EPS foam box and production equipment thereof

Abstract

The present invention belongs to the technical field of foam boxes, and in particular to an EPS foam box and its production equipment. In view of the problem that the existing equipment cannot combine the cooling link and the discharging link in the production of foam boxes to improve production efficiency, the following scheme is proposed, including a fixed main frame, six sliding sleeve rods are fixed on one side of the fixed main frame, a sliding main frame is arranged on one side of the fixed main frame, the sliding main frame and the six sliding sleeve rods are slidably sleeved, the side walls of the fixed main frame and the sliding main frame are both provided with four module fixing grooves, and two matching box cover forming components and ten box body forming components are respectively fixed between the module fixing grooves of the fixed main frame and the sliding main frame. The present invention not only realizes the cooling of the side of the foam box body through the inclined cooling guide holes through the cooling pipes arranged, but also can push the foam box outward through the cooling water sprayed obliquely from the outside, so as to play the multiple functions of cooling, shaping and discharging.

Description

Technical Field

[0001] The invention relates to the technical field of foam boxes, and in particular to an EPS foam box and production equipment thereof. Background Art

[0002] In the current situation of developed logistics, the integrity of the package in logistics transportation is also an important guarantee for logistics transportation. In the packaging and transportation of products, the choice of foam boxes can meet the consumption of most products. Foam boxes can keep fresh products warm and provide good protection for light-proof products. In addition, foam boxes are very light and can provide good protection. Therefore, they are the most chosen packaging material in logistics.

[0003] The existing foam box production equipment has the following problems: in the current foam box production process, the foam raw materials are expanded and heated and then injection molded to prepare the foam box. During the injection molding production of the foam box, the molded foam box needs to be cooled and discharged. The current cooling is to cool and shape by water, and the discharge is to push the foam box out through the built-in ejector rod of the mold. The current equipment cannot combine the cooling link and the discharge link in the foam box production to improve production efficiency, and the existing technology is not easy to solve such problems. Therefore, EPS foam boxes and production equipment thereof are urgently needed to solve the above problems. Summary of the invention

[0004] Based on the technical problem that the existing equipment cannot combine the cooling link and the discharging link in the production of the foam box to improve the production efficiency, the present invention proposes an EPS foam box and a production equipment thereof.

[0005] The EPS foam box and its production equipment proposed by the present invention include a fixed main frame, six sliding sleeve rods are fixed on one side of the fixed main frame, a sliding main frame is arranged on one side of the fixed main frame, the sliding main frame is slidably sleeved with the six sliding sleeve rods, four module fixing grooves are opened on the side walls of the fixed main frame and the sliding main frame, and two matching box cover forming components and ten box body forming components are respectively fixed between the module fixing grooves of the fixed main frame and the sliding main frame;

[0006] The box forming assembly includes a box forming assembly fixing frame fixed on the module fixing groove, a box female mold is fixed on one side of the box forming assembly fixing frame located on the fixed main frame, and a box male mold is fixed on one side of the box forming assembly fixing frame located on the sliding main frame, the box male mold is plugged into the inside of the box female mold, and a grating sensor is fixed on the inner wall of the box female mold;

[0007] The box cover forming component includes a box cover forming component fixing frame fixed on the module fixing groove, a box cover male mold is fixed on one side of the box cover forming component fixing frame located on the fixed main frame, a box cover female mold is fixed on one side of the box cover forming component fixing frame located on the sliding main frame, a box cover forming groove is opened on one side of the box cover female mold, a movable inner plate slide groove is opened on one side of the box cover male mold, a sliding movable inner plate is embedded in the interior of the movable inner plate slide groove, a box cover internal resistance is fixed on one side of the movable inner plate, and the box cover internal resistance matches the box cover forming groove inside the box cover female mold.

[0008] Preferably, a hydraulic cylinder mounting groove is provided on one side of the sliding main frame, and the hydraulic cylinder mounting groove is fixed to the movable rod end of the hydraulic cylinder.

[0009] Preferably, both ends of the box body molding assembly fixing frame and the box cover molding assembly fixing frame are provided with installation side grooves, one end of the box body molding assembly fixing frame and the box cover molding assembly fixing frame is fixed with an injection feed pipe, and the other end of the box body molding assembly fixing frame and the box cover molding assembly fixing frame is fixed with a cooling pipe and an injection return pipe.

[0010] Preferably, a top box opening is arranged in the middle position inside the box mother mold, and a bottom injection hole and a return hole are arranged at both end positions inside the box mother mold, the bottom injection hole is connected to the injection feed pipe, and the return hole is connected to the injection return pipe.

[0011] Preferably, cooling guide holes are provided on the inner walls at both ends of the box master mold, and the cooling guide holes and the top box opening are connected to the cooling pipe, and the discharge port of the cooling guide holes is inclined toward the outside of the box master mold.

[0012] Preferably, a side injection hole is provided on the inner wall of the box master mold, and the side injection hole is connected to the injection feed pipe. A sealing cylinder groove is provided on the inner wall of the box master mold, and a sealing cylinder is slidingly sleeved in the sealing cylinder groove. A side injection sealing plate is fixed at one end of the sealing cylinder, and the side injection sealing plate matches the size of the side injection hole.

[0013] Preferably, the side injection sealing plate is located on one side of the sealing cylinder and a limit spring is fixed to the inner wall of the box mother mold. An electromagnet is embedded and fixed on the inner wall of the box mother mold, and an iron sheet is arranged near the center of the electromagnet on the side injection sealing plate.

[0014] Preferably, an injection cavity is provided at the top of the box cover mother mold, and an injection conduit is sleeved on the top of the injection cavity.

[0015] Preferably, a cooling cavity is provided on the top of the box cover male mold, a cooling duct is sleeved on the top of the cooling cavity, the cooling duct is communicated with the internal movable inner plate slide groove, an array of cooling side holes are provided around the movable inner plate, a liquid inlet is provided on the inner side of the movable inner plate, and the cooling side holes are communicated with the liquid inlet, four limiting holes are provided on one side of the box cover female mold, four limiting columns are fixed on one side of the box cover male mold, and the four limiting columns are respectively plugged into the four limiting holes.

[0016] The beneficial effects of the present invention are:

[0017] The EPS foam box and its production equipment, through the box cover molding component provided, the local structural characteristics inside the box cover molding component realize that a plurality of box covers can be produced by one mold at one time, which can effectively improve the molding of multiple boxes in a single injection molding operation and improve production efficiency.

[0018] The EPS foam box and its production equipment, through the structural design of the interior of the box body molding mother mold, first inject the material into the side of the foam box during the injection molding process, and then inject the material into the bottom of the foam box after the side injection, so that the side injection density of the foam box can be increased, the side bearing capacity of the foam box can be increased, and the overall quality of the foam box can be improved.

[0019] The EPS foam box and its production equipment, through the cooling pipe and the inclined cooling guide holes, not only cool the side of the foam box body, but also push the foam box outward through the cooling water sprayed obliquely from the outside, thus playing the multiple functions of cooling, shaping and discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an EPS foam box and its production equipment proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the box body forming component structure of an EPS foam box and its production equipment proposed by the present invention;

[0022] Figure 3 This is a structural schematic diagram of one side of a box cover forming component of an EPS foam box and a production equipment thereof proposed by the present invention;

[0023] Figure 4 This is a schematic structural diagram of the other side of a box cover forming assembly of an EPS foam box and a production equipment thereof proposed by the present invention;

[0024] Figure 5 A schematic diagram of the internal structure of a box body master mold of an EPS foam box and a production equipment thereof proposed by the present invention;

[0025] Figure 6The EPS foam box and its production equipment proposed by the present invention Figure 5 A schematic diagram of the enlarged structure of part A;

[0026] Figure 7 This is a schematic diagram of the box cover male mold structure of an EPS foam box and its production equipment proposed by the present invention.

[0027] In the figure: 1. Sliding main frame; 2. Hydraulic cylinder mounting groove; 3. Module fixing groove; 4. Sliding sleeve rod; 5. Box body female mold; 6. Box body forming component fixing frame; 7. Box cover forming component; 8. Injection feed pipe; 9. Mounting side groove; 10. Cooling pipe; 11. Injection return pipe; 12. Box body male mold; 13. Limiting hole; 14. Box cover forming component fixing frame; 15. Cooling duct; 16. Box cover forming groove; 17. Box cover female mold; 18. Box Cover male mold; 19, limit column; 20, movable inner plate; 21, box cover inner resistance; 22, return hole; 23, bottom injection hole; 24, grating sensor; 25, cooling guide hole; 26, side injection hole; 27, top box opening; 28, sealing cylinder; 29, electromagnet; 30, limit spring; 31, side injection sealing plate; 32, injection conduit; 33, cooling cavity opening; 34, movable inner plate slide groove; 35, cooling side hole; 36, injection cavity opening. DETAILED DESCRIPTION

[0028] Reference Figure 1-Figure 7 , an EPS foam box and its production equipment, including a fixed main frame, six sliding sleeve rods 4 are fixed on one side of the fixed main frame, a sliding main frame 1 is arranged on one side of the fixed main frame, the sliding main frame 1 and the six sliding sleeve rods 4 are slidably sleeved, the side walls of the fixed main frame and the sliding main frame 1 are each provided with four module fixing grooves 3, and two matching box cover forming components 7 and ten box body forming components are respectively fixed between the module fixing grooves 3 of the fixed main frame and the sliding main frame 1;

[0029] The box forming assembly includes a box forming assembly fixing frame 6 fixed on the module fixing groove 3, a box female mold 5 is fixed on one side of the box forming assembly fixing frame 6 located on the fixed main frame, a box male mold 12 is fixed on one side of the box forming assembly fixing frame 6 located on the sliding main frame 1, the box male mold 12 is plugged into the inside of the box female mold 5, and a grating sensor 24 is fixed on the inner wall of the box female mold 5;

[0030] The box cover forming component 7 includes a box cover forming component fixing frame 14 fixed on the module fixing groove 3, a box cover male mold 18 is fixed on one side of the box cover forming component fixing frame 14 located on the fixed main frame, a box cover female mold 17 is fixed on one side of the box cover forming component fixing frame 14 located on the sliding main frame 1, a box cover forming groove 16 is opened on one side of the box cover female mold 17, a movable inner plate slide groove 34 is opened on one side of the box cover male mold 18, a sliding movable inner plate 20 is embedded in the movable inner plate slide groove 34, a box cover internal resistance 21 is fixed on one side of the movable inner plate 20, and the box cover internal resistance 21 matches the box cover forming groove 16 inside the box cover female mold 17.

[0031] Furthermore, a hydraulic cylinder mounting groove 2 is provided on one side of the sliding main frame 1, and the hydraulic cylinder mounting groove 2 is fixed to the movable rod end of the hydraulic cylinder;

[0032] Furthermore, both ends of the box body molding component fixing frame 6 and the box cover molding component fixing frame 14 are provided with mounting side grooves 9, one end of the box body molding component fixing frame 6 and the box cover molding component fixing frame 14 is fixed with an injection feed pipe 8, and the other end of the box body molding component fixing frame 6 and the box cover molding component fixing frame 14 is fixed with a cooling pipe 10 and an injection return pipe 11;

[0033] Furthermore, a top box opening 27 is provided at the middle position of the box body master mold 5, and a bottom injection hole 23 and a return hole 22 are provided at both ends of the box body master mold 5. The bottom injection hole 23 is connected to the injection feed pipe 8, and the return hole 22 is connected to the injection return pipe 11.

[0034] Furthermore, cooling guide holes 25 are provided on the inner walls of both ends of the box master mold 5, and the cooling guide holes 25 and the top box opening 27 are both connected to the cooling pipe 10, and the discharge port of the cooling guide hole 25 is inclined toward the outside of the box master mold 5;

[0035] Furthermore, a side injection hole 26 is provided on the inner wall of the box master mold 5, and the side injection hole 26 is communicated with the injection feed pipe 8. A sealing cylinder groove is provided on the inner wall of the box master mold 5, and a sealing cylinder 28 is slidably sleeved in the sealing cylinder groove. A side injection sealing plate 31 is fixed to one end of the sealing cylinder 28, and the size of the side injection sealing plate 31 matches the side injection hole 26.

[0036] Furthermore, a limit spring 30 is fixed to one side of the side injection material sealing plate 31 located inside the sealing cylinder 28, and the limit spring 30 is fixed to the inner wall of the box mother mold 5, and an electromagnet 29 is embedded and fixed to the inner wall of the box mother mold 5, and an iron sheet is arranged near the center of the electromagnet 29 on the side injection material sealing plate 31;

[0037] Furthermore, a material injection cavity 36 is provided at the top of the box cover mother mold 17, and a material injection conduit 32 is sleeved on the top of the material injection cavity 36;

[0038] Furthermore, a cooling cavity 33 is provided on the top of the box cover male mold 18, and a cooling duct 15 is sleeved on the top of the cooling cavity 33. The cooling duct 15 is communicated with the internal movable inner plate slide groove 34. The movable inner plate 20 is provided with an array of cooling side holes 35 around it, and a liquid inlet is provided on the inner side of the movable inner plate 20, and the cooling side holes 35 are communicated with the liquid inlet. Four limiting holes 13 are provided on one side of the box cover female mold 17, and four limiting columns 19 are fixed on one side of the box cover male mold 18. The four limiting columns 19 are respectively plugged into the four limiting holes 13.

[0039] When the present invention is used: the fixed main frame is fixed and stabilized, one side of the sliding main frame 1 is fixed to the hydraulic cylinder, the molds to be produced are respectively fixed on the module fixing grooves 3, the injection feed pipe 8, the cooling pipe 10 and the injection return pipe 11 are connected correspondingly, and the hydraulic cylinder pushes the sliding main frame 1 to move, so that the inside of the box body forming component and the box cover forming component 7 are respectively close to each other, and the internal injection is used to realize the production of the foam box; during the production process, the box body female mold 5 is close to the box body male mold 12, and during injection molding, the electromagnet 29 conducts electricity to attract the side injection sealing plate 31, and the foam material starts to be injected along the side through the opened side injection hole 26. When the injection reaches the bottom position of the foam box, the foam blocks the grating sensor 24, and at this time, the electromagnet 29 is powered off, the side injection sealing plate 31 is closed, and the side injection stops. The bottom injection hole 23 at the bottom of the foam box starts to inject and mold the bottom position of the foam box, and the excess foam material is recovered into the injection return pipe 11 through the return hole 22, and the box body of the foam box is completed by injection molding; when the box body is discharged, the cooling guide hole 25 on the side sprays cooling water obliquely to the outside, and the internal top box port 27 sprays cooling water to cool the injection-molded foam box body and discharge the material; when the box cover is molded, after the box cover mother mold 17 and the box cover male mold 18 are close to each other, the cooling water is poured in to make the movable inner plate 20 move toward the box cover mother mold 17, and the box cover internal resistance part 21 and the box cover molding groove 16 are close to each other for sealing, and the foam material is injected into the injection cavity 36 to complete the molding of the box cover, and the cooling water discharged through the side cooling hole 35 is cooled and shaped to realize the injection molding production of the box cover.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An EPS foam box production device, comprising a fixed main frame, six sliding sleeve rods (4) are fixed to one side of the fixed main frame, a sliding main frame (1) is arranged on one side of the fixed main frame, the sliding main frame (1) and the six sliding sleeve rods (4) are slidably sleeved, characterized in that: The side walls of the fixed main frame and the sliding main frame (1) are each provided with four module fixing grooves (3), and two matching box cover forming assemblies (7) and ten box body forming assemblies are respectively fixed between the module fixing grooves (3) of the fixed main frame and the sliding main frame (1); The box forming assembly comprises a box forming assembly fixing frame (6) fixed on the module fixing groove (3), a box female mold (5) fixed on one side of the box forming assembly fixing frame (6) located on the fixed main frame, and a box male mold (12) fixed on one side of the box forming assembly fixing frame (6) located on the sliding main frame (1), the box male mold (12) being plugged into the interior of the box female mold (5), and a grating sensor (24) being fixed on the inner wall of the box female mold (5); The box cover forming component (7) comprises a box cover forming component fixing frame (14) fixed on the module fixing groove (3), a box cover male mold (18) fixed on one side of the box cover forming component fixing frame (14) located on the fixed main frame, and a box cover female mold (17) fixed on one side of the box cover forming component fixing frame (14) located on the sliding main frame (1), a box cover forming groove (16) is formed on one side of the box cover female mold (17), a movable inner plate sliding groove (34) is formed on one side of the box cover male mold (18), a sliding movable inner plate (20) is embedded in the movable inner plate sliding groove (34), a box cover inner resistance member (21) is fixed on one side of the movable inner plate (20), and the box cover inner resistance member (21) matches the box cover forming groove (16) inside the box cover female mold (17); Both ends of the box body molding component fixing frame (6) and the box cover molding component fixing frame (14) are provided with mounting side grooves (9); one end of the box body molding component fixing frame (6) and the box cover molding component fixing frame (14) is fixed with an injection feed pipe (8); and the other end of the box body molding component fixing frame (6) and the box cover molding component fixing frame (14) is fixed with a cooling pipe (10) and an injection return pipe (11); A top box opening (27) is provided at the middle position of the box body master mold (5), and a bottom injection hole (23) and a return hole (22) are provided at both ends of the box body master mold (5), the bottom injection hole (23) is connected to the injection feed pipe (8), and the return hole (22) is connected to the injection return pipe (11); The inner walls of both ends of the box body master mold (5) are provided with cooling guide holes (25), and the cooling guide holes (25) and the top box opening (27) are both arranged to be in communication with the cooling pipe (10), and the discharge opening of the cooling guide holes (25) is arranged to be inclined toward the outside of the box body master mold (5); The inner wall of the box body master mold (5) is provided with a side injection hole (26), the side injection hole (26) is in communication with the injection feed pipe (8), the inner wall of the box body master mold (5) is provided with a sealing cylinder groove, and a sealing cylinder (28) is slidably sleeved in the sealing cylinder groove, a side injection sealing plate (31) is fixed to one end of the sealing cylinder (28), and the size of the side injection sealing plate (31) matches the side injection hole (26); The top of the box cover mother mold (17) is provided with an injection cavity (36), and the top of the injection cavity (36) is sleeved with an injection conduit (32); A cooling cavity (33) is provided on the top of the box cover male mold (18), a cooling duct (15) is sleeved on the top of the cooling cavity (33), the cooling duct (15) is communicated with the internal movable inner plate slide groove (34), the movable inner plate (20) is provided with array-distributed cooling side holes (35) around it, the inner side of the movable inner plate (20) is provided with a liquid inlet, and the cooling side holes (35) are communicated with the liquid inlet, one side of the box cover female mold (17) is provided with four limiting holes (13), one side of the box cover male mold (18) is fixed with four limiting posts (19), and the four limiting posts (19) are respectively plugged into the four limiting holes (13).

2. The EPS foam box production equipment according to claim 1, characterized in that: A hydraulic cylinder mounting groove (2) is provided on one side of the sliding main frame (1), and the hydraulic cylinder mounting groove (2) is fixed to the movable rod end of the hydraulic cylinder.

3. The EPS foam box production equipment according to claim 1, characterized in that: The side injection material sealing plate (31) is located on one side of the sealing cylinder (28) and is fixed with a limit spring (30), and the limit spring (30) is fixed to the inner wall of the box body mother mold (5), and the inner wall of the box body mother mold (5) is embedded with an electromagnet (29) and fixed, and an iron sheet is provided at the center of the side injection material sealing plate (31) close to the electromagnet (29).

4. An EPS foam box, an EPS foam box produced by the EPS foam box production equipment according to any one of claims 1-3.

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