Motor punching sheet separation die structure

Abstract

The utility model discloses a motor punching sheet separation die structure, which relates to the technical field of dies and comprises a bottom plate, a hollow column is fixedly mounted on the bottom plate, a lower die plate is fixedly mounted at the upper end of the hollow column, an outer frame is fixedly mounted on the bottom plate, a coaming is arranged in the outer frame, the coaming is rotatably mounted on the inner side of the outer frame, and the coaming surrounds the lower die plate. A support is fixedly installed on the bottom plate, a movable plate is arranged in the support and located at the upper end of the surrounding plate, a mold core is fixedly installed at the bottom of the movable plate, and a closed mold cavity can be formed among the mold core, the movable plate, the surrounding plate and the bottom plate. The upper mold can be quickly separated from the workpiece, so that the demolding work is assisted, and the demolding time is shortened. And the motor is matched to drive the coaming and the inner gear ring to synchronously rotate, so that the coaming and the side wall of the workpiece can be quickly separated, and the adhesion phenomenon between the side wall of the workpiece and the coaming is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field especially relates to a motor punching sheet separation die structure. BACKGROUND

[0002] The structural design of the motor punching sheet separation die plays an important role in motor manufacturing, as it directly affects the production efficiency and quality of motor punching sheets. Motor punching sheets are important parts in motor manufacturing, mainly used to form the stator and rotor of the motor. These punching sheets are usually made of silicon steel sheets or other magnetic materials, with specific shapes and sizes to meet the electromagnetic and mechanical requirements during motor operation.

[0003] For example, the motor punching sheet die with publication number CN104741435A specifically discloses a lower die plate, a female die, a male die, an upper die holder, a die handle, and a discharge rubber installed on the outside of the male die. Below the discharge rubber, a discharge plate is provided. Between the upper die holder and the discharge plate, a discharge plate guide column is installed. The lower surface of the upper die holder is provided with a cavity for installing the discharge plate guide column. The surface of the discharge plate guide column in the cavity is installed with a butterfly spring. The lower surface of the upper die holder outside the discharge plate guide column is connected with a discharge plate guide sleeve. Between the discharge plate and the lower die plate, a guide column is provided. The upper end surface of the guide column is provided with a ball bearing. The beneficial effects of the present invention are: the stability of the male die is good, the service life of the male die is improved, the service life of the die and the quality of the punching sheet are improved.

[0004] The existing motor punching sheet die structure has the phenomenon of adhesion between the punching sheet and the die after the punching sheet is formed, which leads to poor demolding, increases the operation time of demolding, and reduces the production efficiency. In the automatic production line, this adhesion phenomenon may even cause production interruption, affecting the entire production process. At the same time, the punching sheet adhered to the die may be deformed due to uneven stress, leading to inaccurate punching sheet size, affecting the assembly quality and performance of the motor. Therefore, we propose a motor punching sheet separation die structure. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a motor punching sheet separation die structure to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a motor punching sheet separation die structure, comprising: a bottom plate, a hollow column fixedly installed on the bottom plate, a lower die plate fixedly installed on the upper end of the hollow column, an outer frame fixedly installed on the bottom plate, a coaming provided in the outer frame, the coaming being rotatably installed on the inner side of the outer frame, and the coaming surrounding the lower die plate.

[0007] The bottom plate is fixedly installed with a support, the support is internally provided with a movable plate, the movable plate is located at the upper end of the surrounding plate, the movable plate is fixedly installed with a mold core at the bottom, the mold core, the movable plate, the surrounding plate and the bottom plate can form a closed mold cavity, the support is fixedly installed with two electric push rods which are spaced apart, the output ends of the electric push rods are fixedly connected to the movable plate, further comprising a pipeline, the pipeline is arranged above the movable plate and is fixedly connected to the movable plate, the pipeline penetrates through the movable plate and has a plurality of through holes, the upper end of the pipeline is in communication and fixedly installed with an inner tube, the support is fixedly installed with a feeding pipe, the upper end of the inner tube extends into the feeding pipe and they are in a communication state, and the feeding pipe is in communication with an external feeding device.

[0008] As a further technical scheme of the utility model, the inner side of the surrounding plate is fixedly installed with an inner gear ring, the bottom plate is fixedly installed with a motor, the output shaft end of the motor is fixedly installed with a driving wheel, and the driving wheel is in mesh with the inner gear ring.

[0009] As a further technical scheme of the utility model, the lower mold plate is internally provided with a cavity, and the cavity is in communication with the upper end of the hollow column.

[0010] As a further technical scheme of the utility model, the bottom plate is fixedly installed with a container at the bottom, a communication port is formed in the bottom plate, and the container and the hollow column are in communication through the communication port.

[0011] As a further technical scheme of the utility model, the container is fixedly installed with a water injection pipe in communication, and the water injection pipe is installed with a valve.

[0012] As a further technical scheme of the utility model, the container is installed with a temperature measuring device.

[0013] The utility model provides a motor punching piece separation mold structure, and has the following beneficial effects compared with the prior art:

[0014] 1、 the motor punching piece separation mold structure of the design, through electric push rod drive movable plate and separate with workpiece on shift, the upper die and workpiece can separate fast, thereby auxiliary demolding work is carried out, reduces demolding time. Cooperation motor drives driving wheel rotation, driving wheel drives inner gear ring rotation, can drive surrounding plate and inner gear ring synchronous rotation, thereby surrounding plate and workpiece side wall can separate fast, avoid workpiece side wall and surrounding plate between sticking phenomenon.

[0015] 2. This design presents a motor lamination separation mold structure. During the injection process, material is injected into the mold cavity through multiple injection points via pipelines. These multiple injection points can inject material into the mold cavity simultaneously or sequentially, resulting in a more uniform distribution of material within the mold cavity. This accelerates the injection molding speed and shortens the injection molding cycle. Multiple injection points also reduce flow resistance and pressure loss within the mold cavity, leading to a more uniform material distribution and higher precision in the injection-molded product. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a motor lamination separation mold structure;

[0017] Figure 2 This is a front view of a motor lamination separation mold structure;

[0018] Figure 3 This is an enlarged schematic diagram of a portion of the core structure of a motor lamination separation die structure;

[0019] Figure 4 This is an enlarged schematic diagram of a portion of the structure at the bottom plate of a motor lamination separation die structure.

[0020] Figure 5 This is an enlarged sectional view of a portion of the structure of the enclosure of a motor lamination separation mold.

[0021] In the diagram: 1. Base plate; 2. Hollow column; 3. Lower template; 4. Outer frame; 5. Enclosure; 6. Support; 7. Movable plate; 8. Mold core; 9. Electric push rod; 10. Pipeline; 11. Inner tube; 12. Feed pipe; 13. Inner gear ring; 14. Motor; 15. Cavity; 16. Container; 17. Connecting port; 18. Water injection pipe; 19. Drive wheel. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5The utility model provides a kind of motor punching sheet separation mould structure technical scheme: a kind of motor punching sheet separation mould structure, comprising: bottom plate 1, hollow column 2 is fixedly installed on bottom plate 1, lower die plate 3 is fixedly installed on the upper end of hollow column 2, outer frame 4 is fixedly installed on bottom plate 1, outer frame 4 is equipped with coaming 5, coaming 5 can be rotatably installed in the inside of outer frame 4, coaming 5 surrounds lower die plate 3 outside.Coaming 5 is fixedly installed on bottom plate 1, bracket 6 is fixedly installed on bottom plate 1, movable plate 7 is equipped in bracket 6, movable plate 7 is located on the upper end of coaming 5, movable plate 7 bottom is fixedly installed with mold core 8, mold core 8, movable plate 7, coaming 5 and bottom plate 1 can form closed mold cavity, two interval settings electric push rod 9 are fixedly installed on bracket 6, the output end of electric push rod 9 is all fixedly connected on movable plate 7, further include pipeline 10, pipeline 10 is arranged above movable plate 7 and is fixedly connected with movable plate 7, pipeline 10 passes through movable plate 7 and has multiple through-penetrations with movable plate 7, inner tube 11 is communicated and fixedly installed on the upper end of pipeline 10, feed pipe 12 is fixedly installed on bracket 6, inner tube 11 upper end extends into feed pipe 12 and both are in communication state, feed pipe 12 is communicated with external feeding device.

[0024] by driving electric push rod 9 drive movable plate 7 to move down, movable plate 7 moves to coaming 5, movable plate 7 as upper die, make mold core 8, movable plate 7, coaming 5 and bottom plate 1 form closed mold cavity, external feeding device injects melt material into feed pipe 12, through inner tube 11, pipeline 10 into mold cavity, after the material in mold cavity cools down, the formed punching sheet can be obtained. When demolding, movable plate 7 is driven by electric push rod 9 to move up and separate from workpiece, so that the upper die and the workpiece can be quickly separated, thereby assisting demolding and reducing demolding time.

[0025] During injection process, material is injected into mold cavity from multiple injection points through pipeline 10, so that the material in the mold cavity is more evenly distributed, thereby accelerating the injection speed and shortening the injection cycle. Multiple injection points can reduce the flow resistance and pressure loss of the material in the mold cavity, so that the material is more evenly distributed in the mold cavity, the product precision after injection molding is higher, and the size is more stable, meeting the production needs of high-precision products.

[0026] Among them, inner ring gear 13 is fixedly installed on the inside of coaming 5, motor 14 is fixedly installed on bottom plate 1, driving wheel 19 is fixedly installed on the output shaft end of motor 14, and driving wheel 19 is engaged with inner ring gear 13. During demolding, driving wheel 19 drives inner ring gear 13 to rotate by cooperating with motor 14, so that coaming 5 and inner ring gear 13 can be driven to rotate synchronously, thereby coaming 5 and workpiece sidewall can be quickly separated, avoiding the adhesion phenomenon between workpiece sidewall and coaming 5.

[0027] The lower die plate 3 is provided with a cavity 15, which is communicated with the upper end of the hollow column 2. The bottom plate 1 is fixedly provided with a container 16 at the bottom, and the bottom plate 1 is provided with a communicating port 17. The container 16 is communicated with the hollow column 2 through the communicating port 17. The container 16 is provided with a water injection pipe 18 communicated and fixedly installed thereon, and the water injection pipe 18 is provided with a valve. The container 16 is provided with a temperature measuring device. During the cooling and forming of the workpiece, the low-temperature cooling liquid is injected into the container 16 through the water injection pipe 18. When the container 16 is filled with the cooling liquid, the cooling liquid overflows into the cavity 15 through the communicating port 17 and the hollow column 2. The lower die plate 3 is made of heat-conducting metal material, so that the heat on the molten material in the mold cavity can be absorbed by the cooling liquid, thereby accelerating the cooling efficiency of the molten material and improving the production efficiency of the punched sheet.

[0028] The working principle of the utility model is as follows: the movable plate 7 is driven to move downward by the electric push rod 9, and the movable plate 7 moves to the surrounding plate 5. The movable plate 7 serves as an upper die, and a closed mold cavity is formed between the mold core 8, the movable plate 7, the surrounding plate 5 and the bottom plate 1. The external feeding device injects the molten material into the feeding pipe 12, and the molten material enters the mold cavity through the inner pipe 11 and the pipeline 10. After the material in the mold cavity is cooled, the formed punched sheet can be obtained. During demolding operation, the movable plate 7 is driven to move upward by the electric push rod 9 and separated from the workpiece. The upper die and the workpiece can be quickly separated. During the demolding process, the motor 14 drives the driving wheel 19 to rotate, the driving wheel 19 drives the inner gear ring 13 to rotate, and the surrounding plate 5 and the inner gear ring 13 can be synchronously rotated, so that the surrounding plate 5 and the sidewall of the workpiece can be quickly separated, and the adhesion phenomenon between the sidewall of the workpiece and the surrounding plate 5 is avoided.

[0029] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. An electrical machine lamination separation die structure, characterized by, Include: The bottom plate (1), the hollow column (2) is fixedly installed on the bottom plate (1), the lower die plate (3) is fixedly installed on the upper end of the hollow column (2), the outer frame (4) is fixedly installed on the bottom plate (1), the coaming (5) is arranged in the outer frame (4), the coaming (5) is rotatably installed on the inner side of the outer frame (4), and the coaming (5) surrounds the lower die plate (3) outside; The bracket (6) is fixedly installed on the bottom plate (1), the movable plate (7) is arranged in the bracket (6), the movable plate (7) is located on the upper end of the coaming (5), the mold core (8) is fixedly installed on the bottom of the movable plate (7), the mold core (8), the movable plate (7), the coaming (5) and the bottom plate (1) can form a closed mold cavity, two interval arranged electric push rods (9) are fixedly installed on the bracket (6), the output ends of the electric push rods (9) are fixedly connected to the movable plate (7), and the pipeline (10) is arranged above the movable plate (7) and fixedly connected with the movable plate (7), the pipeline (10) passes through the movable plate (7) and has a plurality of through holes with the movable plate (7), the inner tube (11) is communicated and fixedly installed on the upper end of the pipeline (10), the feeding pipe (12) is fixedly installed on the bracket (6), the inner tube (11) extends into the feeding pipe (12) and is in a communicated state, and the feeding pipe (12) is communicated with the external feeding device.

2. A motor lamination separation die structure according to claim 1, wherein The inner gear ring (13) is fixedly installed on the inner side of the coaming (5), the motor (14) is fixedly installed on the bottom plate (1), the output shaft end of the motor (14) is fixedly installed with the driving wheel (19), and the driving wheel (19) is engaged with the inner gear ring (13).

3. A motor lamination separation die structure according to claim 2, wherein The cavity (15) is arranged in the lower die plate (3), and the cavity (15) is communicated with the upper end of the hollow column (2).

4. A motor lamination separation die structure according to claim 3, wherein The container (16) is fixedly installed on the bottom of the bottom plate (1), the communication port (17) is formed in the bottom plate (1), and the container (16) is communicated with the hollow column (2) through the communication port (17).

5. A motor lamination separation die structure according to claim 4, wherein The water injection pipe (18) is communicated and fixedly installed on the container (16), and the valve is installed on the water injection pipe (18).

6. A motor lamination separation die structure according to claim 5, wherein The temperature measuring device is installed on the container (16).

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