A metal can body stamping die forming device facilitating demolding

Abstract

The utility model discloses a metal tank body punch press die forming device convenient to demould, including work table, the top of work table is installed with the top plate, the top of top plate is installed with hydraulic push rod, and the output rod of hydraulic push rod is fixedly installed punch head and is passed through top plate, and the top of work table swing installation has two movable dies, and the both ends of work table top are all fixedly installed with the cylinder, and the output rod of cylinder fixedly connects the outer wall of movable die, and the cavity of movable die is installed with the ejection mechanism between work table, and the transmission mechanism is installed between one movable die and the bottom of work table, and transmission mechanism connects the ejection mechanism, when the movable die is closed and is pushed by the cylinder, transmission mechanism linkage drives the ejection mechanism to drop first, then the movable die clamps the ejection mechanism and forms the complete cavity, and it is convenient for hydraulic push rod to drive punch head to go down and stamp, after stamping, punch head goes up, and cylinder drives movable die to open, and ejection mechanism linkage rises, thereby the tank body of stamping is ejected, and it is convenient to take out.

Description

Technical Field

[0001] This utility model relates to the field of metal can processing technology, and in particular to a metal can stamping die forming device that facilitates demolding. Background Technology

[0002] In the production and processing of metal cans, stamping is a crucial step. It mainly involves extruding and shaping metal sheets using stamping dies to obtain the desired shape of the metal can semi-finished or finished product. However, existing metal can stamping die forming devices generally suffer from difficulties in demolding during actual use. Because the metal sheet fits tightly into the mold cavity during the stamping process, the formed metal can is tightly stuck inside the mold cavity. Workers usually need to use additional tools to manually pry the metal can out of the mold. This is not only cumbersome, time-consuming, and labor-intensive, reducing production efficiency, but also easily causes scratches, deformation, and other damage to the surface of the metal can during the prying process, affecting product quality. In addition, manual demolding also poses certain safety hazards and may cause hand injuries to workers. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a metal can stamping die forming device that facilitates demolding.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A metal can stamping die forming device for easy demolding includes a worktable. A top plate is mounted on the top of the worktable via a support rod. A hydraulic push rod is fixedly mounted on the top of the top plate. The output rod of the hydraulic push rod passes through the top plate and is fixedly mounted on a stamping head. Two movable dies are movably mounted on the top of the worktable, and cylinders are fixedly mounted at both ends of the top of the worktable. The output rods of the cylinders are fixedly connected to the outer wall of the movable dies. An ejection mechanism is installed between the cavity of the movable die and the worktable. A transmission mechanism is installed between one of the movable dies and the bottom of the worktable, and the transmission mechanism is connected to the ejection mechanism.

[0005] Preferably, the ejection mechanism includes a slide groove, the middle of the worktable has a slide groove, a sliding seat is slidably engaged in the slide groove, a top block is fixedly installed on the top of the sliding seat, a fixed plate is fixedly installed on the bottom of the worktable, a rotating cylinder is rotatably sleeved on the fixed plate, the bottom of the rotating cylinder is connected to a transmission mechanism, the top of the rotating cylinder is rotatably engaged in the inner cavity of the sliding seat, a long spiral groove is opened on the outer circumference of the rotating cylinder, a push-pull rod is fixedly installed on the inner wall of the sliding seat, and the push-pull rod is slidably engaged in the long spiral groove.

[0006] Preferably, the bottom of the movable mold has a stepped groove, which is adapted to the top of the sliding seat and the top block. The top surface of the top block and the bottom of the inner cavity of the movable mold are spherical structures that are adapted to each other. The top of the outer walls on both sides of the sliding seat have slots, and the inner wall of the stepped groove is fixedly installed with a plug.

[0007] Preferably, a ring tube is fixedly sleeved inside the top block, and multiple atomizing nozzles are fixedly embedded in both outer walls of the top block. Each atomizing nozzle is fixedly connected to the ring tube. A feeding tube is fixedly sleeved on one side of the sliding seat, and one end of the feeding tube is fixedly connected to the ring tube. A micro switch is fixedly installed on the top of the worktable.

[0008] Preferably, the transmission mechanism includes a transmission shaft, which is rotatably sleeved on the fixed plate. One end of the transmission shaft is fitted with a bevel gear that meshes with the bottom of the rotating drum, and the other end of the transmission shaft is fixedly sleeved with an incomplete gear. A connecting plate is fixedly connected to the bottom of one of the movable molds. The connecting plate slides through the worktable. A groove is opened on the connecting plate, and a rack that matches the tooth segment of the incomplete gear is fixedly installed in the groove. The top of the connecting plates on both sides of the groove forms a stop surface.

[0009] Preferably, the tooth height of the rack is greater than the depth of the groove, and the vertical distance from the axis of the drive shaft to the line connecting the tooth tips on both sides of the toothless section of the incomplete gear is equal to the vertical distance from the axis of the drive shaft to the stop surface.

[0010] The present invention provides a metal can stamping die forming device that facilitates demolding, the advantages of which are as follows: When the cylinder pushes the movable mold to close, the transmission mechanism drives the ejector mechanism to descend first. Then, the movable mold clamps the ejector mechanism to form a complete cavity, which makes it easy for the hydraulic push rod to drive the stamping head to move down for stamping. After stamping, the stamping head moves up, the cylinder drives the movable mold to open, and the ejector mechanism moves up in conjunction to push out the stamped can body for easy removal. When the movable mold closes, the ejection mechanism sprays a release agent onto the inner wall of the movable mold. This release agent prevents the metal can from sticking to the movable mold after stamping, and facilitates the subsequent separation of the movable mold from the can. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of a metal can stamping die forming device that facilitates demolding, as proposed in this utility model. Figure 2 This is a partial cross-sectional structural diagram of the ejection mechanism proposed in this utility model; Figure 3 The present utility model proposes Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 The present utility model proposes Figure 2 Enlarged structural diagram at point B; In the diagram: 1. Workbench; 2. Top plate; 3. Hydraulic push rod; 4. Movable mold; 5. Cylinder; 6. Ejection mechanism; 61. Slide groove; 62. Sliding seat; 63. Top block; 64. Fixed plate; 65. Rotary drum; 66. Long spiral groove; 67. Push-pull rod; 68. Slot; 69. Stepped groove; 610. Insert block; 7. Transmission mechanism; 71. Transmission shaft; 72. Bevel gear; 73. Incomplete gear; 74. Connecting plate; 75. Groove; 76. Rack; 77. Stop surface; 8. Ring pipe; 9. Atomizing nozzle; 10. Feed pipe; 11. Micro switch. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0013] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship 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.

[0014] Reference Figure 1 and Figure 2 This application provides a metal can stamping die forming device for easy demolding, including a worktable 1. A top plate 2 is installed on the top of the worktable 1 via a support rod. A hydraulic push rod 3 is fixedly installed on the top of the top plate 2. The output rod of the hydraulic push rod 3 passes through the top plate 2 and is fixedly installed with a stamping head. Two movable molds 4 are movably installed on the top of the worktable 1, and cylinders 5 are fixedly installed at both ends of the top of the worktable 1. The output rod of the cylinder 5 is fixedly connected to the outer wall of the movable mold 4. An ejection mechanism 6 is installed between the cavity of the movable mold 4 and the worktable 1. A transmission mechanism 7 is installed between one movable mold 4 and the bottom of the worktable 1. The transmission mechanism 7 is connected to the ejection mechanism 6. When the cylinder 5 pushes the movable mold 4 to close, the transmission mechanism 7 drives the ejection mechanism 6 to descend first. Then, the movable mold 4 clamps the ejection mechanism 6 to form a complete cavity, which facilitates the hydraulic push rod 3 to drive the stamping head to move down for stamping. After stamping, the stamping head moves up, the cylinder 5 drives the movable mold 4 to open, and the ejection mechanism 6 moves up in conjunction, thereby ejecting the stamped can for easy removal.

[0015] Reference Figure 2 and Figure 3The ejection mechanism 6 includes a slide groove 61. A slide groove 61 is formed in the middle of the worktable 1. A sliding seat 62 is slidably engaged within the slide groove 61. A top block 63 is fixedly installed on the top of the sliding seat 62. A fixing plate 64 is fixedly installed on the bottom of the worktable 1. A rotating cylinder 65 is rotatably sleeved on the fixing plate 64. The bottom of the rotating cylinder 65 is connected to a transmission mechanism 7. The top of the rotating cylinder 65 is rotatably engaged with the inner cavity of the sliding seat 62. A long spiral groove 66 is formed on the outer circumference of the rotating cylinder 65. A fixed spiral groove 66 is formed on the inner wall of the sliding seat 62. Equipped with a push-pull rod 67, which slides and engages with a long spiral groove 66, when the movable mold 4 is closed, the transmission mechanism 7 drives the rotating drum 65 to rotate. The long spiral groove 66 then pulls the push-pull rod 67, causing the sliding seat 62 and the top block 63 to move downwards, making it easier for the movable mold 4 to engage with the top block 63 to form a complete cavity. After stamping, the movable mold 4 is opened, and the transmission mechanism 7 synchronously drives the rotating drum 65 to rotate. The long spiral groove 66 then drives the push-pull rod 67 to move upwards, and the top block 63 pushes out the metal can, making it easy to demold and remove.

[0016] Reference Figure 3 The bottom of the movable mold 4 has a stepped groove 69, which is adapted to the top of the sliding seat 62 and the top block 63. The top surface of the top block 63 is a spherical structure adapted to the bottom of the inner cavity of the movable mold 4. The top of the outer walls on both sides of the sliding seat 62 has slots 68. The inner wall of the stepped groove 69 is fixedly installed with a plug 610. When the sliding seat 62 and the top block 63 move down and the movable mold 4 continues to move and close, the plug 610 is inserted into the slot 68 to ensure the locking of the top block 63 during stamping.

[0017] Reference Figure 3 A ring tube 8 is fixedly sleeved inside the top block 63. Multiple atomizing nozzles 9 are fixedly embedded in both outer walls of the top block 63. The atomizing nozzles 9 are all fixedly connected to the ring tube 8. A feeding pipe 10 is fixedly sleeved on one side of the sliding seat 62. One end of the feeding pipe 10 is fixedly connected to the ring tube 8. A micro switch 11 is fixedly installed on the top of the worktable 1. The feeding pipe 10 is connected to the feeding pump through a hose. The feeding pump is connected to the mold release agent storage tank through a suction pipe. When the movable mold 4 is closed, it contacts the micro switch 11, thereby causing the feeding pump to draw and deliver the mold release agent. The mold release agent is sprayed along the feeding pipe 10, the ring tube 8 and the atomizing nozzles 9 into the inner cavity of the two movable molds 4. Thus, after the mold is closed, the inner wall of the cavity is protected from the metal can sticking to the movable mold 4 after the metal can is stamped by the mold release agent, and it is easy for the movable mold 4 to separate from the can in the future.

[0018] Reference Figure 2 and Figure 4The transmission mechanism 7 includes a transmission shaft 71, which is rotatably sleeved on a fixed plate 64. One end of the transmission shaft 71 is fitted with a bevel gear 72 that meshes with the bottom of the rotating drum 65. The other end of the transmission shaft 71 is fixedly sleeved with an incomplete gear 73. A connecting plate 74 is fixedly connected to the bottom of a movable mold 4. The connecting plate 74 slides through the worktable 1. A groove 75 is opened on the connecting plate 74. A rack 76 that matches the tooth section of the incomplete gear 73 is fixedly installed in the groove 75. The top of the connecting plates 74 on both sides of the groove 75 forms a stop surface 77. The tooth height of the rack 76 is greater than the depth of the groove 75. The vertical distance from the axis of the transmission shaft 71 to the line connecting the tooth tips on both sides of the toothless section of the incomplete gear 73 is equal to the vertical distance from the axis of the transmission shaft 71 to the stop surface 77. When the movable mold 4 just begins to move and close, the stop surface 77 at one end of the connecting plate 74 is in contact with the teeth at both ends of the toothless section of the incomplete gear 73. Without rotating, the top block 63 is at its highest position. The movable mold 4 will first trigger the micro switch 11, thereby spraying the release agent onto the inner wall of the movable mold 4. Then, the movable mold 4 continues to move, and the rack 76 disengages from the teeth of the incomplete gear 73, thereby pushing the incomplete gear 73 to rotate. The rotating cylinder 65 rotates, causing the top block 63 to move down. When the rack 76 separates from the teeth of the incomplete gear 73, the top block 63 descends to its lowest point. At this time, the stop surface 77 at the other end of the connecting plate 74 engages with the teeth at both ends of the toothless section of the incomplete gear 73, thereby locking the incomplete gear 73 again. The top block 63 remains stationary after descending to its lowest point. The movable mold 4 continues to move to complete closure, making it easy for the insert block 610 to insert into the slot 68 to form a complete cavity, which is convenient for stamping. After stamping, the cylinder 5 drives the movable mold 4 to separate part first, and then the rack 76 contacts the teeth of the incomplete gear 73 again. The top block 63 pushes the can out, achieving rapid demolding and making it easy to remove the can.

[0019] Working principle: When the cylinder 5 pushes the movable mold 4 to close, the stop surface 77 at one end of the connecting plate 74 engages with the teeth at both ends of the toothless section of the incomplete gear 73. The incomplete gear 73 does not rotate. At this time, the top block 63 is at its highest position. The movable mold 4 will first trigger the micro switch 11, thereby spraying the release agent onto the inner wall of the movable mold 4. Then, the movable mold 4 continues to move, and the rack 76 disengages from the teeth of the incomplete gear 73, thereby pushing the incomplete gear 73 to rotate. The rotating drum 65 then rotates, causing the top block 63 to move downward. After the rack 76 separates from the teeth of the incomplete gear 73, When the top block 63 descends to its lowest point, the stop surface 77 at the other end of the connecting plate 74 engages with the teeth at both ends of the toothless section of the incomplete gear 73, thereby locking the incomplete gear 73 again. After the top block 63 descends to its lowest point, it remains stationary, and the movable mold 4 continues to move to complete closure, making it easy for the insert block 610 to insert into the slot 68 to form a complete cavity, which is convenient for stamping. After stamping, the cylinder 5 drives the movable mold 4 to separate part first, and then the rack 76 contacts the teeth of the incomplete gear 73 again. The top block 63 pushes the can out, achieving rapid demolding and making it easy to remove the can.

[0020] 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. A metal can stamping die forming device for easy demolding, comprising a worktable (1), characterized in that, The top of the workbench (1) is fitted with a top plate (2) by a support rod. A hydraulic push rod (3) is fixedly installed on the top of the top plate (2). The output rod of the hydraulic push rod (3) passes through the top plate (2) and is fixedly installed with a punch head. Two movable molds (4) are movably installed on the top of the workbench (1). Cylinders (5) are fixedly installed at both ends of the top of the workbench (1). The output rod of the cylinder (5) is fixedly connected to the outer wall of the movable mold (4). An ejection mechanism (6) is installed between the cavity of the movable mold (4) and the workbench (1). A transmission mechanism (7) is installed between one of the movable molds (4) and the bottom of the workbench (1). The transmission mechanism (7) is connected to the ejection mechanism (6).

2. The metal can stamping die forming device for easy demolding according to claim 1, characterized in that, The ejection mechanism (6) includes a slide groove (61). The middle part of the worktable (1) has a slide groove (61). A sliding seat (62) is slidably engaged in the slide groove (61). A top block (63) is fixedly installed on the top of the sliding seat (62). A fixing plate (64) is fixedly installed on the bottom of the worktable (1). A rotating cylinder (65) is rotatably sleeved on the fixing plate (64). The bottom of the rotating cylinder (65) is connected to a transmission mechanism (7). The top of the rotating cylinder (65) is rotatably engaged in the inner cavity of the sliding seat (62). A long spiral groove (66) is opened on the outer circumference of the rotating cylinder (65). A push-pull rod (67) is fixedly installed on the inner wall of the sliding seat (62). The push-pull rod (67) is slidably engaged in the long spiral groove (66).

3. The metal can stamping die forming device for easy demolding according to claim 2, characterized in that, The bottom of the movable mold (4) has a stepped groove (69), which is adapted to the top of the sliding seat (62) and the top block (63). The top surface of the top block (63) is a spherical structure adapted to the bottom of the inner cavity of the movable mold (4). The top of the outer walls on both sides of the sliding seat (62) has slots (68), and the inner wall of the stepped groove (69) is fixedly installed with a plug (610).

4. The metal can stamping die forming device for easy demolding according to claim 2, characterized in that, The top block (63) is fixedly fitted with a ring tube (8), and multiple atomizing nozzles (9) are fixedly embedded in both outer walls of the top block (63). The atomizing nozzles (9) are all fixedly connected to the ring tubes (8). A feeding tube (10) is fixedly fitted on one side of the sliding seat (62), and one end of the feeding tube (10) is fixedly connected to the ring tube (8). A micro switch (11) is fixedly installed on the top of the workbench (1).

5. The metal can stamping die forming device for easy demolding according to claim 2, characterized in that, The transmission mechanism (7) includes a transmission shaft (71), which is rotatably sleeved on the fixed plate (64). One end of the transmission shaft (71) is fitted with a bevel gear (72) that meshes with the bottom of the rotating drum (65). The other end of the transmission shaft (71) is fixedly sleeved with an incomplete gear (73). A connecting plate (74) is fixedly connected to the bottom of one of the movable molds (4). The connecting plate (74) slides through the worktable (1). A groove (75) is opened on the connecting plate (74). A rack (76) that matches the tooth section of the incomplete gear (73) is fixedly installed in the groove (75). A stop surface (77) is formed on the top of the connecting plates (74) on both sides of the groove (75).

6. The metal can stamping die forming device for easy demolding according to claim 5, characterized in that, The tooth height of the rack (76) is greater than the depth of the groove (75), and the vertical distance from the axis of the drive shaft (71) to the line connecting the tooth tips on both sides of the toothless section of the incomplete gear (73) is equal to the vertical distance from the axis of the drive shaft (71) to the stop surface (77).

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