Injection mold for automobile parts

Abstract

The utility model discloses an injection mold for automobile parts, which relates to the technical field of injection molds and comprises an upper mold, a lower mold and a supporting seat, two strip-shaped openings are formed in the upper surface of the supporting seat, a lower mounting plate is fixedly arranged on the bottom surface of the lower mold, and two inserting plates are fixedly arranged on the bottom surface of the lower mounting plate. Two fixing frames are fixedly arranged on the upper surface of the supporting seat, guide rails are fixedly arranged on the opposite surfaces of the two fixing frames, a u-shaped frame is arranged on the guide rails in a sliding mode, a limiting groove is formed in the inner side surface of the u-shaped frame, and an upper mounting plate is inserted into the limiting groove; according to the mold, the upper mold can be quickly disassembled by pulling the upper mounting plate out of the limiting groove, and the lower mold can be quickly disassembled by pulling the insertion plate out of the strip-shaped opening.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to an injection mold for automotive parts. Background Technology

[0002] In the daily production of automotive parts, some parts need to be produced by injection molding. Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. Injection molding is a processing method used for mass production of certain complex-shaped parts. Specifically, it refers to injecting heated and molten plastic into the mold cavity under high pressure by an injection molding machine, and after cooling and solidification, the molded product is obtained.

[0003] Currently, injection molds need to be replaced during the production of different parts, and the time and labor consumed in installing and disassembling the molds are considerable. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides an injection mold for automotive parts, which solves the technical problem that the installation and disassembly of existing injection molds consume a lot of time and labor.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an injection mold for automotive parts, comprising an upper mold and a lower mold, and a support base. The upper surface of the support base has two strip-shaped openings. A lower mounting plate is fixedly mounted on the bottom surface of the lower mold. Two insert plates are fixedly mounted on the bottom surface of the lower mounting plate. The insert plates are inserted into the strip-shaped openings. Multiple first positioning holes are formed on the facing surfaces of the two insert plates. A positioning box is fixedly mounted on the top surface of the support base. A first rotating shaft is rotatably mounted inside the positioning box. Multiple elliptical disks are fixedly mounted on the side surface of the first rotating shaft. Multiple first positioning pins are slidably arranged inside the two arms of the positioning box. A movable plate is fixedly attached to one end of each first positioning pin. A spring is sleeved on the first positioning pin, and the spring presses against the movable plate. The movable plate contacts the side surface of the elliptical disk. The first positioning pin is inserted into the first positioning hole. Two fixed brackets are fixedly arranged on the upper surface of the support base. Guide rails are fixedly arranged on the facing surfaces of the two fixed brackets. A U-shaped frame is slidably arranged on the guide rails. A limit groove is opened on the inner surface of the U-shaped frame. An upper mounting plate is inserted into the limit groove. The upper mold is fixedly arranged on the bottom surface of the upper mounting plate.

[0006] Preferably, a second positioning pin is inserted into the U-shaped frame, and a second positioning hole is provided in the upper mounting plate, into which the second positioning pin is inserted.

[0007] Preferably, a limiting plate is fixedly provided on the upper part of the opposing surfaces of the pair of fixing frames, and a screw is rotatably provided between the limiting plate and the support base. The two screws are threadedly connected to the U-shaped frame, and the lower end of the screw passes through into the support base. A driven bevel gear is fixedly provided at the lower end of the screw. A second rotating shaft is rotatably provided in the support base, and two driving bevel gears are fixedly provided on the side surface of the second rotating shaft. The driving bevel gears mesh with the driven bevel gears.

[0008] Preferably, a second servo motor is fixedly mounted on one side surface of the support base, and the drive shaft of the second servo motor is fixedly connected to one end of the second rotating shaft.

[0009] Preferably, a first servo motor is fixedly mounted on one surface of the positioning box, and one end of the first rotating shaft is fixedly connected to the drive shaft of the first servo motor.

[0010] Preferably, the upper mold has an injection port at its upper end, and the injection port penetrates the upper mounting plate.

[0011] Preferably, the slot is matched with the insert plate.

[0012] Preferably, the first positioning pin matches the first positioning hole.

[0013] Preferably, the second locating pin matches the second locating hole.

[0014] Beneficial effects:

[0015] This utility model provides an injection mold for automotive parts, which has the following beneficial effects:

[0016] The rotation of two screws drives the U-shaped frame to rise, which in turn drives the upper mold to rise, thus opening the mold. When the mold needs to be replaced, the second locating pin is pulled out of the second locating hole, and then the upper mounting plate is pulled out of the limiting groove, which allows for quick disassembly of the upper mold. To install the desired upper mold, the upper mounting plate of the upper mold is inserted into the limiting groove, and the second locating pin is inserted into the second locating hole. The upper mold is then installed by rotating the elliptical disc at a certain angle and the spring applying a pushing force to the movable plate. This movement of the movable plate allows the first locating pin to be pulled out of the first locating hole, and then the insert plate is pulled out of the slot, which allows for quick disassembly of the lower mold. To install the desired lower mold, the insert plate of the lower mold is inserted into the slot, and the elliptical disc resets, causing the first locating pin to be inserted into the first locating hole, thus positioning the insert plate and allowing for quick installation of the lower mold. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the internal structure of the present invention from the front view.

[0018] Figure 2 This is a top view of the U-shaped frame in this utility model;

[0019] Figure 3 This is a top view of the internal structure of the positioning box in this utility model.

[0020] In the diagram: 1. Support base; 2. Driven bevel gear; 3. Insert plate; 4. First positioning hole; 5. First positioning pin; 6. Spring; 7. Movable plate; 8. First rotating shaft; 9. Elliptical disk; 10. Positioning box; 11. Second rotating shaft; 12. Driven bevel gear; 13. Second servo motor; 14. Fixing frame; 15. Guide rail; 16. Screw; 17. U-shaped frame; 18. Limiting plate; 19. Second positioning hole; 20. Second positioning pin; 21. Injection port; 22. Upper mounting plate; 23. Upper mold; 24. Lower mold; 25. Lower mounting plate; 26. Limiting groove; 27. First servo motor; 28. Strip-shaped opening. Detailed Implementation

[0021] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0022] Please see Figures 1-3This utility model provides a technical solution: an injection mold for automotive parts, including an upper mold 23 and a lower mold 24, and a support base 1. The upper surface of the support base 1 has two strip-shaped openings 28. A lower mounting plate 25 is fixedly mounted on the bottom surface of the lower mold 24, and two insert plates 3 are fixedly mounted on the bottom surface of the lower mounting plate 25. Insert plates 3 are inserted into the strip-shaped openings 28. Multiple first positioning holes 4 are formed on the facing surfaces of the two insert plates 3. A positioning box 10 is fixedly mounted on the top surface of the support base 1. A first rotating shaft 8 is rotatably mounted inside the positioning box 10. Multiple elliptical discs 9 are fixedly mounted on the side surface of the first rotating shaft 8 for positioning... Multiple first positioning pins 5 are slidably arranged inside the two side arms of the box 10. A movable plate 7 is fixedly attached to one end of each first positioning pin 5. A spring 6 is sleeved on the first positioning pin 5, and the spring 6 presses against the movable plate 7. The movable plate 7 contacts the side surface of the elliptical disk 9. The first positioning pin 5 is inserted into the first positioning hole 4. Two fixed brackets 14 are fixedly arranged on the upper surface of the support base 1. Guide rails 15 are fixedly arranged on the facing surfaces of the two fixed brackets 14. A U-shaped bracket 17 is slidably arranged on the guide rail 15. A limit groove 26 is opened on the inner surface of the U-shaped bracket 17. An upper mounting plate 22 is inserted into the limit groove 26. The bottom surface of the upper mounting plate 22 is fixedly arranged with... The upper mold 23 has a second positioning pin 20 inserted into the U-shaped frame 17. The upper mounting plate 22 has a second positioning hole 19, into which the second positioning pin 20 is inserted. A pair of fixed frames 14 have a limiting plate 18 fixed on the upper part of their facing surfaces. A screw 16 is rotatably connected between the limiting plate 18 and the support base 1. The two screws 16 are threadedly connected to the U-shaped frame 17. The lower end of the screw 16 passes through the support base 1. A driven bevel gear 12 is fixedly installed at the lower end of the screw 16. A second rotating shaft 11 is rotatably installed inside the support base 1. Two driving bevel gears are fixedly installed on the side surface of the second rotating shaft 11. Wheel 2, the driving bevel gear 2 meshes with the driven bevel gear 12; a second servo motor 13 is fixedly installed on one side surface of the support base 1, and the drive shaft of the second servo motor 13 is fixedly connected to one end of the second rotating shaft 11; a first servo motor 27 is fixedly installed on one surface of the positioning box 10, and one end of the first rotating shaft 8 is fixedly connected to the drive shaft of the first servo motor 27; an injection port 21 is provided at the upper end of the upper mold 23, and the injection port 21 passes through the upper mounting plate 22; a strip-shaped opening 28 matches the insert plate 3; a first positioning pin 5 matches the first positioning hole 4; a second positioning pin 20 matches the second positioning hole 19.

[0023] Those skilled in the art should electrically connect all electrical components in this case to their compatible power supplies, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working sequence of each electrical component in the following working principle to complete the electrical connection. The detailed connection methods are well-known technologies in the art. The following mainly introduces the working principle and process, and will not explain the electrical control.

[0024] Example: According to the appendix of the instruction manual Figures 1-3As can be seen, during use, raw materials are injected into the mold through the injection port 21. After cooling, the second servo motor 13 is started to drive the second rotating shaft 11 to rotate. The rotation of the second rotating shaft 11 drives the two active bevel gears 2 to rotate, which in turn drives the two driven bevel gears 12 to rotate. The rotation of the two driven bevel gears 12 drives the two screws 16 to rotate, which in turn drives the U-shaped frame 17 to rise. The rise of the U-shaped frame 17 drives the upper mold 23 to rise, thus realizing mold opening. When the mold needs to be replaced, the second positioning pin 20 is pulled out from the second positioning hole 19, and then the upper mounting plate 22 is pulled out from the limiting groove 26, which enables quick disassembly of the upper mold 23. Select the desired upper mold 23, insert the upper mounting plate 22 of the upper mold 23 into the limiting groove 26, and then remove the second positioning pin 20. The upper mold 23 can be installed by inserting it into the second positioning hole 19; the first servo motor 27 is started to drive the first rotating shaft 8 to rotate a certain angle. The rotation of the first rotating shaft 8 can drive the elliptical disk 9 to rotate a certain angle. The rotation of the elliptical disk 9 and the pushing force applied to the movable plate 7 by the spring 6 can make the movable plate 7 move inward. The inward movement of the movable plate 7 can pull out the first positioning pin 5 from the first positioning hole 4. Then the insert plate 3 is pulled out from the strip opening 28, realizing the quick disassembly of the lower mold 24. Select the required lower mold 24, insert the insert plate 3 of the lower mold 24 into the strip opening 28, start the first servo motor 27 to drive the elliptical disk 9 to reset. The reset of the elliptical disk 9 can drive the first positioning pin 5 to insert into the first positioning hole 4, thereby positioning the insert plate 3 and realizing the quick installation of the lower mold 24.

[0025] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection mold for automotive parts, comprising an upper mold (23) and a lower mold (24), characterized in that, It also includes a support base (1), on the upper surface of which two strip-shaped openings (28) are provided. A lower mounting plate (25) is fixedly provided on the bottom surface of the lower mold (24). Two insert plates (3) are fixedly provided on the bottom surface of the lower mounting plate (25). The insert plates (3) are inserted into the strip-shaped openings (28). Multiple first positioning holes (4) are provided on the facing surfaces of the two insert plates (3). A positioning box (10) is fixedly provided on the top surface inside the support base (1). A first rotating shaft (8) is rotatably provided inside the positioning box (10). Multiple elliptical disks (9) are fixedly provided on the side surface of the first rotating shaft (8). Multiple first positioning pins (5) are slidably provided in the two side arms of the positioning box (10). One end of the first positioning pin (5) A movable plate (7) is fixedly provided. A spring (6) is sleeved on the first positioning pin (5). The spring (6) presses against the movable plate (7). The movable plate (7) contacts the side surface of the elliptical disk (9). The first positioning pin (5) is inserted into the first positioning hole (4). Two fixed brackets (14) are fixedly provided on the upper surface of the support base (1). Guide rails (15) are fixedly provided on the opposing surfaces of the two fixed brackets (14). A U-shaped frame (17) is slidably provided on the guide rails (15). A limit groove (26) is opened on the inner surface of the U-shaped frame (17). An upper mounting plate (22) is inserted into the limit groove (26). The upper mold (23) is fixedly provided on the bottom surface of the upper mounting plate (22).

2. The injection mold for an automobile part according to claim 1, wherein The U-shaped frame (17) is fitted with a second positioning pin (20), and the upper mounting plate (22) is provided with a second positioning hole (19), in which the second positioning pin (20) is fitted.

3. The injection mold for an automobile part according to claim 1, wherein A limiting plate (18) is fixedly provided on the upper part of the opposing surfaces of the pair of fixed frames (14). A screw (16) is rotatably provided between the limiting plate (18) and the support base (1). The two screws (16) are threadedly connected to the U-shaped frame (17). The lower end of the screw (16) passes through the support base (1). A driven bevel gear (12) is fixedly provided at the lower end of the screw (16). A second rotating shaft (11) is rotatably provided inside the support base (1). Two driving bevel gears (2) are fixedly provided on the side surface of the second rotating shaft (11). The driving bevel gears (2) mesh with the driven bevel gears (12).

4. The injection mold for an automobile part according to claim 3, wherein A second servo motor (13) is fixedly installed on one side surface of the support base (1), and the drive shaft of the second servo motor (13) is fixedly connected to one end of the second rotating shaft (11).

5. The injection mold for an automotive part of claim 1, wherein, The positioning box (10) has a first servo motor (27) fixedly mounted on one surface, and one end of the first rotating shaft (8) is fixedly connected to the drive shaft of the first servo motor (27).

6. The injection mold for an automotive part of claim 1, wherein, The upper mold (23) is provided with an injection port (21) at its upper end, and the injection port (21) penetrates the upper mounting plate (22).

7. The injection mold for an automotive part of claim 1, wherein, The slot (28) matches the insert plate (3).

8. The injection mold for an automotive part of claim 1, wherein, The first positioning pin (5) matches the first positioning hole (4).

9. The injection mold for automotive parts according to claim 2, characterized in that, The second positioning pin (20) matches the second positioning hole (19).

Images