A stamping die for self-bonding amorphous material

Abstract

The utility model discloses a kind of stamping die of self-bonding amorphous material, it includes the upper die and lower die of being suitable, the upper die includes male die and stripper plate, the lower die is equipped with the female die of being suitable with the male die, the male die can be close to or away from the female die to stamping amorphous material and form amorphous wafer, the blade edge of the male die and / or the female die is treated by titanium plating. The blade edge of male die and / or female die is treated by titanium plating to delay the wear rate of the blade edge of male die and female die, and then prolong the service life of stamping die, realize mass production.

Description

Technical Field

[0001] This utility model relates to the field of stamping amorphous materials, and in particular to a stamping die for self-adhesive amorphous materials. Background Technology

[0002] The stator core is a critical component of an electric motor, and its performance directly affects the motor's efficiency and overall performance. Commonly used stator cores include silicon steel sheet stator cores, neodymium iron boron magnet stator cores, and amorphous stator cores. These are typically made of stacked metal sheets and feature uniformly distributed slots for housing the stator windings. Among these, amorphous stator cores, with their low loss, high stability, and good heat resistance, are suitable for high-precision applications.

[0003] Although the amorphous materials used to prepare amorphous stator cores have excellent performance, their high hardness, with hardness values ​​reaching around HV800-1200, causes the cutting edges of the punches and dies in stamping dies to wear out quickly, resulting in a very short service life and making it impossible to achieve mass production. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this utility model proposes a stamping die made of self-adhesive amorphous material to delay the wear of the punch and die, extend the service life of the stamping die, and enable mass production.

[0005] This utility model is achieved through the following technical solution: a stamping die for self-adhesive amorphous materials, which includes an upper die and a lower die that are adapted to each other. The upper die includes a punch and a stripper plate. The lower die is provided with a die that is adapted to the punch. The punch can be close to or away from the die to stamp the amorphous material to form amorphous sheets. The cutting edges of the punch and / or the die are treated with titanium plating.

[0006] Furthermore, the lower mold is provided with a support platform, and the support platform is provided with a limiting seat, forming a limiting space between the limiting seat and the support platform to limit the transmission of amorphous material.

[0007] Furthermore, the stamping die also includes a powder treatment device for preventing the accumulation of amorphous powder generated when the punch punches out amorphous sheets.

[0008] Furthermore, the powder processing device includes a first air blowing device, which is disposed on the unloading plate and has its air blowing port facing the punch, for blowing away the amorphous powder on the punch.

[0009] Furthermore, the powder processing device includes a second air blowing device, which is disposed on the lower mold and its air blowing port faces the concave mold, for blowing away the amorphous powder on the concave mold.

[0010] Furthermore, the stripper plate is also provided with a limiting strip, which is provided on the stripper plate and moves up and down with the stripper plate. It is used to prevent the stripper plate from contacting the amorphous material when the punch is stamping the amorphous material.

[0011] Furthermore, the lower end of the limiting strip is located below the lower end of the unloading plate.

[0012] Furthermore, the height H of the limiting strip located below the lower end of the unloading plate is greater than the thickness D of the amorphous ribbon.

[0013] Furthermore, 0.1mm≤HD≤0.2mm.

[0014] Furthermore, the upper die is also provided with several stamping mechanisms, each stamping mechanism including at least one stamping punch. The lower die is provided with a blanking channel, which corresponds one-to-one with the stamping punch. The stamping punch moves up and down with the upper die, approaching or moving away from the lower die, and is used to punch holes in amorphous materials. The blanking channel is used to collect the punching waste material punched by the stamping punch during punching.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. Titanium plating is applied to the cutting edges of the punch and / or die to slow down the wear rate of the cutting edges of the punch and die, thereby extending the service life of the stamping die and realizing mass production; 2. The powder treatment device prevents the accumulation of amorphous powder generated during the punching of amorphous blanks, and prevents the amorphous blanks from being damaged by amorphous powder during punching; 3. The setting of the limiting strip prevents the stripper plate from contacting the amorphous material during the punching of amorphous blanks, thereby preventing the amorphous blanks from being damaged by the stripper plate during punching. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the stamping die for the self-adhesive amorphous material of this utility model.

[0017] Figure 2 yes Figure 1 A side view of AA after it has been cut open, along the direction of amorphous material transport.

[0018] Figure 3 yes Figure 2 A magnified view of part B in the diagram.

[0019] Figure 4 This is a schematic diagram of an amorphous lamination used to prepare stator cores. Detailed Implementation

[0020] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] 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.

[0022] Please see Figures 1 to 3 As shown, a stamping die 100 for self-bonding amorphous materials is used to stamp amorphous laminations 200, which can be used to prepare stator cores. Please refer to [link to relevant documentation]. Figure 4 As shown, a central hole 210 and several slots 220 distributed on the outer periphery of the central hole 210 are prepared on the amorphous lamination 200. Then, several amorphous laminations 200 are stacked, bonded and cured to form a stator core. The method of preparing the stator core from the amorphous laminations 200 is the same as the existing technology and will not be described in detail here.

[0023] Please see Figures 1 to 3 As shown, the stamping die 100 includes a matching upper die 110 and a lower die 120. The upper die 110 is located above the lower die 120 and can move vertically closer to or away from the lower die 120. The upper die 110 includes a punch 111, a stripper plate 112, and several stamping mechanisms. The several stamping mechanisms and the punch 111 are distributed sequentially along the transport direction of the amorphous material. Each stamping mechanism includes at least one stamping punch 113. The cooperation between the punch 111, the stamping punch 113, and the stripper plate 112 is the same as in the prior art and will not be described in detail here.

[0024] The lower mold 120 is provided with a support platform 121, and the support platform 121 is provided with a limiting seat 122. Both the limiting seat 122 and the support platform 121 extend along the transport direction of the amorphous material. A limiting space 123 is formed between the limiting seat 122 and the support platform 121 to limit the transport of the amorphous material. The amorphous material is inserted into the limiting space 123. The limiting seat 122 includes a pair of inverted L-shaped limiting blocks 124. The pair of limiting blocks 124 are arranged opposite to each other and extend along the transport direction of the amorphous material. A channel 125 is formed between the pair of limiting blocks 124 and communicates with the limiting space 123. Part of the unloading plate 112 can pass through the channel 125 and enter the limiting space 123. The limiting seats 122 are preferably a pair, and the pair of limiting seats 122 are respectively located at both ends of the support platform 121.

[0025] The support platform 121 is provided with several blanking channels 126 and a die 127. The blanking channels 126 correspond one-to-one with the stamping punches 113. The stamping punches 113 move up and down with the upper die 110 to approach or move away from the lower die 120, and are used to punch holes in the amorphous material, thereby punching the center hole 210 and slot hole 220 on the amorphous sheet 200. The blanking channels 126 are used to collect the punching waste generated during punching. The die 127 corresponds to and is adapted to the punch 111. The die 127 is provided with a receiving device 130 connected to the concave hole 128 below it. The punch 111 can approach or move away from the die 127 to punch the amorphous material to form the amorphous sheet 200. The amorphous sheet 200 falls into the receiving device 130 for stacking and to prepare the iron core.

[0026] The material feeding channel 126 and the die 127 are located between a pair of limiting seats 122, and the material feeding channel 126 and the die 127 are distributed sequentially along the transport direction of the amorphous material.

[0027] The number and shape of the stamping punches 113 and blanking channels 126, as well as the shape of the die, can be customized according to the requirements of the iron core. For example, in this embodiment, there are three sets of stamping punches 113 and blanking channels 126. The middle stamping punch 113 is used to punch the center hole 210. There is only one stamping punch 113. The stamping punches 113 on both sides are used to punch the slots 220 at different positions. Please refer to... Figure 1 , 4 As shown.

[0028] In this embodiment, the cutting edges of one or more of the stamping punch 113, blanking channel 126, punch 111, and die 127 are titanium-plated. This titanium plating process delays wear on the cutting edges of the punch 111, die 127, stamping punch 113, and blanking channel 126, extending the service life of the stamping die 100 and enabling mass production.

[0029] The stamping die 100 also includes a powder treatment device to prevent the accumulation of amorphous powder generated when the punch 111 punches the amorphous sheet 200. Specifically, the powder treatment device includes a first air blowing device 140 and a second air blowing device 150. The first air blowing device 140 is mounted on the stripper plate 112 with its air outlet facing the punch 111, and is used to blow away the amorphous powder on the punch 111. The second air blowing device 150 is mounted on the lower die 120 with its air outlet facing the die 127, and is used to blow away the amorphous powder on the die 127. This arrangement allows the amorphous powder generated during the punching of the amorphous sheet 200 to be blown away, preventing the amorphous powder from contacting the amorphous sheet and causing damage during punching. Of course, a first air blowing device and a second air blowing device 150 can also be set on both sides of the stamping mechanism to blow away the amorphous powder on the stamping punch 113 and the material feeding channel 126.

[0030] The stripper plate 112 is provided with a limiting strip 114. The limiting strip 114 is provided on the stripper plate 112 and moves up and down with the stripper plate 112. It is used to prevent the stripper plate 112 from contacting the amorphous material when the punch 111 is stamping the amorphous material. Specifically, the limiting strip 114 is opposite to the support platform 121 and is located outside the punch and die, that is, the limiting strip 114 is located directly above the support platform 121 and offset from the die 127. The lower end of the limiting strip 114 is located below the lower end of the stripper plate 112. The height H of the limiting strip 114 below the lower end of the stripper plate 112 is greater than the thickness D of the amorphous strip, preferably 0.1mm≤HD≤0.2mm. With this setting, when the punch 111 punches out the amorphous sheet 200, the limiting strip 114 moves downward and contacts the support platform 121 before the stripper plate 112, so that the stripper plate 112 does not contact the amorphous material and avoids damage to the amorphous material caused by the stripper plate 112.

[0031] Amorphous materials are generally selected primarily as strips. The amorphous material is transported along the limiting space 123 via a feeding mechanism or a combination of a feeding mechanism and a traction mechanism. The transport method of the amorphous material is the same as existing technology and will not be elaborated further here. During transport, the amorphous material is slightly higher than the upper surface of the support platform 121. Under the action of the stamping punch 113 and the die 111, the amorphous material moves towards the upper surface of the support platform 121 and abuts against it, thus achieving stamping. After stamping, both the die 111 and the stamping punch 113 move upwards, and the amorphous material returns to its initial transport state. First, the stamping punch 113 punches out the center hole 210 and the slot hole 220, and then the die 111 stamps to form a complete amorphous sheet 200. The amorphous sheet 200 falls into the receiving device 130 for stacking and solidification to obtain the stator core.

[0032] By stamping self-bonding amorphous materials with this stamping die, it is possible to mass-produce amorphous iron cores from self-bonding amorphous materials.

[0033] This utility model has been described through several specific embodiments. Those skilled in the art should understand that various modifications and equivalent substitutions can be made to this utility model without departing from its scope. Furthermore, various modifications can be made to this utility model for specific situations or circumstances without departing from its scope. Therefore, this utility model is not limited to the specific embodiments disclosed, but should include all embodiments falling within the scope of the claims of this utility model.

Claims

1. A stamping die for self-bonding amorphous materials, comprising a matching upper die and a lower die, the upper die including a punch and a stripper plate, the lower die having a die matching the punch, the punch being able to approach or move away from the die to stamp the amorphous material to form amorphous sheets, characterized in that, The cutting edges of the punch and / or the die are titanium-plated.

2. The stamping die for self-adhesive amorphous materials according to claim 1, characterized in that, The lower mold is provided with a support platform, and the support platform is provided with a limiting seat. The limiting seat and the support platform form a limiting space that limits the transmission of amorphous material.

3. The stamping die for self-adhesive amorphous materials according to claim 1, characterized in that, It also includes a powder treatment device for preventing the accumulation of amorphous powder generated when the punch punches amorphous sheets.

4. The stamping die for self-adhesive amorphous materials according to claim 3, characterized in that, The powder processing device includes a first air blowing device, which is disposed on the unloading plate and has its air blowing port facing the punch, for blowing away the amorphous powder on the punch.

5. The stamping die for self-adhesive amorphous materials according to claim 3, characterized in that, The powder processing device includes a second air blowing device, which is disposed on the lower mold and its air blowing port faces the concave mold, for blowing away the amorphous powder on the concave mold.

6. The stamping die for self-adhesive amorphous materials according to claim 1, characterized in that, The stripper plate is also provided with a limiting strip, which is provided on the stripper plate and moves up and down with the stripper plate. It is used to prevent the stripper plate from contacting the amorphous material when the punch is stamping the amorphous material.

7. The stamping die for self-adhesive amorphous materials according to claim 6, characterized in that, The lower end of the limiting strip is located below the lower end of the unloading plate.

8. The stamping die for self-adhesive amorphous materials according to claim 7, characterized in that, The height H of the limiting strip located below the lower end of the unloading plate is greater than the thickness D of the amorphous ribbon.

9. The stamping die for self-adhesive amorphous materials according to claim 8, characterized in that, 0.1mm≤HD≤0.2mm.

10. The stamping die for self-adhesive amorphous materials according to claim 1, characterized in that, The upper die is also provided with several stamping mechanisms, each stamping mechanism including at least one stamping punch. The lower die is provided with a blanking channel, which corresponds one-to-one with the stamping punch. The stamping punch moves up and down with the upper die, approaching or moving away from the lower die, and is used to punch holes in amorphous materials. The blanking channel is used to collect the punching waste material punched by the stamping punch during punching.

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