CN112652474B

CN112652474B - Transformer production process

Info

Publication number: CN112652474B
Application number: CN201910962970.2A
Authority: CN
Inventors: 陆方明; 周一新; 曹敏霞
Original assignee: Wuxi Kaida Telecom Electric Co ltd
Current assignee: Wuxi Kaida Telecom Electric Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2022-04-29
Anticipated expiration: 2039-10-11
Also published as: CN112652474A

Abstract

The invention discloses a transformer production process, which relates to the technical field of machine tool transformers, and the key points of the technical scheme are as follows: the step S2: firstly, pressing a reset key of a winding machine, and then enabling a copper wire to sequentially pass through a wire guide wheel, a wire breaking device and a winding device of the winding machine; then winding the copper wire on the coil rack by a winding device, and cutting the copper wire by a wire breaking device after the copper wire on the coil rack is wound; the winding machine comprises a machine table, and the wire breaking device comprises a wire breaking frame fixedly connected to the top of the machine table, a wire cutting opening formed in one side of the wire breaking frame, and a vertical groove formed in the top of the wire breaking frame and communicated with the wire cutting opening; the vertical groove is connected with a cutter in a sliding mode along the vertical direction, the top of the wire breaking frame is provided with a wire breaking cylinder, and a piston rod of the wire breaking cylinder is detachably connected to the top of the cutter. According to the invention, the wire breaking device is additionally arranged on the winding machine, so that the copper wire is conveniently cut off, and the labor intensity of operators can be reduced.

Description

Transformer production process

Technical Field

The invention relates to the technical field of machine tool transformers, in particular to a transformer production process.

Background

The development of machine tool control transformers in China has gone through a development process of more than 10 years, the prior art is mature, and the development of the JBK5 series machine tool control transformers is taken as an example and introduced below. The JBK5 series machine tool control transformer is the latest Satons transformer series introduced in 90 years of Germany in China, further absorbs foreign like products for many years on the basis of the internal JBK3 series machine tool control transformer, and preferably selects a wiring terminal structure of a foreign advanced method to combine a terminal and a framework together, so that the protection grade is improved to IP2LX, and accidental contact with a circuit is prevented. The domestic IT cold-pressing wiring terminal is adopted, and the wiring mode can improve the wiring density.

At present, a transformer is a device for changing an alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and a core (magnetic core). The winding of the transformer can be generally realized by winding or manual winding through a winding machine, and the winding machine has the advantages of high efficiency and beautiful appearance.

The prior art can refer to Chinese patent application with publication number CN102903505A, which discloses a transformer production process, comprising preparation procedures, winding I, winding II, rubber coating, shaping rubber coating, trimming and paint stripping, iron core assembly, measuring inductance high voltage, steel belt bundling, measuring inductance high voltage, appearance inspection, vacuum paint dipping, trimming, paint stripping, tinning, lead stranding, lead welding, rubber coating, fold line, heat-shrinkable sleeve, wire binding, QC electrical test, type number marking, appearance inspection and packaging. The method has the advantages that a set of simple, efficient and high-quality transformer winding process flow is provided, the manufactured transformer is attractive in appearance, reliable and safe in insulation treatment, small in magnetic flux leakage, high in efficiency and particularly suitable for batch production.

The existing coil comprises a coil frame and copper wires wound on the coil frame, however, after the winding of the winding machine is completed, the copper wires are generally cut off manually, which increases the labor intensity of operators.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a transformer production process, which is convenient for cutting a copper wire by adding a wire breaking device on a winding machine, so that the labor intensity of operators can be reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer production process, comprising: s1, a preparation process; s2, winding I; s3, winding II; s4, encapsulating; s5, shaping and encapsulating; s6, trimming and stripping paint; s7, assembling the iron core; s8, measuring the induction high voltage; s9, bundling a steel belt, and measuring the high voltage of an inductor; s10, appearance inspection and vacuum paint dipping; s11, trimming, stripping paint and tinning; s12, stranding lead wires; s13, lead welding and encapsulation; s14, folding lines, heat-shrinkable sleeves and binding lines; s15, electrically testing QC; s16, labeling type number mark; s17, appearance inspection; s18, packaging; the step S2: firstly, pressing a reset key of a winding machine, and then enabling a copper wire to sequentially pass through a wire guide wheel, a wire breaking device and a winding device of the winding machine; then winding the copper wire on the coil rack by a winding device, and cutting the copper wire by a wire breaking device after the copper wire on the coil rack is wound; the winding machine comprises a machine table, and the wire breaking device comprises a wire breaking frame fixedly connected to the top of the machine table, a wire cutting opening formed in one side of the wire breaking frame, and a vertical groove formed in the top of the wire breaking frame and communicated with the wire cutting opening; the vertical groove is connected with a cutter in a sliding mode along the vertical direction, the top of the wire breaking frame is provided with a wire breaking cylinder, and a piston rod of the wire breaking cylinder is detachably connected to the top of the cutter.

By adopting the technical scheme, when the copper wire needs to be cut off, the wire breaking cylinder is started, the piston rod of the wire breaking cylinder drives the cutter to move downwards, and the cutter moves downwards to cut off the copper wire; in conclusion, the wire breaking device is additionally arranged on the winding machine, so that the copper wire is conveniently cut, and the labor intensity of operators can be reduced.

The invention is further configured to: a connecting mechanism is arranged between the cutter and a piston rod of the wire breaking cylinder, and comprises an inserting block fixedly connected to the bottom of the piston rod of the wire breaking cylinder and a first inserting groove formed in the top of the cutter and used for inserting the inserting block; the two ends of the first slot are respectively provided with a fixing component for fixing the insert block, the two ends of the first slot are respectively provided with a horizontal groove, and each group of fixing components comprises a horizontal rod sliding along the length direction of the first slot, a first spring sleeved on the horizontal rod and a limiting block fixedly connected to one end of the horizontal rod away from the horizontal groove; the limiting blocks are connected to the horizontal groove in a sliding mode, opposite ends of the two first springs are fixedly connected to the far ends of the two limiting blocks respectively, and the far ends of the two first springs are fixedly connected to two ends of the first slot respectively; two ends of the insertion block are respectively provided with a first inclined surface, the opposite inner sides of the two limiting blocks are respectively provided with a second inclined surface, the two first inclined surfaces are respectively matched with the two second inclined surfaces, and the top of the insertion block can be abutted against the bottoms of the two limiting blocks; and a driving mechanism for driving the two limit blocks to be away from each other is installed at the top of the cutter.

By adopting the technical scheme, when the cutter needs to be installed, the cutter is firstly placed at the bottom of the wire cutting opening, and then the air inlet pressure of the wire breaking cylinder is adjusted to be minimum through the adjusting valve of the wire breaking cylinder, so that the insertion block is conveniently aligned to the first insertion groove; after the insertion block is aligned to the first slot, the air inlet pressure of the wire breaking cylinder is adjusted to a normal state through an adjusting valve of the wire breaking cylinder, then the wire breaking cylinder is started, a piston rod of the wire breaking cylinder drives the insertion block to move downwards, the insertion block drives the two limiting blocks to be away from each other under the action of the first inclined surface and the second inclined surface, the limiting blocks move to press the first spring, and the first spring is in a compressed state; when the inserting block passes through the space between the two limiting blocks and is abutted against the bottoms of the limiting blocks, the two limiting blocks are close to each other under the action of the two first springs, so that the inserting block can be limited; when the cutter needs to be detached, the two limiting blocks are driven to be away from each other through the driving mechanism, so that the inserting block can be separated from the first inserting groove, and the cutter can be detached; the cutter becomes dull easily under the condition of long-time cutting copper line, so need often pull down the cutter and polish, through setting up coupling mechanism and actuating mechanism, be convenient for carry out the dismouting to the cutter, therefore be convenient for pull down the cutter and maintain.

The invention is further configured to: the driving mechanism comprises a first sliding chute arranged at the top of the cutter and two driving blocks which are connected to two ends of the first sliding chute in a sliding manner along the length direction of the first sliding chute; a screw rod is rotatably connected in the first sliding groove, two ends of the screw rod are respectively provided with a left thread and a right thread, and the two driving blocks are respectively in threaded connection with the left thread and the right thread; one sides, close to the lead screw, of the two limiting blocks are fixedly connected with connecting rods respectively, one ends, far away from the limiting blocks, of the two connecting rods are fixedly connected with circular rings respectively, the two circular rings are sleeved on the lead screw and can slide along the axial direction of the lead screw, and the two driving blocks are located between the two circular rings; and a driving assembly for driving the screw rod to rotate is arranged on one side of the wire breaking frame.

By adopting the technical scheme, when the two limiting blocks need to be driven to be away from each other, the driving assembly drives the screw rod to rotate, the screw rod drives the two driving blocks to be away from each other in a rotating mode, and the two driving blocks are away from each other to drive the two limiting blocks to be away from each other; through setting up actuating mechanism, be convenient for drive two stopper and keep away from each other.

The invention is further configured to: the driving assembly comprises a round hole arranged on one side of the wire breaking frame, a round rod connected to the round hole in a sliding manner along the axial direction of the round hole, and a driving part fixedly connected to one end, far away from the screw rod, of the round rod; the end face, close to the lead screw, of the round rod is fixedly connected with a square block, one end of the lead screw penetrates through one side, close to the round rod, of the cutter, and a square groove for the square block to be inserted is formed in the end face, close to the round rod, of the lead screw; and a limiting assembly used for limiting the square block is arranged in the square groove.

By adopting the technical scheme, the square block is inserted into the square groove by moving the round rod, then the square block is limited by the limiting assembly, then the round rod is rotated by the rotation driving part, and the round rod rotates to drive the lead screw to rotate, so that the limiting blocks are driven to be away from each other conveniently; when the inserted block is required to be separated from the first slot, the square block is separated from the square slot by moving the round rod, so that the inserted block can be separated from the first slot; in sum, the driving assembly is arranged, so that the screw rod is driven to rotate conveniently.

The invention is further configured to: the limiting assembly comprises two first abutting blocks which are connected to two ends of the square groove in a sliding mode along the length direction of the square groove and two second springs which are fixedly connected to the ends, far away from each other, of the two first abutting blocks; the ends, far away from each other, of the two second springs are fixedly connected to the two ends of the square groove respectively; the relative inboard of two first butt joint piece is provided with the third inclined plane respectively, the both sides of square piece are provided with the fourth inclined plane respectively, two the third inclined plane respectively with two fourth inclined plane phase-matchs.

By adopting the technical scheme, the square block is inserted into the square groove by moving the round rod, at the moment, the square block drives the two first abutting blocks to be away from each other under the action of the third inclined plane and the fourth inclined plane, the first abutting blocks move to compress the second spring, and at the moment, the second spring is in a compressed state; after square piece and square groove are pegged graft, first butt joint piece supported the pressure to square piece under the effect of second spring this moment to can reduce square piece and the square groove possibility of taking place the separation.

The invention is further configured to: a first limiting mechanism used for limiting the round rod is installed on one side of the wire breaking frame and comprises a horizontal plate vertically and fixedly connected to one side of the wire breaking frame, a bolt connected to the horizontal plate in a sliding mode along the vertical direction, a stop block sleeved and fixed on the bolt and a plurality of second slots sequentially formed in the outer peripheral surface of the round rod along the circumferential direction of the round rod; one end of the plug pin penetrates through the horizontal plate to be inserted into the second slot, and the other end of the plug pin is fixedly connected with a first handle; the stop block is positioned between the horizontal plate and the round rod; a third spring is sleeved on the bolt, and two ends of the third spring are fixedly connected to the horizontal plate and the stop block respectively; and a second limiting mechanism used for limiting the bolt is installed at the top of the horizontal plate.

By adopting the technical scheme, when the round rod needs to be moved, the bolt is separated from the second slot by pulling the first handle, then the round rod can be moved, the bolt moves to drive the stop block to move, the stop block moves to press the third spring, and the third spring is in a compressed state; when needs carry on spacingly to the pole, make the bolt aim at the second slot through the pulling pole, then loosen first handle, the dog drives the bolt and pegs graft with the second slot under the effect of third spring this moment to alright carry on spacingly to the pole, easy operation, convenience like this.

The invention is further configured to: the second limiting mechanism comprises a through hole arranged on the horizontal plate, a connecting pipe which is rotatably connected with the through hole and is vertically arranged, a plurality of spiral grooves arranged on the inner wall of the connecting pipe, a plurality of spiral blocks fixedly connected to the outer side wall of the plug pin, an annular block sleeved and fixed on the outer side wall of the top of the connecting pipe and an inserting assembly arranged on the top of the horizontal plate and used for fixing the annular block; the spiral blocks are matched with the spiral grooves in a one-to-one correspondence mode.

Through adopting above-mentioned technical scheme, the bolt removes and drives the spiral piece and remove, and the connecting pipe takes place to rotate under the effect of spiral piece and helicla flute this moment, and the connecting pipe rotates and drives the annular piece and rotate, then fixes the annular piece through the plug-in components to alright fix the connecting pipe, and then fix the bolt, therefore the operating personnel of being convenient for rotates the round bar.

The invention is further configured to: the splicing component comprises a vertical block vertically and fixedly connected to the top of the horizontal plate, a horizontal block fixedly connected to the top of the vertical block, a pull rod connected to the horizontal block in a sliding mode along the vertical direction, a second abutting block fixedly connected to the bottom of the pull rod, a second handle fixedly connected to the top of the pull rod and a fourth spring sleeved on the pull rod; the pull rod penetrates through the horizontal block; two ends of the fourth spring are fixedly connected to the second abutting block and the horizontal block respectively; a plurality of through holes are formed in one end of the annular block along the circumferential direction of the annular block, and one end, far away from the second handle, of the pull rod is inserted into the through holes.

By adopting the technical scheme, when the annular block needs to be fixed, the pull rod is pulled by pulling the second handle, the pull rod moves to drive the second abutting block to move, the second abutting block moves to abut against and press the fourth spring, and the fourth spring is in a compressed state at the moment; after the annular block rotates suitable position, loosen the second handle, the second butt joint piece removes to the direction that is close to the annular block under the effect of fourth spring this moment, alright make the pull rod peg graft with the perforation like this to alright fix the annular block, easy operation, convenience like this.

The invention is further configured to: a knife retracting assembly is arranged on the wire breaking frame and comprises a knife retracting cylinder horizontally arranged on the wire breaking frame and a knife retracting frame fixedly connected to a piston rod of the knife retracting cylinder; the top of the tool retracting frame is provided with a tool retracting groove.

Through adopting above-mentioned technical scheme, receive the knife through setting up receipts knife rest, be convenient for receive the cutter to can alleviate the rigid contact of cutter and tangent line mouth bottom.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. when the copper wire needs to be cut off, the wire breaking cylinder is started, a piston rod of the wire breaking cylinder drives the cutter to move downwards, and the cutter moves downwards to cut off the copper wire; in conclusion, the wire breaking device is additionally arranged on the winding machine, so that the copper wire is conveniently cut off, and the labor intensity of operators can be reduced;

2. when the cutting knife needs to be installed, the cutting knife is placed at the bottom of the wire cutting opening, and then the air inlet pressure of the wire breaking cylinder is adjusted to be minimum through the adjusting valve of the wire breaking cylinder, so that the insertion block is conveniently aligned to the first insertion groove; after the insertion block is aligned to the first slot, the air inlet pressure of the wire breaking cylinder is adjusted to a normal state through an adjusting valve of the wire breaking cylinder, then the wire breaking cylinder is started, a piston rod of the wire breaking cylinder drives the insertion block to move downwards, the insertion block drives the two limiting blocks to be away from each other under the action of the first inclined surface and the second inclined surface, the limiting blocks move to press the first spring, and the first spring is in a compressed state; when the inserting block passes through the space between the two limiting blocks and is abutted against the bottoms of the limiting blocks, the two limiting blocks are close to each other under the action of the two first springs, so that the inserting block can be limited; when the cutter needs to be detached, the two limiting blocks are driven to be away from each other through the driving mechanism, so that the inserting block can be separated from the first inserting groove, and the cutter can be detached; the cutter is easy to become dull under the condition of cutting a copper wire for a long time, so the cutter needs to be frequently detached for polishing, and the cutter is convenient to detach and maintain by arranging the connecting mechanism and the driving mechanism;

3. through setting up receipts knife rest, be convenient for receive the cutter to can alleviate the rigid contact of cutter and tangent line mouth bottom.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of the wire breaking device in the embodiment;

FIG. 3 is a partial cross-sectional view of a highlighted attachment mechanism of an embodiment;

FIG. 4 is a schematic structural view of a highlighting driving mechanism in the embodiment;

FIG. 5 is a partial cross-sectional view of an embodiment highlighting a circular aperture;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is an exploded view of a highlighted via in an example embodiment.

In the figure: 1. a machine platform; 2. a wire breaking device; 21. a wire breaking frame; 22. cutting a thread opening; 23. a vertical slot; 24. a cutter; 25. a wire breaking cylinder; 3. a connecting mechanism; 31. inserting a block; 32. a first slot; 321. a horizontal groove; 33. a fixing assembly; 331. a horizontal bar; 332. a first spring; 333. a limiting block; 334. a first inclined plane; 335. a second inclined plane; 4. a drive mechanism; 41. a first chute; 42. a drive block; 43. a lead screw; 431. a left thread; 432. a right thread; 44. a connecting rod; 45. a circular ring; 46. a drive assembly; 461. a circular hole; 462. a round bar; 463. a drive section; 464. a square block; 465. a square groove; 47. a limiting component; 471. a first abutment block; 472. a second spring; 473. a third inclined plane; 474. a fourth slope; 5. a first limit mechanism; 51. a horizontal plate; 52. a bolt; 53. a stopper; 54. a second slot; 55. a first handle; 56. a third spring; 6. a second limiting mechanism; 61. a through hole; 62. a connecting pipe; 63. a helical groove; 64. a screw block; 65. a ring block; 651. perforating; 66. a plug-in assembly; 661. a vertical block; 662. a horizontal block; 663. a pull rod; 664. a second abutment block; 665. a second handle; 666. a fourth spring; 7. a retracting component; 71. a cutter retracting cylinder; 72. retracting the tool rest; 73. a knife receiving groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a transformer production process, as shown in fig. 1 and 2, comprising: s1, a preparation process; s2, winding I; s3, winding II; s4, encapsulating; s5, shaping and encapsulating; s6, trimming and stripping paint; s7, assembling the iron core; s8, measuring the induction high voltage; s9, bundling a steel belt, and measuring the high voltage of an inductor; s10, appearance inspection and vacuum paint dipping; s11, trimming, stripping paint and tinning; s12, stranding lead wires; s13, lead welding and encapsulation; s14, folding lines, heat-shrinkable sleeves and binding lines; s15, electrically testing QC; s16, labeling type number mark; s17, appearance inspection; s18, packaging; step S2: firstly, pressing a reset key of the winding machine, and then enabling the copper wire to sequentially pass through a wire guide wheel, a wire breaking device 2 and a winding device of the winding machine; then, winding the copper wire on the coil rack by a winding device, and cutting the copper wire by a wire cutting device 2 after the copper wire on the coil rack is wound; the winding machine comprises a machine table 1, and the wire breaking device 2 comprises a wire breaking frame 21 fixedly connected to the top of the machine table 1, a wire cutting opening 22 arranged on one side of the wire breaking frame 21, and a vertical groove 23 arranged on the top of the wire breaking frame 21 and communicated with the wire cutting opening 22; a cutter 24 is connected in the vertical groove 23 in a sliding manner along the vertical direction, a wire breaking cylinder 25 is installed at the top of the wire breaking frame 21, and a piston rod of the wire breaking cylinder 25 is detachably connected to the top of the cutter 24. When a copper wire needs to be cut off, the wire breaking cylinder 25 is started, the piston rod of the wire breaking cylinder 25 drives the cutter 24 to move downwards, and the cutter 24 moves downwards to cut off the copper wire; in conclusion, the wire cutting device 2 is additionally arranged on the winding machine, so that the copper wire is conveniently cut, and the labor intensity of operators can be reduced.

As shown in fig. 2 and 3, a connecting mechanism 3 is installed between the cutting knife 24 and the piston rod of the wire breaking cylinder 25, and the connecting mechanism 3 includes an insert block 31 fixedly connected to the bottom of the piston rod of the wire breaking cylinder 25 and a first slot 32 provided at the top of the cutting knife 24 for the insert block 31 to be inserted; the two ends of the first slot 32 are respectively provided with a fixing component 33 for fixing the insert block 31, the two ends of the first slot 32 are respectively provided with a horizontal groove 321, each group of fixing components 33 comprises a horizontal rod 331 sliding along the length direction of the first slot 32, a first spring 332 sleeved on the horizontal rod 331 and a limiting block 333 fixedly connected to one end of the horizontal rod 331 far away from the horizontal groove 321; the limiting blocks 333 are connected to the horizontal grooves 321 in a sliding manner, opposite ends of the two first springs 332 are respectively and fixedly connected to the far ends of the two limiting blocks 333, and the far ends of the two first springs 332 are respectively and fixedly connected to two ends of the first slot 32; two ends of the insertion block 31 are respectively provided with a first inclined surface 334, the opposite inner sides of the two limit blocks 333 are respectively provided with a second inclined surface 335, the two first inclined surfaces 334 are respectively matched with the two second inclined surfaces 335, and the top of the insertion block 31 can be abutted against the bottoms of the two limit blocks 333; as shown in fig. 4, a driving mechanism 4 for driving the two limit blocks 333 to move away from each other is installed on the top of the cutter 24. When the cutting knife 24 needs to be installed, the cutting knife 24 is firstly placed at the bottom of the wire cutting opening 22, and then the air inlet pressure of the wire breaking cylinder 25 is adjusted to be minimum through the adjusting valve of the wire breaking cylinder 25, so that the inserting block 31 is aligned to the first inserting groove 32 conveniently; after the plug block 31 is aligned with the first slot 32, the air inlet pressure of the wire breaking cylinder 25 is adjusted to a normal state through the adjusting valve of the wire breaking cylinder 25, then the wire breaking cylinder 25 is started, the piston rod of the wire breaking cylinder 25 drives the plug block 31 to move downwards, at this time, the plug block 31 drives the two limit blocks 333 to move away from each other under the action of the first inclined surface 334 and the second inclined surface 335, the limit blocks 333 move to press the first spring 332, and at this time, the first spring 332 is in a compressed state; after the insertion block 31 passes between the two limit blocks 333 and abuts against the bottoms of the limit blocks 333, the two limit blocks 333 approach each other under the action of the two first springs 332, so that the insertion block 31 can be limited; when the cutter 24 needs to be detached, the two limit blocks 333 are driven to be away from each other through the driving mechanism 4, so that the insert block 31 can be separated from the first slot 32, and the cutter 24 can be detached; cutter 24 is dull easily under the condition of long-time cutting copper line, so need often pull down cutter 24 and polish, through setting up coupling mechanism 3 and actuating mechanism 4, is convenient for carry out the dismouting to cutter 24, therefore is convenient for pull down cutter 24 and maintains.

The driving mechanism 4 comprises a first chute 41 arranged at the top of the cutter 24 and two driving blocks 42 connected to two ends of the first chute 41 in a sliding manner along the length direction of the first chute 41; a lead screw 43 is rotatably connected in the first chute 41, a left thread 431 and a right thread 432 are respectively arranged at two ends of the lead screw 43, and the two driving blocks 42 are respectively in threaded connection with the left thread 431 and the right thread 432; connecting rods 44 are fixedly connected to one sides, close to the screw 43, of the two limiting blocks 333 respectively, circular rings 45 are fixedly connected to one ends, far away from the limiting blocks 333, of the two connecting rods 44 respectively, the two circular rings 45 are both sleeved on the screw 43 and can slide along the axial direction of the screw 43, and the two driving blocks 42 are located between the two circular rings 45; and a driving assembly 46 for driving the screw 43 to rotate is arranged on one side of the wire breaking frame 21. When the two limiting blocks 333 are required to be driven to be away from each other, the driving assembly 46 drives the screw 43 to rotate, the screw 43 drives the two driving blocks 42 to be away from each other in a rotating manner, and the two driving blocks 42 are away from each other to drive the two limiting blocks 333 to be away from each other; by arranging the driving mechanism 4, the two limit blocks 333 can be driven to be away from each other conveniently.

As shown in fig. 4 and 5, the driving assembly 46 includes a circular hole 461 opened at one side of the wire breaking frame 21, a circular rod 462 slidably connected to the circular hole 461 along the axial direction of the circular hole 461, and a driving portion 463 fixedly connected to one end of the circular rod 462 far away from the lead screw 43; a square block 464 is fixedly connected to the end face of the round rod 462 close to the lead screw 43, one end of the lead screw 43 penetrates through one side of the cutter 24 close to the round rod 462, and a square groove 465 for the square block 464 to be inserted is formed in the end face of the lead screw 43 close to the round rod 462; as shown in fig. 6, a stopper 47 for stopping the stopper 464 is installed in the rectangular groove 465. The square block 464 is inserted into the square groove 465 by moving the round rod 462, then the square block 464 is limited by the limiting component 47, then the round rod 462 is rotated by the rotation driving part 463, and the round rod 462 rotates to drive the screw 43 to rotate, so that the limiting blocks 333 are driven to be away from each other conveniently; when the insert block 31 is required to be separated from the first slot 32, the square block 464 is separated from the square slot 465 by moving the round rod 462, so that the insert block 31 can be separated from the first slot 32; in summary, the driving assembly 46 is provided to facilitate the rotation of the lead screw 43.

The limiting component 47 includes two first abutting blocks 471 slidably connected to two ends of the square groove 465 along the length direction of the square groove 465 respectively, and two second springs 472 fixedly connected to the two ends of the two first abutting blocks 471, which are far away from each other; the ends far away from each other of the two second springs 472 are respectively fixedly connected to the two ends of the square groove 465; the opposite inner sides of the two first abutting blocks 471 are respectively provided with a third inclined surface 473, the two sides of the square block 464 are respectively provided with a fourth inclined surface 474, and the two third inclined surfaces 473 are respectively matched with the two fourth inclined surfaces 474. The square block 464 is inserted into the square groove 465 by moving the round rod 462, at this time, the square block 464 drives the two first abutting blocks 471 to move away from each other under the action of the third inclined surface 473 and the fourth inclined surface 474, the first abutting blocks 471 move to compress the second spring 472, and at this time, the second spring 472 is in a compressed state; after the square block 464 is inserted into the square groove 465, the first abutting block 471 abuts against the square block 464 under the action of the second spring 472, so that the possibility of separation of the square block 464 and the square groove 465 can be reduced.

As shown in fig. 5 and 7, a first limiting mechanism 5 for limiting the circular rod 462 is installed at one side of the wire breaking frame 21, and the first limiting mechanism 5 includes a horizontal plate 51 vertically fixed to one side of the wire breaking frame 21, a plug 52 connected to the horizontal plate 51 in a sliding manner in the vertical direction, a stopper 53 sleeved and fixed on the plug 52, and a plurality of second slots 54 sequentially opened on the outer circumferential surface of the circular rod 462 along the circumferential direction of the circular rod 462; one end of the bolt 52 penetrates through the horizontal plate 51 to be inserted into the second slot 54, and the other end is fixedly connected with a first handle 55; the stop 53 is between the horizontal plate 51 and the round bar 462; the bolt 52 is sleeved with a third spring 56, and two ends of the third spring 56 are respectively fixedly connected with the horizontal plate 51 and the stop block 53; a second limiting mechanism 6 for limiting the plug 52 is mounted on the top of the horizontal plate 51. When the round rod 462 needs to be moved, the bolt 52 is separated from the second slot 54 by pulling the first handle 55, then the round rod 462 can be moved, the bolt 52 moves to drive the stop block 53 to move, the stop block 53 moves to press the third spring 56, and at this time, the third spring 56 is in a compressed state; when the round rod 462 needs to be limited, the bolt 52 is aligned to the second slot 54 by pulling the round rod 462, then the first handle 55 is released, and at this time, the stopper 53 drives the bolt 52 to be inserted into the second slot 54 under the action of the third spring 56, so that the round rod 462 can be limited, and the operation is simple and convenient.

The second limiting mechanism 6 comprises a through hole 61 arranged on the horizontal plate 51, a connecting pipe 62 which is rotatably connected with the through hole 61 and is vertically arranged, a plurality of spiral grooves 63 arranged on the inner wall of the connecting pipe 62, a plurality of spiral blocks 64 fixedly connected with the outer side wall of the plug 52, an annular block 65 which is sleeved and fixed on the outer side wall of the top of the connecting pipe 62, and a plug-in assembly 66 which is arranged on the top of the horizontal plate 51 and is used for fixing the annular block 65; the plurality of screw blocks 64 are fitted with the plurality of screw grooves 63 in a one-to-one correspondence. The bolt 52 moves to drive the spiral block 64 to move, at the moment, the connecting pipe 62 rotates under the action of the spiral block 64 and the spiral groove 63, the connecting pipe 62 rotates to drive the annular block 65 to rotate, then the annular block 65 is fixed through the plugging assembly 66, so that the connecting pipe 62 can be fixed, the bolt 52 is further fixed, and therefore, an operator can conveniently rotate the round rod 462.

The plug-in assembly 66 comprises a vertical block 661 vertically fixed on the top of the horizontal plate 51, a horizontal block 662 fixed on the top of the vertical block 661, a pull rod 663 vertically slidably connected to the horizontal block 662, a second abutting block 664 fixed on the bottom of the pull rod 663, a second handle 665 fixed on the top of the pull rod 663, and a fourth spring 666 sleeved on the pull rod 663; a tie rod 663 is disposed through the horizontal block 662; two ends of the fourth spring 666 are respectively and fixedly connected to the second abutting block 664 and the horizontal block 662; a plurality of through holes 651 are formed in one end of the annular block 65 along the circumferential direction, and one end of the pull rod 663, which is far away from the second handle 665, is inserted into the through holes 651. When the annular block 65 needs to be fixed, the pull rod 663 is pulled by pulling the second handle 665, the pull rod 663 moves to drive the second abutting block 664 to move, the second abutting block 664 moves to abut against the fourth spring 666, and the fourth spring 666 is in a compressed state at the moment; after the ring-shaped block 65 is rotated to a proper position, the second handle 665 is released, at the moment, the second abutting block 664 moves towards the direction close to the ring-shaped block 65 under the action of the fourth spring 666, so that the pull rod 663 is inserted into the through hole 651, the ring-shaped block 65 can be fixed, and the operation is simple and convenient.

As shown in fig. 2, the knife collecting assembly 7 is mounted on the wire breaking frame 21, and the knife collecting assembly 7 includes a knife collecting cylinder 71 horizontally mounted on the wire breaking frame 21 and a knife collecting frame 72 fixedly connected to a piston rod of the knife collecting cylinder 71; the top of the knife retracting frame 72 is provided with a knife retracting groove 73, and the bottom of the knife retracting groove 73 is fixedly connected with a rubber layer. The knife collecting frame 72 is arranged to facilitate the collection of the cutting knife 24, so that the rigid contact between the cutting knife 24 and the bottom of the cutting opening 22 can be reduced.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A transformer production process, comprising: s1, a preparation process; s2, winding I; s3, winding II; s4, encapsulating; s5, shaping and encapsulating; s6, trimming and stripping paint; s7, assembling the iron core; s8, measuring the induction high voltage; s9, bundling a steel belt, and measuring the high voltage of an inductor; s10, appearance inspection and vacuum paint dipping; s11, trimming, stripping paint and tinning; s12, stranding lead wires; s13, lead welding and encapsulation; s14, folding lines, heat-shrinkable sleeves and binding lines; s15, electrically testing QC; s16, labeling type number mark; s17, appearance inspection; s18, packaging; the method is characterized in that: the step S2: firstly, pressing a reset key of the winding machine, and then enabling the copper wire to sequentially pass through a wire guide wheel, a wire breaking device (2) and a winding device of the winding machine; then, winding the copper wire on the coil rack through a winding device, and cutting the copper wire through a wire breaking device (2) after the copper wire on the coil rack is wound; the winding machine comprises a machine table (1), the wire breaking device (2) comprises a wire breaking frame (21) fixedly connected to the top of the machine table (1), a wire cutting opening (22) formed in one side of the wire breaking frame (21), and a vertical groove (23) formed in the top of the wire breaking frame (21) and communicated with the wire cutting opening (22); a cutter (24) is connected in the vertical groove (23) in a sliding manner along the vertical direction, a wire breaking cylinder (25) is installed at the top of the wire breaking frame (21), and a piston rod of the wire breaking cylinder (25) is detachably connected to the top of the cutter (24);

a connecting mechanism (3) is arranged between the cutter (24) and a piston rod of the wire breaking cylinder (25), and the connecting mechanism (3) comprises an inserting block (31) fixedly connected to the bottom of the piston rod of the wire breaking cylinder (25) and a first inserting groove (32) which is arranged at the top of the cutter (24) and is used for inserting the inserting block (31); the two ends of the first slot (32) are respectively provided with a fixing component (33) for fixing the insert block (31), the two ends of the first slot (32) are respectively provided with a horizontal groove (321), and each group of fixing components (33) comprises a horizontal rod (331) sliding along the length direction of the first slot (32), a first spring (332) sleeved on the horizontal rod (331) and a limiting block (333) fixedly connected to one end, far away from the horizontal groove (321), of the horizontal rod (331); the limiting blocks (333) are connected to the horizontal groove (321) in a sliding mode, opposite ends of the two first springs (332) are fixedly connected to the far ends of the two limiting blocks (333) respectively, and the far ends of the two first springs (332) are fixedly connected to two ends of the first slot (32) respectively; two ends of the inserting block (31) are respectively provided with a first inclined surface (334), the opposite inner sides of the two limiting blocks (333) are respectively provided with a second inclined surface (335), the two first inclined surfaces (334) are respectively matched with the two second inclined surfaces (335), and the top of the inserting block (31) can abut against the bottoms of the two limiting blocks (333); and a driving mechanism (4) for driving the two limiting blocks (333) to be away from each other is arranged at the top of the cutter (24).

2. The process for producing a transformer according to claim 1, wherein: the driving mechanism (4) comprises a first sliding chute (41) arranged at the top of the cutter (24) and two driving blocks (42) which are connected to the two ends of the first sliding chute (41) in a sliding manner along the length direction of the first sliding chute (41); a lead screw (43) is rotatably connected in the first sliding groove (41), two ends of the lead screw (43) are respectively provided with a left thread (431) and a right thread (432), and the two driving blocks (42) are respectively in threaded connection with the left thread (431) and the right thread (432); one side, close to the lead screw (43), of each of the two limiting blocks (333) is fixedly connected with a connecting rod (44), one end, far away from the limiting blocks (333), of each of the two connecting rods (44) is fixedly connected with a circular ring (45), the two circular rings (45) are sleeved on the lead screw (43) and can slide along the axial direction of the lead screw (43), and the two driving blocks (42) are located between the two circular rings (45); and a driving assembly (46) for driving the screw rod (43) to rotate is mounted on one side of the wire breaking frame (21).

3. The process for producing a transformer according to claim 2, wherein: the driving assembly (46) comprises a round hole (461) arranged on one side of the wire breaking frame (21), a round rod (462) connected to the round hole (461) in a sliding manner along the axial direction of the round hole (461), and a driving part (463) fixedly connected to one end, far away from the lead screw (43), of the round rod (462); a square block (464) is fixedly connected to the end face of one end, close to the lead screw (43), of the round rod (462), one end of the lead screw (43) penetrates through one side, close to the round rod (462), of the cutter (24), and a square groove (465) for the square block (464) to be inserted is formed in the end face of one end, close to the round rod (462), of the lead screw (43); and a limiting component (47) used for limiting the square block (464) is arranged in the square groove (465).

4. A process for producing a transformer according to claim 3, wherein: the limiting assembly (47) comprises two first abutting blocks (471) which are connected to two ends of the square groove (465) in a sliding mode along the length direction of the square groove (465) and two second springs (472) which are fixedly connected to the ends, far away from each other, of the two first abutting blocks (471) respectively; the ends, far away from each other, of the two second springs (472) are fixedly connected to the two ends of the square groove (465) respectively; the opposite inner sides of the two first abutting blocks (471) are respectively provided with a third inclined surface (473), the two sides of the square block (464) are respectively provided with a fourth inclined surface (474), and the two third inclined surfaces (473) are respectively matched with the two fourth inclined surfaces (474).

5. The process for producing a transformer according to claim 1, wherein: a first limiting mechanism (5) used for limiting the round rod (462) is installed on one side of the wire breaking frame (21), and the first limiting mechanism (5) comprises a horizontal plate (51) vertically and fixedly connected to one side of the wire breaking frame (21), a plug pin (52) connected to the horizontal plate (51) in a sliding mode along the vertical direction, a stop block (53) fixedly sleeved on the plug pin (52) and a plurality of second slots (54) sequentially formed in the outer peripheral surface of the round rod (462) along the circumferential direction of the round rod (462); one end of the plug pin (52) penetrates through the horizontal plate (51) to be plugged with the second slot (54), and the other end of the plug pin is fixedly connected with a first handle (55); the stop block (53) is positioned between the horizontal plate (51) and the round rod (462); a third spring (56) is sleeved on the bolt (52), and two ends of the third spring (56) are respectively and fixedly connected with the horizontal plate (51) and the stop block (53); and a second limiting mechanism (6) for limiting the bolt (52) is arranged at the top of the horizontal plate (51).

6. The process for producing a transformer according to claim 5, wherein: the second limiting mechanism (6) comprises a through hole (61) arranged on the horizontal plate (51), a connecting pipe (62) which is rotatably connected to the through hole (61) and is vertically arranged, a plurality of spiral grooves (63) arranged on the inner wall of the connecting pipe (62), a plurality of spiral blocks (64) fixedly connected to the outer side wall of the bolt (52), an annular block (65) fixedly sleeved on the outer side wall of the top of the connecting pipe (62) and a plug-in assembly (66) arranged on the top of the horizontal plate (51) and used for fixing the annular block (65); the plurality of spiral blocks (64) are matched with the plurality of spiral grooves (63) in a one-to-one correspondence mode.

7. The process for producing a transformer according to claim 6, wherein: the plug-in assembly (66) comprises a vertical block (661) vertically fixedly connected to the top of the horizontal plate (51), a horizontal block (662) fixedly connected to the top of the vertical block (661), a pull rod (663) vertically slidably connected to the horizontal block (662), a second abutting block (664) fixedly connected to the bottom of the pull rod (663), a second handle (665) fixedly connected to the top of the pull rod (663), and a fourth spring (666) sleeved on the pull rod (663); the pull rod (663) penetrates through the horizontal block (662); two ends of the fourth spring (666) are fixedly connected to the second abutting block (664) and the horizontal block (662) respectively; a plurality of through holes (651) are formed in one end of the annular block (65) along the circumferential direction of the annular block, and one end, far away from the second handle (665), of the pull rod (663) is inserted into the through holes (651).

8. The process for producing a transformer according to claim 1, wherein: the knife collecting assembly (7) is mounted on the wire breaking frame (21), and the knife collecting assembly (7) comprises a knife collecting cylinder (71) horizontally mounted on the wire breaking frame (21) and a knife collecting frame (72) fixedly connected to a piston rod of the knife collecting cylinder (71); the top of the tool retracting frame (72) is provided with a tool retracting groove (73).