An EPP trunk storage box forming and processing device

Abstract

The present invention relates to the field of trunk storage box processing, specifically to an EPP trunk storage box forming and processing device, comprising a support frame and two pairs of guide rods symmetrically fixedly connected to the front and rear sides of the support frame, a concave mold located on the left side of the two pairs of guide rods is fixedly installed on the support frame, a convex mold is slidably installed between the front and rear two pairs of guide rods, and a hydraulic telescopic cylinder 1 for pushing the convex mold to move left and right is installed on the support frame. The present invention cools the storage box through the linkage cooperation of the convex mold, a cooling mechanism 1 and a cooling mechanism 2. When the convex mold moves to the right for demoulding, an air outlet 1 on the surface of the convex mold can blow air to cool the inner side of the storage box. In the process of pushing the storage box out of the concave mold, the hollow frame body blows air to cool the surroundings of the storage box in time, and after the storage box is completely pushed out of the concave mold, the hollow plate is used to blow air to cool the left side of the storage box, so that the storage box is fully and quickly cooled during the demoulding process.

Description

Technical Field

[0001] This invention relates to the field of trunk storage box processing technology, specifically to an EPP trunk storage box forming device. Background Technology

[0002] EPP is a lightweight foam plastic with good cushioning, heat insulation, and water resistance. EPP products are widely used in automotive parts, packaging materials, and sporting goods. For example, EPP storage boxes in car trunks (such as...) Figure 11 As shown, it is made by injection molding. When producing the EPP trunk storage box, the EPP granules are heated to a softened state and injected into the mold. It is then shaped under certain temperature and pressure, cooled and solidified, and finally demolded to remove the formed EPP trunk storage box.

[0003] However, the above-mentioned EPP trunk storage box molding process still has the following shortcomings: 1. The EPP trunk storage box is shaped only by the cooling of the mold itself, which is slow. The EPP trunk storage box needs to be placed in the mold for a certain period of time, which affects the production efficiency of the EPP trunk storage box; 2. When demolding, the EPP trunk storage box is not completely cooled. It is necessary to place the demolded EPP trunk storage box for a period of time to allow it to cool completely, which further prolongs the production time of the EPP trunk storage box and affects the production efficiency of the EPP trunk storage box. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides an EPP trunk storage box forming device, comprising a support frame and two pairs of guide rods symmetrically and fixedly connected to the front and rear sides of the support frame. A concave mold located on the left side of the two pairs of guide rods is fixedly installed on the support frame, and a convex mold is slidably installed between the front and rear pairs of guide rods. A hydraulic telescopic cylinder is installed on the support frame to push the convex mold to move left and right. A gantry frame is fixedly installed on the top of the support frame, and a cooling mechanism and a cooling mechanism located between the convex mold and the concave mold are installed on the gantry frame.

[0005] The punch has a pre-reserved ventilation cavity inside, and a second water-cooling cavity is opened inside the punch. Several air outlet holes are opened on the outer wall of the punch in a matrix distribution. A sealing block is slidably installed inside the air outlet hole along its axial direction. A moving mechanism for driving the sealing block to slide is installed on the punch.

[0006] The cooling mechanism includes a hollow frame disposed between the die and the punch, and a vertical moving assembly is installed on the gantry to drive the hollow frame to move up and down. A pushing assembly is installed on the left side of the hollow frame.

[0007] The second cooling mechanism includes a hollow plate disposed on the left side of the hollow frame, and a plurality of air outlet holes arranged in a matrix on the right side of the hollow plate. The gantry is equipped with a second up-and-down moving component that drives the hollow plate to move up and down.

[0008] In one possible implementation, the moving mechanism includes a support frame fixedly installed in the ventilation cavity. A movable rod is slidably mounted on the left side of the support frame. A support plate is fixedly connected to the left end of the movable rod. The left side of the support plate is fixedly connected to a corresponding sealing block. A drive motor is installed on the right side of the ventilation cavity. A lead screw is fixedly installed on the left side of the output shaft of the drive motor. The lead screw is threaded into the interior of the movable rod.

[0009] In one possible implementation, movable rods two are slidably mounted on the top, bottom, front, and rear sides of the support frame in a direction perpendicular to its surface. A support plate two is fixedly connected to the end of the movable rod two away from the support frame. The side of the support plate two away from the movable rod two is fixedly connected to a corresponding sealing block. A turntable is fixedly connected to the lead screw. The turntable has several circumferentially evenly distributed arc-shaped through slots inside. A sliding rod is rotatably connected to the end of the movable rod two near the turntable. The sliding rod is slidably installed inside the corresponding arc-shaped through slot.

[0010] In one possible implementation, limit blocks are fixedly installed on the front and rear inner walls of the hollow frame. The limit blocks slide in conjunction with the grooves integrally formed on the front and rear sides of the storage box. Two air outlet holes are evenly opened on the inner wall of the hollow frame in the circumferential direction.

[0011] In one possible implementation, the vertical moving assembly includes a first rack symmetrically fixedly mounted on the top of the hollow frame. The first rack is slidably mounted on the right side of the gantry frame. A first rotating shaft located to the right of the first rack is rotatably mounted on the right side of the gantry frame. A first gear symmetrically distributed front and rear is fixedly mounted on the first rotating shaft, and the first gear meshes with the corresponding first rack. A second rotating shaft located above the punch is mounted on the support frame. The first rotating shaft and the second rotating shaft are connected by a pulley assembly. A second gear is coaxially fixedly connected to the second rotating shaft. A second rack located below the second gear is fixedly connected to the top of the punch, and the second rack meshes with the second gear. A guide groove is installed on the support frame at a position corresponding to the second rack, and the second rack is slidably mounted on the guide groove.

[0012] In one possible implementation, the pushing assembly includes two mounting blocks fixedly connected to the left side of the hollow frame and symmetrically distributed front and back. A third rotating shaft is rotatably connected between the two mounting blocks. A spiral spring is fixedly connected between the outer wall of the third rotating shaft and the inner wall of the mounting block. Two pushing rods symmetrically distributed front and back and a third gear located between the two pushing rods are fixedly connected to the third rotating shaft. A third rack located to the left of the third gear is fixedly connected to the top of the hollow plate. The third rack meshes with the third gear.

[0013] In one possible implementation, the second vertical moving assembly includes a second electric push rod fixedly mounted on the gantry frame. The bottom of the telescopic shaft of the second electric push rod is fixedly connected to a hollow plate. The top of the hollow plate is fixedly connected to guide rods symmetrically distributed about the front and rear of the second electric push rod. The top of the guide rods slides through to the top of the gantry frame.

[0014] In one possible implementation, a first water-cooling cavity is provided inside the die cavity, an ejector assembly is installed on the left side of the die cavity, the ejector assembly includes an ejector pin that slides left and right through the left side wall of the ejector assembly, and an electric push rod located to the left of the ejector pin is fixedly installed on the support frame, the right side of the telescopic shaft of the electric push rod is fixedly connected to the ejector pin.

[0015] In one possible implementation, a cooling water mechanism is also included, which is installed on the front side of the support frame. The cooling water mechanism includes an inlet pipe and an outlet pipe that are fixedly installed on the front side of the support frame and distributed vertically. Two first flexible hoses are fixedly connected to the inlet pipe, and the inlet pipe is connected to the top of the first water-cooling cavity and the second water-cooling cavity respectively through the corresponding first flexible hoses. Two second flexible hoses are fixedly connected to the outlet pipe, and the outlet pipe is connected to the bottom of the first water-cooling cavity and the second water-cooling cavity respectively through the corresponding second flexible hoses.

[0016] In one possible implementation, a cooling mechanism is also included, which includes a fan fixedly mounted on top of the support frame. The fan has a ventilation duct fixedly connected to its rear side, and the fan and the ventilation duct are interconnected. Several air distribution pipes are fixedly connected to the ventilation duct, and the ventilation duct is connected to the ventilation cavity inside the punch, the hollow frame, and the hollow plate through the corresponding air distribution pipes.

[0017] The beneficial effects of this invention are as follows: 1. This invention cools the storage box by means of the linkage between the punch, cooling mechanism one, and cooling mechanism two. When the punch moves to the right to demold, the air outlet one on the surface of the punch can blow air to cool the inside of the storage box. During the process of pushing the storage box out of the die, the hollow frame continuously blows air to cool the four sides of the storage box in a timely manner. After the storage box is completely pushed out of the die, the hollow plate blows air to cool the left side of the storage box, so that the storage box is fully and quickly cooled during the demolding process, improving the cooling efficiency of the storage box, realizing the rapid cooling and shaping of the storage box, and helping to improve production efficiency and quality.

[0018] 2. This invention uses a sealing block to block the air outlet, thereby avoiding affecting the appearance quality of the storage box. When air cooling is required, the sealing block is retracted into the ventilation cavity by a moving mechanism to open the air outlet, allowing the air outlet to blow cold air into the inside of the storage box for cooling, and cooperating with water cooling on the outside of the storage box, thereby improving the cooling efficiency of the storage box.

[0019] 3. This invention uses a pushing component to push the storage box. When the storage box is ejected from the die by the ejector component, the limiting block guides and limits the storage box, allowing it to move smoothly to the right within the hollow frame. This allows the hollow frame to cool the storage box with air. After the storage box is pushed to the right side of the die, the up-and-down moving component pushes the hollow plate downward, allowing it to cool the left side of the storage box with air. Once the hollow plate is fully moved to the left side of the storage box, the third rack meshes with the third gear, which in turn drives the third gear to rotate. This causes the pushing rod to rotate downward and push the storage box to the right, separating it from the hollow frame and allowing it to fall, thus unloading the storage box. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the first angle of the present invention.

[0021] Figure 2 This is a two-dimensional structural diagram of the present invention from a second angle.

[0022] Figure 3 This is a front sectional view of the present invention.

[0023] Figure 4 This is a schematic diagram of a partial section of the punch of the present invention.

[0024] Figure 5 This is a partial cross-sectional structural diagram of the moving mechanism of the present invention.

[0025] Figure 6 This is a three-dimensional structural diagram of the vertically movable component of the present invention.

[0026] Figure 7 This is a three-dimensional structural schematic diagram of the cooling mechanism of the present invention.

[0027] Figure 8 This is a three-dimensional structural diagram of the hollow frame in this invention.

[0028] Figure 9 This is a three-dimensional structural diagram of the pushing component of the present invention.

[0029] Figure 10 This is a three-dimensional structural schematic diagram of the second cooling mechanism of the present invention.

[0030] Figure 11 This is a 3D structural diagram of the storage box.

[0031] In the diagram: 1. Support frame; 11. Guide rod one; 12. Gantry frame; 2. Die; 21. First water-cooling cavity; 22. Ejector assembly; 221. Ejector pin; 222. Electric push rod one; 3. Punch; 31. Second water-cooling cavity; 32. Air outlet one; 33. Sealing block; 34. Moving mechanism; 341. Support frame; 342. Movable rod one; 343. Support plate one; 344. Movable rod two; 3441. Slide rod; 345. Support plate two; 346. Drive motor; 347. Lead screw; 348. Turntable; 3481. Arc-shaped through groove; 4. Hydraulic telescopic cylinder one; 5. Cooling mechanism one; 51. Hollow frame; 511. Limiting block; 512. Air outlet two; 52. Up-down moving assembly one; 521, first rack; 522, first rotating shaft; 523, first gear; 524, second rotating shaft; 525, second gear; 526, second rack; 527, guide groove; 53, pushing assembly; 531, mounting block; 532, third rotating shaft; 533, spiral spring; 534, pushing rod; 535, third gear; 536, third rack; 6, cooling mechanism two; 61, hollow plate; 611, air outlet three; 62, up-down moving assembly two; 621, electric push rod two; 622, guide rod two; 7, storage box; 8, cooling water mechanism; 81, water inlet pipe; 82, water outlet pipe; 9, air cooling mechanism; 91, air cooler; 92, ventilation pipe. Detailed Implementation

[0032] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described below, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Please see Figure 1An EPP trunk storage box forming device includes a support frame 1 and two pairs of guide rods 11 symmetrically fixedly connected to the front and rear sides of the support frame 1. A die 2 located on the left side of the two pairs of guide rods 11 is fixedly installed on the support frame 1. A punch 3 is slidably installed between the front and rear pairs of guide rods 11. A hydraulic telescopic cylinder 4 is installed on the support frame 1 to push the punch 3 to move left and right. A gantry frame 12 is fixedly installed on the top of the support frame 1. A cooling mechanism 5 and a cooling mechanism 6 located between the punch 3 and the die 2 are installed on the gantry frame 12.

[0034] Please see Figure 1 , Figure 3 , Figure 4 and Figure 11 The punch 3 has a pre-reserved ventilation cavity inside, and a second water-cooling cavity 31 is opened inside the punch 3. Several air outlet holes 32 are opened on the outer wall of the punch 3 in a matrix distribution. A sealing block 33 is slidably installed inside the air outlet hole 32 along its axial direction. A moving mechanism 34 for driving the sealing block 33 to slide is installed in the ventilation cavity.

[0035] In the initial state, the concave mold 2 and the convex mold 3 are fitted together, and EPP granules heated to a softened state are filled into the cavity between the concave mold 2 and the convex mold 3. After molding, cooling water is supplied to the second water-cooling cavity 31 to perform preliminary cooling and molding of the storage box 7. Then, the moving mechanism 34 drives the sealing block 33 to move into the inside of the convex mold 3 to open the air outlet 32. Then, the hydraulic telescopic cylinder 4 drives the convex mold 3 to move to the right to demold. At the same time, the air outlet 32 ​​blows cold air into the inside of the storage box 7 to further cool the storage box 7 and improve the cooling effect of the storage box 7.

[0036] Please see Figure 1 , Figure 3 , Figure 6 , Figure 7 and Figure 11 The cooling mechanism 5 includes a hollow frame 51 disposed between the die 2 and the punch 3. A vertical moving assembly 52 for driving the hollow frame 51 to move up and down is mounted on the gantry frame 12. A pushing assembly 53 is mounted on the left side of the hollow frame 51.

[0037] After the punch 3 separates from the die 2, the up-down moving component 52 pushes the hollow frame 51 downward to the right side of the die 2. During the subsequent removal of the storage box 7 from the die 2, the hollow frame 51 can be cooled by timely air blowing from the outside of the storage box 7, further improving the cooling effect of the storage box 7.

[0038] Please see Figure 1 , Figure 3 and Figure 11The cavity 2 has a first water-cooling cavity 21 inside. An ejector assembly 22 is installed on the left side of the cavity 2. The ejector assembly 22 includes an ejector pin 221 that slides through the left side wall of the ejector assembly 22. An electric push rod 222 located to the left of the ejector pin 221 is fixedly installed on the support frame 1. The right side of the telescopic shaft of the electric push rod 222 is fixedly connected to the ejector pin 221.

[0039] After the storage box 7 is formed, cooling water is supplied to the first water-cooling cavity 21 to perform preliminary cooling and forming of the storage box 7. When the hollow frame 51 moves down to the right side of the cavity mold 2, the electric push rod 222 pushes the ejector pin 221 to the right, and then the ejector pin 221 pushes the storage box 7 in the cavity mold 2 to the right to demold the storage box 7.

[0040] Please see Figure 1 , Figure 3 , Figure 8 , Figure 10 and Figure 11 The cooling mechanism 2 6 includes a hollow plate 61 located on the left side of the hollow frame 51. The right side of the hollow plate 61 has a number of air outlet holes 3 611 arranged in a matrix. The gantry frame 12 is equipped with a vertical moving component 2 62 that drives the hollow plate 61 to move up and down.

[0041] When the storage box 7 is completely removed from the inside of the cavity mold 2, and the distance between the left side of the storage box 7 and the right side of the cavity mold 2 is just enough for the hollow plate 61 to move down, the hollow plate 61 is controlled to move down quickly for timely cooling. The hollow plate 61 is pushed down to the left side of the storage box 7 by the up-down moving component 2 62, so that the air outlet 3 611 blows air to the left side of the storage box 7 for cooling, further improving the cooling effect of the storage box 7.

[0042] Please see Figure 1 , Figure 4 and Figure 5 The moving mechanism 34 includes a support frame 341 fixedly installed in the ventilation cavity. A movable rod 342 is slidably installed on the left side of the support frame 341. A support plate 343 is fixedly connected to the left end of the movable rod 342. The left side of the support plate 343 is fixedly connected to the corresponding sealing block 33. A drive motor 346 is installed on the right side of the ventilation cavity. A lead screw 347 is fixedly installed on the left side of the output shaft of the drive motor 346. The lead screw 347 is threadedly connected to the inside of the movable rod 342.

[0043] Please see Figure 1 , Figure 4 and Figure 5The top, bottom, front and rear sides of the support frame 341 are all slidably mounted with movable rods 344 in a direction perpendicular to its surface. The end of the movable rod 344 away from the support frame 341 is fixedly connected to a support plate 345. The side of the support plate 345 away from the movable rod 344 is fixedly connected to the corresponding sealing block 33. A turntable 348 is fixedly connected to the lead screw 347. The turntable 348 has several circumferentially evenly distributed arc-shaped through grooves 3481. The end of the movable rod 344 near the turntable 348 is rotatably connected to a sliding rod 3441. The sliding rod 3441 is slidably installed inside the corresponding arc-shaped through groove 3481.

[0044] When the air outlet 32 ​​is to be opened, the drive motor 346 drives the lead screw 347 to rotate. The lead screw 347 drives the movable rod 342 and the support plate 343 to move to the right. This causes the support plate 343 to move the sealing block 33 on the left side to the right, opening the air outlet 32 ​​on the left side of the punch 3. At the same time, the lead screw 347 drives the turntable 348 to rotate, causing the arc-shaped through groove 3481 to move the slide rod 3441 closer to the lead screw 347. This pulls the movable rod 344 and the support plate 345 closer to the lead screw 347, opening the air outlet 32 ​​on the other side of the punch 3, allowing the air outlet 32 ​​to blow air out for cooling.

[0045] Please see Figure 3 , Figure 6 , Figure 7 , Figure 8 and Figure 11 Limiting blocks 511 are fixedly installed on the front and rear inner walls of the hollow frame 51. The limiting blocks 511 slide in conjunction with the grooves integrally formed on the front and rear sides of the storage box 7. Air outlet holes 512 are evenly opened on the inner wall of the hollow frame 51 in the circumferential direction.

[0046] When the storage box 7 moves to the right from inside the cavity 2, the limiting block 511 guides and limits the storage box 7, so that the storage box 7 can pass through the middle of the hollow frame 51 horizontally and stably. Then, the second air outlet 512 blows cold air to the four sides of the storage box 7, which can simultaneously cool the four sides of the storage box 7 at close range, further improving the cooling effect of the storage box 7.

[0047] Please see Figure 1 , Figure 3 , Figure 6 , Figure 7 and Figure 11The vertical moving component 52 includes a first rack 521 symmetrically fixedly installed on the top of the hollow frame 51. The first rack 521 is slidably installed on the right side of the gantry frame 12. A first rotating shaft 522 located to the right of the first rack 521 is rotatably installed on the right side of the gantry frame 12. A first gear 523 symmetrically distributed on the first rotating shaft 522 is fixedly installed on the first rotating shaft 522. The first gear 523 meshes with the corresponding first rack 521. A second rotating shaft 524 located above the punch 3 is installed on the support frame 1. The first rotating shaft 522 and the second rotating shaft 524 are connected by a belt pulley assembly. A second gear 525 is coaxially fixedly connected to the second rotating shaft 524. A second rack 526 located below the second gear 525 is fixedly connected to the top of the punch 3. The second rack 526 meshes with the second gear 525. A guide groove 527 is installed on the support frame 1 at a position corresponding to the second rack 526. The second rack 526 is slidably installed on the guide groove 527.

[0048] In the initial state, the hollow frame 51 is located above the die 2 and the punch 3. When the hydraulic telescopic cylinder 4 drives the punch 3 to move to the right, the punch 3 drives the second rack 526 to move to the right. Then the second rack 526 drives the second gear 525 and the second rotating shaft 524 to rotate. After that, the second rotating shaft 524 drives the first rotating shaft 522 and the first gear 523 to rotate via a belt. Finally, the first gear 523 drives the first rack 521 to move downward, so that the first rack 521 pushes the hollow frame 51 downward, moving the hollow frame 51 to the right side of the die 2, so that the limiting block 511 is aligned with the grooves on the front and rear sides of the storage box 7.

[0049] Please see Figure 7 , Figure 8 , Figure 9 and Figure 10 The pushing assembly 53 includes two mounting blocks 531 fixedly connected to the left side of the hollow frame 51 and symmetrically distributed front and back. A third rotating shaft 532 is rotatably connected between the two mounting blocks 531. A spiral spring 533 is fixedly connected between the outer wall of the third rotating shaft 532 and the inner wall of the mounting block 531. Two pushing rods 534 symmetrically distributed front and back and a third gear 535 located between the two pushing rods 534 are fixedly connected to the third rotating shaft 532. A third rack 536 located to the left of the third gear 535 is fixedly connected to the top of the hollow plate 61. The third rack 536 meshes with the third gear 535.

[0050] In the initial state, the end of the push rod 534 away from the third rotating shaft 532 is located above the hollow frame 51, and the spiral spring 533 provides a restoring force to the third rotating shaft 532 to rotate clockwise.

[0051] Please see Figure 1 , Figure 7 , Figure 10and Figure 11 The second vertical moving component 62 includes an electric push rod 621 fixedly installed on the gantry frame 12. The bottom of the telescopic shaft of the electric push rod 621 is fixedly connected to the hollow plate 61. The top of the hollow plate 61 is fixedly connected to guide rods 622 symmetrically distributed about the front and rear of the electric push rod 621. The top of the guide rods 622 slides through to the top of the gantry frame 12.

[0052] After the storage box 7 is completely ejected from the die 2, when the gap between the storage box 7 and the die 2 is greater than the thickness of the hollow plate 61, the hollow plate 61 is pushed downward by the electric push rod 621, moving it to the left side of the storage box 7. The guide rod 622 guides the hollow plate 61, improving the stability of its movement. Cold air is blown to the left side of the storage box 7 through the air outlet 611 for cooling, further improving the cooling of the storage box 7. As a result, when the hollow plate 61 is completely moved to the left side of the storage box 7, the third rack 536 meshes with the third gear 535. At this time, the hollow plate 61 drives the third rack 536 to continue moving downward. The third rack 536 drives the third gear 535 to rotate counterclockwise. Then the third gear 535 drives the third rotating shaft 532 and the pusher 534 to rotate, so that the pusher 534 pushes the storage box 7 to the right, so that the storage box 7 is moved out of the hollow frame 51 and automatically falls down to discharge the material.

[0053] Please see Figure 1 , Figure 3 , Figure 4 and Figure 11 The molding process device also includes a cooling water mechanism 8 installed on the front side of the support frame 1. The cooling water mechanism 8 includes an inlet pipe 81 and an outlet pipe 82 fixedly installed on the front side of the support frame 1 and distributed vertically. Two first flexible hoses are fixedly connected to the inlet pipe 81, and the inlet pipe 81 is connected to the top of the first water-cooling chamber 21 and the second water-cooling chamber 31 through the corresponding first flexible hoses. Two second flexible hoses are fixedly connected to the outlet pipe 82, and the outlet pipe 82 is connected to the bottom of the first water-cooling chamber 21 and the second water-cooling chamber 31 through the corresponding second flexible hoses. The inlet pipe 81 is connected to an external cooling water pipe, and the outlet pipe 82 is connected to an external cooling water recovery pipe. Both the cooling water pipe and the cooling water recovery pipe are connected to corresponding existing equipment.

[0054] After the storage box 7 is formed, cooling water is pumped into the inlet pipe 81 through the external cold water pipe. Then, the inlet pipe 81 delivers cooling water to the first water-cooling chamber 21 and the second water-cooling chamber 31, which can initially cool the storage box 7 and make it cool and form quickly. The used cooling water flows into the outlet pipe 82 through the corresponding second hose, and then the outlet pipe 82 discharges the used cooling water into the cold water recovery pipe.

[0055] Please see Figure 1, Figure 2 and Figure 11 The molding process device also includes a cooling mechanism 9 installed on the top of the support frame 1. The cooling mechanism 9 includes a cold air fan 91 fixedly installed on the top of the support frame 1. A ventilation pipe 92 is fixedly connected to the rear side of the cold air fan 91. The cold air fan 91 and the ventilation pipe 92 are interconnected. Several air distribution pipes are fixedly connected to the ventilation pipe 92. The ventilation pipe 92 is connected to the ventilation cavity inside the punch 3, the hollow frame 51 and the hollow plate 61 through the corresponding air distribution pipes.

[0056] Cold air is delivered to the ventilation duct 92 by the air cooler 91, and then the ventilation duct 92 distributes the cold air to the ventilation cavity of the punch 3, the hollow frame 51 and the hollow plate 61, so that the punch 3, the hollow frame 51 and the hollow plate 61 can be cooled by blowing air into the storage box 7.

[0057] Please see Figures 1-11 In specific use, in the first step, the initial state, the concave mold 2 and the convex mold 3 are joined together. EPP granules heated to a softened state are injected into the cavity between the concave mold 2 and the convex mold 3 through an external injection molding system. After injection molding is completed, cooling water is pumped into the water inlet pipe 81 through an external cold water pipe. Then, the water inlet pipe 81 delivers cooling water to the first water cooling cavity 21 and the second water cooling cavity 31 respectively, so that the plastic between the concave mold 2 and the convex mold 3 is initially cooled to form the storage box 7. The used cooling water is discharged into the cold water recovery pipe through the water outlet pipe 82.

[0058] Step 2: Drive the lead screw 347 and turntable 348 to rotate via the drive motor 346. Then, the lead screw 347 drives the movable rod 342 and the support plate 343 to move to the right, causing the support plate 343 to move the corresponding sealing block 33 to the right and retract into the ventilation cavity. At the same time, the turntable 348 drives the slide rod 3441 to move closer to the lead screw 347 via the arc-shaped through groove 3481. Then, the slide rod 3441 drives the movable rod 344 and the support plate 345 to move closer to the lead screw 347, causing the support plate 345 to retract the corresponding sealing block 33 into the ventilation cavity, fully opening the air outlet 32.

[0059] Step 3: The hydraulic telescopic cylinder 4 drives the punch 3 to move to the right, so that the punch 3 separates from the storage box 7. At the same time, the cold air blower 91 delivers cold air to the ventilation pipe 92, and then the ventilation pipe 92 delivers cold air to the ventilation cavity in the punch 3, so that the air outlet 32 ​​blows cold air outward to cool the inside of the storage box 7.

[0060] Step 4: During the process of the punch 3 moving to the right, the punch 3 drives the second rack 526 to move to the right. Then the second rack 526 drives the second gear 525 and the second rotating shaft 524 to rotate. After that, the second rotating shaft 524 drives the first rotating shaft 522 to rotate via a belt. Then the first rotating shaft 522 drives the first rack 521 to move downward via the first gear 523. Then the first rack 521 pushes the hollow frame 51 downward to the right side of the die 2, so that the limiting block 511 is at the same height as the grooves on the front and rear sides of the storage box 7.

[0061] Step 5: The electric push rod 222 pushes the ejector pin 221 to the right, so that the ejector pin 221 pushes the storage box 7 out of the cavity 2 to the right. The right end of the storage box 7 will enter the hollow frame 51. The limiting block 511 guides and limits the storage box 7, so that the storage box 7 can pass through the middle of the hollow frame 51 horizontally and stably. At the same time, the ventilation pipe 92 delivers cold air into the hollow frame 51, so that the air outlet 512 blows cold air to the four sides of the storage box 7 to cool the four sides of the storage box 7.

[0062] Step 6: When the ejector pin 221 pushes the storage box 7 completely out of the cavity mold 2, and the distance between the left side of the storage box 7 and the right side of the cavity mold 2 is just enough for the hollow plate 61 to move down, the ejector pin 221 is driven to move to the left and reset by the electric push rod 222. Then, the hollow plate 61 is pushed down by the electric push rod 621, so that the hollow plate 61 moves down between the cavity mold 2 and the storage box 7. At the same time, the ventilation pipe 92 delivers cold air to the hollow plate 61, so that the air outlet 611 blows air to cool the left side of the storage box 7.

[0063] Step 7: When the hollow plate 61 moves down to be flush with the storage box 7, the third rack 536 meshes with the third gear 535. Then the hollow plate 61 continues to move downward. At this time, the third rack 536 drives the third gear 535 to rotate. Then the third gear 535 drives the third rotating shaft 532 and the pusher 534 to rotate counterclockwise. After the pusher 534 rotates to the left side of the storage box 7, it continues to push the storage box 7 to the right, so that the storage box 7 separates from the hollow frame 51. Then the storage box 7 falls downward to discharge the material.

[0064] Step 8: The hollow plate 61 is moved upward and reset by the electric push rod 621. During the upward movement of the hollow plate 61, the third rack 536 first drives the third gear 535 to rotate in the opposite direction. Then the third gear 535 drives the third shaft 532 and the push rod 534 to rotate in the opposite direction and reset, so that the end of the push rod 534 away from the third shaft 532 rotates back to the top of the hollow frame 51, so as to avoid the push rod 534 blocking the upward movement of the hollow plate 61.

[0065] Step 9: Push the punch 3 to the left and re-engage it with the die 2 using the hydraulic telescopic cylinder 4. During the leftward movement of the punch 3, the punch 3 drives the second rack 526 to move to the left. Then, the second rack 526 drives the second gear 525 and the second shaft 524 to rotate in opposite directions. Afterward, the second shaft 524 drives the first shaft 522 to rotate in opposite directions via a belt. The first shaft 522 drives the first rack 521 to move upward via the first gear 523, causing the first rack 521 to pull the hollow frame 51 upward to reset.

[0066] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," "installed," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, an integral connection, or a sliding connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0067] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An EPP trunk storage box forming and processing device, comprising a support frame (1) and two pairs of guide rods (11) symmetrically fixedly connected to the front and rear sides of the support frame (1), characterized in that: The support frame (1) is fixedly mounted with a die (2) located on the left side of the two pairs of guide rods (11); a punch (3) is slidably mounted between the front and rear pairs of guide rods (11); a hydraulic telescopic cylinder (4) is mounted on the support frame (1) for pushing the punch (3) to move left and right; a gantry (12) is fixedly mounted on the top of the support frame (1); a cooling mechanism (5) and a cooling mechanism (6) are mounted on the gantry (12) between the punch (3) and the die (2); A ventilation cavity is reserved inside the male mold (3), a second water cooling cavity (31) is provided inside the male mold (3), a plurality of air outlet holes (32) distributed in a matrix are provided on the outer wall of the male mold (3), a sealing block (33) is slidably installed inside the air outlet hole (32) along its axial direction, and a moving mechanism (34) for driving the sealing block (33) to slide is installed in the ventilation cavity; The cooling mechanism (5) comprises a hollow frame (51) arranged between the concave die (2) and the convex die (3); a vertical moving component (52) for driving the hollow frame (51) to move up and down is installed on the gantry (12); and a pushing component (53) is installed on the left side of the hollow frame (51); The cooling mechanism 2 (6) comprises a hollow plate (61) arranged on the left side of the hollow frame (51), a plurality of air outlet holes 3 (611) arranged in a matrix are provided on the right side of the hollow plate (61), and a vertical moving component 2 (62) for driving the hollow plate (61) to move up and down is installed on the gantry (12); The moving mechanism (34) comprises a support frame (341) fixedly mounted in the ventilation cavity, a movable rod (342) being slidably mounted on the left side of the support frame (341), a support plate (343) being fixedly connected to the left end of the movable rod (342), a left side of the support plate (343) being fixedly connected to the corresponding sealing block (33), a driving motor (346) being mounted on the right side of the ventilation cavity, a lead screw (347) being fixedly mounted on the left side of the output shaft of the driving motor (346), and the lead screw (347) being threadedly connected to the inside of the movable rod (342); The top, bottom, front side and rear side of the support frame (341) are all slidably mounted with movable rods (344) in a direction perpendicular to the surface thereof; one end of the movable rod (344) away from the support frame (341) is fixedly connected to a support plate (345); the side of the support plate (345) away from the movable rod (344) is fixedly connected to the corresponding sealing block (33); a turntable (348) is fixedly connected to the lead screw (347); a plurality of arc-shaped through grooves (3481) uniformly distributed in the circumferential direction are provided inside the turntable (348); one end of the movable rod (344) close to the turntable (348) is rotatably connected to a slide rod (3441); the slide rod (3441) is slidably mounted inside the corresponding arc-shaped through groove (3481).

2. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: Limit blocks (511) are fixedly mounted on the front and rear inner walls of the hollow frame (51), and the limit blocks (511) are slidably engaged with grooves integrally formed on the front and rear sides of the storage box (7). Two air outlet holes (512) are evenly arranged on the inner wall of the hollow frame (51) in a circumferential direction.

3. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: The up-and-down moving assembly (52) comprises a first rack (521) symmetrically fixedly mounted on the top of the hollow frame (51); the first rack (521) is slidably mounted on the right side of the gantry (12); a first rotating shaft (522) located on the right side of the first rack (521) is rotatably mounted on the right side of the gantry (12); a first gear (523) symmetrically distributed on the front and back is fixedly mounted on the first rotating shaft (522); the first gear (523) is meshed with the corresponding first rack (521); a second gear (523) located above the punch (3) is mounted on the support frame (1). The first rotating shaft (522) and the second rotating shaft (524) are connected in transmission via a pulley assembly; the second rotating shaft (524) is coaxially fixedly connected with a second gear (525); the top of the male mold (3) is fixedly connected with a second rack (526) located below the second gear (525); the second rack (526) is meshed with the second gear (525); a guide groove (527) is installed at a position on the support frame (1) corresponding to the second rack (526); the second rack (526) is slidably installed on the guide groove (527) leftward and rightward.

4. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: The pushing assembly (53) comprises two mounting blocks (531) fixedly connected to the left side of the hollow frame (51) and symmetrically distributed front and back, a third rotating shaft (532) rotatably connected between the two mounting blocks (531) front and back, a spiral spring (533) fixedly connected between the outer wall of the third rotating shaft (532) and the inner wall of the mounting block (531), two pushing rods (534) symmetrically distributed front and back and a third gear (535) located between the two pushing rods (534) fixedly connected to the third rotating shaft (532), a third rack (536) located on the left side of the third gear (535) fixedly connected to the top of the hollow plate (61), and the third rack (536) meshes with the third gear (535).

5. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: The up-and-down moving component 2 (62) comprises an electric push rod 2 (621) fixedly mounted on the gantry (12); the bottom of the telescopic shaft of the electric push rod 2 (621) is fixedly connected to the hollow plate (61); the top of the hollow plate (61) is fixedly connected to a guide rod 2 (622) symmetrically distributed frontward and rearward about the electric push rod 2 (621); the top of the guide rod 2 (622) slides through the top of the gantry (12).

6. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: A first water-cooling chamber (21) is provided inside the concave mold (2); an ejector assembly (22) is installed on the left side of the concave mold (2); the ejector assembly (22) comprises an ejector pin (221) which slides leftward and rightward and penetrates the left side wall of the ejector assembly (22); an electric push rod (222) is fixedly installed on the support frame (1) and is located on the left side of the ejector pin (221); and the right side of the telescopic shaft of the electric push rod (222) is fixedly connected to the ejector pin (221).

7. The EPP trunk storage box forming and processing device according to claim 6, characterized in that: The invention also comprises a cold water mechanism (8) installed on the front side of the support frame (1), the cold water mechanism (8) comprising a water inlet pipe (81) and a water outlet pipe (82) fixedly installed on the front side of the support frame (1) and distributed up and down, the water inlet pipe (81) being fixedly connected to two first hoses, the water inlet pipe (81) being connected to the top of the first water cooling chamber (21) and the second water cooling chamber (31) through corresponding first hoses, the water outlet pipe (82) being fixedly connected to two second hoses, the water outlet pipe (82) being connected to the bottom of the first water cooling chamber (21) and the second water cooling chamber (31) through corresponding second hoses.

8. The EPP trunk storage box forming and processing device according to claim 1, characterized in that: It also includes an air cooling mechanism (9) installed on the top of the support frame (1), the air cooling mechanism (9) includes an air cooler (91) fixedly installed on the top of the support frame (1), a ventilation pipe (92) fixedly connected to the rear side of the air cooler (91), the air cooler (91) and the ventilation pipe (92) are interconnected, a plurality of air distribution pipes are fixedly connected to the ventilation pipe (92), and the ventilation pipe (92) is respectively connected to the ventilation cavity inside the punch (3), the hollow frame (51) and the hollow plate (61) through the corresponding air distribution pipes.

Images