CN114597055A

CN114597055A - Power transformer assembly coil winding equipment and winding method

Info

Publication number: CN114597055A
Application number: CN202210270591.9A
Authority: CN
Inventors: 陈贵林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-06-07

Abstract

The invention relates to the field of transformer coil winding manufacturing, in particular to a power transformer assembly coil winding device and a winding method, and the device comprises an operation table, an unreeling unit and a reeling unit, wherein the operation table is arranged on the ground, the unreeling unit is arranged at the right end of the upper end surface of the operation table, and the reeling unit is arranged at the left end of the upper end surface of the operation table.

Description

Power transformer assembly coil winding equipment and winding method

Technical Field

The invention relates to the field of transformer coil winding manufacturing, in particular to power transformer assembly coil winding equipment and a winding method.

Background

The transformer coil winding comprises wire and iron core, it often adopts artifical and former cooperation to carry out the operation of coiling, during the operation of coiling, the elasticity of wire in transportation process directly influences the winding elasticity of wire on the iron core, also influences the regularity of final fashioned coil winding simultaneously, if the wire is in when comparatively lax state, final fashioned coil winding is whole will present comparatively loose state, its holistic regularity is also lower simultaneously, and the wire is if excessive tight, then can lead to the wire to appear tensile excessive situation during the coiling.

In addition, the wire during winding does not receive the limitation of freedom in a certain direction, which is easy to shift, and the shift is easy to cause the butt joint deviation between the guidance of the n-th winding and the (n + 1) -th winding, so that the regularity of the finally formed coil winding is reduced.

Disclosure of Invention

In order to solve the technical problem, the invention provides power transformer assembly coil winding equipment which comprises an operation table, an unwinding unit and a winding unit, wherein the operation table is arranged on the ground, the unwinding unit is arranged at the right end of the upper end face of the operation table, and the winding unit is arranged at the left end of the upper end face of the operation table.

The unreeling unit comprises vertical frames, a lead screw, a main motor, a T-shaped frame plate, an unreeling belt, an unreeling motor, an extension fixing plate, a vertical electric slider, a conveying shaft and a limiting disc, wherein the vertical frames are symmetrically arranged on the upper end surface of the workbench from front to back, the lead screw is rotatably connected between the vertical frames, the rear end of the lead screw is connected with the output shaft end of the main motor, the main motor is arranged on the rear end surface of the vertical frame at the rear end of the lead screw, cylinders are symmetrically arranged on the upper side and the lower side of the lead screw and connected between the vertical frames, the horizontal section of the T-shaped frame plate is connected with the lead screw in a thread matching manner, the horizontal section of the T-shaped frame plate is slidably connected with the cylinders, a shaft lever used for installing a coil is rotatably arranged on the vertical section of the T-shaped frame plate from top to bottom at equal intervals, a retaining plate used for fixing the coil is arranged at the front end of the shaft lever in a thread matching manner, the unreeling belt is commonly connected between the shaft levers, and is positioned between the front side of the T-shaped frame plate and the retaining plate, the rear end that unreels the axostylus axostyle of belt bottom links to each other with unreeling motor output shaft end, it installs the rear end face at T type frame plate to unreel the motor, the left end face of the vertical section of T type frame plate is equipped with the extension fixed plate from last down equidistance, the preceding terminal surface that extends the fixed plate installs vertical electronic slider, the front end that extends the fixed plate is equipped with three transport axle from a left side to right equidistance, the transport axle that wherein is located vertical electronic slider left and right sides all rotates with the front end that extends the fixed plate to be connected, the surplus transport axle rotates with the front end of vertical electronic slider to be connected, the symmetry cover is equipped with spacing disc around the front end of transport axle.

The formed coil and the shaft lever can be connected in a thread matching mode, the coil is firstly installed on the shaft lever by manpower, then the baffle plate is installed until the baffle plate is tightly abutted against the coil, then the iron core is installed and fixed by the unreeling unit and the manual matching, then a worker holds a lead head, the shaft lever and the coil are integrally rotated by the unreeling motor, the worker synchronously pulls the lead leftwards and bypasses the lead from the lower end of a conveying shaft connected with the extending fixing plate and the upper end of the conveying shaft connected with the vertical electric slider, the lead is in an S-shaped state between the conveying shafts on the front side of the same extending fixing plate and is positioned between the limiting discs, the pulling end of the lead is finally adhered to the iron core, at the moment, the unreeling motor stops working, then the conveying shafts connected with the lead are driven to move upwards by the vertical electric slider, and the conveying shafts moving upwards synchronously pull the lead, the guiding between the iron core and the coil is tightened to a certain degree, then the unreeling motor continues to work, the coil unreels, meanwhile, the main motor drives the lead screw to rotate so as to enable the T-shaped frame plate to move linearly forwards, the T-shaped frame plate drives the coil and the extension fixing plate to move synchronously, the extension fixing plate drives the conveying shaft to move synchronously, the unreeling unit also works synchronously so as to enable the iron core to roll the lead, and finally the coil winding is formed.

The rolling unit include vertical mounting panel, the wind-up roll, rolling motor, the rolling belt, the clamping plectane, connecting plate and level are to electronic slider, vertical mounting panel is installed in the up end of operation table, vertical mounting panel is located the left side of extending the fixed plate, the wind-up roll is installed to down equidistance rotation from last in the upper end of vertical mounting panel, the rear end and the rolling motor output shaft end of the wind-up roll that is located vertical mounting panel lower extreme link to each other, rolling motor installs the up end in the operation table, be connected with a rolling belt between the rear end of wind-up roll jointly, the rolling belt is located between vertical mounting panel and the rolling motor, the clamping plectane has been arranged to the positive front side of wind-up roll, the rear end at the connecting plate is all installed to the clamping plectane, the level is to electronic slider to the lower extreme of connecting plate, the level is installed the upper end at the operation table to electronic slider.

The iron core is firstly clamped and sleeved on the winding roll manually, the vertical mounting plate is driven to move backwards through the horizontal electric sliding block, the vertical mounting plate drives the clamping circular plate to move synchronously, the clamping circular plate abuts against the front end of the iron core tightly, then the pulling end of the wire is bonded on the iron core manually, the coil is continuously unwound by the continuous work of the unwinding motor, the lead screw is driven by the main motor to rotate so that the T-shaped frame plate can move forwards in a linear mode, the T-shaped frame plate drives the coil to move synchronously with the extension fixing plate, the extension fixing plate drives the conveying shaft to move synchronously, meanwhile, the winding roll and the iron core are enabled to rotate integrally and synchronously through the winding motor, the wire is synchronously wound by the iron core, and finally, the coil winding is formed.

The rear end of wind-up roll be connected with one jointly through sliding fit mode and promote the riser, promote being connected with electric putter No. one between the rear end face of riser and the preceding terminal surface of vertical mounting panel, the wind-up roll arranges about an electric putter longitudinal symmetry, the left and right sides symmetrical arrangement of wind-up roll front end have the piece of supporting mutually, the piece that offsets is installed at the preceding terminal surface that promotes the riser, makes to promote the riser through an electric putter and moves forward, promotes the riser and drives the synchronous motion of piece that offsets, the distance between terminal surface before the piece that offsets before terminal surface and the wind-up roll equals the length size of iron core, then overlaps the iron core card on the wind-up roll through artifical mode to the preceding terminal surface that makes the rear end face of iron core support mutually tightly.

The first preferred technical scheme is as follows: the counterbalance comprises flexible square column and spacing axle, flexible square column installs the preceding terminal surface at promotion riser, the joint has spacing axle between the stiff end of flexible square column and its flexible end for the quantity of the mounting point of the spacing axle of joint is greater than the quantity of spacing axle, spacing axle is vertical state and its and flexible square column mutually perpendicular, the right-hand member of extension fixed plate install and connect electronic slider, connect electronic slider and install the left end at the vertical section of T type frame plate.

Support the piece mutually and promote the whole and wind-up roll before the adjustment of the distance between the terminal surface of riser the applicable condition of installing the same length size iron core on the wind-up roll, and the adjustment of the whole length of flexible square column and the position adjustment of extending the fixed plate then on the basis of above-mentioned condition for can install different length size's iron core on the wind-up roll simultaneously, and then the model scope of the coil winding that equipment can produce has obtained further expansion, the whole length's of flexible square column adjustment and the concrete operation method of the position adjustment of extending the fixed plate are: lift spacing axle off earlier through the manual work, then lengthen flexible square column to corresponding length, install spacing axle again so that flexible square column can not be stretched again, drive the extension fixed plate through connecting electronic slider and move forward immediately, the extension fixed plate drives vertical electronic slider and carries the axle, spacing disc synchronous motion to this makes spacing disc and iron core rear end basically be in same straight line, the wire that is located between spacing disc and the iron core keeps horizontal straight state, avoid influencing the winding smooth and easy degree of wire.

The preferred technical scheme is as follows: the back end face of clamping plectane install interior card strip, interior card strip evenly arranges along clamping plectane circumference, the side end face that interior card strip is back to the clamping plectane installs the rubber piece, the preceding terminal surface of wind-up roll set up and supply interior card strip male joint groove, the one side that the joint groove is back to the wind-up roll centre of a circle is uncovered structure, earlier through artifical with the iron core card cover on the wind-up roll earlier, then horizontal to electronic slider drive vertical mounting panel rearward movement, vertical mounting panel drives clamping plectane synchronous motion, clamping plectane drives interior card strip synchronous motion, until interior card strip inserts tightly in the joint groove, the rubber piece can increase the friction between interior card strip and the iron core, improves then and is connected the anchorage between interior card strip and the iron core, the purpose of setting up interior card strip and rubber piece is the anchorage of iron core on the wind-up roll.

The preferred technical scheme is three: the side end face of interior card strip back to the solid plectane centre of a circle of clamp be the inclined plane, the vertical size of interior card strip reduces from the past backward gradually, establish the side end face of the solid plectane centre of a circle of clamp with interior card strip back to the benefit of inclined plane and do: although the iron core can be clamped on the winding roller, the inner diameter of the iron core is slightly larger than the diameter of the winding roller, the inner clamping strip with the vertical size gradually reduced from front to back can be matched with the iron cores with different inner diameter sizes, and the inner clamping strip keeps the effect of increasing the stability of the iron core on the winding roller.

The preferable technical scheme is four: the side plate is arranged on the left front side of the vertical mounting plate, the side plate is mounted on the left end face of the operation table, the upper end of the right end face of the side plate is provided with a second electric push rod, the push-out end of the second electric push rod is provided with a rectangular plate, the right end face of the rectangular plate is provided with pressing blocks at equal intervals from top to bottom, the pressing blocks correspond to the winding roller one by one, when the wire is wound to a certain degree, the rectangular plate is pushed rightwards through the second electric push rod, the rectangular plate drives the pressing blocks to move synchronously until the pressing blocks press the wire on the iron core, then a worker cuts off the wire between the iron core and the conveying shaft by a cutting tool, due to the existence of the pressing blocks, the wire on the iron core cannot be loosened after the wire is cut off, then the wire on the iron core is fixed by a bonding tool, then the pressing blocks are far away from the iron core through the second electric push rod, and then the clamping circular plate and the inner clamping strip are integrally far away from the winding roller by a horizontal electric sliding block, the worker then removes the formed coil winding.

The preferred technical scheme is five: the left end face of the pressing block is provided with a connecting block in a T-shaped structure, the connecting block is connected with the right end of the rectangular plate in a sliding mode, and the connecting block and the pressing block are integrally moved forwards or backwards manually according to the position where the wire finally stops winding so that the position where the wire finally stops winding is located in the pressing range of the pressing block.

The preferred technical scheme is six: the limiting disks are connected with the conveying shaft in a threaded matching mode, and the distance between the limiting disks on the same conveying shaft is adjusted by manually rotating the limiting disks, so that the distance between the limiting disks on the same conveying shaft is matched with the diameter size of the wires, and the limiting disks can play a role in limiting the degree of freedom of the wires with different diameters.

The preferred technical scheme is seven: the right end face of the pressing block is provided with the elastic block, and the elastic block can increase friction between the pressing block and the wire, so that the wire under the pressing of the pressing block is less prone to falling off.

The preferred technical scheme is eight: the front end face of the extension fixing plate is carved with a dimension line, the dimension line is located on the right side of the vertical electric slider, under the condition of the dimension line, a worker can synchronously record the displacement of the vertical electric slider facing different material wires, so that when the wires of different materials are replaced subsequently, the displacement of the vertical electric slider can be controlled quickly and accurately, and the wires are prevented from being tightened excessively.

The preferable technical scheme is nine: the invention also provides a method for forming the coil winding by the coil winding equipment of the power transformer assembly, which comprises the following steps: s1, fixing a coil: the coil is installed and fixed through the unreeling unit and manual matching.

S2, fixing an iron core: the iron core is installed and fixed through the winding unit and manual matching.

S3, connecting the coil and the iron core: the coil and the iron core are connected manually.

S4, adjusting the tightness of the coil: the tightness of the coil is adjusted by matching the vertical electric slide block with the conveying shaft connected with the vertical electric slide block.

S5, forming of coil windings: the winding unit and the unwinding unit are matched to form a molded coil winding.

The invention has the following beneficial effects: 1. the unwinding unit provided by the invention can adjust the tightness of the wire during winding according to the material of the coil wire, so that the winding tightness of the wire is improved, the quality of the finally formed coil winding is improved, the freedom degree of the wire in the front-back direction can be limited, the wire is prevented from shifting back and forth along a conveying shaft during forming of the coil winding, and the regularity of the finally formed coil winding is reduced.

2. The distance between the whole abutting piece and the pushing vertical plate and the front end face of the winding roller can be adjusted, and on the basis, the winding roller can be matched with iron cores with different length sizes, so that the model range of coil windings which can be produced by equipment is expanded.

3. The adjustment of the distance between the whole abutting piece and the whole pushing vertical plate and the front end face of the winding roller is suitable for the condition that the winding roller is provided with the iron cores with the same length and size, and the adjustment of the whole length of the telescopic square column and the position adjustment of the fixed plate of the extension plate enable the winding roller to be simultaneously provided with the iron cores with different length and size on the basis of the condition, so that the model range of the coil winding which can be produced by equipment is further expanded.

4. The inner clamping strip provided by the invention has the following advantages: although the iron core can be clamped on the winding roller, the inner diameter of the iron core is slightly larger than the diameter of the winding roller, the inner clamping strip with the vertical size gradually reduced from front to back can be matched with the iron cores with different inner diameter sizes, and the inner clamping strip keeps the effect of increasing the stability of the iron core on the winding roller.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of the present invention under the condition of connecting the coil and the iron core.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of the region Q in fig. 3.

Fig. 5 is a schematic perspective view of the winding unit connected with the iron core, the pushing vertical plate and the first electric push rod.

FIG. 6 is a schematic view of the three-dimensional structure of the winding motor, the winding belt, the winding roller, the vertical mounting plate and the pushing vertical plate.

Fig. 7 is a schematic three-dimensional structure diagram of a pushing vertical plate, a telescopic square column, a limiting shaft, a winding roller, a clamping circular plate and an inner clamping strip.

Fig. 8 is a schematic perspective view illustrating an unwinding unit to which a coil is connected.

Fig. 9 is a top view of fig. 8.

Fig. 10 is a schematic perspective view of the extension fixing plate, the vertical electric slider, the conveying shaft, the limiting disc and the connecting electric slider.

Fig. 11 is a schematic perspective view of the T-shaped frame plate, the rectangular plate and the connecting electric slider.

Fig. 12 is a schematic perspective view of the side plate, the unwinding belt and the pressing block.

FIG. 13 is a process flow diagram of the present invention.

In the figure: 1. a working table; 2. an unwinding unit; 3. a winding unit; 20. erecting a frame; 21. a lead screw; 22. a main motor; 23. a T-shaped frame plate; 24. unwinding a belt; 25. an unwinding motor; 26. an extension fixing plate; 27. a vertical electric slider; 28. a delivery shaft; 29. a limiting disc; 30. a vertical mounting plate; 31. a wind-up roll; 32. a winding motor; 33. winding a belt; 34. clamping a circular plate; 35. a connecting plate; 36. a horizontal electric slider; 310. pushing the vertical plate; 311. a first electric push rod; 312. an abutting member; 313. a telescopic square column; 314. a limiting shaft; 315. connecting an electric slide block; 340. an inner clamping strip; 300. a side plate; 301. a second electric push rod; 302. a rectangular plate; 303. and (5) pressing the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the power transformer assembly coil winding device comprises a work table 1, an unwinding unit 2 and a winding unit 3, wherein the work table 1 is arranged on the ground, the unwinding unit 2 is installed at the right end of the upper end face of the work table 1, and the winding unit 3 is installed at the left end of the upper end face of the work table 1.

Referring to fig. 2, 8, 9, 10 and 11, the unwinding unit 2 includes a vertical frame 20, a lead screw 21, a main motor 22, a T-shaped frame plate 23, an unwinding belt 24, an unwinding motor 25, an extension fixing plate 26, a vertical electric slider 27, a conveying shaft 28 and a limiting disc 29, the vertical frame 20 is symmetrically installed on the upper end surface of the worktable in front and rear directions, the lead screw 21 is rotatably connected between the vertical frames 20, the rear end of the lead screw 21 is connected to an output shaft end of the main motor 22, the main motor 22 is installed on the rear end surface of the vertical frame 20 at the rear end of the lead screw 21, cylinders are symmetrically arranged on the upper and lower sides of the lead screw 21 and connected between the vertical frames 20, a horizontal section of the T-shaped frame plate 23 is connected to the lead screw 21 in a threaded fit manner, a horizontal section of the T-shaped frame plate 23 is slidably connected to the cylinders, a shaft lever for installing coils is rotatably installed at equal intervals from top to bottom, a front end of the shaft lever is installed with a blocking plate for fixing coils in a threaded fit manner, the utility model discloses a T type frame plate 23, unreel motor 25, T type frame plate 23, the left end face of T type frame plate 23 vertical section is from last down equidistance and is equipped with extension fixed plate 26, extend the front end face of fixed plate 26 and install vertical electronic slider 27, it is equipped with three delivery shaft 28 to turn right the equidistance from a left side to extend the front end of fixed plate 26, wherein the delivery shaft 28 that is located vertical electronic slider 27 left and right sides all rotates with the front end that extends fixed plate 26 to be connected between the axostylus axostyle, surplus delivery shaft 28 rotates with the front end of vertical electronic slider 27 to be connected, the front end front and back symmetry cover of delivery shaft 28 is equipped with spacing disc 29.

The formed coil and the shaft lever can be connected in a thread matching mode, the coil is firstly installed on the shaft lever by manpower, then the position blocking plate is installed until the position blocking plate abuts against the coil, then the iron core is installed and fixed by the unreeling unit 2 and the manual matching, then a worker holds a lead head, the shaft lever and the coil integrally rotate by the unreeling motor 25, the worker synchronously pulls the lead leftwards and bypasses the lead from the lower end of the conveying shaft 28 connected with the extending fixing plate 26 and the upper end of the conveying shaft 28 connected with the vertical electric slider 27, the lead is in an S-shaped state between the conveying shafts 28 on the front side of the same extending fixing plate 26 and is positioned between the limiting discs 29, the pulling end of the lead is finally bonded on the iron core, at the moment, the unreeling motor 25 stops working, and then the conveying shaft 28 connected with the unreeling motor 25 is driven to move upwards by the vertical electric slider 27, the wire is synchronously pulled by the conveying shaft 28 moving upwards, the guiding between the iron core and the coil is tightened to a certain degree, then the unreeling motor 25 continues to work, the coil unreels, meanwhile, the main motor 22 drives the screw rod 21 to rotate so as to enable the T-shaped frame plate 23 to move forwards linearly, the T-shaped frame plate 23 drives the coil and the extension fixing plate 26 to move synchronously, the extension fixing plate 26 drives the conveying shaft 28 to move synchronously, and the unreeling unit 2 also works synchronously so as to enable the iron core to reel the wire, and finally the coil winding is formed.

The vertical electric sliding block 27 has the beneficial effects that: the tightness of the wire can be adjusted by matching the vertical electric sliding block 27 and the conveying shaft 28 according to the characteristics of the material of the wire, so that the winding tightness of the wire is improved, and the quality of the finally formed coil winding is improved.

The purpose of the positioning disc 29 is: the degree of freedom of the wire on the delivery shaft 28 is limited to avoid shifting the wire back and forth along the delivery shaft 28 during the formation of the coil windings, which reduces the regularity of the final formed coil windings.

Referring to fig. 8, 9 and 10, the limiting disks 29 are connected to the conveying shafts 28 in a threaded manner, and the limiting disks 29 are manually rotated to adjust the distance between the limiting disks 29 on the same conveying shaft 28, so that the distance between the limiting disks 29 on the same conveying shaft 28 is matched with the diameter of the wires, and the limiting disks 29 can play a role in limiting the degree of freedom for wires with different diameters.

Referring to fig. 8, the front end surface of the extension fixing plate 26 is carved with a dimension line, the dimension line is located on the right side of the vertical electric slider 27, and under the condition of the dimension line, a worker can synchronously record the displacement of the vertical electric slider 27 facing to the wires made of different materials, so that when the wires made of different materials are replaced subsequently, the displacement of the vertical electric slider 27 can be rapidly and accurately controlled, and the wires are prevented from being excessively tightened.

Referring to fig. 2, 3, 5 and 6, the winding unit 3 includes a vertical mounting plate 30, a winding roller 31, a winding motor 32, a winding belt 33, a clamping circular plate 34, a connecting plate 35 and a horizontal electric slider 36, the vertical mounting plate 30 is mounted on the upper end surface of the work table 1, the vertical mounting plate 30 is located on the left side of the extending fixing plate 26, the winding roller 31 is rotatably mounted on the upper end of the vertical mounting plate 30 at an equal distance from top to bottom, the rear end of the winding roller 31 located at the lowermost end of the vertical mounting plate 30 is connected to the output shaft end of the winding motor 32, the winding motor 32 is mounted on the upper end surface of the work table 1, the winding belt 33 is commonly connected between the rear ends of the winding rollers 31, the winding belt 33 is located between the vertical mounting plate 30 and the winding motor 32, the clamping circular plate 34 is disposed on the front side of the winding roller 31, the clamping circular plate 34 is mounted on the rear end surface of the connecting plate 35, the lower end of the connecting plate 35 is provided with a horizontal electric slider 36, and the horizontal electric slider 36 is arranged at the upper end of the operation table 1.

The iron core is firstly clamped and sleeved on the winding roller 31 manually, then the horizontal electric sliding block 36 drives the vertical mounting plate 30 to move backwards, the vertical mounting plate 30 drives the clamping circular plate 34 to move synchronously until the clamping circular plate 34 abuts against the front end of the iron core tightly, then the pulling end of a wire is bonded on the iron core manually, the unwinding motor 25 continues to work to unwind the coil, the lead screw 21 is driven by the main motor 22 to rotate so as to enable the T-shaped frame plate 23 to move linearly forwards, the T-shaped frame plate 23 drives the coil and the extension fixing plate 26 to move synchronously, the extension fixing plate 26 drives the conveying shaft 28 to move synchronously, meanwhile, the winding roller 31 and the iron core are enabled to rotate synchronously integrally through the winding motor 32, the iron core winds the wire synchronously, and finally the coil winding is formed.

Referring to fig. 2, 3, 5 and 6, the rear end of the winding roller 31 is connected with a pushing riser 310 together in a sliding fit manner, a first electric push rod 311 is connected between the rear end surface of the pushing riser 310 and the front end surface of the vertical mounting plate 30, the winding roller 31 is arranged in an up-down symmetrical manner with respect to the first electric push rod 311, abutting pieces 312 are symmetrically arranged on the left and right sides of the front end of the winding roller 31, the abutting pieces 312 are mounted on the front end surface of the pushing riser 310, the pushing riser 310 is driven to move forward by the first electric push rod 311, the pushing riser 310 drives the abutting pieces 312 to move synchronously until the distance between the front end surface of the abutting pieces 312 and the front end surface of the winding roller 31 is equal to the length dimension of the iron core, then the iron core is clamped on the winding roller 31 in a manual manner, the rear end surface of the iron core abuts against the front end surface of the abutting pieces 312, and on the basis that the distance between the entire abutting pieces 312 and the front end surface of the winding roller 31 is variable, the range of coil winding types that can be produced by the apparatus is expanded.

Referring to fig. 7, the abutting part 312 is composed of a telescopic square column 313 and a limit shaft 314, the telescopic square column 313 is installed on the front end face of the pushing vertical plate 310, the limit shaft 314 is clamped between the fixed end of the telescopic square column 313 and the telescopic end of the telescopic square column, the number of the installation points for clamping the limit shaft 314 is more than that of the limit shaft 314, the limit shaft 314 is in a vertical state and is perpendicular to the telescopic square column 313, the right end of the extension fixing plate 26 is installed with a connection electric sliding block 315, and the connection electric sliding block 315 is installed at the left end of the vertical section of the T-shaped frame plate 23.

The adjustment of the distance between the whole abutting part 312 and the pushing vertical plate 310 and the front end face of the winding roller 31 is applicable to the condition that the winding roller 31 is provided with the iron cores with the same length and size, and the adjustment of the whole length of the telescopic square column 313 and the position adjustment of the extending fixing plate 26 are based on the condition, so that the winding roller 31 can be simultaneously provided with the iron cores with different length and size, the model range of the coil winding which can be produced by equipment is further expanded, and the specific operation method of the adjustment of the whole length of the telescopic square column 313 and the position adjustment of the extending fixing plate 26 is as follows: the limiting shaft 314 is firstly dismounted manually, then the telescopic square column 313 is lengthened to the corresponding length, the limiting shaft 314 is installed again so that the telescopic square column 313 can not be stretched again, the extension fixing plate 26 is driven to move forwards through the connection electric sliding block 315, the extension fixing plate 26 drives the vertical electric sliding block 27 and the conveying shaft 28, and the limiting disc 29 moves synchronously, so that the limiting disc 29 and the rear end of the iron core are basically located on the same straight line, the lead located between the limiting disc 29 and the iron core is kept in a horizontal straight state, and the winding smoothness of the lead is prevented from being influenced.

Referring to fig. 3, 4 and 7, the rear end face of the clamping circular plate 34 is provided with inner clamping strips 340, the inner clamping strips 340 are uniformly arranged along the circumferential direction of the clamping circular plate 34, the side end face of the inner clamping strip 340 opposite to the clamping circular plate 34 is provided with a rubber sheet, the front end face of the winding roller 31 is provided with a clamping groove for inserting the inner clamping strip 340, one side of the clamping groove back to the circle center of the winding roller 31 is of an open structure, an iron core is firstly clamped and sleeved on the winding roller 31 manually, then the horizontal electric slide block 36 drives the vertical mounting plate 30 to move backwards, the vertical mounting plate 30 drives the clamping circular plate 34 to move synchronously, the clamping circular plate 34 drives the inner clamping strip 340 to move synchronously until the inner clamping strip 340 is tightly inserted into the clamping groove, the rubber sheet can increase the friction between interior card strip 340 and the iron core, improves then and is connected the tightness between interior card strip 340 and the iron core, and the purpose of setting up interior card strip 340 and rubber sheet is to improve the degree of stability of iron core on wind-up roll 31.

Referring to fig. 4, the side end surface of the inner clip strip 340 facing away from the center of the clamped circular plate 34 is an inclined surface, the vertical dimension of the inner clip strip 340 decreases gradually from the front to the back, and the side end surface of the inner clip strip 340 facing away from the center of the clamped circular plate 34 is set as an inclined surface: although the iron core can be clamped on the wind-up roll 31, the inner diameter of the iron core is slightly larger than the diameter of the wind-up roll 31, the inner clamping strip 340 with the vertical size gradually reduced from the front to the back can be matched with the iron cores with different inner diameter sizes, and the inner clamping strip 340 keeps the effect of increasing the stability of the iron core on the wind-up roll 31.

Referring to fig. 1, 2 and 12, a side plate 300 is disposed on the left front side of the vertical mounting plate 30, the side plate 300 is mounted on the left end surface of the work table 1, a second electric push rod 301 is mounted on the upper end of the right end surface of the side plate 300, a rectangular plate 302 is mounted on the push end of the second electric push rod 301, pressing blocks 303 are equidistantly disposed on the right end surface of the rectangular plate 302 from top to bottom, the pressing blocks 303 correspond to the winding roller 31 one by one, when the wire is wound to a certain degree, the rectangular plate 302 is pushed rightwards by the second electric push rod 301, the rectangular plate 302 drives the pressing blocks 303 to move synchronously until the pressing blocks 303 compress the wire on the iron core, then a worker cuts the wire between the iron core and the conveying shaft 28 by means of a cutting tool, and the wire on the iron core does not loosen after the wire is cut due to the existence of the pressing blocks 303, and then the wire on the iron core is fixed by means of an adhesive tool, then the pressing block 303 is moved away from the iron core by the second electric push rod 301, and then the clamping circular plate 34 and the inner clamping bar 340 are moved away from the take-up roll 31 as a whole by the horizontal electric slider 36, and then the formed coil winding is taken down by a worker.

Referring to fig. 12, the engagement block having a T-shaped structure is installed on the left end surface of the pressing block 303, the engagement block is slidably connected to the right end of the rectangular plate 302, and the engagement block and the pressing block 303 are manually moved forward or backward according to the position where the wire finally stops winding, so that the position where the wire finally stops winding is within the pressing range of the pressing block 303.

Referring to fig. 12, the right end surface of the pressing block 303 is provided with an elastic block, which can increase friction between the pressing block 303 and the wire, so that the wire under the pressing of the pressing block 303 is less prone to falling off.

Referring to fig. 13, in addition, the present invention also provides a method for forming a coil winding of a coil winding device of a power transformer assembly, comprising the following steps: s1, fixing a coil: the coils of lapping and the axostylus axostyle between accessible screw-thread fit mode link to each other, install the coil on the axostylus axostyle earlier through the manual work, install again and keep off the position board until keeping off the position board and support tight coil.

S2, fixing an iron core: make promotion riser 310 move forward through electric putter 311, promote riser 310 and drive and support 312 synchronous motion mutually, the distance between the terminal surface before supporting 312 and the wind-up roll 31 before the terminal surface equals the length size of iron core mutually, then overlap the iron core card on the wind-up roll 31 through artifical mode, and make the rear end face of iron core support the preceding terminal surface of tight flexible square column 313, drive vertical mounting panel 30 rearward movement to electronic slider 36 through the level afterwards, vertical mounting panel 30 drives clamping circular plate 34 synchronous motion, clamping circular plate 34 drives interior card strip 340 synchronous motion, until interior card strip 340 inserts tightly in the joint groove.

If the length and size of the iron core are different, the limiting shaft 314 can be dismounted manually, then the telescopic square column 313 is lengthened to the corresponding length, the limiting shaft 314 is mounted to enable the telescopic square column 313 not to be stretched any more, then the iron core is clamped and sleeved on the winding roller 31 manually, the rear end face of the iron core is enabled to abut against the front end face of the telescopic square column 313, then the extension fixing plate 26 is driven to move forwards by being connected with the electric sliding block 315, the extension fixing plate 26 drives the vertical electric sliding block 27, the conveying shaft 28 and the limiting disc 29 to move synchronously, so that the limiting disc 29 and the rear end of the iron core are basically located on the same straight line, and then the inner clamping strip 340 is inserted and tightly into the clamping groove through the horizontal electric sliding block 36.

S3, connecting the coil and the iron core: the workman holds the wire head, makes axostylus axostyle and coil rotate wholly through unreeling motor 25 simultaneously, and the workman pulls the wire left in step to make the wire walk around from the lower extreme of the transport axle 28 that extension fixed plate 26 links and the upper end of the transport axle 28 that vertical electronic slider 27 links, the wire presents the S-shaped state between the transport axle 28 of same extension fixed plate 26 front side, and the wire is located between spacing disc 29, and the pulling end of wire bonds finally on the iron core.

S4, adjusting the tightness of the coil: the vertical electric slide block 27 drives the conveying shaft 28 connected with the vertical electric slide block to move upwards, the conveying shaft 28 moving upwards synchronously pulls the conducting wire, and the guiding between the iron core and the coil is tightened to a certain degree.

S5, forming of coil windings: the coil is rotated to unreel through the unreeling motor 25, and simultaneously the lead screw 21 is driven to rotate through the main motor 22 so that the T-shaped frame plate 23 can move forwards in a linear mode, the T-shaped frame plate 23 drives the coil and the extension fixing plate 26 to move synchronously, the extension fixing plate 26 drives the conveying shaft 28 to move synchronously, the winding roller 31 and the iron core are enabled to rotate integrally and synchronously through the winding motor 32, and the iron core winds the wires synchronously.

After the wire is rolled to a certain degree, the rectangular plate 302 is pushed rightwards through the second electric push rod 301, the rectangular plate 302 drives the pressing block 303 to move synchronously until the pressing block 303 compresses the wire on the iron core, then a worker cuts the wire between the iron core and the conveying shaft 28 by means of a cutting tool, due to the existence of the pressing block 303, the wire on the iron core cannot be loosened after the wire is cut off, the wire on the iron core is fixed by means of a bonding tool, then the pressing block 303 is far away from the iron core through the second electric push rod 301, next, the clamping circular plate 34 and the inner clamping strip 340 are integrally far away from the rolling roller 31 through the horizontal electric slider 36, and then the worker takes down the formed coil winding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power transformer subassembly coil winding equipment, includes operation table (1), unreels unit (2) and rolling unit (3), its characterized in that: the operation table (1) is arranged on the ground, the right end of the upper end face of the operation table (1) is provided with an unreeling unit (2), and the left end of the upper end face of the operation table (1) is provided with a reeling unit (3);

the unreeling unit (2) comprises a vertical frame (20), a lead screw (21), a main motor (22), T-shaped frame plates (23), an unreeling belt (24), an unreeling motor (25), an extending fixing plate (26), a vertical electric slider (27), a conveying shaft (28) and a limiting disc (29), wherein the vertical frame (20) is symmetrically arranged on the upper end surface of a workbench in the front-back direction, the lead screw (21) is rotatably connected between the vertical frames (20), the rear end of the lead screw (21) is connected with the output shaft end of the main motor (22), the main motor (22) is arranged on the rear end surface of the vertical frame (20) at the rear end of the lead screw (21), cylinders are symmetrically arranged on the upper side and the lower side of the lead screw (21), the cylinders are connected between the vertical frames (20), the horizontal section of the T-shaped frame plates (23) is connected with the lead screw (21) in a thread matching manner, the horizontal section of the T-shaped frame plates (23) is slidably connected with the cylinders, shaft levers for installing coils are rotatably arranged on the vertical sections of the T-shaped frame plates (23) from top to the bottom in a rotating manner, the front end of the shaft lever is provided with a baffle plate for fixing a coil in a threaded matching mode, an unreeling belt (24) is connected between the shaft levers, the unreeling belt (24) is positioned between the front side of the T-shaped frame plate (23) and the baffle plate, the rear end of the shaft lever at the lowest end of the unreeling belt (24) is connected with the output shaft end of an unreeling motor (25), the unreeling motor (25) is arranged on the rear end surface of the T-shaped frame plate (23), the left end surface of the vertical section of the T-shaped frame plate (23) is provided with an extending fixed plate (26) at equal intervals from top to bottom, the front end surface of the extending fixed plate (26) is provided with a vertical electric slider (27), the front end of the extending fixed plate (26) is provided with three conveying shafts (28) at equal intervals from left to right, the conveying shafts (28) positioned at the left side and the right side of the vertical electric slider (27) are rotatably connected with the front end of the extending fixed plate (26), and the residual conveying shafts (28) are rotatably connected with the front end of the vertical electric slider (27), limiting discs (29) are symmetrically sleeved at the front and the rear of the front end of the conveying shaft (28);

the winding unit (3) comprises a vertical mounting plate (30), a winding roller (31), a winding motor (32), a winding belt (33), a clamping circular plate (34), a connecting plate (35) and a horizontal electric slider (36), wherein the vertical mounting plate (30) is mounted on the upper end surface of the operating table (1), the vertical mounting plate (30) is positioned on the left side of the extension fixing plate (26), the winding roller (31) is rotatably mounted on the upper end of the vertical mounting plate (30) from top to bottom at equal intervals, the rear end of the winding roller (31) positioned at the lowest end of the vertical mounting plate (30) is connected with the output shaft end of the winding motor (32), the winding motor (32) is mounted on the upper end surface of the operating table (1), the rear end of the winding roller (31) is jointly connected with the winding belt (33), and the winding belt (33) is positioned between the vertical mounting plate (30) and the winding motor (32), a clamping circular plate (34) is arranged on the front side of the winding roller (31), the clamping circular plates (34) are all installed on the rear end face of a connecting plate (35), a horizontal electric sliding block (36) is installed at the lower end of the connecting plate (35), and the horizontal electric sliding block (36) is installed at the upper end of the operation table (1);

the rear end of wind-up roll (31) be connected with one jointly through sliding fit mode and promote riser (310), promote to be connected with electric putter (311) between the rear end face of riser (310) and the preceding terminal surface of vertical mounting panel (30), wind-up roll (31) are arranged about electric putter (311) longitudinal symmetry, the left and right sides symmetrical arrangement of wind-up roll (31) front end support mutually (312), support mutually (312) and install the preceding terminal surface at promotion riser (310).

2. A power transformer assembly coil winding arrangement according to claim 1, wherein: support mutually (312) constitute by flexible square column (313) and spacing axle (314), flexible square column (313) are installed at the preceding terminal surface that promotes riser (310), the joint has spacing axle (314) between the stiff end of flexible square column (313) and the flexible end thereof, the quantity that is used for the mounting point of the spacing axle of joint (314) is more than the quantity of spacing axle (314), spacing axle (314) are vertical state and it is mutually perpendicular with flexible square column (313), the right-hand member of extension fixed plate (26) install and connect electronic slider (315), connect electronic slider (315) and install the left end at the vertical section of T type frame plate (23).

3. A power transformer assembly coil winding apparatus according to claim 1, wherein: interior card strip (340) are installed to the rear end face of clamping plectane (34), interior card strip (340) are evenly arranged along clamping plectane (34) circumference, the side end face that interior card strip (340) pressed from both sides solid plectane (34) back to installs the rubber sheet, the preceding terminal surface of wind-up roll (31) offer supply interior card strip (340) male joint groove, the joint groove is uncovered structure to one side of wind-up roll (31) centre of a circle back to.

4. A power transformer assembly coil winding apparatus according to claim 3, wherein: the side end face of the inner clamping strip (340) back to the circle center of the clamping circular plate (34) is an inclined face, and the vertical size of the inner clamping strip (340) is gradually reduced from front to back.

5. A power transformer assembly coil winding apparatus according to claim 1, wherein: the left front side of vertical mounting panel (30) be arranged with side board (300), side board (300) are installed at operation table (1) left end face, No. two electric putter (301) are installed to the right-hand member face upper end of side board (300), No. two electric putter (301) release end are installed rectangular plate (302), the right-hand member face of rectangular plate (302) is from last down the equidistance be equipped with briquetting (303), briquetting (303) and wind-up roll (31) one-to-one.

6. A power transformer assembly coil winding apparatus according to claim 5, wherein: the left end face of the pressing block (303) is provided with a connecting block in a T-shaped structure, and the connecting block is connected with the right end of the rectangular plate (302) in a sliding manner.

7. A power transformer assembly coil winding apparatus according to claim 1, wherein: the limiting disc (29) is connected with the conveying shaft (28) in a threaded fit mode.

8. A power transformer assembly coil winding apparatus according to claim 5, wherein: the right end face of the pressing block (303) is provided with an elastic block.

9. A power transformer assembly coil winding apparatus according to claim 1, wherein: the front end face of the extension fixing plate (26) is carved with a dimension line which is positioned on the right side of the vertical electric sliding block (27).