Hot press forming die for explosion-proof door leaf
By designing upper and lower mold components and combining them with a mold-lifting hydraulic cylinder component, the problem of difficult demolding of explosion-proof door leaf forming molds was solved, achieving rapid demolding and efficient production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-10
AI Technical Summary
Existing explosion-proof door panel molding molds are difficult to demold after casting, affecting production speed.
The design employs an upper mold assembly and a lower mold assembly, combined with a mold-lifting cylinder assembly. The mold-lifting cylinder drives the mold-lifting plate and mold-lifting support to lift the explosion-proof door leaf upwards to achieve demolding.
It enables rapid demolding of explosion-proof door panels, improves production efficiency, has a simple structure, and is suitable for stable molding of large-format and complex structures.
Smart Images

Figure CN223981170U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of explosion -proof door leaf, especially a kind of explosion -proof door leaf hot press forming die. BACKGROUND
[0002] Explosion -proof door is a kind of anti -blast protective equipment with resistance under certain conditions under explosion impact, can dissipate the shock wave pressure generated by explosion, absorb the impact kinetic energy of fragment, prevent penetration, effectively prevent explosion hazard continuation from explosion wave influence. Explosion -proof door is widely used in command room, civil air defense engineering, explosive storehouse, flammable goods warehouse, workshop, mine and other places. Especially the explosion -proof door used in civil air defense engineering, can effectively resist and prevent the shock wave and fragment generated by explosion, protect people's life and property safety.
[0003] Explosion -proof door generally includes door frame, door leaf, hinge and lock, and door leaf is usually composed of front panel and back panel, in the use process of existing explosion -proof door leaf forming die, after using mold casting, since explosion -proof door leaf shape is rectangle, and area is larger, it leads to explosion -proof door leaf demolding extremely difficult, often needs to wait for cooling to carry out demolding, and then influence the production speed of explosion -proof door leaf. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of explosion -proof door leaf hot press forming die, solve the technical problem that existing explosion -proof door leaf forming die is difficult to demould after casting.
[0005] In order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A kind of explosion -proof door leaf hot press forming die, including upper die assembly and lower die assembly, the upper die assembly is arranged on lower die assembly;The upper die assembly includes upper die master mould, and the upper die master mould is provided with flat plate mold core;The lower die assembly includes lower die base plate, and the lower die base plate is provided with lift cylinder assembly of lift, and the upper side of lift cylinder assembly of lift is provided with lower die master mould, and lower die support is arranged between lower die master mould and lower die base plate, and lower die master mould is provided with sub-mould.
[0007] Further, the inner side of the upper die master mould is provided with an upper die cavity, and the flat plate mold core is arranged in the upper die cavity, and the flat plate mold core and the upper die master mould are arranged as detachable devices.
[0008] Further, the two sides of the upper die master mould are respectively provided with upper die connecting columns, and the four corners of the upper die master mould are provided with upper die guide sleeves, and the top end of the upper die guide sleeve is provided with an upper die ring.
[0009] Further, the lower die master mould is provided with a lower die cavity, and the sub-mould is arranged in the lower die cavity, and the sub-mould and the lower die master mould are arranged as detachable devices.
[0010] Further, the lower die master die is provided with a lower die connecting frame, and the upper side of the lower die connecting frame is matched with the upper die master die.
[0011] Further, the two sides of the lower die connecting frame are respectively provided with lower die connecting columns, and the four corners of the lower die connecting frame are provided with lower die guide columns which are slidingly connected with upper die guide sleeves.
[0012] Further, the two sides of the lower die master die are respectively provided with lower die lifting lugs which are connected with the lower die master die through bolts.
[0013] Further, the die lifting oil cylinder assembly comprises a lifting oil cylinder and a die lifting plate, the die lifting plate is arranged on the lower die bottom plate, the lifting oil cylinder is arranged at the two sides of the lower die master die respectively, and the two ends of the lifting oil cylinder are respectively connected with the die lifting plate and the lower die bottom plate.
[0014] Further, the die lifting plate is provided with a plurality of die lifting columns which pass through the lower die master die and are slidingly connected with the lower die master die.
[0015] The utility model discloses the following beneficial effects are obtained by adopting the above technical scheme:
[0016] 1. After the hot press forming die is completed, the lifting oil cylinder of the die lifting oil cylinder assembly drives the die lifting plate and the die lifting columns on the die lifting plate to rise upwards, so that the die lifting columns lift the explosion door leaf upwards, thereby realizing the demolding of the explosion door leaf, and the hot press forming die is simple in structure, convenient to operate and capable of accelerating the production speed of the explosion door leaf.
[0017] 2. The hot press forming die is provided, the forming size is large, the product has a certain thickness, the structure is complex, the stable forming of large-size products and complex structures can be facilitated, and the forming defective rate is low. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is the structure schematic view of the hot press forming die of the utility model;
[0019] Figure 2 is the outside schematic view of the upper die assembly of the utility model;
[0020] Figure 3 is the inside schematic view of the upper die assembly of the utility model;
[0021] Figure 4 is the structure schematic view of the lower die assembly of the utility model.
[0022] In the drawings, 1 - upper die assembly, 11 - upper die master die, 12 - flat plate die core, 13 - upper die cavity, 14 - upper die connecting column, 15 - upper die guide sleeve, 16 - upper die ring, 2 - lower die assembly, 21 - lower die base plate, 22 - lift-up oil cylinder assembly, 221 - lift-up oil cylinder, 222 - lift-up plate, 224 - lift-up support, 23 - lower die master die, 24 - lower die support, 25 - sub die, 26 - lower die cavity, 27 - lower die connecting frame, 28 - lower die connecting column, 29 - lower die guide column, 20 - lower die lifting lug. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following preferred embodiments are given with reference to the drawings, and the utility model is further described in detail. However, it should be noted that many details listed in the description are only for the reader to have a thorough understanding of one or more aspects of the utility model, and the aspects of the utility model can be realized even without these specific details.
[0024] As Figures 1-4 shown, a heat press forming die for explosion door leaf, comprising an upper die assembly 1 and a lower die assembly 2, the upper die assembly 1 is arranged on the lower die assembly 2, the upper die assembly 1 comprises an upper die master die 11, the upper die master die 11 is provided with a flat plate die core 12, the lower die assembly 2 comprises a lower die base plate 21, the lower die base plate 21 is provided with a lift-up oil cylinder assembly 22, the upper side of the lift-up oil cylinder assembly 22 is provided with a lower die master die 23, the lower die master die 23 and the lower die base plate 21 are provided with a lower die support 24, the lower die support 24 is used for fixing and supporting the lower die master die 23, the lower die master die 23 is provided with a sub die 25. The heat press forming die of the utility model realizes the demoulding of the explosion door leaf after the moulding is completed by the lift-up oil cylinder assembly 22, the heat press forming die is simple in structure, convenient to operate, and can accelerate the production speed of the explosion door leaf.
[0025] As Figures 2-3As shown, the inner side of the upper die master die 11 is provided with an upper die cavity 13, the flat plate die core 12 is arranged in the upper die cavity 13, and the flat plate die core 12 is arranged in the upper die master die 11 as a detachable device. The flat plate die core 12 is arranged in the upper die master die 11, and the flat plate die core 12 is arranged in the upper die master die 11 as a detachable device, which facilitates the replacement of the corresponding flat plate die core according to different products (explosion door leaves) in the later period. The two sides of the upper die master die 11 are respectively provided with upper die connecting columns 14, and the upper die connecting columns 14 are used for connecting with the upper die assembly 1. The four corners of the upper die master die 11 are provided with upper die guide sleeves 15, and the top ends of the upper die guide sleeves 15 are provided with upper die rings 16. The side edges of the upper die master die 11 are provided with a plurality of recesses recessed inwardly, and the recesses can not only reduce the weight, but also facilitate the removal of the upper die assembly 1 before the mold is lifted. The upper die guide sleeve 15 and the upper die ring 16 serve as upper die lifting lugs, which facilitates the movement of the upper die assembly 1 in daily use.
[0026] As shown in Figure 4 As shown, the lower die master die 23 is provided with a lower die cavity 26, and the sub-die 25 is arranged in the lower die cavity 26. The sub-die 25 is arranged in the lower die master die 23 as a detachable device, which facilitates the replacement of the corresponding sub-die according to different models of products (explosion door leaves) in the later period. The lower die master die 23 is provided with a lower die connecting frame 27, and the upper side of the lower die connecting frame 27 is matched with the upper die master die 11, so that when the upper die master die 11 covers the lower die connecting frame 27, the two can be connected and matched, which is convenient for hot-pressing die working. The two sides of the lower die connecting frame 27 are respectively provided with lower die connecting columns 28, which is convenient for hoisting. The four corners of the lower die connecting frame 27 are provided with lower die guide columns 29, and the lower die guide columns 29 are slidably connected with the upper die guide sleeves 15. When the upper die assembly 1 is placed on the lower die assembly 2, the upper die guide sleeve 15 of the upper die assembly 1 is arranged outside the circumference of the lower die guide column 29 of the lower die assembly 2. The two sides of the lower die master die 23 are respectively provided with lower die lifting lugs 20, and the lower die lifting lugs 20 are connected with the lower die master die 23 through bolts. The lower die lifting lugs 20 are arranged, which facilitates the movement of the lower die assembly 2 in daily use.
[0027] In an embodiment of this utility model, the mold-lifting cylinder assembly 22 includes a lifting cylinder 221 and a mold-lifting plate 222. The mold-lifting plate 222 is disposed on the lower mold base plate 21, and the lifting cylinders 221 are respectively disposed on both sides of the lower mold mother mold 23. When the lifting cylinders 221 are stretched, they drive the mold-lifting plate 222 to rise. After demolding, the lifting cylinders 221 retract, driving the mold-lifting plate 222 to fall down. The two ends of the lifting cylinders 221 are respectively connected to the mold-lifting plate 222 and the lower mold base plate 21. The ejector plate 222 is provided with a plurality of ejector supports 224. When the ejector plate 222 rises, it drives the ejector supports 224 to rise; when the ejector plate 222 falls, it drives the ejector supports 224 to fall. The ejector supports 224 are set through the lower mold mother mold 23 and are slidably connected to the lower mold mother mold 23. The ejector supports 224 pass through the lower mold mother mold 23 and the sub-mold 25 and are slidably connected to the lower mold mother mold 23 and the sub-mold 25 respectively. The ejector plate 222 drives the ejector supports 224 to rise, so that the ejector supports 224 push the product (explosion-proof door leaf) upward, thereby realizing the demolding of the explosion-proof door leaf. The demolding lifting cylinder assembly 22 of this utility model, by setting the lifting cylinder 221, drives the demolding lifting plate 222 and the demolding support column 224 on the demolding lifting plate 222 to rise upward, so that the demolding support column 224 pushes the explosion-proof door leaf upward, thereby realizing the demolding of the explosion-proof door leaf.
[0028] Working principle
[0029] During the production of explosion-proof door panels, the upper mold mother mold 11 of the movable upper mold assembly 1 is used to separate the movable upper mold assembly 1 from the lower mold assembly 2. Flat mold core 12 and sub-mold 25, which are compatible with the explosion-proof door panels, are selected respectively. After the casting is completed, the lifting cylinder 221 of the mold lifting cylinder assembly 22 is activated. The lifting cylinder 221 is stretched, which drives the mold lifting plate 222 and the mold lifting support 224 on the mold lifting plate 222 to rise upward, so that the mold lifting support 224 lifts the explosion-proof door panel upward, thereby realizing the demolding of the explosion-proof door panel.
[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A door leaf hot press forming die for an explosion door, characterized in that: The utility model provides a mould structure, including upper die assembly (1) and lower die assembly (2), upper die assembly (1) sets up on lower die assembly (2), upper die assembly (1) includes upper die master die (11), be provided with flat plate mould core (12) on upper die master die (11), lower die assembly (2) includes lower die base plate (21), be provided with lift-off top lift oil cylinder subassembly (22) on lower die base plate (21), the top of lift-off top lift oil cylinder subassembly (22) is provided with lower die master die (23), be provided with lower die support (24) between lower die master die (23) with lower die base plate (21), be provided with sub -mould (25) on lower die master die (23).
2. A door leaf hot press forming die according to claim 1, characterized in that: The inner side of the upper die master die (11) is provided with an upper die cavity (13), the flat plate mould core (12) is arranged in the upper die cavity (13), and the flat plate mould core (12) and the upper die master die (11) are arranged as detachable devices.
3. A door leaf hot press forming die according to claim 1, characterized in that: The two sides of the upper die master die (11) are respectively provided with upper die connecting columns (14), and the four corners of the upper die master die (11) are provided with upper die guide sleeves (15), and the top ends of the upper die guide sleeves (15) are provided with upper die rings (16).
4. A door leaf hot press forming die according to claim 1, characterized in that: The lower die master die (23) is provided with a lower die cavity (26), and the sub-mould (25) is arranged in the lower die cavity (26), and the sub-mould (25) and the lower die master die (23) are arranged as detachable devices.
5. A door leaf hot press forming die according to claim 1, characterized in that: The lower die master die (23) is provided with a lower die connecting frame (27), and the upper side surface of the lower die connecting frame (27) is matched with the upper die master die (11).
6. A door leaf hot press forming die according to claim 5, characterized in that: The two sides of the lower die connecting frame (27) are respectively provided with lower die connecting columns (28), and the four corners of the lower die connecting frame (27) are provided with lower die guide columns (29), and the lower die guide columns (29) are slidably connected with the upper die guide sleeves (15).
7. A door leaf hot press forming die according to claim 1, characterized in that: The two sides of the lower die master die (23) are respectively provided with lower die lugs (20), and the lower die lugs (20) are connected with the lower die master die (23) through bolts.
8. A door leaf hot press forming die according to claim 1, characterized in that: The lift-off top lift oil cylinder subassembly (22) includes a top lift oil cylinder (221) and a lift-off top plate (222), the lift-off top plate (222) is arranged on the lower die base plate (21), and the top lift oil cylinder (221) is arranged on the two sides of the lower die master die (23), and the two ends of the top lift oil cylinder (221) are respectively connected with the lift-off top plate (222) and the lower die base plate (21).
9. A door leaf hot press forming die according to claim 8, characterized in that: The lift-off top plate (222) is provided with a plurality of lift-off support columns (224), the lift-off support columns (224) pass through the lower die master die (23) and are slidably connected with the lower die master die (23).