Porcelain insulator fettling and shaping device

By designing a blank-repairing and shaping device with a pressure plate flipping function, the problem of insufficient adaptability of traditional devices was solved, and precise pressing and efficient production of porcelain insulators of different specifications were achieved.

CN224248373UActive Publication Date: 2026-05-15JIANGSU XINGCHEN ELECTRIC POWER TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU XINGCHEN ELECTRIC POWER TECHNOLOGY CO LTD
Filing Date
2025-06-17
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Traditional porcelain insulator blank trimming and shaping devices lack a flexible adjustment mechanism and cannot quickly switch production modes, resulting in insufficient adaptability and difficulty in meeting the production needs of porcelain insulators with different umbrella skirt groove shapes, diameters, and umbrella skirt spacings.

Method used

A blank trimming and shaping device with a pressure plate flipping function was designed. The longitudinal movement of the lap plate is driven by a cylinder and the height of the pressure plate is adjusted by an electric push rod. Combined with the variable pitch structure of the outer trimming knife, the shaped direction of the umbrella skirt groove can be flexibly switched and the trimming range can be adjusted to meet the production needs of porcelain insulators of different specifications.

Benefits of technology

It improves the adaptability of the insulators and enables precise pressing of porcelain insulators with different diameters and skirt spacings, thereby improving production efficiency and product consistency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a porcelain insulator fettling and shaping device which comprises a base, the upper surface of the base is fixedly connected with a positioning frame through a vertical plate, the interior of the positioning frame is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a lap joint plate, and the interior of the lap joint plate is fixedly connected with an electric push rod. A plate body is fixedly connected to the output end of the electric push rod, a pressing disc is rotatably connected to the interior of the plate body, a column body is fixedly connected to the lower surface of the positioning frame, a mounting plate is in threaded connection to the exterior of the column body, and a two-way screw is rotatably connected to the interior of the mounting plate. Through the structure, the height of the pressing disc is adjusted through the electric push rod, precise pressing of an inwards-sunken or outwards-sunken structure of the top of a green body is achieved, the shaping direction of an umbrella skirt groove can be flexibly switched through the overturning function of the pressing disc, the dressing adaptability is improved, in addition, the dressing range and size can be adjusted through the variable pitch of the outer dressing knife, and the dressing efficiency is improved. Therefore, the fettling device can meet fettling requirements of porcelain insulators with specifications of different diameters, different umbrella skirt distances and the like.
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Description

Technical Field

[0001] This utility model relates to the technical field of blank trimming and shaping devices, and in particular to a blank trimming and shaping device for porcelain insulators. Background Technology

[0002] As a key component in power systems ensuring the insulation performance of electrical equipment, the quality of porcelain insulators directly affects the safety and stability of power grid operation. In the production process of porcelain insulators, the blank trimming and shaping process is a core step in ensuring product dimensional accuracy, structural integrity, and electrical performance. Traditional porcelain insulator blank trimming and shaping relies heavily on manual operation or simple mechanical devices, which is not only inefficient but also makes it difficult to achieve precise pressing in the forming of inward or outward recessed structures on the top of the blank, resulting in poor product consistency. Furthermore, traditional equipment lacks a flexible adjustment mechanism for porcelain insulators with different skirt groove shapes, diameters, and skirt spacings, making it impossible to quickly switch production modes and severely limiting its adaptability.

[0003] With the increasing demand for porcelain insulators in the power industry and the growing diversification of product specifications, the development of efficient, precise, and adaptable trimming and shaping devices is urgently needed. By adding a pressure plate flipping function, the direction of the shed groove shape can be flexibly switched, significantly improving the device's adaptability to different production needs. Furthermore, through the design of an external trimming blade pitch-adjusting structure, the trimming range and dimensions can be flexibly adjusted according to the diameter, shed spacing, and other specifications of the porcelain insulator. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a porcelain insulator blank trimming and shaping device. This device solves the problem that for porcelain insulators with different umbrella skirt groove shapes, different diameters and umbrella skirt spacings, the device lacks a flexible adjustment mechanism and cannot quickly switch production modes, resulting in serious inadequacy of adaptability.

[0005] This utility model also provides a porcelain insulator blank trimming and shaping device as described above, comprising: a base, a sliding plate slidably connected inside the base, a motor fixedly connected to the upper surface of the sliding plate, a placement plate fixedly connected to the output end of the motor, a vertical plate fixedly connected to the upper surface of the base, a positioning frame fixedly connected to the side surface of the vertical plate, a cylinder fixedly connected inside the positioning frame, a lap plate fixedly connected to the output end of the cylinder, an electric push rod fixedly connected inside the lap plate, a plate fixedly connected to the output end of the electric push rod, and a pressure plate rotatably connected inside the plate; a column fixedly connected to the lower surface of the positioning frame, a mounting plate threaded to the outside of the column, a bidirectional screw rotatably connected inside the mounting plate, a first external trimming knife rotatably connected to the outside of the bidirectional screw, the end of the first external trimming knife being fixedly connected to the mounting plate, two symmetrically arranged second external trimming knives threaded to the outside of the bidirectional screw, and connecting rods rotatably connected to the outside of both the first and second external trimming knives, with the ends of multiple connecting rods rotatably connected sequentially. The cylinder drives the overlapping plate to move longitudinally, and the electric push rod adjusts the height of the pressure plate to achieve precise pressing of the inward or outward recessed structure on the top of the blank. Its pressure plate flipping function can flexibly switch the umbrella skirt groove shape direction, improving the adaptability of the trimming. In addition, by changing the pitch of the outer trimming knife, the trimming range and size can be adjusted to meet the trimming needs of porcelain insulator blanks with different diameters and different umbrella skirt spacings.

[0006] According to the present invention, a porcelain insulator blank trimming and shaping device comprises an electric motor fixedly connected to the upper surface of a plate, a shaft fixedly connected to the output end of the electric motor, an end of the shaft fixedly connected to a pressure plate, and an exterior of the shaft rotatably connected to the plate. The electric motor drives the shaft to rotate the pressure plate, thereby allowing the opening of the pressure plate to face different directions, thus facilitating the trimming of different types of insulators.

[0007] According to the present invention, a porcelain insulator blank trimming and shaping device includes a pin body fixedly connected inside a placement tray, and the placement tray has a stepped disc-shaped cross-section. The pin body secures the insulator, preventing slippage during rotation.

[0008] According to the present invention, a porcelain insulator blank trimming and shaping device has a limiting groove inside the plate body that matches the pressure plate, and the pressure plate has an open cavity structure. The plate body drives the pressure plate downwards, thereby pressing down and trimming the top of the insulator.

[0009] According to the present invention, a porcelain insulator blank trimming and shaping device comprises a positioning frame that is slidably connected to a plate body via a sliding groove, and the positioning frame has a U-shaped cross-section. The sliding groove of the positioning frame provides guidance for the movement of the plate body, thereby enabling the plate body to move laterally stably.

[0010] According to the present invention, a porcelain insulator blank trimming and shaping device comprises two symmetrically distributed upright plates located on both sides of a placement tray, which is positioned below a pressure plate during operation. The fired insulators are placed inside the placement tray, allowing them to rotate and facilitating the trimming of their sides.

[0011] According to the porcelain insulator blank trimming and shaping device of this utility model, the end of the second outer trimming blade is slidably connected to the mounting plate, and the two second outer trimming blades move at equal intervals. The equidistant movement of the two second outer trimming blades can adapt to the processing requirements of insulators of different specifications.

[0012] According to the present invention, a porcelain insulator blank trimming and shaping device comprises a first outer trimming blade and a second outer trimming blade, the upper and lower sides of which are fixedly connected by telescopic tubes located outside the bidirectional screw. The telescopic tubes protect the exterior of the bidirectional screw, preventing residual material from affecting it during trimming.

[0013] Beneficial effects: Compared with the existing technology, this new type of porcelain insulator blank trimming and shaping device uses a cylinder to drive the lap plate to move longitudinally, and combines an electric push rod to adjust the height of the pressure plate, so as to achieve precise pressing of the inward or outward recessed structure of the blank top. Its pressure plate flipping function can flexibly switch the umbrella skirt groove shape direction, improving the adaptability of trimming. In addition, by changing the pitch of the outer trimming knife, the trimming range and size can be adjusted, so that it can adapt to the trimming needs of porcelain insulator blanks with different diameters and different umbrella skirt specifications. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a complete structural diagram of the porcelain insulator blank trimming and shaping device of this utility model;

[0016] Figure 2 This is a cross-sectional view of the ceramic insulator blank trimming and shaping device of this utility model;

[0017] Figure 3 This is a structural diagram of the pressing mechanism of the porcelain insulator blank trimming and shaping device of this utility model;

[0018] Figure 4 This is a structural diagram of the trimming mechanism of the porcelain insulator trimming and shaping device of this utility model;

[0019] Figure 5 This is a structural diagram of the transmission mechanism of the porcelain insulator blank trimming and shaping device of this utility model.

[0020] Legend:

[0021] 1. Base; 2. Slide plate; 3. Motor; 4. Placement tray; 5. Upright plate; 6. Positioning frame; 7. Cylinder; 8. Overlap plate; 9. Electric push rod; 10. Plate body; 11. Pressure plate; 12. Column; 13. Mounting plate; 14. Two-way screw; 15. First external trimmer; 16. Connecting rod; 17. Electric motor; 18. Shaft; 19. Needle body; 20. Limiting groove; 21. Telescopic tube; 22. Second external trimmer. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-5 This utility model provides a ceramic insulator blank trimming and shaping device, which includes: a base 1, a sliding plate 2 slidably connected inside the base 1, a motor 3 fixedly connected to the upper surface of the sliding plate 2, a placement plate 4 fixedly connected to the output end of the motor 3, a vertical plate 5 fixedly connected to the upper surface of the base 1, a positioning frame 6 fixedly connected to the side surface of the vertical plate 5, a cylinder 7 fixedly connected inside the positioning frame 6, a connecting plate 8 fixedly connected to the output end of the cylinder 7, an electric push rod 9 fixedly connected inside the connecting plate 8, such that the output end of the electric push rod 9 is fixedly connected to a plate body 10, a pressure plate 11 rotatably connected inside the plate body 10, a limiting groove 20 matching the pressure plate 11 is provided inside the plate body 10, the pressure plate 11 is a cavity structure with an opening, an electric motor 17 fixedly connected to the upper surface of the plate body 10, a shaft 18 fixedly connected to the output end of the electric motor 17, the end of the shaft 18 fixedly connected to the pressure plate 11, and the outside of the shaft 18 rotatably connected to the plate body 10;

[0024] Specifically, the starting cylinder 7 pushes the lap plate 8 so that the pressure plate 11 is positioned above the insulator that is still being repaired. Then, the electric push rod 9 is started to drive the plate 10 so that the pressure plate 11 can press and straighten the top of the insulator. When it is necessary to adjust the orientation of the pressure plate 11, the electric motor 17 is started to drive the shaft 18 so that the pressure plate 11 can rotate, thereby allowing the pressure plate 11 to be flipped over, which improves the adaptability of the repair.

[0025] A column 12 is fixedly connected to the lower surface of the positioning frame 6. A mounting plate 13 is threadedly connected to the outside of the column 12. A bidirectional screw 14 is rotatably connected inside the mounting plate 13. A first external trimmer 15 is rotatably connected to the outside of the bidirectional screw 14. The end of the first external trimmer 15 is fixedly connected to the mounting plate 13. Two symmetrically arranged second external trimmers 22 are threadedly connected to the outside of the bidirectional screw 14. Both the first external trimmer 15 and the second external trimmer 22 are rotatably connected to the outside of the connecting rod 16. The ends of the multiple connecting rods 16 are rotatably connected in sequence. The ends of the second external trimmers 22 are slidably connected to the mounting plate 13. The two second external trimmers 22 move at equal distances. The upper and lower sides of the first external trimmer 15 and the second external trimmer 22 are fixedly connected in sequence through telescopic tubes 21. The telescopic tubes 21 are located outside the bidirectional screw 14.

[0026] Specifically, the rotation of the bidirectional screw 14 synchronously controls the radial movement of the symmetrically arranged second outer trimmers 22, thereby adjusting the distance between the two second outer trimmers 22 and the first outer trimmer 15. The first outer trimmer 15 and the two second outer trimmers 22 form a kinematic pair through the connecting rod 16, realizing the coordinated operation of multiple tools, thus meeting the trimming needs of porcelain insulators between different umbrella skirts.

[0027] The placement tray 4 is internally fixedly connected to a needle body 19. The cross-section of the placement tray 4 is a stepped disc structure. There are two upright plates 5, which are symmetrically distributed. The two upright plates 5 are located on both sides of the placement tray 4. When the placement tray 4 is working, it is located below the pressure plate 11. The positioning frame 6 is internally slidably connected to the plate body 10 through a sliding groove. The cross-section of the positioning frame 6 is a U-shaped structure.

[0028] Specifically, the clay blanks are placed on the placement tray 4 and fixed by the needle body 19. In addition, the positioning frame 6 is fixed by the upright plate 5, and the plate body 10 can move horizontally stably by the sliding groove of the positioning frame 6.

[0029] Working principle: First, the center of the clay blank is passed through the needle body 19 and placed inside the placement tray 4. Then, the motor 3 is started to drive the placement tray 4, allowing the insulator to rotate. Then, the sliding plate 2 is pushed, causing the placement tray 4 to move to the side along with the clay blank, so that the placement tray 4 gradually approaches and contacts the first outer trimming knife 15 and the second outer trimming knife 22, allowing the first outer trimming knife 15 and the second outer trimming knife 22 to trim the insulator. When it is necessary to adjust the distance between the first outer trimming knife 15 and the second outer trimming knife 22, the bidirectional screw 14 is rotated to drive the two symmetrical second outer trimming knives 22 to move, thereby trimming the insulator into different specifications of umbrella skirts. Next, the cylinder 7 is started to push the overlapping plate 8 so that the pressure plate 11 is positioned above the insulator that is still being trimmed. Then, the electric push rod 9 is started to drive the plate 10 so that the pressure plate 11 can press and straighten the top of the insulator.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A device for trimming and shaping porcelain insulator blanks, characterized in that, include: A base (1) is slidably connected to a slide plate (2) inside the base (1). A motor (3) is fixedly connected to the upper surface of the slide plate (2). A placement plate (4) is fixedly connected to the output end of the motor (3). A vertical plate (5) is fixedly connected to the upper surface of the base (1). A positioning frame (6) is fixedly connected to the side surface of the vertical plate (5). A cylinder (7) is fixedly connected inside the positioning frame (6). A connecting plate (8) is fixedly connected to the output end of the cylinder (7). An electric push rod (9) is fixedly connected inside the connecting plate (8). A plate body (10) is fixedly connected to the output end of the electric push rod (9). A pressure plate (11) is rotatably connected inside the plate body (10). A column (12) is fixedly connected to the lower surface of the positioning frame (6). A mounting plate (13) is threadedly connected to the outside of the column (12). A bidirectional screw (14) is rotatably connected inside the mounting plate (13). A first external trimmer (15) is rotatably connected to the outside of the bidirectional screw (14). The end of the first external trimmer (15) is fixedly connected to the mounting plate (13). Two symmetrically arranged second external trimmers (22) are threadedly connected to the outside of the bidirectional screw (14). A connecting rod (16) is rotatably connected to the outside of both the first external trimmer (15) and the second external trimmer (22). The ends of multiple connecting rods (16) are rotatably connected in sequence.

2. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, An electric motor (17) is fixedly connected to the upper surface of the plate (10). A shaft (18) is fixedly connected to the output end of the electric motor (17). The end of the shaft (18) is fixedly connected to the pressure plate (11). The outside of the shaft (18) is rotatably connected to the plate (10).

3. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, The placement tray (4) has a needle body (19) fixedly connected inside, and the cross-section of the placement tray (4) is a stepped disc structure.

4. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, The plate (10) is provided with a limiting groove (20) that matches the pressure plate (11), and the pressure plate (11) is a cavity structure with an opening.

5. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, The positioning frame (6) is slidably connected to the plate (10) through a sliding groove, and the cross-section of the positioning frame (6) is a U-shaped structure.

6. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, There are two upright plates (5) symmetrically distributed, and the two upright plates (5) are located on both sides of the placement plate (4). The placement plate (4) is located below the pressure plate (11) when it is working.

7. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, The end of the second outer trimmer (22) is slidably connected to the mounting plate (13), and the two second outer trimmers (22) move at equal distances.

8. The porcelain insulator blank trimming and shaping device according to claim 1, characterized in that, The first external cutting tool (15) and the second external cutting tool (22) are fixedly connected on the upper and lower sides by telescopic tubes (21), and the telescopic tubes (21) are located outside the bidirectional screw (14).