contacts the sealing groove 2106 through the rubber pad 2102, the separation head 2104 separates from the separation hole 2114 and is inside the sealing groove 2106. At this time, the separation head 2104 separates from the inner wall of the mold, which can effectively reduce the contact area between the EPS foamed product and the cavity wall, thereby facilitating the staff to demould the EPS foamed product. The first micro electric push rod 2110 is then used to drive the movable plate 2108 to move downward through the connecting block 2109. The movable plate 2108 stops after contacting the inner wall of the stabilizing groove 2112 through the stabilizing plate 2107, thereby facilitating the use of the high-efficiency demoulding mechanism 2. Example

[0043] See also Figures 1-12 The present invention provides a technical solution: an EPS plastic foam mold. The present invention makes corresponding improvements to the technical problems mentioned in the background technology.

[0044] As a further limitation of the efficient demoulding mechanism 2 of the present invention, the efficient demoulding mechanism 2 further includes an air blowing unit 22, which is located on the inner side of the separation unit 21, and the air blowing unit 22 is used in conjunction with the separation unit 21, and the air blowing unit 22 is used to indirectly separate the foamed product;

[0045] The air blowing unit 22 includes four air collecting shells 2205. The outer surface of each air collecting shell 2205 is slidably connected to the inside of the closed shell 2103. A number of identical air jet nozzles 2209 are fixedly communicated with the outer surface of each air collecting shell 2205. Four air pumps 2204 are fixedly connected to the inner wall of each lower mold 14. The output end of each air pump 2204 is fixedly communicated with an air collecting pipe 2206. One end of each air collecting pipe 2206 penetrates into the inside of the lower mold 14. One end of each air collecting pipe 2206 is fixedly communicated with the outer surface of the air collecting shell 2205. Four second micro electric push rods 2201 are fixedly connected to the outer surface of each air collecting shell 2205. The outer surface of each second micro electric push rod 2201 is fixedly connected to the inner wall of the lower mold 14. A clamping plate 2208 is fixedly connected to the outer surface of each air jet nozzle 2209. The outer surface of each clamping plate 2208 is slidably connected to the inside of the clamping groove 2111. By providing the air blowing unit 22, while reducing the contact surface between the EPS foam product and the lower mold 14 through the separating unit 21, the contact surface of the EPS foam product can be further reduced by blowing air, making the separation effect of the EPS foam product from the mold better. After the separating unit 21 separates, the separating unit 21 and the sealing groove 2106 form a sealed cavity. The external gas is directly filled into the entire sealed cavity through the air blowing unit 22. The gas acts on the surface of the EPS foam product through the separation hole 2114 by the pressure inside it, reducing its adhesion surface and achieving the effect of further demoulding;

[0046] Four protective nets 2203 are clamped inside the lower mold 14. Four self-tapping bolts 2202 are commonly threadedly connected between the inner wall of each protective net 2203 and the inner wall of the lower mold 14. Through the protective net 2203 and the self-tapping bolts 2202, the air pump 2204 can be conveniently protected and isolated, reducing potential safety hazards;

[0047] A reinforcing ring 2207 is fixedly connected to the outer surface of each air collecting pipe 2206. The outer surface of each reinforcing ring 2207 is fixedly connected to the outer surface of the air collecting shell 2205. Through the reinforcing ring 2207, the connection of the connecting end of the air collecting pipe 2206 can be increased, preventing the occurrence of detachment.

[0048] The specific implementation of this embodiment is as follows: Start the second micro electric push rod 2201 and the air pump 2204 through an external power supply. When the movable plate 2108 moves downward inside the closed shell 2103, the card slot 2111 on the rear side of the movable plate 2108 can slide on the surface of the card plate 2208, and the stability of the air jet head 2209 is ensured through the card plate 2208. At this time, the air jet head 2209 is located inside the sealing groove 2106, that is, inside the closed space formed by the closed shell 2103 and the sealing groove 2106. At this time, directly use the second micro electric push rod 2201 to push the air collecting shell 2205, and the air collecting shell 2205 can slide inside the closed shell 2103 and stop when the inner wall of the air collecting shell 2205 contacts the surface of the closed shell 2103. At this time, the air jet head 2209 is closer to the separation hole 2114 through the movement of the air collecting shell 2205. Then, directly extract external air through the air pump 2204, discharge the air into the air collecting shell 2205 through the air collecting pipe 2206, and finally eject it through the air jet head 2209. Since the distance between the air jet head 2209 and the separation hole 2114 is relatively short, the gas ejected by the air jet head 2209 directly acts on the surface of the EPS foam product, and the contact area between the EPS foam product and the inner wall of the mold is reduced by the ejected gas. As more gas stays in the closed space formed by the closed shell 2103 and the sealing groove 2106, the air inside the closed space will also be directly pressured to extrude the EPS foam product through the separation hole 2114, further reducing the adhesion area of the EPS foam product, further facilitating the manual demolding of the EPS foam product, and increasing the demolding effect. Embodiment

[0049] Please refer to Figures 1-12 , the present invention provides a technical solution: an EPS plastic foam mold, and the present invention makes corresponding improvements to the technical problems mentioned in the background art.

[0050] As a further limitation of the high-efficiency demolding mechanism 2 of the present invention, a vibration replacement mechanism 3 is provided outside the separation unit 21. The vibration replacement mechanism 3 is used in cooperation with the high-efficiency demolding mechanism 2, and the vibration replacement mechanism 3 is used to completely separate the foam product;

[0051] The vibration replacement mechanism 3 includes a vibration enclosure 301. Eight mounting grooves 303 are formed in the inner wall of the lower mold 14. An installation plate 310 is slidably connected to the inside of each mounting groove 303. The outer surface of each installation plate 310 is fixedly connected to the outer surface of the vibration enclosure 301. An EVA shock pad 311 is fixedly connected to the outer surface of the vibration enclosure 301. The outer surface of the EVA shock pad 311 is in contact with the inner wall of the lower mold 14. A first rubber shock pad 309 is fixedly connected to the outer surface of each installation plate 310. The outer surface of each first rubber shock pad 309 is in contact with the inner wall of the mounting groove 303. A limit top plate 302 is snap-connected to the inside of the lower mold 14. A second rubber shock pad 314 is fixedly connected to the bottom surface of the limit top plate 302. The bottom surface of the second rubber shock pad 314 is in contact with the upper surface of the vibration enclosure 301 and the upper surfaces of the eight installation plates 310 respectively. Four fixing bolts 313 are commonly threadedly connected to the inner walls of the limit top plate 302 and the lower mold 14. Through holes 312 are formed in the outer surface of the EVA shock pad 311. Expansion holes 315 are formed in the inner wall of the lower mold 14. Two reset chutes 316 are formed in the inner wall of each expansion hole 315. A reset spring 317 is fixedly connected to the inner wall of each reset chute 316. A connecting plate 320 is slidably connected to the inside of each reset chute 316. The outer surface of each connecting plate 320 is fixedly connected to one end of the reset spring 317. A connecting side of the two connecting plates 320 is commonly fixedly connected to an expansion shaft 319. The outer surface of the expansion shaft 319 is slidably connected to the inside of the expansion hole 315. One end of the expansion shaft 319 is fixedly connected to an impact head 318. The outer surface of the impact head 318 is slidably connected to the inside of the through hole 312. The other end of the expansion shaft 319 is fixedly connected to a fixing disk 321. A micro motor 304 is fixedly connected to the inner wall of the lower mold 14. The output end of the micro motor 304 is fixedly connected to a transmission shaft 325. The top end of the transmission shaft 325 is fixedly connected to a rotating disk 308. Three extension shafts 307 are fixedly connected to the outer surface of the rotating disk 308. The outer surface of one of the extension shafts 307 is in contact with the inner wall of the fixing disk 321. By providing the vibration replacement mechanism 3, it can cooperate with the separation unit 21 and the air blowing unit 22 to effectively demold the EPS foam products completely, further achieving the demolding effect. On the basis of the air blowing unit 22, through the vibration replacement mechanism 3, the contact surface between the auxiliary EPS foam products and the mold is further reduced. By vibrating, the contact surface between the two is reduced, effectively assisting the staff to demold and take out the EPS foam products. On the basis of vibrating to reduce the contact area of the EPS foam products, the inner wall of the lower mold 14 can also be replaced to ensure the smoothness of its inner wall, improve the demolding effect, and effectively use the mold;

[0052] The inner wall of the lower die 14 is fixedly connected with a separation net 326. Two rotating grooves 305 are formed in the inner wall of the lower die 14. Three lower arc plates 306 and three upper arc plates 322 are respectively slidably connected to the interiors of the two rotating grooves 305. One side surfaces of the three lower arc plates 306 and the three upper arc plates 322, which are close to each other, are respectively fixedly connected to the upper surface and the bottom surface of the rotating disk 308. Through the rotating grooves 305, the lower arc plates 306 and the upper arc plates 322, the micro motor 304 can be effectively assisted to ensure the stability of the rotation of the rotating disk 308, increase the balance effect and prevent deviation.

[0053] The upper surface of the rotating disk 308 is fixedly connected with a bearing 324. The inner ring of the bearing 324 is fixedly connected with a stabilizing shaft 323. The top end of the stabilizing shaft 323 is fixedly connected with the inner wall of the lower die 14. Through the bearing 324 and the stabilizing shaft 323, the rotation structure can be increased to further enhance the stability of the rotating disk 308 during rotation and effectively increase the vibration effect.

[0054] The specific implementation of this embodiment is as follows: Start the micro motor 304 through an external power supply. When further demolding is required on the basis of the high-efficiency demolding mechanism 2, since the vibration baffle 301 is located inside the lower mold 14 and is part of the lower mold 14, and the replacement cycle of the vibration baffle 301 is relatively long, the separating head 2104 can pass through the separation hole 2114 to fill the holes on the vibration baffle 301. Therefore, the initial state of the separating head 2104 is also in a completely fitted state with the inner wall of the vibration baffle 301. Directly use the rotation of the micro motor 304. The micro motor 304 can drive the rotating disk 308 to rotate through the transmission shaft 325. The rotating disk 308 can rotate on the stable shaft 323 through the bearing 324. The rotating disk 308 directly drives the extension shaft 307 to rotate. When the extension shaft 307 contacts the fixed disk 321, the extension shaft 307 can directly push the fixed disk 321, so that the fixed disk 321 can be advanced in the direction of the lower mold 14. The fixed disk 321 can directly drive the impact head 318 into the through hole 312 through the telescopic shaft 319 to contact the vibration baffle 301. The telescopic shaft 319 can drive the connecting plate 320 to slide inside the reset chute 316. At the same time, during the sliding process, the connecting plate 320 directly stretches the reset spring 317. When the extension shaft 307 disengages from the fixed disk 321, the reset spring 317 can directly drive the connecting plate 320 to reset. The connecting plate 320 then drives the fixed disk 321 to reset through the telescopic shaft 319. Through the cyclic rotation of the extension shaft 307, the impact head 318 can continuously impact the vibration baffle 301, causing the vibration baffle 301 to rotate. Through the vibration generated by the vibration baffle 301, the contact area and adhesion between the surface of the EPS foam product and the vibration baffle 301 can be effectively reduced further, facilitating manual demolding. The vibration of the vibration baffle 301 will directly drive the mounting plate 310 to vibrate. During the vibration process of the vibration baffle 301, the EVA shock pad 311 reduces the friction between the vibration baffle 301 and the inner wall of the lower mold 14, effectively buffering the generated vibration force, and avoiding the situation that the service life of the vibration baffle 301 and the inner wall of the lower mold 14 is easily reduced due to friction during vibration. While not affecting the vibration demolding of the EPS foam product, the service life is effectively increased. At the same time, the mounting plate 310 is buffered inside the installation groove 303 through the outer first rubber shock pad 309, effectively reducing the friction between the mounting plate 310 and the installation groove 303 and protecting the mounting plate 310. The second rubber shock pad 314 can buffer the vibration baffle 301 and the upper surface of the mounting plate 310, reducing the wear caused by vibration, increasing the use effect and demolding efficiency of the mold. If the inner wall of the vibration baffle 301 is uneven, it can be directly disassembled and replaced to ensure the smoothness of the inner wall of the vibration baffle 301 and prevent the situation that demolding is affected due to the uneven inner wall of the vibration baffle 301. When the vibration baffle 301 needs to be replaced, directly open the fixing bolt 313,Take out the limit top plate 302, which can be taken out through the holes on the vibrating baffle 301. The vibrating baffle 301 slides upward inside the installation groove 303 through the installation plate 310, so that the vibrating baffle 301 is separated from the lower mold 14. After installation, it can be installed through the above disassembly steps, which is convenient for replacing the vibrating baffle 301 and further improves the demolding effect.

[0055] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0056] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EPS plastic foam mold, comprising a main body (1), characterized in that: The main body mechanism (1) comprises a support frame (11), the inner wall of the support frame (11) is fixedly connected to a lower mold (14), the inner wall of the support frame (11) is fixedly connected to two hydraulic cylinders (12), the telescopic ends of the two hydraulic cylinders (12) are commonly fixedly connected to an upper mold (13), the bottom surface of the upper mold (13) is in contact with the upper surface of the lower mold (14), and the interior of the lower mold (14) is provided with a high-efficiency demoulding mechanism (2); The efficient demoulding mechanism (2) comprises a separation unit (21), wherein the separation unit (21) is located inside the lower mold (14), and the separation unit (21) is used to reduce the contact surface between the EPS foamed product and the lower mold; The high-efficiency demoulding mechanism (2) further comprises an air blowing unit (22), wherein the air blowing unit (22) is located on the inner side of the separation unit (21), and the air blowing unit (22) is used in conjunction with the separation unit (21), and the air blowing unit (22) is used to allow gas to act on the surface of the EPS foamed product through the separation holes; A vibration replacement mechanism (3) is arranged on the outer side of the separation unit (21), and the vibration replacement mechanism (3) is used in conjunction with the high-efficiency demoulding mechanism (2). The vibration replacement mechanism (3) is used to completely separate the foamed product; The separation unit (21) comprises four inner cavities (2113), the inner wall of each inner cavity (2113) is provided with a sealing groove (2106), the interior of each sealing groove (2106) is slidably connected to a closed shell (2103), the outer surface of each closed shell (2103) is fixedly connected to two electric telescopic rods (2101), the outer surface of each electric telescopic rod (2101) is fixedly connected to the inner wall of the lower mold (14), the inner wall of each closed shell (2103) is fixedly connected to two first micro electric push rods (2110), the telescopic end of each first micro electric push rod (2110) is fixedly connected to a connecting block (2109), and the interior of each closed shell (2103) is provided with A movable plate (2108), the upper surface of each of the connecting blocks (2109) is fixedly connected to the bottom surface of the movable plate (2108), a side surface of each of the movable plates (2108) is fixedly connected to a plurality of identical separation heads (2104), the inner wall of each of the lower molds (14) is provided with a plurality of identical separation holes (2114), each of the separation heads (2104) is located outside the separation hole (2114), the initial state of the separation heads (2104) and the separation holes (2114) is a completely fitted state, the outer surface of each of the closed shells (2103) is fixedly connected to a sealing gasket (2105), and the outer surface of each of the movable plates (2108) is provided with a plurality of identical card slots (2111); The air blowing unit (22) comprises four air collecting shells (2205), the outer surface of each air collecting shell (2205) is slidably connected to the inside of the closed shell (2103), the outer surface of each air collecting shell (2205) is fixedly connected to a plurality of identical air jet heads (2209), the inner wall of each lower mold (14) is fixedly connected to four air pumps (2204), the output end of each air pump (2204) is fixedly connected to an air collecting pipe (2206), and one end of each air collecting pipe (2206) passes through the lower mold ( 14), one end of each of the gas collecting pipes (2206) is fixedly connected to the outer surface of the gas collecting shell (2205), the outer surface of each of the gas collecting shells (2205) is fixedly connected to four second micro electric push rods (2201), the outer surface of each of the second micro electric push rods (2201) is fixedly connected to the inner wall of the lower mold (14), the outer surface of each of the nozzles (2209) is fixedly connected to a clamping plate (2208), and the outer surface of each of the clamping plates (2208) is slidably connected to the inside of the clamping slot (2111); The vibration replacement mechanism (3) comprises a vibration enclosure (301), the inner wall of the lower mold (14) is provided with eight mounting grooves (303), the interior of each mounting groove (303) is slidably connected to a mounting plate (310), the outer surface of each mounting plate (310) is fixedly connected to the outer surface of the vibration enclosure (301), the outer surface of the vibration enclosure (301) is fixedly connected to an EVA shock absorbing pad (311), the outer surface of the EVA shock absorbing pad (311) is in contact with the inner wall of the lower mold (14), the outer surface of each mounting plate (310) is fixedly connected to a first rubber shock absorbing pad (309), and each of the first The outer surfaces of the rubber shock-absorbing pads (309) are in contact with the inner walls of the mounting grooves (303); the lower mold (14) is internally clamped with a limiting top plate (302); the bottom surface of the limiting top plate (302) is fixedly connected with a second rubber shock-absorbing pad (314); the bottom surfaces of the second rubber shock-absorbing pads (314) are respectively in contact with the upper surfaces of the vibration enclosure plate (301) and the upper surfaces of the eight mounting plates (310); the inner wall of the limiting top plate (302) and the inner wall of the lower mold (14) are threadedly connected with four fixing bolts (313); the outer surface of the EVA shock-absorbing pad (311) is provided with a through hole (312); the lower mold (14) The inner wall is provided with a telescopic hole (315), and the inner wall of the telescopic hole (315) is provided with two reset slide grooves (316). The inner wall of each reset slide groove (316) is fixedly connected with a reset spring (317). The interior of each reset slide groove (316) is slidably connected with a connecting plate (320). The outer surface of each connecting plate (320) is fixedly connected to one end of the reset spring (317). The side surfaces of the two connecting plates (320) close to each other are fixedly connected with a telescopic shaft (319). The outer surface of the telescopic shaft (319) is slidably connected to the interior of the telescopic hole (315). The end of the lower mold (14) is fixedly connected to an impact head (318), the outer surface of the impact head (318) is slidably connected to the inside of the through hole (312), the other end of the telescopic shaft (319) is fixedly connected to a fixed disk (321), the inner wall of the lower mold (14) is fixedly connected to a micro motor (304), the output end of the micro motor (304) is fixedly connected to a transmission shaft (325), the top end of the transmission shaft (325) is fixedly connected to a rotating disk (308), and the outer surface of the rotating disk (308) is fixedly connected to three extension shafts (307), the outer surface of one of the extension shafts (307) is in contact with the inner wall of the fixed disk (321).

2. The EPS plastic foam mold according to claim 1, characterized in that: The outer surface of each of the sealing shells (2103) is fixedly connected to a rubber pad (2102), and the outer surface of each of the rubber pads (2102) is in contact with the inner wall of the sealing groove (2106).

3. The EPS plastic foam mold according to claim 1, characterized in that: The inner wall of each of the closed shells (2103) is provided with two stabilizing grooves (2112), the outer surface of each of the movable plates (2108) is fixedly connected to two stabilizing plates (2107), and the outer surface of each of the stabilizing plates (2107) is slidably connected to the inside of the stabilizing grooves (2112).

4. The EPS plastic foam mold according to claim 1, characterized in that: Four protective nets (2203) are clamped inside the lower mold (14), and the inner wall of each protective net (2203) is threadedly connected to the inner wall of the lower mold (14) by four self-tapping bolts (2202).

5. The EPS plastic foam mold according to claim 1, characterized in that: The outer surface of each gas collecting pipe (2206) is fixedly connected to a reinforcement ring (2207), and the outer surface of each reinforcement ring (2207) is fixedly connected to the outer surface of the gas collecting shell (2205).

6. The EPS plastic foam mold according to claim 1, characterized in that: The inner wall of the lower mold (14) is fixedly connected with an isolation net (326), and the inner wall of the lower mold (14) is provided with two rotation grooves (305), and three lower arc plates (306) and three upper arc plates (322) are slidably connected inside the two rotation grooves (305), and the side surfaces of the three lower arc plates (306) and the three upper arc plates (322) close to each other are fixedly connected to the upper surface and the bottom surface of the rotating disk (308) respectively.

7. The EPS plastic foam mold according to claim 1, characterized in that: A bearing (324) is fixedly connected to the upper surface of the rotating disk (308), a stabilizing shaft (323) is fixedly connected to the inner ring of the bearing (324), and a top end of the stabilizing shaft (323) is fixedly connected to the inner wall of the lower mold (14).

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