Transformer silicon steel sheet laminating and cutting device

Abstract

The utility model discloses a transformer silicon steel sheet laminating and cutting device which comprises an objective table, a three-axis moving device is arranged at the top of the objective table, and at least one adsorption part and at least one pressing part are arranged at the moving end, close to the objective table, of the three-axis moving device; a positioning device is arranged on the objective table corresponding to the edge of the silicon steel sheet, an avoiding groove is formed in the objective table corresponding to the outline of a winding groove to be cut of the silicon steel sheet, and a cutting device is correspondingly arranged in the avoiding groove; the cutting device comprises a lifting supporting part and a pressing cutting part, the lifting supporting part is arranged in the avoiding groove in a sliding fit mode corresponding to the cutting position of the winding groove, and the pressing cutting part is arranged above the silicon steel sheet corresponding to the cutting position of the winding groove; according to the utility model, winding grooves on the silicon steel sheets can be cut one by one, and then the silicon steel sheets are laminated one by one, so that the deformation of the silicon steel sheets in the laminating process is effectively avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of transformer silicon steel sheet stacking processing and relates to a transformer silicon steel sheet stacking cutting device. Background Art

[0002] The iron core of the transformer is formed by stacking and solidifying a number of silicon steel sheets in layers. The existing silicon steel sheet stacking device stacks a number of silicon steel sheets and then presses them together at one time through a pressing device. Due to positioning errors in the process of stacking a number of silicon steel sheets, and the thickness of the stacked silicon steel sheets increases, the existing silicon steel sheet stacking device will cause displacement and deformation of the silicon steel sheets during the process of pressing the silicon steel sheets. Especially for silicon steel sheets with winding grooves, in the process of stacking a number of thicker silicon steel sheets at one time, it is very easy to cause deformation at the winding grooves, thereby affecting the quality of the final iron core product.

[0003] Therefore, in view of the above-mentioned defects of the existing transformer silicon steel sheet stacking device, the utility model discloses a transformer silicon steel sheet stacking and cutting device. Utility Model Content

[0004] The utility model aims to provide a transformer silicon steel sheet stacking and cutting device, which can cut the winding grooves on the silicon steel sheets one by one and then stack the silicon steel sheets one by one, thereby effectively avoiding deformation of the silicon steel sheets during the stacking process.

[0005] The utility model is realized by the following technical solutions:

[0006] A transformer silicon steel sheet stacking and cutting device comprises a loading platform, a three-axis moving device is arranged on the top of the loading platform, and at least one adsorption portion and at least one pressing portion are arranged on the moving end of the three-axis moving device close to the loading platform; a positioning device is arranged on the loading platform corresponding to the edge of the silicon steel sheet, and an avoidance groove is arranged on the loading platform corresponding to the contour of the winding groove of the silicon steel sheet to be cut, and a cutting device is arranged in the avoidance groove; the cutting device comprises a lifting support part and a downward pressing cutting part, the lifting support part is slidably matched with the cutting position of the winding groove inside the avoidance groove, and the downward pressing cutting part is arranged above the silicon steel sheet corresponding to the cutting position of the winding groove.

[0007] The silicon steel sheets to be stacked are adsorbed by the adsorption part, and then the silicon steel sheets are moved and placed on the stage through the three-axis moving device, and the positioning device on the stage is in contact with the edge of the silicon steel sheet. The silicon steel sheet is positioned and fixed on the stage by the positioning device to avoid the movement of the silicon steel sheet during the subsequent cutting and stacking process. After the silicon steel sheet is fixed, the lifting support part rises so that the top end face of the lifting support part supports and contacts the bottom of the position to be cut on the silicon steel sheet, and then the downward pressing cutting part is pressed down to press and cut the silicon steel sheet according to the contour of the winding groove to form a winding groove on a single silicon steel sheet. After the winding groove is cut, the adsorption part absorbs the next silicon steel sheet and cuts the winding groove on the silicon steel sheet according to the above steps. At the same time, after the winding groove of the next silicon steel sheet is cut, the next silicon steel sheet is stacked on top of the previous silicon steel sheet through the pressing part, thereby completing the stacking of the silicon steel sheet and the winding groove cutting operation.

[0008] In order to better realize the utility model, further, the lifting support part includes a lifting device and a cutting support table. The cutting support table is slidingly arranged inside the avoidance groove, and a lifting device is arranged at the bottom of the cutting support table.

[0009] In order to better implement the present invention, further, the outline of the cutting support platform completely includes the outline of the winding groove.

[0010] In order to better realize the utility model, further, the downward pressing cutting part includes a downward pressing hydraulic cylinder and a cutting tool. The cutting position of the downward pressing hydraulic cylinder corresponding to the winding groove is set above the silicon steel sheet, and the bottom end of the downward pressing hydraulic cylinder is provided with a cutting tool. The blade contour of the cutting tool is set corresponding to the contour of the winding groove.

[0011] In order to better realize the utility model, further, the positioning device includes a fixed positioning column and a movable positioning column, the fixed positioning column is arranged corresponding to any two adjacent vertical edges of the silicon steel sheet, the movable positioning column is arranged opposite to the fixed positioning column, and the movable positioning column can move toward or away from the fixed positioning column.

[0012] In order to better realize the utility model, further, a guide slide groove is arranged on the loading platform, and a movable positioning column is movably arranged in the guide slide groove.

[0013] In order to better realize the utility model, further, a mounting base is provided on the moving end of the three-axis moving device close to the stage, a clamping portion is provided at the center of the mounting base, and adsorption portions are provided on both sides of the clamping portion on the mounting base.

[0014] In order to better realize the utility model, further, the clamping part includes a pressing cylinder and a conformal pressing block. The pressing cylinder is arranged at the center of the mounting base, and the push rod end of the pressing cylinder is provided with a conformal pressing block.

[0015] In order to better realize the utility model, further, the adsorption part includes any one of a pneumatic vacuum suction cup and an electromagnetic suction cup.

[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0017] (1) The utility model supports the silicon steel sheet by providing a stage, and at the same time positions and fixes the silicon steel sheet by a positioning device provided on the top of the stage, thereby effectively preventing the silicon steel sheet from being displaced during the subsequent cutting and laminating process, thereby ensuring the laminating quality of the silicon steel sheet;

[0018] (2) The utility model supports the position of the winding groove of the silicon steel sheet by the lifting support part, and performs downward pressing and cutting of the outline of the winding groove of the silicon steel sheet in a single piece by the downward pressing and cutting part, thereby avoiding the problem of deformation of the winding groove that is easily caused by stacking a number of silicon steel sheets for one-time winding groove cutting;

[0019] (3) The utility model stacks the cut silicon steel sheets one by one through the pressing part, which ensures the compactness of the stacking of the silicon steel sheets and also avoids the problem of movement and deformation of the silicon steel sheets caused by stacking a number of silicon steel sheets at one time;

[0020] (4) The utility model uses a three-axis moving device to drive the adsorption part to efficiently pick up, move and stack the silicon steel sheets, thereby ensuring the efficiency of the silicon steel sheet stacking work. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a transformer silicon steel sheet stacking and cutting device;

[0022] Figure 2 It is a schematic diagram of the structure of the cutting device;

[0023] Figure 3 It is a structural schematic diagram of the lifting support part and the downward pressing cutting part;

[0024] Figure 4 It is a structural schematic diagram of the pressing part;

[0025] Figure 5 is a structural schematic diagram of a positioning device;

[0026] Figure 6 This is a schematic diagram of the installation of a mobile positioning column;

[0027] Figure 7It is a schematic diagram of the lifting support part and the downward pressing cutting part cooperating to cut the silicon steel sheet;

[0028] Figure 8 It is a schematic diagram of the installation of the adsorption part and the pressing part.

[0029] Among them: 1- loading platform; 2- three-axis moving device; 3- adsorption part; 4- pressing part; 5- positioning device; 6- cutting device; 21- mounting base; 41- downward pressure cylinder; 42- conformal pressing block; 51- fixed positioning column; 52- movable positioning column; 61- lifting support part; 62- downward pressure cutting part; 611- lifting device; 612- cutting support table; 621- downward pressure hydraulic cylinder; 622- cutting tool; 100- avoidance groove; 200- guide slide groove. DETAILED DESCRIPTION

[0030] The following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the utility model explicitly states otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0033] Terminology explanation section: The terms "install", "connect", "connect", "fixed" and so on in the present utility model should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0034] Embodiment 1:

[0035] A transformer silicon steel sheet stacking and cutting device according to this embodiment, such as Figure 1-Figure 4 As shown, it includes a stage 1, a three-axis moving device 2 is arranged on the top of the stage 1, and at least one adsorption portion 3 and at least one pressing portion 4 are arranged on the moving end of the three-axis moving device 2 close to the stage 1; a positioning device 5 is arranged on the stage 1 corresponding to the edge of the silicon steel sheet, and an avoidance groove 100 is arranged on the stage 1 corresponding to the contour of the winding groove to be cut of the silicon steel sheet, and a cutting device 6 is arranged in the avoidance groove 100; the cutting device 6 includes a lifting support part 61 and a downward pressing cutting part 62, the lifting support part 61 is slidably matched with the cutting position of the winding groove inside the avoidance groove 100, and the downward pressing cutting part 62 is arranged above the silicon steel sheet corresponding to the cutting position of the winding groove.

[0036] A material storage area is provided on one side of the loading platform 1, in which a number of silicon steel sheets to be cut and laminated are stacked. The three-axis moving device 2 can drive the adsorption part 3 to move between the loading platforms 1 in the material storage area.

[0037] The steps for laminating silicon steel sheets are as follows:

[0038] Step 1: The three-axis moving device 2 drives the adsorption part 3 to move to the storage area, picks up the first silicon steel sheet through the adsorption part 3, moves the silicon steel sheet to be placed on the stage 1 through the three-axis moving device 2, and positions and fixes the edge of the silicon steel sheet through the positioning device on the stage 1 to ensure that the silicon steel sheet is fixed on the stage 1.

[0039] Step 2: The lifting support part 61 in the cutting device 6 rises so that the top end surface of the lifting support part 61 contacts the bottom end surface of the silicon steel sheet and provides sufficient supporting force for the bottom of the silicon steel sheet; then the pressing and cutting part 62 is pressed down to press and cut the silicon steel sheet according to the contour of the winding groove to form a winding groove on the silicon steel sheet.

[0040] Step 3, the three-axis moving device 2 drives the adsorption part 3 to move to the storage area, and the second silicon steel sheet is adsorbed by the adsorption part 3, and the second silicon steel sheet is moved and placed on the top of the first silicon steel sheet by the three-axis moving device 2, and the edge of the second silicon steel sheet is positioned and fixed by the positioning device on the stage 1 to ensure that the second silicon steel sheet is fixed on the top of the first silicon steel sheet.

[0041] Step 4: the lifting support part 61 in the cutting device 6 rises, so that the top end surface of the lifting support part 61 contacts the bottom end surface of the second silicon steel sheet and provides sufficient support force for the bottom of the second silicon steel sheet; then the pressing and cutting part 62 is pressed down, and the second silicon steel sheet is pressed down and cut according to the contour of the winding groove to form a winding groove on the second silicon steel sheet; after the cutting of the second silicon steel sheet is completed, the second silicon steel sheet is pressed down by the pressing part 4, so that the second silicon steel sheet is tightly superimposed on the top of the first silicon steel sheet;

[0042] Step 5: Repeat the above steps 1 to 4 for subsequent silicon steel sheets in this way until all silicon steel sheets are cut and stacked.

[0043] Embodiment 2:

[0044] A transformer silicon steel sheet stacking and cutting device is improved on the basis of embodiment 1, such as Figure 2 , Figure 3 , Figure 7 As shown, the lifting support part 61 includes a lifting device 611 and a cutting support platform 612 . The cutting support platform 612 is slidably arranged inside the avoidance groove 100 , and a lifting device 611 is arranged at the bottom of the cutting support platform 612 .

[0045] The lifting device 611 includes a screw lifter, a connecting plate is provided on the lifting part of the screw lifter, a slot is provided on the top of the connecting plate, and the bottom of the cutting support platform 612 is detachably connected to the slot on the top of the connecting plate through a block. At the same time, a guide hole is also provided on the connecting plate, a guide sleeve is installed in the guide hole, and a guide column is provided at the bottom of the stage 1 to be slidably connected to the guide sleeve. The sliding cooperation between the guide sleeve and the guide column ensures that the connecting plate and the cutting support platform 612 move accurately in the vertical direction, and avoids the cutting support platform 612 from being skewed during the lifting process.

[0046] Furthermore, the outline of the cutting support platform 612 completely includes the outline of the winding groove, that is, the outline of the cutting support platform 612 is larger than and includes the outline of the winding groove, thereby ensuring that the cutting support platform 612 can fully support the winding groove area of ​​the silicon steel sheet, effectively avoiding deformation of the winding groove position of the silicon steel sheet during the cutting process.

[0047] The other parts of this embodiment are the same as those of Embodiment 1, and thus will not be described in detail.

[0048] Embodiment 3:

[0049] A transformer silicon steel sheet stacking and cutting device, improved on the basis of embodiment 1 or 2, such as Figure 2 , Figure 3 , Figure 7As shown, the downward pressing cutting part 62 includes a downward pressing hydraulic cylinder 621 and a cutting tool 622. The cutting position of the downward pressing hydraulic cylinder 621 corresponding to the winding groove is set above the silicon steel sheet, and the bottom end of the downward pressing hydraulic cylinder 621 is provided with a cutting tool 622. The blade contour of the cutting tool 622 is set corresponding to the contour of the winding groove.

[0050] The top of the cutting tool 622 is connected to the downward hydraulic cylinder 621 through a connecting pin, and the cutting tool 622 is driven downward by the downward hydraulic cylinder 621 to punch and cut the winding groove of the silicon steel sheet. The bottom of the cutting tool 622 is provided with a knife edge, and the outline of the knife edge is set corresponding to the outline of the winding groove.

[0051] The other parts of this embodiment are the same as those of Embodiment 1 or 2, and thus will not be described in detail.

[0052] Embodiment 4:

[0053] A transformer silicon steel sheet stacking and cutting device, improved on the basis of any one of embodiments 1-3, such as Figure 5 and Figure 6 As shown, the positioning device 5 includes a fixed positioning column 51 and a movable positioning column 52. The fixed positioning column 51 is set corresponding to any two adjacent vertical edges of the silicon steel sheet, and the movable positioning column 52 is set opposite to the fixed positioning column 51, and the movable positioning column 52 can move toward or away from the fixed positioning column 51.

[0054] For example, for a rectangular silicon steel sheet, the four edges of the rectangular silicon steel sheet are named A1, A2, B1, and B2, respectively, where A1 and A2 are two opposite and parallel sides, B1 and B2 are two opposite and parallel sides, A1 and B1 are adjacent and perpendicular to each other, and A2 and B2 are adjacent and perpendicular to each other. Correspondingly, two fixed positioning columns 51 are set in contact with A1 and B1, and two movable positioning columns 52 are set in contact with A2 and B2, and the A2 side of the silicon steel sheet is pushed toward the direction close to the A1 side by the first movable positioning column 52, and the B2 side of the silicon steel sheet is pushed toward the direction close to the B1 side by the second movable positioning column 52. Until the two fixed positioning columns 51 cooperate with the two movable positioning columns 52 to respectively tighten and fix the bottom edges of the silicon steel sheet A1, A2, B1, and B2, thereby achieving the positioning and fixation of the silicon steel sheet.

[0055] Further, the loading platform 1 is provided with a guide slot 200, in which a movable positioning column 52 is movably provided. The guide slot 200 is a waist-shaped slot, and the guide slot 200 and the movable positioning column 52 are connected by a sliding guide, and the movable positioning column 52 is guided by the guide slot 200.

[0056] Furthermore, the movable positioning column 52 includes a movable cylinder arranged at the bottom of the loading platform 1, and a column is arranged at the end of the push rod of the movable cylinder. The column passes upward through the guide groove 200 and slides along the guide groove 200 driven by the push rod.

[0057] The other parts of this embodiment are the same as any one of Embodiments 1-3, so they are not described again.

[0058] Embodiment 5:

[0059] A transformer silicon steel sheet stacking and cutting device, improved on the basis of any one of embodiments 1-4, such as Figure 8 As shown, a mounting base 21 is provided on the moving end of the three-axis moving device 2 close to the stage 1 , a pressing portion 4 is provided at the center of the mounting base 21 , and adsorption portions 3 are provided on both sides of the pressing portion 4 on the mounting base 21 .

[0060] During the winding groove cutting operation of the silicon steel sheet, the pressing part 4 presses the silicon steel sheet with a first pressure. After the winding groove cutting is completed, the pressing part 4 presses the silicon steel sheet with a second pressure so that adjacent silicon steel sheets are tightly stacked, and the second pressure is greater than the first pressure.

[0061] Preferably, the first pressure is 200N-300N.

[0062] The other parts of this embodiment are the same as any one of Embodiments 1-4, so they are not described again.

[0063] Embodiment 6:

[0064] A transformer silicon steel sheet stacking and cutting device, improved on the basis of any one of embodiments 1-5, such as Figure 4 As shown, the pressing part 4 includes a pressing cylinder 41 and a conformal pressing block 42 . The pressing cylinder 41 is arranged at the center of the mounting base 21 , and a conformal pressing block 42 is arranged at the end of the push rod of the pressing cylinder 41 .

[0065] The conformal pressing block 42 is set corresponding to the central area of ​​the silicon steel sheet. The conformal pressing block 42 is pressed down by the downward pressure cylinder 41 to provide sufficient downward pressure on the silicon steel sheet. Firstly, it is to ensure the stability of the silicon steel sheet cutting process, and secondly, the silicon steel sheets are tightly stacked through the downward pressure.

[0066] The other parts of this embodiment are the same as any one of Embodiments 1-5, so they are not described again.

[0067] Embodiment 7:

[0068] A transformer silicon steel sheet stacking and cutting device, improved on the basis of any one of embodiments 1-6, such as Figure 8As shown, the adsorption part 3 includes any one of a pneumatic vacuum chuck and an electromagnetic chuck. The silicon steel sheet is picked up by the pneumatic vacuum chuck or the electromagnetic chuck. When the area of ​​the silicon steel sheet is greater than or equal to 1m 2 When the area of ​​the silicon steel sheet is less than 1m 2 When, the adsorption part 3 is preferably a pneumatic vacuum suction cup.

[0069] The other parts of this embodiment are the same as any one of Embodiments 1-6, so they are not described again.

[0070] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the present invention.

Claims

1. A transformer silicon steel sheet stacking and cutting device, comprising a loading platform (1), characterized in that: A three-axis moving device (2) is arranged on the top of the loading platform (1), and at least one adsorption portion (3) and at least one pressing portion (4) are arranged on the moving end of the three-axis moving device (2) close to the loading platform (1); a positioning device (5) is arranged on the loading platform (1) corresponding to the edge of the silicon steel sheet, and an avoidance groove (100) is arranged on the loading platform (1) corresponding to the contour of the winding groove to be cut of the silicon steel sheet, and a cutting device (6) is arranged in the avoidance groove (100); the cutting device (6) comprises a lifting support part (61) and a downward pressing cutting part (62), the lifting support part (61) is slidably matched and arranged inside the avoidance groove (100) corresponding to the cutting position of the winding groove, and the downward pressing cutting part (62) is arranged above the silicon steel sheet at the cutting position corresponding to the winding groove.

2. The transformer silicon steel sheet stacking and cutting device according to claim 1, characterized in that: The lifting support part (61) comprises a lifting device (611) and a cutting support platform (612); the cutting support platform (612) is slidably arranged inside the avoidance groove (100); and the lifting device (611) is arranged at the bottom of the cutting support platform (612).

3. The transformer silicon steel sheet stacking and cutting device according to claim 2, characterized in that: The outline of the cutting support platform (612) completely includes the outline of the winding groove.

4. The transformer silicon steel sheet stacking and cutting device according to claim 1, characterized in that: The downward pressing cutting part (62) comprises a downward pressing hydraulic cylinder (621) and a cutting tool (622); the downward pressing hydraulic cylinder (621) is arranged above the silicon steel sheet at a cutting position corresponding to the winding groove; the bottom end of the downward pressing hydraulic cylinder (621) is provided with a cutting tool (622); the contour of the cutting edge of the cutting tool (622) is arranged corresponding to the contour of the winding groove.

5. A transformer silicon steel sheet stacking and cutting device according to any one of claims 1 to 4, characterized in that: The positioning device (5) comprises a fixed positioning column (51) and a movable positioning column (52); the fixed positioning column (51) is arranged corresponding to any two adjacent vertical edges of the silicon steel sheet; the movable positioning column (52) is arranged opposite to the fixed positioning column (51), and the movable positioning column (52) can move in a direction close to or away from the fixed positioning column (51).

6. The transformer silicon steel sheet stacking and cutting device according to claim 5, characterized in that: The loading platform (1) is provided with a guide slot (200), and a movable positioning column (52) is movably arranged in the guide slot (200).

7. A transformer silicon steel sheet stacking and cutting device according to any one of claims 1 to 4, characterized in that: A mounting base (21) is provided on the moving end of the three-axis moving device (2) close to the stage (1), a clamping portion (4) is provided at the center of the mounting base (21), and adsorption portions (3) are provided on both sides of the clamping portion (4) on the mounting base (21).

8. The transformer silicon steel sheet stacking and cutting device according to claim 7, characterized in that: The pressing portion (4) comprises a pressing cylinder (41) and a conformal pressing block (42); the pressing cylinder (41) is arranged at the center of the mounting base (21); and the end of the push rod of the pressing cylinder (41) is provided with a conformal pressing block (42).

9. A transformer silicon steel sheet stacking and cutting device according to any one of claims 1 to 4, characterized in that: The adsorption part (3) comprises any one of a pneumatic vacuum suction cup and an electromagnetic suction cup.

Images