Production technology of three-dimensional wound core transformer clamps
By adopting the production process of splicing structure and replacing the traditional welding process, the problems of structural deformation and low production efficiency caused by welding are solved, and efficient production of three-dimensional coil core transformer clamps are achieved.
Patent Information
- Application Number
- CN202211158277.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-22
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2042-09-22
AI Technical Summary
In the production of existing three-dimensional coil core transformer clamps, the welding process leads to structural deformation, uneven stress and low production efficiency.
The upper and lower clamps are produced by using splicing structures through plate production, assembly, vacuum paint immersion, curing treatment and assembly steps, replacing the traditional welding process.
The production efficiency of the three-dimensional coiled core transformer clamp is improved, and workers spend time on assembly is reduced, and structural deformation and stress unevenness caused by welding is avoided.
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Figure CN115497710B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of transformers, and in particular to a production process of a three-dimensional wound core transformer clamp. Background Art
[0002] The multiple components of the three-dimensional wound core transformer clamp are usually connected by welding. However, welding will inevitably produce certain welding deformation and welding stress in the structure, affecting the bearing capacity, processing accuracy and dimensional stability of the structure. At the same time, the welding process takes too long, resulting in low production efficiency of the three-dimensional wound core transformer clamp. Summary of the invention
[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a production process for a three-dimensional wound core transformer clamp that can improve the production efficiency of the three-dimensional wound core transformer clamp.
[0004] According to the production process of the three-dimensional wound core transformer clamp of the embodiment of the present invention, the three-dimensional wound core transformer clamp includes an upper clamp, a lower clamp and a plurality of tension screws, and the production process of the three-dimensional wound core transformer clamp includes a plate production step, an upper clamp production step, a lower clamp assembly step, a vacuum dipping step, a curing treatment step and an assembly step. The plate production step is to produce a plurality of upper plates and a plurality of lower plates that meet the requirements according to the requirements of the drawings, and the plurality of upper plates all have a first splicing structure, and the plurality of lower plates all have a second splicing structure; the upper clamp The assembling step is to assemble the plurality of upper plates by means of the first splicing structure to obtain the upper clamp; the lower clamp assembling step is to assemble the plurality of lower plates by means of the second splicing structure to obtain the lower clamp; the vacuum dipping step is to perform vacuum dipping of the upper clamp and the lower clamp; the curing step is to perform curing of the upper clamp and the lower clamp; the assembly step is to pass the plurality of tensioning screws through the upper clamp and the lower clamp, and enable the tensioning screws to adjust the distance between the upper clamp and the lower clamp.
[0005] The production process of the three-dimensional wound core transformer clamp according to the embodiment of the present invention has at least the following beneficial effects: in the production process of the three-dimensional wound core transformer clamp, multiple upper plates are assembled to each other through a first splicing structure to obtain an upper clamp, and multiple lower plates are assembled to each other through a second splicing structure to obtain a lower clamp. The time spent by workers on assembly is much less than the time spent by workers on welding, thereby improving the production efficiency of the three-dimensional wound core transformer clamp.
[0006] According to an embodiment of the present invention, the upper plate includes a first enclosure and a first connecting assembly, the lower plate includes a second enclosure and a second connecting assembly, and the plate production step uses a cutting device, a grinding device and a drilling device, and the plate production step includes:
[0007] Prepare insulation sheets of corresponding thickness;
[0008] Placing the insulating sheet on the cutting device, and cutting out a plurality of the first enclosures, a plurality of the first connecting components, a plurality of the second enclosures, and a plurality of the second connecting components according to the requirements of the drawing;
[0009] Grinding the first enclosure, the first connecting assembly, the second enclosure, and the second connecting assembly by means of the grinding device;
[0010] The first enclosure, the first connecting assembly, the second enclosure and the second connecting assembly are drilled by the drilling equipment.
[0011] According to one embodiment of the present invention, the upper clamp assembly step includes a first enclosure assembly step and a first connection component assembly step.
[0012] According to an embodiment of the present invention, the first splicing structure of the first enclosure includes a first mortise and tenon structure arranged at both ends in the length direction thereof, the first enclosure assembly step adopts a first assembly device, the first assembly device includes a first device platform, a plurality of first driving members, a plurality of guide rails and a plurality of mold supports, the plurality of guide rails are radially arranged on the first device platform, and the guide rails have a starting end and a launching end, the plurality of mold supports correspond one-to-one with the plurality of guide rails, and the mold supports are slidably connected to the guide rails, the plurality of first driving members correspond one-to-one with the plurality of mold supports, and the first driving member is drivingly connected to the mold supports, and the first enclosure assembly step includes:
[0013] The plurality of first driving members drive the corresponding die supports, so that the plurality of die supports all slide to the emission end of the guide rail connected thereto;
[0014] Connecting the first plurality of panels to the mold supports one by one in sequence;
[0015] The plurality of first driving members drive the corresponding mold supports, so that the plurality of mold supports move toward the direction close to the starting end until the first mortise and tenon structures of the adjacent first enclosure panels cooperate with each other;
[0016] The mold support holds the first enclosure plate under pressure for 4 to 6 seconds to obtain a first assembly part;
[0017] Take out the first assembly piece.
[0018] According to an embodiment of the present invention, the first connection component includes a first connection member and a second connection member, the first splicing structure of the first connection member is a first plug-in portion, the first splicing structure of the second connection member is a second plug-in portion, the first splicing structure of the first enclosure also includes a first plug interface, the first connection component assembly step uses a second assembly device, the second assembly device includes a second device platform, a baffle, a first movable plate and a second driving member, the baffle is arranged on the second device platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member and can approach or move away from the baffle, and the first connection component assembly step includes:
[0019] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0020] Placing the first assembly piece on the second equipment platform and between the baffle plate and the first movable plate, and making one side of the first assembly piece abut against the baffle plate;
[0021] Fixing the first connecting member on a side of the first assembling member close to the first movable plate;
[0022] The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the first plug-in portion of the first connecting member to be completely inserted into the first plug-in port of the first enclosure plate;
[0023] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0024] Rotate the first assembly piece so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the first assembly piece is in contact with the baffle;
[0025] Fixing the second connecting member on a side of the first assembling member close to the first movable plate;
[0026] The second driving member drives the first movable plate to move toward the baffle plate, so as to push the second plug-in portion of the second connecting member to be completely inserted into the first plug-in port of the first enclosure plate;
[0027] Repeat the above steps until all the first enclosure panels are installed with the first connecting member or the second connecting member.
[0028] According to one embodiment of the present invention, the lower clamp assembly step includes a second enclosure assembly step and a second connection component assembly step.
[0029] According to an embodiment of the present invention, the second splicing structure of the second enclosure includes a second mortise and tenon structure arranged at both ends in the length direction thereof, the second enclosure assembly step adopts a first assembly device, the first assembly device includes a first device platform, a plurality of first driving members, a plurality of guide rails and a plurality of mold supports, the plurality of guide rails are radially arranged on the first device platform, and the guide rails have a starting end and a launching end, the plurality of mold supports correspond one-to-one with the plurality of guide rails, and the mold supports are slidably connected to the guide rails, the plurality of first driving members correspond one-to-one with the plurality of mold supports, and the first driving member is drivingly connected to the mold supports, and the second enclosure assembly step includes:
[0030] The plurality of first driving members drive the corresponding die supports, so that the plurality of die supports all slide to the emission end of the guide rail connected thereto;
[0031] Connecting the plurality of the second enclosure panels to the plurality of the mold supports in sequence in a one-to-one correspondence;
[0032] The plurality of first driving members drive the corresponding mold supports, so that the plurality of mold supports move toward the direction close to the starting end until the second mortise and tenon structures of the adjacent second enclosure panels cooperate with each other;
[0033] The mold support holds the second enclosure plate under pressure for 4 to 6 seconds to obtain a second assembly part;
[0034] Take out the second assembly piece.
[0035] According to an embodiment of the present invention, the second connecting component includes a third connecting member and a fourth connecting member, the second splicing structure of the third connecting member is a third plug-in portion, the second splicing structure of the second enclosure also includes a second plug-in interface, the second connecting component assembly step uses a second assembly device, the second assembly device includes a second device platform, a baffle, a first movable plate and a second driving member, the baffle is arranged on the second device platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member and can approach or move away from the baffle, and the second connecting component assembly step includes:
[0036] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0037] Placing the second assembly piece on the second equipment platform and between the baffle plate and the first movable plate, and making one side of the second assembly piece abut against the baffle plate;
[0038] Fixing the third connecting member on a side of the second assembling member close to the first movable plate;
[0039] The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the third plugging portion of the third connecting member to be completely inserted into the second plugging port of the second enclosure plate;
[0040] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0041] Rotate the second assembly piece so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the second assembly piece is in contact with the baffle;
[0042] Fixing the fourth connecting member on a side of the second assembling member close to the first movable plate;
[0043] The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the fourth plug-in portion of the fourth connecting member to be completely inserted into the second plug-in port of the second enclosure plate;
[0044] Repeat the above steps until all the second enclosure panels are installed with the third connecting member or the fourth connecting member.
[0045] According to one embodiment of the present invention, the vacuum dipping step adopts a vacuum pressure dipping tank, which includes a pressure control device, a vacuum pump, a paint storage tank and a dipping tank body. The pressure control device, the vacuum pump and the paint storage tank are all connected to the dipping tank body, and a paint delivery valve is provided between the paint storage tank and the dipping tank body. The vacuum dipping step includes:
[0046] The upper clamp and the lower clamp are hoisted into the impregnation tank body, and the vacuum pump is turned on to evacuate the impregnation tank body until the vacuum degree in the impregnation tank body reaches 200 to 300 Pa;
[0047] Turn off the vacuum pump and wait for 20 to 30 minutes;
[0048] Open the paint delivery valve to input the electrical insulating impregnating paint in the paint storage tank into the impregnation tank body until the upper clamp and the lower clamp are completely immersed in the electrical insulating impregnating paint;
[0049] Close the paint delivery valve and wait for 20 to 30 minutes;
[0050] The pressure control device pressurizes the impregnation tank body at a pressure of 0.3 to 0.5 MPa for 30 to 40 minutes;
[0051] The pressure control device releases the pressure of the immersion tank body for the first time, causing the pressure of the immersion tank body to drop by 0.15 MPa;
[0052] Performing a paint dripping process on the upper clamp and the lower clamp in the dipping tank, the paint dripping time being 18 to 22 minutes;
[0053] The pressure control device completely relieves the pressure of the impregnation tank body and lifts out the upper clamp and the lower clamp.
[0054] According to an embodiment of the present invention, the curing process step uses a curing drying oven, and the curing drying oven has a heating switch. The curing process step includes:
[0055] Before the upper clamp and the lower clamp are lifted out of the impregnation tank, the curing drying oven is preheated;
[0056] After the upper clamp and the lower clamp are lifted out of the impregnation tank, the upper clamp and the lower clamp are placed in the curing drying box;
[0057] Turn on the heating switch to raise the temperature in the curing drying oven to 125 to 135° C.;
[0058] Perform heat preservation treatment for 3 to 4 hours;
[0059] After the insulation is finished, turn off the heating switch;
[0060] When the temperature in the curing drying oven drops below 70 to 80° C., the power supply of the curing drying oven is cut off, and the upper clamp and the lower clamp are taken out.
[0061] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0062] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:
[0063] Figure 1 A flow chart of a production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0064] Figure 2 A schematic diagram of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0065] Figure 3 A flow chart of the plate production steps of a production process for a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0066] Figure 4 A top view of a first assembly device used in a production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0067] Figure 5 A top view of a first assembly device used in a production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention after a first enclosure is installed;
[0068] Figure 6 It is a flow chart of the first enclosure assembly step of the production process of the three-dimensional wound core transformer clamp according to one embodiment of the present invention;
[0069] Figure 7 A flow chart of the upper reinforcing plate assembly steps of a production process for a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0070] Figure 8 It is a flow chart of the first connection component assembly step of the production process of the three-dimensional wound core transformer clamp according to one embodiment of the present invention;
[0071] Fig. 9 A flow chart of the second enclosure assembly step of a production process for a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0072] Fig.10 A flowchart of the lower reinforcing plate assembly steps of a production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0073] Fig.11 A flowchart of the second connection component assembly steps of the production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0074] Fig.12 A flowchart of the supporting component assembly steps of the production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0075] Fig.13 A flow chart of the vacuum varnishing steps of the production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention;
[0076] Fig.14 The present invention is a flow chart of the curing process steps of the production process of a three-dimensional wound core transformer clamp according to an embodiment of the present invention.
[0077] Reference numerals:
[0078] Three-dimensional wound core transformer clamp 1000;
[0079] Upper clamp 100; first enclosure 110; first mortise and tenon structure 111; first connecting member 120; second connecting member 130; upper reinforcing plate 140;
[0080] Lower clamp 200; second enclosure 210; second mortise and tenon structure 211; connection groove 212; third connection member 220; fourth connection member 230; lower reinforcing plate 240; support member 250; connection plate 260; bottom plate 270; connection block 271;
[0081] Tightening screw 300;
[0082] First assembly equipment 2000;
[0083] First device platform 400;
[0084] A first driving member 500;
[0085] Guide rail 600; starting end 610; launching end 620;
[0086] Mould support 700. DETAILED DESCRIPTION
[0087] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0088] In the description of the present invention, it is necessary to understand that descriptions involving orientations, such as up, down, inside, outside, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0089] In the description of the present invention, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0090] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0091] As we all know, the multiple component structures of the three-dimensional wound core transformer clamp are usually connected by welding. However, welding will inevitably produce certain welding deformation and welding stress in the structure, affecting the bearing capacity, processing accuracy and dimensional stability of the structure. At the same time, the welding process takes too long, resulting in low production efficiency of the three-dimensional wound core transformer clamp.
[0092] To this end, an embodiment of the present invention provides a production process for a three-dimensional wound core transformer clamp 1000, which is specifically referred to in the accompanying drawings of the specification. Figures 1 to 14 shown.
[0093] Reference Figure 2 As shown, the production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention includes an upper clamp 100, a lower clamp 200 and a plurality of tensioning screws 300. The production process of the three-dimensional wound core transformer clamp 1000 includes a plate production step, an upper clamp production step, a lower clamp assembly step, a vacuum varnishing step, a curing treatment step and an assembly step. Figure 1 As shown:
[0094] Plate production steps: according to the requirements of the drawings, a plurality of upper plates and a plurality of lower plates that meet the requirements are produced, wherein the plurality of upper plates all have a first splicing structure, and the plurality of lower plates all have a second splicing structure;
[0095] Upper clamp assembly step: assembling a plurality of upper plates with each other through a first splicing structure to obtain an upper clamp 100;
[0096] Lower clamp assembly step: assembling a plurality of lower plates with each other through a second splicing structure to obtain a lower clamp 200;
[0097] Vacuum dipping step: vacuum dipping the upper clamp 100 and the lower clamp 200;
[0098] Curing treatment step: curing the upper clamp 100 and the lower clamp 200;
[0099] Assembly step: insert a plurality of tensioning screws 300 through the upper clamping member 100 and the lower clamping member 200 , and enable the tensioning screws 300 to adjust the distance between the upper clamping member 100 and the lower clamping member 200 .
[0100] It is understandable that in the production process of the three-dimensional wound core transformer clamp 100, a plurality of upper plates are assembled with each other through a first splicing structure to obtain the upper clamp 100, and a plurality of lower plates are assembled with each other through a second splicing structure to obtain the lower clamp 200. Compared with the traditional production method, the time spent by workers on assembly is much less than the time spent by workers on welding, thereby improving the production efficiency of the three-dimensional wound core transformer clamp 1000.
[0101] Reference Figure 2 As shown, the production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, the upper plate includes a first enclosure 110 and a first connecting component, the lower plate includes a second enclosure 210 and a second connecting component, and the plate production steps use a cutting device, a grinding device, a drilling device and a tapping device, refer to Figure 3 As shown, the board production steps include:
[0102] Prepare insulation sheets of corresponding thickness;
[0103] Place the insulating sheet on the cutting device, and cut out a plurality of first enclosures 110, a plurality of first connection components, a plurality of second enclosures 210, and a plurality of second connection components according to the requirements of the drawing;
[0104] The first enclosure 110, the first connection assembly, the second enclosure 210 and the second connection assembly are polished by a polishing device;
[0105] The first enclosure 110, the first connection assembly, the second enclosure 210 and the second connection assembly are drilled by means of drilling equipment.
[0106] The first enclosure panel 110 and the second enclosure panel 210 are tapped by a tapping device.
[0107] It should be noted that the grinding device can be a grinder, a handheld grinder, etc., and is not specifically limited here.
[0108] In a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, an upper clamp assembly step includes a first enclosure assembly step and a first connection component assembly step.
[0109] Reference Figure 4 and Figure 5 As shown, a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, the first splicing structure of the first enclosure 110 includes a first mortise and tenon structure 111 provided at both ends in the length direction thereof, the first enclosure assembly step adopts a first assembly device 2000, the first assembly device 2000 includes a first equipment platform 400, a plurality of first driving members 500, a plurality of guide rails 600 and a plurality of mold supports 700, it should be noted that the first driving member 500 may be a cylinder or the like. The plurality of guide rails 600 are radially arranged on the first equipment platform 400, and the guide rails 600 have a starting end 610 and a launching end 620, the plurality of mold supports 700 correspond one-to-one to the plurality of guide rails 600, and the mold supports 700 are slidably connected to the guide rails 600, the plurality of first driving members 500 correspond one-to-one to the plurality of mold supports 700, and the first driving members 500 are drivingly connected to the mold supports 700, refer to Figure 6 As shown, the first panel assembly steps include:
[0110] The plurality of first driving members 500 drive the corresponding mold supports 700 so that the plurality of mold supports 700 all slide to the emission end 620 of the guide rail 600 connected thereto;
[0111] The plurality of first enclosure panels 110 are sequentially connected to the plurality of mold supports 700 in a one-to-one correspondence;
[0112] The plurality of first driving members 500 drive the corresponding mold supports 700 to move the plurality of mold supports 700 toward the starting end 610 until the first mortise and tenon structures 111 of the adjacent first enclosure panels 110 are matched with each other;
[0113] The mold support 700 maintains pressure on the first enclosure 110 for 4 to 6 seconds to obtain a first assembly part;
[0114] Take out the first assembly piece.
[0115] It should be noted that the upper plate also includes an upper reinforcing plate 140. After the first assembly is completed, the upper reinforcing plate assembly step can also be performed. It should be noted that the upper reinforcing plate 140 also undergoes cutting and grinding processes. The first splicing structure of the upper reinforcing plate 140 is a fifth plug-in portion (not shown in the figure), and the first splicing structure of the first enclosure 110 also includes a first plug-in groove (not shown in the figure).
[0116] It should be noted that the upper reinforcement plate assembly step uses a third assembly device (not shown in the figure), which includes a third device platform, a third driving member and a second movable plate. It should be noted that the third driving member can be a cylinder, etc. The second movable plate is arranged above the third device platform and is connected to the third driving member. The third driving member can drive the second movable plate to move closer to or away from the third device platform. Figure 7 As shown, the upper reinforcement plate assembly steps include:
[0117] The third driving member drives the second movable plate to move in a direction away from the equipment platform;
[0118] Place the first assembly piece on the third equipment platform with the opening of the first plug-in slot facing upwards;
[0119] Fixing the upper reinforcing plate 140 in the first plug-in slot;
[0120] The third driving member drives the second movable plate to move toward the direction close to the equipment platform, so as to push the fifth plug-in portion of the upper reinforcing plate 140 to be completely inserted into the first plug-in slot;
[0121] The third driving member drives the second movable plate to move in a direction away from the equipment platform to take out the first assembling member.
[0122] Reference Figure 2As shown, a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, the first connecting component includes a first connecting member 120 and a second connecting member 130, the first splicing structure of the first connecting member 120 is a first plug-in portion (not shown in the figure), the first splicing structure of the second connecting member 130 is a second plug-in portion (not shown in the figure), the first splicing structure of the first enclosure 110 also includes a first plug interface (not shown in the figure), the first connecting component assembly step adopts a second assembly device, the second assembly device includes a second equipment platform, a baffle, a first movable plate and a second driving member, it should be noted that the second driving member can be a cylinder, etc. The baffle is arranged on the second equipment platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member, and can approach or move away in the direction of the baffle, refer to Figure 8 As shown, the first connection component assembly steps include:
[0123] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0124] Placing the first assembly piece on the second equipment platform and between the baffle plate and the first movable plate, and making one side of the first assembly piece abut against the baffle plate;
[0125] A first connecting member 120 is fixed on a side of the first assembly member close to the first movable plate;
[0126] The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the first plug-in portion of the first connecting member 120 to be completely inserted into the first plug-in port of the first enclosure 110;
[0127] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0128] Rotate the first assembly part so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the first assembly part is in contact with the baffle;
[0129] A second connecting member 130 is fixed on a side of the first assembly member close to the first movable plate;
[0130] The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the second plug-in portion of the second connecting member 130 to be completely inserted into the first plug-in port of the first enclosure 110;
[0131] The above steps are repeated until all the first enclosure panels 110 are installed with the first connecting members 120 or the second connecting members 130 .
[0132] In one embodiment, the first connector 120 is provided with a third plug-in slot, and after the first plug-in portion of the first connector 120 is fully inserted into the first plug-in interface of the first enclosure 110, one third plug-in slot is matched with one upper reinforcing plate 140. At the same time, it should be noted that the first connector 120 extends to the inner side of the first enclosure 110. In one embodiment, the second connector 130 is provided with a fourth plug-in slot, and after the second plug-in portion of the second connector 130 is fully inserted into the first plug-in interface of the first enclosure 110, one fourth plug-in slot is matched with one upper reinforcing plate 140. At the same time, it should be noted that the second connector 130 extends to the outer side of the first enclosure 110.
[0133] In a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, a lower clamp assembly step includes a second enclosure assembly step and a second connection component assembly step.
[0134] A production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, the second splicing structure of the second enclosure 210 includes a second mortise and tenon structure 211 arranged at both ends of the length direction thereof, the second enclosure assembly step adopts a first assembly device 2000, the first assembly device 2000 includes a first device platform 400, a plurality of first driving members 500, a plurality of guide rails 600 and a plurality of mold supports 700, the plurality of guide rails 600 are radially arranged on the first device platform 400, and the guide rails 600 have a starting end 610 and a launching end 620, the plurality of mold supports 700 correspond one-to-one to the plurality of guide rails 600, and the mold supports 700 are slidably connected to the guide rails 600, the plurality of first driving members 500 correspond one-to-one to the plurality of mold supports 700, and the first driving members 500 are drivingly connected to the mold supports 700, refer to Fig. 9 As shown, the second panel assembly steps include:
[0135] The plurality of first driving members 500 drive the corresponding mold supports 700 so that the plurality of mold supports 700 all slide to the emission end 620 of the guide rail 600 connected thereto;
[0136] The plurality of second enclosure panels 210 are sequentially connected to the plurality of mold supports 700 in a one-to-one correspondence;
[0137] The plurality of first driving members 500 drive the corresponding mold supports 700 to move the plurality of mold supports 700 toward the starting end 610 until the second mortise and tenon structures 211 of the adjacent second enclosure panels 210 are matched with each other;
[0138] The mold support 700 maintains pressure on the second enclosure 210 for 4 to 6 seconds to obtain a second assembly part;
[0139] Take out the second assembly piece.
[0140] It should be noted that the lower plate also includes a lower reinforcing plate 240. After the second assembly is completed, the lower reinforcing plate assembly step can also be performed. It should be noted that the lower reinforcing plate 240 also undergoes cutting and grinding processes. The second splicing structure of the lower reinforcing plate 240 is a sixth plug-in portion (not shown in the figure), and the first splicing structure of the first enclosure 110 also includes a second plug-in slot (not shown in the figure).
[0141] It should be noted that the lower reinforcement plate assembly step also uses the third assembly equipment, refer to Fig.10 As shown, the assembly steps of the lower reinforcement plate include:
[0142] The third driving member drives the second movable plate to move in a direction away from the equipment platform;
[0143] Place the second assembly piece on the third equipment platform with the opening of the second plug-in slot facing upwards;
[0144] Fixing the lower reinforcing plate 240 in the second insertion slot;
[0145] The third driving member drives the second movable plate to move toward the direction close to the equipment platform, so as to push the sixth plug-in portion of the lower reinforcing plate 240 to be completely inserted into the second plug-in slot;
[0146] The third driving member drives the second movable plate to move in a direction away from the equipment platform to take out the second assembling member.
[0147] Reference Figure 2 As shown, a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, the second connecting component includes a third connecting member 220 and a fourth connecting member 230, the second splicing structure of the third connecting member 220 is a third plug-in portion, the second splicing structure of the second enclosure 210 also includes a second plug-in interface, the second connecting component assembly step adopts a second assembly device, the second assembly device includes a second equipment platform, a baffle, a first movable plate and a second driving member, the baffle is arranged on the second equipment platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member, and can approach or move away from the baffle, refer to Fig.11 As shown, the second connection component assembly steps include:
[0148] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0149] Placing the second assembly piece on the second equipment platform between the baffle plate and the first movable plate, and making one side of the second assembly piece abut against the baffle plate;
[0150] A third connecting member 220 is fixed on a side of the second assembly member close to the first movable plate;
[0151] The second driving member drives the first movable plate to move toward the baffle plate, so as to push the third plugging portion of the third connecting member 220 to be completely inserted into the second plugging port of the second enclosure 210;
[0152] The second driving member drives the first movable plate to move in a direction away from the baffle;
[0153] Rotate the second assembly piece so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the second assembly piece is in contact with the baffle;
[0154] A fourth connecting member 230 is fixed on a side of the second assembly member close to the first movable plate;
[0155] The second driving member drives the first movable plate to move toward the baffle plate, so as to push the fourth plugging portion of the fourth connecting member 230 to be completely inserted into the second plugging port of the second enclosure 210;
[0156] Repeat the above steps until all the second enclosure panels 210 are installed with the third connecting member 220 or the fourth connecting member 230 .
[0157] In one embodiment, the third connector 220 is provided with a fifth plug-in slot, the third plug-in portion of the third connector 220 is completely inserted into the second plug-in interface of the second enclosure 210, and one fifth plug-in slot is matched with one lower reinforcing plate 240. At the same time, it should be noted that the third connector 220 extends to the inner side of the second enclosure 210. In one embodiment, the fourth connector 230 is provided with a sixth plug-in slot, the fourth plug-in portion of the fourth connector 230 is completely inserted into the second plug-in interface of the second enclosure 210, and one sixth plug-in slot is matched with one lower reinforcing plate 240. At the same time, it should be noted that the fourth connector 230 extends to the outer side of the second enclosure 210.
[0158] It should be noted that the lower clamp 200 also includes a support member 250, a connecting plate 260 and a bottom plate 270. The support member 250 is provided with a first card insertion portion (not shown in the figure) and a second card insertion portion (not shown in the figure) at opposite ends thereof. The connecting plate 260 is provided with a first card insertion port (not shown in the figure), and the bottom plate 270 is provided with a second card insertion port (not shown in the figure).
[0159] It should be noted that the lower clamp assembly step also includes a support assembly step, using the third assembly equipment, referring to Fig.12 As shown, the support member assembly steps include:
[0160] The third driving member drives the second movable plate to move in a direction away from the third equipment platform;
[0161] The support member 250 is placed on the third equipment platform, with the first card insertion portion facing upward and the second card insertion portion facing downward;
[0162] The connecting plate 260 is placed above the supporting member 250 , and the bottom plate 270 is placed below the supporting member 250 ;
[0163] The third driving member drives the second moving plate to move toward the direction close to the third equipment platform, so that the first card insertion part is completely inserted into the first card insertion port, and the second card insertion part is completely inserted into the second card insertion port.
[0164] It should be noted that the bottom plate 270 is provided with a connecting block 271 , and the lower portion of the second enclosure 210 is provided with a connecting groove 212 , and the connecting block 271 is matched with the connecting groove 212 , so that the bottom plate 270 and the second enclosure 210 are assembled.
[0165] In a production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, a vacuum dipping step adopts a vacuum pressure dipping tank (not shown in the figure), the vacuum pressure dipping tank includes a pressure control device, a vacuum pump, a paint storage tank and a dipping tank body, the pressure control device, the vacuum pump and the paint storage tank are all connected to the dipping tank body, and a paint delivery valve is provided between the paint storage tank and the dipping tank body, Fig.13 As shown, the vacuum dipping step includes:
[0166] The upper clamp 100 and the lower clamp 200 are hoisted into the impregnation tank body, and the vacuum pump is turned on to evacuate the impregnation tank body until the vacuum degree in the impregnation tank body reaches 200 to 300 Pa;
[0167] Turn off the vacuum pump and wait 20 to 30 minutes;
[0168] Open the paint delivery valve to input the electrical insulation impregnation paint in the paint storage tank into the impregnation tank body until the upper clamp 100 and the lower clamp 200 are completely immersed in the electrical insulation impregnation paint;
[0169] Close the paint delivery valve and wait for 20 to 30 minutes;
[0170] The pressure control device pressurizes the impregnation tank body at a pressure of 0.3 to 0.5 MPa for 30 to 40 minutes;
[0171] The pressure control device releases the pressure of the immersion tank for the first time, causing the pressure of the immersion tank to drop by 0.15MPa;
[0172] The upper clamp 100 and the lower clamp 200 are subjected to a paint dripping treatment in the dipping tank, and the paint dripping time is 18 to 22 minutes;
[0173] The pressure control device completely relieves the pressure of the impregnation tank body and lifts out the upper clamp 100 and the lower clamp 200.
[0174] It should be noted that the purpose of turning on the vacuum pump to evacuate the impregnation tank is to remove as much small volatile molecules and air as possible after the upper clamp 100 and the lower clamp 200 are assembled, in preparation for the filling of the electrical insulation impregnation varnish.
[0175] It should be noted that the purpose of the pressure control device pressurizing the impregnation tank is to press the electrical insulating impregnation varnish into the gap of the upper clamp 100 or the gap of the lower clamp 200 to improve the penetration ability of the electrical insulating impregnation varnish.
[0176] In the production process of a three-dimensional wound core transformer clamp 1000 according to an embodiment of the present invention, a curing drying oven (not shown) is used in the curing treatment step. The curing drying oven has a heating switch. Fig.14 As shown, the curing process steps include:
[0177] Before the upper clamp 100 and the lower clamp 200 are lifted out of the impregnation tank, the curing drying oven is preheated;
[0178] After the upper clamp 100 and the lower clamp 200 are lifted out of the impregnation tank, the upper clamp 100 and the lower clamp 200 are placed in a curing drying oven;
[0179] Turn on the heating switch to raise the temperature in the curing drying oven to 125 to 135°C;
[0180] Perform heat preservation treatment for 3 to 4 hours;
[0181] After the insulation is finished, turn off the heating switch;
[0182] When the temperature in the curing drying oven drops below 70 to 80° C., the power supply of the curing drying oven is cut off, and the upper clamp 100 and the lower clamp 200 are taken out.
[0183] It is understandable that, through the above arrangement, the electrical insulating varnish on the surface of the upper clamp 100 and the lower clamp 200 is dried and solidified, so as to facilitate the subsequent assembly of the upper clamp 100, the tensioning screw 300 and the lower clamp 200.
[0184] It should be noted that after the curing treatment of the upper clamp 100 and the lower clamp 200 is completed, they are assembled with the tensioning screw 300. In the assembly step, the two ends of some tensioning screws 300 are respectively inserted into the first connection 120 and the third connection 220, and the two ends of the remaining tensioning screws 300 are respectively inserted into the second connection 130 and the fourth connection 230.
[0185] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A production process for a three-dimensional wound core transformer clamp, the three-dimensional wound core transformer clamp comprising an upper clamp, a lower clamp and a plurality of tensioning screws, characterized in that: The production process of the three-dimensional wound core transformer clamp comprises: A plate production step, according to the requirements of the drawings, producing a plurality of upper plates and a plurality of lower plates that meet the requirements, wherein the plurality of upper plates all have a first splicing structure, and the plurality of lower plates all have a second splicing structure; an upper clamp assembling step, assembling a plurality of the upper plates with each other through the first splicing structure to obtain the upper clamp; a lower clamping member assembling step, assembling a plurality of the lower plates mutually through the second splicing structure to obtain the lower clamping member; A vacuum dipping step of performing vacuum dipping of the upper clamp and the lower clamp; a curing treatment step of curing the upper clamp and the lower clamp; An assembly step, wherein a plurality of the tightening screws are inserted through the upper clamp and the lower clamp, and the tightening screws are capable of adjusting the distance between the upper clamp and the lower clamp; The upper plate includes a first enclosure and a first connecting assembly, the lower plate includes a second enclosure and a second connecting assembly, the first splicing structure of the first enclosure includes a first mortise and tenon structure arranged at both ends in the length direction thereof, the first enclosure assembly step adopts a first assembly device, the first assembly device includes a first device platform, a plurality of first driving members, a plurality of guide rails and a plurality of mold supports, the plurality of guide rails are radially arranged on the first device platform, and the guide rails have a starting end and a launching end, the plurality of mold supports correspond to the plurality of guide rails one by one, and the mold supports are slidably connected to the guide rails, the plurality of first driving members correspond to the plurality of mold supports one by one, and the first driving members are drivingly connected to the mold supports; The upper clamp assembly step includes a first enclosure assembly step and a first connection component assembly step; the first enclosure assembly step includes: The plurality of first driving members drive the corresponding die supports, so that the plurality of die supports all slide to the emission end of the guide rail connected thereto; Connecting the first plurality of panels to the mold supports one by one in sequence; The plurality of first driving members drive the corresponding mold supports, so that the plurality of mold supports move toward the direction close to the starting end until the first mortise and tenon structures of the adjacent first enclosure panels cooperate with each other; The mold support holds the first enclosure plate under pressure for 4 to 6 seconds to obtain a first assembly part; Take out the first assembly piece.
2. According to the production process of the three-dimensional wound core transformer clamp of claim 1, the plate production step uses cutting equipment, grinding equipment and drilling equipment, characterized in that: The board production steps include: Prepare insulation sheets of corresponding thickness; Placing the insulating sheet on the cutting device, and cutting out a plurality of the first enclosures, a plurality of the first connecting components, a plurality of the second enclosures, and a plurality of the second connecting components according to the requirements of the drawing; Grinding the first enclosure, the first connecting assembly, the second enclosure, and the second connecting assembly by means of the grinding device; The first enclosure, the first connecting assembly, the second enclosure and the second connecting assembly are drilled by the drilling equipment.
3. According to the production process of the three-dimensional wound core transformer clamp of claim 1, the first connecting component includes a first connecting member and a second connecting member, the first splicing structure of the first connecting member is a first plug-in portion, the first splicing structure of the second connecting member is a second plug-in portion, the first splicing structure of the first enclosure also includes a first plug interface, the first connecting component assembly step adopts a second assembly device, the second assembly device includes a second equipment platform, a baffle, a first movable plate and a second driving member, the baffle is arranged on the second equipment platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member and can approach or move away from the baffle, characterized in that The first connection component assembling step comprises: The second driving member drives the first movable plate to move in a direction away from the baffle; Placing the first assembly piece on the second equipment platform and between the baffle plate and the first movable plate, and making one side of the first assembly piece abut against the baffle plate; Fixing the first connecting member on a side of the first assembling member close to the first movable plate; The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the first plug-in portion of the first connecting member to be completely inserted into the first plug-in port of the first enclosure plate; The second driving member drives the first movable plate to move in a direction away from the baffle; Rotate the first assembly piece so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the first assembly piece is in contact with the baffle; Fixing the second connecting member on a side of the first assembling member close to the first movable plate; The second driving member drives the first movable plate to move toward the baffle plate, so as to push the second plug-in portion of the second connecting member to be completely inserted into the first plug-in port of the first enclosure plate; Repeat the above steps until all the first enclosure panels are installed with the first connecting member or the second connecting member.
4. The production process of the three-dimensional wound core transformer clamp according to claim 1 is characterized in that: The lower clamp assembly step includes a second enclosure assembly step and a second connection component assembly step.
5. According to the production process of the three-dimensional wound core transformer clamp according to claim 4, the second splicing structure of the second enclosure includes a second mortise and tenon structure arranged at both ends of the length direction thereof, the second enclosure assembly step adopts a first assembly device, the first assembly device includes a first equipment platform, a plurality of first driving members, a plurality of guide rails and a plurality of mold supports, the plurality of the guide rails are radially arranged on the first equipment platform, and the guide rails have a starting end and a launching end, the plurality of the mold supports correspond one-to-one with the plurality of the guide rails, and the mold supports are slidably connected to the guide rails, the plurality of the first driving members correspond one-to-one with the plurality of the mold supports, and the first driving members are drivingly connected to the mold supports, characterized in that The second panel assembly step comprises: The plurality of first driving members drive the corresponding die supports, so that the plurality of die supports all slide to the emission end of the guide rail connected thereto; Connecting the plurality of the second enclosure panels to the plurality of the mold supports in sequence in a one-to-one correspondence; The plurality of first driving members drive the corresponding mold supports, so that the plurality of mold supports move toward the direction close to the starting end until the second mortise and tenon structures of the adjacent second enclosure panels cooperate with each other; The mold support holds the second enclosure plate under pressure for 4 to 6 seconds to obtain a second assembly part; Take out the second assembly piece.
6. According to the production process of the three-dimensional wound core transformer clamp of claim 5, the second connecting component includes a third connecting member and a fourth connecting member, the second splicing structure of the third connecting member is a third plug-in portion, the second splicing structure of the second enclosure also includes a second plug-in interface, the second connecting component assembly step adopts a second assembly device, the second assembly device includes a second equipment platform, a baffle, a first movable plate and a second driving member, the baffle is arranged on the second equipment platform and is arranged opposite to the first movable plate, the first movable plate is drivingly connected to the second driving member and can approach or move away from the direction of the baffle, characterized in that The second connection assembly assembling step comprises: The second driving member drives the first movable plate to move in a direction away from the baffle; Placing the second assembly piece on the second equipment platform and between the baffle plate and the first movable plate, and making one side of the second assembly piece abut against the baffle plate; Fixing the third connecting member on a side of the second assembling member close to the first movable plate; The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the third plugging portion of the third connecting member to be completely inserted into the second plugging port of the second enclosure plate; The second driving member drives the first movable plate to move in a direction away from the baffle; Rotate the second assembly piece so that the side originally in contact with the baffle is separated from the baffle, and the side adjacent to the second assembly piece is in contact with the baffle; Fixing the fourth connecting member on a side of the second assembling member close to the first movable plate; The second driving member drives the first movable plate to move toward the direction close to the baffle plate, so as to push the fourth plug-in portion of the fourth connecting member to be completely inserted into the second plug-in port of the second enclosure plate; Repeat the above steps until all the second enclosure panels are installed with the third connecting member or the fourth connecting member.
7. According to the production process of three-dimensional wound core transformer clamps according to claim 1, the vacuum dipping step adopts a vacuum pressure dipping tank, the vacuum pressure dipping tank includes a pressure control device, a vacuum pump, a paint storage tank and a dipping tank body, the pressure control device, the vacuum pump and the paint storage tank are all connected to the dipping tank body, and a paint delivery valve is provided between the paint storage tank and the dipping tank body, characterized in that: The vacuum varnishing step comprises: The upper clamp and the lower clamp are hoisted into the impregnation tank body, and the vacuum pump is turned on to evacuate the impregnation tank body until the vacuum degree in the impregnation tank body reaches 200 to 300 Pa; Turn off the vacuum pump and wait for 20 to 30 minutes; Open the paint delivery valve to input the electrical insulating impregnating paint in the paint storage tank into the impregnation tank body until the upper clamp and the lower clamp are completely immersed in the electrical insulating impregnating paint; Close the paint delivery valve and wait for 20 to 30 minutes; The pressure control device pressurizes the impregnation tank body at a pressure of 0.3 to 0.5 MPa for 30 to 40 minutes; The pressure control device releases the pressure of the immersion tank body for the first time, causing the pressure of the immersion tank body to drop by 0.15 MPa; Performing a paint dripping process on the upper clamp and the lower clamp in the dipping tank, the paint dripping time being 18 to 22 minutes; The pressure control device completely relieves the pressure of the impregnation tank body and lifts out the upper clamp and the lower clamp.
8. The production process of the three-dimensional wound core transformer clamp according to claim 7, wherein the curing treatment step uses a curing drying oven, and the curing drying oven has a heating switch, characterized in that: The curing step comprises: Before the upper clamp and the lower clamp are lifted out of the impregnation tank, the curing drying oven is preheated; After the upper clamp and the lower clamp are lifted out of the impregnation tank, the upper clamp and the lower clamp are placed in the curing drying box; Turn on the heating switch to raise the temperature in the curing drying oven to 125 to 135° C.; Perform heat preservation treatment for 3 to 4 hours; After the insulation is finished, turn off the heating switch; When the temperature in the curing drying oven drops below 70 to 80° C., the power supply of the curing drying oven is cut off, and the upper clamp and the lower clamp are taken out.
Citation Information
Patent Citations
Clip type discharging device and working method thereof
CN114093658A
Three-dimensional wound core transformer clamp
CN217333784U