A new energy vehicle machining mold
By using a hydraulically driven ejection structure and ejector pin structure, the problem of workpiece retention caused by insufficient spring return force is solved, achieving stable demolding of workpieces and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAHE SEIKO FOR& CASTS
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-26
AI Technical Summary
In existing injection molds, insufficient spring return force during material ejection causes workpieces to remain stuck, increasing maintenance costs and production downtime.
The hydraulically driven ejection structure and ejector pin structure, combined with the sliding fit between the rollers and the limiting groove, provide a stable and sufficient ejection force to ensure complete demolding of the workpiece.
This effectively avoids workpiece delays, improves production efficiency and product quality, and reduces maintenance costs.
Smart Images

Figure CN224276033U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold technology for new energy vehicle parts, specifically a machining mold for new energy vehicles. Background Technology
[0002] Injection molds are widely used in the production of new energy vehicle parts.
[0003] In existing injection molds, the ejector pins are typically driven by the reaction force of a spring to push the workpiece out of the mold during ejection.
[0004] However, this design has obvious drawbacks:
[0005] 1. Limited spring return force: When the adhesion force between the workpiece and the mold is large, the spring force may not be sufficient to completely eject the workpiece, causing the workpiece to remain in the mold, affecting production efficiency and product quality.
[0006] 2. High maintenance costs: Material jamming issues increase equipment maintenance costs and production downtime.
[0007] Therefore, we propose a machining mold for new energy vehicles. Utility Model Content
[0008] (a) Technical problems to be solved
[0009] To address the shortcomings of existing technologies, this utility model provides a machining mold for new energy vehicles, which avoids the situation where workpieces remain stuck in the mold, improves the stability of material cutting, and can effectively solve the problems in the background technology.
[0010] (II) Technical Solution
[0011] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a machining mold for new energy vehicles, comprising a base plate, a lower injection mold, and an upper injection mold. A first side plate is fixedly installed between the left and right ends of the upper outer surface of the base plate and the left and right ends of the lower outer surface of the lower injection mold. The upper injection mold is located above the lower injection mold. A bottom plate is provided at the lower part of the base plate. A second side plate is fixedly installed between the left and right ends of the upper outer surface of the bottom plate and the left and right ends of the lower outer surface of the base plate. A material ejection structure is installed in the middle of one side of the base plate. An ejector pin structure is installed on the upper part of the base plate. The material ejection structure includes a material ejection structure, a triangular moving block, a limiting groove, a concave block, a sliding rod, a mounting plate, and a hydraulic rod. The ejector pin structure includes a lifting plate, a guide rod, a guide ring, an ejector pin, a mounting bracket, a roller, a connecting shaft, a limiting block, and a compression spring. The material ejection structure is fixedly installed in the middle of the front outer surface of the base plate, and the mounting plate is fixedly installed on the upper outer surface of the material ejection structure at the end away from the base plate.
[0012] Preferably, the mounting plate is fixed to the outer wall of one end of the cylinder of the hydraulic rod, the outer surface of one end of the piston rod of the hydraulic rod is fixedly connected to the middle of the outer surface of one end of the triangular moving block, the limiting groove is opened on the upper outer surface of the triangular moving block, and there are two sets of sliding rods and two sets of concave blocks. The two sets of sliding rods are fixedly installed on the lower part of the outer surfaces on both sides of the triangular moving block, and the two sets of concave blocks are fixedly installed on the left and right sides of the middle of the upper outer surface of the base plate.
[0013] Preferably, the outer wall of the slide rod and the inner wall of the concave block are slidably connected.
[0014] Preferably, there are two sets of the guide rod, guide ring, limiting block and compression spring. The two sets of guide rings are fixedly installed at the middle of the left and right ends of the upper outer surface of the substrate, and the guide rod passes through the guide ring. The outer wall of the guide rod and the inner wall of the guide ring are slidably connected.
[0015] Preferably, the ejector pin is fixedly installed on the upper outer surface of the lifting plate, the lifting plate is located at the lower part of the injection mold, and the two sets of guide rods are fixedly installed on the left and right ends of the lower outer surface of the lifting plate.
[0016] Preferably, the limiting block is fixedly installed on the lower outer surface of the guide rod, the compression spring is sleeved on the lower outer wall of the guide rod, the compression spring is fixedly installed between the upper outer surface of the limiting block and the lower outer surface of the lower injection mold, and the upper outer surface of the limiting block is elastically connected to the lower outer surface of the lower injection mold through the compression spring.
[0017] Preferably, the mounting bracket is fixed to the middle of the lower outer surface of the lifting plate, the roller is fixed to the outer wall of the middle of the connecting shaft, a bearing is provided between the connecting shaft and the mounting bracket, the connecting shaft is rotatably connected to the lower part of the mounting bracket through the bearing, and the roller slides in the limiting groove.
[0018] (III) Beneficial Effects
[0019] Compared with the prior art, this utility model provides a machining mold for new energy vehicles, which has the following beneficial effects:
[0020] 1. This new energy vehicle machining mold, through a hydraulically driven ejection structure combined with an ejector pin structure, can provide stable and sufficient ejection force, ensuring that the workpiece is completely demolded from the lower injection mold, effectively solving the problem of workpiece retention caused by insufficient elasticity in traditional spring ejection mechanisms.
[0021] 2. This new energy vehicle machining mold uses a hydraulic rod to drive a triangular moving block, combined with the sliding cooperation of rollers and limit grooves, which makes the lifting and lowering movement of the ejector pin more stable and controllable, avoiding the unstable feeding phenomenon caused by the elastic force fluctuation of the traditional spring mechanism. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of a machining mold for new energy vehicles according to this utility model.
[0023] Figure 2 This is a schematic diagram of the material ejection structure in a machining mold for a new energy vehicle according to this utility model.
[0024] Figure 3 This is a partial structural schematic diagram of a machining mold for new energy vehicles according to this utility model.
[0025] Figure 4 This is a schematic diagram of the ejector pin structure in a machining mold for a new energy vehicle according to this utility model.
[0026] In the diagram: 1. Base plate; 2. Lower injection mold; 3. Upper injection mold; 4. First side plate; 5. Base plate; 6. Second side plate; 7. Unloading structure; 8. Triangular moving block; 9. Limiting groove; 10. Concave block; 11. Sliding rod; 12. Mounting plate; 13. Hydraulic rod; 14. Lifting plate; 15. Guide rod; 16. Guide ring; 17. Ejector pin; 18. Mounting bracket; 19. Roller; 20. Connecting shaft; 21. Limiting block; 22. Compression spring. Detailed Implementation
[0027] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0028] This embodiment is a machining mold for new energy vehicles.
[0029] like Figure 1-4 As shown, the system includes a substrate 1, a lower injection mold 2, and an upper injection mold 3. A first side plate 4 is fixedly installed between the left and right ends of the upper outer surface of the substrate 1 and the left and right ends of the lower outer surface of the lower injection mold 2. The upper injection mold 3 is located above the lower injection mold 2. A bottom plate 5 is provided at the lower part of the substrate 1. A second side plate 6 is fixedly installed between the left and right ends of the upper outer surface of the bottom plate 5 and the left and right ends of the lower outer surface of the substrate 1. A material ejection structure 7 is installed in the middle of one side of the substrate 1. A material ejection structure 7 is installed on the upper part of the substrate 1. The ejector structure and ejector structure 7 include ejector structure 7, triangular moving block 8, limiting groove 9, concave block 10, sliding rod 11, mounting plate 12 and hydraulic rod 13. The ejector structure includes lifting plate 14, guide rod 15, guide ring 16, ejector pin 17, mounting bracket 18, roller 19, connecting shaft 20, limiting block 21 and compression spring 22. The ejector structure 7 is fixedly installed in the middle of the outer surface of the front end of the substrate 1, and the mounting plate 12 is fixedly installed on the upper outer surface of the ejector structure 7 away from the substrate 1.
[0030] Mounting plate 12 is fixed to the outer wall of one end of the cylinder in hydraulic rod 13. The outer surface of one end of the piston rod in hydraulic rod 13 is fixedly connected to the middle of the outer surface of one end of triangular moving block 8. Limiting groove 9 is opened on the upper outer surface of triangular moving block 8. There are two sets of sliding rods 11 and concave blocks 10. The two sets of sliding rods 11 are fixedly installed on the lower part of the outer surfaces on both sides of triangular moving block 8. The two sets of concave blocks 10 are fixedly installed on the left and right sides of the middle of the upper outer surface of base plate 1. The outer wall of sliding rod 11 and the inner wall of concave block 10 are slidably connected. There are two sets of guide rod 15, guide ring 16, limiting block 21 and compression spring 22. The two sets of guide ring 16 are fixedly installed on the middle of the left and right ends of the upper outer surface of base plate 1, and the guide rod 15 passes through the guide ring 16. The outer wall of guide rod 15 and the inner wall of guide ring 16 are slidably connected. Ejector pin 17 The upper outer surface of the lifting plate 14 is fixedly installed. The lifting plate 14 is located at the lower part of the lower injection mold 2. Two sets of guide rods 15 are fixedly installed at the left and right ends of the lower outer surface of the lifting plate 14. The limiting block 21 is fixedly installed on the lower outer surface of the guide rod 15. The compression spring 22 is sleeved on the lower outer wall of the guide rod 15. The compression spring 22 is fixedly installed between the upper outer surface of the limiting block 21 and the lower outer surface of the lower injection mold 2. The upper outer surface of the limiting block 21 is elastically connected to the lower outer surface of the lower injection mold 2 through the compression spring 22. The mounting frame 18 is fixed in the middle of the lower outer surface of the lifting plate 14. The roller 19 is fixed on the outer wall of the middle part of the connecting shaft 20. A bearing is provided between the connecting shaft 20 and the mounting frame 18. The connecting shaft 20 is rotatably connected to the lower part of the mounting frame 18 through the bearing. The roller 19 slides in the limiting groove 9.
[0031] It should be noted that this utility model is a machining mold for new energy vehicles. The base plate 1, the first side plate 4, the lower injection mold 2, and the upper injection mold 3 described herein are all prior art. Furthermore, the lower injection mold 2 is provided with ejector pin holes, and the ejector pin 17 can move up and down along these holes. This is readily known to those skilled in the art, and will not be elaborated further. The ejector structure 7 and the ejector pin structure, after mold separation between the upper injection mold 3 and the lower injection mold 2, drive the triangular moving block 8 through the operation of the hydraulic rod 13 in the ejector structure 7. The triangular moving block 8 slides along the concave block 10 via the slide rod 11, and the triangular moving block 8 presses against the roller 19. The roller 19 drives the lifting plate 14 to rise, and the lifting plate 14 drives the ejector pin 17 to rise, thus ejecting the workpiece. The lifting plate 14 drives the guide rod 15 to slide along the guide ring 16, and the guide rod 15 drives the limit block 21 to press against the compression spring 22. After ejection, the hydraulic rod 13 drives the triangular moving block 8 to reset. Due to the reaction force of the compression spring 22, the ejector pin 17 descends and resets, cooperating with the ejector structure 7.
[0032] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A machining mold for a new energy vehicle, comprising a base plate (1), a lower injection mold (2), and an upper injection mold (3), wherein a first side plate (4) is fixedly installed between the left and right ends of the upper outer surface of the base plate (1) and the left and right ends of the lower outer surface of the lower injection mold (2), and the upper injection mold (3) is located above the lower injection mold (2), characterized in that: The base plate (5) is provided at the lower part of the substrate (1). A second side plate (6) is fixedly installed between the left and right ends of the upper outer surface of the base plate (5) and the left and right ends of the lower outer surface of the substrate (1). A material ejection structure (7) is installed in the middle of one side of the substrate (1). A ejector pin structure is installed on the upper part of the substrate (1). The material ejection structure (7) includes a material ejection structure (7), a triangular moving block (8), a limiting groove (9), a concave block (10), a sliding rod (11), a mounting plate (12), and a hydraulic rod (13). The ejector pin structure includes a lifting plate (14), a guide rod (15), a guide ring (16), an ejector pin (17), a mounting bracket (18), a roller (19), a connecting shaft (20), a limiting block (21), and a compression spring (22). The material ejection structure (7) is fixedly installed in the middle of the front outer surface of the substrate (1). The mounting plate (12) is fixedly installed on the upper outer surface of the material ejection structure (7) at the end away from the substrate (1).
2. The machining mold for new energy vehicles according to claim 1, characterized in that: The mounting plate (12) is fixed to the outer wall of one end of the cylinder in the hydraulic rod (13). The outer surface of one end of the piston rod in the hydraulic rod (13) is fixedly connected to the middle of the outer surface of one end of the triangular moving block (8). The limiting groove (9) is opened on the upper outer surface of the triangular moving block (8). There are two sets of sliding rods (11) and concave blocks (10). The two sets of sliding rods (11) are fixedly installed on the lower part of the outer surface on both sides of the triangular moving block (8). The two sets of concave blocks (10) are fixedly installed on the left and right sides of the middle of the upper outer surface of the base plate (1).
3. A machining mold for new energy vehicles according to claim 2, characterized in that: The outer wall of the slide rod (11) and the inner wall of the concave block (10) are slidably connected.
4. A machining mold for new energy vehicles according to claim 3, characterized in that: The number of guide rods (15), guide rings (16), limiting blocks (21) and compression springs (22) are all in two sets. The two sets of guide rings (16) are fixedly installed at the middle of the left and right ends of the upper outer surface of the substrate (1), and the guide rods (15) pass through the guide rings (16). The outer wall of the guide rods (15) and the inner wall of the guide rings (16) are slidably connected.
5. A machining mold for new energy vehicles according to claim 4, characterized in that: The ejector pin (17) is fixedly installed on the upper outer surface of the lifting plate (14), which is located at the lower part of the injection mold (2). The two sets of guide rods (15) are fixedly installed on the left and right ends of the lower outer surface of the lifting plate (14).
6. A machining mold for new energy vehicles according to claim 5, characterized in that: The limiting block (21) is fixedly installed on the lower outer surface of the guide rod (15), and the compression spring (22) is sleeved on the lower outer wall of the guide rod (15). The compression spring (22) is fixedly installed between the upper outer surface of the limiting block (21) and the lower outer surface of the lower injection mold (2), and the upper outer surface of the limiting block (21) is elastically connected to the lower outer surface of the lower injection mold (2) through the compression spring (22).
7. A machining mold for new energy vehicles according to claim 5, characterized in that: The mounting bracket (18) is fixed in the middle of the lower outer surface of the lifting plate (14), the roller (19) is fixed in the outer wall of the middle of the connecting shaft (20), a bearing is provided between the connecting shaft (20) and the mounting bracket (18), the connecting shaft (20) is rotatably connected to the lower part of the mounting bracket (18) through the bearing, and the roller (19) slides in the limiting groove (9).