JP2020123694A - Lamination material manufacturing apparatus for forming lamination core - Google Patents

Abstract

To provide a lamination material manufacturing apparatus for forming a lamination core, in which a stoppered polymerization lamination material which enables significant reduction of a man hour of forming the lamination core can be mass-produced.SOLUTION: In a lamination material manufacturing apparatus for forming a lamination core, a cutting device part 3 is provided to a transfer device part 2 that transfers a processing hoop material 1, and the transfer device part 2 is structured so that a plurality of processing hoop materials 1 supplied from a plurality of supply parts 5 is overlapped orderly and is transferred as an overlapping hoop material 1A. On an upstream side to a transfer direction from the cutting device part 3 of the transfer device part 2, a welding electrode part 7 that welds the plurality of overlapping hoop materials 1A intermittently transferred so as to be overlapped at a time of a feeding stop driving to be overlapped and stopped is provided. After each overlapping hoop material 1A intermittently transferred in the welding electrode part 7 is welded, it is cut by the cutting device part 3, and a stoppered polymerization lamination material 40 is formed.SELECTED DRAWING: Figure 1

Description

The present invention relates to a laminated material manufacturing apparatus for forming a laminated core for manufacturing a laminated material for forming a laminated core used as an iron core (magnetic block) inserted in a coil of a transformer, a reactor or a motor. Is.

For example, strip-shaped single plates (laminated materials) such as silicon steel plates are stacked in the plate thickness direction and laminated so as to have a substantially prismatic shape as a whole, and these are adhered to form a block-shaped laminated core (see FIG. 4). Although manufactured, the applicant has developed and filed a patent for Japanese Patent Application Laid-Open No. 2013-252590 (Patent Document 1) as a manufacturing apparatus for manufacturing a laminated material which is a main part of such a laminated core.

Briefly describing this Patent Document 1, a cutting device is provided in a carrying device for intermittently carrying the hoop material, and the hoop material is cut into strips one after another and the cut pieces are discharged in a stacked state to a discharge part. It is configured to produce a laminated material for forming a laminated core.

JP, 2013-252590, A

For transformers, reactors, or motors in which a laminated core (iron core) is inserted, an ultra-thin plate with a thickness of about 25 μm such as amorphous metal that achieves significant energy saving and high efficiency is often adopted as a laminated material. Is coming.

However, since it is extremely difficult to align such ultra-thin laminated materials with a parts feeder, it is necessary to rely on manual work, and several hundreds of these ultra-thin sheets (laminated materials) are used to form a laminated core. Since it is necessary to align and stack several thousand sheets, increasing the number of steps has been a major issue.

The present invention is intended to solve such a problem and solves it. It is possible to automatically align the parts using a parts feeder and to significantly reduce the number of stacking steps. It is intended to provide a laminated material manufacturing apparatus for forming a laminated core, which is capable of mass-producing an already polymerized laminated material.

The gist of the present invention will be described with reference to the accompanying drawings.

The cutting device section 3 is provided in the conveying device section 2 that conveys the processing hoop material 1, and the processing hoop material 1 intermittently conveyed by the intermittent drive of the conveying device section 2 is successively cut by the cutting device section 3. A laminate material manufacturing apparatus for forming a laminated core, wherein the laminate material 4 for forming a laminated core A is manufactured by being cut into strips, and the conveying device section 2 is provided with a plurality of supply sections 5. The processing hoop material 1 is configured to be superposed and conveyed as a superposed hoop material 1A, and the superposed hoop material 1A is driven to be stopped at a position upstream of the cutting device portion 3 of the conveying device portion 2 in the conveying direction. A welding electrode portion 7 that is sometimes welded and superposed and fastened is provided, and after the superposed hoop material 1A intermittently conveyed by the welding electrode portion 7 is welded, it is cut and fastened by the cutting device portion 3. The present invention relates to a laminated material manufacturing apparatus for forming a laminated core, which is configured to form a pre-polymerized laminated material 40.

In addition, a correction guide 8 that corrects lateral displacement of the plurality of processing hoop materials 1 in the transport direction is provided in the transfer device section 2, and the plurality of processing hoop materials 1 are regularly stacked by the correction guide 8. The laminated material manufacturing apparatus for forming a laminated core according to claim 1, wherein the polymerized hoop material 1A is configured to be intermittently conveyed.

Further, a plurality of the welding electrode portions 7 are provided in a juxtaposed state, and the plurality of welding hoop members 1A intermittently conveyed by the plurality of welding electrode portions 7 are simultaneously welded and superposed and fastened. The present invention relates to the laminated material manufacturing apparatus for forming a laminated core according to any one of claims 1 and 2.

In addition, the transport device unit 2 is configured such that the plurality of processing hoop materials 1 supplied from the plurality of supply units 5 are vertically stacked and transported as a superposed hoop material 1A. Reference numeral 7 is composed of a positive electrode 7A arranged above or below the polymerized hoop material 1A and a negative electrode 7B arranged below or above the polymerized hoop material 1A, and is used for intermittent driving of the carrying device section 2. The positive electrode 7A or the negative electrode 7B is synchronously provided with a welding synchronous drive control unit for driving the superposed hoop material 1A closer to and away from the superposed hoop material 1A. 7A or the negative electrode 7B are separated from each other, and when the feeding of the polymerized hoop material 1A is stopped, the positive electrode 7A or the negative electrode 7B approaches the polymerized hoop material 1A, and the polymerized hoop material 1A is sandwiched between the positive electrode 7A and the negative electrode 7B and welded. The laminated material manufacturing apparatus for forming a laminated core according to any one of claims 1 to 3, wherein the laminated material manufacturing apparatus is formed.

INDUSTRIAL APPLICABILITY Since the present invention is configured as described above, it becomes a laminated material manufacturing apparatus for forming a laminated core that is extremely practical and can mass-produce a fastened polymerized laminated material in which a plurality of strip-shaped laminated materials are polymerized and fastened. ..

Since the fastened polymerized laminated material produced by this device has a thickness corresponding to a plurality of laminated materials, it is easy to handle and can be automatically aligned using a parts feeder. When stacking pre-polymerized laminated materials to form a laminated core of a predetermined size, the number of man-hours required for laminating work is significantly reduced, and therefore the laminating core forming work is significantly simplified compared to the past. ..

Further, according to the invention of claim 2, it is possible to mass-produce a fast-fixed polymerized laminated material in which a plurality of strip-shaped laminated materials are orderly stacked and fastened to form a laminated core having a more practical structure. It will be a laminated material manufacturing device.

Further, in the invention according to claim 3, a laminated material manufacturing apparatus for forming a laminated core having a more practical structure, which enables mass production of a firmly polymerized and firmly fixed polymerized laminated material which is easy to handle. Become.

Further, in the invention according to claim 4, it is possible to easily design and realize an apparatus configuration having a welding electrode portion capable of reliably welding and superimposing and fixing a plurality of processing hoop materials, which is more practical. This is a laminated material manufacturing apparatus for forming a laminated core having a structure.

It is a schematic explanatory perspective view which shows a present Example. It is an explanatory front view showing a welding electrode portion of the present embodiment. FIG. 4 is an explanatory perspective view showing a state in which the fastened polymerized laminate material produced in this example is laminated to form a laminated core. FIG. 6 is an explanatory perspective view showing a laminated core formed by using the fastened polymerized laminated material manufactured in this example.

A preferred embodiment of the present invention will be briefly described with reference to the drawings showing the operation of the present invention.

The processing hoop material 1 is supplied from the plurality of supply portions 5 to the transport device portion 2, and the plurality of processing hoop materials 1 are stacked to form a polymerized hoop material 1A, and the cutting device portion 3 is intermittently driven by the transport device portion 2. Is intermittently transported to.

Further, the intermittently conveyed superposed hoop material 1A is sequentially welded and superposed and fixed by the welding electrode portion 7 provided on the upstream side in the conveying direction of the cutting device portion 3 at the time of the feed stop drive, and thereafter. The fastened polymerized laminated material 40 is manufactured (mass-produced) by being conveyed to the cutting device section 3 and successively cut, and the plurality of strip-shaped laminated materials 4 are polymerized and fixed by welding.

Since the fastened polymerized laminated material 40 formed by the laminated material manufacturing apparatus for forming a laminated core of the present invention has a thickness of four laminated materials, it is easy to handle and is automatically aligned by using, for example, a parts feeder. It is also possible to let.

In addition, when laminating the fastened polymerized laminated material 40 to form the laminated core A having a predetermined size, the thickness of the fastened polymerized laminated material 40 is equal to that of four or more laminated materials. Will significantly reduce the number of man-hours.

Specific embodiments of the present invention will be described with reference to the drawings.

In the present embodiment, for example, a conveying device unit 2 that conveys the processing hoop material 1 drawn out from the processing material supply roll 5 (supplying unit 5) wound with a strip-shaped amorphous metal plate is provided. The cutting device section 3 is provided on the leading end side in the carrying direction, and the processing hoop material 1 carried from the carrying apparatus section 2 is cut into strips one after another by the cutting device section 3 to cut the cut pieces (laminated material 4). It is configured such that the laminated material 4 for manufacturing the laminated core A is stacked by being dropped and discharged to a discharge portion 9 which is a discharge receiving portion adjacent to the cutting device portion 3.

Further, as shown in FIG. 1, the conveying device section 2 of the present embodiment is provided with a work material feed roller 10 for pulling and driving the work hoop material 1 from the work material supply roll 5, and the work material feed roller 10. A conveyance drive unit 12 including a machining material supporting roller 11 for guiding the machining hoop material 1 conveyed horizontally by the machining material feeding roller 10 provided in a state of vertically abutting contact with the machining material supporting roller 10, and this conveyance. The processing hoop material 1 drawn out from the processing material supply roll 5 is horizontally provided on the upstream side of the driving portion 12 in the transportation direction, with a plurality of processing hoop materials 1 (two positions in the drawing) installed at intervals in the transportation direction. And a processing material receiving table 13 that supports and conveys the material, and intermittently drives (the processing material feeding roller 10 of) the transportation driving portion 12 to intermittently convey the processing hoop material 1 and a transportation direction from the transportation driving portion 12. The cutting device section 3 provided on the downstream side is configured to sequentially cut.

In addition, the transport device unit 2 is configured so that the plurality of processing hoop materials 1 having a plate thickness of 25 μm supplied from the plurality of supply units 5 (working material supply rolls 5) are stacked in an orderly manner and transported. There is.

Specifically, in the present embodiment, the processing material supply rolls 5 are arranged outside the supply side end of the conveying device section 2 in three upper and lower stages, and are supplied from the processing material supply rolls 5 in the upper and lower three stages. Three pieces of the processing hoop material 1 are intermittently transported by the transportation driving unit 12, and are superposed on the processing material cradle 13 installed in the vicinity of the supply side end of the transportation device unit 2 to form a polymerized hoop material. It is configured to be 1A.

Further, in the present embodiment, the conveying device section 2 is provided with a correction guide 8 for correcting lateral deviation of the plurality of processing hoop materials 1 in the conveying direction, and the plurality of processing hoop materials 1 are provided by the correction guide 8. The comrades are configured to be intermittently conveyed as a superposed hoop material 1A that is vertically stacked.

Specifically, on each of the above-mentioned work material receiving bases 13 of the carrying device section 2, a columnar shape is provided with a left-right facing interval equal to the lateral width dimension (width dimension in the direction orthogonal to the carrying direction) of the working hoop material 1. The correction guide 8 is provided in an upright state, and the superposed hoop material 1A is conveyed between the left and right correction guides 8 so that the three processing hoop materials 1 forming the superposed hoop material 1A It is configured so that lateral deviations with respect to the conveyance direction are corrected and they are vertically stacked in an orderly manner (see FIG. 2).

In addition, in the present embodiment, a spot welding machine that welds the polymerized hoop material 1A that is intermittently transported to the upstream side of the cutting device portion 3 of the transporting device portion 2 in the transport direction by welding at the time of driving to stop the stacking is performed. A welding electrode portion 7 is provided, and after the polymerized hoop material 1A is welded at this welding electrode portion 7, it is cut by the cutting device portion 3 and a plurality of sheets as shown in FIG. 3 (three sheets are shown). The laminated polymer laminated material 40 having a thickness of 75 μm, which is a laminated body of the laminated material 4 of FIG.

Specifically, the negative electrode 7B of the welding electrode portion 7 is embedded in the working material receiving table 13 existing on the downstream side in the carrying direction of the carrying device section 2 and the working material receiving table 13 where the negative electrode 7B exists. The positive electrode 7A of the welding electrode portion 7 is disposed in a vertically opposed state, and the polymerized hoop material 1A is sandwiched between the positive electrode 7A and the negative electrode 7B, so that a plurality of processing members forming the polymerized hoop material 1A are formed. The hoop members 1 are configured to be welded (polymerized and fixed) (see FIG. 2).

In addition, the welding electrode portion 7 is configured so that the positive electrode 7A is moved up and down, and the positive electrode 7A is moved up and down in contact with the polymerized hoop material 1A in synchronization with the intermittent drive of the transfer device portion 2. A welding synchronous drive control unit (not shown) is provided, and when the welding synchronous drive control unit drives the feeding of the polymerized hoop material 1A, the positive electrode 7A rises and separates from the polymerized hoop material 1A, and when the feeding stop driving of the polymerized hoop material 1A is performed, The positive electrode 7A descends and approaches the polymerized hoop material 1A, the positive electrode 7A pressurizes the polymerized hoop material 1A from above, and the polymerized hoop material 1A is sandwiched between the positive electrode 7A and the negative electrode 7B and welded. There is.

Further, the positive electrode 7A and the negative electrode 7B are provided at three places at equal intervals in the welding electrode portion 7 in the direction orthogonal to the conveying direction of the polymerized hoop material 1A, whereby the polymerized hoop material 1A is welded at three positions at the same time. It is configured to be firmly polymerized and fastened. Reference numeral 20 in the figure is a welding mark.

The positional relationship between the positive electrode 7A and the negative electrode 7B may be upside down. Further, the negative electrode 7B may be configured to be driven to approach and separate, or both the positive electrode 7A and the negative electrode 7B may be configured to be driven to approach and separate. Further, the positive electrode 7A is illustrated as being of a pencil type, but is not limited to this.

As shown in FIG. 1, the cutting device section 3 of the present embodiment is configured to transfer the polymerized hoop material 1A intermittently conveyed by the intermittent drive of (the processing material feed roller 10 of) the transportation drive section 12 of the transportation device section 2. The processed material support portion 14 that supports the tip portion, and the movable cutting blade 15 that cuts the feed protruding end portion of the polymerized hoop material 1A that protrudes horizontally from the end edge portion of the processed material support portion 14 in the conveying direction, By moving the end edge of the processed material support portion 14 and the blade edge of the lower part of the movable cutting blade 15 past each other, the feeding protruding tip portion of the polymerized hoop material 1A protruding from the processed material support portion 14 is intermittently conveyed. It is configured to disconnect one after another.

That is, the movable cutting blade 15 provided so as to be movable in the up-down direction with respect to the processed material support portion 14 is configured to be driven downward by an unillustrated cutting elevating and lowering drive device to cut the polymerized hoop material 1 into A. The leading end of the overlapped hoop material 1A, which is intermittently conveyed by the intermittent drive of (the work material feed roller 10 of) the conveyance drive unit 12, is horizontally fed and projected from the end edge portion of the work material support portion 14 for each cutting. The tip end portion of the feed protrusion from the processed material support portion 14 is sequentially cut by the downward movement of the movable cutting blade 15 to form a strip-shaped fastened polymerized laminated material 40, and the fastened polymerized laminated material 40 is ejected. It is configured such that it is dropped onto the sheet 9 and stacked.

Further, in the present embodiment, the conveyance drive unit 12 including the processing material feed roller 10 is located upstream of the cutting device section 3 in the conveyance direction, and is fed by the distortion of the processing hoop material 1 or the bending due to its own weight. It is arranged at a position close to the cutting device section 3 where the error is within the allowable error range.

Further, in the present embodiment, the rotation amount of the rotation drive source 16 for intermittently driving the processing material feed roller 10 is configured to be program controllable by the feed roller control unit 17 (the feeding amount of the processing hoop material 1 is It is configured to be variably controlled), so that the cutting width of the processing hoop material 1 can be adjusted and controlled.

Although not shown in detail, the discharging unit 9 is configured to be movable up and down, and a discharging unit lowering device (not shown) for controlling the lowering of the discharging unit 9 is provided and stacked on the discharging unit 9. The discharge part 9 is configured to gradually descend as the stacking height of the fastened polymerized laminate material 40 increases.

That is, by providing the discharging section lowering device, it is possible to always drop the fastened polymerized laminated material 40 onto the discharging section 9 with an appropriate drop, and realize good automatic stacking by its own weight and increase the stacking height. It is possible to prevent the rotation and direction disorder of the fastened polymerized laminated material 40 due to the impact of falling by holding the appropriate drop by sequentially lowering it in accordance with the above. It is configured to be easily performed even by hand.

Further, in this embodiment, the movable cutting blade 15 is provided so as to be vertically movable with respect to the processed material support portion 14, and the movable cutting blade 15 is lowered to horizontally project from the processed material support portion 14 in the conveying direction. When the feeding protruding portion of the polymerized hoop material 1A is cut, a pressing portion 18 for pressing the polymerized hoop material 1A against the processed material support portion 14 is provided above the polymerized hoop material 1A so as to be vertically movable and separable.

Specifically, as shown in FIG. 1, a plate-shaped pressing portion 18 is provided above the polymerized hoop material 1A so as to be vertically movable, and the pressing portion 18 is operated by a feed roller control unit 17 to feed a work material feed roller. It is configured to move downward in synchronism with intermittent driving of 10 and press and hold the superposed hoop material 1A against the processed material support portion 14 by the pressing portion 18 to cut it.

That is, the work material feed roller 10 intermittently conveys the overlapped hoop material 1A under program control, projects it from the work material support portion 14 by a desired cutting width, and lowers the movable cutting blade 15 each time to cut it. Immediately before the cutting, the plate-shaped pressing portion 18 is also moved down in accordance with this timing so that the polymerized hoop material 1A is pressed against the plate-shaped processed material support portion 14 by the pressing portion 18 and cut. It is configured to be separated again after cutting, and to be intermittently conveyed again by the work material feed roller 10 so that the dimensional accuracy of the cut width of the fastened polymerized laminated material 40 is increased (of high dimensional accuracy). It is configured so that the fastened polymerized laminated material 40 (laminated core A) can be obtained.

The cutting device section 3 of the present embodiment shows a case where a cutting structure using a cutting blade (movable cutting blade 15) is adopted, but a configuration in which the fastened laminated polymer material 40 is cut by punching is adopted. It may be done.

The fastened polymerized laminated material 40 having a plate thickness of 75 μm manufactured by the manufacturing apparatus of the present embodiment configured as described above is easier to handle than the extremely thin laminated material 4 having a plate thickness of 25 μm, and parts are It is also possible to align with a feeder.

Further, when laminating the fastened polymerized laminated material 40 to form the laminated core A having a predetermined size, the fastened polymerized laminated material 40 has a thickness of four or more laminated materials. As a result, the number of man-hours required for stacking work is significantly reduced (see FIGS. 3 and 4).

It should be noted that the present invention is not limited to this embodiment, and the specific constitution of each constituent element can be designed as appropriate.

1 Processing hoop material 1A Polymerized hoop material 2 Conveyor device part 3 Cutting device part 4 Laminated material 5 Supply part 7 Welding electrode part 7A Positive electrode 7B Negative electrode 8 Correction guide
40 Fastened polymerized laminated material A Laminated core

Claims (4)

A cutting device section is provided in the carrying device section for carrying the processing hoop material, and the cutting hoop material intermittently carried by the intermittent driving of the carrying device section is cut into strips one after another by the cutting device section. A laminate material manufacturing apparatus for forming a laminated core for producing a laminated material for forming a laminated core, wherein the conveying device section is formed by superposing a plurality of the processing hoop materials supplied from a plurality of supply sections. It is configured to be conveyed as a hoop material, and a welding electrode portion for welding and superimposing and fixing the superposed hoop material at the time of feed stop drive is provided on the upstream side of the conveying device portion in the conveying direction from the cutting device portion. Then, the polymerized hoop material intermittently conveyed by the welding electrode portion is welded, and then cut by the cutting device portion to form a fastened polymerized laminated material. A laminated material manufacturing apparatus for forming a laminated core. The conveyance device section is provided with a correction guide for correcting lateral displacement of the plurality of processing hoop materials with respect to the conveyance direction, and by the correction guide, the plurality of processing hoop materials become the polymerized hoop material in an orderly manner. The laminated material manufacturing apparatus for forming a laminated core according to claim 1, wherein the laminated material manufacturing apparatus is configured to be intermittently conveyed. The welding electrode portions are provided in a plurality of juxtaposed states, and the plurality of welding hoop members intermittently conveyed by the plurality of welding electrode portions are simultaneously welded at a plurality of positions to perform polymerization fastening. The laminated material manufacturing apparatus for forming a laminated core according to any one of claims 1 and 2. The transfer device section is configured such that the plurality of processing hoop materials supplied from the plurality of supply sections are stacked one above the other to be transferred as a polymerized hoop material, and the welding electrode section includes the polymerized hoop material. Of the positive electrode and the negative electrode with respect to the polymerized hoop material, the positive electrode and the negative electrode being provided in synchronization with the intermittent drive of the transfer device section. Equipped with a welding synchronous drive control unit that drives contact and separation, the positive electrode or the negative electrode is separated from the polymerized hoop material during the feeding drive of the polymerized hoop material by the weld synchronous drive control unit, and the polymerized hoop material is driven when the feed of the polymerized hoop material is stopped. The positive electrode or the negative electrode approaches the material, and the polymerized hoop material is sandwiched between the positive electrode and the negative electrode and welded, and the positive electrode or the negative electrode is welded. A laminated material manufacturing apparatus for forming a laminated core.

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