Sealed anti-seepage precision mold

Abstract

The utility model relates to the technical field of injection molds, and discloses a sealed anti-leakage precision mold which comprises a base, a lower mold base is fixedly connected to the top of the base, a motor is arranged on the left side of the lower mold base, the bottom of the motor is fixedly connected with the base, and the output end of the motor is fixedly connected with a threaded rod. A lifting block is in threaded connection with the outer portion of the threaded rod, an upper mold base is fixedly connected with the outer portion of the lifting block, a sealing lower pressing plate is fixedly connected with the bottom of the upper mold base, guide plates are arranged on the two sides of the sealing lower pressing plate and fixedly connected with the bottom of the upper mold base, and an injection molding cavity is formed in the top of the lower mold base. And a mold injection molding groove is formed in the injection molding cavity. According to the mold ejection mechanism, the air cylinder, the through hole, the telescopic plate, the connecting frame, the pull rod, the second fixing frame, the second rotating piece and the ejection column are matched to work, and a mold formed in the mold injection molding groove can be ejected out, so that demolding of the mold is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a sealed and leak-proof precision mold. Background Art

[0002] Moulds are various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, moulds are tools used to make shaped objects. This tool is composed of various parts, and different moulds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the material being formed.

[0003] After searching, the existing Chinese patent announcement number is: CN216182226U, which provides a precision injection mold for a mobile phone camera base. The patent provides an injection hole on the upper mold base, and the bottom of the upper mold base is located on both sides of the injection hole with sealed lower pressure plates, and the lower mold base is symmetrically provided with embedded injection cavities, and the embedded injection cavities are provided with several mold injection grooves. A detachable sealing plate is provided between the embedded injection cavities, and an injection structure is provided on the sealing plate. Such a device has a simple structure and is easy to use. It can inject multiple mobile phone camera bases at one time, and at the same time has an anti-leakage effect, which greatly increases the efficiency of injection molding.

[0004] Although the above patent can inject multiple mobile phone camera bases at one time and has an anti-leakage effect, greatly increasing the efficiency of injection molding, the above-mentioned mobile phone camera base precision injection mold still has the following problems: it is not convenient to demold, which is not conducive to the staff to remove the molded mold on the lower mold base, which is not conducive to production operations.

[0005] In view of the above problems, a sealed and leak-proof precision mold is proposed. Utility Model Content

[0006] The utility model aims to provide a sealed and leakproof precision mold, which solves the problem in the background technology that it is inconvenient to demould, thereby making it difficult for workers to remove the mold after forming on the lower mold base and to perform production operations.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealed and leak-proof precision mold, comprising a base, the top of the base is fixedly connected to a lower mold base, a motor is arranged on the left side of the lower mold base, the bottom of the motor is fixedly connected to the base, a threaded rod is fixedly connected to the output end of the motor, the external thread of the threaded rod is connected to a lifting block, the external of the lifting block is fixedly connected to an upper mold base, the bottom of the upper mold base is fixedly connected to a sealed lower pressure plate, guide plates are arranged on both sides of the sealed lower pressure plate, the guide plates are fixedly connected to the bottom of the upper mold base, and an injection molding machine is arranged on the top of the lower mold base. A cavity, a mold injection groove is opened in the injection cavity, and three through holes are penetrated and opened in the mold injection groove, two sealing assemblies are arranged on the top of the lower mold base, and the sealing assemblies are arranged on both sides of the injection cavity, a cylinder is fixedly connected to the rear wall of the lower mold base, a telescopic plate is fixedly connected to the output end of the cylinder, and three evenly distributed connecting frames are fixedly connected to the top of the telescopic plate, a first rotating member is rotatably connected to the top of the connecting frame, the other end of the first rotating member is rotatably connected to a pull rod, the other end of the pull rod is rotatably connected to a second rotating member, and the other end of the second rotating member is rotatably connected to a top column.

[0008] By adopting the above technical solution, the lifting block and the upper mold base are driven to rise and fall along the guide rod by the screw rod, which facilitates the control of the opening and closing of the upper mold base and the lower mold base, and the mold formed in the mold injection groove can be ejected from the through hole by the ejector column, thereby facilitating demoulding.

[0009] As a further description of the above technical solution: the sealing assembly includes an installation groove, two of which are opened on the top of the lower mold base, and evenly distributed springs are fixedly connected in the installation groove. The other end of the spring is fixedly connected to a sealing plate, and the outside of the guide plate is slidably connected to the inside of the installation groove.

[0010] By adopting the above technical solution, the guide plate can be inserted into the installation groove through the sealing component to improve the stability of the upper mold base and the lower mold base and also make the guide plate and the sealing plate fit better.

[0011] As a further description of the above technical solution: a guide rod passes through and is slidably connected to the other side of the upper mold base, and the bottom of the guide rod is fixedly connected to the base.

[0012] By adopting the above technical solution, the guide rod has a limiting effect.

[0013] As a further description of the above technical solution: the first rotating member is externally rotatably connected to a first fixed frame, and the first fixed frame is fixedly connected to the rear wall of the lower mold base.

[0014] By adopting the above technical solution, the first fixing frame has the effect of limiting the position of the first rotating member, so that the first rotating member can rotate.

[0015] As a further description of the above technical solution: the second rotating member is externally rotatably connected to a second fixed frame, and the second fixed frame is fixedly connected to the rear wall of the lower mold base.

[0016] By adopting the above technical solution, the second fixing frame can limit the position of the second rotating member.

[0017] As a further description of the above technical solution: the sealing lower pressure plate and the middle part of the upper mold base are penetrated and provided with injection holes.

[0018] By adopting the above technical solution, it is convenient for the injection molding raw material to enter the injection molding groove of the mold.

[0019] As a further description of the above technical solution: the top column passes through and is slidably connected to the through hole.

[0020] By adopting the above technical solution, the top column fits with the through hole and does not cause the injection molding material to leak.

[0021] As a further description of the above technical solution: the sealing plate is arranged in the installation groove, and the outer part of the sealing plate is slidably connected to the inner wall of the installation groove.

[0022] By adopting the above technical solution, the sealing plate can be easily extended and retracted in the installation groove.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a sealed and leak-proof precision mold. First, a motor, a threaded rod, a lifting block, an upper mold base, a guide rod, a guide plate, a mounting groove, a spring and a sealing plate work together. The lifting block and the upper mold base are driven to rise and fall along the guide rod by the screw rod, so as to conveniently control the opening and closing of the upper mold base and the lower mold base. Moreover, the sealing assembly can make the guide plate inserted into the mounting groove to improve the stability of the upper mold base and the lower mold base and make the guide plate and the sealing plate fit more closely.

[0025] 2. The utility model provides a sealed and leak-proof precision mold, which cooperates with each other through a cylinder, a through hole, a telescopic plate, a connecting frame, a first rotating member, a first fixed frame, a pull rod, a second fixed frame, a second rotating member and a push column. The mold formed in the mold injection groove can be ejected from the through hole through the push column, thereby facilitating demolding of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is an exploded schematic diagram of the sealing component structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the first rotating member and the second rotating member of the utility model;

[0029] Figure 4 It is a schematic diagram of the internal structure of the lower die base of the utility model.

[0030] In the figure: 1. base; 2. lower mold base; 3. motor; 4. threaded rod; 5. lifting block; 6. upper mold base; 7. guide rod; 8. injection hole; 9. sealed lower pressure plate; 10. guide plate; 11. injection cavity; 12. mold injection groove; 13. through hole; 14. mounting groove; 15. spring; 16. sealing plate; 17. cylinder; 18. telescopic plate; 19. connecting frame; 20. first rotating member; 21. first fixed frame; 22. pull rod; 23. second fixed frame; 24. second rotating member; 25. top column. DETAILED DESCRIPTION

[0031] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0033] Reference Figure 1 , Figure 3 and Figure 4The utility model discloses a sealing and leak-proof precision mold, comprising a base 1, a lower mold base 2 is fixedly connected to the top of the base 1, a motor 3 is arranged on the left side of the lower mold base 2, a threaded rod 4 is driven to rotate by the motor 3, the bottom of the motor 3 is fixedly connected to the base 1, a threaded rod 4 is fixedly connected to the output end of the motor 3, a lifting block 5 is externally threadedly connected to the threaded rod 4, an upper mold base 6 can be driven to rise and fall by the lifting block 5, an upper mold base 6 is fixedly connected to the outside of the lifting block 5, a sealing lower pressure plate 9 is fixedly connected to the bottom of the upper mold base 6, and the injection groove 12 of the mold can be sealed. Guide plates 10 are arranged on both sides of the sealing lower pressure plate 9, which play a role in sealing and improving stability. The guide plates 10 are fixedly connected to the bottom of the upper mold base 6, an injection cavity 11 is arranged on the top of the lower mold base 2, a mold injection groove 12 is provided in the injection cavity 11, and the mold injection groove Three through holes 13 are penetrated and opened in 12, which are convenient for installing the ejector column 25. Two sealing assemblies are arranged on the top of the lower mold base 2, and the sealing assemblies are arranged on both sides of the injection cavity 11. A cylinder 17 is fixedly connected to the back wall of the lower mold base 2, and a telescopic plate 18 is fixedly connected to the output end of the cylinder 17. The telescopic plate 18 is driven to be telescopic by the cylinder 17. Three evenly distributed connecting frames 19 are fixedly connected to the top of the telescopic plate 18 to play a connecting role. A first rotating member 20 is rotatably connected to the top of the connecting frame 19, and a pull rod 22 is rotatably connected to the other end of the first rotating member 20, and the second rotating member 24 can be driven to rotate by the pull rod 22. The other end of the pull rod 22 is rotatably connected to the second rotating member 24, and the other end of the second rotating member 24 is rotatably connected to a ejector column 25. The ejector column 25 is extended to eject the mold, which is convenient for demoulding.

[0034] Reference Figure 2 The sealing assembly includes mounting grooves 14, and the two mounting grooves 14 are both opened at the top of the lower die base 2. Evenly distributed springs 15 are fixedly connected in the mounting grooves 14, and a sealing plate 16 is fixedly connected at the other end of the spring 15. The outside of the guide plate 10 is slidably connected to the inside of the mounting grooves 14. The sealing plate 16 is arranged in the mounting grooves 14, and the outside of the sealing plate 16 is slidably connected to the inner wall of the mounting grooves 14. Through the sealing assembly, the guide plate 10 can be inserted into the mounting grooves 14 to improve the stability of the upper die base 6 and the lower die base 2, and can also make the guide plate 10 and the sealing plate 16 fit more closely.

[0035] Reference Figure 1 , Figure 2 and Figure 3, a guide rod 7 is penetrated and slidably connected to the other side of the upper mold base 6, a connecting block is installed on the right side of the upper mold base 6, the guide rod 7 penetrates the connecting block of the upper mold base 6, and the bottom of the guide rod 7 is fixedly connected to the base 1. The first rotating member 20 is externally rotatably connected to the first fixed frame 21, and the first fixed frame 21 is fixedly connected to the wall of the lower mold base 2. The first fixed frame 21 has the effect of limiting the first rotating member 20, and the second rotating member 24 is externally rotatably connected to the second fixed frame 23, and the second fixed frame 23 is fixedly connected to the wall of the lower mold base 2. The second fixed frame 23 can limit the second rotating member 24. The sealing lower pressure plate 9 and the middle part of the upper mold base 6 are penetrated and opened with an injection hole 8, which is convenient for the injection molding material to enter the injection groove 12 of the mold, and the top column 25 is penetrated and slidably connected to the through hole 13.

[0036] Working principle: When in use, the motor 3 is started to drive the threaded rod 4 to rotate, thereby driving the lifting block 5 and the upper mold base 6 to descend along the guide rod 7, so that the two guide plates 10 on the upper mold base 6 are inserted into the two mounting grooves 14 on the lower mold base 2. At this time, the upper mold base 6 is pressed on the lower mold base 2, and the sealing lower pressure plate 9 is inserted into the injection cavity 11. The injection cavity 11 is sealed by the sealing lower pressure plate 9 to prevent leakage at its edge, and the sealing plate 16 can be driven to expand and contract in the mounting groove 14 through the expansion and contraction of the spring 15, so that the sealing plate 16 is more closely fitted to the bottom of the guide plate 10, thereby improving the sealing effect, and then the injection hole 8 is used for injection molding to make the injection molding raw material The injection molding process starts from the injection hole 8 and enters the injection molding groove 12 of the mold for injection molding. After the injection molding is completed, the motor 3 drives the threaded rod 4 to rotate, driving the lifting block 5 and the upper mold base 6 to rise, and then starts the cylinder 17 inside the lower mold base 2. The output end of the cylinder 17 drives the telescopic plate 18 to descend, thereby driving the first rotating member 20 to rotate clockwise through the connecting frame 19 and the first fixed frame 21, and the first rotating member 20 drives the second rotating member 24 to rotate clockwise through the pull rod 22, so that the other end of the second rotating member 24 drives the ejector column 25 to rise from the through hole 13, and the three ejector columns 25 eject the mold formed in the injection molding groove 12 of the mold, so as to facilitate the demolding of the mold.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed and leakproof precision mold, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a lower mold base (2), a motor (3) is arranged on the left side of the lower mold base (2), the bottom of the motor (3) is fixedly connected to the base (1), the output end of the motor (3) is fixedly connected to a threaded rod (4), the outer thread of the threaded rod (4) is connected to a lifting block (5), the outer surface of the lifting block (5) is fixedly connected to an upper mold base (6), the bottom of the upper mold base (6) is fixedly connected to a sealed lower pressure plate (9), both sides of the sealed lower pressure plate (9) are provided with guide plates (10), the guide plates (10) are fixedly connected to the bottom of the upper mold base (6), the top of the lower mold base (2) is provided with an injection cavity (11), the injection cavity (11) is provided with a mold injection groove (12), the mold The injection molding groove (12) is penetrated and provided with three through holes (13); the top of the lower mold base (2) is provided with two sealing components, and the sealing components are arranged on both sides of the injection molding cavity (11); a cylinder (17) is fixedly connected to the rear wall of the lower mold base (2); the output end of the cylinder (17) is fixedly connected to a telescopic plate (18); the top of the telescopic plate (18) is fixedly connected to three evenly distributed connecting frames (19); a first rotating member (20) is rotatably connected to the top of the connecting frame (19); the other end of the first rotating member (20) is rotatably connected to a pull rod (22); the other end of the pull rod (22) is rotatably connected to a second rotating member (24); the other end of the second rotating member (24) is rotatably connected to a top column (25).

2. A sealed and leakproof precision mold according to claim 1, characterized in that: The sealing assembly comprises a mounting groove (14), wherein two mounting grooves (14) are both arranged at the top of the lower die base (2), wherein evenly distributed springs (15) are fixedly connected in the mounting groove (14), wherein the other end of the spring (15) is fixedly connected to a sealing plate (16), and the outside of the guide plate (10) is slidably connected to the inside of the mounting groove (14).

3. The sealed and leakproof precision mold according to claim 1, characterized in that: A guide rod (7) passes through and is slidably connected to the other side of the upper die seat (6); the bottom of the guide rod (7) is fixedly connected to the base (1).

4. The sealed and leakproof precision mold according to claim 1, characterized in that: The first rotating member (20) is externally rotatably connected to a first fixed frame (21), and the first fixed frame (21) is fixedly connected to the rear wall of the lower die base (2).

5. The sealed and leakproof precision mold according to claim 1, characterized in that: The second rotating member (24) is externally rotatably connected to a second fixed frame (23), and the second fixed frame (23) is fixedly connected to the rear wall of the lower mold base (2).

6. The sealed and leakproof precision mold according to claim 1, characterized in that: The sealing lower pressure plate (9) and the upper mold base (6) are both penetrated and provided with an injection hole (8) in the middle.

7. The sealed and leakproof precision mold according to claim 2, characterized in that: The top column (25) passes through and is slidably connected to the through hole (13).

8. The sealed and leakproof precision mold according to claim 2, characterized in that: The sealing plate (16) is arranged in the installation groove (14), and the outside of the sealing plate (16) is slidably connected to the inner wall of the installation groove (14).

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