Multi-station stamping structure of micro motor stator

Abstract

The application discloses a kind of micro motor stator multi-station stamping structure, belong to micro motor stator technical field, including support plate, upper layer frame located at the top of support plate, top plate located at the top of upper layer frame and three stamping die pieces between top plate and upper layer frame, the bottom groove of three linear array distribution is opened in the bottom of upper layer frame, three stamping slot holes are opened in the top wall and bottom wall of upper layer frame, a limit block is fixed in each bottom groove of upper layer frame, four second connecting rods are fixed in each bottom groove of the bottom of upper layer frame, and the second connecting rods are distributed in rectangular array.The micro motor stator multi-station stamping structure can limit the position of the core stamping sheet during the production of the micro motor stator core stamping sheet, reduce the possibility of the core stamping sheet scattering, and improve the efficiency of the micro motor stator production.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of micro motor stator, and particularly relates to a micro motor stator multi-station stamping structure. BACKGROUND

[0002] The fixed part in the motor is called a stator, and a pair of direct-current excitation static main magnetic poles are arranged on the stator. The rotating part is called an armature core. The stator winding can be divided into two types of concentrated type and distributed type according to the shape of the coil winding and the embedding wiring mode. In the process of using the existing micro motor stator multi-station stamping structure, the same set of stamping dies is used for stamping in the same station. Heat is generated in this process, which affects the precision of the stamping die.

[0003] The utility model patent with the application number 202222364243.6 discloses a micro motor stator multi-station stamping structure, which comprises a stamping device body. The top ends of the stamping device body are fixedly connected with support plates on both sides. A double-sided template is arranged between the two support plates. A long slot is formed in the middle of one of the support plates. A rotating assembly is arranged on one side of the support plate. A fixed plate is arranged at the bottom of the rotating assembly. A connecting assembly is arranged in the middle of the stamping device body. The micro motor stator multi-station stamping structure can realize the continuous replacement of two sets of stamping dies during the use of the micro motor stator multi-station stamping structure, reduces the heat accumulated in the stamping process, and reduces the influence of heat on precision.

[0004] However, the above-mentioned utility model patent cannot limit the position of the stator core stamping sheet after stamping during the process of stamping the micro motor stator, which will cause the stator core stamping sheet produced after stamping to scatter everywhere, affecting the progress of subsequent production of micro motor stators. SUMMARY

[0005] The present application aims to provide a micro motor stator multi-station stamping structure to solve the problem that the existing disclosed technical solution can cool the stamping die during the stamping process of the micro motor stator sheet, but cannot constrain the position of the stator core stamping sheet after stamping.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a micro motor stator multi-station stamping structure, which comprises a support plate, an upper layer shelf arranged on the top of the support plate, a top plate arranged on the top of the upper layer shelf, and three stamping die pieces between the top plate and the upper layer shelf. The bottom of the support plate is fixed with four support legs arranged in a rectangular array to support the micro motor stator multi-station stamping structure.

[0007] The lower layer frame is fixed on the top of the support plate, three linearly arranged storage grooves are formed on the lower layer frame, and a first conveying belt for conveying stator core stamping pieces is arranged in each storage groove.

[0008] A connecting plate is fixed at the center of the bottom of the top plate, three linearly arranged telescopic rods are fixed on the bottom of the connecting plate, and each stamping die is arranged at the bottom of the telescopic end of each telescopic rod.

[0009] As a preferred embodiment of the present application, first steel coil limiting blocks are arranged at the positions on both sides of the top of the upper layer frame, and three second steel coil limiting blocks are arranged in a linear array between the two first steel coil limiting blocks on the top of the upper layer frame.

[0010] As a preferred embodiment of the present application, three bottom groove openings are formed on the bottom of the upper layer frame in a linear array, and each bottom groove opening corresponds to the position of a second steel coil limiting block.

[0011] As a preferred embodiment of the present application, three stamping groove holes are formed on the upper layer frame and penetrate the top wall and the bottom wall of the upper layer frame, and each stamping groove hole corresponds to the position of a bottom groove opening.

[0012] As a preferred embodiment of the present application, a limiting block is arranged in each bottom groove opening of the upper layer frame, and a circular hole is formed at the position of each limiting block on the upper layer frame.

[0013] As a preferred embodiment of the present application, four first connecting rods are arranged at the positions of each bottom groove opening on the bottom of the upper layer frame in a rectangular array, every two first connecting rods are arranged on the same side, a first connecting plate is connected to the end of each first connecting rod away from the upper layer frame on each side, and a second conveying belt is arranged between the two first connecting plates in each bottom groove opening on the bottom of the upper layer frame.

[0014] As a preferred embodiment of the present application, a core stamping piece limiting block is arranged on the top of each second conveying belt, two grooves are formed on each core stamping piece limiting block, and the two grooves on each core stamping piece limiting block are symmetrical about the core stamping piece limiting block.

[0015] As a preferred embodiment of the present application, four second connecting rods arranged in a rectangular array are fixed in each of the bottom grooves at the bottom of the upper shelf, and a second connecting plate is fixed at the end of each of the four second connecting rods away from the upper shelf in each of the bottom grooves of the upper shelf, and a driving motor is fixed on the side of each of the second connecting plates away from the second connecting rods, and a driving pulley is coaxially connected to the output shaft of each of the driving motors, and a traction belt is sleeved on each of the driving pulleys.

[0016] As a preferred embodiment of the present application, a left-right rotating screw rod is rotatably installed at each of the bottom grooves at the bottom of the upper shelf through a round hole, and a driven pulley is fixedly sleeved on the end of each of the left-right rotating screw rods close to the driving pulley, and each of the driven pulleys is sleeved on the side of the traction belt away from the driving pulley.

[0017] As a preferred embodiment of the present application, a connecting block is threadedly connected to each of the left-right rotating screw rods in forward rotation and reverse rotation, a matching block is fixed on each of the connecting blocks, and a limiting protrusion is fixed on the top of each of the connecting blocks.

[0018] The technical effects and advantages of the micro motor stator multi-station stamping structure are as follows:

[0019] In the production process of the micro motor stator core stamping sheet, the three telescopic rods are opened to drive the three stamping die pieces to stamp, and in the stamping process, the core stamping sheet falls downward after passing through the stamping slot hole and falls into the core stamping sheet limiting block directly below the stamping slot hole on the upper shelf. The core stamping sheet limiting block can limit the position of the core stamping sheet. When a core stamping sheet limiting block collects a certain number of core stamping sheets, the driving motor is opened to drive the driving pulley to rotate, the driving pulley drives the driven pulley and the left-right rotating screw rod to rotate through the traction belt, and the two connecting blocks move away from each other, so that the two matching blocks move away from each other and no longer constrain the position of the core stamping sheet limiting block. This structure can limit the position of the core stamping sheet in the production process of the micro motor stator core stamping sheet, reduce the possibility of core stamping sheet scattering, and improve the efficiency of micro motor stator production.

[0020] In the stamping process by the three stamping die pieces, the three stamping die pieces generate heat in the stamping process. The three fans are opened to cool the three stamping die pieces. This structure can cool the three stamping die pieces in the core stamping sheet stamping process, and improve the service life of the micro motor stator multi-station stamping structure. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0022] Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0023] Figure 2 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0024] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 3 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 2 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0025] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 4 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0026] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 5 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0027] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 6 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0028] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 7 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 6 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0029] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 8 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 7 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0030] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 9 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 6 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0031] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 10 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 1 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0032] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 11 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Figure 10 Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0033] Structure diagram of the multi-station stamping structure of the stator of the micro motor; Structure diagram of the multi-station stamping structure of the stator of the micro motor;

[0034] 101, support plate; 102, support leg; 103, lower shelf; 104, storage groove; 105, first conveying belt; 101, support plate; 102, support leg; 103, lower shelf; 104, storage groove; 105, first conveying belt;

[0035] 201, support rod; 202, top plate; 203, connecting plate; 204, telescopic rod; 205, stamping die piece;

[0036] 211, fixing plate; 212, fan;

[0037] 301, upper layer; 302, first steel coil limiting block; 303, second steel coil limiting block; 304, bottom slot; 305, stamping slot hole; 306, limiting clamping block; 307, round hole;

[0038] 311, first connecting rod; 312, first connecting plate; 313, second conveying belt; 314, iron core stamping piece limiting block; 315, groove;

[0039] 321, second connecting rod; 322, second connecting plate; 323, driving motor; 324, driving pulley; 325, traction belt;

[0040] 331, left and right screw rods; 332, driven pulley; 333, connecting block; 334, matching block; 335, limiting protrusion. DETAILED DESCRIPTION

[0041] In the following description, numerous specific details are given to provide a thorough understanding of the application. However, it will be apparent that the application can be practiced without one or more of the specific details. In other instances, well-known techniques are not described in detail in order to avoid obscuring the application.

[0042] Unless specifically defined otherwise, the terms "upper," "lower," "left," "right," "forward," "backward," "interior," and "exterior" used herein refer to the orientation of the figures as shown in the drawings, and are used in this description for convenience.

[0043] The connecting mode can adopt the existing modes such as bonding, welding, bolt connection, etc., and the actual needs are accurate.

[0044] Embodiment, please refer to as Figures 1-11As shown, a multi-station stamping structure for a micro motor stator includes a support plate 101, an upper frame 301 located on top of the support plate 101, a top plate 202 located on top of the upper frame 301, and three stamping die parts 205 between the top plate 202 and the upper frame 301. Four legs 102 arranged in a rectangular array are fixed at the bottom of the support plate 101 to support the multi-station stamping structure for the micro motor stator. A lower frame 103 is fixed at the top of the support plate 101. Three linearly arranged storage slots 104 are provided on the lower frame 103. A first conveyor belt 105 for conveying stator core stamping sheets is fixed in each storage slot 104 of the lower frame 103. A core stamping sheet limiting block 314 containing stator core stamping sheets can be conveyed.

[0045] Support rods 201 are fixed at the four corners of the bottom of the top plate 202. The top plate 202 is fixed to the top of the support plate 101 by the four support rods 201. A connecting plate 203 is fixed at the center of the bottom of the top plate 202. Three telescopic rods 204 arranged in a linear array are fixed at the bottom of the connecting plate 203. Each stamping die part 205 is located at the bottom of one telescopic rod 204 at one of its telescopic ends. Whether the stamping die part 205 is stamped is controlled by the telescopic rod 204.

[0046] In order to restrict the position of the stator core laminations during production, such as Figures 1-3 , Figures 6-11 As shown, first steel coil limiting blocks 302 are fixed at both sides of the top of the upper frame 301. Three second steel coil limiting blocks 303 arranged in a linear array are fixed between the two first steel coil limiting blocks 302 at the top of the upper frame 301. The position of the steel coil is restricted by the first steel coil limiting blocks 302 and the second steel coil limiting blocks 303, which facilitates the stamping of the steel coil. Three bottom slots 304 arranged in a linear array are opened at the bottom of the upper frame 301. Each bottom slot 304 corresponds to the position of one of the second steel coil limiting blocks 303, and the position of each bottom slot 304 corresponds to the position of one of the first conveyor belts 105. Three stamping slots 305 penetrating the top and bottom walls of the upper frame 301 are opened. Each stamping slot 305 corresponds to the position of one of the bottom slots 304.

[0047] The first connecting rods 311 are arranged in a rectangular array, and two first connecting rods 311 are arranged on each side of the upper shelf 301. The two first connecting rods 311 on each side are connected to a first connecting plate 312 at an end away from the upper shelf 301. Two first connecting plates 312 are arranged in each bottom groove 304 of the bottom of the upper shelf 301. A second conveying belt 313 is arranged between the two first connecting plates 312 in each bottom groove 304 of the bottom of the upper shelf 301. An iron core stamping sheet limiting block 314 is arranged on the top of each second conveying belt 313. The iron core stamping sheet limiting block 314 is used to collect the iron core stamping sheets and reduce the probability of scattering.

[0048] The second connecting rods 321 are arranged in a rectangular array, and four second connecting rods 321 are arranged in each bottom groove 304 of the bottom of the upper shelf 301. The four second connecting rods 321 in each bottom groove 304 of the bottom of the upper shelf 301 are fixed to a second connecting plate 322 at an end away from the upper shelf 301. The second connecting plate 322 is fixed to a driving motor 323 on a side away from the second connecting rod 321. The output shaft of the driving motor 323 is coaxially connected to a driving pulley 324. The driving pulley 324 is sleeved with a traction belt 325. A circular hole 307 is arranged at the position of each limiting block 306 of the upper shelf 301. A left-right rotating screw rod 331 is rotatably arranged in each bottom groove 304 of the bottom of the upper shelf 301 through the circular hole 307. The left-right rotating screw rod 331 is fixed to a driven pulley 332 at an end close to the driving pulley 324. The driven pulley 332 is sleeved on a side of the traction belt 325 away from the driving pulley 324. The position of the driven pulley 332 is matched with the position of the driving pulley 324, so that the traction belt 325 can act on the driven pulley 332. A connecting block 333 is threadedly connected to the left-right rotating screw rod 331 in the forward and reverse directions. A matching block 334 is fixed to the connecting block 333. A limiting protrusion 335 is fixed to the top of the connecting block 333. A limiting block 306 is arranged in each bottom groove 304 of the upper shelf 301. The limiting protrusion 335 on the top of the connecting block 333 is slidingly inserted into the limiting block 306 on the top of the connecting block 333, so that the matching block 334 cannot rotate during left-right movement. Two grooves 315 are arranged on the iron core stamping sheet limiting block 314. The two grooves 315 on the iron core stamping sheet limiting block 314 are symmetrical about the iron core stamping sheet limiting block 314. The two matching blocks 334 on the left-right rotating screw rod 331 are inserted into the grooves 315 of the iron core stamping sheet limiting block 314, so as to constrain the position of the iron core stamping sheet limiting block 314.

[0049] In order to facilitate heat dissipation of the stamping die 205, a cooling device 206 is arranged on the stamping die 205. Figures 4-5As shown, the top plate 202 is fixed with three fixed plates 211, and each fixed plate 211 is fixed with a fan 212, which acts on the stamping die part 205 to dissipate heat.

[0050] In the production process of the micro motor stator core stamping sheet, when the micro motor stator multi-station stamping structure is selected, the raw metal sheet to be stamped is inserted into the two first steel roll limiting blocks 302 and the three second steel roll limiting blocks 303, and then the three telescopic rods 204 are opened to drive the three stamping die parts 205 to stamp. In the process of stamping, the core stamping sheet falls downward after passing through the stamping slot hole 305 and falls into the core stamping sheet limiting block 314 directly below the stamping slot hole 305 on the upper layer frame 301. The core stamping sheet limiting block 314 can limit the position of the core stamping sheet. When a core stamping sheet limiting block 314 collects a certain number of core stamping sheets, the driving motor 323 is opened to drive the driving pulley 324 to rotate. The driving pulley 324 drives the driven pulley 332 and the left and right screw rods 331 to rotate through the traction belt 325, and drives the two connecting blocks 333 to move away from each other, so that the two matching blocks 334 move away from each other and no longer constrain the position of the core stamping sheet limiting block 314. The core stamping sheet limiting block 314 can move out from the top of the second conveying belt 313 and fall onto the first conveying belt 105 for conveying. Subsequently, the core stamping sheet limiting block 314 loaded with the core stamping sheet is collected. After the core stamping sheet limiting block 314 moves out from the top of the second conveying belt 313, the driving motor 323 is opened to drive the driving pulley 324 to rotate in the opposite direction. The driving pulley 324 drives the driven pulley 332 and the left and right screw rods 331 to rotate in the opposite direction, so that the two connecting blocks 333 drive the two matching blocks 334 to move towards each other, clamping the core stamping sheet limiting block 314 on the rear side of the second conveying belt 313, and can continuously limit the position of the core stamping sheet limiting block 314 on the rear side.

[0051] It should be noted that in this document, the terms "one" and "the" are not intended to exclude the presence of the other quantity, quantity or more, unless otherwise indicated by the context. Furthermore, the terms "including", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or other elements inherent to such process, method, article or apparatus. Without more limitations, the statement "including a……defined element does not exclude the presence of additional same element in the process, method, article or apparatus including the element.

[0052] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A multi-station stamping structure of a micro motor stator, comprising a support plate (101), an upper shelf (301) located on the top of the support plate (101), a top plate (202) located on the top of the upper shelf (301), and three stamping die pieces (205) between the top plate (202) and the upper shelf (301), characterized in that: The support plate (101) is fixed with four supporting legs (102) in rectangular array for supporting the multi-position stamping structure of the micro motor stator; The support plate (101) is fixed with a lower shelf (103) on the top, and three linear array distribution of the storage groove (104) is opened on the lower shelf (103), and each storage groove (104) of the lower shelf (103) is fixed with a first conveying belt (105) for conveying stator core stamping sheet; The top plate (202) is fixed with a connecting plate (203) at the bottom center, and the connecting plate (203) is fixed with three linear array distribution of the telescopic rod (204) at the bottom, and each stamping die (205) is located at the bottom of the telescopic rod (204) at one end of the telescopic rod (204); The upper shelf (301) is fixed with a first steel coil limiting block (302) at the top of both sides, and the upper shelf (301) is fixed with three linear array distribution of the second steel coil limiting block (303) between the two first steel coil limiting blocks (302) at the top; The upper shelf (301) is provided with three linear array distribution of the bottom slot (304) at the bottom, and each bottom slot (304) corresponds to the position of one of the second steel coil limiting blocks (303); Each bottom slot (304) of the upper shelf (301) is fixed with a limiting block (306), and a circular hole (307) is formed at the position of each limiting block (306) on the upper shelf (301); The bottom of the upper shelf (301) is fixed with four first connecting rods (311) in rectangular array at the position of each bottom slot (304), and every two first connecting rods (311) are located on the same side, and the end of the two first connecting rods (311) on each side away from the upper shelf (301) is connected with a first connecting plate (312), and the two first connecting plates (312) in each bottom slot (304) of the upper shelf (301) are installed with a second conveying belt (313); Each second conveying belt (313) is placed with a core stamping sheet limiting block (314) at the top, and two grooves (315) are formed on each core stamping sheet limiting block (314), and the two grooves (315) on each core stamping sheet limiting block (314) are symmetrical about the core stamping sheet limiting block (314); Four second connecting rods (321) in rectangular array are fixed in each bottom slot (304) at the bottom of the upper shelf (301), and the end of the four second connecting rods (321) away from the upper shelf (301) is fixed with a second connecting plate (322) in each bottom slot (304) of the upper shelf (301), a driving motor (323) is fixed on the side of each second connecting plate (322) away from the second connecting rod (321), and the output shaft of each driving motor (323) is coaxially connected with a driving pulley (324), and a traction belt (325) is sleeved on each driving pulley (324); A left-right rotating screw rod (331) is rotatably installed at each bottom slot (304) at the bottom of the upper shelf (301) through a round hole (307), a driven pulley (332) is fixedly sleeved on the end of each left-right rotating screw rod (331) close to the driving pulley (324), and each driven pulley (332) is sleeved on the side of the traction belt (325) away from the driving pulley (324); The left-right rotating screw rod (331) is threadedly connected with a connecting block (333) in forward rotation and reverse rotation, a matching block (334) is fixed on each connecting block (333), and a limiting protrusion (335) is fixed on the top of each connecting block (333).

2. The multi-station punching structure of a stator of a micromotor according to claim 1, wherein: Three stamping slot holes (305) penetrating through the top wall and the bottom wall of the upper shelf (301) are formed in the upper shelf (301), and each stamping slot hole (305) corresponds to the position of one of the bottom slots (304).

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