One-mold multi-cavity nozzle mold
By employing 3D-printed circulating water channels and a balanced water distribution system in nozzle molds, the problem of uneven cooling was solved, enabling efficient and stable product production that meets the demands for high output and high precision.
Patent Information
- Application Number
- CN202423200451.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing nozzle molds suffer from uneven cooling in multi-cavity mold structures, leading to excessively high mold temperatures that affect product molding quality and production efficiency.
The water circulation method employs 3D-printed circulating water channels and a balanced layout, combined with heat dissipation components and a hot runner glue injection system, to ensure that the temperature difference in each cavity is controlled within 5 degrees Celsius, achieving uniform cooling and glue injection.
Improve product dimensional stability and production efficiency to ensure products meet high-volume production demands within strict tolerances.
Smart Images
Figure CN223573689U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nozzle type mould technical field especially relates to a mould of one mould multi -cavity nozzle. BACKGROUND
[0002] The product is a part used on a tooth washer, the part is disposable, the output of the mould is required to be particularly high, a multi -cavity mould of 16 cavities needs to be developed, the part has a position with the tooth washer component and needs to be installed, the cooperation requirement is very high, and the torsion and the drawing force are required, so the mutual matching performance between every part of the multi -cavity mould is required to be very high, the size tolerance of the cooperation position needs to be guaranteed within plus or minus 0.01 of every part to guarantee that the torsion and the drawing force of mutual matching reach the standard, so the size of the cooling / glue feeding of the mould and the processing technology all have very high requirements, need to control from the mould structure design and mould processing technology and injection molding process, wherein, nozzle type mould plays a key role in the injection molding process, it is responsible for accurately injecting molten plastic into the cavity to form the required product shape.
[0003] At present, the existing nozzle type mould on the market mostly adopts the traditional cooling mode, generally through setting up simple cooling pipelines around the mould, using circulating water to take away the heat generated in the injection molding process of the mould, however, this cooling mode has obvious deficiencies, in the mould structure of one mould multi -cavity, due to the simultaneous work of multiple cavities, the generated heat is large and unevenly distributed, and the traditional cooling pipeline is difficult to realize the full cooling of every cavity and the whole mould, which may lead to the overhigh temperature of the mould, and further affect the forming quality of the product, such as product size deviation, surface defects, etc., at the same time, the high mould temperature also prolongs the cooling time of the product, reduces the production efficiency and increases the production cost. CONTENT OF THE UTILITY MODEL
[0004] In order to make up for the above deficiencies, the utility model provides a one mould multi -cavity nozzle type mould, aiming at improving the problem that the cooling water pipe is on the outer wall of the device in the prior art, and cannot realize sufficient cooling, leading to the reduction of production efficiency.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a one mould multi -cavity nozzle type mould, including the top cover, the bottom surface of the top cover is fixedly connected with the mounting plate no.
[0006] Further, the heat dissipation assembly comprises heat dissipation holes, the top cover outer wall is provided with heat dissipation holes, and the lower surface of the heat dissipation hole is provided with a fixed plate one.
[0007] Further, the nozzle is internally and fixedly connected with a water conveying pipe, the outer wall of the water conveying pipe is slidably connected with a guide piece, the connecting end of the water conveying pipe is fixedly connected with a connecting ring, the internal of the connecting ring is fixedly connected with a spiral pipe, and the outer wall of the spiral pipe is fixedly connected in the cavity.
[0008] Further, the heat dissipation assembly comprises heat dissipation holes, the top cover outer wall is provided with heat dissipation holes, and the lower surface of the heat dissipation hole is provided with a fixed plate one.
[0009] Further, the lower surface of the second mounting plate is fixedly connected with a third mounting plate, the lower surface of the third mounting plate is slidably connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a base, the upper surface of the base is fixedly connected with a spring, the upper surface of the spring is fixedly connected with a supporting plate, and the outer wall of the water conveying pipe is fixedly connected in the internal of the supporting plate.
[0010] Further, the internal of the second mounting plate is fixedly connected with a fixed plate two, and the outer wall of the fixed plate two is fixedly connected with a connecting block.
[0011] Further, the upper surface of the connecting plate is fixedly connected with a supporting column, and the upper surface of the supporting column is fixedly connected with the lower surface of the second mounting plate.
[0012] Further, the outer wall of the first mounting plate is fixedly connected with a joint.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1、 the utility model discloses a cooling water channel is evenly distributed to each product, and the front model cavity part adopts 3D printing circulating waterway, and the rear mould and slider adopt balanced layout water conveying mode, effectively guarantee the temperature difference control of every cavity to be controlled within 5 degrees when injection moulding produces, and this accurate temperature control can greatly improve the stability of product size, and ensure that the product size of injection moulding is in the strict tolerance range, this is very important for the nozzle of the tooth washer, because it has specific installation position requirement with the tooth washer part, and the size tolerance of cooperation part needs to be accurate to plus or minus 0.01, only in this way, the torsion and drawing force of mutual matching can reach the standard, thereby ensuring the reliability and stability of product in the use.
[0015] 2、The utility model discloses, the combination of even cooling water channel design and hot runner glue inlet system makes the injection moulding process more stable and efficient, and accurate temperature control and glue inlet balance reduce the adjustment time and the defective rate in the production process, thereby shorten the forming cycle of each product, in addition, stable process parameter further improves the efficiency of whole production flow, makes a mould multi -cavity nozzle class mould can realize higher yield under the premise of guaranteeing product quality, satisfies the demand of the yield of this kind of product of market especially high. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model discloses a mould multi -cavity nozzle class mould's three -dimensional structure schematic diagram is provided for the utility model;
[0017] Figure 2 The utility model discloses a mould multi -cavity nozzle class mould's shunt plate partial structure schematic diagram is provided for the utility model;
[0018] Figure 3 The utility model discloses a mould multi -cavity nozzle class mould's spring partial structure schematic diagram is provided for the utility model;
[0019] Figure 4 The utility model discloses a mould multi -cavity nozzle class mould's glue inlet pipe partial structure schematic diagram is provided for the utility model;
[0020] Figure 5 For Figure 4 The utility model discloses a mould multi -cavity nozzle class mould's mould partial structure schematic diagram is provided for the utility model.
[0021] Figure 6 The utility model discloses a mould multi -cavity nozzle class mould's mould partial structure schematic diagram is provided for the utility model.
[0022] Legend:
[0023] 1, top cover, 2, joint, 3, heat dissipation hole, 4, mounting plate one, 5, mounting plate two, 6, mounting plate three, 7, connecting plate, 8, nozzle, 9, base, 10, shunt plate, 11, fixed plate one, 12, heating tube, 13, nozzle body, 14, connecting block, 15, fixed plate two, 16, flow guide pipe, 17, water pipe, 18, glue inlet pipe, 19, mould, 20, spiral pipe, 21, connecting ring, 22, guide, 23, cavity, 24, spring, 25, support plate, 26, support column, 27, mounting piece. DETAILED DESCRIPTION
[0024] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0025] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 An embodiment provided by the present application: a one-mold multi-cavity nozzle mold, comprising a top cover 1, a mounting plate one 4 fixedly connected to the lower surface of the top cover 1, a mounting plate two 5 fixedly connected to the lower surface of the top cover 1, a nozzle 8 fixedly connected to the inside of the mounting plate two 5, a glue inlet pipe 18 fixedly connected to the inside of the nozzle 8, a cavity 23 fixedly connected to one end of the glue inlet pipe 18, a mold 19 slidingly connected to the inside of the cavity 23, a flow guide pipe 16 fixedly connected to the lower surface of the mold 19, a mounting piece 27 fixedly connected to the outer wall of the flow guide pipe 16, a heating assembly arranged in the inside of the mounting plate one 4, and a heat dissipation assembly arranged on the upper surface of the top cover 1; the heat dissipation assembly comprises a heat dissipation hole 3, the heat dissipation hole 3 is arranged on the outer wall of the top cover 1, and a fixed plate one 11 is arranged on the lower surface of the heat dissipation hole 3; the heating assembly comprises a shunt plate 10, the shunt plate 10 is fixedly connected to the inside of the mounting plate one 4, the shunt plate 10 is fixedly connected to the outer wall of the fixed plate one 11, a heating pipe 12 is fixedly connected to the outer wall of the shunt plate 10, and a nozzle body 13 is fixedly connected to the outer wall of the shunt plate 10; a fixed plate two 15 is fixedly connected to the inside of the mounting plate two 5, a connecting block 14 is fixedly connected to the outer wall of the fixed plate two 15, and a connector 2 is fixedly connected to the outer wall of the mounting plate one 4.
[0026] Specifically, the top cover 1 lower surface is fixedly connected with the mounting plate one 4 and the mounting plate two 5, the mounting plate one 4 outer wall is fixedly connected with the joint 2 which can be used to connect external equipment or pipeline, providing necessary connection interface for the operation of the mold 19, the mounting plate two 5 is fixedly connected with the nozzle 8 inside, the nozzle 8 is fixedly connected with the glue inlet pipe 18 inside, one end of the glue inlet pipe 18 is fixedly connected with the cavity 23, forming a channel for the glue to enter the cavity 23, ensuring that the glue can be accurately delivered into the cavity 23 to realize the injection molding of the product, the mold 19 is slidingly connected inside the cavity 23, the mold 19 lower surface is fixedly connected with the flow guide pipe 16, the flow guide pipe 16 outer wall is fixedly connected with the mounting piece 27, during the injection molding process, the flow guide pipe 16 can guide the flow of the glue in the mold 19, during the use of the product, the toothpaste can be sprayed out, the mounting piece 27 plays a role in fixing and supporting the flow guide pipe 16, ensuring its stability during the working process, the mounting plate three 6 is fixedly connected with the mounting plate two 5 lower surface, the connecting plate 7 is slidingly connected with the mounting plate three 6 lower surface, the base 9 is fixedly connected with the connecting plate 7 lower surface, the base 9 provides a stable support foundation for the entire mold 19, ensuring that the mold 19 will not shake or displace during the working process, the connecting plate 7 upper surface is fixedly connected with the mounting plate two 5 lower surface, further enhancing the stability of the mold 19 structure, making the connection between the components more firm and reliable, the heat dissipation assembly includes the heat dissipation hole 3, the heat dissipation hole 3 is provided on the top cover 1 outer wall, the heat dissipation hole 3 lower surface is provided with the fixed plate one 11, during the working process of the mold 19, the heat dissipation hole 3 can effectively dissipate the heat generated inside the mold 19, preventing the mold 19 from being affected in performance and service life due to overheating, the heating assembly includes the shunt plate 10, the shunt plate 10 outer wall is fixedly connected inside the mounting plate one 4, the shunt plate 10 outer wall is also fixedly connected with the fixed plate one 11, the shunt plate 10 plays a role in distributing and guiding heat, enabling the heat generated by the heating pipe 12 to be evenly transmitted to each part of the mold 19 that needs to be heated, the shunt plate 10 outer wall is fixedly connected with the heating pipe 12, the heating pipe 12 is a key component for generating heat, providing the required temperature for the mold 19 through power heating, to ensure that the glue can maintain good fluidity and molding performance in the cavity 23, the nozzle body 13 fixedly connected with the shunt plate 10 outer wall cooperates with the nozzle 8 and other components to participate in the delivery and molding process of the glue.
[0027] Referring to Figure 1 - Figure 5The inside of the nozzle 8 is fixedly connected with the water conveying pipe 17, the outer wall of the water conveying pipe 17 is slidably connected with the guide 22, the connecting ring 21 is fixedly connected at the connecting end of the water conveying pipe 17, the spiral pipe 20 is fixedly connected inside the connecting ring 21, and the outer wall of the spiral pipe 20 is fixedly connected inside the cavity 23; the lower surface of the second mounting plate 5 is fixedly connected with the third mounting plate 6, the lower surface of the third mounting plate 6 is slidably connected with the connecting plate 7, the lower surface of the connecting plate 7 is fixedly connected with the base 9, the upper surface of the base 9 is fixedly connected with the spring 24, the upper surface of the spring 24 is fixedly connected with the supporting plate 25, and the outer wall of the water conveying pipe 17 is fixedly connected inside the supporting plate 25; the upper surface of the supporting column 26 is fixedly connected with the lower surface of the second mounting plate 5.
[0028] Specifically, the nozzle 8 is fixedly connected with the water conveying pipe 17 inside, the outer wall of the water conveying pipe 17 is slidably connected with the guide 22, the guide 22 can ensure the position stability of the water conveying pipe 17 during the working process, and prevent the water conveying pipe 17 from deviating or shaking, the connecting ring 21 is fixedly connected at the connecting end of the water conveying pipe 17, the spiral pipe 20 is fixedly connected inside the connecting ring 21, and the outer wall of the spiral pipe 20 is fixedly connected inside the cavity 23, the front cavity 23 is provided with a 3D printed circulating water channel, which can make the cooling water flow more uniformly distributed around the cavity 23 and take away more heat, the rear mold and the slider adopt a balanced water conveying mode, so that the temperature difference of each cavity during injection molding is ensured to be within 5 degrees, through the precise temperature control, the stability of the product size can be greatly improved, and the product size after injection molding is ensured to be within a strict tolerance range, which is crucial for the nozzle of the tooth washer, because the nozzle has specific installation position requirements for the tooth washer parts, and the size tolerance of the matching parts needs to be accurate to plus or minus 0.01, only in this way, the torsion and pulling force of the mutual matching can meet the standard, so as to ensure the reliability and stability of the product during use, the second mounting plate 5, the third mounting plate 6, the connecting plate 7 and the base 9 fixedly connected with the lower surface of the second mounting plate 5, and the spring 24 fixedly connected with the upper surface of the base 9, the supporting plate 25 fixedly connected with the upper surface of the spring 24 jointly constitute a supporting structure of the water conveying pipe 17, the spring 24 can play a buffering and damping role, and protect the water conveying pipe 17 from external impact, and at the same time, during the operation of the mold 19, the spring 24 can adapt to a certain structural deformation, so that the water conveying pipe 17 can always maintain a good working state, and the supporting plate 25 provides a stable supporting platform for the water conveying pipe 17, so that the position of the water conveying pipe 17 inside the cavity 23 is accurate, and the cooling water conveying channel can normally operate and play its cooling role.
[0029] Working principle: first, the mold is installed on the Haitian precision injection molding machine, and the related equipment and pipeline are connected, the joint 2 of the outer wall of the installation plate 1 is connected with the external equipment, and the mold is correctly connected with the feeding system, control system and other systems of the injection molding machine, at this time, check whether the heat dissipation assembly (including the heat dissipation hole 3 and the fixed plate 1) is normal, ensure that the mold can effectively dissipate heat in the subsequent work process, at the same time, confirm the sealing performance of the cooling water channel and the normalcy of the circulating system, prepare to circulate cooling water, start the heating assembly of the mold, the shunt plate 10 transmits current to the heating tube 12, the heating tube 12 is electrified and heated, the shunt plate 10 is fixedly connected with the installation plate 1 and the fixed plate 1 through the outer wall, and the heat generated by the heating tube 12 is uniformly transmitted to each part of the mold which needs to be heated, such as the cavity 23, so that the mold reaches the appropriate working temperature, ensuring that the glue in the cavity 23 can maintain good fluidity and forming performance, at the same time, the injection molding machine heats and melts the plastic particles to form uniform glue, and the glue enters the cavity 23 through the glue inlet pipe 18, because the hot runner glue inlet system is adopted, the glue can realize balanced glue inlet between each cavity 23, ensuring that the glue filling amount in each cavity 23 is consistent, in the process of glue filling the cavity 23, the mold 19 plays a role in plasticizing in the cavity 23, the flow guide pipe 16 guides the flow of glue in the mold 19 during injection molding, so that the glue can uniformly fill every corner of the mold 19, ensuring the integrity and consistency of product forming, after the glue fills the cavity 23, the cooling process begins, the circulating cooling water enters the mold through the water conveying pipe 17, the guide 22 on the outer wall of the water conveying pipe 17 ensures its stable position and prevents deviation, the water flows into the spiral pipe 20 through the connecting ring 21, and the outer wall of the spiral pipe 20 is fixedly connected with the inside of the cavity 23, so that the cooling water flow can closely surround the cavity 23 and take away the heat generated in the glue solidification process, the 3D printing circulating water channel used in the front mold cavity part and the balanced layout water conveying mode of the rear mold and the slider ensure that the temperature difference of each cavity during injection molding is controlled within 5 degrees, realizing accurate temperature control, so that the product can be quickly and uniformly cooled and shaped, ensuring that the size of the injection molded product is within the strict tolerance range, meeting the high requirements of tooth washer nozzle products on size precision, after the product is cooled and shaped, the mold is demolded by the designed demolding device, the slider demolding device designed according to the circular feature of the product, the mold 19 slides in the cavity 23, and the product is separated from the mold 19 under the action of demolding force, then the manipulator takes the product according to the set program, takes the product out of the mold, and performs subsequent operations such as bending and packaging, at the same time, the mold is ready for the next injection molding cycle, each part returns to the initial state, and the efficient and stable production process continues, in the whole working process, each part works cooperatively, through accurate temperature control, balanced glue inlet and stable process parameters, the high-efficiency and high-precision production of one-mold multi-cavity nozzle mold is realized, meeting the market's requirements for the yield and quality of tooth washer nozzle products.
[0030] It should be pointed out finally that: the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or for some of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.
Claims
1. A multi-cavity nozzle mold, including a top cover (1), characterized in that: The lower surface of the top cover (1) is fixedly connected to a mounting plate one (4), the lower surface of the top cover (1) is fixedly connected to a mounting plate two (5), the inside of the mounting plate two (5) is fixedly connected to a nozzle (8), the inside of the nozzle (8) is fixedly connected to a glue inlet tube (18), one end of the glue inlet tube (18) is fixedly connected to a cavity (23), the inside of the cavity (23) is slidably connected to a mold (19), the lower surface of the mold (19) is fixedly connected to a guide tube (16), the outer wall of the guide tube (16) is fixedly connected to an installation component (27), the inside of the mounting plate one (4) is provided with a heating component, and the upper surface of the top cover (1) is provided with a heat dissipation component.
2. The multi-cavity nozzle mold according to claim 1, characterized in that: The heat dissipation component includes heat dissipation holes (3), and the outer wall of the top cover (1) is provided with heat dissipation holes (3), and a fixing plate (11) is provided on the lower surface of the heat dissipation holes (3).
3. The multi-cavity nozzle mold according to claim 1, characterized in that: A water pipe (17) is fixedly connected inside the nozzle (8). A guide (22) is slidably connected to the outer wall of the water pipe (17). A connecting ring (21) is fixedly connected to the connecting end of the water pipe (17). A spiral tube (20) is fixedly connected inside the connecting ring (21). The outer wall of the spiral tube (20) is fixedly connected inside the cavity (23).
4. The multi-cavity nozzle mold according to claim 2, characterized in that: The heating component includes a flow divider (10), the outer wall of which is fixedly connected to the inside of the mounting plate (4), the outer wall of which is fixedly connected to the fixing plate (11), a heating tube (12) is fixedly connected to the outer wall of which, and a nozzle (13) is fixedly connected to the outer wall of which.
5. The multi-cavity nozzle mold according to claim 3, characterized in that: Mounting plate three (6) is fixedly connected to the lower surface of mounting plate two (5). A connecting plate (7) is slidably connected to the lower surface of mounting plate three (6). A base (9) is fixedly connected to the lower surface of the connecting plate (7). A spring (24) is fixedly connected to the upper surface of the base (9). A support plate (25) is fixedly connected to the upper surface of the spring (24). The outer wall of the water pipe (17) is fixedly connected to the inside of the support plate (25).
6. The multi-cavity nozzle mold according to claim 1, characterized in that: The mounting plate 2 (5) is internally fixedly connected to a fixing plate 2 (15), and the fixing plate 2 (15) is externally fixedly connected to a connecting block (14).
7. The multi-cavity nozzle mold according to claim 5, characterized in that: The upper surface of the connecting plate (7) is fixedly connected to the support column (26), and the lower surface of the mounting plate (5) is fixedly connected to the upper surface of the support column (26).
8. The multi-cavity nozzle mold according to claim 1, characterized in that: The mounting plate (4) is fixedly connected to the outer wall of the joint (2).