Injection molding device for electric vehicle injection molding part production
By introducing a circulating water cooling system with a cooling surround chamber and a transfer cooling chamber, as well as an ejector rod flipping plate mechanism, into the electric vehicle injection molding unit, the problems of low cooling efficiency and inconvenient demolding during the injection molding process are solved, achieving efficient cooling and convenient demolding, and improving production efficiency.
Patent Information
- Application Number
- CN202520457142.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing electric vehicle injection molding equipment suffers from low cooling efficiency and inconvenient demolding during the injection process, resulting in low production efficiency.
The system employs a cooling surround chamber and a transfer cooling chamber with circulating water cooling system within the supporting injection molding frame, combined with cooling copper pipes and forced convection heat exchange by fans to improve cooling efficiency; and achieves convenient demolding through ejector push rods and a flip plate mechanism.
It significantly improves cooling efficiency and demolding convenience during the injection molding process, thereby enhancing production efficiency and user experience.
Smart Images
Figure CN223803045U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle injection molding field especially relates to a kind of injection molding device for electric vehicle injection molding production. BACKGROUND
[0002] The injection molding device for electric vehicle injection molding production is a core equipment specially used for manufacturing plastic parts of electric vehicles. Its working principle is to melt plastic particles into a flowing state by heating and screw extrusion, then inject them into a precisely designed mold cavity under high pressure, and after cooling and solidification, form the required parts, including the shell, lampshade, instrument panel, interior trim and other functional or decorative components of electric vehicles.
[0003] During the injection molding process, cooling is usually done by liquid encapsulation. However, the cooling effect of the internal injection object is limited when the liquid is static, and the cooling efficiency is low. Moreover, after injection molding is completed, the plastic may stick to the inner wall, making demolding extremely inconvenient and requiring the use of various tools. SUMMARY
[0004] The utility model aims at solving the shortcomings in the prior art and provides an injection molding device for electric vehicle injection molding production, which improves the cooling efficiency during injection molding and the convenience of demolding after the device is completed.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] An injection molding device for electric vehicle injection molding production includes:
[0007] A support injection frame is provided for support. The rear end of the support injection frame is fixedly connected with a mounting bracket. The bottom end of the mounting bracket is fixedly connected with an electric push rod. The output end of the electric push rod is fixedly connected with a pressing plate. A injection slot is formed in the middle of the support injection frame. A cooling surrounding chamber is formed in the inside of the support injection frame. A transfer cooling chamber is formed in the lower inside of the support injection frame. A water inlet pipe is fixedly connected to the right side of the support injection frame. A water pump is fixedly connected to the outside of the water inlet pipe on the right side of the support injection frame. A drain pipe is fixedly connected to the left side of the support injection frame. A pressing cooling mechanism is installed at the bottom end of the support injection frame to maintain uniform water flow cooling.
[0008] An ejection block is used for sliding at the bottom of the injection slot. Two ejector push rods are fixedly connected to the both sides of the inside of the support injection frame. The output ends of the ejector push rods are connected to the both sides of the ejection block through a traction frame to realize demolding of the injection shell.
[0009] Further, the traction frame includes a moving block at the output end of the ejection push rod, and the moving block is rotationally connected with a turnover plate inside.
[0010] Further, the lower pressing and cooling mechanism includes a uniform heating plate at the bottom end of the support injection molding frame body, the bottom end of the uniform heating plate is uniformly fixedly connected with a plurality of cooling copper pipes, the lower side of the cooling copper pipe is uniformly arranged with a plurality of heat dissipation fins, the bottom end of the support injection molding frame body is fixedly connected with a support frame, the inner side of the support frame is fixedly connected with a cooling fan, the top end of the uniform heating plate is fixedly connected with a silicone grease pad, and the top end of the silicone grease pad is attached to the inside of the bottom end groove of the support injection molding frame body.
[0011] Further, the water inlet of the drain pipe penetrates the inner wall of the support injection molding frame body to enter the left side of the cooling surrounding chamber, and the water outlet of the drain pipe penetrates the inner wall of the support injection molding frame body to enter the left side of the transfer cooling chamber.
[0012] Further, the water outlet of the water inlet of the drain pipe penetrates the inner wall of the support injection molding frame body to enter the right side of the cooling surrounding chamber, and the water inlet of the drain pipe penetrates the inner wall of the support injection molding frame body to enter the right side of the transfer cooling chamber.
[0013] Further, the top end of the support injection molding frame body is fixedly connected with a limiting rod, and the outer side of the limiting rod is slidingly connected with the two sides of the lower pressing plate.
[0014] Further, the top end of the ejection block is fixedly connected with an anti-dropping piece, and the outer side of the anti-dropping piece is attached to the bottom end of the injection molding groove.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1、in the utility model, the water flow in the transfer cooling chamber is transmitted to the inside of the cooling surrounding chamber through the water inlet pipe, and then flows back into the inside of the transfer cooling chamber through the drain pipe, and the temperature of the water flow in the transfer cooling chamber is lowered by the attachment of the uniform heating plate, thereby improving the cooling efficiency of the device during injection molding and improving the production efficiency of the device to a certain extent.
[0017] 2、in the utility model, the ejection push rod on both sides simultaneously applies force to the moving block, which generates an inward extrusion force on the turnover plate, causing the turnover plate to turn and lift the ejection block upward, so that the injection molding shell is separated from the inside of the injection molding groove, thereby improving the convenience of post-molding stripping of the device and improving the daily use experience of the device. DRAWINGS
[0018] Figure 1 The utility model proposes an overall view of an injection molding device for producing injection molded parts of an electric vehicle;
[0019] Figure 2 The bottom view of the injection molding device for electric vehicle injection molding part production is provided in the utility model;
[0020] Figure 3 The bottom view of the injection molding device for electric vehicle injection molding part production is provided in the utility model;
[0021] Figure 4 The bottom view of the injection molding device for electric vehicle injection molding part production is provided in the utility model;
[0022] Legend:
[0023] 1, support injection molding frame; 2, mounting bracket; 3, electric push rod; 4, lower pressing plate; 5, limiting rod; 6, injection molding notch; 7, water inlet pipe; 8, water pump; 9, support frame; 10, cooling fan; 11, drain pipe; 12, heat plate; 13, silicone pad; 14, cooling copper pipe; 15, heat dissipation fin; 16, anti-drop piece; 17, cooling surrounding chamber; 18, ejection block; 19, turnover plate; 20, moving block; 21, ejection push rod; 22, transfer cooling chamber. DETAILED DESCRIPTION
[0024] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Referring to Figure 1 , Figure 2 and Figure 4 , the utility model provides an embodiment: a kind of injection molding device for electric vehicle injection molding part production, it include: for support's support injection molding frame 1, the rear end of the support injection molding frame 1 is fixedly connected with mounting bracket 2, the bottom end of the mounting bracket 2 is fixedly connected with electric push rod 3, the output end of the electric push rod 3 is fixedly connected with lower pressing plate 4, the middle part of the support injection molding frame 1 is equipped with injection molding notch 6, the inside of the support injection molding frame 1 is equipped with cooling surrounding chamber 17, the inside lower side of the support injection molding frame 1 is equipped with transfer cooling chamber 22, the right side of the support injection molding frame 1 is fixedly connected with water inlet pipe 7, the right side of the support injection molding frame 1 is fixedly connected with water pump 8 outside water inlet pipe 7, the left side of the support injection molding frame 1 is fixedly connected with drain pipe 11, the bottom end of the support injection molding frame 1 is equipped with lower pressing cooling mechanism, to keep the uniformity of water flow cooling, referring to Figure 3The lower temperature drop mechanism includes a uniform heating plate 12 located at the bottom end of the support injection frame 1, the bottom end of the uniform heating plate 12 is uniformly fixedly connected with a plurality of cooling copper pipes 14, the lower side of the cooling copper pipe 14 is uniformly arranged with a plurality of heat dissipation fins 15, the bottom end of the support injection frame 1 is fixedly connected with a support frame 9, the inner side of the support frame 9 is fixedly connected with a cooling fan 10, the top end of the uniform heating plate 12 is fixedly connected with a silicone grease pad 13, the top end of the silicone grease pad 13 is attached inside the bottom end groove of the support injection frame 1, the water inlet of the drain pipe 11 penetrates the inner wall of the support injection frame 1 to enter the left side of the cooling surrounding chamber 17, the water outlet of the drain pipe 11 penetrates the inner wall of the support injection frame 1 to enter the left side of the transfer cooling chamber 22, the water outlet of the water inlet of the water inlet 7 penetrates the inner wall of the support injection frame 1 to enter the right side of the cooling surrounding chamber 17, the water inlet of the water inlet 7 penetrates the inner wall of the support injection frame 1 to enter the right side of the transfer cooling chamber 22, the top end of the support injection frame 1 is fixedly connected with a limiting rod 5, the outer side of the limiting rod 5 is respectively slidably connected on both sides of the lower pressing plate 4;
[0026] After the injection molding groove 6 is placed in the injection molding material, the electric push rod 3 is started to drive the lower pressing plate 4 to move downward, so that it is tightly attached to the top of the support injection frame 1, the material is shaped, the water pump 8 is started at the same time, the cooling liquid in the transfer cooling chamber 22 is transported to the cooling surrounding chamber 17 through the water inlet pipe 7, the cooling liquid flows from right to left in the chamber, when the liquid level reaches the height of the drain pipe 11, it flows back to the transfer cooling chamber 22, forming a circulating cooling system, at the same time, the cooling fan 10 is started to blow upward, forced convection heat exchange is carried out on the plurality of cooling copper pipes 14 in the heat dissipation fin 15, the cooling effect is further strengthened through the uniform heating plate 12, and is stably conducted to the transfer cooling chamber 22 through the silicone grease pad 13, realizing efficient cooling of the cooling liquid, the optimized design significantly improves the cooling efficiency in the injection molding process, and further improves the overall production efficiency.
[0027] Referring to Figure 1 and 4 , the ejection block 18 is used for sliding at the bottom of the injection molding groove 6, the inner sides of the support injection frame 1 are fixedly connected with ejection push rods 21 on both sides of the ejection block 18, the output ends of the ejection push rods 21 are connected with both sides of the ejection block 18 through a traction frame, so as to realize demolding of the injection molding shell, the traction frame includes a moving block 20 located at the output end of the ejection push rod 21, the inner sides of the moving block 20 are rotatably connected with turnover plates 19, the top ends of the turnover plates 19 are respectively rotatably connected with the bottom ends of both sides of the ejection block 18, the top end of the ejection block 18 is fixedly connected with an anti-dropping piece 16, the outer side of the anti-dropping piece 16 is attached to the bottom end of the injection molding groove 6;
[0028] After the device completes the shaping cooling, the electric push rod 3 is started to lift the lower pressing plate 4, and the ejection push rod 21 on both sides inside the support injection frame body 1 is activated at the same time, the ejection push rod 21 pushes the moving block 20 to the inside, and then transmits the force to the turnover plate 19, due to the limiting action of the ejection block 18, the turnover plate 19 is turned over, and an upward pushing force is applied to the ejection block 18, at this time, the anti-drop sheet 16 contacts the injection shell, an upward force is generated, the injection shell is separated from the inner wall of the injection slot 6, thereby facilitating the taking out of the finished product, which significantly improves the convenience of demolding, optimizes the use experience of the device, and improves the operation efficiency.
[0029] Working principle: the raw material to be injection molded is placed in the inside of the injection slot 6, at this time, the electric push rod 3 is used to press the lower pressing plate 4, so that it is attached to the top of the support injection frame body 1, and the inside raw material is shaped, at this time, the water pump 8 is started, the liquid in the transfer cooling chamber 22 is discharged into the inside of the cooling surrounding chamber 17 through the water inlet pipe 7, the liquid is accumulated in the inside of the cooling surrounding chamber 17, and flows from right to left, the water flow in the inside of the cooling surrounding chamber 17 is discharged to the outside until the height of the drain pipe 11, and then enters the inside of the transfer cooling chamber 22 through the drain pipe 11, and the cooling fan 10 is started to blow upward, the multiple cooling copper pipes 14 in the inside of the heat dissipation fin 15 are cooled, the cooling copper pipes 14 are transmitted to the heat evenly plate 12, and the blowing of the cooling fan 10 also contacts the heat evenly plate 12 to further reduce the temperature of the heat evenly plate 12, the liquid in the inside of the transfer cooling chamber 22 is stably transmitted through the silicone grease pad 13, the inside liquid is cooled, after the shaping and cooling of the device are completed, the electric push rod 3 is started to lift the lower pressing plate 4, at this time, the ejection push rod 21 on both sides inside the support injection frame body 1 is started at the same time, an inward pushing force is applied to the moving block 20, and is transmitted to the turnover plate 19, the turnover plate 19 is turned over due to the limitation of the ejection block 18, thereby generating an upward pushing force on the ejection block 18, the anti-drop sheet 16 contacts the injection shell, thereby generating an upward force on the injection shell, so that the outside of the injection shell is separated from the inner wall of the injection slot 6, thereby facilitating the taking out.
[0030] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used 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, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. An injection molding device for producing an injection molded part of an electric vehicle, characterized in that Include: Supporting support injection molding frame (1), the rear end of the support injection molding frame (1) is fixedly connected with a mounting rack (2), the bottom end of the mounting rack (2) is fixedly connected with an electric push rod (3), the output end of the electric push rod (3) is fixedly connected with a lower pressing plate (4), the middle part of the support injection molding frame (1) is provided with an injection molding notch (6), the inside of the support injection molding frame (1) is provided with a cooling surrounding chamber (17), the inside of the support injection molding frame (1) is provided with a transfer cooling chamber (22), the right side of the support injection molding frame (1) is fixedly connected with a water inlet pipe (7), the right side of the support injection molding frame (1) is fixedly connected with a water pump (8) outside the water inlet pipe (7), the left side of the support injection molding frame (1) is fixedly connected with a drain pipe (11), the bottom end of the support injection molding frame (1) is provided with a lower pressing cooling mechanism for keeping the uniformity of water flow cooling. The ejection block (18) for sliding at the bottom of the injection molding notch (6), the inside of the support injection molding frame (1) is fixedly connected with an ejection push rod (21) on both sides of the ejection block (18), the output end of the ejection push rod (21) is connected with both sides of the ejection block (18) through a traction frame, so as to realize the demolding of the injection molding shell.
2. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The traction frame includes a moving block (20) at the output end of the ejection push rod (21), the inside of the moving block (20) is rotatably connected with a turnover plate (19), the top end of the turnover plate (19) is rotatably connected with the bottom end of the ejection block (18) respectively.
3. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The lower pressing cooling mechanism includes a uniform heating plate (12) at the bottom end of the support injection molding frame (1), the bottom end of the uniform heating plate (12) is fixedly connected with a plurality of cooling copper pipes (14), the lower side of the cooling copper pipe (14) is uniformly arranged with a plurality of heat dissipation fins (15), the bottom end of the support injection molding frame (1) is fixedly connected with a support frame (9), the inner side of the support frame (9) is fixedly connected with a cooling fan (10), the top end of the uniform heating plate (12) is fixedly connected with a silicone grease pad (13), the top end of the silicone grease pad (13) is attached to the inside of the bottom end groove of the support injection molding frame (1).
4. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The water inlet of the drain pipe (11) penetrates the inner wall of the support injection molding frame (1) to enter the left side of the cooling surrounding chamber (17), the water outlet of the drain pipe (11) penetrates the inner wall of the support injection molding frame (1) to enter the left side of the transfer cooling chamber (22).
5. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The water outlet of the water inlet pipe (7) penetrates the inner wall of the support injection molding frame (1) to enter the right side of the cooling surrounding chamber (17), the water inlet of the water inlet pipe (7) penetrates the inner wall of the support injection molding frame (1) to enter the right side of the transfer cooling chamber (22).
6. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The top end of the support injection molding frame (1) is fixedly connected with a limiting rod (5), the outer part of the limiting rod (5) is respectively connected with the two sides of the lower pressing plate (4).
7. The injection molding device for producing an injection molded part of an electric vehicle according to claim 1, characterized in that: The top end of the ejection block (18) is fixedly connected with an anti-drop piece (16), the outside of the anti-drop piece (16) is attached to the bottom end of the injection molding notch (6).