High-precision injection mold for motor vehicle running board
The injection mold, with its hydraulic drive and snap-fit design, solves the problem of uneven force during demolding in traditional molds, achieving uniform demolding and rapid disassembly, thus improving product quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGZHOU ANYONG IND CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-06-23
AI Technical Summary
Traditional injection molds suffer from uneven stress during demolding, which can damage products and affect product quality.
A hydraulic cylinder drives the push plate, which in turn moves the top block and the demolding plate synchronously, ensuring that the demolding force is evenly distributed. The upper mold can be easily disassembled through a snap-fit assembly.
This achieves uniform force distribution during demolding, preventing product damage and facilitating quick and easy disassembly of the upper mold, thus improving production efficiency and product quality.
Smart Images

Figure CN224391803U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding and demolding technology for foot pedals, and in particular to a high-precision injection mold for motor vehicle foot pedals. Background Technology
[0002] At present, most domestic mold companies have mastered the basic injection mold design and manufacturing technology. As the automotive industry continues to demand more personalized, lightweight and environmentally friendly products, the design of motor vehicle pedals is becoming more and more complex, which puts forward higher requirements for the precision, surface quality and production efficiency of injection molds.
[0003] Traditional injection molds require demolding during molding, but uneven force on both sides during demolding results in low precision, which can easily damage the product and affect product quality. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a high-precision injection mold for motor vehicle foot pedals, which aims to improve the problem of uneven force on both sides during demolding of traditional injection molds, which easily leads to damage to the product during the demolding process.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A high-precision injection mold for motor vehicle foot pedals includes a lower mold, an injection groove inside the lower mold, a demolding assembly outside the lower mold, a sliding column fixedly connected to the upper surface of the lower mold, and a support frame slidably connected to the outside of the sliding column.
[0007] Preferably, the demolding assembly includes a hydraulic cylinder, which is fixedly connected to the outside of the lower mold. The output end of the hydraulic cylinder is connected to a push plate, and a top block is fixedly connected to the upper surface of the push plate. A demolding template is slidably connected to the outside of the top block.
[0008] Preferably, a baffle is fixedly connected to the inner wall of the lower mold, and the outer side of the demolding mold is slidably connected to the outside of the baffle.
[0009] Preferably, the upper mold is snapped into the inside of the support frame, and a snap-fit assembly is provided on the outside of the upper mold.
[0010] Preferably, the buckle assembly includes a connecting plate, which is externally fixedly connected to the outside of the upper mold. A spring is provided inside the connecting plate, and a locking post is provided at one end of the spring. A push plate is externally fixedly connected to the locking post.
[0011] Preferably, the inner wall of the support frame is provided with a slot, and the end of the locking post away from the spring is externally engaged with the inner wall of the slot.
[0012] Preferably, the push plate is externally slidably connected to the inside of the lower mold.
[0013] Preferably, the outer side of the locking pin is slidably connected to the inside of the connecting plate, and the outer side of the push plate is slidably connected to the inside of the connecting plate.
[0014] This utility model has the following beneficial effects:
[0015] 1. In this utility model, the hydraulic cylinder pushes the push plate to slide, and the push plate drives the top block and the demolding template to move synchronously. Under the action of the baffle, the demolding template pushes the plastic part evenly, thereby ensuring that the demolding force is evenly distributed and avoiding damage to the product during the demolding process.
[0016] 2. In this utility model, manually pushing the push plate to slide will cause the locking column to slide, and at the same time, it will compress the spring, causing the locking column to disengage from the slot. The connecting plate can be pulled out to remove the upper mold and take out the finished product, thus achieving the effect of conveniently and quickly removing the upper mold for operators. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of a high-precision injection mold for a motor vehicle foot pedal proposed in this utility model;
[0018] Figure 2 This is a partial structural diagram of the lower mold of a high-precision injection mold for motor vehicle foot pedals proposed in this utility model;
[0019] Figure 3 This is a partial structural diagram of the push plate of a high-precision injection mold for motor vehicle foot pedals proposed in this utility model;
[0020] Figure 4 This is a partial structural diagram of the lower mold of a high-precision injection mold for motor vehicle foot pedals proposed in this utility model.
[0021] Legend:
[0022] 1. Lower mold; 2. Injection tank; 3. Demolding assembly; 301. Hydraulic cylinder; 302. Push plate; 303. Ejector block; 304. Demolding plate; 4. Baffle; 5. Sliding column; 6. Support frame; 7. Slot; 8. Upper mold; 9. Buckle assembly; 901. Connecting plate; 902. Spring; 903. Locking column; 904. Push plate. Detailed Implementation
[0023] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0024] Reference Figures 1-3 An embodiment of this utility model is provided: a high-precision injection mold for motor vehicle foot pedals, including a lower mold 1, an injection groove 2 is provided inside the lower mold 1, a demolding component 3 is provided outside the lower mold 1, a sliding column 5 is fixedly connected to the upper surface of the lower mold 1, and a support frame 6 is slidably connected to the outside of the sliding column 5.
[0025] Specifically, the lower mold 1 serves as the lower support structure for mold forming, the injection groove 2 is shaped like a foot pedal to provide space for foot pedal injection molding, the demolding assembly 3 is used to achieve uniform demolding and avoid product damage, the slide column 5 serves as a support frame 6 for pressing and sliding guidance, and the support frame 6 is used to support the upper mold 8 and slide outside the slide column 5.
[0026] Reference Figures 2-4 The demolding assembly 3 includes a hydraulic cylinder 301, which is fixedly connected to the outside of the lower mold 1. The output end of the hydraulic cylinder 301 is connected to a push plate 302. A top block 303 is fixedly connected to the upper surface of the push plate 302. A demolding template 304 is slidably connected to the outside of the top block 303. A baffle 4 is fixedly connected to the inner wall of the lower mold 1. The demolding template 304 is slidably connected to the outside of the baffle 4.
[0027] Specifically, the hydraulic cylinder 301 is used to drive the push plate 302 to slide, the push plate 302 is used to drive the top block 303 to move, the top block 303 is used to support the demolding template 304 to slide up and down, the demolding template 304 is used to contact the plastic part and achieve uniform demolding, and the baffle 4 is used to limit the sliding position of the demolding template 304 and ensure that the demolding template 304 slides up and down, thereby achieving the effect of ensuring uniform distribution of demolding thrust.
[0028] Reference Figures 2-4The support frame 6 has an upper mold 8 inside, and a buckle assembly 9 is provided on the outside of the upper mold 8. The buckle assembly 9 includes a connecting plate 901, which is fixedly connected to the outside of the upper mold 8. A spring 902 is provided inside the connecting plate 901, and a locking post 903 is provided at one end of the spring 902. A push plate 904 is fixedly connected to the outside of the locking post 903. A slot 7 is provided on the inner wall of the support frame 6, and the end of the locking post 903 away from the spring 902 is externally engaged with the inner wall of the slot 7. The push plate 302 is externally slidably connected to the inside of the lower mold 1. The locking post 903 is externally slidably connected to the inside of the connecting plate 901, and the push plate 904 is externally slidably connected to the inside of the connecting plate 901.
[0029] Specifically, the support frame 6 supports the upper mold 8, which cooperates with the lower mold 1 to form an injection cavity. The connecting plate 901 supports components such as the spring 902 and the locking post 903. The spring 902 drives the locking post 903 to keep it locked inside the slot 7. The locking post 903 is inserted into the slot 7 of the support frame 6 for positioning. The push plate 904 is used to manually push the locking post 903 while compressing the spring 902 to release the lock. The slot 7 cooperates with the locking post 903 to achieve positioning and locking of the upper mold 8. The lower mold 1 supports the sliding of the push plate 302 inside the lower mold 1. The connecting plate 901 supports the sliding of the locking post 903 and the push plate 904 inside the connecting plate 901, thereby achieving the effect of facilitating quick disassembly of the upper mold 8 by the operator.
[0030] Working principle: When using this high-precision injection mold for motor vehicle foot pedals, the upper mold 8 is first snapped into the inside of the support frame 6, and the snap pin 903 is inserted into the snap groove 7 of the support frame 6. The spring force of the spring 902 is used to fix it. Then, the support frame 6 is pressed down by the sliding column 5, so that the upper mold 8 and the lower mold 1 are closed to form the injection groove 2 cavity. Then, molten material is injected into the injection groove 2 through the injection molding equipment. After molding, the hydraulic cylinder 301 is activated to push the push plate 302 to slide. The sliding of the push plate 302 will drive the top block 303 and the demolding plate 304 to move synchronously. Under the action of the baffle 4, the demolding plate 304 pushes the plastic part evenly, thereby ensuring that the demolding force is evenly distributed and avoiding damage to the product during the demolding process.
[0031] After demolding, when it is necessary to remove the upper mold 8, manually pushing the push plate 904 will cause the locking post 903 to slide, and at the same time, it will compress the spring 902, causing the locking post 903 to disengage from the slot 7. The connecting plate 901 can then be pulled out to remove the upper mold 8 and take out the finished product. This allows operators to quickly remove the upper mold 8 and perform timely maintenance on it.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-precision injection mold for motor vehicle foot pedals, comprising a lower mold (1), characterized in that: The lower mold (1) has an injection groove (2) inside, and a demolding component (3) is provided on the outside of the lower mold (1). A sliding column (5) is fixedly connected to the upper surface of the lower mold (1), and a support frame (6) is slidably connected to the outside of the sliding column (5).
2. The high-precision injection mold for a motor vehicle foot pedal according to claim 1, characterized in that: The demolding assembly (3) includes a hydraulic cylinder (301), which is fixedly connected to the outside of the lower mold (1). The output end of the hydraulic cylinder (301) is connected to a push plate (302), and a top block (303) is fixedly connected to the upper surface of the push plate (302). A demolding template (304) is slidably connected to the outside of the top block (303).
3. The high-precision injection mold for a motor vehicle foot pedal according to claim 2, characterized in that: The inner wall of the lower mold (1) is fixedly connected to a baffle (4), and the outer side of the demolding template (304) is slidably connected to the outside of the baffle (4).
4. The high-precision injection mold for a motor vehicle foot pedal according to claim 1, characterized in that: The upper mold (8) is snapped into the inside of the support frame (6), and a snap-fit assembly (9) is provided on the outside of the upper mold (8).
5. A high-precision injection mold for motor vehicle foot pedals according to claim 4, characterized in that: The buckle assembly (9) includes a connecting plate (901), which is fixedly connected to the outside of the upper mold (8). A spring (902) is provided inside the connecting plate (901), and a locking post (903) is provided at one end of the spring (902). A push plate (904) is fixedly connected to the outside of the locking post (903).
6. A high-precision injection mold for a motor vehicle foot pedal according to claim 5, characterized in that: The inner wall of the support frame (6) is provided with a slot (7), and the end of the locking post (903) away from the spring (902) is externally engaged with the inner wall of the slot (7).
7. A high-precision injection mold for a motor vehicle foot pedal according to claim 3, characterized in that: The push plate (302) is externally slidably connected to the inside of the lower mold (1).
8. A high-precision injection mold for a motor vehicle foot pedal according to claim 5, characterized in that: The external of the locking pin (903) is slidably connected to the inside of the connecting plate (901), and the external of the push plate (904) is slidably connected to the inside of the connecting plate (901).