Die for producing automobile parts

Abstract

The utility model provides a mould for producing auto parts, which comprises a fixed module, a movable module positioned on the fixed module, a guide device and an ejection device, the fixed module comprises a bottom plate, supports symmetrically arranged on two sides of the bottom plate, a fixed mould plate arranged on the two supports, and a fixed mould core embedded in the fixed mould plate; the movable die set comprises a top plate, a material stirring plate arranged at the lower end of the top plate, a movable die plate arranged at the lower end of the material stirring plate, and a movable die core embedded in the movable die plate and arranged corresponding to the fixed die core. The movable die set moves downwards, and a movable die core on the movable die plate and a fixed die core on the fixed die plate are closed to form a complete cavity; the injection molding machine injects molten plastic into the mold cavity, the plastic is solidified in the mold cavity to form the automobile part, after molding is completed, the movable mold set moves upwards, the movable mold core and the fixed mold core are separated, the ejection device is started, the molded automobile part is ejected out of the fixed mold set, the molded part can be rapidly separated from the mold, and the production rhythm is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a mold for manufacturing automobile parts. Background Art

[0002] In the field of automobile parts manufacturing, injection molds are key tools for manufacturing parts with complex shapes. Traditional injection molds have limitations in precision manufacturing, production efficiency, mold durability, etc. For example, problems such as inaccurate centering of the mold, unstable ejection force, and inaccurate guiding affect product quality and production efficiency. In addition, the maintenance and operation complexity of the mold also increase production costs. Summary of the Utility Model

[0003] In view of the above-mentioned disadvantages of the prior art, the purpose of the present utility model is to provide a mold for manufacturing automobile parts, which is used to solve the problems of inaccurate centering, unstable ejection force, and inaccurate guiding of the existing mold in the prior art.

[0004] To achieve the above purpose and other related purposes, the present utility model provides the following technical solutions:

[0005] A mold for manufacturing automobile parts, comprising a fixed mold assembly, a movable mold assembly located on the fixed mold assembly, a guiding device, and an ejection device. The fixed mold assembly includes a bottom plate, supports symmetrically arranged on both sides of the bottom plate, a fixed template arranged on the two supports, and a fixed mold core embedded in the fixed template; the movable mold assembly includes a top plate, a blanking plate arranged at the lower end of the top plate, a movable template arranged at the lower end of the blanking plate, and a movable mold core embedded in the movable template and corresponding to the fixed mold core.

[0006] To implement the above technical solution, start the equipment, the movable mold assembly moves downward, the movable mold core on the movable template closes with the fixed mold core on the fixed template to form a complete cavity; the injection machine injects molten plastic into the cavity, and the plastic solidifies in the cavity to form an automobile part. After the molding is completed, the movable mold assembly moves upward, the movable mold core and the fixed mold core are separated, the ejection device is started, and the molded automobile part is ejected from the fixed mold assembly; the precise guiding device and the design of symmetric supports ensure the stability and molding precision of the mold during the injection process. The design of the ejection device and the blanking plate enables the molded part to be quickly ejected from the mold, accelerating the production rhythm.

[0007] In an embodiment of the present utility model, the ejection device includes a fixing plate located between the two supports and abutting against the bottom plate, a ejector plate located on the bottom plate, a plurality of ejector rods arranged on the ejector plate and passing through the fixed template and the fixed mold core, a pull plate obliquely arranged on the ejector plate, and a driving device arranged on the pull plate.

[0008] To implement the above technical solution, the ejection device is composed of a fixed plate, an ejector plate, ejector rods, a pull plate, and a driving device, which work together to eject the injection molded part. The fixed plate is located between two supports and abuts against the bottom plate, providing a stable support foundation for the ejection device; several ejector rods are arranged on the ejector plate, passing through the fixed mold plate and the fixed mold core, and directly contacting the injection molded part to achieve the ejection action; the pull plate is obliquely arranged on the ejector plate and connected to the driving device. After the injection molded part is cooled and solidified, the driving device drives the pull plate to drive the ejector plate and the ejector rods to move upward and eject the molded part from the mold.

[0009] In an embodiment of the present invention, the pull plate includes a sliding portion and an installation portion located at the upper end of the sliding portion. The installation portion is located between the fixed mold core and the moving mold core and is connected to the driving device. The sliding portion can penetrate the fixed mold plate and the fixed mold core; the driving device can pull the pull plate upward and drive the ejector rods on the ejector plate to eject the formed workpiece from the fixed mold core.

[0010] To implement the above technical solution, the pull plate is composed of a sliding portion and an installation portion at the upper end. The sliding portion can slide within the fixed mold plate, and the installation portion is located between the fixed mold core and the moving mold core. The movement of the pull plate transmits force through the ejector rods to eject the formed workpiece from the fixed mold core. The direct connection between the pull plate and the driving device improves the ejection efficiency.

[0011] In an embodiment of the present invention, the driving device includes a pull rod arranged on the installation portion, a cylinder arranged on the fixed mold plate through a mounting plate, a slide rail arranged on the mounting plate, and a slide plate slidably arranged on the slide rail. The output shaft of the cylinder is connected to the slide plate, the slide plate is connected to the pull rod, and a slide block is provided at the lower end of the pull rod.

[0012] To implement the above technical solution, the driving device is composed of a pull rod, a cylinder, a mounting plate, a slide rail, and a slide plate, which jointly realize the driving action of the pull plate. The design of the slide rail and the slide plate ensures the smoothness during the ejection process.

[0013] In an embodiment of the present invention, the guiding device includes a guide sleeve arranged on the ejector plate and a guide post passing through the guide sleeve and fixed at the upper end to the fixed mold plate and at the lower end to the bottom plate.

[0014] To implement the above technical solution, through the arrangement of the guide post and the guide sleeve, it is ensured that the ejector plate is accurately guided in the vertical direction when moving up and down, avoiding deviation.

[0015] In an embodiment of the present invention, an upper centering block is provided on the moving mold plate, and a lower centering block that can be embedded in the upper centering block is provided on the fixed mold plate.

[0016] To implement the above technical solution, an upper centering block is provided on the moving template, and a lower centering block is provided on the fixed template. These centering blocks are used to ensure that the moving template and the fixed template can be accurately aligned when closed, ensuring the centering accuracy when the mold is closed, thereby improving the accuracy of the molded part.

[0017] In an embodiment of the present invention, a backing plate is provided between the ejector plate and the fixed plate.

[0018] To implement the above technical solution, a backing plate is added between the ejector plate and the fixed plate to provide additional support and buffering; the backing plate absorbs the impact force during the reset process of the ejector plate, reduces the wear of the mold, and extends the service life of the mold.

[0019] As described above, a mold for producing automotive parts of the present invention has the following beneficial effects: the precise centering of the moving template and the fixed template, and the reasonable layout of the ejection device improve the overall stability of the mold; the design of the ejection device and the stripping plate enables the molded parts to be quickly ejected from the mold, accelerating the production rhythm; through the precise guiding device and the symmetric support design, the stability and molding accuracy of the mold during the injection molding process are ensured. Description of the Drawings

[0020] Figure 1 It shows a schematic structural diagram of the present invention.

[0021] Figure 2 It shows another schematic structural diagram of the present invention.

[0022] Figure 3 It shows a schematic structural diagram of the pull plate and the driving device.

[0023] Description of Component Labels

[0024] 1. Bottom plate; 2. Support; 3. Fixed template; 4. Fixed mold core; 5. Top plate; 6. Stripping plate; 7. Moving template; 8. Moving mold core; 9. Fixed plate; 10. Ejector plate; 11. Ejector rod; 12. Pull plate; 13. Sliding part; 14. Installation part; 15. Tie rod; 16. Installation plate; 17. Cylinder; 18. Slide rail; 19. Slide plate; 20. Slide seat; 21. Guide sleeve; 22. Guide post; 23. Upper centering block; 24. Lower centering block; 25. Backing plate. Detailed Embodiments

[0025] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0026] Please refer to Figures 1 to 3, the utility model provides a mold for automobile parts production, which includes a fixed mold group, a movable mold group located on the fixed mold group, a guiding device and an ejection device. The fixed mold group includes a bottom plate 1, supports 2 symmetrically arranged on both sides of the bottom plate 1, a fixed template 3 arranged on the two supports 2, and a fixed mold core 4 embedded in the fixed template 3; the movable mold group includes a top plate 5, a material pushing plate 6 arranged at the lower end of the top plate 5, a movable template 7 arranged at the lower end of the material pushing plate 6, and a movable mold core 8 embedded in the movable template 7 and corresponding to the fixed mold core 4.

[0027] Start the equipment, the movable mold group moves downward, the movable mold core 8 on the movable template 7 closes with the fixed mold core 4 on the fixed template 3 to form a complete cavity; the injection machine injects molten plastic into the cavity, and the plastic solidifies in the cavity to form automobile parts. After the molding is completed, the movable mold group moves upward, the movable mold core 8 and the fixed mold core 4 are separated, and the ejection device is started to eject the molded automobile parts from the fixed mold group; the precise guiding device and the design of the symmetric supports 2 ensure the stability and molding accuracy of the mold during the injection molding process. The design of the ejection device and the material pushing plate 6 enables the molded parts to be quickly ejected from the mold, accelerating the production rhythm.

[0028] The ejection device includes a fixing plate 9 located between the two supports 2 and abutted against the bottom plate 1, a ejector plate 10 located on the bottom plate 1, a plurality of ejector rods 11 arranged on the ejector plate 10 and passing through the fixed template 3 and the fixed mold core 4, a pull plate 12 obliquely arranged on the ejector plate 10, and a driving device arranged on the pull plate 12.

[0029] The ejection device is composed of a fixing plate 9, an ejector plate 10, ejector rods 11, a pull plate 12 and a driving device, which work together to eject the injection molded parts. The fixing plate 9 is located between the two supports 2 and abutted against the bottom plate 1, providing a stable support foundation for the ejection device; a plurality of ejector rods 11 are arranged on the ejector plate 10, passing through the fixed template 3 and the fixed mold core 4, and directly contacting the injection molded parts to realize the ejection action; the pull plate 12 is obliquely arranged on the ejector plate 10 and connected to the driving device. After the injection molded parts are cooled and solidified, the driving device drives the pull plate 12 to drive the ejector plate 10 and the ejector rods 11 to move upward and eject the molded parts from the mold.

[0030] The pull plate 12 includes a sliding part 13 and an installation part 14 located at the upper end of the sliding part 13. The installation part 14 is located between the fixed mold core 4 and the movable mold core 8 and is connected with the driving device. The sliding part 13 can pass through the fixed template 3 and the fixed mold core 4; the driving device can pull the pull plate 12 upward and drive the ejector rods 11 on the ejector plate 10 to eject the molded workpiece from the fixed mold core 4.

[0031] The pull plate 12 is composed of a sliding part 13 and a mounting part 14 at the upper end. The sliding part 13 can slide within the fixed template 3, and the mounting part 14 is located between the fixed die core 4 and the moving die core 8. The movement of the pull plate 12 transmits force through the ejector rod 11 to eject the formed workpiece from the fixed die core 4. The direct connection between the pull plate 12 and the driving device improves the ejection efficiency.

[0032] The driving device includes a pull rod 15 provided on the mounting part 14, a cylinder 17 provided on the fixed template 3 through a mounting plate 16, a slide rail 18 provided on the mounting plate 16, and a slide plate 19 slidably arranged on the slide rail 18. The output shaft of the cylinder 17 is connected to the slide plate 19, the slide plate 19 is connected to the pull rod 15, and a slide seat 20 is provided at the lower end of the pull rod 15.

[0033] The driving device is composed of a pull rod 15, a cylinder 17, a mounting plate 16, a slide rail 18, and a slide plate 19, which jointly realize the driving action of the pull plate 12. The design of the slide rail 18 and the slide plate 19 ensures the smoothness during the ejection process.

[0034] The guiding device includes a guide sleeve 21 provided on the ejector plate 10 and a guide post 22 passing through the guide sleeve 21 and fixed at the upper end to the fixed template 3 and at the lower end to the bottom plate 1. Through the arrangement of the guide post 22 and the guide sleeve 21, it is ensured that the ejector plate 10 is accurately guided in the vertical direction during the up and down movement to avoid deviation.

[0035] An upper centering block 23 is provided on the moving template 7, and a lower centering block 24 capable of being embedded on the upper centering block 23 is provided on the fixed template 3. The upper centering block 23 is provided on the moving template 7, and the lower centering block 24 is provided on the fixed template 3. These centering blocks are used to ensure that the moving template 7 and the fixed template 3 can be accurately aligned when closed, ensuring the centering accuracy when the mold is closed, thereby improving the accuracy of the formed part.

[0036] A cushion plate 25 is provided between the ejector plate 10 and the fixing plate 9. Adding the cushion plate 25 between the ejector plate 10 and the fixing plate 9 provides additional support and buffering effects; the cushion plate 25 absorbs the impact force during the reset process of the ejector plate 10, reduces the wear of the mold, and extends the service life of the mold.

[0037] The above embodiments merely illustrate the principles and effects of the present invention, rather than limiting the present invention. All equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A mold for producing automobile parts, comprising a fixed mold group, a movable mold group located on the fixed mold group, a guide device and an ejection device, characterized in that: The fixed die set comprises a bottom plate, supports symmetrically arranged on both sides of the bottom plate, a fixed die plate arranged on the two supports, and a fixed die core embedded in the fixed die plate; The movable die assembly includes a top plate, a material stripping plate arranged at the lower end of the top plate, a movable die plate arranged at the lower end of the material stripping plate, and a movable die core embedded in the movable die core and arranged on the movable die core corresponding to the fixed die core.

2. The mold for producing automobile parts according to claim 1, characterized in that: The ejection device includes a fixed plate located between the two supports and abutting against the bottom plate, a ejection plate located on the bottom plate, a plurality of ejection rods arranged on the ejection plate and passing through the fixed mold plate and the fixed mold core, a pulling plate obliquely arranged on the ejection plate, and a driving device arranged on the pulling plate.

3. The mold for producing automobile parts according to claim 2, characterized in that: The pull plate includes a sliding portion and a mounting portion located at an upper end of the sliding portion, the mounting portion is located between the fixed die core and the movable die core and is connected to the driving device, and the sliding portion can penetrate the fixed die core and the fixed die core; The driving device can pull the pulling plate upwards and drive the ejecting rod on the ejecting plate to eject the formed workpiece from the fixed mold core.

4. The mold for producing automobile parts according to claim 3, characterized in that: The driving device includes a pull rod arranged on the mounting portion, a cylinder arranged on the fixed template through a mounting plate, a slide rail arranged on the mounting plate, and a slide plate slidably arranged on the slide rail. The output shaft of the cylinder is connected to the slide plate, and the slide plate is connected to the pull rod. A slide seat is provided at the lower end of the pull rod.

5. The mold for producing automobile parts according to claim 2, characterized in that: The guide device comprises a guide sleeve arranged on the ejector plate, and a guide column which is inserted into the guide sleeve and has an upper end fixed on the fixed template and a lower end fixed on the bottom plate.

6. The mold for producing automobile parts according to claim 2, characterized in that: The movable die plate is provided with an upper centering block, and the fixed die plate is provided with a lower centering block which can be embedded in the upper centering block.

7. The mold for producing automobile parts according to claim 2, characterized in that: A pad is provided between the ejector plate and the fixing plate.

Images