CN115512958B

CN115512958B - Stacking equipment for transformer iron core

Info

Publication number: CN115512958B
Application number: CN202211462342.6A
Authority: CN
Inventors: 徐永刚; 徐传坤; 李珍元; 冯志君
Original assignee: Shandong Putian Power Equipment Co ltd
Current assignee: Shandong Putian Power Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2042-11-17
Also published as: CN115512958A

Abstract

The invention relates to the field of transformers, in particular to a stacking device for transformer cores, which comprises a support frame and a double-shaft moving mechanism fixedly arranged on the support frame, wherein a double-station stacking disc is fixedly arranged at the bottom of the support frame in a horizontal state and used for stacking the transformer cores; the feeding mechanism is fixedly arranged at the bottom of the support frame in a horizontal state and is used for conveying the transformer silicon steel sheets into a working area; comprises a plurality of bidirectional material taking mechanisms which are used for adsorbing the airless pump adsorption mechanisms of the silicon steel sheets. The silicon steel sheet is grabbed by the airless pump adsorption mechanism, so that the equipment is free from the requirement of an air pump, the trouble of installation is reduced, the abrasion of an air pipe is eliminated, and the error probability of the equipment is greatly reduced due to a pure mechanical structure; the fed silicon steel sheets are positioned by the elastic guide assembly, so that the stacking precision is greatly improved, and the quality of finished products is improved; uninterrupted operation of the equipment is realized through the double-station stacking plate, and the production efficiency is greatly improved.

Description

Stacking equipment for transformer iron core

Technical Field

The invention relates to the field of transformers, in particular to a stacking device for transformer cores.

Background

The core is the main magnetic circuit part in the transformer. Usually made by stacking hot-rolled or cold-rolled silicon steel sheets containing silicon in a high content and coated with an insulating varnish on their surface. The iron core and the coil wound on the iron core form a complete electromagnetic induction system. The amount of power transmitted by the power transformer depends on the material and cross-sectional area of the core.

The existing transformer stacking process is divided into manual stacking or automatic stacking, time and labor are wasted in manual stacking, a large gap possibly exists between transformers which are completed in stacking, the quality cannot reach the standard, an air pump is adopted to match a double-shaft moving mechanism to adsorb and stack silicon steel sheets in the existing automatic stacking technology, air pipes are complicated to run, and fine operation in the working process is prone to errors.

Disclosure of Invention

In view of the above, it is necessary to provide a stacking apparatus for transformer cores, which addresses the problems of the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the utility model provides a closed assembly equipment for transformer core, includes support frame and the fixed biax moving mechanism that sets up on the support frame, still includes:

the double-station stacking plate is fixedly arranged at the bottom of the support frame in a horizontal state and used for stacking transformer cores;

the feeding mechanism is fixedly arranged at the bottom of the support frame in a horizontal state and used for conveying the transformer silicon steel sheets into a working area, and comprises two longitudinal feeding assemblies and two transverse feeding assemblies, wherein the two longitudinal feeding assemblies are fixedly arranged on one side of the double-station stacking disc and arranged in the same direction with the moving direction of the double-station stacking disc, the two transverse feeding assemblies are fixedly arranged on the other side of the stacking disc and arranged perpendicular to the moving direction of the double-station stacking disc, and the transverse feeding assemblies and the longitudinal feeding assemblies are identical in structure;

the bidirectional material taking mechanism is fixedly arranged on the output end of the double-shaft moving mechanism in a horizontal state, is used for sequentially grabbing the silicon steel sheets conveyed by the transverse feeding assembly and the longitudinal feeding assembly and stacking the silicon steel sheets on the double-station stacking tray, and comprises a plurality of airless pump adsorption mechanisms used for adsorbing the silicon steel sheets.

Further, two-way feeding agencies include and get a mechanism with horizontal feeding component complex first to and get a mechanism with vertical feeding component complex second, and first get a mechanism and get a mechanism structure the same with the second, and the two is all including being the fixed sliding mounting panel that sets up on biax moving mechanism's output of horizontality, and the fixed airless pump adsorption apparatus who is the vertical state and establishs that is provided with in sliding mounting panel bottom is constructed.

Further, each airless pump adsorption mechanism includes:

the top of each guide post is fixedly connected with a bolt with the bottom penetrating through the adjusting mounting groove, and the bottom of each guide post is provided with a limit boss in a horizontal state;

the sucking disc mounting plate is movably arranged at the lower ends of the two guide posts in a horizontal state and can slide up and down along the guide posts, and the bottom of the sucking disc mounting plate is abutted against the top of the limiting boss;

the two adsorption assemblies are symmetrically arranged at the bottom of the sucker mounting plate in a vertical state and are used for adsorbing silicon steel sheets;

two self-adaptation springs, the guide post outside that corresponds is located to the movable sleeve, and every self-adaptation spring's top all is contradicted with the sliding mounting board bottom, and the bottom all is inconsistent with sucking disc mounting panel top.

Further, each adsorption component comprises:

the bottom of the sucker mounting plate is provided with two mounting sleeves which are arranged in a vertical state, the hollow fixing shaft is rotatably arranged in the corresponding mounting sleeves, the top of the hollow fixing shaft is abutted against the bottom of the sucker mounting plate, the bottom of the hollow fixing shaft is provided with a step ring which is arranged in a horizontal state, the middle of the hollow fixing shaft is provided with an exhaust hole which is arranged in a horizontal state, and the lower end of the mounting sleeve is provided with an air outlet hole which corresponds to the exhaust hole;

the adsorption disc is fixedly arranged at the bottom of the hollow fixed shaft in a horizontal state, a fixed step hole for accommodating the step ring is formed at the bottom of the adsorption disc, the bottom of the adsorption disc is abutted against the top of the step ring, and the top of the adsorption disc is abutted against the bottom of the mounting sleeve;

the sliding thimble is coaxially and movably arranged in the hollow fixed shaft, a guide hole for the sliding thimble to pass through is formed in the top of the sucker mounting plate, a limiting ring which is arranged in a horizontal state is formed in the top of the sliding thimble, and the bottom of the limiting ring is abutted against the top of the sucker mounting plate;

the exhaust sliding block is coaxially and rotatably arranged in the middle of the sliding thimble, and a rubber coating layer which is abutted against the inner wall of the hollow fixed shaft is formed on the peripheral side of the exhaust sliding block, so that air in the adsorption disc cannot be exhausted from the exhaust hole;

the buffer reset spring is coaxially sleeved outside the sliding thimble, the bottom of the buffer reset spring is abutted to the top of the exhaust sliding block, and the top of the buffer reset spring is abutted to the top of the sucker mounting plate.

Further, each transverse feeding assembly comprises:

the conveying belt is fixedly arranged on one side of the double-station stacking tray in a horizontal state and is perpendicular to the moving direction of the double-station stacking tray, and side mounting plates which are arranged in a vertical state are formed on two sides of the conveying belt;

the two elastic guide assemblies are fixedly arranged on the inner side of one side mounting plate in a horizontal state;

and the limiting plate is fixedly arranged at one end, close to the double-station stacking plate, of the transmission belt, so that the silicon steel sheet stops conveying the foundation forwards after abutting against the limiting plate.

Further, each elastic guide assembly comprises:

the adjusting bolts are horizontally arranged on the side mounting plate, and the threaded ends of the adjusting bolts penetrate through the side mounting plate and extend inwards;

the centering plate is fixedly arranged on the threaded end of the adjusting bolt in a horizontal state, the bottom of the centering plate is abutted against the top of the transmission belt, and an arc-shaped guide opening for guiding the silicon steel sheet is formed at one end, away from the double-station stacking plate, of the centering plate;

and the buffer springs are coaxially sleeved outside the corresponding adjusting bolts in a one-to-one correspondence manner, one end of each buffer spring is abutted to the centering plate, and the other end of each buffer spring is abutted to the side mounting plate.

Furthermore, the double-station stacking tray comprises two replacement slide rails which are fixedly arranged at the bottom of the support frame and perpendicular to the horizontal moving direction of the double-shaft moving mechanism, a first stacking tray which is movably arranged at one end of the tops of the two replacement slide rails, and a second stacking tray which is movably arranged at the other end of the tops of the two replacement slide rails, wherein the first stacking tray and the second stacking tray have the same structure.

Further, the first stacking tray comprises:

the four replacing sliding blocks are arranged at the tops of the two replacing sliding rails in a group two by two and can slide along the replacing sliding rails;

the stacking plate is fixedly arranged on the tops of the four replacing slide blocks in a horizontal state, and a meter-shaped adjusting groove is formed in the stacking plate;

a plurality of closed assembly stoppers, the bolt fastening that passes meter word adjustment tank through a plurality of vertical states sets up on the closed assembly board, and a plurality of closed assembly stoppers can be through meter word adjustment tank and bolt adjustment interval each other.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the stacking equipment for the transformer iron core provided by the invention can be used for grabbing silicon steel sheets through the air-pump-free adsorption mechanism, so that the equipment is free from the requirement of an air pump, the trouble of installation is reduced, the abrasion of an air pipe is omitted, and the error probability of the equipment is greatly reduced through a pure mechanical structure;

secondly, the stacking equipment for the transformer iron core firstly positions the fed silicon steel sheets through the elastic guide assembly, so that the stacking precision is greatly improved, and the quality of finished products is improved;

thirdly, the stacking equipment for the transformer iron core realizes uninterrupted operation of the equipment through the double-station stacking disc, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a perspective view of the lateral feed assembly of the present invention;

FIG. 5 is a schematic perspective view of a double-station stacking tray according to the present invention;

FIG. 6 is an exploded perspective view of the airless pump attachment mechanism of the present invention;

FIG. 7 isbase:Sub>A half sectional view taken at A-A in FIG. 3;

FIG. 8 is a partial schematic view of FIG. 2 at a;

fig. 9 is a partial schematic view at b of fig. 7.

The reference numbers in the figures are: 1. a support frame; 2. a biaxial movement mechanism; 3. a feeding mechanism; 4. a bidirectional material taking mechanism; 5. stacking the plates at double stations; 6. a transverse feeding assembly; 7. a longitudinal feeding assembly; 8. a first pickup mechanism; 9. a second pickup mechanism; 10. a first stacking tray; 11. a second stacking tray; 12. an air pump adsorption mechanism is not needed; 13. an elastic guide member; 14. a slide mounting plate; 15. adjusting the mounting groove; 16. a sucker mounting plate; 17. installing a sleeve; 18. an air outlet; 19. a guide hole; 20. a guide post; 21. a limiting boss; 22. an adsorption component; 23. a hollow fixed shaft; 24. a step ring; 25. an exhaust hole; 26. an adsorption tray; 27. fixing the step hole; 28. sliding the thimble; 29. a limiting ring; 30. an exhaust slider; 31. a rubber coating layer; 32. a buffer return spring; 33. a conveyor belt; 34. a side mounting plate; 35. a centering plate; 36. an arc-shaped guide port; 37. adjusting the bolt; 38. a buffer spring; 39. a limiting plate; 40. replacing the slide rail; 41. replacing the slide block; 42. stacking the plates; 43. a meter-shaped adjusting groove; 44. stacking a limiting block; 45. an adaptive spring.

Detailed Description

For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the invention.

Referring to fig. 1 to 9, a stacking apparatus for transformer cores includes a supporting frame 1 and a dual-axis moving mechanism 2 fixedly disposed on the supporting frame 1, and further includes: the double-station stacking plate 5 is fixedly arranged at the bottom of the support frame 1 in a horizontal state and used for stacking transformer cores; the feeding mechanism 3 is fixedly arranged at the bottom of the support frame 1 in a horizontal state and is used for conveying transformer silicon steel sheets into a working area, and comprises two longitudinal feeding assemblies 7 which are fixedly arranged on one side of the double-station stacking disc 5 and arranged in the same direction with the moving direction of the double-station stacking disc 5, and three transverse feeding assemblies 6 which are fixedly arranged on the other side of the double-station stacking disc 5 and arranged perpendicular to the moving direction of the double-station stacking disc 5, wherein the transverse feeding assemblies 6 and the longitudinal feeding assemblies 7 are identical in structure; the bidirectional material taking mechanism 4 is fixedly arranged on the output end of the double-shaft moving mechanism 2 in a horizontal state, is used for sequentially grabbing the silicon steel sheets conveyed by the transverse feeding assembly 6 and the longitudinal feeding assembly 7, is stacked on the double-station stacking tray 5, and comprises a plurality of airless suction mechanisms 12 for sucking the silicon steel sheets.

Silicon steel sheets are conveyed to two sides of the double-station stacking tray 5 by the longitudinal feeding assembly 7 and the transverse feeding assembly 6 according to a set direction, then the double-shaft moving mechanism 2 drives the double-direction material taking mechanism 4 to move, the silicon steel sheets on the longitudinal feeding assembly 7 and the transverse feeding assembly 6 are sequentially and repeatedly stacked on the double-station stacking tray 5, the horizontal height of the feeding mechanism 3 is slightly lower than the horizontal height of a stacking area of the double-station stacking tray 5, the air pump-free adsorption mechanism 12 on the double-direction material taking mechanism 4 can complete adsorption on the silicon steel sheets on the feeding mechanism 3 through the height difference, and the silicon steel sheets are put down and stacked on the double-station stacking tray 5.

Further, the bidirectional material taking mechanism 4 comprises a first piece taking mechanism 8 matched with the transverse feeding assembly 6 and a second piece taking mechanism 9 matched with the longitudinal feeding assembly 7, the first piece taking mechanism 8 and the second piece taking mechanism 9 are identical in structure and comprise sliding mounting plates 14 fixedly arranged on the output ends of the double-shaft moving mechanisms 2 in a horizontal state, and a plurality of airless pump adsorption mechanisms 12 arranged in a vertical state are fixedly arranged at the bottoms of the sliding mounting plates 14.

The sliding mounting plate 14 is fixedly arranged at the output end of the double-shaft moving mechanism 2 and drives the plurality of airless pump adsorption mechanisms 12 to move along with the double-shaft moving mechanism 2.

Further, each airless pump adsorption mechanism 12 includes: the two guide posts 20 are fixedly arranged at the bottom of the sliding mounting plate 14 in a vertical state, a plurality of adjusting mounting grooves 15 are formed in the sliding mounting plate 14, the top of each guide post 20 is fixedly connected with a bolt of which the bottom penetrates through the adjusting mounting groove 15, and a limiting boss 21 which is arranged in a horizontal state is formed at the bottom of each guide post 20; the sucking disc mounting plates 16 are movably arranged at the lower ends of the two guide posts 20 in a horizontal state and can slide up and down along the guide posts 20, and the bottoms of the sucking disc mounting plates 16 are abutted against the tops of the limiting bosses 21; the two adsorption assemblies 22 are symmetrically arranged at the bottom of the sucker mounting plate 16 in a vertical state and are used for adsorbing silicon steel sheets; two self-adaptation springs 45, the guide post 20 outside that corresponds is located to the movable sleeve, and the top of every self-adaptation spring 45 all offsets with sliding mounting plate 14 bottom, and the bottom all offsets with sucking disc mounting panel 16 top.

The sucking disc mounting panel 16 activity sets up in the guide post 20 lower extreme and can slide from top to bottom along the guide post 20, sucking disc mounting panel 16 bottom is fixed and is provided with two adsorption component 22, adsorption component 22 can be along the guide post 20 up-and-down motion promptly, be provided with two self-adaptation springs 45 between sucking disc mounting panel 16 and the sliding mounting panel 14, after a silicon steel sheet had piled up on double-station pile dish 5, two-way extracting mechanism 4 continues to push down in order to guarantee that another sliding mounting panel 14 can adsorb the silicon steel sheet on the feeding mechanism 3, self-adaptation spring 45 is compressed.

Further, each adsorption assembly 22 includes: the bottom of the sucker mounting plate 16 is provided with two vertical mounting sleeves 17, the hollow fixing shaft 23 is rotatably arranged in the corresponding mounting sleeve 17, the top of the hollow fixing shaft 23 is abutted against the bottom of the sucker mounting plate 16, the bottom of the hollow fixing shaft 23 is provided with a horizontal step ring 24, the middle of the hollow fixing shaft is provided with a horizontal exhaust hole 25, and the lower end of the mounting sleeve 17 is provided with an air outlet 18 corresponding to the exhaust hole 25; the adsorption disc 26 is fixedly arranged at the bottom of the hollow fixed shaft 23 in a horizontal state, a fixed step hole 27 for accommodating the step ring 24 is formed at the bottom of the adsorption disc 26, the bottom of the adsorption disc 26 is abutted against the top of the step ring 24, and the top of the adsorption disc is abutted against the bottom of the mounting sleeve 17; the sliding ejector pin 28 is coaxially and movably arranged in the hollow fixed shaft 23, a guide hole 19 for the sliding ejector pin 28 to pass through is formed in the top of the sucker mounting plate 16, a limiting ring 29 which is arranged in a horizontal state is formed in the top of the sliding ejector pin 28, and the bottom of the limiting ring 29 is abutted against the top of the sucker mounting plate 16; an exhaust slider 30 coaxially and rotatably arranged at the middle part of the sliding thimble 28, wherein a rubber coating layer 31 which is in contact with the inner wall of the hollow fixed shaft 23 is formed on the peripheral side of the exhaust slider 30, so that the air in the adsorption disc 26 can not be exhausted from the exhaust hole 25; and the buffering return spring 32 is coaxially and movably sleeved outside the sliding thimble 28, the bottom of the buffering return spring 32 is abutted against the top of the exhaust sliding block 30, and the top of the buffering return spring is abutted against the top of the sucker mounting plate 16.

When the material is taken, the adsorption component 22 descends, the bottom of the adsorption disc 26 contacts with the silicon steel sheet, because the top of the adsorption disc 26 is fixed by the hollow fixed shaft 23 and the mounting sleeve 17, the air in the adsorption disc 26 can only pass through the hollow fixed shaft 23, because in the initial state, the exhaust slider 30 is pressed tightly by the buffer return spring 32, the rubber coating layer 31 blocks the exhaust hole 25, the air can not be exhausted from the exhaust hole 25, along with the continuous downward pressing of the adsorption component 22, the air pressure in the adsorption disc 26 increases strongly until the air is extruded from the bottom edge of the adsorption disc 26, the air in the adsorption disc 26 is gradually exhausted, the air stops before the silicon steel sheet contacts with the sliding thimble 28 and starts to ascend, because the exhaust slider 30 is fixedly arranged on the sliding thimble 28, the top of the sliding thimble 28 is formed with the limit ring 29 to prevent the sliding thimble 28 from moving downwards, therefore, the total amount of the air in the adsorption disc 26 does not change during the ascending process, the adsorption disc 26 can tightly adsorb the silicon steel sheets in the lifting process under the action of the external air pressure, when the silicon steel sheets are placed on the double-station stacking disc 5, the adsorption assembly 22 descends, the bottoms of the silicon steel sheets are abutted against the double-station stacking disc 5 or the previously stacked silicon steel sheets, at the moment, the adsorption assembly 22 which absorbs the iron accessory raw materials on the other side cannot absorb the silicon steel sheets under the action of the height difference, the adsorption assembly 22 continuously descends until the stacked silicon steel sheets are abutted against the bottom of the sliding ejector pin 28 and pushes the sliding ejector pin 28 to ascend, the exhaust hole 25 is communicated with air in the adsorption disc 26 along with the ascending of the sliding ejector pin 28, the buffer return spring 32 is compressed and contracted, when the top of the adsorption disc 26 is abutted against the silicon steel sheets, the suction disc mounting plate 16 is compressed and the self-adaptive spring 45 starts to be compressed under the stress until the adsorption assembly 22 on the other side absorbs the silicon steel sheets, the bidirectional material taking mechanism 4 ascends, in the ascending process, the adaptive spring 45 gradually releases pressure, the bottom of the sliding thimble 28 always abuts against the silicon steel sheet, after the adaptive spring 45 returns, the adsorption disc 26 gradually separates from the silicon steel sheet, the exhaust sliding block 30 gradually returns to the original position under the action of the buffer return spring 32, however, the gliding speed of the exhaust sliding block 30 is smaller than the ascending speed of the bidirectional material taking mechanism 4 due to the action of the rubber coating layer 31, air enters the adsorption disc 26 from the exhaust hole 25, the silicon steel sheet separates from the adsorption disc 26, and thus, one cycle is completed.

Further, each transverse feeding assembly 6 comprises: the conveying belt 33 is fixedly arranged on one side of the double-station stacking tray 5 in a horizontal state and is perpendicular to the moving direction of the double-station stacking tray 5, and side mounting plates 34 which are arranged in a vertical state are formed on two sides of the conveying belt; the two elastic guide assemblies 13 are fixedly arranged on the inner side of one side mounting plate 34 in a horizontal state; and the limiting plate 39 is fixedly arranged at one end of the transmission belt close to the double-station stacking disc 5, so that the silicon steel sheet stops conveying the foundation forwards after abutting against the limiting plate 39.

The silicon steel sheet is conveyed to the double-station stacking tray 5 by the conveying belt 33, and the silicon steel sheet is located in the middle of the conveying belt 33 through the two elastic guide assemblies 13, so that the silicon steel sheet can be adsorbed to the center position when stacked every time, the specified position is stacked, and deviation is reduced.

Further, each elastic guide assembly 13 includes: a plurality of adjusting bolts 37 horizontally disposed on the side mounting plate 34, with threaded ends thereof extending inwardly through the side mounting plate 34; the centering plate 35 is fixedly arranged on the thread end of the adjusting bolt 37 in a horizontal state, the bottom of the centering plate 35 is abutted against the top of the transmission belt, and an arc-shaped guide opening 36 for guiding silicon steel sheets is formed at one end of the centering plate 35, which is far away from the double-station stacking disc 5; and a plurality of buffer springs 38 coaxially sleeved outside the corresponding adjusting bolts 37 in a one-to-one correspondence manner, wherein one end of each buffer spring 38 is abutted against the centering plate 35, and the other end is abutted against the side mounting plate 34.

Through adjusting the distance between adjusting lead screw control centering plate 35 and the side-mounting board 34, make two centering plates 35 can support the both sides of silicon steel sheet just in order to lead earlier to the silicon steel sheet, when conveyer belt 33 drove the silicon steel sheet and gets into between two centering plates 35, if not in the middle then can be guided under the effect of arc direction mouth 36 and get into between two centering plates 35, can cause the impact to centering plate 35 during, centering plate 35 can be close to towards side-mounting board 34, after the silicon steel sheet gets into two centering plates 35 effect regions, under buffer spring 38's effect, two centering plates 35 are close to and contradict silicon steel sheet both sides to the centre.

Further, the double-station stacking tray 5 comprises two replacement slide rails 40 fixedly arranged at the bottom of the support frame 1 and perpendicular to the horizontal moving direction of the double-shaft moving mechanism 2, a first stacking tray 10 movably arranged at one ends of the tops of the two replacement slide rails 40, and a second stacking tray 11 movably arranged at the other ends of the tops of the two replacement slide rails 40, wherein the first stacking tray 10 and the second stacking tray 11 have the same structure.

After the stacking on the first stacking tray 10 is completed, the first stacking tray 10 slides out of the working area to perform other work through the replacement slide rail 40, the second stacking tray 11 enters the working area to perform stacking, after the stacking on the second stacking tray 11 is completed, the transformer core on the first stacking tray 10 is taken out from the first stacking tray 10, the first stacking tray 10 replaces the second stacking tray 11 to enter the working area to continue stacking, and the repeated cycle work is performed.

Further, the first stacker tray 10 includes: four replacement slide blocks 41 which are arranged on the top of the two replacement slide rails 40 in a group two by two and can slide along the replacement slide rails 40; the stacking plate 42 is fixedly arranged at the tops of the four replacing slide blocks 41 in a horizontal state, and a rice-shaped adjusting groove 43 is formed in the stacking plate 42; the plurality of stacking limiting blocks 44 are fixedly arranged on the stacking plate 42 through a plurality of bolts which penetrate through the rice-shaped adjusting grooves 43 in a vertical state, and the distance between the stacking limiting blocks 44 can be adjusted through the rice-shaped adjusting grooves 43 and the bolts.

The stacking limiting blocks 44 are adjusted in relative positions through the meter-shaped adjusting grooves 43 to adapt to transformer cores of different sizes.

The silicon steel sheets are conveyed to two sides of the double-station stacking tray 5 by the longitudinal feeding assembly 7 and the transverse feeding assembly 6 according to a set direction, the silicon steel sheets are conveyed to the double-station stacking tray 5 by the conveyor belt 33, the silicon steel sheets are positioned in the middle of the conveyor belt 33 by the elastic guide assembly 13 during the process, the silicon steel sheets can be adsorbed to the central position of the silicon steel sheets when being stacked each time and stacked to a specified position, the deviation is reduced, the double-shaft moving mechanism 2 drives the double-direction material taking mechanism 4 to move, the silicon steel sheets on the longitudinal feeding assembly 7 and the transverse feeding assembly 6 are sequentially adsorbed and stacked on the double-station stacking tray 5 in a circulating and reciprocating mode, the horizontal height of the feeding mechanism 3 is slightly lower than the horizontal height of the stacking area of the double-station stacking tray 5, the adsorption assembly 22 descends when the materials are taken, the bottom of the adsorption tray 26 is in contact with the silicon steel sheets, and the top of the adsorption tray 26 is fixed with the mounting sleeve 17 by the hollow fixing shaft 23, the air in the adsorption disc 26 can only pass through the hollow fixed shaft 23, because in the initial state, the exhaust slider 30 is pressed by the buffer return spring 32, the rubber coating layer 31 blocks the exhaust hole 25, the air can not be exhausted from the exhaust hole 25, as the adsorption assembly 22 is continuously pressed down, the air pressure in the adsorption disc 26 is increased until the air is extruded out from the bottom edge of the adsorption disc 26, the air in the adsorption disc 26 is gradually exhausted, the air stops before the silicon steel sheet contacts the sliding thimble 28 and starts to rise, because the exhaust slider 30 is fixedly arranged on the sliding thimble 28, the limiting ring 29 is formed at the top of the sliding thimble 28 to prevent the sliding thimble 28 from moving downwards, the total amount of the air in the adsorption disc 26 is not changed in the rising process, the silicon steel sheet can be tightly adsorbed by the adsorption disc 26 in the rising process under the external air pressure, when the silicon steel sheet is placed on the stacking disc 5, the adsorption assembly 22 descends and the bottom of the silicon steel sheet is abutted against the double-station stacking tray 5 or the previously stacked silicon steel sheet, at this time, the adsorption assembly 22 on the other side for absorbing the silicon steel sheets can not absorb the silicon steel sheets under the action of the height difference, the adsorption assembly 22 continues to descend until the stacked silicon steel sheets are abutted to the bottom of the sliding thimble 28, and pushes the sliding thimble 28 to rise, and as the exhaust slide block 30 rises along with the sliding thimble 28, the exhaust hole 25 is communicated with the air in the adsorption disc 26, the buffer return spring 32 is compressed and contracted, when the top of the adsorption disc 26 is abutted to the silicon steel sheet, the suction disc mounting plate 16 is pressed to rise, the adaptive spring 45 starts to be pressed and compressed until the adsorption assembly 22 on the other side adsorbs the silicon steel sheet, the bidirectional material taking mechanism 4 rises, and in the rising process, the self-adaptive spring 45 gradually releases the pressure, at this time, the bottom of the sliding thimble 28 always abuts against the silicon steel sheet, after the self-adaptive spring 45 returns, the adsorption disc 26 is gradually separated from the silicon steel sheet, the exhaust slider 30 gradually returns to the original position under the action of the buffer return spring 32, however, the sliding speed of the exhaust slider 30 is lower than the ascending speed of the bidirectional material taking mechanism 4 due to the action of the rubber coating layer 31, air enters the adsorption disc 26 from the exhaust hole 25, so that the silicon steel sheet is separated from the adsorption disc 26, the operation is repeatedly performed in such a way until the transformer iron core is completely stacked, after the stacking on the first stacking tray 10 is completed, the first stacking tray 10 slides out of the working area by the replacement slide rail 40 to perform other work, the second stacking tray 11 enters the working area to perform stacking, after the second stacking tray 11 is stacked, the transformer core on the first stacking tray 10 is taken out from the first stacking tray 10, the first stacking tray 10 replaces the second stacking tray 11, the second stacking tray 11 enters a working area, stacking is continued, and repeated cycle operation is performed.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a closed assembly equipment for transformer core, includes support frame (1) and fixed biax moving mechanism (2) that set up on support frame (1), its characterized in that still includes:

the double-station stacking plate (5) is fixedly arranged at the bottom of the support frame (1) in a horizontal state and used for stacking transformer cores;

the feeding mechanism (3) is fixedly arranged at the bottom of the support frame (1) in a horizontal state and is used for conveying transformer silicon steel sheets into a working area, and comprises two longitudinal feeding assemblies (7) which are fixedly arranged on one side of the double-station stacking disc (5) and arranged in the same direction with the moving direction of the double-station stacking disc (5), and three transverse feeding assemblies (6) which are fixedly arranged on the other side of the double-station stacking disc (5) and arranged perpendicular to the moving direction of the double-station stacking disc (5), wherein the transverse feeding assemblies (6) have the same structure as the longitudinal feeding assemblies (7);

the bidirectional material taking mechanism (4) is fixedly arranged on the output end of the double-shaft moving mechanism (2) in a horizontal state, is used for sequentially grabbing the silicon steel sheets conveyed by the transverse feeding assembly (6) and the longitudinal feeding assembly (7) and stacking the silicon steel sheets on the double-station stacking plate (5), and comprises a plurality of airless pump adsorption mechanisms (12) for adsorbing the silicon steel sheets;

the bidirectional material taking mechanism (4) comprises a first material taking mechanism (8) matched with the transverse feeding assembly (6) and a second material taking mechanism (9) matched with the longitudinal feeding assembly (7), the first material taking mechanism (8) and the second material taking mechanism (9) are identical in structure and comprise sliding mounting plates (14) which are fixedly arranged on the output end of the double-shaft moving mechanism (2) in a horizontal state, and a plurality of airless pump adsorption mechanisms (12) which are vertically arranged are fixedly arranged at the bottoms of the sliding mounting plates (14);

each airless pump adsorption mechanism (12) includes:

the two guide posts (20) are fixedly arranged at the bottom of the sliding mounting plate (14) in a vertical state, a plurality of adjusting mounting grooves (15) are formed in the sliding mounting plate (14), the top of each guide post (20) is fixedly connected with a bolt of which the bottom penetrates through the adjusting mounting groove (15), and a limiting boss (21) which is horizontally arranged is formed at the bottom of each guide post (20);

the sucker mounting plates (16) are movably arranged at the lower ends of the two guide posts (20) in a horizontal state and can slide up and down along the guide posts (20), and the bottoms of the sucker mounting plates (16) are abutted against the tops of the limiting bosses (21);

the two adsorption assemblies (22) are symmetrically arranged at the bottom of the sucker mounting plate (16) in a vertical state and are used for adsorbing silicon steel sheets;

the two self-adaptive springs (45) are movably sleeved on the outer sides of the corresponding guide posts (20), the top of each self-adaptive spring (45) is abutted against the bottom of the sliding mounting plate (14), and the bottom of each self-adaptive spring is abutted against the top of the sucker mounting plate (16);

each adsorption assembly (22) comprises:

the sucker mounting structure comprises a hollow fixing shaft (23), two mounting sleeves (17) which are arranged in a vertical state are formed at the bottom of a sucker mounting plate (16), the hollow fixing shaft (23) is rotatably arranged in the corresponding mounting sleeves (17), the top of the hollow fixing shaft (23) is abutted against the bottom of the sucker mounting plate (16), a step ring (24) which is arranged in a horizontal state is formed at the bottom of the hollow fixing shaft (23), an exhaust hole (25) which is arranged in a horizontal state is formed in the middle of the hollow fixing shaft, and an exhaust hole (18) which corresponds to the exhaust hole (25) is formed at the lower end of the mounting sleeve (17);

the adsorption disc (26) is fixedly arranged at the bottom of the hollow fixed shaft (23) in a horizontal state, a fixed step hole (27) for accommodating the step ring (24) is formed at the bottom of the adsorption disc (26), the bottom of the adsorption disc (26) is abutted against the top of the step ring (24), and the top of the adsorption disc is abutted against the bottom of the mounting sleeve (17);

the sliding ejector pin (28) is coaxially and movably arranged in the hollow fixed shaft (23), a guide hole (19) for the sliding ejector pin (28) to pass through is formed in the top of the sucker mounting plate (16), a limiting ring (29) which is horizontally arranged is formed in the top of the sliding ejector pin (28), and the bottom of the limiting ring (29) is abutted to the top of the sucker mounting plate (16);

the exhaust sliding block (30) is coaxially and rotatably arranged in the middle of the sliding thimble (28), and a rubber coating layer (31) which is in contact with the inner wall of the hollow fixed shaft (23) is formed on the peripheral side of the exhaust sliding block (30) so that air in the adsorption disc (26) cannot be exhausted from the exhaust hole (25);

the buffering return spring (32) is coaxially and movably sleeved on the outer side of the sliding thimble (28), the bottom of the buffering return spring (32) is abutted against the top of the exhaust sliding block (30), and the top of the buffering return spring is abutted against the top of the sucker mounting plate (16).

2. A stacking apparatus for transformer cores, according to claim 1, characterized in that each transverse feed assembly (6) comprises:

the conveying belt (33) is fixedly arranged on one side of the double-station stacking tray (5) in a horizontal state and is perpendicular to the moving direction of the double-station stacking tray (5), and side mounting plates (34) arranged in a vertical state are formed on two sides of the conveying belt;

the two elastic guide assemblies (13) are fixedly arranged on the inner side of one side mounting plate (34) in a horizontal state;

and the limiting plate (39) is fixedly arranged at one end, close to the double-station stacking plate (5), of the transmission belt, so that the silicon steel sheet stops conveying the foundation forwards after abutting against the limiting plate (39).

3. A stacking device for transformer cores, according to claim 2, characterized in that each elastic guide assembly (13) comprises:

a plurality of adjusting bolts (37) which are horizontally arranged on the side mounting plate (34), and the thread ends of the adjusting bolts penetrate through the side mounting plate (34) and extend inwards;

the centering plate (35) is fixedly arranged on the threaded end of the adjusting bolt (37) in a horizontal state, the bottom of the centering plate (35) is abutted against the top of the transmission belt, and an arc-shaped guide opening (36) for guiding silicon steel sheets is formed in one end, away from the double-station stacking plate (5), of the centering plate (35);

and the buffer springs (38) are coaxially sleeved outside the corresponding adjusting bolts (37) in a one-to-one correspondence manner, one end of each buffer spring (38) is abutted against the centering plate (35), and the other end of each buffer spring is abutted against the side mounting plate (34).

4. The stacking device for the transformer cores according to claim 1, wherein the double-station stacking tray (5) comprises two replacement slide rails (40) fixedly arranged at the bottom of the support frame (1) and perpendicular to the horizontal moving direction of the double-shaft moving mechanism (2), a first stacking tray (10) movably arranged at one end of the tops of the two replacement slide rails (40), and a second stacking tray (11) movably arranged at the other end of the tops of the two replacement slide rails (40), and the first stacking tray (10) and the second stacking tray (11) have the same structure.

5. Stacking equipment for transformer cores according to claim 4, characterized in that the first stacking tray (10) comprises:

the four replacing sliding blocks (41) are arranged at the tops of the two replacing sliding rails (40) in a group two by two and can slide along the replacing sliding rails (40);

the stacking plate (42) is fixedly arranged at the tops of the four replacing slide blocks (41) in a horizontal state, and a meter-shaped adjusting groove (43) is formed in the stacking plate (42);

a plurality of closed assembly stopper (44), set up on closed assembly board (42) through a plurality of bolt fastening that are vertical state and pass meter style of calligraphy adjustment groove (43), a plurality of closed assembly stopper (44) can be through meter style of calligraphy adjustment groove (43) and bolt adjustment interval each other.