Folding device for transformer insulation paper production

Through the design of the inner folding device and the pressing device, the problem of the inability to adjust the folding position in the prior art is solved, the adaptation and efficient processing of papers of different lengths are achieved, and the production efficiency of transformer insulated paper is improved.

CN223131539UActive Publication Date: 2025-07-22JIANGXI TENGRUI INSULATION MATERIAL CO LTD
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Patent Information

Application Number
CN202422258066.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-22
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing folding device for the production of insulated paper of transformers cannot adjust the folding position, resulting in the inability to adapt to paper of different lengths, and the degree of fit is low.

Method used

An internal folding device is designed, including a bottom frame, a limit slide, a stepper motor, a threaded rod, a threaded sleeve, a limit slide, a connecting bar, a scale bar, a load-bearing plate, a lifting triangle block, a heating rod, a connecting frame, a temperature detection sensor, a side-end connecting plate and a hydraulic telescopic rod. Through the coordinated work of these components, the precise folding of the paper is achieved, and a pressing device is equipped for multiple sets of processing.

Benefits of technology

The paper folding position is adjusted, adapted to paper of different lengths, improves the efficiency and adaptability of use, and can process multiple insulated paper at the same time, improving processing efficiency.

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Abstract

The utility model relates to the technical field of insulation paper production equipment, and discloses a folding device for transformer insulation paper production, which comprises a working table, a processing box piece is arranged at the top of the working table, and an inner folding device is arranged in the processing box piece. The inner folding device comprises a bottom end frame, a limiting sliding base, a stepping motor, a threaded rod, a threaded sleeve, a limiting sliding block, a connecting strip plate, a scale strip, a bearing plate, a jacking triangular block, a heating rod, a connecting frame, a temperature detection sensor, a side end connecting plate, a first hydraulic telescopic rod and a bottom plate piece. According to the folding device for transformer insulation paper production, the inner folding device is arranged, a driving device can drive a jacking triangular block and a heating rod to slide, a first hydraulic telescopic rod can be started to make the heating rod make contact with the bottom of paper before jacking, folding is convenient after preheating is conducted, the device can jack up the paper, and the paper can be conveniently folded; the device is provided with an assembly capable of adjusting folding point positions, and the folding position can be adjusted to adapt to folding of paper with different lengths.
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Description

Technical Field

[0001] The utility model relates to the technical field of insulating paper production equipment, in particular to a folding device for producing transformer insulating paper. Background Technique

[0002] Insulating paper is the general term for electrical insulating paper and is used as an insulating material for various electrical equipment such as transformers, cables, and coils. In addition to having good insulation performance and mechanical strength, each has its own characteristics. In order for the insulating paper to better adhere to the transformer, it is necessary to fold the insulating paper in multiple layers.

[0003] The prior art discloses a folding device for producing transformer insulating paper with the publication number: CN213830594U, which includes a fixed base, a folding mechanism, and a positioning mechanism. Rollers are provided on the four sides of the lower end surface of the fixed base, support columns are provided on the four sides of the upper end surface of the fixed base, a mounting seat is provided at the upper end of the support column, support plates are provided on both sides of the upper end surface of the mounting seat, a fixing plate is provided on the upper end surface of the support plate, and a hydraulic telescopic rod is provided on the lower end surface of the fixing plate. The folding mechanism is provided on the upper end of the fixed base. The above device has a simple structure, reasonable design, and convenient operation. It can quickly and effectively heat and soften the insulating paper for folding, and can effectively cool and shape the folded insulating paper, improve the folding effect, prevent the insulating paper from deforming after folding, and at the same time, it is convenient to fix the insulating paper during folding, reduce the workload of the staff, and improve the processing efficiency.

[0004] Through the action of the folding mechanism, the above device can quickly and effectively heat and soften the insulating paper for folding, and can effectively cool and shape the folded insulating paper, improve the folding effect, and prevent the insulating paper from deforming after folding. However, the folding position of the above device cannot be changed during folding. Once the insulating paper is placed and fixed, the folding position cannot be adjusted. The fixed folding position cannot adapt to the folding of papers with different lengths, and the adaptability is low, resulting in poor use effects, so it needs to be improved. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a folding device for producing transformer insulating paper to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A folding device for producing transformer insulating paper includes a workbench, a processing box part is arranged on the top of the workbench, an inner folding device is arranged inside the processing box part, and a pressing device is arranged on the surface of the inner folding device.

[0007] The inner folding device includes a bottom frame, a limit sliding seat, a stepping motor, a threaded rod, a threaded sleeve, a limit slider, a connecting strip plate, a scale bar, a bearing plate, a jacking triangular block, a heating rod, a connecting frame, a temperature detection sensor, a side-end connecting plate, a first hydraulic telescopic rod and a bottom plate member. The bottom frame is fixedly connected to the inner bottom end of the processing box member. The limit sliding seat is fixedly connected to the inner wall of the bottom frame. The stepping motor is fixedly connected to the right side inside the limit sliding seat. The threaded rod is fixedly connected to the output shaft of the stepping motor. The threaded sleeve is threadedly connected to the surface of the threaded rod. The limit slider is fixedly connected to the left side of the threaded sleeve. The bottom plate member is fixedly connected to the front of the connecting strip plate. The first hydraulic telescopic rod is fixedly connected to the top of the bottom plate member. The side-end connecting plate is fixedly connected to the right side of the bearing plate. A paper placing groove is formed at the inner top end of the connecting frame, and a paper pressing clip is arranged inside the paper placing groove.

[0008] Preferably, the pressing device includes a connecting L-shaped frame, a second hydraulic telescopic rod and a pushing folding plate member. The connecting L-shaped frame is fixedly connected to the top of the connecting frame. The second hydraulic telescopic rod is fixedly connected to the inside of the connecting L-shaped frame. The pushing folding plate member is fixedly connected to the side of the second hydraulic telescopic rod.

[0009] Preferably, a through hole is formed inside the limit slider, and the diameter of the through hole is larger than that of the threaded rod. The setting of the through hole can enable the limit slider not to contact the threaded rod and can move normally without being blocked.

[0010] Preferably, the bearing plate is fixedly connected to the top of the first hydraulic telescopic rod. The jacking triangular block is fixedly connected to the top of the bearing plate. The heating rod is fixedly connected to the surface of the jacking triangular block.

[0011] Preferably, the temperature detection sensor is fixedly connected to the top of the side-end connecting plate. The connecting frame is fixedly connected to the top of the bottom frame. During heating, the temperature detection sensor is used to detect the temperature. When the preset value is reached, an alarm is given and the heating is stopped to avoid the insulation performance of the insulating paper being affected by heating and affecting the use.

[0012] Preferably, the number of the pressing devices is two groups, and the two groups of pressing devices are symmetrically distributed on the left and right sides of the top of the connecting frame. After the paper is gathered up, the second hydraulic telescopic rod can be started to drive the pushing folding plate member to move towards both sides of the paper for pressing and folding. The left and right two groups are arranged to press towards the center to achieve precise folding of the paper.

[0013] Preferably, the connecting strip plate is fixedly connected to the front of the limit slider. The scale bar is fixedly connected to the inner wall back surface of the bottom frame near the top.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] The folding device for producing transformer insulating paper is provided with an inner folding device. By using a driving device, the jacking triangular block and the heating rod can be driven to slide. Before jacking, the first hydraulic expansion rod can be started first to make the heating rod contact the bottom of the paper, and preheating is carried out first to facilitate folding. The device can jack up the paper, and the device is provided with a component that can adjust the folding point. The folding position can be adjusted to adapt to the folding of papers with different lengths, and the adaptability is high.

[0016] The folding device for producing transformer insulating paper is provided with a pressing device. After the paper is gathered, the second hydraulic expansion rod can be started to drive the pushing folding plate to move towards both sides of the paper for pressing and folding to complete the folding process. The setting of multiple processing components can process multiple insulating papers simultaneously, and the use efficiency is high. Brief Description of the Drawings

[0017] Figure 1 is the overall front view structural schematic diagram of the present utility model;

[0018] Figure 2 is the three-dimensional top view structural schematic diagram of the inner folding device and the pressing device of the present utility model;

[0019] Figure 3 is the present utility model Figure 2 the enlarged structural schematic diagram at position A in;

[0020] Figure 4 is the present utility model Figure 2 the enlarged structural schematic diagram at position B in.

[0021] In the figure: 1, workbench; 2, processing box part; 3, inner folding device; 301, bottom frame; 302, limit sliding seat; 303, stepping motor; 304, threaded rod; 305, threaded sleeve; 306, limit slider; 307, connecting strip board; 308, scale bar; 309, bearing plate; 310, jacking triangular block; 311, heating rod; 312, connecting frame; 313, temperature detection sensor; 314, side end connecting plate; 315, first hydraulic expansion rod; 4, pressing device; 401, connecting L-shaped frame; 402, second hydraulic expansion rod; 403, pushing folding plate. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4, the present utility model provides the following technical solutions:

[0024] A folding device for producing transformer insulating paper, comprising a workbench 1, a processing box member 2 is arranged on the top of the workbench 1, an inner folding device 3 is arranged inside the processing box member 2, and a pressing device 4 is arranged on the surface of the inner folding device 3.

[0025] The inner folding device 3 includes a bottom frame 301, a limit sliding seat 302, a stepping motor 303, a threaded rod 304, a threaded sleeve 305, a limit slider 306, a connecting strip plate 307, a scale bar 308, a bearing plate 309, a jacking triangular block 310, a heating rod 311, a connecting frame 312, a temperature detection sensor 313, a side end connecting plate 314, a first hydraulic telescopic rod 315 and a bottom plate member 316. The bottom frame 301 is fixedly connected to the inner bottom end of the processing box member 2, the limit sliding seat 302 is fixedly connected to the inner wall of the bottom frame 301, the stepping motor 303 is fixedly connected to the right side inside the limit sliding seat 302, the threaded rod 304 is fixedly connected to the output shaft of the stepping motor 303, the threaded sleeve 305 is threadedly connected to the surface of the threaded rod 304, the limit slider 306 is fixedly connected to the left side of the threaded sleeve 305, the bottom plate member 316 is fixedly connected to the front surface of the connecting strip plate 307, the first hydraulic telescopic rod 315 is fixedly connected to the top of the bottom plate member 316, the side end connecting plate 314 is fixedly connected to the right side of the bearing plate 309, a paper placing groove is opened at the inner top end of the connecting frame 312, and a paper pressing clip is arranged inside the paper placing groove. The connecting strip plate 307 is fixedly connected to the front surface of the limit slider 306, the scale bar 308 is fixedly connected to the inner wall back surface of the bottom frame 301 near the top end. A through hole is opened inside the limit slider 306, and the diameter of the through hole is larger than the diameter of the threaded rod 304. The setting of the through hole enables the limit slider 306 not to contact the threaded rod 304 and can move normally without being blocked. The bearing plate 309 is fixedly connected to the top of the first hydraulic telescopic rod 315, the jacking triangular block 310 is fixedly connected to the top of the bearing plate 309, the heating rod 311 is fixedly connected to the surface of the jacking triangular block 310, the temperature detection sensor 313 is fixedly connected to the top of the side end connecting plate 314, the connecting frame 312 is fixedly connected to the top of the bottom frame 301. When heating, the temperature detection sensor 313 is used for temperature detection. When the preset value is reached, an alarm is given and heating is stopped to avoid the insulation performance of the insulating paper being affected by heating and affecting its use.

[0026] The pressing device 4 includes a connecting L-shaped frame 401, a second hydraulic telescopic rod 402, and a pushing folding plate 403. The connecting L-shaped frame 401 is fixedly connected to the top of the connecting frame 312. The second hydraulic telescopic rod 402 is fixedly connected to the inside of the connecting L-shaped frame 401. The pushing folding plate 403 is fixedly connected to the side of the second hydraulic telescopic rod 402. The number of pressing devices 4 is two groups, and the two groups of pressing devices 4 are symmetrically distributed on the left and right sides of the top of the connecting frame 312. After the paper is gathered, the second hydraulic telescopic rod 402 can be activated to drive the pushing folding plate 403 to move towards both sides of the paper for pressing and folding. The left and right two groups are set to press towards the center to achieve precise folding of the paper.

[0027] During use, the paper to be folded is inserted into the paper placement groove at the inner top of the connecting frame 312 and then fixed using a paper pressing clip. Then, the positions of the jacking triangular block 310 and the heating rod 311 can be adjusted according to the folding position required. During use, the stepping motor 303 can be activated to drive the threaded rod 304 to rotate, causing the threaded sleeve 305 to slide along the surface of the threaded rod 304, driving the limit slider 306 to move horizontally synchronously, and adjusting the positions of the connecting strip plate 307 and the bearing plate 309. Since the jacking triangular block 310 and the heating rod 311 are located on the top of the bearing plate 309, they move accordingly and stop at the position to be folded. Then, the first hydraulic telescopic rod 315 can be activated to push the bearing plate 309 upward to jack up the paper. Before jacking up, the first hydraulic telescopic rod 315 can be activated first to make the heating rod 311 contact the bottom of the paper for preheating, which is convenient for folding. During heating, the temperature detection sensor 313 is used for temperature detection. When the preset value is reached, an alarm is given and the heating stops. The device can jack up the paper and then cooperate with the pressing device 4 to complete the folding. Moreover, the device is provided with a component that can adjust the folding point position. The adjustable folding position can adapt to the folding of papers of different lengths, with a high adaptability. After the paper is gathered, the second hydraulic telescopic rod 402 can be activated to drive the pushing folding plate 403 to move towards both sides of the paper for pressing and folding to complete the folding process. The setting of multiple processing components can process multiple insulating papers simultaneously, with a high use efficiency.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to the embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A folding device for the production of transformer insulating paper, comprising a workbench (1), characterized in that: A processing box part (2) is arranged on the top of the workbench (1), an inner folding device (3) is arranged inside the processing box part (2), and a pressing device (4) is arranged on the surface of the inner folding device (3); The inner folding device (3) includes a bottom frame (301), a limit sliding seat (302), a stepping motor (303), a threaded rod (304), a threaded sleeve (305), a limit sliding block (306), a connecting strip plate (307), a scale bar (308), a bearing plate (309), a jacking triangular block (310), a heating rod (311), a connecting frame (312), a temperature detection sensor (313), a side end connecting plate (314), a first hydraulic telescopic rod (315) and a bottom plate part (316). The bottom frame (301) is fixedly connected to the inner bottom end of the processing box part (2), the limit sliding seat (302) is fixedly connected to the inner wall of the bottom frame (301), the stepping motor (303) is fixedly connected to the right side inside the limit sliding seat (302), the threaded rod (304) is fixedly connected to the output shaft of the stepping motor (303), the threaded sleeve (305) is threadedly connected to the surface of the threaded rod (304), the limit sliding block (306) is fixedly connected to the left side of the threaded sleeve (305), the bottom plate part (316) is fixedly connected to the front surface of the connecting strip plate (307), the first hydraulic telescopic rod (315) is fixedly connected to the top of the bottom plate part (316), the side end connecting plate (314) is fixedly connected to the right side of the bearing plate (309), and a paper placing groove is formed at the inner top end of the connecting frame (312), and a paper pressing clip is arranged inside the paper placing groove.

2. The folding device for producing transformer insulating paper according to claim 1, characterized in that: The pressing device (4) includes a connecting L-shaped frame (401), a second hydraulic telescopic rod (402) and a pushing folding plate part (403). The connecting L-shaped frame (401) is fixedly connected to the top of the connecting frame (312), the second hydraulic telescopic rod (402) is fixedly connected to the inside of the connecting L-shaped frame (401), and the pushing folding plate part (403) is fixedly connected to the side surface of the second hydraulic telescopic rod (402).

3. A folding device for producing transformer insulating paper according to claim 1, characterized in that: A through hole is formed inside the limit sliding block (306), and the diameter of the through hole is larger than the diameter of the threaded rod (304).

4. A folding device for producing transformer insulating paper according to claim 1, characterized in that: The bearing plate (309) is fixedly connected to the top of the first hydraulic telescopic rod (315), the jacking triangular block (310) is fixedly connected to the top of the bearing plate (309), and the heating rod (311) is fixedly connected to the surface of the jacking triangular block (310).

5. The folding device for producing transformer insulating paper according to claim 1, wherein: The temperature detection sensor (313) is fixedly connected to the top of the side end connecting plate (314), and the connecting frame (312) is fixedly connected to the top of the bottom frame (301).

6. The folding device for producing transformer insulating paper according to claim 2, wherein: The number of the pressing devices (4) is two groups, and the two groups of pressing devices (4) are symmetrically distributed on the left and right sides of the top of the connecting frame (312).

7. The folding device for producing transformer insulating paper according to claim 1, characterized in that: The connecting strip plate (307) is fixedly connected to the front surface of the limit sliding block (306), and the scale bar (308) is fixedly connected to the inner wall back surface of the bottom frame (301) near the top end.

Citation Information

Patent Citations

  • Folding device for transformer insulation paper production

    CN213830594U