Stamping die with stamping die head quick-changing structure

Abstract

The utility model provides a stamping die with a stamping die head quick-change structure, which is suitable for the technical field of stamping dies, and adopts the scheme that the stamping die comprises an upper die main body, a lower die main body, a die head main body and a limiting plate, a lower die body is arranged below the upper die body, a die head body is fixedly installed in the upper die body, a limiting plate is fixedly installed on the upper surface of the lower die body, and a stamping part of the die head body is slidably connected with the circular inner wall of the limiting plate in a penetrating mode. According to the stamping die, the extrusion mechanism and the buckle mechanism are installed, the die head body damaged through stamping machining is replaced, the convenience of the stamping die is improved, meanwhile, the lower die body and the limiting plate can be assembled, and stamping protection can be conducted on the die head body; the utility model is also applicable to the field of stamping dies.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a stamping die with a stamping die head quick-change structure. Background Art

[0002] When processing metal parts, a stamping die is used to stamp the metal plate. The metal plate is moved above the stamping lower die, and the cylinder drives the stamping upper die to move downward. The die head stamps the metal plate. After long-term use, the die head part of the stamping upper die is affected by the pressure generated by the stamping, which can easily cause wear or cracks on the die head part of the stamping upper die, resulting in breakage of the die head part of the stamping upper die, reducing the service life of the die head part of the stamping upper die.

[0003] Therefore, it is necessary to provide a new stamping die with a stamping die head quick-change structure to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a stamping die with a stamping die head quick-change structure.

[0005] The utility model provides a stamping die with a stamping die head quick-change structure, comprising: an upper die body, a lower die body, a die head body and a limit plate, wherein a lower die body is arranged below the upper die body, a die head body is fixedly installed inside the upper die body, a limit plate is fixedly installed on the upper surface of the lower die body, and a stamping part of the die head body is slidably connected with a circular inner wall of the limit plate; an extrusion mechanism and a buckle mechanism, an extrusion mechanism is fixedly installed on the lower surface of the upper die body, the die head body is firmly connected with the upper die body through the rotation of the extrusion mechanism, the buckle mechanism is symmetrically fixedly installed on the upper surface of the lower die body, the limit plate and the lower die body are assembled by pressing the buckle mechanism, the limit plate and the lower die body are quickly assembled by the buckle mechanism, the metal plate is moved to the upper surface of the limit plate, the extrusion mechanism fixes the upper die body and the die head body, the cylinder drives the upper die body to move downward, the die head body punches the metal plate, and after the die head body is damaged, the extrusion mechanism is convenient for replacing the die head body, thereby extending the service life of the stamping die.

[0006] Preferably, the extrusion mechanism includes a first extrusion seat, a second extrusion seat, a limiting groove, a rotating screw rod, a linkage plate and a linkage wheel, the lower surface of the upper mold body is symmetrically fixedly connected with the first extrusion seat and the second extrusion seat, and the first extrusion seat and the second extrusion seat are located at the left and right sides of the mold head body, and the front and rear sides of the mold head body are provided with limiting grooves, the inner walls of the two sides of the first extrusion seat are symmetrically rotatably connected with the rotating screw rod, and the rotating screw rod is connected with the inner wall of the second extrusion seat, and a linkage plate is provided on the side of the second extrusion seat away from the first extrusion seat, and the inner wall of the linkage plate is symmetrically rotatably connected with the linkage wheel, and the circular inner wall of the linkage wheel is meshed with the threaded surface of the rotating screw rod, the mold head body is placed into the interior of the upper mold body, the rotating screw rod inside the first extrusion seat is rotated, the rotating screw rod passes through the limiting groove and enters the interior of the second extrusion seat, the linkage wheel on the circular inner wall of the linkage plate is rotated, the linkage wheel is tightly attached to the side of the second extrusion seat away from the first extrusion seat, the mold head body and the upper mold body are firmly connected, the linkage wheel is rotated in the opposite direction, the linkage wheel and the rotating screw rod are separated, so that the mold head body is convenient to remove for replacement.

[0007] Preferably, semicircular grooves are equidistantly provided on the side of the linkage wheel, which increases the friction force on the side of the linkage wheel, facilitates stable grasping of the linkage wheel for rotation, and prevents the side of the linkage wheel from being too smooth, which affects the normal rotation of the linkage wheel.

[0008] Preferably, the buckle mechanism comprises a buckle rod, a buckle seat, a buckle slide, a rectangular groove, a buckle block and a return spring, the upper surface of the lower mold body is symmetrically fixedly connected with the buckle rod, the buckle seat is symmetrically fixedly connected with the buckle seat on both sides of the limit plate, the buckle rod is symmetrically opened inside the buckle slide, the buckle seat is opened inside the rectangular groove, the inner wall of the buckle slide is slidably connected with the buckle block, the inner wall of the buckle slide is fixedly connected with the return spring, and one side of the return spring is fixedly connected to the surface of the rectangular block, the buckle mechanism also includes a rectangular block, the buckle seat is symmetrically fixedly connected with the rectangular block on both sides, and the rectangular block is located below the buckle slide, the limit plate is close to the lower mold body, the buckle seat is close to the buckle rod, the buckle rod passes through the rectangular groove, the buckle block is squeezed by the inner wall of the rectangular groove, enters the buckle slide, the buckle block squeezes the return spring to contract, and when the lower surface of the buckle seat contacts the upper surface of the rectangular block, the return spring resets and opens, and the buckle block is moved out of the buckle slide, so that the limit plate and the lower mold body are firmly connected.

[0009] Preferably, four first guide rods are symmetrically fixedly connected to the lower surface of the upper mold body, and four second guide rods are symmetrically fixedly connected to the upper surface of the lower mold body, and the second guide rod slider part is slidably connected to the inner wall of the first guide rod. When the upper mold body moves downward, the second guide rod slider part slides on the inner wall of the first guide rod to guide the upper mold body, thereby ensuring that the upper mold body moves up and down stably, thereby improving the practicality of the upper mold body.

[0010] Preferably, the upper mold body has a screw mounting groove symmetrically provided on the inner wall, and the mold head body has an assembly groove symmetrically provided inside. The inner wall of the screw mounting groove is slidably connected with a linkage block, and the linkage block is slidably connected with the inside of the assembly groove. The inner wall of the screw mounting groove is rotatably connected with a one-way screw, and the threaded surface of the one-way screw is meshed with the circular inner wall of the linkage block. The circular rod surface of the one-way screw is fixedly connected with a ring block, and the ring block rotates on the inner wall of the screw mounting groove, and the mold head body is sent into the upper mold body. The one-way screw on the inner wall of the screw mounting groove is rotated, and the threaded part of the one-way screw contacts the circular inner wall of the linkage block, and the linkage block is moved out of the screw mounting groove, and the linkage block enters the assembly groove, and the upper mold body and the mold head body are firmly connected. The ring block limits the one-way screw to ensure that the one-way screw does not shake easily when it rotates.

[0011] Preferably, the upper mold body and the lower mold body are made of stainless steel material. Stainless steel material has excellent physical strength and high compressive resistance. When the upper mold body and the lower mold body are subjected to stamping processing, the upper mold body and the lower mold body will not easily be dented or worn when subjected to impact, thereby extending the service life of the upper mold body and the lower mold body.

[0012] Compared with the related art, the stamping die with a stamping die head quick-change structure provided by the utility model has the following beneficial effects:

[0013] The utility model provides a stamping die with a stamping die head quick-change structure:

[0014] 1. By installing the extrusion mechanism and the snap mechanism, the die head body damaged by the stamping process can be replaced, which improves the convenience of the stamping die. At the same time, the lower die body and the limit plate can be assembled to provide stamping protection for the die head body.

[0015] 2. Four first guide rods are symmetrically fixedly connected to the lower surface of the upper mold body, and four second guide rods are symmetrically fixedly connected to the upper surface of the lower mold body, and the second guide rod slider part is slidably connected to the inner wall of the first guide rod. When the upper mold body moves downward, the second guide rod slider part slides on the inner wall of the first guide rod to guide the upper mold body, thereby ensuring that the upper mold body moves up and down stably, thereby improving the practicality of the upper mold body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structural diagram provided by the utility model;

[0017] Figure 2 A schematic diagram of the subpackaging structure provided by the utility model;

[0018] Figure 3 A schematic cross-sectional view of the upper mold body provided by the utility model;

[0019] Figure 4 A schematic diagram of the structure of the extrusion mechanism provided by the utility model;

[0020] Figure 5 This is a schematic diagram of the buckle mechanism structure provided by the utility model.

[0021] Numbers in the figure: 1. Upper mold body; 2. Lower mold body; 3. Mold head body; 4. Limiting plate; 5. Extrusion mechanism; 51. First extrusion seat; 52. Second extrusion seat; 53. Limiting groove; 54. Rotating screw; 55. Linking plate; 56. Linking wheel; 6. Buckle mechanism; 61. Buckle rod; 62. Buckle seat; 63. Buckle slide groove; 64. Rectangular groove; 65. Buckle block; 66. Reset spring; 67. Rectangular block; 7. First guide rod; 8. Second guide rod; 9. Screw mounting groove; 10. Assembly groove; 11. Linking block; 12. One-way screw; 13. Ring block. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The stamping die with a stamping die head quick-change structure includes: an upper die body 1, a lower die body 2, a die head body 3 and a limit plate 4, wherein the lower die body 2 is arranged below the upper die body 1, the die head body 3 is fixedly installed inside the upper die body 1, the limit plate 4 is fixedly installed on the upper surface of the lower die body 2, and the stamping part of the die head body 3 is slidably connected with the circular inner wall of the limit plate 4; an extrusion mechanism 5 and a buckle mechanism 6, the extrusion mechanism 5 is fixedly installed on the lower surface of the upper die body 1, and the die head body 3 and the upper die body 1 are connected by rotation of the extrusion mechanism 5. The connection is firm, and a snap mechanism 6 is symmetrically fixedly installed on the upper surface of the lower mold body 2. By pressing the snap mechanism 6, the limit plate 4 and the lower mold body 2 are assembled, and the limit plate 4 and the lower mold body 2 are quickly assembled through the snap mechanism 6, and the metal plate is moved to the upper surface of the limit plate 4. The extrusion mechanism 5 fixes the upper mold body 1 and the mold head body 3. The cylinder drives the upper mold body 1 to move downward, and the mold head body 3 punches the metal plate. After the mold head body 3 is damaged, the extrusion mechanism 5 facilitates the replacement of the mold head body 3, thereby extending the service life of the stamping mold.

[0024] Embodiment 1:

[0025] In the specific implementation process, Figure 3 and Figure 4As shown, the extrusion mechanism 5 includes a first extrusion seat 51, a second extrusion seat 52, a limiting groove 53, a rotating screw 54, a linkage plate 55 and a linkage wheel 56. The first extrusion seat 51 and the second extrusion seat 52 are symmetrically fixedly connected to the lower surface of the upper mold body 1, and the first extrusion seat 51 and the second extrusion seat 52 are located on the left and right sides of the mold head body 3. The front and rear sides of the mold head body 3 are provided with limiting grooves 53. The inner walls of both sides of the first extrusion seat 51 are symmetrically rotatably connected with rotating screws 54, and the rotating screws 54 are connected with the inner wall of the second extrusion seat 52. A linkage plate 55 is provided on the side of the second extrusion seat 52 away from the first extrusion seat 51. The inner wall of the linkage plate 55 is symmetrically rotatably connected with a linkage wheel 56, and the circular inner wall of the linkage wheel 56 is meshed with the threaded surface of the rotating screw 54. The mold head body 3 is placed inside the upper mold body 1, and the rotating screw 54 inside the first extrusion seat 51 is rotated. The rotating screw 54 passes through the limiting groove 53 and enters the second extrusion seat 52. The linkage wheel 56 on the circular inner wall of the linkage plate 55 is rotated, and the linkage wheel 56 is tightly attached to the side of the second extrusion seat 52 away from the first extrusion seat 51, so that the mold head body 3 and the upper mold body 1 are firmly connected. The linkage wheel 56 is rotated in the opposite direction to separate the linkage wheel 56 and the rotating screw 54, so that the mold head body 3 can be removed conveniently for replacement.

[0026] refer to Figure 4 As shown, semicircular grooves are equidistantly provided on the side of the linkage wheel 56 , which increases the friction force on the side of the linkage wheel 56 , facilitates the stable grasping of the linkage wheel 56 for rotation, and prevents the side of the linkage wheel 56 from being too smooth, thereby affecting the normal rotation of the linkage wheel 56 .

[0027] refer to Figure 2 and Figure 5As shown, the buckle mechanism 6 includes a buckle rod 61, a buckle seat 62, a buckle slide 63, a rectangular groove 64, a buckle block 65 and a reset spring 66. The upper surface of the lower mold body 2 is symmetrically fixedly connected with the buckle rod 61, and the two sides of the limit plate 4 are symmetrically fixedly connected with the buckle seat 62. The buckle slide 63 is symmetrically opened inside the buckle rod 61, and the buckle seat 62 is opened inside the rectangular groove 64. The buckle block 65 is slidably connected to the inner wall of the buckle slide 63. The inner wall of the buckle slide 63 is fixedly connected to the reset spring 66, and one side of the reset spring 66 is fixedly connected to the surface of the rectangular block 67. The buckle mechanism 6 also includes a rectangular block 67, and the rectangular blocks 67 are symmetrically fixedly connected on both sides of the buckle seat 62, and the rectangular blocks 67 are located below the buckle slide groove 63. The limit plate 4 is close to the lower mold body 2, and the buckle seat 62 is close to the buckle rod 61. The buckle rod 61 passes through the rectangular groove 64, and the buckle block 65 is squeezed by the inner wall of the rectangular groove 64 and enters the buckle slide groove 63. The buckle block 65 squeezes the reset spring 66 to contract. When the lower surface of the buckle seat 62 contacts the upper surface of the rectangular block 67, the reset spring 66 resets and opens, and the buckle block 65 is moved out of the buckle slide groove 63, so that the limit plate 4 and the lower mold body 2 are firmly connected.

[0028] refer to Figure 2 As shown, four first guide rods 7 are symmetrically fixedly connected to the lower surface of the upper mold body 1, and four second guide rods 8 are symmetrically fixedly connected to the upper surface of the lower mold body 2, and the slider part of the second guide rod 8 is slidably connected to the inner wall of the first guide rod 7. When the upper mold body 1 moves downward, the slider part of the second guide rod 8 slides on the inner wall of the first guide rod 7 to guide the upper mold body 1, thereby ensuring that the upper mold body 1 moves up and down stably, thereby improving the practicality of the upper mold body 1.

[0029] refer to Figure 3 As shown, the inner wall of the upper mold body 1 is symmetrically provided with a screw rod installation groove 9, and the inside of the mold head body 3 is symmetrically provided with an assembly groove 10, and the inner wall of the screw rod installation groove 9 is slidably connected with a linkage block 11, and the linkage block 11 is slidably connected with the inside of the assembly groove 10, and the inner wall of the screw rod installation groove 9 is rotatably connected with a one-way screw rod 12, and the threaded surface of the one-way screw rod 12 is meshed with the circular inner wall of the linkage block 11, and the circular rod surface of the one-way screw rod 12 is fixedly connected with a circular ring block 13, and the circular ring block 13 rotates on the inner wall of the screw mounting groove 9, sends the mold head body 3 into the upper mold body 1, rotates the one-way screw 12 on the inner wall of the screw mounting groove 9, and the threaded part of the one-way screw 12 contacts the circular inner wall of the linkage block 11, and the linkage block 11 is moved out of the screw mounting groove 9. The linkage block 11 enters the assembly groove 10, and the upper mold body 1 and the mold head body 3 are firmly connected. The circular ring block 13 limits the one-way screw 12 to ensure that the one-way screw 12 will not shake easily when it rotates.

[0030] Embodiment 2:

[0031] refer to Figure 1 and Figure 2 As shown, the upper mold body 1 and the lower mold body 2 are made of stainless steel material. The stainless steel material has excellent physical strength and high pressure resistance. When the upper mold body 1 and the lower mold body 2 are stamped, the upper mold body 1 and the lower mold body 2 are not easily dented or worn when subjected to impact, thereby extending the service life of the upper mold body 1 and the lower mold body 2.

[0032] Working principle: When the stamping die with a quick-change structure of the stamping die head of the utility model is in use, the limit plate 4 and the lower die body 2 are quickly assembled through the buckle mechanism 6, the limit plate 4 is moved close to the lower die body 2, the buckle seat 62 is close to the buckle rod 61, the buckle rod 61 passes through the rectangular groove 64, the buckle block 65 is squeezed by the inner wall of the rectangular groove 64, and enters the buckle slide 63, the buckle block 65 squeezes the reset spring 66 to contract, and when the lower surface of the buckle seat 62 contacts the upper surface of the rectangular block 67, the reset spring 66 is reset and opened, and the buckle block 65 is moved out of the buckle slide 63, the limit plate 4 and the lower die body 2 are firmly connected, the metal plate is moved to the upper surface of the limit plate 4, and the extrusion mechanism 5 fixes the upper die body 1 and the die head body 3. Place the die head body 3 into the upper die body 1, rotate the rotating screw 54 inside the first extrusion seat 51, and the rotating screw 54 passes through the limiting groove 53 and enters the second extrusion seat 52, rotate the interlocking wheel 56 on the circular inner wall of the interlocking plate 55, and the interlocking wheel 56 is close to the side of the second extrusion seat 52 away from the first extrusion seat 51, so that the die head body 3 and the upper die body 1 are firmly connected, and the interlocking wheel 56 is rotated in the opposite direction to separate the interlocking wheel 56 and the rotating screw 54, so that the die head body 3 can be removed for replacement conveniently, and the cylinder drives the upper die body 1 to move downward, and the die head body 3 punches the metal plate. After the die head body 3 is damaged, the extrusion mechanism 5 is convenient for replacing the die head body 3, thereby extending the service life of the stamping die.

[0033] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A stamping die with a stamping die head quick-change structure, characterized in that: include: An upper mold body (1), a lower mold body (2), a mold head body (3) and a limit plate (4), wherein the lower mold body (2) is arranged below the upper mold body (1), the mold head body (3) is fixedly installed inside the upper mold body (1), the limit plate (4) is fixedly installed on the upper surface of the lower mold body (2), and the stamping part of the mold head body (3) is slidably connected with the circular inner wall of the limit plate (4); An extrusion mechanism (5) and a buckle mechanism (6), wherein the extrusion mechanism (5) is fixedly mounted on the lower surface of the upper mold body (1), and the mold head body (3) is firmly connected to the upper mold body (1) by rotating the extrusion mechanism (5), and the buckle mechanism (6) is symmetrically fixedly mounted on the upper surface of the lower mold body (2), and the limit plate (4) and the lower mold body (2) are assembled by pressing the buckle mechanism (6).

2. The stamping die with a stamping die head quick-change structure according to claim 1, characterized in that: The extrusion mechanism (5) comprises a first extrusion seat (51), a second extrusion seat (52), a limiting groove (53), a rotating screw (54), a linkage plate (55) and a linkage wheel (56); the first extrusion seat (51) and the second extrusion seat (52) are symmetrically fixedly connected to the lower surface of the upper mold body (1); the first extrusion seat (51) and the second extrusion seat (52) are located on the left and right sides of the mold head body (3); the limiting groove (53) is provided on the front and rear sides of the mold head body (3); the inner walls of both sides of the first extrusion seat (51) are symmetrically rotatably connected to the rotating screw (54); the rotating screw (54) is connected to the inner wall of the second extrusion seat (52); the second extrusion seat (52) is provided with a linkage plate (55) on a side away from the first extrusion seat (51); the inner wall of the linkage plate (55) is symmetrically rotatably connected to the linkage wheel (56); and the circular inner wall of the linkage wheel (56) is meshedly connected to the threaded surface of the rotating screw (54).

3. The stamping die with a stamping die head quick-change structure according to claim 2, characterized in that: Semicircular grooves are equidistantly formed on the side of the linkage wheel (56).

4. The stamping die with a stamping die head quick-change structure according to claim 1, characterized in that: The buckle mechanism (6) comprises a buckle rod (61), a buckle seat (62), a buckle slide groove (63), a rectangular groove (64), a buckle block (65) and a return spring (66); the buckle rod (61) is symmetrically fixedly connected to the upper surface of the lower mold body (2); the buckle seats (62) are symmetrically fixedly connected to the two sides of the limit plate (4); the buckle slide groove (63) is symmetrically opened inside the buckle rod (61); the buckle seat (62) is opened inside the rectangular groove (64); the buckle block (65) is slidably connected to the inner wall of the buckle slide groove (63); the return spring (66) is fixedly connected to the inner wall of the buckle slide groove (63); and one side of the return spring (66) is fixedly connected to the surface of the rectangular block (67).

5. The stamping die with a stamping die head quick-change structure according to claim 4, characterized in that: The buckle mechanism (6) further comprises a rectangular block (67), and the rectangular blocks (67) are symmetrically fixedly connected to both sides of the buckle seat (62), and the rectangular blocks (67) are located below the buckle slide groove (63).

6. The stamping die with a stamping die head quick-change structure according to claim 1, characterized in that: The lower surface of the upper mold body (1) is symmetrically fixedly connected with four first guide rods (7), the upper surface of the lower mold body (2) is symmetrically fixedly connected with four second guide rods (8), and the slider parts of the second guide rods (8) are slidably connected with the inner walls of the first guide rods (7).

7. The stamping die with a stamping die head quick-change structure according to claim 1, characterized in that: The upper mold body (1) has a screw rod installation groove (9) symmetrically formed on its inner wall, and the mold head body (3) has an assembly groove (10) symmetrically formed inside. The inner wall of the screw rod installation groove (9) is slidably connected to a linkage block (11), and the linkage block (11) is slidably connected to the inside of the assembly groove (10). The inner wall of the screw rod installation groove (9) is rotatably connected to a one-way screw rod (12), and the threaded surface of the one-way screw rod (12) is meshedly connected to the circular inner wall of the linkage block (11). The circular rod surface of the one-way screw rod (12) is fixedly connected to a circular ring block (13), and the circular ring block (13) rotates on the inner wall of the screw rod installation groove (9).

8. The stamping die with a stamping die head quick-change structure according to claim 1, characterized in that: The upper mold body (1) and the lower mold body (2) are made of stainless steel.

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