An ejection mechanism for a die stamping machine

Abstract

This utility model discloses an ejection mechanism for a die stamping machine, comprising: a stamping machine body, a hydraulic cylinder fixedly connected to one end of the top of the stamping machine body, an upper template fixedly connected to the movable end of the hydraulic cylinder, a lower die fixedly connected to the middle of the worktable of the stamping machine body, an ejection assembly provided inside the stamping machine body and the inner side of the lower die, an upper die core fixedly connected to the middle of the bottom of the upper template, a pushing assembly provided on the outer side of the upper template, and a receiving assembly provided on the front of the worktable of the stamping machine body; this utility model uses a hydraulic cylinder to push the upper die core downward to cooperate with the die core bottom block of the lower die to complete the stamping. After forming, a cylinder drives the die core bottom block to eject the workpiece, while a vacuum pump uses a vacuum suction cup and a through-hole to adsorb the workpiece, avoiding vibration-induced detachment and warping caused by uneven force, ensuring stable ejection and workpiece accuracy. After the workpiece is ejected to a certain height, a motor drives a U-shaped rod with a rubber sleeve to rotate through gear transmission, pushing the workpiece away from the ejection assembly, avoiding manual contact and improving safety.

Description

Technical Field

[0001] This utility model relates to the field of stamping ejection equipment technology, specifically an ejection mechanism for a mold stamping machine. Background Technology

[0002] The ejection mechanism of a die stamping press is a key component in a stamping die used to remove the formed workpiece from the die cavity or core. It plays a role in the final stage of the stamping process, ensuring that the workpiece is successfully removed. It is an important part of ensuring the continuity of stamping production and product quality.

[0003] For example, a Chinese patent document discloses an ejection mechanism for a die stamping machine (publication number: CN221109562U). Although this patent, through the arrangement of a base plate, stamping block assembly, and sliding groove, can achieve stamping technology not only at the top and bottom but also on both sides, allowing for stamping assembly from multiple directions, this method relies solely on hydraulic rods to directly eject the workpiece. It lacks measures to secure the workpiece, making it prone to detachment or displacement due to vibration or inertia during ejection. This can lead to collisions and friction with other components, resulting in scratches, dents, deformation, and other damage to the workpiece surface, compromising its shape accuracy and surface quality. Utility Model Content

[0004] The purpose of this utility model is to provide an ejection mechanism for a mold stamping machine in order to solve the above problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an ejection mechanism for a die stamping machine, comprising: a stamping machine body, a hydraulic cylinder fixedly connected to one end of the top of the stamping machine body, an upper template fixedly connected to the movable end of the hydraulic cylinder, a lower die fixedly connected to the middle of the worktable of the stamping machine body, an ejection assembly provided inside the stamping machine body and the inner side of the lower die, an upper die core fixedly connected to the middle of the bottom of the upper template, a pushing assembly provided on the outer side of the upper template, and a receiving assembly provided on the front of the worktable of the stamping machine body.

[0006] As a further embodiment of this utility model: the ejection assembly includes a mold core bottom block, a through-hole, and a bottom frame. The mold core bottom block is vertically slidably connected to the inner side of the lower mold. The through-hole is opened at one end inside the mold core bottom block. The bottom frame is fixedly connected to the bottom of the mold core bottom block. A box base, a vacuum pump, and a vacuum suction cup are also included. The box base is fixedly connected to the bottom of the bottom frame. The vacuum pump is fixedly connected inside the box base. The vacuum suction cup is fixedly connected to the middle of the bottom of the mold core bottom block. A bottom push plate and a cylinder are also included. The bottom push plate is fixedly connected to the bottom of the box base. The cylinder is fixedly connected inside the stamping machine body.

[0007] As a further embodiment of this utility model: the pushing assembly includes a rotating shaft, a U-shaped rod, and a rubber sleeve. The rotating shaft is rotatably connected to one side of the upper template, the U-shaped rod is fixedly connected to one end of the rotating shaft, and the rubber sleeve is fixedly connected to the middle of the outer side of the U-shaped rod; gear one, a motor, and gear two. Gear one is fixedly connected to the other end of the rotating shaft, the motor is fixedly connected to one side above the upper template, and gear two is fixedly connected to the motor output end.

[0008] As a further embodiment of this utility model: the receiving assembly includes a connecting plate and a bolt, the connecting plate being disposed on the front of the worktable of the stamping machine body, and the bolt being disposed on one end of the front of the connecting plate; an inclined channel box and an acrylic baffle, the inclined channel box being fixedly connected to the top of the connecting plate, and the acrylic baffle being fixedly connected to the top of the inclined channel box.

[0009] As a further improvement of this utility model: the number of through-holes is provided in multiple sets, the vacuum pump and the vacuum suction cup are connected by a pipe, and the movable end of the cylinder is fixedly connected to the bottom push plate.

[0010] As a further embodiment of this utility model: the number of rotating shafts is provided in two sets, the other set of rotating shafts is located on the other side outside the upper template, the other end of the U-shaped rod is fixedly connected to the other set of rotating shafts, and the first gear and the second gear mesh with each other.

[0011] As a further improvement of this utility model: the number of bolts is provided in multiple sets, and the other end of the bolt passes through the connecting plate and is fixedly connected to the stamping machine body.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In this invention, a hydraulic cylinder pushes the upper mold core downwards to cooperate with the bottom block of the lower mold core to complete the stamping. After forming, a cylinder drives the bottom block of the mold core to eject the workpiece. At the same time, a vacuum pump uses a vacuum suction cup and a through-hole to adsorb the workpiece, avoiding vibration-induced detachment and warping caused by uneven force, ensuring stable ejection and workpiece accuracy. After the workpiece is ejected to a certain height, a motor drives a U-shaped rod with a rubber sleeve to rotate through gear transmission, pushing the workpiece away from the ejection assembly, avoiding manual contact and improving safety. The workpiece falls into an inclined channel box for automatic collection, reducing accumulation, facilitating subsequent processing, and improving production efficiency. The acrylic baffle prevents debris and facilitates observation, combining protection and monitoring. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the stamping machine body in this utility model;

[0016] Figure 3 This is a schematic diagram of the ejection assembly in this utility model;

[0017] Figure 4 This is a schematic diagram of the material pushing component in this utility model;

[0018] Figure 5 This is a schematic diagram of the material receiving component in this utility model.

[0019] In the diagram: 1. Press body; 2. Hydraulic cylinder; 3. Upper template; 4. Lower mold; 5. Ejection assembly; 51. Mold core bottom block; 52. Through air hole; 53. Base frame; 54. Box base; 55. Vacuum pump; 56. Vacuum suction cup; 57. Bottom push plate; 58. Cylinder; 6. Upper mold core; 7. Pushing assembly; 71. Rotating shaft; 72. U-shaped rod; 73. Rubber sleeve; 74. Gear one; 75. Motor; 76. Gear two; 8. Receiving assembly; 81. Connecting plate; 82. Bolt; 83. Slanted channel box; 84. Acrylic baffle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will be described below based on its overall structure.

[0022] Reference Figures 1 to 5 In this embodiment of the present invention, an ejection mechanism for a die stamping machine includes: a stamping machine body 1, an integral support frame that supports all functional components and provides a basic platform for stamping operations, a hydraulic cylinder 2 fixedly connected to one end of the top of the stamping machine body 1, an upper template 3 fixedly connected to the movable end of the hydraulic cylinder 2, and the hydraulic cylinder 2 driving the upper template 3 to move up and down as the core power source to realize the application and reset of the stamping action. A lower die 4 is fixedly connected to the middle of the worktable of the stamping machine body 1, serving as the upper part of the stamping forming die. An ejection assembly 5 is provided inside the stamping machine body 1 and on the inner side of the lower die 4. An upper die core 6 is fixedly connected to the middle of the bottom of the upper template 3, serving as the lower part of the stamping forming die. A pusher assembly 7 is provided on the outer side of the upper template 3, and a receiving assembly 8 is provided on the front of the worktable of the stamping machine body 1.

[0023] Reference Figures 1 to 3 The ejector assembly 5 includes a mold core block 51, a through-hole 52, and a bottom frame 53. The mold core block 51 is vertically slidably connected to the inside of the lower mold 4. The through-hole 52 is opened at one end inside the mold core block 51. The bottom frame 53 is fixedly connected to the bottom of the mold core block 51. The assembly also includes a box base 54, a vacuum pump 55, and a vacuum suction cup 56. The box base 54 is fixedly connected to the bottom of the bottom frame 53. The vacuum pump 55 is fixedly connected inside the box base 54. The vacuum suction cup 56 is fixedly connected to the middle of the bottom of the mold core block 51. A bottom push plate 57 and a cylinder 58 are also included. The bottom push plate 57 is fixedly connected to the bottom of the box base 54. The cylinder 58 is fixedly connected inside the stamping machine body 1. Multiple sets of through-holes 52 are provided. The vacuum pump 55 and the vacuum suction cup 56 are connected by a pipe. The cylinder 58... The movable end is fixedly connected to the bottom push plate 57. After the stamping is completed, the hydraulic cylinder 2 drives the upper template 3 and the upper mold core 6 to reset upward. At this time, the cylinder 58 pushes the bottom push plate 57 to move upward, thereby driving the box seat 54 and the mold core bottom block 51 to slide upward synchronously, lifting the formed workpiece from the lower mold 4. During the process, the vacuum pump 55 is started, and the vacuum suction cup 56 generates suction through the pipeline. Then, the formed workpiece is adsorbed onto the mold core bottom block 51 through multiple sets of through air holes 52. In this way, the vibration generated during the ejection of the formed workpiece is avoided, and the ejection action is ensured to be smooth and reliable. The vacuum adsorption and ejection action are coordinated to prevent the workpiece from warping due to uneven force during the process of leaving the mold, and to ensure the shape accuracy of the stamped workpiece.

[0024] Reference Figure 1 , Figure 2 and Figure 4The material pushing assembly 7 includes a rotating shaft 71, a U-shaped rod 72, and a rubber sleeve 73. The rotating shaft 71 is rotatably connected to one side of the upper template 3. The U-shaped rod 72 is fixedly connected to one end of the outer side of the rotating shaft 71, and the rubber sleeve 73 is fixedly connected to the middle of the outer side of the U-shaped rod 72. It also includes a gear 1 74, a motor 75, and a gear 2 76. The gear 1 74 is fixedly connected to the other end of the outer side of the rotating shaft 71. The motor 75 is fixedly connected to one side above the upper template 3, and the gear 2 76 is fixedly connected to the output end of the motor 75. Two sets of rotating shafts 71 are provided, with the other set located outside the upper template 3. On the other side of the part, the other end of the U-shaped rod 72 is fixedly connected to another set of rotating shafts 71. Gear 1 74 and gear 2 76 mesh with each other. When the workpiece is ejected to a certain height, the motor 75 drives gear 2 76 to rotate. Through the meshing of the gears, gear 1 74 and rotating shaft 71 are driven to rotate, so that the U-shaped rod 72 rotates downward around the rotating shaft 71. After the rubber sleeve 73 on the outside of the U-shaped rod 72 contacts the workpiece, it pushes the workpiece diagonally forward from the ejection assembly. This can avoid the workers from directly contacting the formed workpiece and significantly improve the safety of operation.

[0025] Reference Figure 1 and Figure 5 The receiving assembly 8 includes a connecting plate 81 and bolts 82. The connecting plate 81 is located on the front of the worktable of the stamping machine body 1, and the bolts 82 are located at one end of the front of the connecting plate 81. It also includes an inclined channel box 83 and an acrylic baffle 84. The inclined channel box 83 is fixedly connected to the top of the connecting plate 81, and the acrylic baffle 84 is fixedly connected to the top of the inclined channel box 83. Multiple sets of bolts 82 are provided, with the other end of each bolt passing through the connecting plate 81 and fixedly connected to the stamping machine body 1. The ejected workpiece falls into the inclined channel box 83 of the receiving assembly 8 under gravity, sliding down along the inclined angle of the inclined channel box 83 to complete collection. This reduces the problem of messy workpiece accumulation, facilitates subsequent centralized processing, and indirectly improves the overall efficiency of the production line. The acrylic baffle 84 prevents debris from flying out during stamping and allows operators to clearly observe the internal working status, combining protection and monitoring.

[0026] The working principle of this utility model is as follows: During use, the hydraulic cylinder 2 pushes the upper template 3 and the bottom upper mold core 6 downward to press and form the material placed in the lower mold 4. The mold core bottom block 51 in the ejector assembly 5 serves as the forming support part of the lower mold 4, and cooperates with the upper mold core 6 to complete the stamping process of the workpiece. After the stamping is completed, the hydraulic cylinder 2 drives the upper template 3 and the upper mold core 6 to return to their original position. At this time, the cylinder 58 pushes the bottom push plate 57 upward, which in turn drives the box base 54 and the mold core bottom block 51 to slide upward synchronously, lifting the formed workpiece from the lower mold 4. During the process, the vacuum pump 55 is started, and the vacuum suction cup 56 generates suction through the pipeline. Then, the formed workpiece is adsorbed onto the mold core bottom block 51 through multiple sets of through air holes 52. In this way, the vibration generated during the ejection of the formed workpiece is avoided, ensuring that the ejection action is stable and reliable. The vacuum adsorption and ejection action are coordinated, which can prevent the workpiece from falling off due to vibration. During the process of ejecting the workpiece from the mold, uneven force causes warping, ensuring the shape accuracy of the workpiece after stamping. When the workpiece is ejected to a certain height, the motor 75 drives the gear 76 to rotate, which in turn drives the gear 74 and the rotating shaft 71 to rotate. This causes the U-shaped rod 72 to rotate downward around the rotating shaft 71. After the rubber sleeve 73 on the outside of the U-shaped rod 72 contacts the workpiece, it pushes the workpiece diagonally forward from the ejection assembly. This avoids direct contact between the operator and the formed workpiece, significantly improving operational safety. The ejected workpiece falls into the inclined channel box 83 of the receiving assembly 8 under the action of gravity, and slides down along the inclined angle of the inclined channel box 83 to complete the collection. This reduces the problem of workpiece accumulation and mess, facilitates subsequent centralized processing, and indirectly improves the overall efficiency of the production line. The acrylic baffle 84 can prevent debris from flying out during stamping and also allows the operator to clearly observe the internal working status, combining protection and monitoring.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An ejection mechanism for a die stamping machine, characterized in that, include: A stamping machine body (1) is provided with a hydraulic cylinder (2) fixedly connected to one end of the top of the stamping machine body (1), an upper template (3) fixedly connected to the movable end of the hydraulic cylinder (2), a lower mold (4) fixedly connected to the middle of the worktable of the stamping machine body (1), an ejection assembly (5) is provided inside the stamping machine body (1) and the inner side of the lower mold (4), an upper mold core (6) is fixedly connected to the middle of the bottom of the upper template (3), a pusher assembly (7) is provided on the outer side of the upper template (3), and a receiving assembly (8) is provided on the front of the worktable of the stamping machine body (1).

2. The ejection mechanism of a die stamping machine according to claim 1, characterized in that, The ejection assembly (5) includes: a mold core block (51), a through-hole (52), and a bottom frame (53). The mold core block (51) is vertically slidably connected to the inner side of the lower mold (4). The through-hole (52) is opened at one end inside the mold core block (51). The bottom frame (53) is fixedly connected to the bottom of the mold core block (51). A box seat (54), a vacuum pump (55), and a vacuum suction cup (56) are also included. The box seat (54) is fixedly connected to the bottom of the bottom frame (53). The vacuum pump (55) is fixedly connected to the inside of the box seat (54). The vacuum suction cup (56) is fixedly connected to the middle of the bottom of the mold core block (51). A bottom push plate (57) and a cylinder (58) are also included. The bottom push plate (57) is fixedly connected to the bottom of the box seat (54). The cylinder (58) is fixedly connected to the inside of the stamping machine body (1).

3. The ejection mechanism of a die stamping machine according to claim 1, characterized in that, The feeding assembly (7) includes: a rotating shaft (71), a U-shaped rod (72) and a rubber sleeve (73). The rotating shaft (71) is rotatably connected to one side of the upper template (3). The U-shaped rod (72) is fixedly connected to one end of the rotating shaft (71) and the rubber sleeve (73) is fixedly connected to the middle of the outer side of the U-shaped rod (72). Gear 1 (74), motor (75) and gear 2 (76) are also included. Gear 1 (74) is fixedly connected to the other end of the rotating shaft (71). The motor (75) is fixedly connected to one side above the upper template (3) and gear 2 (76) is fixedly connected to the output end of the motor (75).

4. The ejection mechanism of a die stamping machine according to claim 1, characterized in that, The receiving assembly (8) includes: a connecting plate (81) and a bolt (82), wherein the connecting plate (81) is disposed on the front of the worktable of the stamping machine body (1), and the bolt (82) is disposed on one end of the front of the connecting plate (81); an inclined channel box (83) and an acrylic baffle (84), wherein the inclined channel box (83) is fixedly connected to the top of the connecting plate (81), and the acrylic baffle (84) is fixedly connected to the top of the inclined channel box (83).

5. The ejection mechanism of a die stamping machine according to claim 2, characterized in that, The number of through-holes (52) is provided in multiple sets. The vacuum pump (55) and the vacuum suction cup (56) are connected by a pipe. The movable end of the cylinder (58) is fixedly connected to the bottom push plate (57).

6. The ejection mechanism of a die stamping machine according to claim 3, characterized in that, The number of the rotating shafts (71) is provided in two sets. The other set of rotating shafts (71) is located on the other side outside the upper template (3). The other end of the U-shaped rod (72) is fixedly connected to the other set of rotating shafts (71). The first gear (74) and the second gear (76) mesh with each other.

7. The ejection mechanism of a die stamping machine according to claim 4, characterized in that, The bolts (82) are provided in multiple sets, and the other end of the bolts (82) passes through the connecting plate (81) and is fixedly connected to the stamping machine body (1).

Images