Gas-assisted injection mold for automobile bumpers

Abstract

The utility model relates to the technical field of injection molds, and discloses an automobile bumper gas-assisted injection mold which comprises a gas-assisted injection molding machine, a first mold, a second mold and a vertical frame, and an inner frame is arranged between the first mold and the second mold; the inner rod is arranged in the inner frame, spray heads are arranged on the two sides of the outer portion of the inner rod, and ultrasonic transducers are arranged on the two sides of the lower end of the inner rod; the ultrasonic generator is arranged at the upper end of the vertical frame, top frames are arranged at the upper ends of the vertical frame and the gas-assisted injection molding machine, the inner frame is connected with the top frames through rotating shafts, transmission gears are arranged outside the rotating shafts, driving motors are arranged at the lower ends of the transmission gears, and driving gears are mounted at the output ends of the driving motors. And the driving gear is in meshed connection with the transmission gear. According to the mold cleaning device, the two molds are filled with cleaning liquid sprayed by the spray heads, and corners in the molds are cleaned by the cleaning liquid in cooperation with ultrasonic vibration.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a gas-assisted injection mold for an automobile bumper. Background Art

[0002] A gas-assisted injection mold for automobile bumpers is a specialized mold used to produce automobile bumpers. It incorporates gas-assisted injection molding (GAIM) technology. This technology allows for the formation of an internal cavity by injecting gas into the mold during the plastic injection molding process, thereby reducing the weight of the product and improving its dimensional stability and mechanical properties. Gas-assisted injection molds typically include complex airway systems designed to control the timing, location, and amount of gas injection, ensuring the accuracy and efficiency of the molding process.

[0003] After the gas-assisted injection mold is used, it needs to be cleaned. The common cleaning method is to use a soft brush with a cleaning agent, which is inconvenient for cleaning small parts and corners. For this purpose, a gas-assisted injection mold for a car bumper is proposed. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a gas-assisted injection mold for an automobile bumper to solve the problems raised in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a gas-assisted injection mold for a car bumper, comprising:

[0008] A gas-assisted injection molding machine, a first mold, a second mold, and a stand, wherein an inner frame is provided between the first mold and the second mold;

[0009] An inner rod is arranged inside the inner frame, with nozzles provided on both sides of the outer portion of the inner rod, and ultrasonic transducers provided on both sides of the lower end of the inner rod;

[0010] The ultrasonic generator is arranged at the upper end of the stand. The upper ends of the stand and the gas-assisted injection molding machine are both provided with a top frame. The inner frame is connected to the top frame through a rotating shaft. A transmission gear is provided on the outside of the rotating shaft. A drive motor is provided at the lower end of the transmission gear, and the drive motor is connected to the stand. A drive gear is installed at the output end of the drive motor, and the drive gear is meshed with the transmission gear.

[0011] Preferably, a waste outlet is provided at the lower end of the inner frame, and the waste outlet is integrally formed with the inner frame.

[0012] Preferably, a valve is installed at the lower end of the waste outlet, and the valve is connected to the waste outlet. A water tank is provided at the upper end of the gas-assisted injection molding machine, and the valve is used to control the discharge of waste water.

[0013] Preferably, a second hydraulic telescopic rod is installed on the right side of the stand, and the second hydraulic telescopic rod is connected to the second mold, and a first hydraulic telescopic rod is installed on the left side of the gas-assisted injection molding machine, and the first hydraulic telescopic rod is connected to the first mold.

[0014] Preferably, an inner plate is provided at the middle position inside the inner frame, an electric telescopic rod is installed on one side outside the inner plate, a plug is installed on one end outside the electric telescopic rod, and the electric telescopic rod is used to control the plug to block the air needle.

[0015] Preferably, an air needle is provided inside the first mold, and the plug is adapted to the air needle, and the air needle is used to spray gas.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the utility model provides a gas-assisted injection mold for automobile bumpers, which has the following beneficial effects:

[0018] The utility model solves the problems raised in the background technology by setting an inner frame that can be rotated between two molds, clamping the inner frame through the mold, spraying cleaning liquid inside the inner frame, and coordinating with ultrasonic vibration, so that the cleaning liquid can clean the small parts and corners inside the mold more thoroughly and cleanly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the inner frame structure of the present utility model;

[0021] Figure 3 This is a three-dimensional diagram of the internal structure of the first mold of the present invention.

[0022] In the figure: 1. Gas-assisted injection molding machine; 2. First hydraulic telescopic rod; 3. First mold; 4. Vertical frame; 5. Second hydraulic telescopic rod; 6. Second mold; 7. Ultrasonic generator; 8. Top frame; 9. Rotating shaft; 10. Transmission gear; 11. Drive motor; 12. Drive gear; 13. Water tank; 14. Inner frame; 15. Inner plate; 16. Electric telescopic rod; 17. Plug; 18. Inner rod; 19. Nozzle; 20. Ultrasonic transducer; 21. Waste outlet; 22. Valve; 23. Air needle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides a technical solution, a gas-assisted injection mold for automobile bumper, please refer to Figure 1 、 Figure 2 and Figure 3 ,include:

[0025] A gas-assisted injection molding machine 1, a first mold 3, a second mold 6 and a stand 4, wherein an inner frame 14 is provided between the first mold 3 and the second mold 6;

[0026] The inner rod 18 is provided inside the inner frame 14. Spray nozzles 19 are provided on both sides of the outer portion of the inner rod 18. Ultrasonic transducers 20 are provided on both sides of the lower end of the inner rod 18.

[0027] The ultrasonic generator 7 is arranged at the upper end of the stand 4. The upper ends of the stand 4 and the gas-assisted injection molding machine 1 are both provided with a top frame 8. The inner frame 14 is connected to the top frame 8 through a rotating shaft 9. A transmission gear 10 is provided on the outside of the rotating shaft 9. A drive motor 11 is provided at the lower end of the transmission gear 10, and the drive motor 11 is connected to the stand 4. A drive gear 12 is installed at the output end of the drive motor 11, and the drive gear 12 is meshed with the transmission gear 10.

[0028] See also Figure 2 A waste outlet 21 is provided at the lower end of the inner frame 14 , and the waste outlet 21 is integrally formed with the inner frame 14 .

[0029] See also Figure 2 A valve 22 is installed at the lower end of the waste outlet 21, and the valve 22 is connected to the waste outlet 21. A water tank 13 is provided at the upper end of the gas-assisted injection molding machine 1, and the valve 22 is used to control the discharge of waste water.

[0030] See also Figure 2 A second hydraulic telescopic rod 5 is installed on the right side of the stand 4, and the second hydraulic telescopic rod 5 is connected to the second mold 6. A first hydraulic telescopic rod 2 is installed on the left side of the gas-assisted injection molding machine 1, and the first hydraulic telescopic rod 2 is connected to the first mold 3.

[0031] See also Figure 2 An inner plate 15 is provided at the middle position inside the inner frame 14, an electric telescopic rod 16 is installed on one side outside the inner plate 15, and a plug 17 is installed at one end outside the electric telescopic rod 16. The electric telescopic rod 16 is used to control the plug 17 to block the air needle 23.

[0032] See also Figure 3 An air needle 23 is provided inside the first mold 3 , and the plug 17 is adapted to the air needle 23 , and the air needle 23 is used to spray gas.

[0033] This solution: When it is necessary to clean the inside of the first mold 3 and the second mold 6, the drive motor 11 is started to control the drive gear 12 to rotate, so that the transmission gear 10 rotates and drives the rotating shaft 9 to rotate the inner frame 14 between the first mold 3 and the second mold 6. The first hydraulic telescopic rod 2 and the second hydraulic telescopic rod 5 control the first mold 3 and the second mold 6 to clamp the inner frame 14, and the electric telescopic rod 16 is started to control the plug 17 to block the air needle 23. The cleaning liquid inside the water tank 13 is pumped into the pipeline through the water pump and then sprayed into the inside of the first mold 3 and the second mold 6 from the nozzle 19. When the cleaning liquid is full, the ultrasonic generator 7 is started to generate ultrasonic vibrations through the ultrasonic transducer 20, and then the inside of the first mold 3 and the second mold 6 is cleaned. In this way, the cleaning of the first mold 3 and the second mold 6 is more thorough. After cleaning, the valve 22 is opened to discharge the liquid through the waste outlet 21.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas-assisted injection mold for automobile bumper, characterized in that: include: A gas-assisted injection molding machine (1), a first mold (3), a second mold (6) and a stand (4), wherein an inner frame (14) is provided between the first mold (3) and the second mold (6); an inner rod (18) is provided inside the inner frame (14), nozzles (19) are provided on both sides of the outer side of the inner rod (18), and ultrasonic transducers (20) are provided on both sides of the lower end of the inner rod (18); an ultrasonic generator (7) is provided at the upper end of the stand (4), and the stand (4 ) and the upper end of the gas-assisted injection molding machine (1) are both provided with a top frame (8), the inner frame (14) and the top frame (8) are connected through a rotating shaft (9), a transmission gear (10) is provided on the outside of the rotating shaft (9), a driving motor (11) is provided at the lower end of the transmission gear (10), and the driving motor (11) is connected to the vertical frame (4), and a driving gear (12) is installed at the output end of the driving motor (11), and the driving gear (12) is meshed and connected with the transmission gear (10).

2. The gas-assisted injection mold for automobile bumper according to claim 1, characterized in that: A waste outlet (21) is provided at the lower end of the inner frame (14), and the waste outlet (21) and the inner frame (14) are integrally formed.

3. The gas-assisted injection mold for automobile bumper according to claim 2, characterized in that: A valve (22) is installed at the lower end of the waste outlet (21), and the valve (22) is connected to the waste outlet (21). A water tank (13) is provided at the upper end of the gas-assisted injection molding machine (1).

4. The gas-assisted injection mold for automobile bumper according to claim 1, characterized in that: A second hydraulic telescopic rod (5) is installed on the right side of the stand (4), and the second hydraulic telescopic rod (5) is connected to the second mold (6). A first hydraulic telescopic rod (2) is installed on the left side of the gas-assisted injection molding machine (1), and the first hydraulic telescopic rod (2) is connected to the first mold (3).

5. The gas-assisted injection mold for automobile bumper according to claim 1, characterized in that: An inner plate (15) is provided at a middle position inside the inner frame (14), an electric telescopic rod (16) is installed on one side outside the inner plate (15), and a plug (17) is installed on one end outside the electric telescopic rod (16).

6. The gas-assisted injection mold for automobile bumper according to claim 5, characterized in that: An air needle (23) is provided inside the first mold (3), and the plug (17) is adapted to the air needle (23).

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