CN221475904U

CN221475904U - Precise injection mold for rubber parts

Info

Publication number: CN221475904U
Application number: CN202323176173.2U
Authority: CN
Inventors: 王军
Original assignee: Shanghai Daoen Mold Co ltd
Current assignee: Shanghai Daoen Mold Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-08-06
Anticipated expiration: 2033-11-23

Abstract

The utility model relates to the technical field of rubber part processing, and discloses a precise injection mold for rubber parts, which comprises a lower mold, an upper mold and a limiting plate, wherein a placing groove is formed in the top of the lower mold, first mold cavities are formed in two ends of the placing groove, and shunt ports are formed in two ends of the first mold cavities. According to the utility model, the metal piece is placed in the placing groove and positioned at the top of the first die cavity, the upper die is controlled to descend and the lower die is controlled to be clamped, so that the second die cavity and the first die cavity are both clung to the metal piece and positioned on two sides of the metal piece, and meanwhile, the sealing ring is extruded, and a sealing effect can be achieved; the rubber solution is injected into the inside of the communication port and the shunt port through the injection molding port, the rubber solution can flow into the first die cavity and the second die cavity which are positioned on the two sides of the metal piece respectively through the communication port and the shunt port which are arranged at the two ends, and the injection molding method can be used for simultaneously molding on the two sides of the metal piece, so that the one-step molding positioning is accurate, and the production efficiency is high.

Description

Precise injection mold for rubber parts

Technical Field

The utility model relates to the technical field of rubber part processing, in particular to a precise injection mold for rubber parts.

Background

The device refers to an industrial product used in the production and management process by an industrial purchaser, and comprises fixing equipment, auxiliary equipment and the like, wherein the device is formed by assembling various parts, and in the process of producing the parts, the situation that rubber parts are arranged on two sides of a metal part frequently occurs.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides the precise injection mold for the rubber parts, which has the advantage of high production efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a accurate injection mold of rubber parts, includes bed die, goes up mould and limiting plate, the standing groove has been seted up at the top of bed die, the both ends of standing groove all are provided with first die cavity, the shunt opening has all been seted up at the both ends of first die cavity, fixed mounting has the exhaust tube on the bed die, first air vent has been seted up on the exhaust tube, the bottom of going up the mould is provided with the second die cavity, the intercommunication mouth has all been seted up at the both ends of second die cavity, the top fixed mounting of going up the mould has the mounting panel, the mouth of moulding plastics has been seted up on the mounting panel.

As a preferable technical scheme of the utility model, guide posts are fixedly arranged at four corners on the upper die, and sockets are arranged at four corners on the lower die.

As a preferable technical scheme of the utility model, a lower screw hole is formed in the lower die, and an upper screw hole is formed in the mounting plate;

The upper end and the lower end of the limiting plate are both movably connected with bolts.

As a preferable technical scheme of the utility model, the injection molding port and the communicating port shunt port are communicated.

As a preferable technical scheme of the utility model, the top of the lower die is fixedly connected with a sealing ring, the sealing ring is made of rubber material, and the sealing ring encloses the placing groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the metal piece is placed in the placing groove and positioned at the top of the first die cavity, the upper die is controlled to descend and the lower die is controlled to be clamped, so that the second die cavity and the first die cavity are both clung to the metal piece and positioned on two sides of the metal piece, and meanwhile, the sealing ring is extruded, and a sealing effect can be achieved; in the descending process of the upper die, the guide posts at four corners can be aligned and inserted into the sockets at the four corners, so that the die assembly is more accurate; the rubber solution is injected into the inside of the communication port and the shunt port through the injection port, the rubber solution can flow into the first die cavity and the second die cavity which are positioned on the two sides of the metal piece respectively through the communication port and the shunt port which are arranged at the two ends, and the injection molding method can be used for simultaneously molding the two sides of the metal piece, so that the one-step molding positioning is accurate, the production efficiency is high, the energy consumption is reduced, the flash is reduced, the labor is saved, and the rejection rate is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the upper structure of the lower mold of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the upper mold of the present utility model.

In the figure: 1. a lower die; 101. a lower screw hole; 2. an upper die; 3. a mounting plate; 301. an upper screw hole; 4. an injection molding port; 5. a communication port; 6. a shunt port; 7. a first mold cavity; 8. a seal ring; 9. a guide post; 10. a socket; 11. an exhaust pipe; 111. a first air hole; 12. a limiting plate; 121. a bolt; 13. a second mold cavity; 14. and (5) placing a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a precision injection mold for rubber parts, which comprises a lower mold 1, an upper mold 2 and a limiting plate 12, wherein a placing groove 14 is formed in the top of the lower mold 1, first mold cavities 7 are formed at two ends of the placing groove 14, split-flow ports 6 are formed at two ends of the first mold cavities 7, an exhaust pipe 11 is fixedly arranged on the lower mold 1, a first air hole 111 is formed in the exhaust pipe 11, a second mold cavity 13 is formed in the bottom of the upper mold 2, communication ports 5 are formed at two ends of the second mold cavity 13, a mounting plate 3 is fixedly arranged at the top of the upper mold 2, and injection molding ports 4 are formed in the mounting plate 3; by placing the metal piece in the placing groove 14 and on the top of the first die cavity 7, controlling the upper die 2 to descend and die the lower die 1, the second die cavity 13 and the first die cavity 7 are both clung to the metal piece and are positioned on two sides of the metal piece; the rubber solution is injected into the inside of the communication port 5 and the shunt port 6 through the injection port 4, the rubber solution can flow into the first die cavity 7 and the second die cavity 13 which are positioned on two sides of the metal piece respectively through the communication port 5 and the shunt port 6 which are arranged at two ends, the solution can be uniformly distributed by extracting internal gas through the first air hole 111 through the exhaust pipe 11 during the process, and the injection molding method can be used for simultaneously molding on two sides of the metal piece, so that the one-step molding positioning is accurate, the production efficiency is high, the energy consumption is reduced, the flash is reduced, the labor is saved, and the rejection rate is reduced.

Guide posts 9 are fixedly arranged at four corners of the upper die 2, and sockets 10 are formed at four corners of the lower die 1;

Through the in-process that upper die 2 descends, guide post 9 in four corners department can aim at and insert inside the socket 10 in four corners department, can make the compound die more accurate, is favorable to injection moulding.

Wherein, the lower die 1 is provided with a lower screw hole 101, and the mounting plate 3 is provided with an upper screw hole 301;

Bolts 121 are movably connected to the upper end and the lower end of the limiting plate 12, and the limiting plate 12 is arranged on two sides of the lower die 1;

Bolts 121 at the upper end and the lower end of the limiting plate 12 are respectively screwed into the lower screw hole 101 on the lower die 1 and the upper screw hole 301 on the mounting plate 3, so that the lower die 1, the upper die 2 and the mounting plate 3 are tightly fixed together, and the die carrying work is facilitated.

Wherein, the injection molding port 4 and the communication port 5 are communicated with the shunt port 6;

The rubber solution injected through the injection molding opening 4 can enter the cavity of the combination of the communication opening 5 and the shunt opening 6, then flows into the first die cavity 7 through the shunt opening 6 and flows into the second die cavity 13 through the communication opening 5, so that injection molding is realized, and the injection molding work is conveniently developed.

The top of the lower die 1 is fixedly connected with a sealing ring 8, the sealing ring 8 is made of rubber material, and the sealing ring 8 encloses the placing groove 14;

when the upper die 2 descends and is clung to the lower die 1, the sealing ring 8 is extruded, and the sealing effect can be achieved by utilizing the surrounding of the sealing ring 8, so that the injection molding work is facilitated.

The working principle and the using flow of the utility model are as follows:

Firstly, a metal piece is placed in a placing groove 14 and is positioned at the top of a first die cavity 7, then the upper die 2 is controlled to descend and is matched with the lower die 1, so that a second die cavity 13 and the first die cavity 7 are both clung to the metal piece and are positioned on two sides of the metal piece, and meanwhile, a sealing ring 8 is extruded, and a sealing effect can be achieved;

In the descending process of the upper die 2, the guide posts 9 at four corners can be aligned and inserted into the sockets 10 at four corners, so that the die assembly is more accurate;

Then, rubber solution is injected into the inside of the communication port 5 and the shunt port 6 through the injection molding port 4, and can flow into the first die cavity 7 and the second die cavity 13 positioned on the two sides of the metal piece through the communication port 5 and the shunt port 6 which are arranged at the two ends respectively;

after the molding, the upper die 2 is controlled to rise, and then taken out from the inside of the placing groove 14.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a accurate injection mold of rubber parts, includes bed die (1), goes up mould (2) and limiting plate (12), its characterized in that: the utility model discloses a plastic injection molding machine, including lower mould (1), air inlet, mounting panel, connecting port (5) have all been seted up at the top of bed die (1), standing groove (14) have been seted up at the top of bed die (1), the both ends of standing groove (14) all are provided with first die cavity (7), shunt opening (6) have all been seted up at the both ends of first die cavity (7), fixed mounting has exhaust tube (11) on bed die (1), first gas pocket (111) have been seted up on exhaust tube (11), the bottom of last mould (2) is provided with second die cavity (13), connecting port (5) have all been seted up at the both ends of second die cavity (13), the top fixed mounting of last mould (2) has mounting panel (3), injection molding mouth (4) have been seted up on mounting panel (3).

2. The precise injection mold for rubber parts according to claim 1, wherein: guide posts (9) are fixedly arranged at four corners of the upper die (2), and sockets (10) are formed at four corners of the lower die (1).

3. The precise injection mold for rubber parts according to claim 1, wherein: a lower screw hole (101) is formed in the lower die (1), and an upper screw hole (301) is formed in the mounting plate (3);

bolts (121) are movably connected to the upper end and the lower end of the limiting plate (12).

4. The precise injection mold for rubber parts according to claim 1, wherein: the injection molding port (4) and the communication port (5) are communicated with the shunt port (6).

5. The precise injection mold for rubber parts according to claim 1, wherein: the top of the lower die (1) is fixedly connected with a sealing ring (8), the sealing ring (8) is made of rubber materials, and the sealing ring (8) encloses the placing groove (14).