阅读说明：本技术 一种热压成型模具及其方法 (Hot-pressing forming die and method thereof ) 是由 肖璐 胡根杰 陈枫 于 2021-08-04 设计创作，主要内容包括：本发明公开了一种热压成型模具及其方法,包括顶端上模,所述顶端上模的左右两侧均开设有侧边凹口,所述侧边凹口的内部开设有减压开口,所述顶端上模的顶端固定连接有竖立杆,所述竖立杆的顶端活动连接有固定顶板,所述固定顶板的顶端中段固定连接有电动机,所述电动机的底端活动连接有螺旋杆,所述螺旋杆的底端外侧活动连接有卡合压板。该热压成型模具及其方法,减压开口能够保证模具内部的气压与外部保持平衡,方便模具脱模保持便捷,侧边凹口的设置便于顶端上模保持拼接效果,竖立杆能够在使用时增加顶端固定顶板的稳定性,同时电动机能够带动螺旋杆进行转动,帮助螺旋杆升降,用于对模具内部加压,提高了模具内部的成型效果。(The invention discloses a hot-press forming die and a hot-press forming method thereof, wherein the hot-press forming die comprises a top end upper die, side notches are formed in the left side and the right side of the top end upper die, a pressure reduction opening is formed in each side notch, a vertical rod is fixedly connected to the top end of the top end upper die, a fixed top plate is movably connected to the top end of the vertical rod, a motor is fixedly connected to the middle section of the top end of the fixed top plate, a spiral rod is movably connected to the bottom end of the motor, and a clamping pressing plate is movably connected to the outer side of the bottom end of the spiral rod. This hot briquetting mould and method, decompression opening can guarantee that the inside atmospheric pressure of mould keeps balanced with the outside, makes things convenient for the mould drawing of patterns to keep convenient, and the mould keeps the concatenation effect on the top of being convenient for in the setting of side notch, and the pole that erects can increase the stability of the fixed roof of top when using, and the motor can drive the hob and rotate simultaneously, and the help hob goes up and down for pressurize the mould is inside, improved the inside shaping effect of mould.)

1. A hot-press forming die and a method thereof comprise a top end upper die (1), and are characterized in that: the left side and the right side of the top die (1) are both provided with side notches (2), a decompression opening (3) is formed in the side notches (2), the top end of the top die (1) is fixedly connected with a vertical rod (4), the top end of the vertical rod (4) is movably connected with a fixed top plate (5), the top middle section of the fixed top plate (5) is fixedly connected with a motor (6), the bottom end of the motor (6) is movably connected with a spiral rod (7), the bottom outer side of the spiral rod (7) is movably connected with a clamping pressing plate (8), the bottom end of the spiral rod (7) is fixedly connected with a rotary rod (9), the bottom end of the rotary rod (9) is movably connected with a pressurizing pressing plate (10), the bottom end of the pressurizing pressing plate (10) is fixedly connected with a heating plate (11), and the inner part of the spiral rod (7) is fixedly connected with an adjusting center (12), the inside fixedly connected with temperature control center (13) of pressurization clamp plate (10), the inside swing joint in the bottom left and right sides of mould (1) has support side lever (24) on the top, lower mould (14) is connected to the bottom fixedly connected with of support side lever (24), decompression side opening (22) have been seted up to the left and right sides of connecting lower mould (14), the inside swing joint of decompression side opening (22) has pressfitting pole (15), condensation hole (16) have been seted up to the bottom inside of connecting lower mould (14), the inside swing joint in top of connecting lower mould (14) has hot pressing mould (17), the inside of hot pressing mould (17) has from left to right set gradually the feedstock pipe mouth (18) and has led hot wire (19), die cavity (20) have been seted up to the bottom inside of hot pressing mould (17), die cavity (21) have been seted up to the top inside of connecting lower mould (14), the inner walls of the left side and the right side of the lower connecting die (14) are fixedly connected with rebound bottom blocks (23).

2. A hot press molding die and a method thereof according to claim 1, wherein: the number that side recess (2) set up is two, decompression opening (3) are bilateral symmetry's cavity form design, decompression opening (3) and top mould (1) inside run through each other.

3. A hot press molding die and a method thereof according to claim 1, wherein: the number that sets up of vertical pole (4) is four, and vertical pole (4) inside is the telescopic design, motor (6) are connected for the pivot with hob (7).

4. A hot press molding die and a method thereof according to claim 1, wherein: the external thread of the screw rod (7) is connected with the internal thread of the clamping pressing plate (8) in an embedded mode, the two sides of the clamping pressing plate (8) are designed to be opened, the clamping pressing plate (8) is connected with the top end upper die (1) in a sleeved mode, and the clamping pressing plate (8) is designed in a T shape.

5. A hot press molding die and a method thereof according to claim 1, wherein: the pressurizing press plate (10) is connected with the screw rod (7) through a rotating shaft, the heating plate (11) is electrically connected with the temperature control center (13), and the temperature control center (13) is electrically connected with the adjusting center (12).

6. A hot press molding die and a method thereof according to claim 1, wherein: pressfitting pole (15) are established for the cover with decompression side opening (22) and are connected, decompression side opening (22) with be connected lower mould (14) inside and run through each other, the quantity that condensation hole (16) set up is five, five condensation holes (16) are equidistant design, and condensation hole (16) with be connected lower mould (14) inside and run through each other.

7. A hot press molding die and a method thereof according to claim 1, wherein: hot pressing moulding-die (17) and connecting lower mould (14) establish for the cover and be connected, the quantity that feeding pipe mouth (18) set up is six, six feeding pipe mouth (18) inside designs for leaking hopper-shaped, feeding pipe mouth (18) and last die cavity (20) run through each other.

8. A hot press molding die and a method thereof according to claim 1, wherein: the heat conducting metal wires (19) are designed at equal intervals, the heat conducting metal wires (19) are integrally connected with the hot pressing die (17), and the number of the rebound bottom blocks (23) is two.

9. A hot press molding die and a method thereof according to claim 1, wherein: the quantity that supports side lever (24) and set up is two, and supports side lever (24) and mould (1) for the cover establish the connection on the top.

Technical Field

The invention relates to the technical field of hot-press forming dies, in particular to a hot-press forming die and a method thereof.

Background

Hot press forming is a simple and common processing method in the plastic processing industry, which mainly comprises heating a processing mold, injecting a sample, fixing a mold on a heating plate under pressure, controlling the melting temperature and time of the sample to achieve solidification and cooling after melting, and taking out the mold product. The hot press molding may be divided into vacuum molding and compression molding, and the pressing manner is different. Most of compression molding is to place plastic in a mold, heat and soften the plastic, and then apply pressure to mold the plastic. The pressure source applied in vacuum forming can be single-side vacuum pumping, or one side is vacuum pumping, and the other side is high pressure. Compared with other processing methods, the hot press molding has the advantages of cheap mold, uniform thickness of finished products and the like, and the products can be made into linings of refrigerator doors, automobile mudguard, automobile chassis, soft drinking cups, nameplates, packaging materials and other products with uniform thickness from early military map models and airplane hoods.

However, the existing mold does not have a good effect of continuous hot pressing when in use, so that the molding effect of the mold is reduced, and the general mold is cracked due to uneven heating of the mold inside the mold after hot pressing, so that the yield of the mold is not guaranteed, and meanwhile, the pressing effect of the general molding mold is not good, and the pressing effect of the mold is not increased.

Disclosure of Invention

The invention aims to provide a hot-press forming die and a method thereof, and aims to solve the problems that the existing die in the background art does not have a good continuous hot-press effect when in use, the forming effect of the die is reduced, the die in the general die is easy to crack due to uneven heating after the general die is not subjected to hot pressing, the die yield is not ensured, and the pressing effect of the general forming die is not good and the pressing effect of the die is not increased.

In order to achieve the purpose, the invention provides the following technical scheme: a hot-press forming die and a method thereof comprise a top upper die, wherein side notches are respectively arranged at the left side and the right side of the top upper die, a pressure reducing opening is arranged inside each side notch, a vertical rod is fixedly connected to the top end of the top upper die, a fixed top plate is movably connected to the top end of the vertical rod, a motor is fixedly connected to the middle section of the top end of the fixed top plate, a screw rod is movably connected to the bottom end of the motor, a clamping pressure plate is movably connected to the outer side of the bottom end of the screw rod, a rotary rod is fixedly connected to the bottom end of the screw rod, a pressurizing pressure plate is movably connected to the bottom end of the rotary rod, a heating plate is fixedly connected to the bottom end of the pressurizing pressure plate, an adjusting center is fixedly connected to the inside of the screw rod, a temperature control center is fixedly connected to the inside of the pressurizing pressure plate, and supporting side rods are movably connected to the inside of the left side and the right side of the bottom end of the top upper die, the bottom fixedly connected with of support side lever connects the lower mould, the left and right sides of connecting the lower mould has seted up the decompression side opening, the inside swing joint of decompression side opening has the pressfitting pole, connect the inside condensation hole of having seted up in bottom of lower mould, the inside swing joint in top of connecting the lower mould has hot pressing mould, the inside of hot pressing mould has from left to right set gradually the feeding mouth of pipe and has led the hot wire, the die cavity has been seted up to the bottom of hot pressing mould is inside, connect the inside die cavity down of having seted up in top of lower mould, connect the equal fixedly connected with bottom block that kick-backs of the left and right sides inner wall department of lower mould.

Preferably, the number of the side notches is two, the decompression opening is designed in a hollow shape which is symmetrical left and right, and the decompression opening and the inner part of the top end upper die are mutually penetrated.

Preferably, the number that vertical rod set up is four, and the inside telescopic design that is of vertical rod, the motor is connected for the pivot with the hob.

Preferably, the external thread of the screw rod is connected with the internal thread of the clamping pressure plate in a jogged mode, the two sides of the clamping pressure plate are designed to be provided with openings, the clamping pressure plate is connected with the top end upper die in a sleeved mode, and the clamping pressure plate is designed in a T shape.

Preferably, the pressurizing pressure plate is connected with the screw rod through a rotating shaft, the heating plate is electrically connected with the temperature control center, and the temperature control center is electrically connected with the adjusting center.

Preferably, the pressfitting pole is established for the cover with the decompression side opening and is connected, decompression side opening with be connected the inside interpenetration of lower mould, the quantity that the condensation hole set up is five, five condensation holes are equidistant design, and the condensation hole with be connected the inside interpenetration of lower mould.

Preferably, the hot pressing mould is established for the cover with being connected the lower mould and is connected, the quantity that the feedstock pipe mouth set up is six, and six feedstock pipe mouth are inside for the design of leaking hopper-shaped, feedstock pipe mouth and last die cavity run through each other.

Preferably, the heat conducting metal wires are designed at equal intervals, the heat conducting metal wires are integrally connected with the hot pressing die, and the number of the rebound bottom blocks is two.

Preferably, the number that the support side lever set up is two, and support side lever and mould establish the connection for the cover on the top.

Compared with the prior art, the invention has the beneficial effects that: the hot-pressing forming die and the method thereof have the advantages that the pressure reducing opening can ensure that the air pressure inside the die is kept balanced with the outside, the demolding of the die is convenient and fast, the arrangement of the side notches is convenient for the top end upper die to keep the splicing effect, the vertical rod can increase the stability of the top end fixed top plate when in use, meanwhile, the motor can drive the screw rod to rotate to help the screw rod to lift and lower for pressurizing the inside of the die and improving the forming effect of the inside of the die, the clamping pressing plate and the top end upper die are mutually pressed, the pressing stability of the pressing plate is further increased, the clamping pressing plate is convenient to keep the splicing effect when in use, the pressing plate is used for pressing the hot-pressing die at the bottom end, the forming effect of the die is improved, the heating plate can heat, the inside of the hot-pressing die is ensured to be uniformly heated, the heating uniformity of the inside of the die is ensured, and the pressing rod can be inserted into the pressure reducing side hole, the inside pressure balance that keeps of help mould, the inside cooling effect of mould has been guaranteed at the bottom to the condensation hole simultaneously, the article fast demoulding after the help shaping, hot pressing moulding-die can laminate each other with being connected the lower mould when using, lower die cavity and last die cavity are laminated each other, the shaping effect of mould has been increased, the feedstock pipe mouth can connect the material to enter into inside the die cavity, further improve the effect of pouring of mould, the resilience bottom piece can kick-back, avoid hot pressing moulding-die with connect too inseparable of lower mould laminating, the effect that the mould was opened has been reduced, heat conduction wire can heat conduction, help whole hot pressing moulding-die to be heated evenly, be favorable to improving the practicality of mould, the support side lever can support the mould on the top, and also can guarantee the compactness of connecting between two upper and lower moulds at the in-process of installation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic front view of the internal structure of the present invention;

FIG. 4 is a schematic top view of the protective housing of the present invention;

FIG. 5 is a schematic top view of the connecting lower mold of the present invention;

FIG. 6 is a schematic top view of the hot pressing mold according to the present invention;

FIG. 7 is a front internal view of the pressurized platen of the present invention;

FIG. 8 is a side view of the present invention.

In the figure: 1. a top end upper die; 2. a side notch; 3. a reduced pressure opening; 4. a vertical rod; 5. fixing a top plate; 6. an electric motor; 7. a screw rod; 8. clamping the pressing plate; 9. rotating the rod; 10. pressing a pressure plate; 11. heating plates; 12. adjusting the center; 13. a temperature control center; 14. connecting the lower die; 15. pressing the rods; 16. a condensation hole; 17. hot-pressing and pressing the die; 18. a feed tube orifice; 19. a heat conductive wire; 20. an upper cavity; 21. a lower cavity; 22. a pressure relief side aperture; 23. rebounding the bottom block; 24. and supporting the side rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a hot-press forming die and a method thereof, comprising a top upper die 1, wherein the left side and the right side of the top upper die 1 are both provided with side notches 2, the inside of each side notch 2 is provided with a decompression opening 3, the top end of the top upper die 1 is fixedly connected with a vertical rod 4, the top end of the vertical rod 4 is movably connected with a fixed top plate 5, the middle section of the top end of the fixed top plate 5 is fixedly connected with a motor 6, the bottom end of the motor 6 is movably connected with a screw rod 7, the outside of the bottom end of the screw rod 7 is movably connected with a clamping pressure plate 8, the bottom end of the screw rod 7 is fixedly connected with a rotary rod 9, the bottom end of the rotary rod 9 is movably connected with a pressurizing pressure plate 10, the bottom end of the pressurizing pressure plate 10 is fixedly connected with a heating plate 11, the inside of the screw rod 7 is fixedly connected with an adjusting center 12, the inside of the pressurizing pressure plate 10 is fixedly connected with a temperature control center 13, the inside of the left side and the right side of the bottom end of the top upper die 1 is movably connected with a supporting side lever 24, support side lever 24's bottom fixedly connected with and connect lower mould 14, connect the left and right sides of lower mould 14 and seted up decompression side hole 22, decompression side hole 22's inside swing joint has pressfitting pole 15, connect the inside condensation hole 16 of having seted up in bottom of lower mould 14, the inside swing joint in top of connecting lower mould 14 has hot pressing moulding-die 17, hot pressing moulding-die 17's inside has from left to right set gradually the mouth of pipe 18 of feeding and heat conduction wire 19, cavity 20 has been seted up to hot pressing moulding-die 17's bottom is inside, connect the inside lower cavity 21 of having seted up in top of lower mould 14, connect the equal fixedly connected with bottom brick 23 that kick-backs in left and right sides inner wall department of lower mould 14.

In the invention: the number of the side notches 2 is two, the decompression opening 3 is designed in a hollow shape which is symmetrical left and right, and the decompression opening 3 and the inside of the top end upper die 1 are mutually penetrated; decompression opening 3 can guarantee that the inside atmospheric pressure of mould keeps balanced with the outside, makes things convenient for the mould drawing of patterns to keep convenient, and mould 1 keeps the concatenation effect on the top of being convenient for in the setting of side notch 2.

In the invention: the number of the vertical rods 4 is four, the interior of each vertical rod 4 is designed to be telescopic, and the motor 6 is connected with the screw rod 7 through a rotating shaft; the vertical rod 4 can increase the stability of the top fixing top plate 5 when in use, and the motor 6 can drive the screw rod 7 to rotate, so that the screw rod 7 can be lifted and lowered for pressurizing the inside of the die, and the forming effect of the inside of the die is improved.

In the invention: the external thread of the screw rod 7 is in embedded connection with the internal thread of the clamping pressure plate 8, the two sides of the clamping pressure plate 8 are in an opening design, the clamping pressure plate 8 is in sleeved connection with the top end upper die 1, and the clamping pressure plate 8 is in a T-shaped design; the clamping pressing plate 8 and the top end upper die 1 are mutually pressed, the pressing stability of the pressing plate 10 is further improved, and the clamping pressing plate 8 is convenient to maintain the detaching effect when in use.

In the invention: the pressurizing pressure plate 10 is connected with the screw rod 7 as a rotating shaft, the heating plate 11 is electrically connected with the temperature control center 13, and the temperature control center 13 is electrically connected with the adjusting center 12; the pressurizing pressing plate 10 is used for pressing the hot pressing die 17 at the bottom end, so that the molding effect of the mold is improved, the heating plate 11 can be heated, the inside of the hot pressing die 17 is uniformly heated, and the heating uniformity inside the mold is ensured.

In the invention: the pressing rod 15 is sleeved and connected with the pressure-reducing side hole 22, the pressure-reducing side hole 22 is mutually penetrated through the interior of the connecting lower die 14, the number of the condensation holes 16 is five, the five condensation holes 16 are designed at equal intervals, and the condensation holes 16 are mutually penetrated through the interior of the connecting lower die 14; the pressing rod 15 can be inserted into the pressure-reducing side hole 22 to help the interior of the mold keep internal pressure balance, and meanwhile, the condensation hole 16 ensures the cooling effect of the interior of the mold at the bottom end to help the molded object to be rapidly demolded.

In the invention: the hot-pressing die 17 is connected with the lower connecting die 14 in a sleeved mode, the number of the feeding pipe orifices 18 is six, the interiors of the six feeding pipe orifices 18 are in a funnel-shaped design, and the feeding pipe orifices 18 and the upper cavity 20 penetrate through each other; the hot pressing die 17 can be attached to the lower connecting die 14 when in use, the lower cavity 21 and the upper cavity 20 are attached to each other, the forming effect of the die is improved, the feeding pipe opening 18 can receive materials to enter the upper cavity 20, and the pouring effect of the die is further improved.

In the invention: the heat conducting metal wires 19 are designed at equal intervals, the heat conducting metal wires 19 are integrally connected with the hot pressing die 17, and the number of the rebound bottom blocks 23 is two; the bottom block 23 of kick-backing can kick-back, avoids hot pressing moulding-die 17 and the too inseparable of being connected 14 laminating of lower mould, has reduced the effect that the mould was opened, and heat conduction wire 19 can heat conduction, and the whole hot pressing moulding-die 17 of help is heated evenly, is favorable to improving the practicality of mould.

In the invention: the number of the supporting side rods 24 is two, and the supporting side rods 24 are connected with the top end upper die 1 in a sleeved mode; the supporting side bars 24 can support the top upper mould 1 and also ensure the tightness of the connection between the upper and lower moulds during the installation.

The working principle is as follows: in the use process of the invention, the top end upper die 1 at the top end needs to be taken out firstly, raw materials to be poured are poured into the die from the feeding pipe opening 18, the effect of tightly inserting and combining the pressing rods 15 at two sides of the side end needs to be ensured in the pouring process, the top end upper die 1 at the top end can be clamped and arranged at the top end of the lower connecting die 14 after the insertion is finished, the top end upper die 1 is connected with electricity, thus the motor 6 can rotate to drive the spiral rod 7 to rotate, the pressurizing press plate 10 can be arranged at the top end of the hot pressing die 17, the normal combination of materials in the die is ensured, the forming effect of the die is improved, the heating plate 11 can also be heated, the heating wire 19 is conducted into the upper die cavity 20, the constant temperature effect in the device is ensured, the spiral rod 7 can be rotated reversely after the inner die is formed, the pressurizing press plate 10 is lifted up, subsequently take off the top and go up mould 1 to take out pressfitting pole 15, help the inside exhaust of mould, take out hot pressing mould 17 at last, with the mould inside the mould take out can, this mould can recycle, has improved its life.

In summary, the following steps: the hot-pressing forming die and the method thereof, the pressure reducing opening 3 can ensure that the air pressure inside the die keeps balance with the outside, the demoulding of the die is convenient and fast, the arrangement of the side notch 2 is convenient for the top end upper die 1 to keep splicing effect, the vertical rod 4 can increase the stability of the top end fixed top plate 5 when in use, meanwhile, the motor 6 can drive the screw rod 7 to rotate, the screw rod 7 is helped to lift and lower for pressurizing the inside of the die, the forming effect inside the die is improved, the clamping pressure plate 8 and the top end upper die 1 are mutually pressed, the pressing stability of the pressure plate 10 is further increased, the clamping pressure plate 8 is convenient to keep the detaching effect when in use, the pressure plate 10 is used for pressing the hot-pressing die 17 at the bottom end, the forming effect of the die is improved, the heating plate 11 can be heated, the internal heating uniformity of the hot-pressing die 17 is ensured, and the heating uniformity inside the die is ensured, the pressing rod 15 can be inserted into the pressure-reducing side hole 22 to help the interior of the mold keep the internal pressure balance, meanwhile, the cooling effect of the interior of the mold is guaranteed at the bottom of the condensation hole 16, rapid demolding of a molded article is facilitated, the hot-pressing mold 17 can be mutually attached to the lower connecting mold 14 in use, the lower cavity 21 and the upper cavity 20 are mutually attached, the molding effect of the mold is increased, the feeding pipe opening 18 can be connected to enter the upper cavity 20, the pouring effect of the mold is further improved, the rebound bottom block 23 can rebound, the hot-pressing mold 17 is prevented from being too tight in attachment with the lower connecting mold 14, the mold opening effect is reduced, the heat conducting metal wire 19 can conduct heat, the whole hot-pressing mold 17 is helped to be heated uniformly, the practicability of the mold is improved, the supporting side rods 24 can support the upper mold 1 at the top, and the tightness of connection between the upper mold and the lower mold can be guaranteed in the installation process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.