CN116525284B - Transformer core pressing device - Google Patents
Transformer core pressing device Download PDFInfo
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- CN116525284B CN116525284B CN202310777569.8A CN202310777569A CN116525284B CN 116525284 B CN116525284 B CN 116525284B CN 202310777569 A CN202310777569 A CN 202310777569A CN 116525284 B CN116525284 B CN 116525284B
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- China
- Prior art keywords
- pressing
- silicon steel
- positioning
- steel sheets
- limiting
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- 238000003825 pressing Methods 0.000 title claims abstract description 87
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 92
- 238000003475 lamination Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000010030 laminating Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The application relates to the technical field of transformer production, in particular to a transformer iron core pressing device which comprises a positioning assembly, a limiting assembly and a pressing assembly; the outer wall of the positioning component is provided with a limiting component through an ear plate, the limiting component is positioned above the positioning component, the limiting component is provided with a pressing component, and the pressing component is positioned right above the positioning component; the application is mainly applied to position correction and limit of the overlapped silicon steel sheets, and can ensure that the stacked silicon steel sheets are positioned at the central position by adopting symmetrical limit of four side walls, ensure that the position of the whole stacked silicon steel sheets is accurate, and facilitate lamination and fixation; secondly, the bonding limiting and fixing of the uppermost silicon steel sheet are adopted in the process of fixing the silicon steel sheets through the bonding locating pins, bonding between the silicon steel sheets is complete in a reciprocating bonding mode, the problem that the uppermost silicon steel sheets are separated in the reciprocating bonding process is avoided, and the integral bonding fixing effect is guaranteed.
Description
Technical Field
The application relates to the technical field of transformer production, in particular to a transformer core pressing device.
Background
The transformer core is the main magnetic circuit part in the transformer and is generally formed by stacking hot-rolled or cold-rolled silicon steel sheets with high silicon content and insulating paint coated on the surfaces. The lamination of the transformer iron core silicon steel sheet generally does not need adhesive; because the transformer iron core silicon steel sheet has special shape and structure, there is a U-shaped groove or I-shaped groove, the structure and size of the silicon steel sheet are matched with the notch, and the self-locking or pre-tightening can be realized, so that the shape can be stably maintained in the groove; if glue is used, it has a detrimental effect on the thermal performance and noise of the transformer. Because the adhesive may be thermally fluctuated by thermodynamic effects, deformation and shrinkage of the adhesive material may deform the core, even causing abnormal sound and damage.
The lamination of the iron core refers to the process of combining a plurality of silicon steel sheets together to form the iron core, and the lamination method of the silicon steel sheets of the transformer iron core is usually a sliding lamination method, a plane cross lamination method and an oblique angle lamination method; the plane cross lamination method is to stack the silicon steel sheets in a cross mode according to a specific sequence, and enable the silicon steel sheets to be tightly adhered through positioning pins or clips, and the cross section of the silicon steel sheets is inverted L-shaped.
At present, the following problems mainly exist in the process of laminating iron cores: 1. the iron core is easy to relatively move between the overlapped silicon steel sheets in the process of being fixed by the positioning pins or the clips, so that dislocation movement is caused between the adjacent silicon steel sheets, further, the positioning pins are difficult to align with the clamping holes in the process of being positioned by the positioning pins or being fixed by the clips, the positioning pins cannot smoothly penetrate through each silicon steel sheet, and the positioning pins are easy to break and damage the silicon steel sheets in the process of being pressed and fixed; 2. after fixing a plurality of silicon steel sheets through the locating pin, in order to keep the coincide compactness between the silicon steel sheets, need pressfitting again, and the silicon steel sheet of the upper strata is easily received the effect of atmospheric pressure and is removed at the in-process of present pressfitting, leads to the silicon steel sheet of the upper strata can't pressfitting inseparable all the time.
Therefore, in order to improve the lamination compactness between the silicon steel sheets and ensure that the positioning pins smoothly and rapidly fix a plurality of silicon steel sheets, the application provides a transformer iron core lamination device.
Disclosure of Invention
In view of the above problems, the embodiment of the application provides a transformer core pressing device, which is used for solving the problems that in the related art, the pressing device presses the silicon steel sheets in a non-tight manner or the adjacent silicon steel sheets are dislocated and moved in the pressing process, so that the positioning pins cannot be inserted. In order to achieve the above object, the embodiment of the present application provides the following technical solutions: a first aspect of an embodiment of the present application provides a transformer core lamination device, including: the positioning assembly, the limiting assembly and the pressing assembly; the outer wall of locating component installs spacing subassembly through the otic placode, and spacing subassembly is located locating component's top, spacing subassembly on be provided with the pressfitting subassembly, the pressfitting subassembly is located locating component directly over, and the pressfitting subassembly is located locating component's inside.
The positioning assembly comprises a cylindrical pedestal, a rectangular slotted hole penetrating through is formed in the upper end of the cylindrical pedestal, strip-shaped grooves are symmetrically formed in the middle of the bottom end of the rectangular slotted hole, positioning modules are symmetrically arranged in the front and back of the middle of the cylindrical pedestal, and centering modules are arranged on the outer walls of the left side and the right side of the rectangular slotted hole.
The pressing assembly comprises a pressing table which is slidably arranged on the T-shaped sliding rail, the inside of the pressing table is of a cavity structure, and an end cover connected with the telescopic cylinder is arranged on the upper end surface of the pressing table through a bolt; the pressing bench is internally provided with movable grooves along the diagonal direction thereof, the number of the movable grooves is four, and auxiliary modules are arranged in the movable grooves; the inside motor that is provided with of cavity of pressfitting platform through the motor cabinet, the output shaft of motor has eccentric cam, is located pressfitting platform's lower extreme and is provided with and eccentric cam matched with laminating module.
According to an advantageous embodiment, the laminating module comprises guide rods uniformly arranged in the cavity of the laminating table, a plurality of guide rods are provided with laminating plates in a sliding manner, and springs are sleeved on the outer walls of the guide rods; and the bonding plate is always in contact with the eccentric cam under the action of the spring.
According to an advantageous embodiment, the auxiliary module include the spring rod of upper and lower symmetry setting in the movable groove inside, and the flexible end of spring rod is provided with the ball, common slidable mounting has the locating lever between two spring rods of same movable groove inside, just the locating lever set up right angle groove towards the one end of pressfitting platform diagonal crossing, the locating lever deviate from pressfitting platform diagonal crossing's one end be provided with the spout, and the lateral wall of spout evenly is provided with the card tooth groove, two electric putter is installed to the movable groove cell wall between the spring rod, and slide spacing connection between electric putter's flexible end and the locating lever, and electric putter's flexible end sets up the mounting groove, be located the inside of mounting groove and be provided with the motor, the output shaft of motor has the gear, and gear and card tooth groove meshing.
According to an advantageous embodiment, the symmetry is provided with the mounting groove around the cylindrical pedestal diapire, and the one end that two mounting grooves are close to each other is wedge angle structure, positioning module including every mounting groove inside rotate two axostylus axostyles that set up, install the drive belt between two axostylus axostyle jointly, and wherein arbitrary axostylus axostyle is connected with the motor, is located the drive belt and is provided with the stop collar, is located the inside of stop collar and installs the locating plate through the spring, and the locating plate is the rubber material.
According to an advantageous embodiment, the centering module comprises centering side plates slidably arranged on the side walls of the rectangular slot, and the number of centering side plates of each side wall is two; the centering side plate is connected with the cylindrical pedestal through a spring; the outer wall of the upper end of the centering side plate is of an inclined structure, the upper end of the centering side plate is provided with a limiting groove, and the limiting groove is connected with the inclined structure; the upper end between two centering side plates located on the same side is provided with a pressing plate, the pressing plate is arranged in a vertically sliding mode, the upper end of the pressing plate penetrates through the upper end face of the cylindrical pedestal, and one end, in contact with the centering side plates, of the pressing plate is provided with a roller.
According to an advantageous embodiment, the limiting assembly comprises electric telescopic rods connected to the side wall of the cylindrical pedestal through lugs, and the number of the electric telescopic rods is two; the upper end surfaces of the two electric telescopic rods are connected with T-shaped sliding rails, and an inverted U-shaped frame is commonly connected between the two T-shaped sliding rails; the middle part of the inverted U-shaped frame is provided with a telescopic cylinder, the telescopic end of the telescopic cylinder is connected with a pressing assembly, and the pressing assembly is arranged on two T-shaped sliding rails in a sliding fit manner; the lower end face of the T-shaped sliding rail is provided with a clamping groove matched with the pressing plate.
According to an advantageous embodiment, the bonding plates are uniformly provided with through holes.
Compared with the prior art, the transformer core pressing device provided by the embodiment of the application has the following beneficial effects: 1. the positioning module provided by the application can realize the position adjustment of the piled silicon steel sheets through the unidirectional circular rotation of the positioning plates at the two sides, effectively ensure that the silicon steel sheets are positioned at the central position and ensure the later pressing effect; and the unidirectional circulation effectively improves the position adjustment efficiency of the stacked silicon steel sheets.
2. The centering module provided by the application can be matched with the action of the T-shaped sliding rail to realize limit correction on the left side and the right side of the piled silicon steel plates, and the four-side positioning is realized by combining the action of the positioning module, so that the upper and lower positions of the piled silicon steel plates are ensured to be neat, and the silicon steel plates are conveniently positioned and fixed through positioning pins in the later stage.
3. The auxiliary module provided by the application can align the corners of the piled silicon steel sheets, prevent the silicon steel sheets from deflecting, and ensure the continuity of pressing and fixing the silicon steel sheets by driving the gear to rotate through the motor so as to prevent the positioning rod from obstructing the silicon steel sheets in the pressing and fixing process of the silicon steel sheets.
Drawings
Fig. 1 is a schematic perspective view of a transformer core lamination device according to the present application.
Fig. 2 is a top view of the transformer core lamination device of the present application.
Fig. 3 is a cross-sectional view taken along A-A of fig. 2 in accordance with the present application.
Fig. 4 is a B-B cross-sectional view of fig. 2 in accordance with the present application.
Fig. 5 is an enlarged view of a portion of fig. 4 at M in accordance with the present application.
Fig. 6 is a cross-sectional view taken along line C-C of fig. 2 in accordance with the present application.
Fig. 7 is a cross-sectional view of a compression assembly of the present application.
Fig. 8 is an enlarged view of a portion at N of fig. 7 in accordance with the present application.
Reference numerals in the drawings: 1. a positioning assembly; 2. a limit component; 3. a pressing assembly; 11. a cylindrical pedestal; 12. a positioning module; 13. centering module; 111. a placement groove; 112. a shaft lever; 113. a transmission belt; 114. a limit sleeve; 115. a positioning plate; 131. centering side plates; 132. a limit groove; 133. pressing the plate; 134. a roller; 21. an electric telescopic rod; 22. a T-shaped slide rail; 23. an inverted U-shaped frame; 24. a telescopic cylinder; 25. a clamping groove; 31. a pressing table; 32. an end cap; 33. an auxiliary module; 34. an eccentric cam; 35. a laminating module; 351. a guide rod; 352. bonding plates; 331. a spring rod; 332. a positioning rod; 333. a right angle slot; 334. a tooth slot is clamped; 335. an electric push rod; 336. a gear.
Detailed Description
The present application is described in further detail below with reference to FIGS. 1-8.
The embodiment of the application discloses a transformer iron core pressing device, which is mainly applied to position correction and limit of overlapped silicon steel sheets, and can ensure that the stacked silicon steel sheets are positioned at the central position by adopting symmetrical limit of four side walls, ensure that the position of the whole stacked silicon steel sheets is accurate, and facilitate pressing and fixing; secondly, the bonding limiting and fixing are carried out on the uppermost silicon steel sheet in the process of fixing the silicon steel sheet through the bonding locating pin, the bonding between the silicon steel sheets is guaranteed to be complete in a reciprocating bonding mode, the problem that the uppermost silicon steel sheet is separated in the reciprocating bonding process is avoided, and the integral bonding fixing effect is guaranteed.
Referring to fig. 1 and 2 in combination, a transformer core lamination device includes: the positioning assembly 1, the limiting assembly 2 and the pressing assembly 3; the outer wall of locating component 1 installs spacing subassembly 2 through the otic placode, and spacing subassembly 2 is located the top of locating component 1, spacing subassembly 2 on be provided with pressing component 3, pressing component 3 is located the locating component 1 directly over, and pressing component 3 is located the inside of spacing subassembly 2.
The stacked silicon steel sheets after being stacked are conveyed to the upper end of the positioning assembly 1 through manual work or existing conveying equipment, limiting centering is conducted through the positioning assembly 1, the edge of the side wall of the stacked silicon steel sheets is guaranteed to be neat through the positioning assembly 1, the stacked silicon steel sheets are limited and fixed through the pressing assembly 3 and the positioning assembly 1, and then the pressing assembly 3 is assisted to finish pressing and fixing work of the silicon steel sheets after positioning pins are inserted at specified positions through external equipment or manual work.
Referring to fig. 1, the positioning assembly 1 includes a cylindrical base 11, a rectangular slot hole penetrating through is formed at an upper end of the cylindrical base 11, a strip-shaped groove is symmetrically formed in a middle portion of a bottom end of the rectangular slot hole, the strip-shaped groove is formed to prevent a silicon steel sheet placed at a bottommost end of the cylindrical base 11 from being difficult to take down after being attached to an outer wall of the bottom end of the rectangular slot hole due to air pressure, positioning modules 12 are symmetrically arranged in front of and behind a middle portion of the cylindrical base 11, and centering modules 13 are respectively arranged on outer walls of left and right sides of the rectangular slot hole.
Referring to fig. 4 and 5, the bottom wall of the cylindrical base 11 is provided with positioning slots 111 symmetrically in front and back, and two ends of the positioning slots 111 close to each other are wedge structures, the positioning module 12 includes two shafts 112 rotatably disposed in each positioning slot 111, a driving belt 113 is mounted between the two shafts 112, and any shaft 112 is connected with a motor, a stop collar 114 is disposed on the driving belt 113, a positioning plate 115 is mounted in the stop collar 114 through a spring, and the positioning plate 115 is made of rubber.
When the stacked silicon steel sheets are conveyed to the upper end of the cylindrical pedestal 11, the motor works to drive the transmission belt 113 to rotate, the stacked silicon steel sheets are moved to the central position of the cylindrical pedestal 11 through the action of the positioning plates 115, and in the process that the transmission belt 113 continuously rotates, the positioning plates 115 on two sides can convey the stacked silicon steel sheets to the central position of the cylindrical pedestal 11 and then enter the inner circulation of the positioning groove 111 along the bevel structure of the positioning groove 111; the positioning module 12 can realize the position adjustment of the piled silicon steel sheets through the unidirectional circular rotation of the positioning plates 115 on the two sides, so that the silicon steel sheets are effectively ensured to be positioned at the center position, and the later pressing effect is ensured; and the unidirectional circulation effectively improves the position adjustment efficiency of the stacked silicon steel sheets.
Referring to fig. 3 and 6 in combination, the centering module 13 includes centering side plates 131 slidably disposed on the sidewalls of the rectangular slot, and the number of centering side plates 131 on each sidewall is two; the centering side plate 131 is connected with the cylindrical pedestal 11 by a spring; the outer wall of the upper end of the centering side plate 131 is of an inclined structure, the upper end of the centering side plate 131 is provided with a limit groove 132, and the limit groove 132 is connected with the inclined structure; the upper end between two centering side plates 131 located on the same side is provided with a pressing plate 133, the pressing plate 133 is arranged in a vertically sliding mode, the upper end of the pressing plate 133 penetrates through the upper end face of the cylindrical pedestal 11, and one end, in contact with the centering side plates 131, of the pressing plate 133 is provided with a roller 134.
Referring to fig. 4 and 6 in combination, the limiting assembly 2 includes electric telescopic rods 21 connected to the side wall of the cylindrical base 11 through lugs, and the number of the electric telescopic rods 21 is two; the upper end surfaces of the two electric telescopic rods 21 are connected with T-shaped slide rails 22, and an inverted U-shaped frame 23 is commonly connected between the two T-shaped slide rails 22; the middle part of the inverted U-shaped frame 23 is provided with a telescopic cylinder 24, the telescopic end of the telescopic cylinder 24 is connected with the pressing assembly 3, and the pressing assembly 3 is arranged on the two T-shaped slide rails 22 in a sliding fit mode; the lower end surface of the T-shaped slide rail 22 is provided with a clamping groove 25 matched with the pressing plate 133.
The clamping groove 25 at the lower end of the T-shaped slide rail 22 can be clamped with the pressing plate 133 and pressed under the action of the electric telescopic rod 21, so that the centering module 13 is further ejected out to realize limit correction on the piled silicon steel sheets; the silicon steel sheet is kept in a proper state, and the problem of position deviation in the pressing process is avoided.
After the central position of the stacked silicon steel plates is adjusted, when the T-shaped slide rail 22 descends to be matched with the pressing plate 133 to press in the process of closing, the pressing plate 133 descends to push the centering side plates 131 to eject the cylindrical pedestal 11 through the action of the rollers 134 to limit the stacked silicon steel plates, the arranged centering module 13 can be matched with the action of the T-shaped slide rail 22 to realize limit correction on the left side and the right side of the stacked silicon steel plates, and the positioning module 12 is combined to realize four-side positioning to ensure that the stacked silicon steel plates are orderly positioned up and down and are convenient to fix through positioning pins in later stage.
Referring to fig. 2 and 4 in combination, the pressing assembly 3 includes a pressing table 31 slidably mounted on the T-shaped slide rail 22, a cavity structure is formed inside the pressing table 31, and an end cover 32 connected to the telescopic cylinder 24 is mounted on an upper end surface of the pressing table 31 through a bolt; the inside of the pressing table 31 is provided with movable grooves along the diagonal direction thereof, the number of the movable grooves is four, and an auxiliary module 33 is arranged in the movable grooves; the inside motor that is provided with of cavity of pressfitting platform 31 through the motor cabinet, the output shaft of motor has eccentric cam 34, is located pressfitting platform 31's lower extreme and is provided with laminating module 35 with eccentric cam 34 matched with.
Referring to fig. 7 and 8 in combination, the auxiliary module 33 includes a spring rod 331 vertically symmetrically disposed in the movable slot, a ball is disposed at a telescopic end of the spring rod 331, a positioning rod 332 is slidably mounted between the two spring rods 331 in the same movable slot, a right angle slot 333 is disposed at one end of the positioning rod 332 facing the diagonal intersection of the pressing table 31, a chute is disposed at one end of the positioning rod 332 facing away from the diagonal intersection of the pressing table 31, a clamping slot 334 is uniformly disposed on a side wall of the chute, two movable slot walls between the spring rods 331 are provided with an electric push rod 335, a telescopic end of the electric push rod 335 is slidably and limitedly connected with the positioning rod 332, a mounting slot is disposed at a telescopic end of the electric push rod 335, a motor is disposed in the mounting slot, an output shaft of the motor is connected with a gear 336, and the gear 336 is meshed with the clamping slot 334.
Before lamination, the position of the positioning rod 332 in the chute is adjusted according to the size of the silicon steel sheet through the electric push rod 335, after the completion, when the telescopic cylinder 24 drives the lamination assembly 3 to wholly descend, the corners of the upper and lower adjacent silicon steel sheets are aligned through the action of the positioning rod 332, and the insertion and the lamination of the positioning pins are conveniently completed through the work of the lamination module 35; the auxiliary module 33 that sets up can align the silicon steel sheet turning of pile, prevents the skew between the silicon steel sheet to in-process to carrying out pressfitting fixed to the silicon steel sheet, in order to avoid locating lever 332 to cause the hindrance to the silicon steel sheet, rotate through motor drive gear 336 and make locating lever 332 wholly move the abdication, and then guaranteed the continuous operation to the silicon steel sheet pressfitting is fixed.
Referring to fig. 7 in combination, the attaching module 35 includes guide rods 351 uniformly arranged in the cavity of the pressing table 31, a plurality of guide rods 351 are slidably mounted with an attaching plate 352, through holes are uniformly formed in the attaching plate 352, and springs are sleeved on the outer walls of the guide rods 351; and the abutment plate 352 is always abutted against the eccentric cam 34 by the action of the spring.
During lamination, the lamination table 31 is in working with the periphery of the uppermost silicon steel sheet to be laminated and limited through the telescopic cylinder 24, and the motor drives the eccentric cam 34 to rotate so that the lamination plate 352 is in reciprocating lamination and pressing with the uppermost silicon steel sheet to fix the stacked silicon steel sheets in lamination, and in the process of separating the lamination plate 352 from the uppermost silicon steel sheet, through holes are uniformly formed in the lamination plate 352, so that the uppermost silicon steel sheet is not driven to move under the action of air pressure, and the lamination fixing effect of each time is ensured.
The transformer iron core pressing device is particularly used for pressing and fixing the stacked silicon steel sheets; firstly, adjusting the position of the positioning rod 332 in the chute according to the size of the silicon steel sheet; then the stacked silicon steel sheets are conveyed to the upper end of the positioning assembly 1, the positioning module 12 can realize the position adjustment of the stacked silicon steel sheets through unidirectional circular rotation of the positioning plates 115 on two sides, the silicon steel sheets are guaranteed to be in a central position, and then the centering module 13 is matched with the T-shaped slide rail 22 to realize the limit correction of the left side and the right side of the stacked silicon steel sheets, so that the four-side positioning is realized by combining the functions of the positioning module 12; before lamination, in the process that the telescopic cylinder 24 drives the lamination assembly 3 to wholly descend, the corners of the upper and lower adjacent silicon steel sheets are aligned under the action of the positioning rod 332; during lamination, the telescopic cylinder 24 works to enable the lamination table 31 to be in lamination limit with the periphery of the uppermost silicon steel sheet, and the motor drives the eccentric cam 34 to rotate to enable the lamination plate 352 to be in lamination pressing with the uppermost silicon steel sheet, so that stacked silicon steel sheets are fixedly laminated.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (4)
1. A transformer core lamination device, comprising: the positioning assembly (1), the limiting assembly (2) and the pressing assembly (3); the method is characterized in that; the outer wall of the positioning component (1) is provided with a limiting component (2) through an ear plate, the limiting component (2) is positioned above the positioning component (1), the limiting component (2) is provided with a pressing component (3), the pressing component (3) is positioned right above the positioning component (1), and the pressing component (3) is positioned inside the limiting component (2); wherein:
the positioning assembly (1) comprises a cylindrical pedestal (11), a rectangular slot hole penetrating through is formed in the upper end of the cylindrical pedestal (11), strip-shaped grooves are symmetrically formed in the middle of the bottom end of the rectangular slot hole in a left-right symmetry mode, positioning modules (12) are symmetrically arranged in the front-back mode in the middle of the cylindrical pedestal (11), and centering modules (13) are arranged on the outer walls of the left side and the right side of the rectangular slot hole;
the centering module (13) comprises centering side plates (131) which are arranged on the side walls of the rectangular slotted holes in a sliding mode, and the number of the centering side plates (131) of each side wall is two; the centering side plate (131) is connected with the cylindrical pedestal (11) through a spring; the outer wall of the upper end of the centering side plate (131) is of an inclined structure, a limiting groove (132) is formed in the upper end of the centering side plate (131), and the limiting groove (132) is connected with the inclined structure; the upper end between the two centering side plates (131) positioned on the same side is provided with a pressing plate (133), the pressing plate (133) is arranged in a vertical sliding way, the upper end of the pressing plate (133) penetrates through the upper end face of the cylindrical pedestal (11), and one end, which is contacted with the centering side plates (131), of the pressing plate (133) is provided with a roller (134);
the pressing assembly (3) comprises a pressing table (31) which is slidably arranged on the T-shaped sliding rail (22), the inside of the pressing table (31) is of a cavity structure, and an end cover (32) connected with the telescopic cylinder (24) is arranged on the upper end surface of the pressing table (31) through a bolt; the inside of the pressing table (31) is provided with movable grooves along the diagonal direction, the number of the movable grooves is four, and auxiliary modules (33) are arranged in the movable grooves; a motor is arranged in the cavity of the pressing table (31) through a motor seat, an output shaft of the motor is connected with an eccentric cam (34), and a laminating module (35) matched with the eccentric cam (34) is arranged at the lower end of the pressing table (31);
the laminating module (35) comprises guide rods (351) uniformly arranged in the cavity of the laminating table (31), a plurality of guide rods (351) are provided with laminating plates (352) in a sliding mode, and springs are sleeved on the outer walls of the guide rods (351); and the bonding plate (352) is always in contact with the eccentric cam (34) under the action of the spring;
the limiting assembly (2) comprises electric telescopic rods (21) connected to the side wall of the cylindrical pedestal (11) through lugs, and the number of the electric telescopic rods (21) is two; the upper end surfaces of the two electric telescopic rods (21) are connected with T-shaped sliding rails (22), and an inverted U-shaped frame (23) is commonly connected between the two T-shaped sliding rails (22); the middle part of the inverted U-shaped frame (23) is provided with a telescopic cylinder (24), the telescopic end of the telescopic cylinder (24) is connected with the pressing assembly (3), and the pressing assembly (3) is arranged on two T-shaped sliding rails (22) in a sliding fit mode; a clamping groove (25) matched with the pressing plate (133) is formed in the lower end face of the T-shaped sliding rail (22);
the stacked silicon steel sheets are conveyed to the upper end of the positioning assembly (1), the positioning module (12) adjusts the positions of the stacked silicon steel sheets, the silicon steel sheets are guaranteed to be positioned in the middle, limiting correction of the left side and the right side of the stacked silicon steel sheets is achieved through the matching of the centering module (13) and the T-shaped sliding rail (22), and the four-side positioning is achieved through the combination of the action of the positioning module (12); during lamination, the lamination table (31) is enabled to be laminated and limited with the periphery of the uppermost silicon steel sheet through the operation of the telescopic cylinder (24), and the lamination plate (352) is enabled to be laminated and pressed with the uppermost silicon steel sheet in a reciprocating mode through the rotation of the motor driving eccentric cam (34), so that stacked silicon steel sheets are laminated and fixed.
2. The transformer core pressing device according to claim 1, wherein the auxiliary module (33) comprises spring rods (331) which are vertically symmetrically arranged in the movable groove, the telescopic ends of the spring rods (331) are provided with balls, a positioning rod (332) is slidably arranged between the two spring rods (331) in the same movable groove, the positioning rod (332) faces towards one end of the diagonal intersection of the pressing table (31), a right-angle groove (333) is formed in one end of the positioning rod (332) which faces away from the diagonal intersection of the pressing table (31), a chute is formed in one end of the chute, which is opposite to the diagonal intersection of the pressing table (31), a clamping groove (334) is uniformly formed in the side wall of the chute, an electric push rod (335) is mounted on the wall of the movable groove between the two spring rods (331), the telescopic ends of the electric push rod (335) are in sliding limiting connection with the positioning rod (332), a mounting groove is formed in the telescopic ends of the electric push rod (335), a motor is arranged in the mounting groove, an output shaft of the motor is connected with a gear (336), and the gear (336) is meshed with the clamping groove (334).
3. The transformer core pressing device according to claim 1, wherein the bottom wall of the cylindrical pedestal (11) is provided with mounting grooves (111) in a front-back symmetrical manner, one ends of the two mounting grooves (111) close to each other are of wedge angle structures, the positioning module (12) comprises two shaft rods (112) which are rotatably arranged in each mounting groove (111), a transmission belt (113) is jointly arranged between the two shaft rods (112), any shaft rod (112) is connected with a motor, a limiting sleeve (114) is arranged on the transmission belt (113), a positioning plate (115) is arranged in the limiting sleeve (114) through a spring, and the positioning plate (115) is made of rubber.
4. The transformer core pressing device according to claim 1, wherein the lamination plate (352) is uniformly provided with through holes.
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| CN202310777569.8A CN116525284B (en) | 2023-06-29 | 2023-06-29 | Transformer core pressing device |
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| CN202310777569.8A CN116525284B (en) | 2023-06-29 | 2023-06-29 | Transformer core pressing device |
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| CN116525284B true CN116525284B (en) | 2023-09-08 |
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| CN116525284A (en) | 2023-08-01 |
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