CN218256458U

CN218256458U - Vacuum injection molding soft and hard die

Info

Publication number: CN218256458U
Application number: CN202222331163.0U
Authority: CN
Inventors: 朱俊胜; 罗毅
Original assignee: Guangdong Shunde Huachuang Seiko Rapid Prototyping Technology Co ltd
Current assignee: Guangdong Shunde Huachuang Seiko Rapid Prototyping Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-10
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a soft or hard mould of vacuum injection moulding, concretely relates to mould technical field, including PMKD, the PMKD top is provided with the bed die that is used for liquid PV to take shape, the bed die top is provided with the last mould that cooperation self takes shape liquid PV, a plurality of guide bars of PMKD top fixedly connected with, a plurality of sleeves that are used for installing reset spring of PMKD top fixedly connected with, the utility model discloses in be provided with guide bar and silica gel piece, the bed die is opened outside the mould groove and is equipped with the seal groove that is used for installing the sealing ring, and the mounting groove that is used for connecting the silica gel piece is offered in the mould groove four corners of bed die, goes up mould bottom fixedly connected with and seal groove assorted sealing ring, and in the sealing ring got into the seal groove, improves the leakproofness in the mould, and the silica gel piece in the mould can guarantee with liquid PV contact site's product finished product can be very smooth, reaches the effect that the product needs, satisfies user's demand, improves production quality.

Description

Vacuum injection molding soft and hard die

Technical Field

The utility model relates to the technical field of mold, specifically a soft or hard mould of vacuum injection moulding.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is main molding equipment for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, and the injection molding is realized by the injection molding machine and the die;

the following problems exist in the prior art:

under the prior art, there is certain defect in current injection mold, and during vacuum injection molding, because be the mortgage tubular column, material liquid PV foams easily at the mould corner, can influence off-the-shelf pleasing to the eye to lead to becoming the substandard product, and, current injection mold is not convenient for the drawing of patterns, and the unable quick drawing of patterns of finished product after the injection moulding needs manual operation, and for this reason, we propose a vacuum and annotate soft or hard mould of moulding plastics and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does:

the utility model provides a soft or hard mould of vacuum injection molding, includes PMKD, the PMKD top is provided with the bed die that is used for liquid PV to take shape, the bed die top is provided with the last mould that cooperation self takes shape liquid PV, a plurality of guide bars that are used for the stable bed die of PMKD top fixedly connected with, a plurality of sleeves that are used for installing reset spring of PMKD top fixedly connected with, sleeve inner chamber bottom and reset spring one end fixed connection, reset spring top fixedly connected with is used for bearing the backup pad of bed die.

Preferably, a plurality of the guide rods are uniformly distributed around the axis of the fixed bottom plate, and a plurality of the sleeves are uniformly arranged on the surface of the fixed bottom plate.

Preferably, a plurality of first guiding holes matched with the guiding rods are formed in the surface of the lower die, the hole walls of the first guiding holes are connected with the guiding rods in a sliding mode, and a sealing groove used for installing a sealing ring is formed outside the die groove of the lower die.

Preferably, the four corners of the die groove of the lower die are provided with mounting grooves for connecting silica gel blocks, the silica gel blocks are connected with the mounting grooves in a sliding manner, and the silica gel blocks are fixedly connected with the wall of the lower die groove through glue.

Preferably, the upper die comprises a group of second guide holes matched with the guide rods, the second guide holes Kong Guan penetrate through the upper die, the hole walls of the second guide holes are connected with the guide rods in a sliding mode, and the bottom of the upper die is fixedly connected with a sealing ring matched with the sealing groove.

Preferably, sealing ring and seal groove cell wall sliding connection, the hole of moulding plastics that is used for pouring into liquid PV is seted up on the upper die surface, the hole of moulding plastics runs through the mould and extends to inside the mould, it sets up the intercommunicating pore that the formation of vacuum is taken out to the air of being convenient for at last mould top.

Preferably, a connecting pipe used for being connected with an air pump is arranged at the top of the communicating hole, the connecting pipe is fixedly connected with the upper die, one end, far away from the upper die, of the connecting pipe is communicated with the air pump, and the air pump is fixedly connected with one side of the upper die through a bolt.

By adopting the technical scheme, the utility model discloses the beneficial effect who gains does:

the utility model discloses in be provided with guide bar and silica gel piece, a plurality of and the first guiding hole of guide bar assorted are seted up on the bed die surface, first guiding hole pore wall and guide bar sliding connection, the bed die is opened outside the mould groove and is equipped with the seal groove that is used for installing the sealing ring, the mounting groove that is used for connecting the silica gel piece is offered in the mould groove four corners of bed die, go up mould bottom fixedly connected with and seal groove assorted sealing ring, the sealing ring gets into in the seal groove, improve the leakproofness in the mould, the silica gel piece in the mould can guarantee can be smooth very much with liquid PV contact part's product finished product, reach the effect that the product needs, satisfy user's demand, and the production quality is improved.

Drawings

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

Fig. 2 is a schematic view of the structure of the fixing bottom plate of the present invention.

Fig. 3 is a schematic view of the upper mold structure of the present invention.

Fig. 4 is a schematic view of the sealing ring structure of the present invention.

Fig. 5 is a schematic view of the lower mold structure of the present invention.

In the figure: 1. fixing the bottom plate; 11. a guide rod; 12. a sleeve; 13. a return spring; 14. a support plate; 2. a lower die; 21. a first guide hole; 22. a sealing groove; 23. mounting grooves; 24. a silica gel block; 3. an upper die; 31. a second guide hole; 32. a seal ring; 33. injection molding holes; 34. a communicating hole; 35. a connecting pipe; 36. an air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a soft or hard mould of vacuum injection molding, including PMKD 1, PMKD 1 top is provided with the bed die 2 that is used for liquid PV to take shape, 2 tops of bed die are provided with the last mould 3 that cooperation self takes shape liquid PV, a plurality of guide bars 11 that are used for stable bed die 2 of 1 top fixedly connected with of PMKD, a plurality of sleeves 12 that are used for installing reset spring 13 of 1 top fixedly connected with of PMKD, sleeve 12 inner chamber bottom and reset spring 13 one end fixed connection, reset spring 13 top fixedly connected with is used for bearing backup pad 14 of bed die 2, under reset spring 13's elasticity support, it is more stable when moulding plastics.

Further, a plurality of guide rods 11 are uniformly distributed around the axis of the fixed base plate 1, a plurality of sleeves 12 are uniformly arranged on the surface of the fixed base plate 1, a plurality of first guide holes 21 matched with the guide rods 11 are formed in the surface of the lower die 2, the hole wall of each first guide hole 21 is slidably connected with the guide rods 11, the lower die 2 is close to the fixed base plate 1, the positions of the first guide holes 21 and the guide rods 11 are overlapped, the support plate 14 is arranged along the guide rods 11, a sealing groove 22 for installing a sealing ring 32 is formed outside the die groove of the lower die 2, mounting grooves 23 for connecting silica gel blocks 24 are formed in four corners of the die groove of the lower die 2, the silica gel blocks 24 are slidably connected with the mounting grooves 23, the silica gel blocks 24 are fixedly connected with the groove wall of the lower die 2 through glue, and when liquid PV is formed in the die, the silica gel blocks 24 in the die can ensure that a product in a contact part with the liquid PV can be particularly smooth.

Further, the upper mold 3 comprises a group of second guide holes 31 matched with the guide rods 11, the group of second guide holes 31 penetrates through the upper mold 3, the hole wall of each second guide hole 31 is slidably connected with the corresponding guide rod 11, the upper mold 3 is close to the lower mold 2 and is arranged on the lower mold 2 along the guide rods 11, a sealing ring 32 matched with the sealing groove 22 is fixedly connected to the bottom of the upper mold 3, the sealing ring 32 is slidably connected with the groove wall of the sealing groove 22, the sealing ring 32 enters the sealing groove 22 to improve the sealing performance in the mold, an injection hole 33 used for injecting liquid PV is formed in the surface of the upper mold 3, the injection hole 33 penetrates through the upper mold 3 and extends into the mold to perform injection molding through the injection hole 33, a communicating hole 34 convenient for air to be pumped out to form vacuum is formed in the top of the upper mold 3, a connecting pipe 35 used for connecting with an air pump 36 is arranged at the top of the communicating hole 34, the connecting pipe 35 is fixedly connected with the upper mold 3, one end, far away from the connecting pipe 35, is communicated with the air pump 36, the air pump 36 is fixedly connected with one side of the upper mold 3 through a bolt, and the air pump 36 can exhaust air in the injection molding.

The working principle is as follows: when the device is used, the lower die 2 is close to the fixed base plate 1, the first guide hole 21 is overlapped with the guide rod 11, the support plate 14 is arranged on the guide rod 11, the lower die is supported by the elastic force of the return spring 13 and is more stable during injection molding, the upper die 3 is close to the lower die 2, the lower die 2 is arranged on the guide rod 11, the sealing ring 32 enters the sealing groove 22, the sealing performance in the die is improved, injection molding is carried out through the injection molding hole 33, the air suction pump 36 is started to evacuate air in the die, when liquid PV is formed in the die, the silica gel block 24 in the die can ensure that a finished product in a contact part with the liquid PV is particularly smooth, and the effect required by the product is achieved.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a soft or hard mould of vacuum injection molding, its characterized in that, includes PMKD (1), PMKD (1) top is provided with bed die (2) that are used for liquid PV to take shape, bed die (2) top is provided with the last mould (3) of the shaping liquid PV of cooperation self, PMKD (1) top fixedly connected with a plurality of guide bars (11) that are used for stable bed die (2), PMKD (1) top fixedly connected with a plurality of sleeves (12) that are used for installing reset spring (13), sleeve (12) inner chamber bottom and reset spring (13) one end fixed connection, reset spring (13) top fixedly connected with is used for bearing backup pad (14) of bed die (2).

2. A vacuum injection soft and hard mold according to claim 1, characterized in that a plurality of the guide rods (11) are uniformly distributed around the axis of the fixed base plate (1), and a plurality of the sleeves (12) are uniformly arranged on the surface of the fixed base plate (1).

3. The vacuum injection molding soft and hard die mold according to claim 1, wherein the surface of the lower mold (2) is provided with a plurality of first guide holes (21) matched with the guide rods (11), the hole walls of the first guide holes (21) are slidably connected with the guide rods (11), and the lower mold (2) is provided with a sealing groove (22) for installing a sealing ring (32) outside the mold groove.

4. A vacuum injection soft and hard mold according to claim 3, characterized in that the four corners of the mold groove of the lower mold (2) are provided with mounting grooves (23) for connecting silica gel blocks (24), the silica gel blocks (24) are slidably connected with the mounting grooves (23), and the silica gel blocks (24) are fixedly connected with the groove wall of the lower mold (2) through glue.

5. The vacuum injection molding soft and hard die mold according to claim 1, wherein the upper mold (3) comprises a set of second guide holes (31) matched with the guide rods (11), the set of second guide holes (31) penetrates through the upper mold (3), the hole walls of the second guide holes (31) are slidably connected with the guide rods (11), and the bottom of the upper mold (3) is fixedly connected with a sealing ring (32) matched with the sealing groove (22).

6. The vacuum injection molding soft and hard mold according to claim 5, wherein the sealing ring (32) is slidably connected with the groove wall of the sealing groove (22), an injection hole (33) for injecting liquid PV is formed in the surface of the upper mold (3), the injection hole (33) penetrates through the upper mold (3) and extends into the mold, and a communication hole (34) facilitating air to be pumped out to form vacuum is formed in the top of the upper mold (3).

7. The vacuum injection molding soft and hard die mold according to claim 6, wherein a connecting pipe (35) for connecting a suction pump (36) is arranged at the top of the communicating hole (34), the connecting pipe (35) is fixedly connected with the upper die (3), one end of the connecting pipe (35) far away from the upper die (3) is communicated with the suction pump (36), and the suction pump (36) is fixedly connected with one side of the upper die (3) through a bolt.