A motor iron core half-cut lamination production line and processing method

Abstract

The present invention relates to a half-cutting and laminating production line for motor iron core sheets, comprising a stamping assembly, a stamping seat, a punch, a floating die table and a stamping head, wherein a stamping die groove is provided on the upper end surface of the stamping seat, the punch is fixed in the middle of the stamping die groove, the stamping head is provided with a first outer die, a punching hole for the punch to pass through is provided in the vertical direction in the middle of the first outer die, and a plurality of grooves are provided in the circumferential direction on the outer edge of the lower end surface of the first outer die; the floating die table is located in the stamping die groove and can move vertically, the floating die table is provided with a through hole for the punch to pass through in the vertical direction, the stamping seat is provided with an elastic assembly, and the elastic assembly applies an upward elastic thrust to the floating die table; the laminating assembly comprises a laminating seat and a laminating head, a laminating die groove is provided on the upper side of the laminating seat, and the laminating head is provided with a second outer die corresponding to the laminating die groove; the stamping head and the laminating head are driven by a lifting drive member to achieve lifting. The present invention also relates to a processing method for a half-cutting and laminating production line for motor iron core sheets.

Description

Technical Field

[0001] The present invention relates to the technical field of motor core processing equipment, and in particular to a motor core half-cutting and laminating production line, and a processing method for the motor core half-cutting and laminating production line. Background Art

[0002] The iron core is one of the most important parts of the motor. Its structure includes an axial hole in the center and multiple wire slots distributed circumferentially on the outer edge. The wire slots are used for winding. There are two main production methods for motor cores. One is to cut the entire blank. The iron core obtained in this way has good structural stability, but the processing is difficult. The other is to obtain iron core sheets by stamping and then stack them. This method can effectively reduce the processing difficulty and is especially suitable for complex special-shaped iron core structures.

[0003] When the second production method mentioned above is used to process the motor core, stamping equipment and stacking equipment are required. The main structure of the stamping equipment includes a stamping seat and a stamping head located above the stamping seat. The lower side of the stamping head is provided with a punch for punching out the shaft hole. When the material strip is fed between the stamping head and the stamping die groove, the stamping head descends for stamping, and the punch punches downward at the center of the iron core to form the shaft hole of the iron core; the main structure of the stacking equipment includes a stacking seat and a stacking head located above the stacking seat. The lower side of the stacking head is provided with an outer die for punching out the outer edge of the iron core. When the material strip is fed between the stacking head and the stacking seat, the stacking head descends for stamping, and the outer edge of the iron core is completely punched out by the outer die of the stacking head and falls into the stacking seat and is stacked.

[0004] However, since the punch of the stamping head punches the axial hole of the iron core sheet downward, the axial hole of the iron core sheet will produce downward burrs due to the action of the punch; and the outer die of the stacking head punches the outer edge of the iron core sheet downward, so the outer edge of the iron core sheet will produce upward burrs in the process of separating from the material strip, that is, the burrs on the outer edge of the iron core sheet and the axial hole are in opposite directions, resulting in the final stacked iron core process not meeting the requirements. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the burrs on the outer edge of the core sheet and the shaft hole processed by the stamping equipment in the prior art are in opposite directions, resulting in the core process of the laminated core failing to meet the requirements.

[0006] In order to solve the above problems, the present invention provides a motor iron core half-cutting lamination production line, comprising:

[0007] The stamping assembly comprises a stamping seat, a punch, a floating die table and a stamping head, wherein the stamping seat is fixedly arranged and a stamping die groove is provided on the upper end surface of the stamping seat, the punch is fixed in the middle of the stamping die groove, the stamping head is located above the stamping die groove, the stamping head is provided with a first outer die corresponding to the stamping die groove, a punching hole for the punch to pass through is provided in the middle of the first outer die in the vertical direction, and a plurality of grooves are provided on the outer edge of the lower end surface of the first outer die in the circumferential direction; the floating die table is located in the stamping die groove and can move vertically, the floating die table is provided with a through hole for the punch to pass through in the vertical direction, the stamping seat is provided with an elastic component acting on the floating die table, the elastic component applies an upward elastic thrust to the floating die table, so that when the stamping head does not enter the stamping die groove, a gap is formed between the lower side surface of the floating die table and the groove bottom of the stamping die groove, and the upper end surface of the floating die table is flush with the upper end surface of the punch and the upper end surface of the stamping seat;

[0008] The stacking assembly comprises a stacking seat and a stacking head, wherein the stacking seat is arranged adjacent to the punching seat, a stacking platform is arranged on the upper side of the stacking seat, the stacking head is located above the stacking platform, a stacking die groove is opened on the upper end surface of the stacking platform, the stacking head is provided with a second outer die corresponding to the stacking die groove, and the second outer die is used to punch the iron core sheet on the material strip into the stacking die groove;

[0009] The lifting drive member is arranged vertically and is used to drive the punching head and the stacking head to rise and fall.

[0010] The above scheme changes the punch set on the stamping head in the prior art into one set in the stamping die groove, and sets the first outer die on the stamping head, and at the same time sets a floating die table which can move vertically in the stamping die groove, so that when the lifting drive drives the stamping head to punch downward, the floating die table will move downward with the first outer die, and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole matching punch of the first outer die, so that the burr of the axial hole of the iron core sheet faces upward, and at the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is punched by the first outer die matching the outer edge of the stamping die groove, so that the burr of the outer edge of the iron core sheet faces upward, that is, the burr generated on the outer edge of the iron core sheet and the burr generated on the shaft hole are consistently upward, thereby ensuring the quality of subsequent lamination processing of the iron core sheet; at the same time, by setting a A groove is set, and the position corresponding to the groove between the material strip and the outer edge of the iron core piece will not be punched out and a strip connecting rib will be formed, so that the outer edge of the iron core piece in the stamping assembly is not completely separated from the material strip, that is, a half-cut state is formed; when the lifting drive component drives the punching head to rise and reset, the floating die table is pushed up by the elastic component to make the corresponding iron core piece on the material strip separate from the stamping die groove. At this time, the material strip can be transported to between the stacking table and the stacking head of the stacking assembly with the corresponding iron core piece, and then the lifting drive component drives the stacking head to descend so that the corresponding iron core piece on the material strip is pressed toward the stacking die groove, and the strip connecting rib is punched out by the second outer die in cooperation with the stacking die groove. At this time, the iron core piece is separated from the material strip and is stacked in the stacking die groove, that is, the complete processing of the iron core piece is realized, effectively improving the overall production efficiency.

[0011] In an improved solution, the stacking seat is provided with a rotary driving member, the stacking platform is rotatably connected to the stacking seat with the vertical axis as the axis, and the output end of the rotary driving member acts on the stacking platform to drive the stacking platform to rotate.

[0012] In an improved solution, the rotary drive component includes a motor and a reducer, the motor is fixed to the stacking seat, and the output end of the motor drives the rotation of the stacking table through the reducer.

[0013] In an improved solution, the stamping seat is provided with a accommodating cavity at a position below the stamping die groove, and the elastic component includes a spring and a guide column. The spring is vertically arranged in the accommodating cavity, and the bottom of the stamping die groove is provided with a guide hole that vertically penetrates to the accommodating cavity. The guide column is slidably inserted in the guide hole, and the lower end of the guide column is connected to the spring and the upper end is connected to the floating die table.

[0014] In an improved solution, the guide holes are multiple and distributed circumferentially around the punch, and a guide column is slidably inserted in each of the guide holes.

[0015] In an improved solution, the lower portion of the punch is detachably connected to the punch seat by bolts.

[0016] In an improved solution, the lifting drive member is a pneumatic cylinder or an oil cylinder, the cylinder body of the lifting drive member is fixedly arranged and located above the stamping assembly and the stacking assembly, the cylinder rod of the lifting drive member is downward and is provided with a lifting receiving plate along the horizontal direction, and the stamping head and the stacking head are both connected to the lifting receiving plate.

[0017] The present invention also provides a processing method for a motor iron core sheet half-cutting and laminating production line, which is applied to the motor iron core sheet half-cutting and laminating production line as described above, and comprises the following steps:

[0018] S1. Half-cut stamping processing: the material strip is conveyed between the stamping seat and the stamping head, and then the lifting drive member drives the stamping head to descend to stamp the material strip, so that the material strip is pressed toward the stamping die groove. At this time, the floating die table will move downward with the first outer die, and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole of the first outer die and the punching punch, and at the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is punched by the outer edge of the stamping die groove of the first outer die, but the position of the material strip and the outer edge of the iron core sheet corresponding to the groove of the first outer die is not punched and forms a strip-shaped connecting rib, so that the outer edge of the iron core sheet is not completely separated from the material strip, that is, a half-cut state is formed, and then the lifting drive member drives the stamping head to rise and reset, and the floating die table is pushed up by the elastic component to make the corresponding iron core sheet on the material strip separate from the stamping die groove;

[0019] S2, lamination processing: the iron core pieces on the material strip that have completed the half-cut stamping processing are transported between the lamination seat and the lamination head, and then the lifting drive member drives the lamination head to descend to stamp the corresponding iron core pieces on the material strip, so that the corresponding iron core pieces on the material strip are pressed toward the lamination die groove, and the strip connecting ribs between the outer edge of the iron core piece and the material strip are completely cut off by the second outer die cooperating with the lamination die groove, and the iron core pieces are separated from the material strip and laminated in the lamination die groove;

[0020] S3, continue to convey the material belt and repeat steps S1 and S2 until the number of iron core sheets in the stacking die groove reaches the required number of stacking.

[0021] Furthermore, in step S2, when the iron core pieces on the material strip that have completed the half-cut stamping process are transported between the stacking seat and the stacking head, the rotary drive component first drives the stacking table to rotate a preset angle, and then the lifting drive component drives the stacking head to descend to stamp the corresponding iron core pieces on the material strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an overall schematic diagram of a motor iron core sheet half-cutting and laminating production line (in the figure, the dotted line corresponding to a11 represents the stamping die groove, and the dotted line corresponding to b21 represents the laminating die groove);

[0023] Figure 2 It is a schematic diagram of a stamping component of a motor iron core sheet half-cutting and laminating production line (the dotted line corresponding to a11 in the figure represents the stamping die groove).

[0024] Description of reference numerals:

[0025] a1, stamping seat; a11, stamping die groove; a12, accommodating cavity; a13, guide hole; a14, guide column; a2, punch; a3, floating die table; a31, through hole; a4, spring; a5, stamping head; a51, first outer die; a52, punching hole; a53, groove; a6, lifting drive member; a61, lifting receiving plate; b1, stacking seat; b2, stacking table; b21, stacking die groove; b3, rotary drive member; b4, stacking head; b41, second outer die. DETAILED DESCRIPTION

[0026] It should be understood by those skilled in the art that the following embodiments are only used to explain the technical principles of the embodiments of the present application and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art may adjust them as needed to adapt to specific application scenarios.

[0027] In the description of the following embodiments, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.

[0028] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] See also Figure 1 and Figure 2 The embodiment of the present invention provides a motor iron core sheet half-cutting and laminating production line, comprising:

[0031] The punching assembly comprises a punching seat a1, a punch a2, a floating die table a3 and a punching head a5. The punching seat a1 is fixedly arranged and a punching die groove a11 is provided on the upper end surface of the punching seat a1. The punch a2 is fixed in the middle of the punching die groove a11. The punching head a5 is located above the punching die groove a11. The punching head a5 is provided with a first outer die a51 corresponding to the punching die groove a11. A punching hole a52 for the punch a2 to pass through is vertically provided in the middle of the first outer die a51. A plurality of grooves a5 are circumferentially provided on the outer edge of the lower end surface of the first outer die a51. 3; The floating die table a3 is located in the stamping die groove a11 and can move vertically. The floating die table a3 is provided with a through hole a31 for the punch a2 to pass through in the vertical direction. The stamping seat a1 is provided with an elastic component acting on the floating die table a3. The elastic component applies an upward elastic thrust to the floating die table a3, so that when the punch head a5 does not enter the stamping die groove a11, a gap is formed between the lower side surface of the floating die table a3 and the bottom of the stamping die groove a11, and the upper end surface of the floating die table a3 is flush with the upper end surface of the punch a2 and the upper end surface of the stamping seat a1;

[0032] The stacking assembly includes a stacking seat b1 and a stacking head b4. The stacking seat b1 is arranged adjacent to the punching seat a1. A stacking platform b2 is arranged on the upper side of the stacking seat b1. The stacking head b4 is located above the stacking platform b2. A stacking die groove b21 is opened on the upper end surface of the stacking platform b2. The stacking head b4 is provided with a second outer die b41 corresponding to the stacking die groove b21. The second outer die b41 is used to punch the iron core sheets on the material strip into the stacking die groove b21.

[0033] The lifting driving member a6 is arranged vertically and is used to drive the punching head a5 and the stacking head b4 to rise and fall.

[0034] The above scheme changes the punch a2 set in the punching head a5 in the prior art to be set in the punching die groove a11, and sets the first outer die a51 in the punching head a5, and at the same time sets a floating die table a3 which can move vertically in the punching die groove a11, so that when the lifting drive member a6 drives the punching head a5 to punch downward, the floating die table a3 will move downward with the first outer die a51, and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole a52 of the first outer die a51 in cooperation with the punch a2, so that the burr of the axial hole of the iron core sheet is upward, and at the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is punched by the first outer die a51 in cooperation with the outer edge of the punching die groove a11, so that the burr of the outer edge of the iron core sheet is upward, that is, the burr generated by the outer edge of the iron core sheet and the axial hole is consistently upward, thereby ensuring the quality of subsequent lamination processing of the iron core sheet; at the same time, by A groove a53 is set on the outer edge of the surface, and the position between the material strip and the outer edge of the iron core sheet corresponding to the groove a53 will not be punched out and a strip connecting rib will be formed, so that the outer edge of the iron core sheet in the stamping assembly is not completely separated from the material strip, that is, a half-cut state is formed; when the lifting drive member a6 drives the punching head a5 to rise and reset, the floating die table a3 is pushed up by the elastic component to make the corresponding iron core sheet on the material strip separate from the stamping die groove a11, and at this time the material strip can be transported to between the stacking table and the stacking head b4 of the stacking assembly with the corresponding iron core sheet, and then the lifting drive member a6 drives the stacking head b4 to descend so that the corresponding iron core sheet on the material strip is pressed toward the stacking die groove b21, and the strip connecting rib is punched out by the second outer die b41 in cooperation with the stacking die groove b21, and at this time the iron core sheet is separated from the material strip and stacked in the stacking die groove b21, that is, the complete processing of the iron core sheet is realized, effectively improving the overall production efficiency.

[0035] As an improvement to the stacking assembly, the stacking seat b1 is provided with a rotary drive member b3, and the stacking platform b2 and the stacking seat b1 are rotatably connected via a bearing, so that the stacking platform b2 can rotate on the stacking seat b1 with the vertical axis as the axis. The output end of the rotary drive member b3 acts on the stacking platform b2 to drive the rotation of the stacking platform b2. More specifically, the rotary drive member b3 includes a motor and a reducer, the motor is fixed to the stacking seat b1, the reducer can be in the form of a gear or a worm gear, the input end of the reducer is connected to the motor, and the stacking platform b2 is provided with a transmission wheel meshing with the output end of the reducer, so that the motor drives the stacking platform b2 to rotate on the stacking seat b1 through the reducer.

[0036] In this embodiment, the stamping seat a1 is provided with a accommodating cavity a12 at a position below the stamping die groove a11, and the elastic component includes a spring a4 and a guide column a14. The spring a4 is vertically arranged in the accommodating cavity a12, and a guide hole a13 is provided at the bottom of the stamping die groove a11, which vertically penetrates to the accommodating cavity a12. The guide column a14 is slidably inserted in the guide hole a13, and the lower end of the guide column a14 is connected to the spring a4 and the upper end is connected to the floating die table a3, so that the sliding direction of the guide column a14 is limited to the vertical direction through the guide hole a13, so that the elastic force of the spring a4 on the floating die table a3 is always in the vertical direction, thereby ensuring the stability of the floating die table a3 during vertical movement.

[0037] Furthermore, there are multiple guide holes a13 distributed circumferentially around the punch a2, and a guide column a14 is slidably inserted in each guide hole a13, thereby further improving the stability of the floating die table a3 when moving vertically.

[0038] In this embodiment, the lower portion of the punch a2 is detachably connected to the punch seat a1 by bolts, thereby facilitating the disassembly, assembly and replacement of the punch a2.

[0039] In this embodiment, the lifting drive member a6 is an air cylinder or an oil cylinder. The cylinder body of the lifting drive member a6 is fixedly arranged and located above the stamping assembly and the stacking assembly. The cylinder rod of the lifting drive member a6 is downward and is provided with a horizontal lifting receiving plate a61. The stamping head a5 and the stacking head b4 are both connected to the lifting receiving plate a61, so that only one air cylinder or oil cylinder is needed to simultaneously drive the stamping head a5 and the stacking head b4 to lift and lower through the lifting receiving plate a61, thereby realizing the stamping processing of one iron chip and the stacking processing of another iron chip.

[0040] Embodiment 2 of the present invention further provides a processing method for a motor iron core half-cutting and laminating production line, which is applied to the motor iron core half-cutting and laminating production line as in Embodiment 1, and is used to produce an iron core structure in which the iron core is relatively non-deflected, and specifically comprises the following steps:

[0041] S1, half-cut stamping processing: the material strip is conveyed between the stamping seat a1 and the stamping head a5, and then the lifting drive a6 drives the stamping head a5 to descend to stamp the material strip, so that the material strip is pressed toward the stamping die groove a11, at this time, the floating die table a3 will move downward with the first outer die a51, and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole a52 of the first outer die a51 and the punch a2, and at the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is punched by the first outer die a51 and the outer edge of the stamping die groove a11, but the position of the material strip and the outer edge of the iron core sheet corresponding to the groove a53 of the first outer die a51 is not punched and a strip-shaped connecting rib is formed, so that the outer edge of the iron core sheet is not completely separated from the material strip, that is, a half-cut state is formed, and then the lifting drive a6 drives the stamping head a5 to rise and reset, and the floating die table a3 is pushed up by the elastic component to make the corresponding iron core sheet on the material strip separate from the stamping die groove a11;

[0042] S2, stacking processing: the iron core pieces that have completed the half-cut stamping processing on the material strip are transported between the stacking seat b1 and the stacking head b4, and then the lifting drive member a6 drives the stacking head b4 to descend to stamp the corresponding iron core pieces on the material strip, so that the corresponding iron core pieces on the material strip are pressed toward the stacking die groove b21, and the strip connecting ribs between the outer edge of the iron core piece and the material strip are completely cut off by the second outer die b41 cooperating with the stacking die groove b21, and the iron core pieces are separated from the material strip and stacked in the stacking die groove b21;

[0043] S3, continue to convey the material belt and repeat steps S1 and S2 until the number of core sheets in the stacking die groove b21 reaches the required number of stacking.

[0044] Embodiment 3 of the present invention further provides a method for processing a motor iron core half-cutting and laminating production line, which is applied to the motor iron core half-cutting and laminating production line as in Embodiment 1, and is used to produce an iron core structure with relatively deflected iron cores, and specifically includes the following steps:

[0045] S1, half-cut stamping processing: the material strip is conveyed between the stamping seat a1 and the stamping head a5, and then the lifting drive a6 drives the stamping head a5 to descend to stamp the material strip, so that the material strip is pressed toward the stamping die groove a11, at this time, the floating die table a3 will move downward with the first outer die a51, and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole a52 of the first outer die a51 and the punch a2, and at the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is punched by the first outer die a51 and the outer edge of the stamping die groove a11, but the position of the material strip and the outer edge of the iron core sheet corresponding to the groove a53 of the first outer die a51 is not punched and a strip-shaped connecting rib is formed, so that the outer edge of the iron core sheet is not completely separated from the material strip, that is, a half-cut state is formed, and then the lifting drive a6 drives the stamping head a5 to rise and reset, and the floating die table a3 is pushed up by the elastic component to make the corresponding iron core sheet on the material strip separate from the stamping die groove a11;

[0046] S2, stacking processing: the iron core pieces that have completed the half-cut stamping processing on the material strip are transported between the stacking seat b1 and the stacking head b4, the rotary drive member b3 drives the stacking table to rotate at a preset angle, and then the lifting drive member a6 drives the stacking head b4 to descend to stamp the corresponding iron core pieces on the material strip, so that the corresponding iron core pieces on the material strip are pressed toward the stacking die groove b21, and the strip connecting ribs between the outer edge of the iron core piece and the material strip are completely cut off by the second outer die b41 cooperating with the stacking die groove b21, and the iron core pieces are separated from the material strip and stacked in the stacking die groove b21;

[0047] S3, continue to convey the material belt and repeat steps S1 and S2 until the number of core sheets in the stacking die groove b21 reaches the required number of stacking.

[0048] It should be noted that, in the description of the present application, the terms "inside", "outside", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the 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 application; all directional indications (such as up, down, left, right, front, back, inside, and outside) are only used to explain the relative positional relationship, movement, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0049] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0050] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A motor iron core sheet half-cutting and laminating production line, characterized in that: include A stamping assembly comprises a stamping seat (a1), a punch (a2), a floating die table (a3) ​​and a stamping head (a5), wherein the stamping seat (a1) is fixedly arranged and a stamping die groove (a11) is provided on the upper end surface of the stamping seat (a1), the punch (a2) is fixed in the middle of the stamping die groove (a11), the stamping head (a5) is located above the stamping die groove (a11), the stamping head (a5) is provided with a first outer die (a51) corresponding to the stamping die groove (a11), a punching hole (a52) for the punch (a2) to pass through is provided in the middle of the first outer die (a51) in the vertical direction, and a plurality of concave holes (a52) are provided on the outer edge of the lower end surface of the first outer die (a51) in the circumferential direction. Groove (a53); the floating die table (a3) ​​is located in the stamping die groove (a11) and can move vertically, the floating die table (a3) ​​is vertically provided with a through hole (a31) for the punch (a2) to pass through, the stamping seat (a1) is provided with an elastic component acting on the floating die table (a3), the elastic component applies an upward elastic thrust to the floating die table (a3), so that when the punch head (a5) does not enter the stamping die groove (a11), a gap is formed between the lower side surface of the floating die table (a3) ​​and the bottom of the stamping die groove (a11), and the upper end surface of the floating die table (a3) ​​is flush with the upper end surface of the punch (a2) and the upper end surface of the stamping seat (a1); A stacking assembly comprises a stacking seat (b1) and a stacking head (b4), wherein the stacking seat (b1) is arranged adjacent to the punching seat (a1), a stacking platform (b2) is arranged on the upper side of the stacking seat (b1), the stacking head (b4) is located above the stacking platform (b2), a stacking die groove (b21) is opened on the upper end surface of the stacking platform (b2), the stacking head (b4) is provided with a second outer die (b41) corresponding to the stacking die groove (b21), and the second outer die (b41) is used to punch the iron core sheet on the material strip into the stacking die groove (b21); The lifting drive member (a6) is arranged vertically and is used to drive the punching head (a5) and the stacking head (b4) to rise and fall; the lifting drive member (a6) is a pneumatic cylinder or an oil cylinder, the cylinder body of the lifting drive member (a6) is fixedly arranged and located above the punching assembly and the stacking assembly, the cylinder rod of the lifting drive member (a6) is downward and is provided with a lifting receiving plate (a61) along the horizontal direction, and the punching head (a5) and the stacking head (b4) are both connected to the lifting receiving plate (a61).

2. The motor core sheet half-cutting and laminating production line according to claim 1 is characterized in that: The stacking seat (b1) is provided with a rotary driving member (b3), and the stacking platform (b2) is rotatably connected to the stacking seat (b1) with a vertical axis, and the output end of the rotary driving member (b3) acts on the stacking platform (b2) to drive the stacking platform (b2) to rotate.

3. The motor core sheet half-cutting and laminating production line according to claim 2 is characterized in that: The rotary drive member (b3) comprises a motor and a reducer, wherein the motor is fixed to the stacking seat (b1), and the output end of the motor drives the stacking platform (b2) to rotate via the reducer.

4. The motor core sheet half-cutting and laminating production line according to claim 1 is characterized in that: The stamping seat is provided with a accommodating cavity at a position below the stamping die groove, and the elastic component includes a spring and a guide column. The spring is vertically arranged in the accommodating cavity, and a guide hole is provided at the bottom of the stamping die groove which vertically penetrates to the accommodating cavity. The guide column is slidably inserted in the guide hole, and the lower end of the guide column is connected to the spring and the upper end is connected to the floating die table.

5. The motor core sheet half-cutting and laminating production line according to claim 4 is characterized in that: There are a plurality of guide holes (a13) distributed circumferentially around the punch (a2), and a guide column (a14) is slidably inserted into each guide hole (a13).

6. The motor core sheet half-cutting and laminating production line according to claim 1 is characterized in that: The lower part of the punch (a2) is detachably connected to the punch seat (a1) by bolts.

7. A processing method for a motor iron core sheet half-cutting and laminating production line, applied to the motor iron core sheet half-cutting and laminating production line as claimed in claim 1, characterized in that: The following steps are involved: S1. Half-cut stamping process: The material strip is conveyed between the stamping seat (a1) and the stamping head (a5), and then the lifting drive (a6) drives the stamping head (a5) to descend to stamp the material strip, so that the material strip is pressed toward the stamping die groove (a11). At this time, the floating die table (a3) ​​will move downward with the first outer die (a51), and the position corresponding to the axial hole of the iron core sheet on the material strip is punched by the punching hole (a52) of the first outer die (a51) and the punch (a2). At the same time, the position corresponding to the outer edge of the iron core sheet on the material strip is The position is punched by the first outer mold (a51) and the outer edge of the stamping die groove (a11), but the position of the material strip and the outer edge of the iron core sheet corresponding to the groove (a53) of the first outer mold (a51) is not punched and forms a strip-shaped connecting rib, so that the outer edge of the iron core sheet is not completely separated from the material strip, that is, a half-cut state is formed, and then the lifting drive member (a6) drives the punching head (a5) to rise and reset, and the floating die table (a3) ​​is pushed up by the elastic component so that the corresponding iron core sheet on the material strip is separated from the stamping die groove (a11); S2, stacking processing: the iron core pieces on the material strip that have completed the half-cut stamping processing are transported to between the stacking seat (b1) and the stacking head (b4), and then the lifting drive member (a6) drives the stacking head (b4) to descend to stamp the corresponding iron core pieces on the material strip, so that the corresponding iron core pieces on the material strip are pressed toward the stacking die groove (b21), and the strip connecting ribs between the outer edge of the iron core piece and the material strip are completely cut by the second outer mold (b41) and the stacking die groove (b21), and the iron core pieces are separated from the material strip and stacked in the stacking die groove (b21); S3, continue to convey the material belt and repeat steps S1 and S2 until the number of core sheets in the stacking die groove (b21) reaches the required number of stacking.

8. The method for processing a motor core sheet half-cutting and laminating production line according to claim 7, characterized in that: The stacking seat (b1) of the stacking assembly is provided with a rotary drive member (b3), the stacking platform (b2) is rotatably connected to the stacking seat (b1) with a vertical axis, and the output end of the rotary drive member (b3) acts on the stacking platform (b2) to drive the stacking platform (b2) to rotate; In step S2, when the iron core pieces on the material strip that have completed the half-cut stamping process are transported between the stacking seat (b1) and the stacking head (b4), the rotary drive member (b3) first drives the stacking table (b2) to rotate to a preset angle, and then the lifting drive member (a6) drives the stacking head (b4) to descend to stamp the corresponding iron core pieces on the material strip.

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