Automobile lightweight injection mold convenient for core pulling
The core-pulling process, precisely controlled by hydraulic rods and electric push rods, combined with real-time observation by electric slide rails and cameras, solves the problem of part damage caused by poor core-pulling in traditional molds. This achieves efficient and safe demolding operations, improving finished product quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHEN ZHEN HENG JIA JING MI MO JU ZHU SU YOU XIAN GONG SI
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-17
AI Technical Summary
Traditional automotive lightweight injection molds have insufficient core-pulling operation, which can lead to deformation, surface damage, or even breakage of parts during demolding, increasing scrap rates and wasting materials and energy.
The core-pulling process is precisely controlled by hydraulic rods and electric push rods, combined with an electric slide rail driven camera for real-time observation and inspection, simplifying the template replacement process and improving equipment utilization and operational safety.
To ensure a smooth core-pulling process, avoid damage to parts, improve the quality and consistency of finished products, reduce operational risks, minimize downtime, and enhance production stability and safety.
Smart Images
Figure CN224130331U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic molding technology, and in particular to a lightweight injection mold for automobiles that facilitates core pulling. Background Technology
[0002] Lightweight injection molds for automobiles are tools specifically designed for manufacturing automotive parts, with a particular emphasis on reducing the overall weight of the vehicle through the use of lightweight materials. These molds are primarily used in injection molding processes, a common plastic processing method suitable for producing a wide variety of plastic parts.
[0003] After the injection molding of lightweight automotive injection molds is completed, a core-pulling operation is usually required to remove the parts smoothly. However, if the traditional core-pulling operation is not smooth enough, the parts may deform, suffer surface damage, or even break during the demolding process. These problems not only directly affect the quality of the finished product and lead to a significant increase in the scrap rate, but also cause unnecessary waste of raw materials and energy.
[0004] To address the existing problems, there is a need to provide a lightweight automotive injection mold that facilitates core pulling. Utility Model Content
[0005] To overcome the drawback of insufficient core pulling, this utility model provides a lightweight automotive injection mold that facilitates core pulling.
[0006] The technical solution of this utility model is as follows: a lightweight injection mold for automobiles that facilitates core pulling, comprising a base, an injection mold, a mounting frame, a hydraulic rod, a lifting frame, a pressure plate, a first electric push rod, a pushing frame, a feeding machine, an external pipe, a connecting pipe, and a nozzle. The injection mold is mounted on the base, and the mounting frame is mounted on the base. A hydraulic rod is mounted in the middle of the top surface of the mounting frame. A lifting frame is slidably connected inside the mounting frame. The telescopic end of the hydraulic rod is connected to the lifting frame. A pressure plate is provided inside the lifting frame. First electric push rods are symmetrically mounted front and back in the middle of the top surface of the mounting frame. A pushing frame is connected to the telescopic end of each of the two first electric push rods. The pushing frame contacts and cooperates with the pressure plate. A feeding machine is symmetrically mounted front and back on the mounting frame. External pipes are symmetrically connected left and right to each of the two feeding machines. A connecting pipe is connected to each of the two feeding machines. Nozzles are mounted on each of the two pushing frames. Two connecting pipes are connected to the nozzles at corresponding positions.
[0007] In one embodiment, the device further includes a connecting block, a second electric push rod, a mounting plate, a sliding frame, a docking block, and a spring. The pressing template is symmetrically connected to the left and right sides, the mounting frame is symmetrically installed to the left and right sides, the top surface of the lifting frame is symmetrically installed to the left and right sides, the two mounting plates are slidably connected to the sliding frames, the two sliding frames are connected to the docking blocks, the docking blocks are in contact with the connecting blocks, and the two docking blocks are connected to the mounting plates at the corresponding positions by springs.
[0008] In one embodiment, the system further includes a connecting frame, an electric slide rail, a slider, a rotating frame, and a camera. The connecting frames are symmetrically connected to the base on both sides. Electric slide rails are installed on both connecting frames. Sliders are slidably connected to both electric slide rails. Rotating frames are rotatably connected to both sliders. Cameras are installed on both rotating frames.
[0009] In one embodiment, a reinforcing plate is also included, with a reinforcing plate connected to each of the two electric slide rails, and the inner side of the reinforcing plate is connected to the mounting bracket.
[0010] In one embodiment, an observation window is also included, with observation windows provided on both feeding machines.
[0011] In one embodiment, the size of the pusher is consistent with the size of the through slot on the pressure plate.
[0012] The beneficial effects of this utility model are as follows: 1. Traditional core-pulling operations are inconvenient and may cause quality problems such as deformation, surface damage or even breakage of parts during demolding. However, this device ensures the smoothness of the core-pulling process by precisely controlling the movement of the hydraulic rod and electric push rod, effectively avoiding these problems and thus improving the quality and consistency of the finished product.
[0013] 2. When the pressure plate needs to be replaced, the unlocking and locking of the docking block can be quickly completed by activating the second electric push rod, which simplifies the pressure plate replacement process, further reduces downtime, and improves equipment utilization.
[0014] 3. The electric slide rail drives the slider to move the camera to a suitable position, which facilitates real-time observation and inspection of the injection mold by the staff, ensuring high precision and stability in the production process. At the same time, the application of the camera also reduces the risk of operators directly contacting the high-temperature mold and enhances the safety of operation. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a cross-sectional view of the mounting bracket, lifting frame, and injection mold of this utility model.
[0017] Figure 3 This is a three-dimensional structural diagram of the lifting frame, the first electric push rod, and the push frame of this utility model.
[0018] Figure 4 This is a three-dimensional structural diagram of the feeding machine, connecting pipe, and nozzle of this utility model.
[0019] Figure 5This is an exploded view of the lifting frame and pressure template of this utility model.
[0020] Figure 6 This is a three-dimensional structural diagram of the second electric push rod, mounting plate, and sliding frame of this utility model.
[0021] Figure 7 This is a three-dimensional structural diagram of the connecting frame, electric slide rail, and slider of this utility model.
[0022] The components in the diagram are labeled as follows: 1-base, 2-injection mold, 3-mounting bracket, 4-hydraulic rod, 5-lifting frame, 501-pressure plate, 6-first electric push rod, 7-push frame, 8-unloading machine, 801-external pipe, 9-connecting pipe, 10-nozzle, 11-connecting block, 12-second electric push rod, 13-mounting plate, 14-sliding frame, 15-connecting block, 16-spring, 17-connecting frame, 18-electric slide rail, 19-slider, 20-rotating frame, 21-camera, 22-reinforcing plate, 23-observation window. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.
[0024] Example: A lightweight automotive injection mold that facilitates core pulling, such as... Figures 1-7As shown, the system includes a base 1, an injection mold 2, a mounting frame 3, a hydraulic rod 4, a lifting frame 5, a pressing plate 501, a first electric push rod 6, a pushing frame 7, a feeding machine 8, an external pipe 801, a connecting pipe 9, a nozzle 10, a connecting block 11, a second electric push rod 12, a mounting plate 13, a sliding frame 14, a docking block 15, a spring 16, a connecting frame 17, an electric slide rail 18, a slider 19, a rotating frame 20, a camera 21, a reinforcing plate 22, and an observation window 23. The injection mold 2, the core component for molding plastic products, is mounted on the base 1. The mounting frame 3 is mounted on the base 1, and a hydraulic rod 4 is mounted in the center of the top surface of the mounting frame 3. A lifting frame 5 is slidably connected inside the mounting frame 3, and the telescopic end of the hydraulic rod 4 is fixedly connected to the lifting frame 5. A pressing mold is located inside the lifting frame 5. On plate 501, symmetrically mounted front and rear of the top center of mounting frame 3 are first electric push rods 6. Each of the two first electric push rods 6 has a push frame 7 connected to its telescopic end. The push frame 7 contacts and engages with the pressing plate 501. The size of the push frame 7 matches the size of the through groove on the pressing plate 501, and is used for core pulling and demolding. Symmetrically mounted on mounting frame 3 are feeding machines 8 for feeding the release agent. Symmetrically connected to each of the two feeding machines 8 are external pipes 801, allowing connection to external equipment for feeding the feeding machines 8. Each of the two feeding machines 8 is connected to a connecting pipe 9 to ensure the raw material is accurately delivered to the designated position. Each of the two push frames 7 is equipped with a nozzle 10, and the two connecting pipes 9 are connected to the corresponding nozzles 10. The raw materials delivered through the connecting pipe 9 are precisely sprayed. Connecting blocks 11 are symmetrically connected to the pressing template 501, interacting with the docking blocks 15 to ensure the correct position and stability of the pressing template 501. Second electric push rods 12 are symmetrically installed on the mounting frame 3 to adjust the position of the sliding frame 14. Mounting plates 13 are symmetrically installed on the center of the top surface of the lifting frame 5. Sliding frames 14 are slidably connected to both mounting plates 13, and docking blocks 15 are connected to both sliding frames 14. The docking blocks 15 contact and cooperate with the connecting blocks 11 to ensure the accurate positioning of the pressing template 501. Springs 16 connect the two docking blocks 15 to the corresponding mounting plates 13. Connecting frames 17 are symmetrically connected to the base 1. Each connecting frame 17 is equipped with an electric slide rail 18, which can change the position of the rotating frame 20 and the camera 21. Each of the two electric slide rails 18 is slidably connected to a slider 19, and each of the two sliders 19 is rotatably connected to a rotating frame 20, which is mounted on the slider 19 and can rotate freely, facilitating all-round observation by the camera 21. Each of the two rotating frames 20 is equipped with a camera 21 for monitoring the production process and ensuring product quality. Each of the two electric slide rails 18 is connected to a reinforcing plate 22, the inner side of which is connected to the mounting frame 3 to enhance the stability of the electric slide rail 18 and connect it to the mounting frame 3 to improve the overall structural robustness. Each of the two unloading machines 8 is provided with an observation window 23, which is set on the unloading machine 8 to allow the operator to intuitively observe the unloading situation.
[0025] When this device is needed, the operator can activate the hydraulic rod 4 and the two first electric push rods 6. The telescopic ends of the hydraulic rod 4 and the first electric push rods 6 extend and retract. The telescopic end of the hydraulic rod 4 drives the lifting frame 5 and its related components to move downwards. The telescopic ends of the two first electric push rods 6 drive the push frame 7 to move towards each other. When the pressure plate 501 inside the lifting frame 5 moves to contact the injection mold 2 and achieves a seal, the operator can then close the hydraulic rod 4 and the two first electric push rods 6. Subsequently, the injection mold 2 and the pressure plate 501 can be used for... In the injection molding process, after injection molding is completed and cooled, the operator can start the two unloading machines 8. The unloading machines 8 deliver the internal release agent to the nozzles 10 through the connecting pipes 9, and spray it out from the nozzles 10, so that the release agent is evenly sprayed on the surface of the mold after molding. After spraying is completed, the unloading machines 8 are turned off. Then, the operator starts the hydraulic rod 4 again. The telescopic end of the hydraulic rod 4 drives the lifting frame 5 to retract and reset. When the lifting frame 5 moves upward, it will drive the mold after molding to move upward as well. At this time, the two pushing frames 7 will block the mold after molding, causing it to detach. The lifting frame 5 falls onto the injection mold 2, thus completing the core-pulling and demolding process. During this process, the operator can also activate two electric slide rails 18, which drive the slider 19 to move the camera 21 to a suitable position for observation of the injection mold 2. Next, the operator can activate two first electric push rods 6, causing the telescopic ends of the first electric push rods 6 to drive the push frame 7 to reset. If it is necessary to replace the pressure plate 501, the operator can activate two second electric push rods 12. The telescopic end of rod 12 drives the sliding frame 14 to move inward, the sliding frame 14 drives the docking block 15 to move, and the spring 16 is compressed. At this time, the docking block 15 no longer limits the connection block 11, and the worker can remove the pressure template 501 and install a new pressure template 501. After the new pressure template 501 is placed, the worker starts the second electric push rod 12 again, and its telescopic end drives the sliding frame 14 and the docking block 15 to reset. The docking block 15 limits the connection block 11 again, and the spring 16 resets, thus completing the replacement of the pressure template 501.
[0026] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.
Claims
1. A lightweight automotive injection mold for easy core pulling, characterized in that: The system includes a base (1), an injection mold (2), a mounting bracket (3), a hydraulic rod (4), a lifting frame (5), a pressure plate (501), a first electric push rod (6), a push frame (7), a feeding machine (8), an external pipe (801), a connecting pipe (9), and a nozzle (10). The injection mold (2) is mounted on the top of the base (1), and the mounting bracket (3) is mounted on the top of the base (1). The hydraulic rod (4) is mounted on the middle of the top surface of the mounting bracket (3). The lifting frame (5) is slidably connected inside the mounting bracket (3). The telescopic end of the hydraulic rod (4) is fixedly connected to the lifting frame (5). The lifting frame (5) is equipped with a pressure plate inside. The template (501) and the mounting frame (3) are symmetrically equipped with first electric push rods (6) at the front and back of the top center. Pushing frames (7) are fixedly connected to the telescopic ends of the two first electric push rods (6). The pushing frames (7) are in contact with the pressing template (501). The mounting frame (3) is symmetrically equipped with feeding machines (8) at the top front and back. External pipes (801) are fixedly connected to the two feeding machines (8) symmetrically on the left and right. Connecting pipes (9) are fixedly connected to the two feeding machines (8). Sprayers (10) are installed on the two pushing frames (7). The two connecting pipes (9) are fixedly connected to the corresponding sprayers (10).
2. The automobile lightweight injection mold facilitating core pulling according to claim 1, characterized in that: It also includes a connecting block (11), a second electric push rod (12), a mounting plate (13), a sliding frame (14), a docking block (15), and a spring (16). The connecting block (11) is symmetrically fixed on the left and right sides of the pressing template (501). The second electric push rod (12) is symmetrically installed on the left and right sides of the mounting frame (3). The mounting plate (13) is symmetrically installed on the left and right sides of the top center of the lifting frame (5). The sliding frame (14) is slidably connected on both mounting plates (13). The docking block (15) is connected to both sliding frames (14). The docking block (15) is in contact with the connecting block (11). The spring (16) is connected between the two docking blocks (15) and the corresponding mounting plate (13).
3. The automobile lightweight injection mold facilitating core pulling according to claim 2, characterized in that: It also includes a connecting frame (17), an electric slide rail (18), a slider (19), a rotating frame (20), and a camera (21). The connecting frame (17) is fixedly connected to the base (1) symmetrically on the left and right. An electric slide rail (18) is installed on each of the two connecting frames (17). A slider (19) is slidably connected to each of the two electric slide rails (18). A rotating frame (20) is rotatably connected to each of the two sliders (19). A camera (21) is installed on each of the two rotating frames (20).
4. The automobile lightweight injection mold facilitating core pulling according to claim 3, characterized in that: It also includes a reinforcing plate (22), which is connected to both electric slide rails (18). The inner side of the reinforcing plate (22) is fixedly connected to the mounting bracket (3).
5. The automobile lightweight injection mold facilitating core pulling according to claim 4, characterized in that: It also includes an observation window (23), and both feeding machines (8) have an observation window (23).
6. The automobile lightweight injection mold facilitating core pulling according to claim 5, characterized in that: The dimensions of the pusher (7) are consistent with the dimensions of the through slot on the pressure plate (501).