Mould for manufacturing plastic toy parts
By introducing a liquid distribution ring and auxiliary liquid pipe structure into the mold, combined with the design of the heat insulation sleeve and the support groove, the problem of low injection efficiency of existing molds is solved, and efficient and stable injection molding of plastic tires is achieved.
Patent Information
- Application Number
- CN202520172462.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-26
AI Technical Summary
The existing injection molds for plastic tires used in off-road remote-controlled plastic toy cars have low efficiency due to the inefficient injection of fluid into the cavity via a single infusion tube, resulting in low efficiency in the injection molding process.
Design a mold that uses a liquid distribution ring pipe and a secondary liquid pipe structure. The liquid plastic liquid in the melting tank is distributed to the cavity through the main liquid pipe, the liquid distribution ring pipe and the secondary liquid pipe. An insulation sleeve is set on the outer wall of the liquid pipe to maintain the temperature. Combined with the support tank structure, the liquid pipe is stably supported, which improves the injection molding efficiency and prevents condensation and blockage.
It improves the efficiency of plastic tire injection molding, avoids heat loss from liquid plastic, ensures smooth injection process, and prevents liquid line sagging, thereby improving production efficiency and product quality.
Smart Images
Figure CN223812275U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic toy part manufacturing technical field especially relates to a kind of mould of plastic toy part manufacturing. BACKGROUND
[0002] Plastic toy is composed of various different parts, these parts act together, make toy have specific function and entertainment value, among them, cross-country remote control plastic toy car is a kind of plastic toy, and commonly used plastic part on cross-country remote control plastic toy car is plastic tire.
[0003] Plastic tire is integrally injection molded using injection mold, generally, plastic particles are melted into liquid plastic in a melting tank, then injected into the cavity of lower mold base by injection pump, then, the upper mold base is moved downward by vertical cylinder, until the core on the upper mold base is inserted into the cavity, when liquid plastic particles are coagulated into shape, the core is moved upward and reset by vertical cylinder, and the mold is demolded by top cylinder in later stage, so that plastic tire is integrally injection molded.
[0004] At present, the injection mold of plastic tire for cross-country remote control plastic toy car generally injects plastic liquid into the cavity through a single liquid pipe, which is low in efficiency and greatly reduces the efficiency of the injection mold of plastic tire for cross-country remote control plastic toy car in injecting plastic liquid into the cavity. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a kind of mould of plastic toy part manufacturing.
[0006] To achieve the above object, the utility model adopts the following technical scheme:
[0007] A kind of mould of plastic toy part manufacturing is designed, including lower mold base, the lower mold base is equipped with cavity, the upper of lower mold base is equipped with top plate, the top plate is equipped with vertical cylinder and guide rod, the vertical cylinder is equipped with upper mold base, the upper mold base is equipped with core, the lower of lower mold base is equipped with bottom plate, the bottom plate is equipped with melting tank, the melting tank is equipped with injection pump, the injection pump is connected with main liquid pipe, the bottom plate is equipped with top cylinder, the main liquid pipe is connected with branch liquid ring pipe, the branch liquid ring pipe is connected with auxiliary liquid pipe;
[0008] The lower mold base is equipped with bottom support, the bottom support is equipped with pipe supporting table, the pipe supporting table is equipped with pipe supporting groove;
[0009] The main liquid pipe, branch liquid ring pipe and auxiliary liquid pipe are equipped with heat preservation sleeve layer.
[0010] Further, the liquid distribution ring pipe is in communication with the main liquid pipe and the auxiliary liquid pipe respectively, and the auxiliary liquid pipe is in communication with the cavity.
[0011] Further, the liquid distribution ring pipe is in communication with the main liquid pipe and the auxiliary liquid pipe respectively, and the auxiliary liquid pipe is in communication with the cavity.
[0012] Further, the auxiliary liquid pipe and the main liquid pipe are horizontally aligned, and the glue melting tank is provided with a feeding pipe.
[0013] Further, the auxiliary liquid pipe and the main liquid pipe are horizontally aligned, and the glue melting tank is provided with a feeding pipe.
[0014] Further, the auxiliary liquid pipe and the main liquid pipe are horizontally aligned, and the glue melting tank is provided with a feeding pipe.
[0015] Further, the auxiliary liquid pipe and the main liquid pipe are horizontally aligned, and the glue melting tank is provided with a feeding pipe.
[0016] The utility model provides a mould for making plastic toy parts, which has the beneficial effects that:
[0017] 1. The utility model discloses a main liquid pipe with a liquid distribution ring pipe is arranged on the glue melting tank, and an auxiliary liquid pipe structure is arranged on the liquid distribution ring pipe, so that the liquid plastic in the glue melting tank can be distributed and transported, and the four auxiliary liquid pipes can effectively inject the liquid plastic into the cavity, so as to improve the efficiency of the liquid plastic injection process of the injection mold for the off-road remote control plastic toy car.
[0018] 2. The utility model discloses a heat preservation sleeve layer structure is arranged on the outer wall of the main liquid pipe, the liquid distribution ring pipe and the auxiliary liquid pipe, which can prevent the liquid plastic from being condensed and blocked due to heat dissipation during the distribution and transportation of the liquid plastic, and ensure the smoothness of the transportation of the liquid plastic.
[0019] 3. The utility model discloses a holding table structure with a holding groove, which can effectively and stably support the bottom of the liquid distribution ring pipe and the auxiliary liquid pipe, and prevent the liquid distribution ring pipe and the auxiliary liquid pipe from falling down after long-term use. DRAWINGS
[0020] Figure 1 It is a first perspective view of the overall structure of the utility model.
[0021] Figure 2 For the utility model Figure 1 The liquid distribution ring pipe structure has a sub-liquid pipe.
[0022] Figure 3 For the utility model Figure 2 The local enlarged view at L.
[0023] Figure 4 The second perspective view of the overall structure of the utility model.
[0024] Figure 5 The top view schematic diagram of the overall structure of the utility model.
[0025] In the figure: 1 lower die seat; 11 cavity; 12 bottom support; 2 bottom plate; 21 glue melting box; 22 feeding pipe; 23 liquid injection pump; 24 main liquid pipe; 3 top plate; 31 upper die seat; 32 guide rod; 33 core; 34 vertical cylinder; 4 pipe supporting table; 41 pipe supporting groove; 5 liquid distribution ring pipe; 6 sub-liquid pipe; 7 heat preservation sleeve layer; 8 material lifting cylinder. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0027] Referring to Figures 1-5 A mold for manufacturing plastic toy parts, comprising a lower die seat 1, a cavity 11 is formed in the lower die seat 1, a top plate 3 is arranged above the lower die seat 1, a vertical cylinder 34 and a guide rod 32 are arranged on the top plate 3, an upper die seat 31 is arranged on the vertical cylinder 34, a core 33 is arranged on the upper die seat 31, a bottom plate 2 is arranged below the lower die seat 1, a glue melting box 21 is arranged on the bottom plate 2, a liquid injection pump 23 is arranged on the glue melting box 21, a main liquid pipe 24 is connected to the liquid injection pump 23, a material lifting cylinder 8 is arranged on the bottom plate 2, a liquid distribution ring pipe 5 is connected to the main liquid pipe 24, and a sub-liquid pipe 6 is connected to the liquid distribution ring pipe 5.
[0028] A bottom support 12 is arranged on the lower die seat 1, a pipe supporting table 4 is arranged on the bottom support 12, and a pipe supporting groove 41 is formed in the pipe supporting table 4.
[0029] The main liquid pipe 24, the liquid distribution ring pipe 5 and the sub-liquid pipe 6 are provided with a heat preservation sleeve layer 7, the liquid injection pump 23 is a commonly used body, is resistant to high temperature, can continue to extract and transport the melted plastic liquid in liquid form, and is the prior art.
[0030] The liquid distribution ring pipe 5 is communicated with the main liquid pipe 24 and the auxiliary liquid pipe 6 respectively, the auxiliary liquid pipe 6 is communicated with the cavity 11, the liquid plastic liquid in the glue melting tank 21 can be transported and injected into the cavity 11 through the four auxiliary liquid pipes 6.
[0031] The liquid distribution ring pipe 5 is communicated with the main liquid pipe 24 and the auxiliary liquid pipe 6 respectively, the auxiliary liquid pipe 6 is communicated with the cavity 11, the liquid plastic liquid in the glue melting tank 21 can be transported and injected into the cavity 11 through the four auxiliary liquid pipes 6.
[0032] The auxiliary liquid pipe 6 and the main liquid pipe 24 are horizontally aligned, realizing the horizontal transportation of the liquid plastic liquid.
[0033] The glue melting tank 21 is provided with a feeding pipe 22, which facilitates the feeding or real-time supplement of plastic particles.
[0034] The pipe supporting table 4 and the auxiliary liquid pipe 6 are a group, a total of four groups arranged in a circle, the pipe supporting table 4 is a trapezoidal structure and is fixedly arranged with the bottom support 12, the side section of the bottom support 12 is a U-shaped structure, the trapezoidal structure pipe supporting table 4 made of hard alloy steel has high stability, does not deform, and is wear-resistant and durable.
[0035] The pipe supporting groove 41 is arranged at the upper end of the pipe supporting table 4, the pipe supporting groove 41 is an arc-shaped inner groove and is matched with the liquid distribution ring pipe 5 and the auxiliary liquid pipe 6, thereby effectively and stably supporting the bottom of the liquid distribution ring pipe 5 and the auxiliary liquid pipe 6.
[0036] The heat preservation sleeve layer 7 is uniformly arranged along the outer pipe wall of the main liquid pipe 24, the liquid distribution ring pipe 5 and the auxiliary liquid pipe 6, the heat preservation sleeve layer 7 is made of glass fiber felt material and has a thickness of two to three centimeters, the glass fiber felt material has excellent heat preservation property, avoids heat dissipation, and is corrosion-resistant and durable.
[0037] Working mode: a proper amount of plastic particles is fed into the glue melting tank 21 through the feeding pipe 22, the heating wire embedded in the inner side wall of the glue melting tank 21 heats and melts the plastic particles into liquid plastic liquid, then the liquid plastic liquid in the glue melting tank 21 is pumped into the main liquid pipe 24, and then the liquid plastic liquid is injected into the four sides of the lower mold base 31 through the liquid distribution ring pipe 5 and the four auxiliary liquid pipes 6, after the injection is completed, the liquid pump 23 is stopped and the vertical cylinder 34 is started, driving the upper mold base 31 and the core 33 to move downward, after the core 33 is inserted into the cavity 11, the vertical cylinder 34 is stopped, when the liquid plastic liquid cools and solidifies, the core 33 is moved upward and reset through the vertical cylinder 34, then the mold ejection cylinder 8 is started to eject the cooled and solidified plastic tire product in the cavity 11 upward, realizing the mold stripping operation, and the plastic tire integrated injection molding is realized.
[0038] The operation can separate and transport the liquid plastic liquid in the glue melting box 21, and inject the liquid into the cavity 11 through four auxiliary liquid pipes 6, thereby improving the efficiency of the injection of the liquid into the cavity 11 of the injection mold for the plastic tire of the off-road remote control plastic toy car.
[0039] Further, by arranging the heat preservation sleeve layer 7 on the outer wall surface of the main liquid pipe 24, the liquid ring pipe 5 and the auxiliary liquid pipe 6, the heat of the liquid plastic liquid in a high temperature state is prevented from being dissipated, thereby preventing the condensation and blocking caused by the heat dissipation of the liquid plastic liquid, and ensuring the smoothness of the heat preservation of the liquid plastic liquid.
[0040] In addition, the pipe supporting table 4 with the pipe supporting groove 41 can effectively and stably support the bottom of the liquid ring pipe 5 and the auxiliary liquid pipe 6, thereby preventing the bottom of the liquid ring pipe 5 and the auxiliary liquid pipe 6 from falling after long time use.
[0041] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.
Claims
1. A mold for manufacturing plastic toy parts, comprising a lower mold base (1), characterized in that: The lower mold base (1) is provided with a cavity (11), the upper part of the lower mold base (1) is provided with a top plate (3), the top plate (3) is provided with a vertical cylinder (34) and a guide rod (32), the vertical cylinder (34) is provided with an upper mold base (31), the upper mold base (31) is provided with a core (33), the lower part of the lower mold base (1) is provided with a bottom plate (2), the bottom plate (2) is provided with a melting tank (21), the melting tank (21) is provided with an injection pump (23), the injection pump (23) is connected to a main liquid pipe (24), the bottom plate (2) is provided with a top material cylinder (8), the main liquid pipe (24) is connected to a liquid distribution ring pipe (5), and the liquid distribution ring pipe (5) is connected to a secondary liquid pipe (6). The lower mold base (1) is provided with a bottom support (12), the bottom support (12) is provided with a support platform (4), and the support platform (4) is provided with a support groove (41). The main liquid pipe (24), the liquid distribution ring pipe (5), and the auxiliary liquid pipe (6) are provided with heat insulation sleeves (7).
2. The mold for manufacturing plastic toy parts according to claim 1, characterized in that: The liquid distribution ring pipe (5) is connected to the main liquid pipe (24) and the auxiliary liquid pipe (6) respectively, and the auxiliary liquid pipe (6) is connected to the cavity (11).
3. The mold for manufacturing plastic toy parts according to claim 1, characterized in that: The liquid distribution ring pipe (5) is a ring-shaped pipe body, and there is a gap between the inner wall of the liquid distribution ring pipe (5) and the lower mold base (1).
4. The mold for manufacturing plastic toy parts according to claim 1, characterized in that: The auxiliary liquid pipe (6) and the main liquid pipe (24) are horizontally aligned, and the melting tank (21) is provided with a feeding pipe (22).
5. A mold for manufacturing plastic toy parts according to claim 1, characterized in that: The support platform (4) and the auxiliary liquid pipe (6) are a group, and there are four groups arranged in a circle. The support platform (4) is a trapezoidal structure and is fixedly installed with the bottom support (12). The side section of the bottom support (12) is a U-shaped structure.
6. A mold for manufacturing plastic toy parts according to claim 1, characterized in that: The hosting tank (41) is located at the upper end of the hosting platform (4). The hosting tank (41) is an arc-shaped inner groove and is matched and sleeved with the liquid distribution ring pipe (5) and the auxiliary liquid pipe (6) respectively.
7. A mold for manufacturing plastic toy parts according to claim 1, characterized in that: The insulation sleeve (7) is uniformly installed along the outer wall of the main liquid pipe (24), the liquid distribution ring pipe (5), and the auxiliary liquid pipe (6). The insulation sleeve (7) is made of glass fiber felt and its side section thickness is two to three centimeters.