Stamping die

Abstract

The invention belongs to the technical field of metal stamping, and particularly relates to a stamping die which comprises a base, supporting rods are connected to one side of the top of the base through bolts, a supporting seat is connected between the tops of the multiple supporting rods through bolts, and a forming mechanism is arranged at the top of the supporting seat. A lifting mechanism is arranged on one side of the top of the base, a stamping mechanism is arranged at the position, close to the top, of one side of the lifting mechanism, the stamping mechanism is located over the forming mechanism, a vibrating mechanism is arranged between the bottom of the supporting base and the lifting mechanism, and the vibrating mechanism is matched with the lifting mechanism. According to the stamping die, a metal material can be loosened conveniently through vibration generated during impacting, so that the metal material falls off from the interior of the lower die, the stamped metal material can be blanked conveniently, and the situation that the metal material is clamped in the lower die due to the stamping effect, and consequently the metal material cannot be blanked conveniently is prevented.

Description

Technical Field

[0001] The invention relates to the field of metal stamping, and in particular to a stamping die. Background Art

[0002] A stamping die is a special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. It is called a cold stamping die (commonly known as a cold stamping die).

[0003] After searching, the Chinese patent application with application publication number CN110976639B discloses a stamping die; it includes a top plate, a pressure plate, a bottom plate, a fixed plate and a base; the support module includes a cylinder, a gasket and a friction unit; the friction unit includes a lead screw, a nut, a turntable, a push rod, a friction strip and a suction cup; the suction cup is installed at the end of the lead screw; the turntable is fixed on the side wall of the lead screw; the friction strip is slidably connected to the side wall of the cavity close to the blanking, and a support rod is provided on the side wall of the friction strip; the push rod is slidably connected in the cavity close to the support rod, and the bottom end of the push rod is always in contact with the side wall of the turntable; the side wall of the blanking is subjected to friction deburring treatment through the cooperation of the cylinder, the gasket and the friction unit, thereby reducing the process steps of the stamping process, saving the processing cost in the stamping process, and bringing great convenience to the staff.

[0004] When stamping metal materials, the existing mold usually places the metal material inside the lower mold and stamps the metal material by pressing the upper mold. However, after the stamping is completed, the metal material will be stuck inside the lower mold due to the pressure and is difficult to remove. Summary of the invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A stamping die comprises a base, one side of the top of the base is connected to a support rod by bolts, and the tops of multiple support rods are connected to a support seat by bolts, the top of the support seat is provided with a molding mechanism, one side of the top of the base is provided with a lifting mechanism, and a stamping mechanism is provided on one side of the lifting mechanism near the top, the stamping mechanism is located directly above the molding mechanism, a vibration mechanism is provided between the bottom of the support seat and the lifting mechanism, and the vibration mechanism and the lifting mechanism are matched.

[0006] Preferably, the forming mechanism consists of a lower mold, an upper mold, two positioning blocks and two positioning rods, and the position of the upper mold corresponds to the position of the lower mold, a support opening is opened through the top of the support seat, the support opening is fixedly connected to the lower mold, the two sides of the top of the support seat are connected to the two positioning rods by bolts, the two sides of the upper mold are connected to the positioning block by bolts, a positioning hole is opened through the top of the positioning block, and the positioning hole is slidably connected to the positioning rod.

[0007] Preferably, the lifting mechanism includes a lifting seat, a threaded rod, a lifting block and a first motor, and the bottom of the lifting seat is connected to one side of the top of the base by bolts, a lifting port is penetrated through one side of the lifting seat, the top and bottom of the lifting port are rotationally connected to the threaded rod by bearings, the lifting port is slidably connected to the lifting block, a threaded hole is penetrated through the top of the lifting block, the threaded hole is threadedly connected to the threaded rod, the top of the lifting seat is connected to the first motor by bolts, and one end of the first motor is fixedly connected to the top of the threaded rod.

[0008] Preferably, the stamping mechanism includes a support plate, a second motor, a transmission assembly, a rotating shaft and a stamping head, and one side of the support plate is connected to the lifting block by bolts, a connecting port is penetrated through one side of the top of the support plate, and the two opposite sides of the connecting port are rotatably connected to the rotating shaft by bearings, the stamping head is fixedly connected to the rotating shaft, the cross-section of the stamping head is diamond-shaped, and the rotating shaft and the second motor are connected by a transmission assembly.

[0009] Preferably, the transmission assembly consists of two pulleys and a belt, and the two pulleys are rotatably connected to the belt, one of the pulleys is fixedly connected to one end of the second motor, one end of the rotating shaft is connected to the support shaft by bolts, and the other pulley is fixedly sleeved on the outer wall of the support shaft.

[0010] Preferably, the vibration mechanism includes a first top block, a second top block, a pressure plate, a bracket, a swing plate and an impact block, and the top of the first top block is fixedly connected to the bottom of the threaded rod, and the first top block and the second top block are provided with a plurality of continuous protrusions on the opposite sides, and the first top block and the second top block are matched with each other, and the bottom of the bracket is connected to the base by bolts, and a pressure plate is provided on one side of the top of the swing plate, and the pressure plate and the swing plate are movably connected, and the top of the pressure plate is fixedly connected to the bottom of the second top block, and the other side of the top of the swing plate is connected to the bottom of the impact block by bolts, and a spring is connected between one side of the bottom of the swing plate and the base by bolts, and the impact block is located directly below the lower mold.

[0011] Preferably, a through opening is formed through one side of the lifting seat near the bottom, and guide grooves are formed on opposite sides of the through opening, and guide blocks are slidably connected to the inner walls of the two guide grooves, and the guide blocks are fixedly connected to the pressure plate.

[0012] Preferably, an air jet mechanism is provided at the bottom of the vibration mechanism, and the air jet mechanism is matched with the vibration mechanism.

[0013] Preferably, the jet mechanism is composed of a buffer pad and a conduit, and the buffer pad is located between one side of the bottom of the swing plate and the through-port, the buffer pad is made of a hollow elastic material, a cavity is provided inside the impact block, both ends of the conduit are located inside the cavity and the buffer pad, the conduit is made of an elastic material, and a plurality of jet holes are provided on both sides of the top of the cavity.

[0014] The beneficial effects of the present invention are: The present invention provides a lifting mechanism and a vibration mechanism, and when stamping the metal material, the metal material is placed inside the lower die, and the upper die is placed above the metal material after the placement is completed. After the placement is completed, the lifting mechanism is started, and the lifting mechanism drives the stamping mechanism to move downward, so that the stamping mechanism performs stamping on the metal material. After the stamping is completed, the lifting mechanism is started, and the lifting mechanism drives the stamping mechanism to move upward. At this time, the first top block will rotate synchronously with the rotation of the threaded rod. Since the first top block and the second top block are provided with a plurality of continuous protrusions on both sides opposite to each other, when the first top block rotates, the second top block The block will push the pressing plate to move downward under the action of the first top block. At this time, the pressing plate will drive one end of the swing plate to deflect downward when moving downward, and the other end of the swing plate will deflect upward under the action of the bracket. At this time, the other end of the swing plate will drive the impact block to push upward when deflecting upward, so that the impact block will impact the bottom of the lower die, so that the metal material will be loosened by the vibration generated during the impact, so that the metal material will fall off from the inside of the lower die, so as to facilitate the blanking of the stamped metal material, and prevent the metal material from being stuck in the inside of the lower die due to the stamping effect, which makes it inconvenient to blank the metal material; The present invention provides a vibration mechanism and an injection mechanism. When one end of the swing plate deflects downward under the cooperation of the first top block and the second top block, the downwardly deflected end of the swing plate will squeeze the buffer pad, and the gas inside the buffer pad will be transported to the inside of the cavity through the conduit after being squeezed, and will be injected to both sides of the bottom of the lower mold through the injection hole, so that the metal material and the lower mold can be cooled by the injected airflow, so that the metal material shrinks due to cooling through the principle of thermal expansion and contraction, and then the metal material is taken out from the inside of the lower mold to prevent the metal material from expanding due to heat and getting stuck in the inside of the lower mold due to the action of stamping, thereby affecting the unloading of the metal material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a stamping die proposed by the present invention; Figure 2 This is a schematic diagram of the main structure of a stamping die proposed by the present invention; Figure 3 A schematic diagram of the forming mechanism structure of a stamping die proposed by the present invention; Figure 4 A schematic diagram of the structure of a stamping mechanism of a stamping die proposed by the present invention; Figure 5 A schematic diagram of the vibration mechanism structure of a stamping die proposed by the present invention; Figure 6 for Figure 5 Schematic diagram of the structure at A in FIG. Figure 7 The present invention is a schematic cross-sectional structural diagram of an air jet mechanism of a stamping die.

[0016] In the attached drawings: 1, base; 2, support rod; 3, lifting mechanism; 4, lifting seat; 5, through port; 6, lifting port; 7, threaded rod; 8, lifting block; 9, first motor; 10, stamping mechanism; 11, forming mechanism; 12, support seat; 13, lower die; 14, upper die; 15, positioning rod; 16, positioning block; 17, support plate; 18, connecting port; 19, rotating shaft; 20, stamping head; 21, second motor; 22, pulley; 23, belt; 24, vibration mechanism; 25, pressure plate; 26, guide block; 27, buffer pad; 28, bracket; 29, spring; 30, swing plate; 31, impact block; 32, first top block; 33, second top block; 34, conduit; 35, cavity; 36, jet hole. DETAILED DESCRIPTION

[0017] Example 1, reference Figure 1-Figure 6 A stamping die comprises a base 1, a support rod 2 is connected to one side of the top of the base 1 by bolts, and a support seat 12 is connected to the tops of multiple support rods 2 by bolts, a forming mechanism 11 is arranged on the top of the support seat 12, a lifting mechanism 3 is arranged on one side of the top of the base 1, and a stamping mechanism 10 is arranged near the top of one side of the lifting mechanism 3, the stamping mechanism 10 is located directly above the forming mechanism 11, a vibration mechanism 24 is arranged between the bottom of the support seat 12 and the lifting mechanism 3, and the vibration mechanism 24 is matched with the lifting mechanism 3, so that the metal material is loosened by the vibration generated during the impact, so that the metal material falls off, so as to facilitate the blanking of the stamped metal material, and prevent the metal material from being stuck inside due to the action of the stamping, which makes it inconvenient to blank the metal material.

[0018] On the basis of the above, the molding mechanism 11 is composed of a lower mold 13, an upper mold 14, two positioning blocks 16 and two positioning rods 15, and the position of the upper mold 14 corresponds to the position of the lower mold 13. A support opening is opened through the top of the support seat 12, and the support opening is fixedly connected to the lower mold 13. The two sides of the top of the support seat 12 are connected to the two positioning rods 15 by bolts, and the two sides of the upper mold 14 are connected to the positioning blocks 16 by bolts. A positioning hole is opened through the top of the positioning block 16, and the positioning hole is slidably connected to the positioning rod 15.

[0019] On the basis of the above, the lifting mechanism 3 includes a lifting seat 4, a threaded rod 7, a lifting block 8 and a first motor 9, and the bottom of the lifting seat 4 is connected to one side of the top of the base 1 by bolts, a lifting port 6 is penetrated on one side of the lifting seat 4, and the top and bottom of the lifting port 6 are rotatably connected to the threaded rod 7 by bearings, the lifting port 6 is slidably connected to the lifting block 8, a threaded hole is penetrated on the top of the lifting block 8, the threaded hole is threadedly connected to the threaded rod 7, the top of the lifting seat 4 is connected to the first motor 9 by bolts, and one end of the first motor 9 is fixedly connected to the top of the threaded rod 7.

[0020] On the basis of the above, the stamping mechanism 10 includes a support plate 17, a second motor 21, a transmission assembly, a rotating shaft 19 and a stamping head 20, and one side of the support plate 17 is connected to the lifting block 8 by bolts, and a connecting port 18 is penetrated on one side of the top of the support plate 17, and the two opposite sides of the connecting port 18 are rotatably connected to the rotating shaft 19 through bearings, the stamping head 20 is fixedly connected to the rotating shaft 19, the cross-section of the stamping head 20 is diamond-shaped, and the rotating shaft 19 and the second motor 21 are connected by a transmission assembly.

[0021] On the basis of the above, the transmission assembly consists of two pulleys 22 and a belt 23, and the two pulleys 22 are rotatably connected to the belt 23, one of the pulleys 22 is fixedly connected to one end of the second motor 21, one end of the rotating shaft 19 is connected to the support shaft by bolts, and the other pulley 22 is fixedly sleeved on the outer wall of the support shaft.

[0022] On the basis of the above, the vibration mechanism 24 includes a first top block 32, a second top block 33, a pressure plate 25, a bracket 28, a swing plate 30 and an impact block 31, and the top of the first top block 32 is fixedly connected to the bottom of the threaded rod 7, and the first top block 32 and the second top block 33 are provided with a plurality of continuous protrusions on the opposite sides, and the first top block 32 and the second top block 33 are matched with each other, and the bottom of the bracket 28 is connected to the base 1 by bolts, and a pressure plate 25 is provided on one side of the top of the swing plate 30, and the pressure plate 25 and the swing plate 30 are movably connected, and the top of the pressure plate 25 is fixedly connected to the bottom of the second top block 33, and the other side of the top of the swing plate 30 is connected to the bottom of the impact block 31 by bolts, and a spring 29 is connected between one side of the bottom of the swing plate 30 and the base 1 by bolts, and the impact block 31 is located directly below the lower mold 13, and the first top block 32 will be moved with the rotation of the threaded rod 7. Synchronous rotation, since the first top block 32 and the second top block 33 are provided with a plurality of continuous protrusions on the opposite sides, when the first top block 32 rotates, the second top block 33 will push the pressure plate 25 to move downward under the action of the first top block 32. At this time, the pressure plate 25 will drive one end of the swing plate 30 to deflect downward when moving downward, and the other end of the swing plate 30 will deflect upward under the action of the bracket 28. At this time, the other end of the swing plate 30 will drive the impact block 31 to push up when deflecting upward, so that the impact block 31 impacts the bottom of the lower mold 13, so that the metal material is loosened by the vibration generated during the impact, so that the metal material falls off from the inside of the lower mold 13, so as to facilitate the blanking of the stamped metal material and prevent the metal material from being stuck in the inside of the lower mold 13 due to the stamping effect, thereby making it inconvenient to blank the metal material.

[0023] On the basis of the above, a through opening 5 is provided through one side of the lifting seat 4 near the bottom, and guide grooves are provided on both opposite sides of the through opening 5. The inner walls of the two guide grooves are slidably connected with guide blocks 26, and the guide blocks 26 are fixedly connected to the pressure plate 25.

[0024] Example 2, reference Figure 1-Figure 7 , a stamping die, compared with Example 1, on the basis of Example 1, a jet mechanism is provided at the bottom of the vibration mechanism 24, and the jet mechanism and the vibration mechanism 24 are matched.

[0025] On the basis of the above, the jet mechanism is composed of a buffer pad 27 and a conduit 34, and the buffer pad 27 is located between one side of the bottom of the swing plate 30 and the through port 5, the buffer pad 27 is made of a hollow elastic material, a cavity 35 is arranged inside the impact block 31, and both ends of the conduit 34 are located inside the cavity 35 and the buffer pad 27, the conduit 34 is made of an elastic material, and a plurality of jet holes 36 are provided on both sides of the top of the cavity 35, so as to facilitate cooling of the metal material and the lower mold 13 by the jetted airflow, thereby causing the metal material to shrink due to cooling through the principle of thermal expansion and contraction, thereby facilitating the removal of the metal material from the lower mold 13, and preventing the metal material from expanding due to heat and getting stuck inside the lower mold 13 due to the effect of stamping, thereby affecting the unloading of the metal material.

[0026] In summary, with the aid of the above technical solution of the present invention: when stamping a metal material, the metal material is placed inside the lower die 13, and after the placement is completed, the upper die 14 is placed above the metal material. After the placement is completed, the lifting mechanism 3 is started, and the lifting mechanism 3 drives the stamping mechanism 10 to move downward, so that the stamping mechanism 10 performs stamping on the metal material. After the stamping is completed, the lifting mechanism 3 is started, and the lifting mechanism 3 drives the stamping mechanism 10 to move upward. At this time, the first top block 32 is moved forward with the rotation of the threaded rod 7. The first top block 32 and the second top block 33 are provided with a plurality of continuous protrusions on opposite sides. Therefore, when the first top block 32 rotates, the second top block 33 pushes the pressing plate 25 downward under the action of the first top block 32. At this time, the pressing plate 25 drives one end of the swing plate 30 to deflect downward when moving downward, and the other end of the swing plate 30 deflects upward under the action of the bracket 28. At this time, the other end of the swing plate 30 drives the impact block 31 to push upward when deflecting upward, so that the impact block 31 is pressed against The bottom of the lower die 13 is subjected to an impact treatment so that the metal material can be loosened by the vibration generated during the impact, thereby causing the metal material to fall off from the inside of the lower die 13, so as to facilitate the unloading of the stamped metal material, and prevent the metal material from being stuck in the lower die 13 due to the action of stamping, thereby making it inconvenient to unload the metal material. When one end of the swing plate 30 deflects downward under the cooperation of the first top block 32 and the second top block 33, at this time, the downwardly deflected end of the swing plate 30 will squeeze the buffer pad 27, and the gas inside the buffer pad 27 will be transported to the inside of the cavity 35 through the conduit 34 after being squeezed, and will be sprayed to both sides of the bottom of the lower die 13 through the jet hole 36, so as to facilitate the cooling treatment between the metal material and the lower die 13 by the jetted airflow, thereby causing the metal material to shrink due to cooling through the principle of thermal expansion and contraction, and then facilitating the removal of the metal material from the inside of the lower die 13, and preventing the metal material from being stuck in the lower die 13 due to the action of stamping due to thermal expansion, thereby affecting the unloading of the metal material.

[0027] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stamping die, comprising a base (1), characterized in that: A support rod (2) is connected to one side of the top of the base (1) by bolts, and a support seat (12) is connected to the tops of the plurality of support rods (2) by bolts. A molding mechanism (11) is arranged on the top of the support seat (12). A lifting mechanism (3) is arranged on one side of the top of the base (1), and a punching mechanism (10) is arranged on one side of the top of the lifting mechanism (3) near the top. The punching mechanism (10) is located directly above the molding mechanism (11). A vibration mechanism (24) is arranged between the bottom of the support seat (12) and the lifting mechanism (3), and the vibration mechanism (24) cooperates with the lifting mechanism (3). The molding mechanism (11) consists of a lower mold (13), an upper mold (14), and two The lifting mechanism (3) is composed of a positioning block (16) and two positioning rods (15), and the position of the upper mold (14) corresponds to the position of the lower mold (13). A support opening is formed through the top of the support seat (12), and the support opening is fixedly connected to the lower mold (13). The two sides of the top of the support seat (12) are connected to the two positioning rods (15) by bolts. The two sides of the upper mold (14) are connected to the positioning block (16) by bolts. A positioning hole is formed through the top of the positioning block (16), and the positioning hole is slidably connected to the positioning rod (15). The lifting mechanism (3) includes a lifting seat (4), a threaded rod (7), a lifting block (8) and a first motor (9), and the bottom of the lifting seat (4) is connected to one side of the top of the base (1) by bolts. A lifting port (6) is provided through one side of the lifting seat (4), the top and bottom of the lifting port (6) are rotationally connected to the threaded rod (7) through bearings, the lifting port (6) is slidably connected to the lifting block (8), a threaded hole is provided through the top of the lifting block (8), the threaded hole is threadedly connected to the threaded rod (7), the top of the lifting seat (4) is connected to the first motor (9) through bolts, one end of the first motor (9) is fixedly connected to the top of the threaded rod (7), the vibration mechanism (24) comprises a first top block (32), a second top block (33), a pressure plate (25), a bracket (28), a swing plate (30) and an impact block (31), and the top of the first top block (32) is fixedly connected to the bottom of the threaded rod (7). The first top block (32) and the second top block (33) are provided with a plurality of continuous protrusions on opposite sides thereof, the first top block (32) and the second top block (33) are matched with each other, the bottom of the bracket (28) is connected to the base (1) by bolts, a pressing plate (25) is provided on one side of the top of the swing plate (30), the pressing plate (25) and the swing plate (30) are movably connected, the top of the pressing plate (25) is fixedly connected to the bottom of the second top block (33), the other side of the top of the swing plate (30) is connected to the bottom of the impact block (31) by bolts, a spring (29) is connected between one side of the bottom of the swing plate (30) and the base (1) by bolts, and the impact block (31) is located directly below the lower mold (13).

2. A stamping die according to claim 1, characterized in that: The punching mechanism (10) comprises a support plate (17), a second motor (21), a transmission assembly, a rotating shaft (19) and a punching head (20), wherein one side of the support plate (17) is connected to the lifting block (8) via bolts, a connecting port (18) is provided through one side of the top of the support plate (17), two opposite sides of the connecting port (18) are rotatably connected to the rotating shaft (19) via bearings, the punching head (20) is fixedly connected to the rotating shaft (19), the cross section of the punching head (20) is rhombus-shaped, and the rotating shaft (19) and the second motor (21) are connected via the transmission assembly.

3. A stamping die according to claim 2, characterized in that: The transmission assembly is composed of two pulleys (22) and a belt (23), and the two pulleys (22) are rotatably connected to the belt (23), one of the pulleys (22) is fixedly connected to one end of the second motor (21), one end of the rotating shaft (19) is connected to the support shaft by bolts, and the other pulley (22) is fixedly sleeved on the outer wall of the support shaft.

4. A stamping die according to claim 1, characterized in that: A through opening (5) is provided on one side of the lifting seat (4) near the bottom, and guide grooves are provided on opposite sides of the through opening (5). Guide blocks (26) are slidably connected to the inner walls of the two guide grooves, and the guide blocks (26) are fixedly connected to the pressure plate (25).

5. A stamping die according to claim 4, characterized in that: An air jet mechanism is provided at the bottom of the vibration mechanism (24), and the air jet mechanism and the vibration mechanism (24) are matched with each other.

6. A stamping die according to claim 5, characterized in that: The jet mechanism is composed of a buffer pad (27) and a conduit (34), wherein the buffer pad (27) is located between one side of the bottom of the swing plate (30) and the through opening (5), the buffer pad (27) is made of a hollow elastic material, a cavity (35) is provided inside the impact block (31), two ends of the conduit (34) are located inside the cavity (35) and the buffer pad (27), the conduit (34) is made of an elastic material, and a plurality of jet holes (36) are provided on both sides of the top of the cavity (35).

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