Demolding mechanism of plastic mold for automobile plastic parts

Abstract

The utility model relates to the technical field of plastic mold shaping, and discloses a demolding mechanism of an automobile plastic part plastic mold, which comprises a shell, the top end of the shell is fixedly connected with a fixed shell, the fixed shell is internally provided with a sliding chute, and the fixed shell is internally connected with a sliding block in a sliding manner; a threaded rotating rod is in threaded connection with the interior of the fixing shell, a limiting plate is slidably connected with the interior of the fixing shell, a thrust spring is fixedly connected with the bottom end of the limiting plate, a pushing column is fixedly connected with the top end of the limiting plate, and a sliding linkage block is fixedly connected with the exterior of the pushing column. According to the utility model, the pushing column drives the sliding linkage block to move upwards and pushes the sliding block to move forwards, so that the pushing column pops up the mold, a finished product is difficult to take out, other modes are needed for demolding, and the product is possibly damaged or the production cycle is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic mold shaping, in particular to a demoulding mechanism of a plastic mold for automobile plastic parts. Background Art

[0002] Automotive plastic parts are a common type of parts in automobile manufacturing. They are usually made of plastic materials and are used to form the appearance, structure and function of the vehicle. The manufacture of automotive plastic parts usually requires the use of plastic molds. These molds are tools used to shape the appearance and structure of automotive parts. The process of plastic mold manufacturing usually includes steps such as design, processing, debugging and production. The design stage involves the use of computer-aided design (CAD) software to create the geometry and structure of the mold.

[0003] The molded products without demoulding structure in the plastic mold of automobile plastic parts may adhere tightly to the inside of the mold after molding, making it difficult to remove the finished product. Other methods need to be adopted for demoulding, which may cause product damage or increase the production cycle. Summary of the invention

[0004] In order to make up for the above shortcomings, the utility model provides a demoulding mechanism for a plastic mold of an automobile plastic part, aiming to improve the problem that it is difficult to take out the finished product, resulting in product damage or increasing the production cycle.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a demolding mechanism of a plastic mold for an automobile plastic accessory, comprising an outer shell, a fixed shell is fixedly connected to the top end of the outer shell, a slide groove is provided inside the fixed shell, a slider is slidably connected to the inside of the fixed shell, a threaded rotating rod is threadedly connected to the inside of the fixed shell, a limit plate is slidably connected to the inside of the fixed shell, a thrust spring is fixedly connected to the bottom end of the limit plate, a push column is fixedly connected to the top end of the limit plate, a sliding linkage block is fixedly connected to the outside of the push column, the left and right ends of the fixed shell are rotatably connected to positioning components, and the rear end of the outer shell is fixedly connected to a water pump.

[0006] As a further description of the above technical solution:

[0007] The positioning assembly includes a rotating plate, the opposite sides of the rotating plate are rotatably connected to the left and right ends of the fixed shell, the left and right ends of the fixed shell are rotatably connected to the push spring assembly, the top of the shell is fixedly connected to the mold lifting output device, the left and right ends of the mold lifting output device are fixedly connected to the sliding movable blocks, and the inside of the rotating plate is fixedly connected to the limiting assembly.

[0008] As a further description of the above technical solution:

[0009] The bottom end of the sliding movable block is slidably connected to the inside of the rotating plate, and the top end of the pushing spring assembly is rotatably connected to the bottom end of the rotating plate.

[0010] As a further description of the above technical solution:

[0011] The limit assembly includes a spring shell, the outside of which is fixedly connected to the inside of the rotating plate, the inside of which is slidably connected to a limit block, the front end of which is fixedly connected to an outward push spring, and the front end of which is fixedly connected to a limit linkage rod.

[0012] As a further description of the above technical solution:

[0013] The front end of the outward push spring is fixedly connected to the interior of the spring shell, and the rear end of the limit linkage rod is fitted into the interior of the spring shell.

[0014] As a further description of the above technical solution:

[0015] The rear end of the shell is fixedly connected with a water pump, and the interior of the shell is fixedly connected with a water tank.

[0016] As a further description of the above technical solution:

[0017] The input end of the water pump is fixedly connected to the inside of the water tank, and the output end of the water pump is fixedly connected to the top end of the shell.

[0018] As a further description of the above technical solution:

[0019] The rear end of the shell is fixedly connected with a radiator.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, through the structures such as the thrust spring, the limit plate, and the push column, the thrust spring pushes the limit plate and the push column to move upward, the push column drives the sliding linkage block to move upward, and the push column pushes the slider to move forward, so that the push column ejects the mold, making it difficult to remove the finished product, and other methods need to be adopted for demolding, which may cause product damage or increase the production cycle.

[0022] 2. In the utility model, the mold is effectively prevented from being misplaced or shifted during use by means of structures such as a rotating plate, a pushing spring assembly, and a sliding movable block, thereby reducing the risk of damage to the mold. By ensuring stable alignment between the various parts of the mold, the service life of the mold can be extended and the maintenance cost of the mold can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1A three-dimensional diagram of a demoulding mechanism of a plastic mold for an automobile plastic part proposed by the utility model;

[0024] Figure 2 This is a cross-sectional view of a fixed shell in a demoulding mechanism of a plastic mold for an automobile plastic part proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of a sliding linkage block in a demoulding mechanism of a plastic mold for an automobile plastic part proposed by the utility model;

[0026] Figure 4 This is a cross-sectional view of a spring shell in a demoulding mechanism of a plastic mold for an automobile plastic part proposed by the utility model;

[0027] Figure 5 The utility model is a schematic diagram of a water pump in a demoulding mechanism of a plastic mold for an automobile plastic part.

[0028] Legend:

[0029] 1. Shell; 2. Fixed shell; 3. Slide groove; 4. Slider; 5. Threaded rotating rod; 6. Thrust spring; 7. Limit plate; 8. Push column; 9. Sliding linkage block; 10. Positioning assembly; 1001. Rotating plate; 1002. Push spring assembly; 1003. Sliding movable block; 11. Limit assembly; 1101. Spring shell; 1102. Limit block; 1103. Outward push spring; 1104. Limit linkage rod; 12. Water pump; 13. Mold lifting output device; 14. Water tank; 15. Radiator. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 - Figure 3The utility model provides an embodiment: a demoulding mechanism of a plastic mold for an automobile plastic part, comprising a shell 1, a fixed shell 2 is fixedly connected to the top of the shell 1, a slide groove 3 is provided inside the fixed shell 2, a slider 4 is slidably connected to the inside of the fixed shell 2, a threaded rotating rod 5 is threadedly connected to the inside of the fixed shell 2, a limit plate 7 is slidably connected to the inside of the fixed shell 2, a thrust spring 6 is fixedly connected to the bottom end of the limit plate 7, a push column 8 is fixedly connected to the top end of the limit plate 7, the threaded rotating rod 5 is twisted to make the threaded rotating rod 5 disengage from the slider 4, the thrust spring 6 pushes the limit plate 7 and the push column 8 to move upward, and the push column 8 drives The sliding linkage block 9 moves upward, and the pushing column 8 pushes the slider 4 to move forward, thereby pushing the column 8 to eject the mold. Conversely, the sliding linkage block 9 is pulled downward, and the sliding linkage block 9 drives the pushing column 8 and the limiting plate 7 to move downward. At this time, the slider 4 is pushed forward, and the slider 4 slides into the interior of the fixed shell 2. The threaded rotating rod 5 is turned, and the threaded rotating rod 5 enters the interior of the slider 4. The thrust spring 6 pushes the limiting plate 7 and the pushing column 8 to move upward, and the pushing column 8 drives the sliding linkage block 9 to move upward. The sliding linkage block 9 fits the slider 4, so that the sliding linkage block 9 drives the limiting plate 7 and the pushing column 8 to no longer move upward, thereby completing the fixation.

[0032] The outside of the push column 8 is fixedly connected with a sliding linkage block 9, the left and right ends of the fixed shell 2 are rotatably connected with a positioning assembly 10, the rear end of the shell 1 is fixedly connected with a water pump 12, the rear end of the shell 1 is fixedly connected with the water pump 12, the inside of the shell 1 is fixedly connected with a water tank 14, the input end of the water pump 12 is fixedly connected to the inside of the water tank 14, the output end of the water pump 12 is fixedly connected to the top of the shell 1, the water pump 12 cools down the fixed shell 2 inside the shell 1, the water inside the fixed shell 2 flows into the water tank 14, and then is pumped back to the inside of the shell 1 by the fixed shell 2 to cool down the fixed shell 2, completing the water cycle and saving water waste.

[0033] The rear end of the housing 1 is fixedly connected with a radiator 15, which cools the water to increase the cooling effect.

[0034] Figure 4 and Figure 5The positioning assembly 10 includes a rotating plate 1001, and the opposite sides of the rotating plate 1001 are rotatably connected to the left and right ends of the fixed shell 2. The left and right sides of the fixed shell 2 are rotatably connected with the push spring assembly 1002. The top of the shell 1 is fixedly connected with the mold lifting output device 13, and the left and right ends of the mold lifting output device 13 are fixedly connected with the sliding movable block 1003. The interior of the rotating plate 1001 is fixedly connected to the limiting assembly 11, and the bottom end of the sliding movable block 1003 is slidably connected to the interior of the rotating plate 1001. The top of the push spring assembly 1002 is rotatably connected to the bottom end of the rotating plate 1001, and the sliding movable block 1003 slides into the interior of the rotating plate 1001. The push spring assembly 1002 pushes the rotating plate 1001 to move upward, so that the sliding movable block 1003 is completely fitted into the interior of the rotating plate 1001, thereby completing the positioning.

[0035] The limiting assembly 11 includes a spring shell 1101, the outside of the spring shell 1101 is fixedly connected to the inside of the rotating plate 1001, the inside of the spring shell 1101 is slidably connected to a limiting block 1102, the front end of the limiting block 1102 is fixedly connected with an outward push spring 1103, the rear end of the limiting block 1102 is fixedly connected to a limiting linkage rod 1104, the front end of the outward push spring 1103 is fixedly connected to the inside of the spring shell 1101, the rear end of the limiting linkage rod 1104 is fitted into the inside of the spring shell 1101, and the outward push spring 1103 pushes the limiting linkage rod 1104 to move backward, so that the sliding movable block 1003 is stuck in the inside of the rotating plate 1001.

[0036] Working principle: twist the threaded rotating rod 5 to make the threaded rotating rod 5 disengage from the slider 4, the thrust spring 6 pushes the limit plate 7 and the pushing column 8 to move upward, the pushing column 8 drives the sliding linkage block 9 to move upward, and the pushing column 8 pushes the slider 4 to move forward, so that the pushing column 8 ejects the mold. Conversely, pull the sliding linkage block 9 to move downward, and the sliding linkage block 9 drives the pushing column 8 and the limit plate 7 to move downward. At this time, push the slider 4 forward, and the slider 4 slides into the interior of the fixed shell 2. Twist the threaded rotating rod 5, and the threaded rotating rod 5 enters the interior of the slider 4. The thrust spring 6 pushes the limit plate 7 and the pushing column 8 to move upward, and the pushing column 8 drives the sliding linkage block 9 to move upward. The sliding linkage block 9 fits the slider 4, so that the sliding linkage The movable block 9 drives the limit plate 7 and the push column 8 to no longer move upward, making it difficult to remove the finished product and requiring other methods for demoulding, which may cause product damage or increase the production cycle. The push spring assembly 1002 pushes the rotating plate 1001 to move upward, so that the sliding movable block 1003 is completely fitted into the inside of the rotating plate 1001, and the outward push spring 1103 pushes the limit linkage rod 1104 to move backward, so that the sliding movable block 1003 is stuck in the inside of the rotating plate 1001, effectively preventing the mold from being misplaced or shifted during use, reducing the risk of damage to the mold, and ensuring stable alignment between the various components of the mold. The service life of the mold can be extended and the maintenance cost of the mold can be reduced.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A demoulding mechanism for a plastic mold of an automobile plastic part, comprising a housing (1), characterized in that: The top of the housing (1) is fixedly connected to a fixed housing (2), a sliding groove (3) is provided inside the fixed housing (2), a sliding block (4) is slidably connected to the inside of the fixed housing (2), a threaded rotating rod (5) is threadedly connected to the inside of the fixed housing (2), a limiting plate (7) is slidably connected to the inside of the fixed housing (2), a thrust spring (6) is fixedly connected to the bottom end of the limiting plate (7), a pushing column (8) is fixedly connected to the top of the limiting plate (7), a sliding linkage block (9) is fixedly connected to the outside of the pushing column (8), the left and right ends of the fixed housing (2) are both rotatably connected to positioning components (10), and the rear end of the housing (1) is fixedly connected to a water pump (12).

2. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 1, characterized in that: The positioning assembly (10) comprises a rotating plate (1001), the opposite sides of the rotating plate (1001) are rotatably connected to the left and right ends of the fixed shell (2), the left and right ends of the fixed shell (2) are rotatably connected to the push spring assembly (1002), the top end of the shell (1) is fixedly connected to the mold lifting output device (13), the left and right ends of the mold lifting output device (13) are fixedly connected to the sliding movable block (1003), and the interior of the rotating plate (1001) is fixedly connected to the limiting assembly (11).

3. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 2, characterized in that: The bottom end of the sliding movable block (1003) is slidably connected to the inside of the rotating plate (1001), and the top end of the pushing spring assembly (1002) is rotatably connected to the bottom end of the rotating plate (1001).

4. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 2, characterized in that: The limit assembly (11) comprises a spring shell (1101), the outside of the spring shell (1101) is fixedly connected to the inside of the rotating plate (1001), the inside of the spring shell (1101) is slidably connected to a limit block (1102), the front end of the limit block (1102) is fixedly connected to an outward push spring (1103), and the front end of the limit block (1102) is fixedly connected to a limit linkage rod (1104).

5. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 4, characterized in that: The front end of the outward push spring (1103) is fixedly connected to the interior of the spring shell (1101), and the rear end of the limit linkage rod (1104) is fitted into the interior of the spring shell (1101).

6. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 1, characterized in that: A water pump (12) is fixedly connected to the rear end of the housing (1), and a water tank (14) is fixedly connected to the interior of the housing (1).

7. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 6, characterized in that: The input end of the water pump (12) is fixedly connected to the inside of the water tank (14), and the output end of the water pump (12) is fixedly connected to the top end of the housing (1).

8. The demoulding mechanism of a plastic mold for an automobile plastic part according to claim 1, characterized in that: A heat sink (15) is fixedly connected to the rear end of the housing (1).

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