Motor iron core mold capable of rapidly demolding

Abstract

The utility model discloses a motor iron core mold capable of rapidly demolding. The motor iron core mold is characterized by comprising a bottom plate and a lower mold arranged on the bottom plate; an upper die is correspondingly arranged above the lower die, the lower die is provided with a die cavity, a gasket is arranged in the die cavity in a sliding mode in the vertical direction, a plurality of springback assemblies capable of enabling the gasket to return after sliding are arranged in the die cavity, and each springback assembly comprises a moving rod penetrating through the side wall of the lower die and sliding in the lower die and a rotating plate rotationally connected with the end, located in the die cavity, of the moving rod. The end, away from the moving rod, of the rotating plate is rotationally connected with the gasket, the end, away from the die cavity, of the moving rod is provided with an elastic piece driving the moving rod to slide towards the interior of the die cavity, and the gasket is higher than the top face of the lower die when moving to the highest position. The rotating plate is arranged to be rotationally connected with the gasket and the moving rod, the downward movement amount of the gasket is converted into the movement amount of the moving rod, then the elastic piece rebounds the moving rod, the rebounding assembly pops up the iron core, the demolding process is simplified, and the production efficiency of the iron core is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of motor core production, in particular to a motor core mold capable of rapid demolding. BACKGROUND

[0002] The motor core refers to the stator core and rotor core in a motor, and is one of the core components in the motor; the stator core and rotor core are usually made of materials such as silicon steel sheets, the stator core is fixed on the motor shell, and the rotor core is fixed on the rotating shaft; the motor core is an indispensable component of the motor, and its main functions include transmitting electromagnetic force, improving motor efficiency, stabilizing motor operation, concentrating magnetic field, reducing magnetic source leakage, preventing electromagnetic field fluctuation and electromagnetic shielding, etc.

[0003] The materials such as silicon steel sheets are usually formed into the shape of the motor core through stamping; in the prior art, the mold needs to be manually removed after the product stamping is completed, and then the motor core is taken out and reinstalled.

[0004] According to the related technology, the inventor believes that the demolding process of the traditional motor core production mold is relatively troublesome, which is not convenient for the production of the core, so that the production efficiency of the motor core is low. CONTENT OF THE INVENTION

[0005] The application aims to provide a motor core mold capable of rapid demolding, so as to improve the problem that the demolding process of the traditional motor core production mold is relatively complex, which is not convenient for the production of the core, so that the production efficiency of the motor core is low.

[0006] The application provides a motor core mold capable of rapid demolding, which adopts the following technical scheme:

[0007] The motor core mold capable of rapid demolding comprises a bottom plate, a lower mold arranged on the bottom plate, an upper mold arranged above the lower mold in correspondence, a mold cavity arranged on the lower mold, a gasket arranged in the mold cavity and sliding in the up-down direction, a plurality of rebound components arranged in the mold cavity and capable of returning the gasket to the original position after the gasket slides, the rebound components comprising a moving rod penetrating through the side wall of the lower mold and sliding in the moving rod, a rotating plate rotatably connected to one end of the moving rod in the mold cavity, the rotating plate being rotatably connected to the gasket at the end away from the moving rod, an elastic member arranged at the end of the moving rod away from the mold cavity and capable of driving the moving rod to slide towards the inside of the mold cavity, and the height of the gasket when moving to the highest position being higher than the top surface of the lower mold.

[0008] By adopting the technical scheme, the upper die is arranged to stamp the lower die, the gasket is arranged to place the raw material, the gasket can move into the die cavity with the formed iron core when the raw material is stamped and formed, the rotating plate is arranged to rotatably connect the gasket and the moving rod, the moving amount of the gasket is converted into the moving amount of the moving rod, the elastic member is arranged to rebound the moving rod, the rebound assembly rebounds the iron core, the horizontal height of the gasket when being stable is higher than the top surface of the lower die, the iron core is fully separated from the raw material after rebounding, the iron core is convenient to take, the demolding process is simplified, and the production efficiency of the iron core is improved.

[0009] Optionally, the gasket is made of hard rubber material.

[0010] By adopting the technical scheme, the gasket made of hard rubber material is arranged to improve the friction force of the raw material placed thereon, reduce the sliding of the raw material, and improve the processing precision; meanwhile, the gasket is firm and durable, and does not affect the stamping effect.

[0011] Optionally, the bottom surface of the gasket is provided with a groove, a fixing seat is inserted and fixed in the groove, and the fixing seat is rotatably connected with one end of the rotating plate through a bolt.

[0012] By adopting the technical scheme, the fixing seat is arranged to be inserted in the groove, so that the fixing seat is convenient to install and stably fixed, and the fixing seat is rotatably connected with the rotating plate to conduct the moving amount of the gasket in the up-down direction to the moving rod.

[0013] Optionally, the elastic member is a spring, and one end of the moving rod away from the die cavity is provided with a connecting plate, and the elastic member is connected with the connecting plate and the outer wall of the lower die at two ends.

[0014] By adopting the technical scheme, the spring is arranged as the elastic member to rebound the moving rod, so that the gasket rebounds, the motor iron core is given a certain momentum to be completely separated from the raw material, and the motor iron core is convenient to take.

[0015] Optionally, the bottom plate is provided with a fixing frame, a hydraulic cylinder is arranged on the fixing frame in an inverted manner, and the upper die is arranged at the output end of the hydraulic cylinder.

[0016] By adopting the technical scheme, the fixing frame is arranged to stably fix the hydraulic cylinder, and the stability of stamping is improved; the hydraulic cylinder is arranged as the upper die driving device to provide stable pressure for stamping, and the stamping quality is improved.

[0017] Optionally, a plurality of positioning pins are arranged on the lower die, and a plurality of positioning holes are correspondingly arranged on the upper die.

[0018] By adopting the technical scheme, the positioning pins are arranged to cooperate with the positioning holes to effectively prevent misalignment, ensure accurate positioning of the iron core in the stamping process, and reduce quality problems caused by misalignment.

[0019] Optionally, the bottom plate is provided with a plurality of overvoltage protection components, the overvoltage protection component comprises a sleeve and a rod, the rod is slidingly connected in the sleeve, the rod is provided with a flat top surface near one end of the upper die, and the flat top surface abuts against the upper die after being pressed down.

[0020] By adopting the above technical scheme, when overpressure occurs in the hydraulic cylinder, the overvoltage protection component abuts against the output end of the hydraulic cylinder to prevent it from continuing to press down, thereby protecting the lower die, the iron core and other parts, reducing economic losses and improving safety; meanwhile, the overvoltage protection component plays a guiding role during the pressing process.

[0021] Optionally, the rod is provided with an auxiliary spring, and the auxiliary spring is connected to the top surface of the sleeve and the bottom surface of the flat top surface at two ends.

[0022] By adopting the above technical scheme, the auxiliary spring is provided to increase the supporting force of the overvoltage protection component, and when the hydraulic cylinder drives the upper die to rise, the auxiliary hydraulic cylinder resets the upper die.

[0023] In summary, the motor iron core mold with rapid demolding function has the following technical effects:

[0024] 1. The upper die is arranged to stamp the lower die, the gasket is arranged to place the raw material, and the mold cavity is arranged to stamp and form the raw material, so that the gasket can move into the mold cavity with the formed iron core, the rotating plate is arranged to rotatably connect the gasket and the moving rod, the downward movement of the gasket is converted into the movement of the moving rod, the elastic member is arranged to rebound the moving rod, the rebound assembly ejects the iron core, the horizontal height of the gasket when it is stable is higher than the top surface of the lower die, the iron core is fully separated from the raw material after rebounding, which is convenient to take and simplifies the demolding process, thereby improving the production efficiency of the iron core;

[0025] 2. The gasket made of hard rubber material is arranged to improve the friction force of the raw material placed thereon, reduce the sliding of the raw material, and improve the processing precision; meanwhile, the gasket is firm and durable, and does not affect the stamping effect;

[0026] 3. The overvoltage protection component is arranged to abut against the output end of the hydraulic cylinder when overpressure occurs in the hydraulic cylinder to prevent it from continuing to press down, thereby protecting the lower die, the iron core and other parts, reducing economic losses and improving safety; meanwhile, the overvoltage protection component plays a guiding role during the pressing process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the motor iron core mold with rapid demolding function.

[0028] Figure 2 It is a structure diagram of the rebound assembly in the embodiment.

[0029] Figure 3 is a schematic diagram for embodying the fixed seat structure in the embodiment.

[0030] Figure 4 is a schematic diagram for embodying the upper die structure in the embodiment.

[0031] In the figure, 1, base plate; 2, lower die; 21, die cavity; 22, positioning pin; 3, upper die; 31, positioning hole; 4, gasket; 41, groove; 42, fixed seat; 5, rebound assembly; 51, moving rod; 52, rotating plate; 53, elastic member; 54, connecting plate; 6, fixed frame; 7, hydraulic cylinder; 8, overpressure protection assembly; 81, sleeve; 82, rod; 9, flat top surface; 10, auxiliary spring. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 4 , the present application will be further described in detail.

[0033] A motor core mold capable of rapid demolding, referring to Figure 1 , Figure 4 , comprising a base plate 1 and a lower die 2 arranged on the base plate 1; the base plate 1 is provided with a plurality of overpressure protection assemblies 8, the overpressure protection assembly 8 comprises a sleeve 81 and a rod 82, the rod 82 is slidingly connected in the sleeve 81, the rod 82 is provided with a flat top surface 9 near one end of the upper die 3, the flat top surface 9 abuts against the upper die 3 after being pressed down, and the height of the rod 82 when sliding to the inner bottom surface of the sleeve 81 is just the lowest height of overpressure protection; the rod 82 is provided with an auxiliary spring 10, and the two ends of the auxiliary spring 10 are connected with the top surface of the sleeve 81 and the bottom surface of the flat top surface 9 respectively;

[0034] The base plate 1 is provided with a fixed frame 6, the fixed frame 6 is provided with a hydraulic cylinder 7 in an inverted manner, the upper die 3 is arranged at the output end of the hydraulic cylinder 7, and the upper die 3 is provided with a positioning hole 31.

[0035] Referring to Figure 1 , Figure 2 , Figure 3 , the lower die 2 is provided with a die cavity 21 and a plurality of positioning pins 22 corresponding to fixed holes, the gasket 4 made of hard rubber is slidingly arranged in the die cavity 21 in the vertical direction, a plurality of rebound assemblies 5 are arranged in the die cavity 21 to enable the gasket 4 to return to the original position after sliding, the horizontal height of the gasket 4 when stable is higher than the top surface of the lower die 2, which ensures that the core can be easily separated from the raw material even if the rebound does not pop out the core, and facilitates taking;

[0036] The side wall of the mold cavity 21 is provided with a through hole, the rebound assembly 5 includes a moving rod 51 sliding in the through hole, a rotating plate 52 hinged and rotatably connected to the moving rod 51 at the end close to the mold cavity 21, the other end of the rotating plate 52 is rotatably connected to the gasket 4, the bottom surface of the gasket 4 is provided with a groove 41, a fixing seat 42 is inserted and fixed in the groove 41, the fixing seat 42 is fixed and clamped by the material property of hard rubber material, the fixing seat 42 is provided with a hole, the fixing seat 42 is inserted into the rotating plate 52 at one end by a pin, so that the rotating plate 52 is rotatably connected to the fixing seat 42, the end of the moving rod 51 away from the mold cavity 21 is provided with an elastic member 53 to help the moving rod 51 return to the original position, the elastic member 53 is a spring, the end of the moving rod 51 away from the mold cavity 21 is provided with a connecting plate 54, and the two ends of the spring are respectively welded and fixed to the connecting plate 54 and the outer wall of the lower mold 2.

[0037] The implementation principle of the embodiment of the present application is:

[0038] In actual use, the raw material is placed on the gasket 4, the hydraulic cylinder 7 is started to press down the upper mold 3, the raw material is formed into a core under the stamping of the upper mold 3, the core moves to the mold cavity 21 with the gasket 4, the rotating plate 52 transmits the downward movement of the gasket 4 to the moving rod 51, the moving rod 51 moves to stretch the elastic member 53, after the stamping is completed, the upper mold 3 moves up, the elastic member 53 drives the gasket 4 to rebound, the gasket 4 rebounds out of the mold cavity 21, drives the core to rebound and completely separates from the raw material, simplifies the demolding process, is convenient to take, and improves the production efficiency of the core.

[0039] The embodiments of the specific embodiment are the preferred embodiments of the present application, not limited to the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A quick-release motor core mold, characterized in that: The system includes a base plate (1) and a lower mold (2) mounted on the base plate (1). An upper mold (3) is mounted above the lower mold (2). The lower mold (2) has a mold cavity (21). A washer (4) is slidably mounted in the mold cavity (21) along the vertical direction. Several spring-loaded components (5) are mounted in the mold cavity (21) to allow the washer (4) to slide and return to its original position. The spring-loaded components (5) include a moving rod (51) that penetrates the side wall of the lower mold (2) and slides therein, and a rotating plate (52) that is rotatably connected to one end of the moving rod (51) in the mold cavity (21). The end of the rotating plate (52) away from the moving rod (51) is rotatably connected to the washer (4). An elastic element (53) is mounted at the end of the moving rod (51) away from the mold cavity (21) to drive the moving rod (51) to slide inward toward the inside of the mold cavity (21). The height of the washer (4) when it moves to its highest position is higher than the top surface of the lower mold (2).

2. The motor core mold with quick demolding capability according to claim 1, characterized in that: The washer (4) is made of hard rubber.

3. The motor core mold with quick demolding capability according to claim 2, characterized in that: The bottom surface of the washer (4) is provided with a groove (41), and a fixing seat (42) is inserted and fixed in the groove (41). The fixing seat (42) is connected to one end of the rotating plate (52) by a pin, so that the rotating plate (52) and the fixing seat (42) are rotatably connected.

4. The motor core mold with quick demolding capability according to claim 1, characterized in that: The elastic element (53) is a spring, and a connecting plate (54) is provided at the end of the moving rod (51) away from the mold cavity (21). The two ends of the elastic element (53) are respectively connected to the connecting plate (54) and the outer wall of the lower mold (2).

5. A motor core mold for quick demolding according to claim 1, characterized in that: A fixing frame (6) is provided on the base plate (1), and a hydraulic cylinder (7) is invertedly provided on the fixing frame (6). The upper mold (3) is located at the output end of the hydraulic cylinder (7).

6. The motor core mold with quick demolding capability according to claim 1, characterized in that: The lower mold (2) is provided with a plurality of positioning pins (22), and the upper mold (3) is provided with a plurality of positioning holes (31).

7. The motor core mold with quick demolding capability according to claim 1, characterized in that: The base plate (1) is provided with several overpressure protection components (8). The overpressure protection components (8) include a sleeve (81) and a rod (82). The rod (82) is slidably connected in the sleeve (81). The end of the rod (82) near the upper mold (3) is provided with a flat top surface (9). The flat top surface (9) abuts against the upper mold (3) after it is pressed down.

8. A motor core mold for quick demolding according to claim 7, characterized in that: The rod (82) is fitted with an auxiliary spring (10), and the two ends of the auxiliary spring (10) are respectively connected to the top surface of the sleeve (81) and the bottom surface of the flat top surface (9).

Images