Automatic flattening device for silicon steel sheet fasteners

Abstract

The present invention discloses an automatic flattening device for silicon steel sheet group fasteners, comprising: a positioning unit, the positioning unit comprises a turntable, a calibration plate and a first driving assembly, the first driving assembly is connected to and drives the calibration plate to move in a vertical direction, the calibration plate is slidably connected to a first calibration column, and the first calibration column is eccentrically arranged relative to the turntable; a first pushing unit, located on one side of the turntable, the first pushing unit comprises a first pushing cylinder and a first pushing block, the first pushing cylinder is connected to and drives the first pushing block to move in a horizontal direction; a stamping unit, located on the side of the turntable away from the first pushing cylinder, the stamping unit comprises a second driving assembly and a stamping column, and the second driving assembly is connected to and drives the stamping column to move in a vertical direction. The turntable, the calibration column and the first driving assembly cooperate to circumferentially position the silicon steel sheet group, and then the fasteners protruding from the silicon steel sheet group are flattened by the stamping column to complete the shaping of the silicon steel sheet group, which is more beautiful as a whole and convenient for subsequent assembly and use.

Description

Technical Field

[0001] The invention relates to the field of silicon steel sheet group processing equipment, and in particular to an automatic flattening device for silicon steel sheet group fasteners. Background Art

[0002] In the production of motor rotors, high-speed punching machines are generally used to punch out silicon steel sheets, and then multiple silicon steel sheets are pressed together. In the process of pressing multiple silicon steel sheets into a silicon steel sheet group, the silicon steel sheets need to be stacked and positioned, which can be achieved by opening positioning holes in the silicon steel sheets and inserting fasteners through the positioning holes. However, after multiple silicon steel sheets are pressed into a silicon steel sheet group, there is still a situation where the fasteners protrude from the end face of the silicon steel sheet group, which affects the appearance and is not conducive to the subsequent use of the silicon steel sheet group. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an automatic flattening device for a silicon steel sheet group fastener, which can automatically flatten the portion of the fastener protruding from the end surface of the silicon steel sheet group, making the silicon steel sheet group more beautiful as a whole and convenient for subsequent assembly and use.

[0004] According to an embodiment of the present invention, the automatic flattening device for silicon steel sheet fasteners includes: a positioning unit, the positioning unit includes a turntable, a positioning plate and a first drive component, the positioning plate is located above the turntable, the first drive component is connected to and drives the positioning plate to move in a vertical direction, the positioning plate is slidably connected to a first positioning column, and the first positioning column is eccentrically arranged relative to the turntable; a first pushing unit, located on one side of the turntable, the first pushing unit includes a first pushing cylinder and a first pushing block, the first pushing block is located on the side of the first pushing cylinder facing the turntable, the first pushing cylinder is connected to and drives the first pushing block to move in a horizontal direction; a stamping unit, located on the side of the turntable away from the first pushing cylinder, the stamping unit includes a second drive component and a stamping column, the second drive component is connected to and drives the stamping column to move in a vertical direction.

[0005] The automatic flattening device for silicon steel sheet group fasteners according to the embodiment of the present invention has at least the following beneficial effects: the turntable, the positioning column and the first drive assembly cooperate to circumferentially position the silicon steel sheet group, and then the fasteners protruding from the silicon steel sheet group are flattened by the stamping column to complete the shaping of the silicon steel sheet group, making the whole group more beautiful and convenient for subsequent assembly and use.

[0006] According to the automatic flattening device for fasteners of silicon steel sheets of the present invention, the alignment plate is also slidably connected to a second alignment column, and the axis of the second alignment column coincides with the axis of the turntable. Through the second alignment column, the axis of the silicon steel sheet group coincides with the axis of the turntable, and the turntable drives the silicon steel sheet group to rotate more accurately.

[0007] According to the automatic flattening device for silicon steel sheet assembly fasteners of the present invention, the first alignment column and the second alignment column are provided with guide parts at one end facing the turntable to facilitate the sliding of the first alignment column and the second alignment column.

[0008] According to the automatic flattening device for silicon steel sheet fasteners described in the present invention, the positioning unit also includes a first positioning cylinder and a second positioning cylinder. The first pushing cylinder, the first positioning cylinder and the second positioning cylinder are arranged along the circumference of the turntable. The first positioning cylinder is arranged on the opposite side of the second positioning cylinder. The structure is more compact and effectively saves space.

[0009] According to the automatic flattening device for silicon steel sheet group fasteners described in the present invention, the driving shaft of the first positioning cylinder is installed with a first positioning block, and the driving shaft of the second positioning cylinder is installed with a second positioning block. The first positioning block and the second positioning block cooperate to position the silicon steel sheet group to the turntable.

[0010] According to the automatic flattening device for silicon steel sheet fasteners of the present invention, the punching unit is further provided with a detection sensor, the detection surface of which faces the alignment plate. The detection sensor is used to coordinate and control the positioning unit and the punching unit processes, which is beneficial to the continuity of the whole machine operation.

[0011] According to the automatic flattening device for silicon steel sheet group fasteners of the present invention, the punching unit further includes a punching head and a pressing plate, the punching column is installed on the punching head, the punching column is inserted through the pressing plate, and the punching head drives the pressing plate to move in a vertical direction. The punching plate further presses the silicon steel sheet group, and the punching column is inserted through the pressing plate to flatten the fasteners, thereby ensuring the quality of the flattening process.

[0012] According to the automatic flattening device for silicon steel sheet assembly fasteners of the present invention, there are a plurality of stamping columns, and the positions of the stamping columns and the fasteners correspond to each other.

[0013] According to the automatic flattening device for silicon steel sheet fasteners of the present invention, a base plate is provided below the punch head, a reset spring is connected between the pressure plate and the base plate, one end of the reset spring abuts against the lower end surface of the pressure plate, and the other end abuts against the upper end surface of the base plate. The punch head drives the pressure plate to move vertically downward, and the pressure plate moves to its original position through the reset spring. Moreover, by installing the pressure plate on the base plate, the weight of the punch head can be reduced, and the use requirements of the second drive component can be reduced, thereby reducing the selection cost.

[0014] According to the automatic flattening device for silicon steel sheet group fasteners of the present invention, a stopper is further provided on the side of the punching unit away from the positioning unit, and the stopper is arranged opposite to the first pushing cylinder to limit the position of the silicon steel sheet group after discharge.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a schematic structural diagram of an automatic flattening device for silicon steel sheet assembly fasteners according to an embodiment of the present invention;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the positioning unit and the first pushing unit is shown;

[0019] Figure 3 for Figure 1 The structural schematic diagram of the punching unit and the second pushing unit is shown;

[0020] Figure 4 It is a schematic structural diagram of a silicon steel sheet group of the automatic flattening device for silicon steel sheet group fasteners according to an embodiment of the present invention.

[0021] Description of Figure Numbers:

[0022] Positioning unit 100; turntable 110; alignment plate 120; first alignment column 121; first guide portion 1211; second alignment column 122; second guide portion 1221; first drive assembly 130; first positioning cylinder 140; first positioning block 141; second positioning cylinder 150; second positioning block 151;

[0023] First pushing unit 200; first pushing cylinder 210; first pushing block 211;

[0024] Punching unit 300; second driving assembly 310; punching head 320; punching column 321; pressing plate 330; base plate 340; return spring 350; stopper 360; detection sensor 370;

[0025] Second pushing unit 400; second pushing cylinder 410;

[0026] Conveyor line 500 ; silicon steel sheet group 510 ; first matching hole 511 ; second matching hole 512 ; fastener 520 . DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] like Figures 1 to 3 As shown, the automatic flattening device for silicon steel sheet assembly fasteners according to an embodiment of the present invention includes a positioning unit 100, a first pushing unit 200 and a punching unit 300. The first pushing unit 200 and the punching unit 300 are arranged opposite to each other and are located on both sides of the positioning unit 100. Specifically, the positioning unit 100 includes a turntable 110, a calibration plate 120 and a first driving assembly 130. The calibration plate 120 is located above the turntable 110, the first driving assembly 130 is connected to and drives the calibration plate 120 to move in the vertical direction, the calibration plate 120 is slidably connected to the first calibration column 121, and the first calibration column 121 is eccentrically arranged relative to the turntable 110. The first pushing unit 200 is located on one side of the turntable 110, the first pushing unit 200 includes a first pushing cylinder 210 and a first pushing block 211, the first pushing block 211 is located on the side of the first pushing cylinder 210 facing the turntable 110, and the first pushing cylinder 210 is connected to and drives the first pushing block 211 to move in the horizontal direction. The punching unit 300 is located on the side of the turntable 110 away from the first push cylinder 210. The punching unit 300 includes a second driving assembly 310 and a punching column 321. The second driving assembly 310 is connected to and drives the punching column 321 to move in the vertical direction. Figure 4, the silicon steel sheet group 510 is formed by pressing a plurality of silicon steel sheets together, and the silicon steel sheet group 510 is provided with a first matching hole 511, a second matching hole 512 and a fastener 520. In some embodiments, the silicon steel sheet group 510 is manually placed on the turntable 110, the turntable 110 rotates and drives the silicon steel sheet group 510 to rotate, the first driving assembly 130 is a first cylinder, the first cylinder is connected to and drives the alignment plate 120 to move in the vertical direction, the first alignment column 121 matches the first matching hole 511 to circumferentially position the silicon steel sheet group 510. Then, the first push block 211 horizontally pushes the silicon steel sheet group 510 to the stamping unit 300, the stamping column 321 corresponds to the position of the fastener 520, and the fastener 520 protruding from the silicon steel sheet group 510 is flattened, completing the shaping of the silicon steel sheet group 510, making the overall appearance more beautiful and convenient for subsequent assembly and use.

[0032] like Figure 1 and Figure 2 As shown, in some embodiments of the present invention, the calibration plate 120 is slidably connected with a second calibration column 122, and the axis of the second calibration column 122 coincides with the axis of the turntable 110. Through the second calibration column 122, the axis of the silicon steel sheet group 510 coincides with the axis of the turntable 110, and the turntable 110 more accurately drives the silicon steel sheet group 510 to rotate. Further, the first calibration column 121 and the second calibration column 122 are provided with a guide portion at one end facing the turntable 110. Specifically, the first calibration column 121 is provided with a first guide portion 1211 at one end facing the turntable 110, and the second calibration column 122 is provided with a second guide portion 1221 at one end facing the turntable 110. The first guide portion 1211 and the second guide portion 1221 are both arc-shaped, which facilitates the first calibration column 121 to slide on the surface of the silicon steel sheet group 510, and then insert into the first matching hole 511, and also facilitates the second calibration column 122 to insert into the second matching hole 512.

[0033] In some embodiments of the present invention, Figure 2 As shown, the positioning unit 100 includes a first positioning cylinder 140 and a second positioning cylinder 150, and the first push cylinder 210, the first positioning cylinder 140 and the second positioning cylinder 150 are arranged along the circumference of the turntable 110, and the first positioning cylinder 140 is arranged on the opposite side of the second positioning cylinder 150, so that the structure is more compact and space-saving. Further, the driving shaft of the first positioning cylinder 140 is installed with a first positioning block 141, and the driving shaft of the second positioning cylinder 150 is installed with a second positioning block 151, and the first positioning block 141 and the second positioning block 151 cooperate to position the silicon steel sheet group 510 to the turntable 110. Specifically, the first positioning block 141, the second positioning block 151 and the first push block 211 are all V-shaped blocks, which can cooperate well with cylindrical workpieces.

[0034] In some embodiments, reference Figure 1 and Figure 3, the stamping unit 300 is provided with a detection sensor 370, and the detection surface of the detection sensor 370 faces the calibration plate 120. The detection sensor 370 is used to coordinate and control the processes of the positioning unit 100 and the stamping unit 300, which is beneficial to the continuity of the operation of the whole machine. Specifically, the detection sensor 370 is installed on the punching head 320. When the first drive assembly 130 is in a retracted state, the detection sensor 370 detects the calibration plate 120 and sends a signal, and the magnetic switch installed on the cylinder can detect the position of the cylinder drive shaft and send a signal. The detection sensor 370 cooperates with the magnetic switch to facilitate the debugging personnel to control the process operation of the whole machine. In some embodiments, the positioning unit 100 is also provided with a sensor for detecting the position of objects on the turntable 110, which is convenient for manual sampling of workpieces.

[0035] Reference Figure 1 and Figure 3 In an embodiment of the present invention, the punching unit 300 includes a punching head 320 and a pressing plate 330, wherein a punching column 321 is mounted on the punching head 320, the punching column 321 is arranged on the pressing plate 330, and the punching head 320 drives the pressing plate 330 to move in a vertical direction. In some embodiments, the pressing plate 330 is mounted on the punching head 320 and moves in a vertical direction together with the punching head 320. In some embodiments, a base plate 340 is arranged below the punching head 320, and a return spring 350 is connected between the pressing plate 330 and the base plate 340, one end of the return spring 350 abuts against the lower end surface of the pressing plate 330, and the other end abuts against the upper end surface of the base plate 340. The punching head 320 moves in a vertical downward direction and drives the pressing plate 330 to move downward, and then the pressing plate 330 moves to the original position through the return spring 350. By installing the pressing plate 330 on the base plate 340 , the weight of the punch head 320 can be reduced, and the use requirements of the second driving component 310 can be reduced, thereby reducing the selection cost.

[0036] Reference Figure 1 In the embodiment of the present invention, a stopper 360 is provided on the side of the stamping unit 300 away from the positioning unit 100, and the stopper 360 is arranged opposite to the first pushing cylinder 210 to limit the position of the silicon steel sheet group 510 after unloading. Specifically, the first pushing cylinder 210 works once, pushing a silicon steel sheet group 510 from the positioning unit 100 to the stamping unit 300, and also pushing the flattened silicon steel sheet group 510 to the unloading station.

[0037] Further, refer to Figure 1 and Figure 3, the input end of the positioning unit 100 automatically loads, and the output end of the stamping unit 300 automatically unloads. Specifically, the output end of the positioning unit 100 is connected to the conveyor line 500, and the silicon steel sheet group 510 is blocked by the cylinder to adapt the rhythm loading. The second pushing unit 400 is provided at the end of the stamping unit 300 away from the positioning unit 100, and the second pushing unit 400 includes a second pushing cylinder 410. The blocking block 360 blocks the silicon steel sheet group 510 pushed out after flattening, and the second pushing cylinder 410 pushes the silicon steel sheet group 510 out for unloading.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An automatic flattening device for silicon steel sheet fasteners, characterized in that: include: A positioning unit, the positioning unit comprising a rotating disk, a calibration plate and a first driving assembly, the calibration plate being located above the rotating disk, the first driving assembly being connected to and driving the calibration plate to move in a vertical direction, the calibration plate being slidably connected to a first calibration column, and the first calibration column being eccentrically arranged relative to the rotating disk; A first pushing unit is located at one side of the turntable, the first pushing unit comprises a first pushing cylinder and a first pushing block, the first pushing block is located at a side of the first pushing cylinder facing the turntable, the first pushing cylinder is connected to and drives the first pushing block to move in a horizontal direction; A stamping unit is located on a side of the turntable away from the first pushing cylinder, the stamping unit comprises a second driving assembly and a stamping column, the second driving assembly is connected to and drives the stamping column to move in a vertical direction; The positioning unit further comprises a first positioning cylinder and a second positioning cylinder, the first pushing cylinder, the first positioning cylinder and the second positioning cylinder are arranged along the circumference of the turntable, and the first positioning cylinder is arranged on the opposite side of the second positioning cylinder; The driving shaft of the first positioning cylinder is installed with a first positioning block, and the driving shaft of the second positioning cylinder is installed with a second positioning block, and the first positioning block and the second positioning block cooperate to position the silicon steel sheet group to the turntable; The stamping unit is also provided with a detection sensor, the detection surface of the detection sensor faces the alignment plate; The punching unit further comprises a punching head and a pressing plate, the punching column is mounted on the punching head, the punching column penetrates the pressing plate, and the punching head drives the pressing plate to move in a vertical direction; There are multiple stamping columns, and the positions of the stamping columns and the fasteners correspond; A base plate is provided below the punch head, a return spring is connected between the pressing plate and the base plate, one end of the return spring abuts against the lower end surface of the pressing plate, and the other end abuts against the upper end surface of the base plate; A stopper is further arranged on a side of the punching unit away from the positioning unit, and the stopper is arranged opposite to the first pushing cylinder.

2. The automatic flattening device for silicon steel sheet fasteners according to claim 1, characterized in that: The alignment plate is also slidably connected to a second alignment column, and the axis of the second alignment column coincides with the axis of the rotating disk.

3. The automatic flattening device for silicon steel sheet fasteners according to claim 2, characterized in that: A guide portion is provided at one end of the first alignment post and the second alignment post facing the rotating disk.

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