Corona ring rapid forming die

Abstract

The utility model provides a corona ring rapid forming mould, which comprises an upper mould, a lower mould, a locking block and a base, the lower mould is arranged on the base, the upper mould is arranged on the lower mould, mould cavities are arranged in the upper mould and the lower mould, the upper surface of the upper mould is provided with a material injection port, the material injection port is communicated with the internal mould cavity, and the locking block is arranged on the base. A material injection hopper is arranged on the material injection port; when the upper die and the lower die are closed, the upper die and the lower die are locked and fixed by the locking block through a bolt; a corona ring is manufactured by adopting a casting mode of the upper mold and the lower mold, meanwhile, the vibration device is arranged on the mold to promote uniform distribution of raw materials in a mold cavity, gas exhaust is accelerated, the casting period is shortened, and the production efficiency is improved, and due to the arrangement of a locking structure and the vibration device outside the mold, the production efficiency is improved. The stability of the mold in the casting process and timely discharge of gas in the mold cavity are ensured, bubbles or cavities are prevented from occurring in a product, and the forming quality of the product is improved.

Description

Technical Field

[0001] This utility model relates to the field of power fitting manufacturing technology, and in particular to a rapid prototyping mold for a corona ring. Background Technology

[0002] Corona discharge, also known as partial discharge in the air, produces highly corrosive ozone. Corona discharge and moisture, when combined over a long period, can cause high-voltage equipment to decay rapidly. Corona discharge can also cause sparks and radio interference. The installation of corona equalization rings can eliminate or minimize corona discharge near high-voltage equipment, thus reducing the risk of corona discharge.

[0003] Chinese patent document CN201320447634.2 discloses a corona ring, comprising: an upper corona ring body, a lower corona ring body, and multiple blocking plates. The upper corona ring body is located at the upper part of the corona ring, including an upper horizontal part and an upper concave part. The inner side of the upper horizontal part is circular, and the outer side is a regular polygon. The upper concave part is integrally formed with the upper horizontal part and connected to the inner side of the upper horizontal part. The lower corona ring body is located at the lower part of the corona ring, including a lower horizontal part and a lower concave part. The inner side of the lower horizontal part is circular, and the outer side is a regular polygon. The lower concave part is integrally formed with the lower horizontal part and connected to the inner side of the lower horizontal part. The blocking plates simultaneously fix the upper horizontal part and the lower horizontal part. The upper concave part of the upper corona ring body and the lower concave part of the lower corona ring body correspond to each other and are fixed together. The upper and lower horizontal parts are parallel. This invention simplifies the manufacturing process and improves the product yield.

[0004] However, the above-mentioned patent has certain defects in use. The device uses a mold for stamping and then welding. After long-term use, the weld will be broken down, resulting in partial discharge. This greatly weakens the corona ring effect and reduces the service life of the device.

[0005] To address these issues, a rapid prototyping mold for corona rings is proposed here. Utility Model Content

[0006] To overcome the shortcomings of the existing technology, this utility model provides a rapid prototyping mold for corona rings.

[0007] This utility model is achieved using the following technical solution:

[0008] A rapid prototyping mold for a corona ring includes an upper mold, a lower mold, a locking block, and a base. The lower mold is disposed on the base, and the upper mold is disposed on top of the lower mold. Both the upper and lower molds have mold cavities.

[0009] The upper surface of the upper mold is provided with a sprue, the sprue is connected to the internal mold cavity, and the sprue is provided with a sprue hopper;

[0010] When the upper mold and the lower mold are closed, the locking block locks and fixes the upper mold and the lower mold with bolts;

[0011] The lower end of the lower mold is equipped with a vibration device.

[0012] The vibration device includes a vibration motor, which is fixed to the lower surface of the lower mold. Mounting columns are provided around the lower mold, and springs are provided inside the mounting columns. The top of the springs is fixed inside the mounting columns, and a support column is provided at the bottom of the springs. The support column is fixed to the base.

[0013] The upper mold is provided with multiple vent holes, which are connected to the internal mold cavity.

[0014] The base is symmetrically provided with vertical plates, which are fixed on the base and located on both sides of the upper and lower molds. A cylinder is provided on the inner side wall of the vertical plate, and a telescopic rod is provided at the output end of the cylinder. A pressure plate is provided at the end of the telescopic rod.

[0015] The vertical plate has reinforcing ribs on its sidewalls, and the sidewalls of the reinforcing ribs are welded to the vertical plate and the bottom is welded to the base.

[0016] The upper surface of the lower mold is provided with guide posts around its perimeter. The guide posts are fixedly connected to the lower mold. The lower surface of the upper mold is provided with guide holes that fit together. When the upper mold and the lower mold are closed, the guide posts pass through the guide holes.

[0017] The present invention has the following advantages over the prior art:

[0018] 1. By using an upper and lower mold casting method, a corona ring is made. At the same time, a vibration device is set on the mold to promote the uniform distribution of raw materials in the mold cavity and accelerate the discharge of gas, shorten the casting cycle, and improve production efficiency. The locking structure and vibration device on the outside of the mold ensure the stability of the mold during the casting process and the timely discharge of gas in the mold cavity, avoiding the formation of bubbles or voids inside the product and improving the molding quality of the product.

[0019] 2. By setting clamping devices on both sides of the mold, after the vibration device finishes venting, the clamping device is activated. The cylinder inside the clamping device drives the pressure block to press the mold, limit its position and stop shaking, ensuring that the potential energy of the spring is eliminated and improving the molding quality of the mold. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the front structure of this utility model;

[0022] Figure 3 This is an exploded three-dimensional structural diagram of this utility model;

[0023] Figure 4 This is a utility model Figure 3 Enlarged schematic diagram of the middle structure;

[0024] In the diagram: 1. Upper mold; 11. Injection hopper; 12. Vent hole; 2. Lower mold; 21. Guide post; 22. Mounting post; 3. Base; 4. Vertical plate; 5. Reinforcing rib; 6. Locking block; 61. Bolt; 7. Vibration motor; 8. Cylinder; 81. Pressure plate; 9. Spring; 91. Support post; 10. Corona ring. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0026] The present invention will be further described below with reference to the accompanying drawings.

[0027] like Figures 1 to 4 As shown, a rapid prototyping mold for a corona ring 10 includes an upper mold 1, a lower mold 2, a locking block 6, and a base 3. The lower mold 2 is disposed on the base 3, and the upper mold 1 is disposed on the lower mold 2. The upper mold 1 and the lower mold 2 are provided with mold cavities. The mold cavities are in the shape of the corona ring 10, and the upper mold 1 and the lower mold 2 together form the mold cavity.

[0028] The upper surface of the upper mold 1 is provided with a sprue, which is connected to the internal mold cavity. The sprue is provided with a hopper 11. The sprue is for easy injection of raw materials, while the hopper 11 is for precise control of the amount of raw materials added, preventing the raw materials from spilling out of the sprue.

[0029] When the upper mold 1 and the lower mold 2 are closed, the locking block 6 locks and fixes the upper mold 1 and the lower mold 2 by bolts 61; the locking block 6 is to ensure the stability of the mold during the casting process and prevent the mold from deforming or misaligning due to high pressure.

[0030] The lower end of the lower mold 2 is equipped with a vibration device.

[0031] The vibration device includes a vibration motor 7, which is fixed to the lower surface of the lower mold 2. Vibration promotes the uniform distribution of raw materials in the mold cavity and helps to expel gas from the mold cavity, thereby improving the molding quality of the product. The lower mold 2 is provided with mounting columns 22 around its perimeter. A spring 9 is provided inside the mounting columns 22. The top of the spring 9 is fixed inside the mounting column 22, and a support column 91 is provided at the bottom of the spring 9. The support column 91 is fixed to the base 3. This design plays a role in shock absorption and buffering, reducing the impact of vibration on the mold and the base 3.

[0032] The upper mold 1 is provided with a plurality of vent holes 12, which are connected to the internal mold cavity. The vent holes 12 are to ensure that the gas in the mold cavity can be discharged in time during the casting process, so as to avoid the formation of bubbles or voids inside the product.

[0033] The base 3 is symmetrically provided with vertical plates 4, which are fixed on the base 3 and located on both sides of the upper mold 1 and the lower mold 2. The inner side wall of the vertical plate 4 is provided with a cylinder 8, the output end of the cylinder 8 is provided with a telescopic rod, and the end of the telescopic rod is provided with a pressure plate 81.

[0034] The side wall of the vertical plate 4 is provided with reinforcing ribs 5. The side wall of the reinforcing ribs 5 is welded and fixed to the vertical plate 4, and the bottom is welded and fixed to the base 3, thereby improving the overall strength and stability of the mold.

[0035] The upper surface of the lower mold 2 is provided with guide posts 21 around its perimeter. The guide posts 21 are fixedly connected to the lower mold 2. The lower surface of the upper mold 1 is provided with guide holes that are adapted to fit the mold. When the upper mold 1 and the lower mold 2 are closed, the guide posts 21 pass through the guide holes. The cooperation between the guide posts 21 and the guide holes ensures the accuracy and stability of the mold closing.

[0036] The working principle of this utility model is as follows: When using it, assemble the various parts of the mold together and ensure its stability and accuracy. Check whether the key parts of the mold, such as the vent hole 12, guide pillar 21 and guide hole, are unobstructed and accurate, and prepare the raw materials.

[0037] At this time, the locking block 6 tightly locks and fixes the upper mold 1 and the lower mold 2 with bolts 61 to ensure that the mold will not deform or misalign due to high temperature and high pressure during the casting process;

[0038] The raw material is injected into the injection port of the upper mold 1 through the injection hopper 11. The raw material then enters the mold cavity. At the same time, the vibration motor 7 in the vibration device is started. Vibration promotes the uniform distribution of the raw material in the mold cavity and accelerates the discharge of gas. The vibration frequency and amplitude of the vibration motor 7 can be adjusted according to the characteristics of the raw material and the requirements of the mold to achieve the best casting effect.

[0039] After casting, the mold enters the cooling stage. The cooling time can be adjusted according to the characteristics of the raw materials and the requirements of the product. During the cooling process, the heat inside the mold is gradually dissipated to the outside through heat conduction and convection, allowing the product to gradually solidify. The formed corona ring 10 product is then removed for subsequent processing or testing.

[0040] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A rapid prototyping mold for corona rings, characterized in that: It includes an upper mold, a lower mold, a locking block, and a base. The lower mold is disposed on the base, and the upper mold is disposed on top of the lower mold. Both the upper mold and the lower mold have mold cavities. The upper surface of the upper mold is provided with a sprue, the sprue is connected to the internal mold cavity, and the sprue is provided with a sprue hopper; When the upper mold and the lower mold are closed, the locking block locks and fixes the upper mold and the lower mold with bolts; The lower end of the lower mold is equipped with a vibration device.

2. The corona ring rapid prototyping mold according to claim 1, characterized in that: The vibration device includes a vibration motor, which is fixed to the lower surface of the lower mold. Mounting columns are provided around the lower mold, and springs are provided inside the mounting columns. The top of the springs is fixed inside the mounting columns, and a support column is provided at the bottom of the springs. The support column is fixed to the base. The upper mold is provided with multiple vent holes, which are connected to the internal mold cavity.

3. The rapid prototyping mold for a corona ring according to claim 1, characterized in that: The base is symmetrically provided with vertical plates, which are fixed on the base and located on both sides of the upper and lower molds. A cylinder is provided on the inner side wall of the vertical plate, and a telescopic rod is provided at the output end of the cylinder. A pressure plate is provided at the end of the telescopic rod.

4. The rapid prototyping mold for a corona ring according to claim 3, characterized in that: The vertical plate has reinforcing ribs on its sidewalls, and the sidewalls of the reinforcing ribs are welded to the vertical plate and the bottom is welded to the base.

5. The rapid prototyping mold for a corona ring according to claim 1, characterized in that: The upper surface of the lower mold is provided with guide posts around its perimeter. The guide posts are fixedly connected to the lower mold. The lower surface of the upper mold is provided with guide holes that fit together. When the upper mold and the lower mold are closed, the guide posts pass through the guide holes.

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