Resistor stamping die

Abstract

The utility model discloses a resistor stamping die which comprises an upper stamping die fixed at the upper end of stamping equipment and used for pressing up and down and a lower die base fixed on a base below the stamping equipment, a bearing sliding table capable of sliding back and forth is arranged on the lower die base, and a side stamping sliding table capable of sliding back and forth is erected on the middle section of the bearing sliding table. A left pushing and pressing face and a right pushing and pressing face are arranged on the two sides of a boss at the bottom of the upper stamping die, when the upper stamping die is pressed downwards, the left pushing and pressing face abuts against the left pushing butt joint face of the side stamping sliding table, the right pushing and pressing face abuts against the right pushing butt joint face of the bearing sliding table, the front end reset spring and the rear end reset spring are compressed, and inward-turning C-shaped stamping and bending of the L-shaped edge of the resistance plate are completed. And after the upper stamping die ascends, the front-end reset spring and the rear-end reset spring are released, and automatic material returning of the stamping die is completed.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a resistor stamping die. Background Art

[0002] A resistor stamping die is a die used to manufacture resistors or other electronic components. It is usually made of metal material and has precise geometric shapes and sizes. During the manufacturing process, the resistor stamping die is used to stamp out the shape and size of resistors or other electronic components from the raw materials. When the L-shaped edge of the bottom of the resistor needs to be stamped into an inward-turned C-shaped edge, the inward-turned C-shaped edge of the resistor will be buckled on the die after the stamping is completed. It is necessary to manually reach into the pressing area to assist in demolding the resistor. The demolding efficiency is low, and there is a certain risk of crushing injuries when demolding. Utility Model Content

[0003] The purpose of the utility model is to solve any one of the problems in the above-mentioned technologies, thereby providing a resistor stamping die.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a resistor stamping die, comprising a stamping upper die fixed on the upper end of the stamping equipment for pressing up and down and a lower die base fixed on the base below the stamping equipment, the lower die base, a bearing slide that can slide forward and backward is arranged on the lower die base, a side punch slide that can slide forward and backward is arranged in the middle section of the bearing slide, and a left pushing surface and a right pushing surface are arranged on both sides of the bottom boss of the stamping upper die. When the stamping upper die is pressed down, the left pushing surface abuts against the left pushing docking surface of the side punch slide, and the right pushing surface abuts against the right pushing docking surface of the bearing slide, and the front end return spring and the rear end return spring are compressed to complete the inward C-shaped stamping bending of the L-shaped edge of the resistor plate. After the stamping upper die rises, the front end return spring and the rear end return spring are released to complete the automatic material withdrawal of the stamping die.

[0005] Furthermore, a square boss is provided on the bottom surface of the stamping upper die, a left pushing surface inclined to the right is provided on the left bottom of the square boss of the stamping upper die, and a right pushing surface inclined to the left is provided on the right bottom of the square boss of the stamping upper die, and the lower die seat is located directly below the stamping upper die.

[0006] Furthermore, the lower die base is a U-shaped seat body, and a sunken step-shaped limit opening is provided in the center of the top of the left step of the lower die base, and circular groove-shaped first front spring openings are provided on both sides of the bottom of the inner wall of the left step of the lower die base. Three T-stage tracks distributed in front, middle and rear are provided on the upper surface of the bottom of the lower die base, and a limiting platform is provided on the right side of the T-stage tracks distributed in front and back, and a first rear spring opening in the shape of a circular groove is provided in the center of the top inner wall of the right step of the lower die base. The load-bearing slide is slidingly embedded in the center T-stage track, and the side punch slide is slidingly embedded in the front and back T-stage tracks.

[0007] Furthermore, the bearing slide is a G-shaped seat body, a sunken step-shaped positioning opening is arranged at the top left side of the bearing slide, a right-push docking surface inclined to the right is arranged at the top right side of the bearing slide, the right-push docking surface is higher than the positioning opening, a second rear spring opening in the shape of a circular groove is arranged at the center of the right side surface of the bearing slide, a T-shaped groove-shaped middle slide rail groove is arranged at the center of the bottom of the bearing slide, and the side punch slide is arranged to slide left and right in the middle section of the bearing slide.

[0008] Furthermore, the side punch slide is a rectangular block with a through rectangular notch at the left top end, a through rectangular notch at the center of the bottom of the left side, a left push docking surface inclined to the left is provided at the top of the right side of the side punch slide, T-shaped cylindrical notch-shaped floating countersunk holes are provided on both sides of the vertical end face of the notch at the top left side of the side punch slide, the pre-pressure block is slidably embedded in the floating countersunk holes, a fixed opening with raised clamps on both sides is provided at the center of the horizontal end face of the notch at the top left side of the side punch slide, the side punch block is embedded and fixed in the fixed opening, a second front spring opening in the shape of a circular notch is provided in the middle section of both sides of the left side of the side punch slide, and T-shaped notch-shaped side slide rail grooves are provided at the bottom of both sides of the left side of the side punch slide.

[0009] Furthermore, the main body of the pre-pressing block is a rectangular parallelepiped, and T-shaped round rod-shaped floating rods are arranged on both sides of the right side of the pre-pressing block. The floating rods slide left and right and penetrate into the floating countersunk holes of the side punch slide.

[0010] Furthermore, a pre-stress spring is sleeved on the floating rod between the pre-stress block and the side punch slide, a front end return spring is arranged between the second front spring opening of the side punch slide and the first front spring opening of the lower die seat, and a rear end return spring is arranged between the second rear spring opening of the load-bearing slide and the first rear spring opening of the lower die seat.

[0011] The beneficial effect of the utility model is that when the stamping upper die is pressed down, the left pushing surface abuts against the left pushing docking surface of the side punch slide, and the right pushing surface abuts against the right pushing docking surface of the load-bearing slide, the front end return spring and the rear end return spring are compressed, and the inward-turned C-shaped stamping bending of the L-shaped edge of the resistor plate is completed. After the stamping upper die rises, the front end return spring and the rear end return spring are released, and the resistor plate is automatically withdrawn while stamping by directly lifting and lowering the stamping die. There is no need for personnel to manually reach into the pressing area to demould and withdraw the material from the inward-turned C-shaped bending area, which effectively avoids the risk of personnel being crushed and improves the withdrawal efficiency and stamping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall material return state of the utility model;

[0013] Figure 2 It is a schematic diagram of the stamping state of the utility model as a whole;

[0014] Figure 3 It is a cross-sectional view of the entire utility model in a stamping state;

[0015] Figure 4 It is a structural schematic diagram of the punching upper die of the utility model;

[0016] Figure 5 The structure diagram of the lower die seat of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 6 The structure diagram of the lower die seat of the utility model is shown in FIG. Figure 2 ;

[0018] Figure 7 This is a structural schematic diagram of the load-bearing slide of the utility model;

[0019] Figure 8 This is a schematic diagram of the structure of the side-punch slide of the utility model;

[0020] Fig. 9 It is a structural schematic diagram of the pre-pressing block of the utility model.

[0021] exist Figures 1 to 9 , the correspondence between the component names or lines and the figure numbers is: stamping upper die 1, left pushing surface 11, right pushing surface 12, lower die base 2, limit opening 21, first front spring opening 22, T-stage track 23, limit platform 24, first rear spring opening 25, load-bearing slide 3, positioning opening 31, right push docking surface 32, second rear spring opening 33, middle slide rail groove 34, side punch slide 4, left push docking surface 41, floating countersunk hole 42, fixed opening 43, second front spring opening 44, side slide rail groove 45, pre-compression block 5, floating rod 51, side punch block 6, pre-compression spring 7, front end return spring 8, rear end return spring 9. DETAILED DESCRIPTION

[0022] Please refer to Figures 1 to 9 ;

[0023] The present embodiment provides a resistor stamping die, comprising a stamping upper die 1 fixed on the upper end of the stamping equipment for pressing up and down and a lower die base 2 fixed on the base below the stamping equipment, the lower die base 2, a bearing slide 3 that can slide forward and backward is arranged on the lower die base 2, a side punch slide 4 that can slide forward and backward is mounted in the middle section of the bearing slide 3, and a left pushing surface 11 and a right pushing surface 12 are arranged on both sides of the bottom boss of the stamping upper die 1. When the stamping upper die 1 is pressed down, the left pushing surface 11 abuts against the left pushing docking surface 41 of the side punch slide 4, and the right pushing surface 12 abuts against the right pushing docking surface 32 of the bearing slide 3, the front end return spring 8 and the rear end return spring 9 are compressed, and the inward C-shaped stamping bending of the L-shaped edge of the resistor plate is completed. After the stamping upper die 1 rises, the front end return spring 8 and the rear end return spring 9 are released, and the automatic material withdrawal of the stamping die is completed.

[0024] Preferably, a square boss is provided on the bottom surface of the stamping upper die 1, a left pushing surface 11 inclined to the right is provided on the left bottom of the square boss of the stamping upper die 1, a right pushing surface 12 inclined to the left is provided on the right bottom of the square boss of the stamping upper die 1, and the lower die base 2 is located directly below the stamping upper die 1.

[0025] In a specific embodiment, the stamping upper die 1 is made of high carbon steel quenched, and the surface of the stamping upper die 1 is electroplated with a thickened hard chromium coating, which prevents rust and improves its surface smoothness, thereby improving its stamping performance.

[0026] Preferably, the lower die base 2 is a U-shaped base body, a sunken step-shaped limit opening 21 is provided in the center of the top of the left step of the lower die base 2, and circular groove-shaped first front spring openings 22 are provided on both sides of the bottom of the inner wall of the left step of the lower die base 2. Three T-stage rails 23 distributed front, middle and rear are provided on the upper surface of the bottom of the lower die base 2, and a limiting platform 24 is provided on the right side of the T-stage rails 23 distributed front and back. A first rear spring opening 25 with a circular groove is provided in the center of the top of the inner wall of the right step of the lower die base 2, the load-bearing slide 3 is slidably embedded in the center of the T-stage rail 23, and the side punch slide 4 is slidably embedded in the T-stage rails 23 distributed front and back.

[0027] In a specific embodiment, the lower die base 2 is made of high carbon steel quenching treatment, and the surface of the T-stage track 23 of the lower die base 2 is sprayed with Teflon coating. The Teflon coating has oily high lubricity and effectively reduces the sliding friction of the load-bearing slide 3 and the side punch slide 4.

[0028] Preferably, the bearing slide 3 is a G-shaped seat body, a sunken step-shaped positioning opening 31 is provided at the top left side of the bearing slide 3, a right push docking surface 32 inclined to the right is provided at the top right side of the bearing slide 3, the right push docking surface 32 is higher than the positioning opening 31, a second rear spring opening 33 in the shape of a circular groove is provided at the center of the right side surface of the bearing slide 3, a T-shaped groove shaped middle slide rail groove 34 is provided at the center of the bottom of the bearing slide 3, and the side punch slide 4 is slidably mounted on the middle section of the bearing slide 3.

[0029] In a specific embodiment, the right push docking surface 32 of the bearing slide 3 is higher than the positioning port 31. When the stamping upper die 1 is pressed down, the right push surface 12 first docks with the right push docking surface 32. When the stamping upper die 1 is pressed down, it pushes the bearing slide 3 to slide to the right a certain distance.

[0030] Preferably, the side punch slide 4 is a rectangular block with a through rectangular notch on the left top end, a through rectangular notch on the center of the bottom of the left side, a left push docking surface 41 inclined to the left is provided at the top of the right side of the side punch slide 4, and floating countersunk holes 42 in the shape of T-shaped cylindrical notches are provided on both sides of the vertical end face of the notch on the left top end of the side punch slide 4, and the pre-pressure block 5 is slidably embedded in the floating countersunk holes 42, and a fixed opening 43 with raised clamps on both sides is provided in the center of the horizontal end face of the notch on the left top end of the side punch slide 4, and the side punch block 6 is embedded and fixed in the fixed opening 43, and a second front spring opening 44 in the shape of a circular notch is provided in the middle section of both sides of the left side of the side punch slide 4, and a side slide rail groove 45 in the shape of a T-shaped notch is provided at the bottom of both sides of the left side of the side punch slide 4.

[0031] In a specific embodiment, when the stamping upper die 1 is pressed downward, the left pushing surface 11 first docks with the left pushing docking surface 41 of the side punch slide 4, and the stamping upper die 1 is pressed downward while pushing the side punch slide 4 to slide to the left for a certain distance.

[0032] Preferably, the main body of the pre-pressing block 5 is a rectangular parallelepiped, and T-shaped round rod-shaped floating rods 51 are arranged on both sides of the right side of the pre-pressing block 5. The floating rods 51 slide left and right and penetrate into the floating countersunk holes 42 of the side punch slide 4.

[0033] Preferably, a pre-stress spring 7 is sleeved on the floating rod 51 between the pre-stress block 5 and the side punch slide 4, a front end return spring 8 is arranged between the second front spring opening 44 of the side punch slide 4 and the first front spring opening 22 of the lower die base 2, and a rear end return spring 9 is arranged between the second rear spring opening 33 of the supporting slide 3 and the first rear spring opening 25 of the lower die base 2.

[0034] When the utility model is in use, when the stamping upper die 1 is pressed down, the right pushing surface 12 abuts against the right pushing docking surface 32 of the bearing slide 3, the bearing slide 3 slides to the right for a certain distance, and the left pushing surface 11 abuts against the left pushing docking surface 41 of the side punch slide 4, the side punch slide 4 slides to the left for a certain distance, and the front end return spring 8 and the rear end return spring 9 are compressed. When the side punch slide 4 slides to the left, the pre-pressure block 5 first pre-pressures the L-shaped edge side of the resistor plate, and at the same time, the side punch block 6 completes the inward C-shaped stamping bending of the L-shaped edge of the resistor plate to the left. After the stamping upper die 1 rises, the front end return spring 8 and the rear end return spring 9 are released, the side punch slide 4 retreats to the right, and the bearing slide 3 retreats to the left, and is separated from the C-shaped inward bending area of ​​the resistor plate, completing the automatic material return of the stamping die.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A resistor stamping die, comprising a stamping upper die (1) fixed to the upper end of a stamping device for pressing up and down, and a lower die base (2) fixed to the base below the stamping device, the lower die base (2), a bearing slide (3) that can slide forward and backward is arranged on the lower die base (2), and a side punch slide (4) that can slide forward and backward is arranged in the middle section of the bearing slide (3), characterized in that: A left pushing surface (11) and a right pushing surface (12) are arranged on both sides of the bottom boss of the stamping upper die (1). When the stamping upper die (1) is pressed downward, the left pushing surface (11) abuts against the left pushing docking surface (41) of the side punch slide (4), and the right pushing surface (12) abuts against the right pushing docking surface (32) of the bearing slide (3). The front end return spring (8) and the rear end return spring (9) are compressed, and the inward C-shaped stamping bending of the L-shaped edge of the resistor plate is completed. After the stamping upper die (1) rises, the front end return spring (8) and the rear end return spring (9) are released, and the automatic material removal of the stamping die is completed.

2. The resistor stamping die according to claim 1, characterized in that: The bottom surface of the stamping upper die (1) is provided with a square boss, the left bottom of the square boss of the stamping upper die (1) is provided with a left pushing surface (11) inclined to the right, and the right bottom of the square boss of the stamping upper die (1) is provided with a right pushing surface (12) inclined to the left. The lower die seat (2) is located directly below the stamping upper die (1).

3. The resistor stamping die according to claim 2, characterized in that: The lower die base (2) is a U-shaped base body, a sunken step-shaped limiting opening (21) is arranged at the center of the top of the left step of the lower die base (2), a circular notch-shaped first front spring opening (22) is arranged on both sides of the bottom of the inner wall of the left step of the lower die base (2), three T-stage rails (23) distributed in the front, middle and rear are arranged on the upper surface of the bottom of the lower die base (2), a limiting platform (24) is arranged on the right side of the T-stage rails (23) distributed in the front and rear, a circular notch-shaped first rear spring opening (25) is arranged at the center of the top of the inner wall of the right step of the lower die base (2), the bearing slide (3) is slidably embedded on the central T-stage rail (23), and the side punch slide (4) is slidably embedded on the T-stage rails (23) distributed in the front and rear.

4. The resistor stamping die according to claim 3, characterized in that: The bearing slide (3) is a G-shaped seat body, a sunken step-shaped positioning opening (31) is arranged on the top of the left side of the bearing slide (3), a right push docking surface (32) inclined to the right is arranged on the top of the right side of the bearing slide (3), the right push docking surface (32) is higher than the positioning opening (31), a second rear spring opening (33) in the shape of a circular notch is arranged at the center of the right side surface of the bearing slide (3), a T-shaped notch-shaped middle slide rail groove (34) is arranged at the center of the bottom of the bearing slide (3), and the side punch slide (4) is slidably mounted on the middle section of the bearing slide (3) to the left and right.

5. The resistor stamping die according to claim 4, characterized in that: The side punch slide (4) is a rectangular block having a through rectangular notch at the left top end and a through rectangular notch at the center of the left bottom end. A left push docking surface (41) inclined to the left is provided at the right top end of the side punch slide (4). T-shaped cylindrical notch-shaped floating countersunk holes (42) are provided on both sides of the vertical end face of the left top notch of the side punch slide (4). The pre-pressing block (5) is slidably embedded in the floating countersunk holes (42). A fixing hole (43) with raised clamping platforms on both sides is provided at the center of the horizontal end face of the left top notch of the side punch slide (4). The side punch block (6) is embedded and fixed in the fixing hole (43). A second front spring hole (44) in the shape of a circular notch is provided in the middle section of both sides of the left side of the side punch slide (4). T-shaped notch-shaped side slide rail grooves (45) are provided at the bottom of both sides of the left side of the side punch slide (4).

6. The resistor stamping die according to claim 5, characterized in that: The main body of the pre-pressing block (5) is a rectangular parallelepiped. T-shaped round rod-shaped floating rods (51) are arranged on both sides of the right side of the pre-pressing block (5). The floating rods (51) slide left and right and penetrate into the floating countersunk holes (42) of the side punch slide table (4).

7. The resistor stamping die according to claim 6, characterized in that: A pre-compression spring (7) is sleeved on the floating rod (51) between the pre-compression block (5) and the side punch slide (4), a front end return spring (8) is arranged between the second front spring opening (44) of the side punch slide (4) and the first front spring opening (22) of the lower die seat (2), and a rear end return spring (9) is arranged between the second rear spring opening (33) of the bearing slide (3) and the first rear spring opening (25) of the lower die seat (2).

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