Multi-runner efficient automobile plastic part injection mold

Abstract

The utility model discloses a multi-runner efficient automobile plastic part injection mold, which relates to the technical field of automobile plastic part injection molds and comprises an injection molding table, a stress plate and an auxiliary mold are fixedly connected to one side of the top end of the injection molding table, and a main mold is arranged at the top end of the injection molding table. A discharging rod and a containing groove are formed in one side of the main mold and one side of the auxiliary mold, and a discharging groove and a containing box are arranged on the table top and the bottom of the injection molding table correspondingly. The multiple auxiliary molds and the multiple main molds are correspondingly distributed in the circumferential direction at equal intervals, and an injection molding unit and a feeding unit are arranged on one side of each main mold. According to the utility model, by arranging the feeding unit, the feeding efficiency of molten plastic can be accelerated by utilizing a motor to drive the spiral blade to roll and feed, and meanwhile, a plurality of plastic parts can be formed by injection molding at one time by additionally arranging a corresponding number of main molds and auxiliary molds and matching with the injection molding unit; and therefore, the production efficiency of the automobile parts is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive plastic parts injection mold technology, specifically a multi-channel high-efficiency automotive plastic parts injection mold. Background Art

[0002] Automotive plastic parts are the plastic components required for the production of automobiles. They are assembled with the car frame to form the car. In the production of plastic parts, injection molding machines and injection molds are used to mold the plastic parts. In the existing technology, when it is necessary to produce automotive plastic parts, the injection molding machine is started to close the injection mold. Then, the injection molding machine injects molten plastic into the mold. After that, it is cooled through the cooling pipes on the injection mold. Then, the injection mold is opened to obtain the molded plastic part.

[0003] According to a patent publication number CN219191056U, an injection mold for automotive plastic parts includes an injection molding machine and an injection table. A force plate and a secondary mold are fixedly connected to the top of the injection table. A main mold is fixedly connected to the surface of the injection molding machine. Several L-shaped ejector bars are fixedly connected to the side of the main mold. The secondary mold has three L-shaped receiving grooves inside. Through the arrangement of the ejector bars and receiving grooves, when the main mold leaves the secondary mold, the ejector bars will drive the plastic parts out of the secondary mold and automatically fall into the storage box at the bottom due to their own gravity. This eliminates the need for manual demolding, thereby improving ejection efficiency. However, this device can only inject and mold one plastic part at a time, resulting in low production efficiency. Therefore, we provide a multi-channel high-efficiency injection mold for automotive plastic parts. Utility Model Content

[0004] The purpose of this invention is to provide a multi-channel, high-efficiency injection mold for automotive plastic parts to solve the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A multi-channel high-efficiency injection mold for automotive plastic parts includes an injection platform. A force-bearing plate is fixedly connected to one side of the top of the injection platform, and a secondary mold is fixedly connected to the side wall of the force-bearing plate. A main mold is provided at the top of the injection platform. A material discharge rod and a receiving groove are formed on one side of the main mold and the secondary mold to facilitate automatic material discharge. A material discharge groove is opened on the table surface of the injection platform between the secondary mold and the main mold. A storage box is placed at the bottom of the injection platform below the material discharge groove.

[0007] The auxiliary mold and the main mold are provided with several correspondingly distributed and equidistantly arranged in a circle. One side of the main mold is provided with an injection unit for improving injection efficiency, and the inner side of the injection unit is provided with a feeding unit for rapid material loading.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] In an optional solution: the injection molding unit includes a vertical plate fixedly connected to one side of the top of the injection molding table, the side wall of the vertical plate is fixedly connected to a plurality of cylinders distributed in a matrix, the other side of the cylinder is fixedly connected to a disc, the main mold is fixedly connected to one side of the disc, and the interior of the disc is provided with a plurality of flow channels with a radial cross-section, which correspond one-to-one to the main mold.

[0010] In an optional solution: the feeding unit includes a support seat slidably connected to the top of the injection molding table, a motor is fixedly installed on the top of the support seat, one side of the output shaft of the motor is fixedly connected to a rotating rod, the side wall of the disc is fixedly connected to a feeding barrel, the rotating rod is rotatably connected to the inside of the feeding barrel, one side of the top of the feeding barrel is fixedly connected to a raw material barrel, the outer wall of the rotating rod is fixedly connected to a spiral blade, the inner wall of the feeding barrel is fixedly connected to a fixed seat, and one end of the rotating rod is rotatably connected to the inner side of the fixed seat.

[0011] In one alternative: the origin of each flow channel is located at the center of the disk, and the endpoints of the radiation extend to the midpoint of each main mold.

[0012] In an optional solution: a slide groove is opened on the top of the injection molding table, the bottom of the support seat is slidably connected to the inside of the slide groove, and the maximum distance that the support seat can move in the slide groove is equal to the distance between the auxiliary mold and the main mold.

[0013] In one alternative: the feeding cylinder is narrowed on the side near the disk, and the motor, rotating rod, feeding cylinder and the origin of the disk's radial path are located on the same axis.

[0014] In an optional solution, the outer wall of the raw material barrel is fixed to the side wall of the vertical plate through a mounting bracket.

[0015] In one alternative: heating strips are laid inside the raw material barrel, the feeding cylinder, and the disc.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] By providing a feeding unit, the utility model can accelerate the feeding efficiency of the molten plastic by utilizing a motor-driven spiral blade to roll and feed the material. At the same time, by adding a corresponding number of main molds and sub-molds and coordinating them with the injection molding unit, several plastic parts can be injection molded at one time, thereby effectively improving the production efficiency of automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 This is a structural diagram of the utility model from another perspective.

[0020] Figure 3 This is a front cross-sectional view of the injection unit and the feeding unit of the present invention.

[0021] Figure 4 It is a front cross-sectional view of the feeding unit of the present invention.

[0022] Figure 5 This is a side sectional view of the disc of this utility model.

[0023] Figure label annotations: 1. Injection table; 2. Force plate; 3. Sub-mold; 4. Main mold; 5. Feed rod; 6. Receiving groove; 7. Feed groove; 8. Storage box; 9. Vertical plate; 10. Cylinder; 11. Disc; 12. Runner; 13. Support base; 14. Motor; 15. Rotating rod; 16. Feeding cylinder; 17. Raw material barrel; 18. Spiral blade; 19. Fixed base. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0025] Example 1

[0026] In one embodiment, Figure 1-Figure 5 As shown, a multi-channel high-efficiency automotive plastic parts injection mold includes an injection platform 1. A force plate 2 is fixedly connected to one side of the top of the injection platform 1, and a secondary mold 3 is fixedly connected to the side wall of the force plate 2. A main mold 4 is set at the top of the injection platform 1. A feeding rod 5 and a receiving groove 6 are formed on one side of the main mold 4 and the secondary mold 3 to facilitate automatic feeding. A feeding groove 7 is opened on the table surface of the injection platform 1 between the secondary mold 3 and the main mold 4. A storage box 8 is placed at the bottom of the injection platform 1 below the feeding groove 7. Several secondary molds 3 and main molds 4 are arranged in a corresponding distribution and are equidistantly distributed in a circle. An injection unit for improving injection efficiency is set on one side of the main mold 4 to achieve the effect of obtaining multiple plastic parts in one injection molding. A feeding unit for rapid feeding is set on the inner side of the injection unit.

[0027] The injection unit includes a vertical plate 9 fixedly connected to one side of the top of the injection table 1. Several cylinders 10 arranged in a matrix are fixedly connected to the side wall of the vertical plate 9. The cylinders 10 are used to push the two molds to close and separate. A disc 11 is fixedly connected to the other side of the cylinder 10. The main mold 4 is fixedly connected to one side of the disc 11. Several flow channels 12 with radial cross-sections are opened inside the disc 11, and they correspond one-to-one with the main mold 4. The radial origin of each flow channel 12 is located at the center of the disc 11, and the radial endpoint extends to the midpoint of each main mold 4. This achieves the effect of injecting an equal amount of molten plastic into the corresponding main mold 4 at the same speed through each flow channel 12, thereby improving the precision of injection molding multiple parts at one time.

[0028] The feeding unit includes a support base 13 slidably connected to the top of the injection molding table 1. A groove is provided at the top of the injection molding table 1. The bottom of the support base 13 is slidably connected to the inside of the groove to limit the movement direction of the support base 13, thereby improving the stability of the device operation. The maximum distance the support base 13 can move within the groove is equal to the distance between the auxiliary mold 3 and the main mold 4, so that when the support base 13 moves from one side of the groove to the other, the two molds fit together perfectly. A motor 14 is fixedly installed at the top of the support base 13. A rotating rod 15 is fixedly connected to one side of the output shaft of the motor 14. A feeding cylinder 16 is fixedly connected to the middle of the side wall of the disc 11. The rotating rod 15 is rotatably connected to the inside of the feeding cylinder 16. A raw material bucket 17 is fixedly connected to one side of the top of the feeding cylinder 16. The raw material barrel 17 is used to hold the molten plastic raw material. The outer wall of the rotating rod 15 is fixedly connected to the spiral blades 18. The rotating rod 15 is driven by the motor 14 to rotate, causing the spiral blades 18 to start rolling. This allows the plastic raw material in the raw material barrel 17 to be carried along the feeding cylinder 16 for feeding, thus ensuring feeding efficiency. The inner wall of the feeding cylinder 16 is fixedly connected to the fixed seat 19. One end of the rotating rod 15 is rotatably connected to the inner side of the fixed seat 19 to increase the stability of the rotating rod 15. The side of the feeding cylinder 16 near the disc 11 is narrowed. The origin of the motor 14, the rotating rod 15, the feeding cylinder 16 and the disc 11 is located on the same axis. This design ensures that when the plastic is fed to the disc 11, it can move at a constant speed and in a constant amount along each flow channel 12.

[0029] Example 2

[0030] The outer wall of the raw material barrel 17 is fixedly installed on the side wall of the vertical plate 9 by a mounting bracket to increase the overall stability of the device when feeding materials.

[0031] Heating strips are installed inside the raw material barrel 17, the feeding cylinder 16 and the disc 11. This arrangement can ensure the ambient temperature of the molten plastic during the feeding process, thereby preventing the plastic from cooling down during feeding and causing the device to become blocked.

[0032] Working principle: When using this device to produce automotive plastic parts, first start the cylinder 10. The rod of the cylinder 10 extends and drives the disc 11 and the main mold 4 to move toward the secondary mold 3, so that the two injection molds are closed, and the feeding unit also moves synchronously along the chute. Then start the motor 14, and the motor 14 drives the rotating rod 15 to start rotating. The rotating rod 15 continues to drive the spiral blade 18 to start rotating. The rolling spiral blade 18 can follow the feeding barrel 16 to carry the molten plastic in the raw material barrel 17 toward the disc 11. After the plastic enters the disc 11, it will continue to diffuse radially along the multiple flow channels 12 opened inside it to each main mold 4. After entering the two molds, the molten plastic is cooled and formed by the cooling pipes on the molds. Finally, the rod of the cylinder 10 is controlled to retract to separate the two molds. With the cooperation of the discharge rod 5 and the receiving groove 6, the molded plastic parts will be automatically demolded and fall into the storage box 8 below through the discharge chute 7 due to their own weight, so that several plastic parts can be molded at one time.

[0033] The above embodiment discloses a multi-channel high-efficiency automobile plastic parts injection mold, wherein a feeding unit is provided and a motor 14 is used to drive the rotating rod 15 to rotate so that the spiral blade 18 rolls and feeds the material, thereby accelerating the feeding efficiency of the molten plastic. At the same time, by adding a main mold 4 and a sub-mold 3 that are evenly distributed on the circumference, and using a plurality of flow channels 12 corresponding to each main mold 4, a number of plastic parts can be injection molded at one time, thereby effectively improving the production efficiency of automobile plastic parts.

[0034] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A multi-channel high-efficiency automobile plastic parts injection mold, comprising an injection molding table (1), a force-bearing plate (2) is fixedly connected to one side of the top of the injection molding table (1), a sub-mold (3) is fixedly connected to the side wall of the force-bearing plate (2), a main mold (4) is arranged at the top of the injection molding table (1), a discharge rod (5) and a receiving groove (6) are formed on one side of the main mold (4) and the sub-mold (3), a discharge groove (7) is provided on the table top of the injection molding table (1) between the sub-mold (3) and the main mold (4), and a storage box (8) is placed on the bottom of the injection molding table (1) below the discharge groove (7); It is characterized in that The auxiliary mold (3) and the main mold (4) are provided with a plurality of correspondingly distributed and equidistantly distributed circumferentially; an injection unit for improving injection efficiency is provided on one side of the main mold (4); and a feeding unit for rapid material loading is provided on the inner side of the injection unit.

2. A multi-channel high-efficiency automobile plastic parts injection mold according to claim 1, characterized in that: The injection molding unit comprises a vertical plate (9) fixedly connected to one side of the top of the injection molding table (1); a plurality of cylinders (10) distributed in a matrix are fixedly connected to the side wall of the vertical plate (9); a disk (11) is fixedly connected to the other side of the cylinder (10); the main mold (4) is fixedly connected to one side of the disk (11); and a plurality of flow channels (12) having a radial cross-section are provided inside the disk (11) and correspond one to one with the main mold (4).

3. A multi-channel high-efficiency automobile plastic parts injection mold according to claim 2, characterized in that: The feeding unit comprises a support seat (13) slidably connected to the top of the injection molding table (1), a motor (14) is fixedly installed on the top of the support seat (13), a rotating rod (15) is fixedly connected to one side of the output shaft of the motor (14), a feeding barrel (16) is fixedly connected to the side wall of the disc (11), the rotating rod (15) is rotatably connected to the inside of the feeding barrel (16), a raw material barrel (17) is fixedly connected to one side of the top of the feeding barrel (16), a spiral blade (18) is fixedly connected to the outer wall of the rotating rod (15), a fixed seat (19) is fixedly connected to the inner wall of the feeding barrel (16), and one end of the rotating rod (15) is rotatably connected to the inner side of the fixed seat (19).

4. A multi-channel high-efficiency automobile plastic parts injection mold according to claim 3, characterized in that: The radial origin of each of the flow channels (12) is located at the center of the disk (11), and the radial end points extend to the midpoint of each main mold (4) accordingly.

5. The multi-channel high-efficiency automobile plastic parts injection mold according to claim 3, characterized in that: A slide groove is provided at the top of the table of the injection molding table (1), and the bottom of the support seat (13) is slidably connected to the inside of the slide groove. The maximum distance that the support seat (13) can move in the slide groove is equal to the distance between the auxiliary mold (3) and the main mold (4).

6. The multi-channel high-efficiency automobile plastic parts injection mold according to claim 3, characterized in that: The side of the feeding cylinder (16) close to the disc (11) is of narrowed design, and the radial origins of the motor (14), the rotating rod (15), the feeding cylinder (16) and the disc (11) are located on the same axis.

7. The multi-channel high-efficiency automobile plastic parts injection mold according to claim 3, characterized in that: The outer wall of the raw material barrel (17) is fixedly mounted on the side wall of the vertical plate (9) via a mounting bracket.

8. The multi-channel high-efficiency automobile plastic parts injection mold according to claim 7, characterized in that: The raw material barrel (17), the feeding cylinder (16) and the disc (11) are all provided with heating strips inside.

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