A type of split-type electrical sheath production mold

By designing a switching mechanism and punching assembly for a split-type electrical sheath production mold, the problem of lack of holes after the insulating sheath is formed is solved, enabling continuous processing of the sheath and improving processing efficiency.

CN224510245UActive Publication Date: 2026-07-17SUZHOU KUNXIANG PRECISION MOLD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU KUNXIANG PRECISION MOLD CO LTD
Filing Date
2024-12-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The transformer insulation sleeve lacks holes after being injection molded, resulting in a lack of continuity between the molding and drilling operations, which reduces processing efficiency.

Method used

A split-type electrical sheath production mold was designed, comprising a switching mechanism, a mold closing assembly, and a punching assembly. The switching mechanism drives the mold closing assembly and the punching assembly to work alternately, thereby achieving continuous forming and punching of the insulating sheath.

Benefits of technology

This enables the seamless integration of injection molding and punching processes for the insulating sheath, thereby improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a split-type electrical sheath production mold, including a bracket, on which a lower mold is fixedly mounted, and a shifting mechanism. A mold closing assembly and a punching assembly are mounted below the shifting mechanism. Under the action of the shifting mechanism, the mold closing assembly and the punching assembly alternately occupy positions above the lower mold. The shifting mechanism includes a guide rail fixedly mounted on the bracket, with a slider slidably connected to the bottom of the guide rail. A first electric push rod is installed between the slider and the guide rail. A bearing plate is fixedly mounted at the bottom of the slider. This invention relates to the field of sheath production mold technology. By setting the mold closing assembly and the punching assembly below the shifting mechanism, and driving the shifting mechanism to alternately occupy positions above the lower mold, the punching assembly can punch holes in the insulating sheath after it is formed. This makes the injection molding and punching processes of the insulating sheath continuous, improving the processing efficiency of the insulating sheath.
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Description

Technical Field

[0001] This utility model relates to the field of sheath production mold technology, specifically a split-type electrical sheath production mold. Background Technology

[0002] Transformer insulation sleeves are injection molded using molds. However, the molded insulation sleeves do not have holes. Therefore, the molded insulation sleeves still need to be punched with a punching machine. As a result, the molding and punching operations of the insulation sleeves are not continuous, resulting in low processing efficiency. Utility Model Content

[0003] In view of the problems existing in the production mold of a split electrical sheath, this utility model is proposed.

[0004] Therefore, the purpose of this utility model is to provide a split electrical sheath production mold, which solves the problem that transformer insulation sheaths are injection molded by molds, but the molded insulation sheaths do not have holes. Therefore, the molded insulation sheaths still need to be punched with a punching device. As a result, the molding and punching operations of the insulation sheaths are not continuous, resulting in low processing efficiency of the insulation sheaths.

[0005] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0006] A split-type electrical sheath production mold includes a bracket, on which a lower mold is fixedly mounted, and a shifting mechanism. A mold closing assembly and a punching assembly are installed below the shifting mechanism. Under the action of the shifting mechanism, the mold closing assembly and the punching assembly are alternately positioned above the lower mold.

[0007] As a preferred embodiment of the split-type electrical sheath production mold of this utility model, the switching mechanism includes a guide rail fixedly installed on a bracket, a slider slidably connected to the bottom of the guide rail, a first electric push rod jointly installed between the slider and the guide rail, and a bearing plate fixedly installed at the bottom of the slider.

[0008] As a preferred embodiment of the split-type electrical sheath production mold of this utility model, the mold closing assembly includes a second electric push rod installed at the bottom of the support plate, and an upper mold is installed at the bottom of the second electric push rod.

[0009] As a preferred embodiment of the split-type electrical sheath production mold of this utility model, the upper mold is welded with a first guide rod, and the lower mold is welded with a guide seat.

[0010] In a preferred embodiment of the split-type electrical sheath production mold of this utility model, the punching assembly includes a hydraulic cylinder fixedly mounted on a support plate, a support plate fixedly mounted on the bottom of the telescopic rod of the hydraulic cylinder, and a punching rod welded to the bottom of the support plate.

[0011] As a preferred embodiment of the split-type electrical sheath production mold of this utility model, a second guide rod is welded on the outer wall of the support plate, and a through hole is provided on the guide seat for the first guide rod and the second guide rod to pass through.

[0012] As a preferred embodiment of the split-type electrical sheath production mold of this utility model, the bottom of the lower mold is provided with a punched pre-reserved through hole, a pin is embedded in the punched pre-reserved through hole, a lifting beam is welded to the bottom of the pin, a third electric push rod is installed at the bottom of the lifting beam, and the bottom end of the third electric push rod is connected to the bracket.

[0013] As a preferred embodiment of the split-type electrical sheath production mold described in this utility model, the bracket is provided with a large through hole to accommodate the lifting beam.

[0014] Compared with existing technologies:

[0015] By setting a mold closing assembly and a punching assembly below the shifting mechanism, the shifting mechanism drives the mold closing assembly and the punching assembly to alternately position above the lower mold. This allows the punching assembly to punch holes in the insulating sleeve after it has been formed, thus making the injection molding and punching processes of the insulating sleeve continuous and improving the processing efficiency of the insulating sleeve. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the present invention;

[0017] Figure 2 A schematic diagram of the mold clamping assembly provided by this utility model;

[0018] Figure 3 A schematic diagram of the punching assembly provided by this utility model;

[0019] Figure 4 A side view of the transposition mechanism provided by this utility model;

[0020] Figure 5 Provided by this utility model Figure 1 A partial sectional view.

[0021] In the diagram: 1. Bracket; 2. Guide rail; 3. Hydraulic cylinder; 4. Slider; 5. Third electric push rod; 6. First support connecting seat; 7. Second support connecting seat; 8. Lower mold; 81. Guide seat; 9. Upper mold; 91. First guide rod; 10. Bearing plate; 11. Third support connecting seat; 12. Support plate; 13. Second electric push rod; 14. Fifth support connecting seat; 15. Punching rod; 16. Second guide rod; 17. Fourth support connecting seat; 18. Large through hole; 19. Lifting beam; 191. Pin; 20. First electric push rod; 21. Seventh support connecting seat; 22. Sixth support connecting seat. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0023] This utility model provides a split-type electrical sheath production mold. Please refer to [link / reference]. Figure 1-5 It includes a bracket 1, on which a lower mold 8 is fixedly mounted, and a shifting mechanism. A mold closing assembly and a punching assembly are installed below the shifting mechanism. Under the action of the shifting mechanism, the mold closing assembly and the punching assembly are alternately positioned above the lower mold 8.

[0024] The switching mechanism includes a guide rail 2 fixedly mounted on a bracket 1. A slider 4 is slidably connected to the bottom of the guide rail 2. Specifically, a T-shaped groove is provided at the bottom of the guide rail 2, and the top of the slider 4 is T-shaped. The T-shaped groove and the slider 4 are slidably connected. A first electric push rod 20 is installed between the slider 4 and the guide rail 2. Specifically, a support block is welded to the bottom of the guide rail 2, and a sixth support connecting seat 22 is welded to the support block. The first electric push rod 20 is inserted into the inner wall of the sixth support connecting seat 22, and the first electric push rod 20 and the sixth support connecting seat 22 are fixed together by bolts. A seventh support connecting seat 21 is welded to the slider 4, and the first electric push rod 20 is inserted into the inner wall of the seventh support connecting seat 21. The first electric push rod 20 and the seventh support connecting seat 21 are fixed together by bolts. A bearing plate 10 is fixedly mounted at the bottom of the slider 4.

[0025] The mold clamping assembly includes a second electric push rod 13 installed at the bottom of the support plate 10. Specifically, a fourth support connecting seat 17 is welded to the bottom of the support plate 10. The top end of the second electric push rod 13 is inserted into the fourth support connecting seat 17, and the fourth support connecting seat 17 and the second electric push rod 13 are fixed together by bolts. An upper mold 9 is installed at the bottom of the second electric push rod 13. Specifically, a fifth support connecting seat 14 is welded to the upper mold 9. The bottom end of the second electric push rod 13 is inserted into the fifth support connecting seat 14, and the fifth support connecting seat 14 and the second electric push rod 13 are fixed together by bolts.

[0026] The upper mold 9 is welded with a first guide rod 91, and the lower mold 8 is welded with a guide seat 81.

[0027] The punching assembly includes a hydraulic cylinder 3 fixedly mounted on a support plate 10. A support plate 12 is fixedly mounted on the bottom of the telescopic rod of the hydraulic cylinder 3. Specifically, a third support connecting seat 11 is welded on the support plate 12. The end of the telescopic rod of the hydraulic cylinder 3 is inserted into the third support connecting seat 11, and the third support connecting seat 11 and the end of the telescopic rod of the hydraulic cylinder 3 are fixed together by bolts. A punching rod 16 is welded to the bottom of the support plate 12.

[0028] A second guide rod 16 is welded to the outer wall of the support plate 12, and a through hole is provided on the guide seat 81 for the first guide rod 91 and the second guide rod 16 to pass through. When the first guide rod 91 is inserted into the guide seat 81, it enables the upper mold 9 and the lower mold 8 to close precisely. When the second guide rod 16 is inserted into the guide seat 81, each punch rod 15 is located above the pre-reserved through hole of each punch in the lower mold 8.

[0029] The bottom of the lower mold 8 is provided with a punched pre-reserved through hole, and a pin 191 is embedded in the punched pre-reserved through hole. A lifting beam 19 is welded to the bottom of the pin 191. A large through hole 18 is provided on the bracket 1 to accommodate the lifting beam 19. A third electric push rod 5 is installed at the bottom of the lifting beam 19. Specifically, a first support connecting seat 6 is welded to the bottom of the lifting beam 19. The top end of the third electric push rod 5 is inserted into the first support connecting seat 6, and the first support connecting seat 6 and the third electric push rod 5 are fixed together by bolts. The bottom end of the third electric push rod 5 is connected to the bracket 1. Specifically, a second support connecting seat 7 is welded to the bracket 1. The third electric push rod 5 is inserted into the inner wall of the second support connecting seat 7, and the third electric push rod 5 and the second support connecting seat 7 are fixed together by bolts.

[0030] In practical use, such as Figure 1 At this time, the upper mold 9 is located above the lower mold 8. The second electric push rod 13 drives the upper mold 9 to descend and close with the lower mold 8, perform injection molding, and wait for cooling.

[0031] After the insulating sleeve cools down, the second electric push rod 13 rises and drives the lower mold 8 to rise, the first electric push rod 20 retracts and drives the support plate 10 to move until the second guide rod 16 in the punching assembly is above the guide seat 81, and the punching rod 15 is above the punching reserved through hole.

[0032] The third electric push rod 5 drives the lifting beam 19 to descend until the pin 191 moves out of the punching pre-reserved through hole. The hydraulic cylinder 3 drives the support plate 12 to descend, and the support plate 12 drives the punching rod 15 to descend, thus completing the punching of the insulating sleeve.

[0033] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A split type electrical sheath production mold comprising a support (1) on which a lower mold (8) is fixedly installed, characterized in that: It also includes a shifting mechanism, under which a mold closing assembly and a punching assembly are installed. Under the action of the shifting mechanism, the mold closing assembly and the punching assembly are alternately positioned above the lower mold (8).

2. The split mold for producing an electrical jacket according to claim 1, wherein The switching mechanism includes a guide rail (2) fixedly installed on a bracket (1), a slider (4) slidably connected to the bottom of the guide rail (2), a first electric push rod (20) being installed between the slider (4) and the guide rail (2), and a bearing plate (10) being fixedly installed at the bottom of the slider (4).

3. The split mold for producing an electrical jacket as set forth in claim 2, wherein, The mold closing assembly includes a second electric push rod (13) installed at the bottom of the support plate (10), and an upper mold (9) is installed at the bottom of the second electric push rod (13).

4. The split mold for producing an electrical jacket according to claim 3, wherein The upper mold (9) is welded with a first guide rod (91), and the lower mold (8) is welded with a guide seat (81).

5. The split mold for producing an electrical jacket as set forth in claim 4, wherein, The punching assembly includes a hydraulic cylinder (3) fixedly mounted on a support plate (10). A support plate (12) is fixedly mounted on the bottom of the telescopic rod of the hydraulic cylinder (3). A punching rod (15) is welded to the bottom of the support plate (12).

6. A split-type electrical sheath production mold according to claim 5, characterized in that, A second guide rod (16) is welded to the outer wall of the support plate (12), and a through hole is provided on the guide seat (81) for the first guide rod (91) and the second guide rod (16) to pass through.

7. The split mold for producing an electrical jacket as set forth in claim 5, wherein The bottom of the lower mold (8) is provided with a punching pre-reserved through hole, and a pin (191) is embedded in the punching pre-reserved through hole. A lifting beam (19) is welded to the bottom of the pin (191), and a third electric push rod (5) is installed at the bottom of the lifting beam (19). The bottom end of the third electric push rod (5) is connected to the bracket (1).

8. The split mold for producing an electrical jacket as set forth in claim 7, wherein The bracket (1) has a large through hole (18) for accommodating the lifting beam (19).