Injection mold for machining automobile plastic parts

By designing movable buffer devices and transmission devices in injection molds for processing automotive plastic parts, the problems of inconvenient unloading of injection molded parts and lack of buffer protection are solved, and adaptive buffer protection and guided collection of smaller injection molded parts are realized.

CN222372154UInactive Publication Date: 2025-01-21HUBEI HONGJIN AUTOMOTIVE INTERIOR PARTS
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Patent Information

Application Number
CN202420785531.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-01-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

After the injection molds for the processing of existing automobile plastic parts are completed, the injection molded parts are difficult to discharge smoothly and are prone to leak during the discharge process, and there is a lack of effective buffer protection.

Method used

An injection mold for automotive plastic parts processing is designed. It adopts a movable buffer device and cooperates with each other through the transmission device, output device and one-way pipe to synchronously drive the buffer device for displacement to achieve buffering protection for the injection molded parts, and through the buffer plate The position change causes the injection molded parts to be distributed in the collection box.

Benefits of technology

It effectively solves the problems of inconvenient unloading of injection molded parts and lack of buffering protection, realizes adaptive buffering protection for smaller injection molded parts, and enables the injection molded parts to be smoothly distributed in the collection box through the guiding function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection mold for processing automobile plastic parts, which is characterized in that a collecting tank is arranged in the middle of a mounting base, a buffer device is arranged at a position close to a lower notch of the collecting tank, a first mold and a second mold are symmetrically arranged on the mounting base on two sides of an upper notch of the collecting tank, and one side of the first mold is fixedly connected with a transmission device; the transmission device is connected with an output device through a one-way pipeline, and the output end of the output device is hinged to the buffering device. Through the design of the movable buffering device, parts machined by the first die and the second die can be buffered.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molded parts, in particular to an injection mold for processing automobile plastic parts. Background Art

[0002] Car plastic parts are the plastic parts needed when producing cars. They are assembled into cars with the car frame. When producing plastic parts, they need to be injection molded by injection molding machines and injection molds.

[0003] A Chinese utility model with authorization announcement number CN219191056U discloses an injection mold for automotive plastic parts. When producing automotive plastic parts, the device can drive the main mold close to the sub-mold through an injection molding machine, and then perform injection molding and cooling. When the injection molding machine is started, the main mold is driven away from the sub-mold, so that the plastic parts are leaked out, and the discharge rod drives the parts to leave the sub-mold, and then leaves the discharge rod by its own weight, thereby making the discharge of plastic parts more convenient. When the plastic parts leave the injection molding table and enter the storage box, the plastic parts can be protected by the buffer pad inside the storage box. Summary of the invention

[0004] The utility model aims to solve the problems in the background technology and proposes an injection mold for processing automobile plastic parts. The movable buffer device design can buffer the parts processed by the first mold and the second mold.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plastic injection mold for processing automobile plastic parts, a collecting groove is provided in the middle of a mounting base, a buffer device is provided near the lower groove of the collecting groove, a first mold and a second mold are symmetrically provided on the mounting base on both sides of the upper groove of the collecting groove, a transmission device is fixedly connected to one side of the first mold, the transmission device is connected to an output device through a one-way pipe, and the output end of the output device is hinged to the buffer device; a plurality of support columns are provided under the mounting base, a collecting box is fixedly connected in the space surrounded by the plurality of support columns, and the collecting box is located directly below the collecting groove; the buffer device includes a connecting shaft, and the connecting shaft is rotatably mounted on the groove wall of the collecting groove, a mounting plate is fixedly connected to the outer wall of the connecting shaft, and the output end of the output device is hinged to the back side of the mounting plate, two springs are fixedly connected to the front side of the mounting plate, and the ends of the two springs are fixedly connected to the buffer plate.

[0007] Preferably, the output device includes a second fixed block, and the second fixed block is fixedly mounted on the lower end surface of the mounting base, a second sleeve is fixedly mounted on the second fixed block, and one end of the one-way pipe is connected to the second sleeve, an exhaust pipe is connected to the outer wall of the second sleeve, a control valve is provided on the exhaust pipe, a second piston is slidably connected to the inner wall of the second sleeve, and the second piston is in contact with the inner wall of the second sleeve, a second push rod is fixedly connected to one end of the second piston, and an end of the second push rod away from the second piston is fixedly connected to one side of the mounting plate.

[0008] Preferably, the transmission device includes a first fixed block, and a first sleeve is fixedly mounted on the first fixed block, and one end of the one-way pipe is connected to the first sleeve, a vent is provided on the outer wall of the first sleeve, a first piston is slidably connected to the inner wall of the first sleeve, and the first piston is in contact with the inner wall of the first sleeve, a first push rod is fixedly connected to one side of the first piston, and an end of the first push rod away from the first piston is fixedly connected to one side of the first mold.

[0009] Preferably, the buffer plate is made of rubber.

[0010] Preferably, the length of the second sleeve is greater than the length of the first sleeve.

[0011] The second sleeve is equipped with an exhaust pipe and a control valve.

[0012] The exhaust pipe is mounted on the wall of the second sleeve far away from the mounting plate.

[0013] Compared with the prior art, the utility model provides a different buffer design, which has the following beneficial effects:

[0014] By providing a buffer device, the parts processed by the first mold and the second mold can be buffered, and the injection molded parts with a smaller volume can be adapted and buffered.

[0015] By setting up a transmission device, an output device, and a one-way pipeline and making them cooperate with each other, the movement of the first mold can be synchronized, the transmission device and the output device can be driven, and the output device can then drive the buffer device to move, so that the buffer device can play a guiding role and the injection molded parts can be distributed in the collection box.

[0016] In summary, the utility model can provide buffer protection for injection molded parts with smaller volumes by providing a buffer device, a transmission device, an output device, and a one-way pipeline. At the same time, each change in the position of the second piston can drive the buffer plate of the buffer device to change accordingly, so that the injection molded parts that fall on the buffer plate can fall into the collection box according to the change in the position of the buffer plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a structural schematic diagram of an injection mold for processing automobile plastic parts proposed by the utility model;

[0018] Figure 2 This is a partial schematic diagram of a buffer device of an injection mold for processing automobile plastic parts proposed by the utility model;

[0019] Figure 3 The utility model is a schematic diagram of a transmission device of an injection mold for processing automobile plastic parts.

[0020] In the figure: 1 mounting base, 2 first mold, 3 second mold, 4 collecting tank, 5 collecting box, 6 first fixing block, 7 first sleeve, 8 one-way pipe, 9 second fixing block, 10 second sleeve, 11 mounting plate, 12 buffer plate, 13 first piston, 14 first push rod, 15 spring, 16 connecting shaft, 17 second piston, 18 second push rod, 19 vent, 20 exhaust pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 An injection mold for processing automobile plastic parts includes a mounting base 1, an upper end surface of the mounting base 1 is provided with a collecting groove 4, an inner side wall of the collecting groove 4 is provided with a buffer device, an upper end surface of the mounting base 1 is symmetrically provided with a first mold 2 and a second mold 3, one side of the first mold 2 is fixedly connected with a transmission device, the transmission device is connected with an output device through a one-way pipe 8, and the output end of the output device is connected to the output end of the buffer device. It should be noted that: using the one-way pipe 8, only the air in the first sleeve 7 can be transported to the second sleeve 10, and the air in the second sleeve 10 cannot be traced back to the first sleeve 7 through the one-way pipe 8.

[0023] A plurality of support columns are symmetrically arranged on the lower end surface of the mounting base 1 , and a collection box 5 is fixedly connected between the plurality of support columns, and the collection box 5 is located directly below the collection tank 4 .

[0024] The buffer device includes a connecting shaft 16, and the connecting shaft 16 is rotatably mounted on the inner wall of the collecting tank 4. A mounting plate 11 is fixedly connected to the outer wall of the connecting shaft 16, and the output end of the output device is connected to one side of the mounting plate 11. Two springs 15 are fixedly connected to one side of the mounting plate 11, and one end of the two springs 15 is fixedly connected to a buffer plate 12. The buffer plate 12 is made of rubber material. It should be noted that the rubber material can effectively protect the dropped injection molded parts and prevent the buffer plate 12 from colliding with the injection molded parts and damaging the injection molded parts.

[0025] The output device includes a second fixed block 9, and the second fixed block 9 is fixedly installed on the lower end surface of the mounting base 1, a second sleeve 10 is fixedly installed on the second fixed block 9, and one end of the one-way pipe 8 is connected to the second sleeve 10, and an exhaust pipe is connected to the outer wall of the second sleeve 10, and a control valve is provided on the exhaust pipe. It should be noted that the air in the second sleeve 10 can be discharged through the exhaust pipe and the control valve.

[0026] The second piston 17 is slidably connected to the inner wall of the second sleeve 10 , and the second piston 17 fits the inner wall of the second sleeve 10 . It should be noted that the second piston 17 fits the inner wall of the second sleeve 10 , which can ensure the sealing of the second piston 17 and the second sleeve 10 .

[0027] One end of the second piston 17 is fixedly connected to a second push rod 18 , and one end of the second push rod 18 away from the second piston 17 is fixedly connected to one side of the mounting plate 11 .

[0028] The transmission device includes a first fixed block 6, and a first sleeve 7 is fixedly mounted on the first fixed block 6, and one end of a one-way pipe 8 is connected to the first sleeve 7. It should be noted that the air in the first sleeve 7 can be transported to the second sleeve 10 through the one-way pipe 8.

[0029] A vent is provided on the outer wall of the first sleeve 7. It should be noted that air can be injected into the first sleeve 7 through the vent. A first piston 13 is slidably connected to the inner wall of the first sleeve 7, and the first piston 13 fits the inner wall of the first sleeve 7. A first push rod 14 is fixedly connected to one side of the first piston 13, and an end of the first push rod 14 away from the first piston 13 is fixedly connected to one side of the first mold 2.

[0030] One end of the second piston 17 is fixedly connected to a second push rod 18 , and one end of the second push rod 18 away from the second piston 17 is fixedly connected to one side of the mounting plate 11 .

[0031] When the utility model is used, the first mold 2 and the second mold 3 are first driven to fit together for injection molding. At this time, the movement of the first mold 2 will drive the first push rod 14 to move, and the movement of the first push rod 14 will drive the first piston 13 to move in the first sleeve 7. The outside air can enter the first sleeve 7 through the opening 19. At this time, since the length of the first sleeve 7 is smaller than the length of the second sleeve 10, each time the air in the first sleeve 7 is transported to the second sleeve 10 through the one-way pipe 8, the air transported to the second sleeve 10 will push the second piston 17 to move a short distance in the second sleeve 10. The length of the second sleeve 10 is greater than the length of the first sleeve 7. When the first sleeve 7 drives the second piston 17 in the second sleeve 10 to move by the injected air, since the length of the first sleeve 7 is smaller than the second sleeve 10, the second piston 17 will move a short distance in the second sleeve 10.

[0032] At this time, the movement of the second piston 17 will drive the second push rod 18 to move synchronously, and the second push rod 18 will push the mounting plate 11 to rotate on the outer wall of the connecting shaft 16. At the same time, because the second push rod 18 is fixedly connected to the mounting plate 11, the mounting plate 11 is fixed on the outer wall of the connecting shaft 16, and the connecting shaft 16 is rotatably installed on the inner wall of the collecting tank 4, so when the second push rod 18 moves, the mounting plate 11 will drive the connecting shaft 16 to rotate in the collecting tank 4.

[0033] When the first mold 2 is separated from the second mold 3, the injection molded part detached from the second mold 3 will fall onto the buffer plate 12, and then the buffer plate 12 will compress the two springs 15. The elastic characteristics of the springs 15 can be used to buffer the gravity of the injection molded part. Then, because the buffer plate 12 is fixedly connected to the mounting plate 11 through the two springs 15, and the change in the position of the mounting plate 11 corresponds to the position of the second piston 17, after each injection molding is completed, the first push rod 14 will drive the first piston 13 to push the air in the first sleeve 7 into the second sleeve 10 through the displacement of the second mold 2. At this time, the second piston 17 will be displaced a short distance in the second sleeve 10, and the second piston 17 will be moved to the second sleeve 10. The change in the position will drive the mounting plate 11 to change synchronously through the second push rod 18, and the mounting plate 11 will drive the buffer plate 12 to move synchronously. Since the second piston 17 will move a certain distance in the second sleeve 10 after each injection molding is completed, and the position of each displacement is different, the injection molded parts dropped on the buffer plate 12 will follow the position of the buffer plate 12 and slide into the collection box 5 under the influence of their own gravity. Each time the injection molded parts are buffered and guided by the buffer plate 12, the injection molded parts will fall at different positions after each injection molding is completed. In the long run, the injection molded parts will be distributed in the collection box 5.

[0034] The air in the second sleeve 10 can be exhausted through the exhaust pipe 20 and the control valve, and the second piston 17 and the second push rod 18 can be reset at this time.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An injection mold for processing automobile plastic parts, characterized in that: A collecting groove (4) is provided in the middle of the mounting base (1), a buffer device is provided near the lower groove of the collecting groove (4), a first mold (2) and a second mold (3) are symmetrically provided on the mounting base (1) on both sides of the upper groove of the collecting groove (4), a transmission device is fixedly connected to one side of the first mold (2), the transmission device is connected to an output device via a one-way pipe (8), and the output end of the output device is hinged to the buffer device; A plurality of support columns are provided below the mounting base (1), a collection box (5) is fixedly connected in the space surrounded by the plurality of support columns, and the collection box (5) is located directly below the collection tank (4); The buffer device comprises a connecting shaft (16), and the connecting shaft (16) is rotatably mounted on the groove wall of the collecting groove (4), a mounting plate (11) is fixedly connected to the outer wall of the connecting shaft (16), and the output end of the output device is hinged to the back side of the mounting plate (11), and two springs (15) are fixedly connected to the front side of the mounting plate (11), and the ends of the two springs (15) are fixedly connected to the buffer plate (12).

2. The injection mold for processing automobile plastic parts according to claim 1, characterized in that: The output device comprises a second fixed block (9), and the second fixed block (9) is fixedly mounted on the lower end surface of the mounting base (1); a second sleeve (10) is fixedly mounted on the second fixed block (9), and one end of the one-way pipe (8) is connected to the second sleeve (10); an exhaust pipe is connected to the outer wall of the second sleeve (10), and a control valve is provided on the exhaust pipe; a second piston (17) is slidably connected to the inner wall of the second sleeve (10), and the second piston (17) is in contact with the inner wall of the second sleeve (10); a second push rod (18) is fixedly connected to one end of the second piston (17), and an end of the second push rod (18) away from the second piston (17) is fixedly connected to one side of the mounting plate (11).

3. The injection mold for processing automobile plastic parts according to claim 2, characterized in that: The transmission device comprises a first fixed block (6), and a first sleeve (7) is fixedly mounted on the first fixed block (6), and one end of a one-way pipe (8) is connected to the first sleeve (7), a through hole (19) is opened on the outer wall of the first sleeve (7), a first piston (13) is slidably connected to the inner wall of the first sleeve (7), and the first piston (13) is in contact with the inner wall of the first sleeve (7), a first push rod (14) is fixedly connected to one side of the first piston (13), and an end of the first push rod (14) away from the first piston (13) is fixedly connected to one side of the first mold (2).

4. The injection mold for processing automobile plastic parts according to claim 1, characterized in that: The buffer plate (12) is made of rubber.

5. The injection mold for processing automobile plastic parts according to claim 3, characterized in that: The length of the second sleeve (10) is greater than the length of the first sleeve (7).

6. The injection mold for processing automobile plastic parts according to claim 2, characterized in that: An exhaust pipe (20) and a control valve are mounted on the second sleeve (10).

7. The injection mold for processing automobile plastic parts according to claim 6, characterized in that: The exhaust pipe (20) is mounted on a wall of the second sleeve (10) away from the mounting plate (11).

Citation Information

Patent Citations

  • Injection mold for automobile plastic part

    CN219191056U