A plastic water distribution valve injection molding die
The integrated design of the plastic water distribution valve injection mold solves the problem of the need for subsequent processing of existing molds, realizes efficient molding and convenient operation, and improves production efficiency and product quality.
Patent Information
- Application Number
- CN202522479208.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-23
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-11-23
AI Technical Summary
Existing injection molding molds require subsequent processing of the water distribution valve pipe structure and thread structure after molding, resulting in a complex and time-consuming production process. Uneven material flow leads to molding defects, and the mold components are complex to assemble and difficult to maintain, resulting in low production efficiency.
Design a plastic water distribution valve injection molding mold, including an injection connection block, an injection block, a mounting plate, an injection pipe, a pipe forming block, a thread forming block, and a forming cover plate. It achieves integrated molding through snap-fit and fixing holes, and adopts a high-pressure resistant sealing strip and an anti-detachment structure to ensure uniform material flow and stable connection of components.
This technology enables the pipe and thread structure of the water distribution valve to be integrally molded, reducing additional processing steps, improving production efficiency, ensuring product quality and dimensional accuracy, simplifying operation, extending mold life, and reducing costs.
Smart Images
Figure CN224940433U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding molds, specifically to an injection molding mold for a plastic water distribution valve. Background Technology
[0002] This technology belongs to the field of injection molding molds for the production of plastic water distribution valves. It is mainly used in production scenarios where plastic water distribution valves are processed and molded through injection molding. It is one of the key pieces of equipment for realizing the mass production of plastic water distribution valves, and its structural design directly affects the molding effect and production efficiency of water distribution valve products.
[0003] While existing injection molding dies are equipped with the necessary structures for molding, the water distribution valve pipe structure and threaded structure after molding require separate subsequent processing steps. This fragments the production process, increases the number of operation steps, and lengthens the time, making it difficult to improve production efficiency. The distribution and opening configuration of the injection tubes can easily obstruct the material flow path during injection molding, leading to uneven material filling within the mold cavity and causing molding defects in the product, affecting product quality. Additional assembly is required after molding, increasing assembly difficulty. Furthermore, the assembly methods for various mold components are complex, and the disassembly and assembly process is cumbersome, which not only hinders daily maintenance and component replacement but also indirectly increases production input costs. Utility Model Content
[0004] The purpose of this utility model is to solve the above-mentioned defects and provide a plastic water distribution valve injection molding mold, which solves the technical problem that the existing production process is split, the operation steps are increased and the time is long, and the production efficiency is difficult to improve.
[0005] The purpose of this utility model is achieved through the following method: a plastic water distribution valve injection molding mold, including an injection connecting block and an injection block, wherein an installation plate is connected to one end of the injection block near the injection connecting block, the injection block is provided with three triangular injection tubes, a pipe forming block is provided at one end of the inner wall of each injection tube, a pipe opening is provided between the inner wall of the injection tube and the pipe forming block, a thread forming block is provided at one end of the inner wall of each injection tube, the bottom two injection tubes have injection ports at their top openings, and the top injection tube has a baffle that matches the injection port; the installation plate... Mounting plates are provided on both sides. The mounting plates are installed on one side of the injection molding connecting block through the mounting plates fixing holes. The mounting plates have openings that match the pipe openings. A molded cover plate is connected to the top of the injection molding connecting block by a snap fastener. The molded cover plate has several cover plate fixing holes. A connecting port molding block is provided at the top of the cover plate fixing holes. A connecting hole is provided between the cover plate fixing holes and the molded cover plate. A molded top cover is fitted with the molded cover plate. The molded top cover has a sealing cover plate and a top cover fixing hole that matches the cover plate fixing holes.
[0006] Furthermore, the inner wall of the injection molding connecting block is provided with a water distribution valve forming port, and the side wall of the injection molding connecting block is connected to a material discharge plate by a snap fastener.
[0007] The snap-fit connection between the discharge plate and the injection molding connecting block adopts an anti-detachment structure design, which can fit tightly against the side wall of the injection molding connecting block to prevent material from overflowing from the gap during the injection process. At the same time, it facilitates quick disassembly of the discharge plate after injection molding for product loading and unloading, improving operational convenience.
[0008] Furthermore, sealing strips are provided at each interface connection between the injection molding connecting block and the injection molding tube.
[0009] The sealing strip is made of a high-pressure and high-temperature resistant elastic material, which can tightly fill the gap between the injection molding connecting block and the injection molding tube interface, effectively preventing the leakage of molten material, ensuring the sealing and stability of the injection molding process, reducing wear at the interface, and extending the overall service life of the mold.
[0010] Furthermore, when the three injection-molded tubes are arranged in a triangular pattern, the axes of the bottom two injection-molded tubes are on the same horizontal plane.
[0011] This arrangement allows the two bottom injection tubes to be subjected to more even force during the injection process, ensuring that the material can flow smoothly into the mold cavity, guaranteeing the structural symmetry and dimensional consistency of the molded product. At the same time, it facilitates the precise docking of the injection tubes with the flow channels inside the injection connecting block, optimizing the material flow path.
[0012] Furthermore, the thread profile of the threaded forming block is triangular, and the length of the threaded forming block is one-third of the length of the injection-molded pipe.
[0013] The triangular tooth-shaped thread forming block has good molding stability and can accurately replicate the thread structure at the water distribution valve pipe interface, ensuring the integrity and smooth meshing of the thread of the product after molding. At the same time, this structural design can reduce the difficulty of separating the thread forming block from the product after injection molding and reduce defects such as scratches on the product surface.
[0014] Furthermore, the connecting port forming block and the forming cover plate are integrally formed, and the height of the connecting port forming block is two-thirds of the thickness of the forming cover plate.
[0015] The one-piece molding structure avoids assembly gaps between the connecting molding block and the molding cover plate, ensuring the structural accuracy and surface smoothness of the water distribution valve connection port after molding. At the same time, the reasonable height design can reduce the overall weight of the molding cover plate and reduce energy consumption during the mold opening and closing process while meeting the product molding requirements.
[0016] The beneficial effects of this utility model are as follows: The injection molding mold for the plastic water distribution valve, by setting pipe forming blocks and thread forming blocks on the inner wall of the injection tube, can directly form the pipe structure and thread structure of the water distribution valve, eliminating the need for subsequent additional processing steps, effectively simplifying the production process and improving production efficiency. The triangular distribution of injection tubes, combined with the injection port of the bottom injection tube and the anti-blocking port of the top injection tube, can avoid obstruction of material flow during injection, ensuring uniform material filling, reducing molding defects, and improving product molding quality. The mounting plate achieves precise assembly with the injection connecting block through fixing holes. The mating structure of the molding cover plate and the molding top cover, as well as the setting of each fixing hole, ensures a stable connection of each component of the mold, reduces displacement deviation during molding, and further guarantees product dimensional accuracy. The design of the connecting port forming block and connecting hole on the molding cover plate can simultaneously form the connecting port and connecting structure of the water distribution valve, achieving integrated injection molding, reducing product assembly difficulty. At the same time, the various components of the mold are assembled through snaps, fixing holes, etc., making disassembly and assembly convenient, facilitating daily maintenance and component replacement, extending the mold's service life, and reducing production input costs. Attached Figure Description
[0017] Figure 1 This is a partial structural diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the injection-molded tube structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the molded cover plate of this utility model.
[0021] In the diagram: 100, injection molding connecting block; 101, molding cover plate; 102, cover plate fixing hole; 103, connection port molding block; 104, molding top cover; 105, sealing cover plate; 106, top cover fixing hole; 107, connection hole; 200, injection molding block; 201, injection molding pipe; 202, injection port; 203, anti-blocking port; 204, pipe molding block; 205, thread molding block; 206, mounting plate; 207, mounting plate fixing hole; 208, pipe opening. Detailed Implementation
[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0023] In this embodiment, refer to Figures 1-4The specific implementation of this plastic water distribution valve injection molding die includes an injection connecting block 100 and an injection block 200. An installation plate 206 is connected to one end of the injection block 200 near the injection connecting block 100. The injection block 200 has three triangularly shaped injection tubes 201. A pipe forming block 204 is provided at one end of the inner wall of each injection tube 201. A pipe opening 208 is provided between the inner wall of the injection tube 201 and the pipe forming block 204. A threaded forming block 205 is provided at one end of the inner wall of each injection tube 201. The bottom two injection tubes 201 have injection ports 202 at their top openings. The top injection tube 201 has a baffle 203 that mates with the injection port 202. Installation plates 206 have mounting points on both sides. The mounting plate 206 is installed on one side of the injection molding connecting block 100 through the mounting plate fixing hole 207. The mounting plate 206 has an opening that matches the pipe port 208. The top of the injection molding connecting block 100 is connected to the molding cover plate 101 by a snap fastener. The molding cover plate 101 has several cover plate fixing holes 102. The top of the cover plate fixing holes 102 has a connecting port molding block 103. The cover plate fixing holes 102 are located between the connecting port molding blocks 103 and have connecting holes 107. The molding cover plate 101 is fitted with a molding top cover 104. The molding top cover 104 is provided with a closing cover plate 105. The molding top cover 104 has a top cover fixing hole 106 that matches the cover plate fixing holes 102.
[0024] The inner wall of the injection molding connecting block 100 is provided with a water distribution valve forming port, and the side wall of the injection molding connecting block 100 is connected with a material discharge plate by a snap fastener.
[0025] The snap-fit connection between the ejector plate and the injection molding connecting block 100 adopts an anti-detachment structure design, which can fit tightly against the side wall of the injection molding connecting block 100 to prevent material from overflowing from the gap during the injection process. At the same time, it facilitates quick disassembly of the ejector plate for product loading and unloading after injection molding, thus improving the ease of operation.
[0026] Sealing strips are provided at each interface connection between the injection molding connecting block 100 and the injection molding tube 201.
[0027] The sealing strip is made of elastic material that is resistant to high pressure and high temperature. It can tightly fill the gap between the injection molding connecting block 100 and the injection molding tube 201 interface, effectively preventing the leakage of molten material, ensuring the sealing and stability of the injection molding process, reducing wear at the interface, and extending the overall service life of the mold.
[0028] When the three injection tubes 201 are arranged in a triangular shape, the axes of the bottom two injection tubes 201 are on the same horizontal plane.
[0029] This arrangement allows the two bottom injection tubes 201 to be subjected to more uniform force during the injection process, ensuring that the material can flow smoothly into the mold cavity, guaranteeing the structural symmetry and dimensional consistency of the molded product. At the same time, it facilitates the precise docking of the injection tubes 201 with the flow channels inside the injection connecting block 100, optimizing the material flow path.
[0030] The thread profile of the thread forming block 205 is triangular, and the length of the thread forming block 205 is one-third of the length of the injection molding pipe 201.
[0031] The triangular tooth-shaped thread forming block 205 has good molding stability and can accurately replicate the thread structure at the water distribution valve pipe interface, ensuring the integrity and smooth meshing of the thread of the product after molding. At the same time, this structural design can reduce the difficulty of separating the thread forming block 205 from the product after injection molding and reduce defects such as scratches on the product surface.
[0032] The connecting port forming block 103 and the forming cover plate 101 are integrally formed structures, and the height of the connecting port forming block 103 is two-thirds of the thickness of the forming cover plate 101.
[0033] The one-piece molding structure can avoid the assembly gap between the connecting port molding block 103 and the molding cover plate 101, ensuring the structural accuracy and surface smoothness of the water distribution valve connecting port after molding. At the same time, the reasonable height design can reduce the overall weight of the molding cover plate 101 and reduce the energy consumption during the mold opening and closing process while meeting the product molding requirements.
[0034] The working process of a plastic water distribution valve injection molding die in this embodiment is as follows: First, the injection block 200 is precisely installed on one side of the injection connecting block 100 through the mounting plate fixing hole 207 on the mounting plate 206. The sealing strip at the interface between the injection connecting block 100 and the injection tube 201 ensures the connection is sealed. The molding cover plate 101 is connected to the top of the injection connecting block 100 by a snap fastener. Then, the molding top cover 104 is installed by fitting the top cover fixing hole 106 with the cover fixing hole 102. The mold cavity is closed by using the sealing cover plate 105. During injection, the molten material is injected from the injection port 202 at the top of the two bottom injection tubes 201. The anti-blocking port 203 of the top injection tube 201 prevents the molten material from being obstructed. The design of the T-shaped arrangement and the horizontal axis of the two bottom injection tubes 201 ensures that the material flows smoothly into the water distribution valve forming port on the inner wall of the injection connecting block 100. The pipe forming block 204 on the inner wall of the injection tube 201 cooperates with the pipe opening 208 to form the water distribution valve pipe structure. The thread forming block 205 simultaneously forms the pipe interface thread. The connecting port forming block 103 and the connecting hole 107 on the forming cover plate 101 are integrally formed into the water distribution valve connecting port and connecting structure. After injection molding, the integrally formed water distribution valve product can be taken out by disassembling the clip-connected discharge plate. The design of each component being assembled through clips and fixing holes facilitates subsequent maintenance and component replacement. No additional processing and assembly procedures are required throughout the process, and the batch molding of water distribution valves is completed efficiently.
[0035] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the scope of protection of the present invention.
Claims
1. A plastic water distribution valve injection molding die, comprising an injection connecting block (100) and an injection block (200), wherein an mounting plate (206) is connected to one end of the injection block (200) near the injection connecting block (100), and the injection block (200) is provided with three triangular injection tubes (201), characterized in that: One end of the inner wall of the injection tube (201) is provided with a pipe forming block (204), and a pipe opening (208) is provided between the inner wall of the injection tube (201) and the pipe forming block (204). One end of the inner wall of the injection tube (201) is provided with a thread forming block (205). The top openings of the two bottom injection tubes (201) are provided with injection ports (202). The top injection tube (201) is provided with a baffle (203) that matches the injection port (202). The mounting plate (206) is provided with mounting plate fixing holes (207) on both sides. The mounting plate (206) is installed on one side of the injection connecting block (100) through the mounting plate fixing holes (207). 6) An opening matching the pipe opening (208) is provided. The top of the injection molding connecting block (100) is connected to a molded cover plate (101) by a snap fastener. The molded cover plate (101) is provided with a plurality of cover plate fixing holes (102). A connecting port molding block (103) is provided at the top of the cover plate fixing hole (102). A connecting hole (107) is provided between the cover plate fixing hole (102) and the connecting port molding block (103). The molded cover plate (101) is fitted with a molded top cover (104). The molded top cover (104) is provided with a closing cover plate (105). The molded top cover (104) is provided with a top cover fixing hole (106) matching the cover plate fixing hole (102).
2. The injection molding mold for a plastic water distribution valve according to claim 1, characterized in that: The inner wall of the injection molding connecting block (100) is provided with a water distribution valve forming port, and the side wall of the injection molding connecting block (100) is connected with a material discharge plate by a snap fastener.
3. The injection molding mold for a plastic water distribution valve according to claim 2, characterized in that: Each interface of the injection molding connecting block (100) and the injection molding tube (201) is provided with a sealing strip.
4. The injection molding die for a plastic water distribution valve according to claim 1, characterized in that: When the three injection tubes (201) are arranged in a triangular pattern, the axes of the bottom two injection tubes (201) are on the same horizontal plane.
5. The injection molding mold for a plastic water distribution valve according to claim 1, characterized in that: The thread profile of the threaded forming block (205) is triangular, and the length of the threaded forming block (205) is one-third of the length of the injection molding pipe (201).
6. The injection molding die for a plastic water distribution valve according to claim 1, characterized in that: The connection port forming block (103) and the forming cover plate (101) are integrally formed structures, and the height of the connection port forming block (103) is two-thirds of the thickness of the forming cover plate (101).