CN117583458A - Transformer core stamping forming equipment and method - Google Patents
Transformer core stamping forming equipment and method Download PDFInfo
- Publication number
- CN117583458A CN117583458A CN202410078604.1A CN202410078604A CN117583458A CN 117583458 A CN117583458 A CN 117583458A CN 202410078604 A CN202410078604 A CN 202410078604A CN 117583458 A CN117583458 A CN 117583458A
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- stamping
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- horizontal plane
- wall
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims description 48
- 230000014759 maintenance of location Effects 0.000 claims description 29
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/02—Die constructions enabling assembly of the die parts in different ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a transformer iron core stamping forming device and a method, which belong to the field of stamping devices and comprise two support plates, wherein two mounting frames are arranged at the upper ends of the two support plates, a mounting box is arranged at the upper ends of the four mounting frames, a driving mechanism is arranged on the inner wall of the mounting box, the driving mechanism is in transmission connection with a stamping mechanism which can move up and down and can change shape, a stamping die which synchronously changes shape along with the change of the stamping mechanism is arranged below the stamping mechanism, and three different iron core accessories are stamped through the deformable stamping mechanism and the stamping die which changes together, so that the time for changing different dies is reduced, the operation of allocating different iron core dies is simplified, the stamping efficiency is improved, and the production cost of iron core stamping is reduced through the cooperation of the stamping mechanism and the stamping die.
Description
Technical Field
The invention relates to the field of stamping equipment, in particular to transformer iron core stamping forming equipment and a transformer iron core stamping forming method.
Background
The transformer core, the iron core is the main magnetic circuit part in the transformer. Is generally formed by laminating hot-rolled or cold-rolled silicon steel sheets with high silicon content and insulating paint coated on the surfaces. The iron core and the coil wound on the iron core form a complete electromagnetic induction system. The power transformer transmits power, and the iron core is formed by stamping silicon steel sheets with the thickness of 0.35mm and 0.5mm according to the material and the cross section area of the iron core, and the long-distance transmission transformer iron core is generally formed by rebuilding after stamping by a plurality of dies in the stamping process, so that the dies are replaced for a plurality of times in the stamping process of a single group of iron cores, and then the iron core is rebuilt, or a plurality of stamping forming devices are built, and the dies are assembled into the stamping forming devices respectively, and finally the assembly is rebuilt after stamping.
However, the manner of continuously replacing the plurality of groups of dies and the stamping block may result in repeated replacement operations of the plurality of dies and the stamping block for a plurality of times, and a reduction in price efficiency thereof, or the manner of stamping by the plurality of stamping devices may result in a higher cost of stamping the single group of cores, so that the dies are continuously replaced, resulting in complicated operation of replacing the dies of the cores.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a transformer iron core stamping forming device and a transformer iron core stamping forming method.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a transformer core stamping forming equipment, includes two backplate, two mounting brackets are all installed to the upper end of backplate, four install the mounting box in the upper end of mounting bracket, the inner wall installation actuating mechanism of mounting box, actuating mechanism transmission connection can the up-and-down motion and can change the stamping mechanism of shape, the stamping mechanism below is equipped with the stamping die who takes place shape change along with stamping mechanism changes in step.
Further, the driving mechanism comprises a mounting block, the mounting block is mounted on the inner wall of the mounting box, a first motor is mounted at the upper end of the mounting block, a rotating disc is mounted at the output end of the first motor through a coupler, a transmission rod is mounted on the side wall of the rotating disc, and the transmission rod is rotationally connected with a connecting plate;
the driving mechanism further comprises a movable block, two auxiliary plates which are symmetrically arranged about the center line of the movable block are arranged at the upper end of the movable block, connecting shafts are arranged on the opposite side walls of the two auxiliary plates, and one end, far away from the transmission rod, of the connecting plate is connected with the connecting shafts in a rotating mode.
Further, the punching press mechanism is including the punching press piece, the punching press piece is installed in the lower extreme of movable block, two B hydraulic stems that set up about central symmetry are installed to the both ends of punching press piece, B auxiliary punch is installed to the output of B hydraulic stem, C hydraulic stem is installed to one of them lateral wall of punching press piece, C auxiliary punch is installed to the output of C hydraulic stem, conveniently promotes B auxiliary punch whereabouts through B hydraulic stem, makes B auxiliary punch and punching press piece adaptation iron core decompose the punching press of B type.
Further, the curb plate is all installed to the symmetry lateral wall of movable block, every the gag lever post is all installed to the upper end of curb plate, gag lever post sliding connection installs the case, the gag lever post extends to the lateral wall cover of installing the case inner chamber and is equipped with auxiliary spring, four auxiliary chambers have been seted up to the movable block, every the equal sliding connection in inner wall in auxiliary chamber has a retention section of thick bamboo, and two adjacent the lower extreme of retention section of thick bamboo is installed the retention piece, install the retention spring between the inner wall of retention section of thick bamboo towards auxiliary chamber, the inner wall in auxiliary chamber and the inner wall of retention section of thick bamboo are connected respectively at retention spring's both ends, and the impact when convenient retention spring reduces the gag lever post and slide from top to bottom prevents that the gag lever post from striking the installation case inner wall and sending noise.
Further, stamping die is including the master die, the both ends of master die are installed in the opposite side wall of two backplate, two the delivery plate is installed to the lower extreme of backplate, the auxiliary tank has all been seted up to the lateral wall of delivery plate about its central symmetry, the mounting panel is all installed to the inner wall in auxiliary tank, electric putter is installed to the upper end of mounting panel, the sliding block is installed to electric putter's output, B mould hydraulic stem is installed to the sliding block, B supplementary cushion is installed to the output of B mould hydraulic stem, C mould hydraulic stem is installed to the inner wall of delivery plate, C supplementary cushion is installed to the output of C mould hydraulic stem.
Further, the main die is provided with a punching groove, the punching block and the movable block are positioned above the punching groove, and the C auxiliary punch is arranged below the punching groove.
Further, the conveying mechanism comprises a supporting frame, wherein the supporting frame is installed on the side wall of one supporting plate, a second motor is installed at the upper end of the supporting frame, a transmission shaft is installed at the output end of the second motor through a coupling, the transmission shaft is rotationally connected with two supporting plates, the two supporting plates are rotationally connected with an auxiliary conveying shaft, the side wall of the transmission shaft between the two supporting plates and the side wall of the auxiliary conveying shaft between the two supporting plates are in transmission connection with a conveying belt, auxiliary sliding plates are installed on the opposite side walls of the two supporting plates, and the movement of silicon steel sheets is facilitated.
Further, the horizontal plane of the upper end of the conveying belt and the horizontal plane of the upper end of the main die are in the same horizontal plane, the horizontal plane of the upper end of the auxiliary sliding plate is 1-2cm lower than the horizontal plane of the upper end of the main die, and the retaining block and the ungrooved side wall of the upper end of the main die are in the same vertical horizontal plane, so that the auxiliary sliding plate can conveniently support the movement of the silicon steel sheet.
The transformer core stamping forming method adopts the transformer core stamping forming equipment and comprises the following steps:
s1: the second motor of the conveying mechanism is started, then the conveying belt is driven to rotate by the second motor through a transmission shaft, a silicon steel sheet of the iron core is placed at the upper end of the conveying belt, and the silicon steel sheet is conveyed to the upper end of the main die by the conveying belt;
s2: starting a first motor of the driving mechanism, driving the connecting plate to rotate by the first motor through the driving rod driven by the rotating disc, and then driving the auxiliary plate to move up and down by the connecting plate through the connecting shaft, and driving the stamping mechanism to move up and down by the auxiliary plate through the movable block;
s3: in the process of S operation, a B hydraulic rod is started, the B hydraulic rod pushes a B auxiliary punch to move downwards, the horizontal plane of the lower end of the B auxiliary punch and the horizontal plane of the lower end of the punching block are located at the same horizontal plane, a C hydraulic rod is started, the C hydraulic rod pushes a C auxiliary punch to move to the horizontal plane of the lower end of the punching block, and the horizontal plane of the lower end of the C hydraulic rod and the horizontal plane of the lower end of the punching block are located at the same horizontal plane;
s4: the movable block in the up-and-down moving stamping mechanism pushes the stamping block to move downwards, and the fixing block firstly contacts the silicon steel sheet of the iron core at the upper end of the main die in the process of approaching the main die, and the fixing block props against the silicon steel sheet to keep the silicon steel sheet stable and keep the silicon steel sheet in a tense state;
s5: the punching block continuously faces to the punching groove at the main die, the iron core is punched from the silicon steel sheet and falls to the inner wall of the conveying plate freely.
Compared with the prior art, the invention has the advantages that:
(1) According to the invention, three different iron core accessories are punched through the deformable punching mechanism and the stamping die which are changed together, so that the time for changing different dies is reduced, the operation of allocating different iron core dies is simplified, the punching efficiency is improved, and the production cost of iron core punching is reduced through the cooperation of the punching mechanism and the stamping die.
(2) The invention is convenient to adjust the azimuth of the hydraulic rod of the C die and the C auxiliary cushion block through the sliding block, and prevents the iron core which is punched to fall from moving.
(3) According to the invention, the punched waste and the iron core are respectively conveyed by the auxiliary sliding plate and the conveying plate, so that the waste and the iron core are prevented from being mixed together in the conveying process, the time for separating the waste and the iron core again is reduced, and the conveying efficiency is improved.
(4) According to the invention, the limiting rod and the movable block slide up and down on the mounting box, so that the stamping block is kept to slide up and down stably, deflection in the process of up and down movement of the stamping block is avoided, and the probability of unqualified iron cores at the stamping position is reduced.
Drawings
FIG. 1 is a perspective cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the portion G in FIG. 1;
FIG. 3 is an enlarged schematic view of the portion F in FIG. 1;
FIG. 4 is a cross-sectional view of the structure of the present invention;
FIG. 5 is a side cross-sectional view of the structure of the present invention;
FIG. 6 is a right side view of the structure of the present invention;
FIG. 7 is a schematic diagram showing structural connection of a punching block, a B hydraulic rod and a C hydraulic rod according to the present invention;
FIG. 8 is a cross-sectional view of a punch block according to the present invention;
FIG. 9 is a schematic view of the connection of the movable block and the retention cylinder structure of the present invention;
FIG. 10 is a schematic view of a retention block according to the present invention;
FIG. 11 is an exploded view of the core structure of the present invention;
fig. 12 is a schematic diagram of a mold corresponding to the type a exploded iron core in fig. 11;
fig. 13 is a schematic diagram of a punching block corresponding to the type a exploded iron core in fig. 11;
fig. 14 is a schematic diagram of a mold corresponding to the B-type split core of fig. 11;
fig. 15 is a schematic diagram of a punching block corresponding to the B-type split core of fig. 11;
fig. 16 is a schematic view of a mold corresponding to the C-shaped exploded iron core of fig. 11;
fig. 17 is a schematic diagram of a punching block corresponding to the C-shaped exploded iron core in fig. 11.
The reference numerals in the figures illustrate:
1. a support plate; 2. a mounting frame; 3. a mounting box; 41. a first motor; 42. a rotating disc; 43. a transmission rod; 44. a connecting plate; 45. a movable block; 46. an auxiliary plate; 47. a connecting shaft; 48. a mounting block; 51. stamping blocks; 52. b, a hydraulic rod; 53. b, assisting a punch; 54. c, a hydraulic rod; 55. c, an auxiliary punch; 56. a side plate; 57. a limit rod; 58. an auxiliary spring; 59. a retention block; 510. a retention cylinder; 511. a retention spring; 6. a main mold; 61. a conveying plate; 62. a mounting plate; 63. an electric push rod; 64. a sliding block; 65. b a die hydraulic rod; 66. b, auxiliary cushion blocks; 67. c, a die hydraulic rod; 68. c, auxiliary cushion blocks; 71. a second motor; 72. a transmission shaft; 73. a conveyor belt; 74. an auxiliary skateboard; 75. and (5) supporting frames.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments, are based on embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1: referring to fig. 1, a transformer core stamping forming device comprises two support plates 1, wherein two mounting frames 2 are mounted at the upper ends of the two support plates 1, a mounting box 3 is mounted at the upper ends of the four mounting frames 2, a control box is mounted on the side wall of the mounting box 3 and extends to the inner cavity of the mounting box 3, a ventilation groove is formed in one side wall of the mounting box 3, screening nets are mounted on the inner wall of the ventilation groove, suspended matters in air are prevented from entering the inner cavity of the mounting box 3, the work of a first motor 41 in the inner cavity of the mounting box 3 is affected, a driving mechanism is mounted on the inner wall of the mounting box 3, the driving mechanism is in transmission connection with a stamping mechanism capable of moving up and down and changing shape, and a stamping die capable of synchronously changing shape along with the change of the stamping mechanism is arranged below the stamping mechanism.
Referring to fig. 1, 4 and 6, the driving mechanism includes a mounting block 48, the mounting block 48 is mounted on an inner wall of the mounting box 3, a first motor 41 is mounted at an upper end of the mounting block 48, a rotating disc 42 is mounted at an output end of the first motor 41 through a coupling, a transmission rod 43 is mounted on a side wall of the rotating disc 42, the transmission rod 43 is rotationally connected with a connecting plate 44, both ends of the connecting plate 44 are provided with rotating holes, and the transmission rod 43 is rotationally connected with the rotating holes;
referring to fig. 1, 4 and 6, the driving mechanism further includes a movable block 45, a side wall of the installation box 3 is provided with a square sliding hole that slides up and down, the movable block 45 is slidably connected with the square sliding hole, two auxiliary plates 46 symmetrically disposed about a center line of the movable block 45 are mounted at an upper end of the movable block 45, connecting shafts 47 are mounted on opposite side walls of the two auxiliary plates 46, one end of the connecting plates 44 away from the transmission rod 43 is rotatably connected with the connecting shafts 47, and the connecting shafts 47 are rotatably connected with the rotating holes.
Referring to fig. 1, 2, 4, 5, 6, 7 and 8, the stamping mechanism includes a stamping block 51, the stamping block 51 is mounted at the lower end of the movable block 45, two B hydraulic rods 52 symmetrically disposed about the center of the stamping block 51 are mounted at two ends of the stamping block 51, a B auxiliary punch 53 is mounted at the output end of the B hydraulic rod 52, the B auxiliary punch 53 contacts with but is not connected to a side wall of the stamping block 51, no gap exists between the B auxiliary punch 53 and a contact surface of the stamping block 51, a C hydraulic rod 54 is mounted at one side wall of the stamping block 51, a C auxiliary punch 55 is mounted at the output end of the C hydraulic rod 54, the C auxiliary punch 55 contacts with but is not connected to a side wall of the stamping block 51, and no gap exists between the C auxiliary punch 55 and the contact surface of the stamping block 51, so that the B auxiliary punch 53 is pushed to fall through the B hydraulic rod 52 to adapt the B auxiliary punch 53 and the stamping block 51 to the iron core to decompose B type stamping.
Referring to fig. 1, fig. 2, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the side plates 56 are all installed on the symmetrical side walls of the movable block 45, the limit rods 57 are all installed on the upper ends of each side plate 56, the limit rods 57 are slidably connected with the installation boxes 3, eight symmetrically arranged circular sliding holes are formed on the lower side walls of the installation boxes 3, the connecting shafts 47 are slidably connected with adjacent circular sliding holes, the limit rods 57 extend to the side walls of the inner cavities of the installation boxes 3 and are sleeved with auxiliary springs 58, two ends of each auxiliary spring 58 are respectively connected with the upper ends of the connecting shafts 47 and the inner walls of the installation boxes 3, the movable block 45 is provided with four auxiliary cavities, the inner walls of each auxiliary cavity are slidably connected with a retention cylinder 510, the lower ends of each two adjacent retention cylinders 510 are provided with a retention block 59, the retention cylinders 510 are arranged between the inner walls facing the auxiliary cavities, two ends of each retention spring 511 are respectively connected with the inner walls of the auxiliary cavities and the inner walls of the retention cylinders 510, the retention springs 511 are convenient for the retention springs 511 to reduce the impact when the limit rods 57 slide up and down, and the inner walls of the retention boxes 3 are prevented from emitting impact noise.
Referring to fig. 1, 3, 4, 5, 6, 12, 13, 14, 15, 16 and 17, the stamping die includes a main die 6, two ends of the main die 6 are mounted on opposite side walls of two support plates 1, a conveying plate 61 is mounted at a lower end of the two support plates 1, auxiliary grooves are formed in side walls of the conveying plate 61 symmetrical about a central line, mounting plates 62 are mounted on inner walls of the auxiliary grooves, electric push rods 63 are mounted at upper ends of the mounting plates 62, sliding blocks 64 are mounted at output ends of the electric push rods 63, B die hydraulic rods 65 are mounted on the sliding blocks 64, B auxiliary cushion blocks 66 are mounted at output ends of the B die hydraulic rods 65, C die hydraulic rods 67 are mounted on inner walls of the conveying plate 61, and C auxiliary cushion blocks 68 are mounted at output ends of the C die hydraulic rods 67.
Referring to fig. 1, 3, 4, 5, 6, 12, 13, 14, 15, 16 and 17, the main die 6 is provided with a punching slot, the punching slot is matched with the shape a in the iron core disassembly, the punching block 51 and the movable block 45 are located above the punching slot, and the C-auxiliary punch 55 is located below the punching slot.
Referring to fig. 1, 4, 5 and 6, the conveying mechanism comprises a supporting frame 75, the supporting frame 75 is installed on the side wall of one supporting plate 1, a second motor 71 is installed at the upper end of the supporting frame 75, a transmission shaft 72 is installed at the output end of the second motor 71 through a coupler, the transmission shaft 72 is rotationally connected with two supporting plates 1, the two supporting plates 1 are rotationally connected with an auxiliary conveying shaft, auxiliary rotating holes which are respectively matched with the transmission shaft 72 and the conveying shaft are formed in the side wall of the two supporting plates 1, a conveying belt 73 is connected with the side wall of the transmission shaft 72 between the two supporting plates 1 and the side wall of the auxiliary conveying shaft between the two supporting plates 1 in a transmission mode, and auxiliary sliding plates 74 are installed on opposite side walls of the two supporting plates 1, so that silicon steel sheets can be conveyed conveniently.
Referring to fig. 1, 2, 4, 5, 6, 9, 10, 12 and 13, the horizontal plane of the upper end of the conveyor belt 73 is the same as the horizontal plane of the upper end of the main mold 6, the horizontal plane of the upper end of the auxiliary slide plate 74 is 1-2cm lower than the horizontal plane of the upper end of the main mold 6, and the retaining block 59 is the same vertical horizontal plane as the ungrooved side wall of the upper end of the main mold 6, so that the auxiliary slide plate 74 is convenient for supporting the movement of the silicon steel sheet.
The transformer core stamping forming method adopts the transformer core stamping forming equipment and comprises the following steps:
s1: the second motor 71 of the conveying mechanism is started, the conveying belt 73 is driven to rotate by the second motor 71 through the transmission shaft 72, the silicon steel sheet of the iron core is placed at the upper end of the conveying belt 73, and the silicon steel sheet is conveyed to the upper end of the main die 6 by the conveying belt 73;
s2: starting a first motor 41 of the driving mechanism, driving a transmission rod 43 to drive a connecting plate 44 to rotate by the first motor 41 through a rotating disc 42, then driving an auxiliary plate 46 to move up and down by the connecting plate 44 through a connecting shaft 47, and driving the punching mechanism to move up and down by the auxiliary plate 46 through a movable block 45;
s3: in the operation process of S2, the B hydraulic rod 52 is started, the B hydraulic rod 52 pushes the B auxiliary punch 53 to move downwards, the horizontal plane of the lower end of the B auxiliary punch 53 is the same as the horizontal plane of the lower end of the stamping block 51, the C hydraulic rod 54 is started, the C hydraulic rod 54 pushes the C auxiliary punch 55 to move to the horizontal plane of the lower end of the stamping block 51, and the horizontal plane of the lower end of the C hydraulic rod 54 and the horizontal plane of the lower end of the stamping block 51 are the same;
s4: the movable block 45 in the up-and-down moving stamping mechanism pushes the stamping block 51 to move downwards, and the fixing block 59 firstly contacts the silicon steel sheet of the iron core at the upper end of the main die 6 in the process of approaching the main die 6 by the stamping block 51, and the fixing block 59 props against the silicon steel sheet to keep the silicon steel sheet stable and keep the silicon steel sheet in a tense state;
s5: the punching block 51 continues to face into the punching groove at the main die 6, punching the iron core from the sheet of silicon steel, and freely falling therefrom to the inner wall of the conveying plate 61.
Compared with the stamping forming equipment in the prior art, the device is convenient to push the B auxiliary punch 53 and the C auxiliary punch 55 to move downwards through the B hydraulic rod 52 and the C hydraulic rod 54 respectively, the horizontal planes of the lower ends of the B auxiliary punch 53 and the C auxiliary punch 55 are all in the same horizontal plane with the horizontal plane of the lower end of the stamping block 51, and then the movable block 45 pushes the stamping block 51 to move downwards, so that the stamping block 51, the B auxiliary punch 53 and the C auxiliary punch 55 are conveniently stamped to the position of the main die 6, and the shape A of the iron core after being decomposed is stamped;
the device conveniently pushes the lower surface of the B auxiliary punch 53 to be at the same horizontal plane with the horizontal plane where the lower end of the punching block 51 is located through the B hydraulic rod 52, then the C die hydraulic rod 67 pushes the C auxiliary cushion block 68 into the punching groove of the main die 6, the C auxiliary cushion block 68 and the upper surface of the main die 6 are all at the same horizontal plane, and then the movable block 45 pushes the punching block 51 and the B auxiliary punch 53 to be pressed down, so that the B shape of the iron core after being decomposed is punched;
the device conveniently pushes the C auxiliary punch 55 to fall through the C hydraulic rod 54, enables the horizontal plane of the lower end of the C auxiliary punch 55 and the horizontal plane of the lower end of the punching block 51 to be in the same horizontal plane, then the electric push rod 63 pushes the sliding block 64 and the B die hydraulic rod 65 to slide, enables the B die hydraulic rod 65 to be arranged below the punching groove of the main die 6, then the B die hydraulic rod 65 pushes the B auxiliary cushion block 66 to move into the punching groove of the main die 6, enables the horizontal plane of the upper end of the B auxiliary cushion block 66 and the horizontal plane of the upper end of the main die 6 to be in the same horizontal plane, pushes the C auxiliary punch 55 through the C hydraulic rod 54, enables the horizontal plane of the lower end of the C hydraulic rod 54 and the horizontal plane of the lower end of the punching block 51 to be in the same horizontal plane, and then the movable block 45 pushes the punching block 51 and the C auxiliary punch 55 to be punched to the position of the main die 6, and the C shape after iron core decomposition is punched.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.
Claims (9)
1. Transformer core stamping forming equipment, including two backplate (1), its characterized in that: two mounting frames (2) are mounted at the upper ends of the two support plates (1), mounting boxes (3) are mounted at the upper ends of the four mounting frames (2), driving mechanisms are mounted on the inner walls of the mounting boxes (3), the driving mechanisms are connected with stamping mechanisms capable of moving up and down and changing shapes in a transmission mode, and stamping dies capable of synchronously changing shapes along with the change of the stamping mechanisms are arranged below the stamping mechanisms.
2. A transformer core press forming apparatus as claimed in claim 1, wherein: the driving mechanism comprises a mounting block (48), the mounting block (48) is mounted on the inner wall of the mounting box (3), a first motor (41) is mounted at the upper end of the mounting block (48), a rotating disc (42) is mounted at the output end of the first motor (41) through a coupler, a transmission rod (43) is mounted on the side wall of the rotating disc (42), and a connecting plate (44) is rotatably connected with the transmission rod (43);
the driving mechanism further comprises a movable block (45), two auxiliary plates (46) symmetrically arranged about the center line of the upper end of the movable block (45) are arranged, connecting shafts (47) are arranged on the opposite side walls of the two auxiliary plates (46), and one end, far away from the transmission rod (43), of the connecting plate (44) is rotationally connected with the connecting shafts (47).
3. A transformer core press forming apparatus as claimed in claim 2, wherein: the stamping mechanism comprises a stamping block (51), wherein the stamping block (51) is arranged at the lower end of the movable block (45), two B hydraulic rods (52) which are symmetrically arranged at the center of the stamping block (51) are arranged at the two ends of the stamping block, a B auxiliary punch (53) is arranged at the output end of the B hydraulic rod (52), a C hydraulic rod (54) is arranged on one side wall of the stamping block (51), and a C auxiliary punch (55) is arranged at the output end of the C hydraulic rod (54).
4. A transformer core press forming apparatus as recited by claim 3, wherein: side board (56) are all installed to the symmetry lateral wall of movable block (45), every gag lever post (57) are all installed to the upper end of curb plate (56), gag lever post (57) sliding connection install bin (3), gag lever post (57) extend to lateral wall cover in install bin (3) inner chamber and are equipped with auxiliary spring (58), four auxiliary chambers have been seted up to movable block (45), every the equal sliding connection in inner wall in auxiliary chamber has a retention section of thick bamboo (510), and two adjacent retention section of thick bamboo (510) are installed to the lower extreme of retention section of thick bamboo (59), install retention spring (511) between the inner wall in retention section of thick bamboo (510) orientation auxiliary chamber, the inner wall in auxiliary chamber and the inner wall in retention section of thick bamboo (510) are connected respectively to the both ends of retention spring (511).
5. The transformer core press forming apparatus of claim 4, wherein: stamping die is including main mould (6), the both ends of main mould (6) are installed in the opposite side wall of two backplate (1), two conveying plate (61) are installed to the lower extreme of backplate (1), auxiliary groove has all been seted up to conveying plate (61) about the lateral wall of its centre line symmetry, mounting panel (62) are all installed to the inner wall of auxiliary groove, electric putter (63) are installed to the upper end of mounting panel (62), sliding block (64) are installed to the output of electric putter (63), B mould hydraulic stem (65) are installed to sliding block (64), B auxiliary cushion (66) are installed to the output of B mould hydraulic stem (65), C mould hydraulic stem (67) are installed to the inner wall of conveying plate (61), C auxiliary cushion (68) are installed to the output of C mould hydraulic stem (67).
6. The transformer core press forming apparatus of claim 5, wherein: the main die (6) is provided with a punching groove, the punching block (51) and the movable block (45) are positioned above the punching groove, and the C auxiliary punch (55) is arranged below the punching groove.
7. The transformer core press forming apparatus of claim 6, wherein: still including conveying mechanism, conveying mechanism is including support frame (75), one of them support frame (75) are installed to the lateral wall of backplate (1), second motor (71) are installed to the upper end of support frame (75), transmission shaft (72) are installed through the shaft coupling to the output of second motor (71), transmission shaft (72) rotate and connect two backplate (1), two backplate (1) rotate and connect supplementary conveying axle, lateral wall that transmission shaft (72) are in between two backplate (1) and supplementary conveying axle are in the lateral wall transmission between two backplate (1) and are connected with conveyer belt (73), supplementary slide (74) are installed to the opposite lateral wall of two backplate (1).
8. The transformer core press forming apparatus of claim 7, wherein: the horizontal plane of the upper end of the conveying belt (73) is in the same horizontal plane as the horizontal plane of the upper end of the main die (6), the horizontal plane of the upper end of the auxiliary sliding plate (74) is 1-2cm lower than the horizontal plane of the upper end of the main die (6), and the retaining block (59) is in the same vertical horizontal plane as the ungrooved side wall of the upper end of the main die (6).
9. A method for press forming a transformer core using the apparatus for press forming a transformer core according to claim 8, comprising the steps of:
s1: a second motor (71) of the conveying mechanism is started, the second motor (71) drives a conveying belt (73) to rotate through a transmission shaft (72), a silicon steel sheet of an iron core is placed at the upper end of the conveying belt (73), and the conveying belt (73) conveys the silicon steel sheet to the upper end of a main die (6);
s2: starting a first motor (41) of the driving mechanism, driving a transmission rod (43) to drive a connecting plate (44) to rotate by the first motor (41) through a rotating disc (42), then driving an auxiliary plate (46) to move up and down by the connecting plate (44) through a connecting shaft (47), and driving the punching mechanism to move up and down by the auxiliary plate (46) through a movable block (45);
s3: in the operation process of S2, a B hydraulic rod (52) is started, the B hydraulic rod (52) pushes a B auxiliary punch (53) to move downwards, the horizontal plane of the lower end of the B auxiliary punch (53) and the horizontal plane of the lower end of a stamping block (51) are in the same horizontal plane, a C hydraulic rod (54) is started, the C hydraulic rod (54) pushes a C auxiliary punch (55) to move to the horizontal plane of the lower end of the stamping block (51), and the horizontal plane of the lower end of the C hydraulic rod (54) and the horizontal plane of the lower end of the stamping block (51) are in the same horizontal plane;
s4: a movable block (45) in the up-and-down moving stamping mechanism pushes a stamping block (51) to move downwards, and a fixing block (59) firstly contacts a silicon steel sheet of an iron core at the upper end of a main die (6) in the process of approaching the main die (6) by the stamping block (51), and the fixing block (59) props against the silicon steel sheet to keep the silicon steel sheet stable and keep the silicon steel sheet in a tense state;
s5: the punching block (51) continuously faces to a punching groove at the position of the main die (6), the iron core is punched from the silicon steel sheet, and the iron core freely falls to the inner wall of the conveying plate (61).
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