Punching machine

Abstract

The utility model belongs to the technical field of punching machines, and particularly relates to a punching machine which comprises a machine frame provided with a machining table, a punch is installed on the machine frame, a sliding assembly is arranged on the machining table and connected with a punching die in a sliding mode, the punching die comprises a die plate and a supporting frame used for supporting the die plate, and meanwhile a linkage mechanism is installed in the machine frame and used for pushing the punch when the punch presses downwards. When the punch ascends, the stamping die moves towards the side close to the punch, and when the punch ascends, the stamping die moves towards the side away from the punch; the stamping die moves in place earlier than the punch, and when the punch and the stamping die are matched for stamping, the supporting frame abuts against the machining table. The stamping die is connected to the machining table in a sliding mode, when the punch is pressed downwards or ascends through the linkage mechanism, the stamping die moves towards the side close to the punch or moves towards the side away from the punch, feeding below the punch is avoided, the safety during feeding is effectively improved, meanwhile, the stamping stability is improved through the supporting frame, and the production efficiency is improved. The stamping die moves in place earlier than the punch, and the stamping precision can be guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of punch press technology, and in particular relates to a punch press. Background Technology

[0002] A punch press is a type of mechanical equipment used in industrial production. It is mainly used for forming metal sheets or punching holes in metal sheets. It works by driving a punch to press down and cooperating with a stamping die to plastically deform the metal sheet or form the required hole. It has a wide range of applications in automobile manufacturing, electrical and electronic product manufacturing, aerospace and other fields.

[0003] Currently, the stamping dies of punch presses on the market are usually fixed, and the punch is located directly above the stamping die. This makes the area between the punch and the die the most dangerous part of punch press operation. When the operator's hand or other body parts accidentally enter between the punch and the die, serious injuries such as pinching and cutting can easily occur, resulting in poor safety. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a punch press that allows the stamping die to move, with the die positioned on the outside during loading. As the punch moves downward, the stamping die is then driven to move directly below the punch, effectively improving safety.

[0005] In view of this, the present invention provides a punch press, comprising:

[0006] The frame is equipped with a worktable;

[0007] The punch is mounted on the frame and is equipped with a drive mechanism to move the punch closer to or away from the worktable;

[0008] A stamping die is provided with a sliding assembly that is slidably connected to a worktable, and includes a template and a support frame for supporting the template;

[0009] The linkage mechanism is installed inside the frame and is used to move the stamping die closer to the punch when the punch is pressed down and to move the stamping die away from the punch when the punch is raised.

[0010] In this process, the stamping die moves into position before the punch, and when the punch and the stamping die work together to stamp, the support frame abuts against the worktable.

[0011] In the above technical solution, the linkage mechanism further includes:

[0012] The transmission device is installed inside the frame and is used to drive the stamping die to move when the punch moves;

[0013] A connecting component, mounted on a worktable, used for connecting the transmission device and the stamping die;

[0014] A limiting component is mounted on the worktable and is used to limit the movement of the stamping die after it has been moved into place.

[0015] The connecting component includes a tension structure and is used to continue the operation of the transmission device after the stamping die has been moved into place.

[0016] In the above technical solution, the transmission device further includes:

[0017] The first rack is vertically mounted on the side of the punch;

[0018] The transmission components are installed inside the frame;

[0019] The second rack is horizontally installed on the side of the stamping die;

[0020] The transmission components are connected to the first rack and the second rack respectively.

[0021] In the above technical solution, the transmission component further includes:

[0022] The first gear shaft is mounted inside the frame by means of a first bracket;

[0023] The first gear is sleeved on the first gear shaft and meshes with the first rack;

[0024] The first sprocket is fitted onto the first gear shaft;

[0025] The second gear shaft is mounted inside the frame by setting a second bracket;

[0026] The second gear is sleeved on the second gear shaft and meshes with the second rack;

[0027] The second sprocket is fitted onto the second gear shaft;

[0028] A chain is fitted onto the first sprocket and the second sprocket, and is used for the transmission connection between the first sprocket and the second sprocket.

[0029] In the above technical solution, the connecting component further includes:

[0030] The first clamping plate is installed on the side of one side of the stamping die and is connected to the second rack;

[0031] The second clamping plate is installed on the side of the stamping die on the other side;

[0032] The tension structure is connected between the first clamping plate and the second clamping plate.

[0033] In the above technical solution, the tension structure further includes:

[0034] The cylinder is connected to the surface of the first clamping plate near the second clamping plate;

[0035] A round rod is slidably connected inside the cylinder;

[0036] The first elastic element is installed inside the cylinder, and its two ends are connected to the round rod and the first clamping plate, respectively.

[0037] In the above technical solution, the limiting component further includes:

[0038] The stop block is installed on the worktable and located on the moving path of the stamping die;

[0039] There are two stops, which are located on the two sides of the second rack respectively.

[0040] In the above technical solution, the stamping die further includes:

[0041] Connecting plate, mounted on the sliding assembly;

[0042] A cylinder is mounted on the connecting plate, and the support frame has countersunk holes that fit the cylinder.

[0043] The second elastic element is installed inside the countersunk hole.

[0044] The beneficial effects of this utility model are as follows:

[0045] 1. By using a sliding component to connect the stamping die to the worktable, and through a linkage mechanism, when the punch is pressed down, the stamping die moves closer to the punch, and when the punch is raised, the stamping die moves away from the punch, thus avoiding material feeding under the punch and effectively improving the safety of material feeding. At the same time, the support frame can effectively improve the support effect of the punch and the stamping die after they are engaged, improve the stamping stability, and the stamping die moves into place before the punch, which can help ensure stamping accuracy.

[0046] 2. By setting the limiting component, the accuracy of the fit between the punch and the stamping die is further ensured. The connecting component includes a tensioning structure, which makes it easy to set the stamping die to move into position before the punch. After the stamping die moves into position, it is easy for the transmission device to continue to operate, avoiding any impact on the downward pressing of the punch and ensuring the operation of the punch press.

[0047] 3. By using racks, gears, sprockets, and chains, it is easier to drive the horizontal movement of the stamping die when the punch is pressed down, thereby improving the linkage effect between the punch and the stamping die and improving the stability of the linkage;

[0048] 4. By setting up a cylinder and a second elastic element, and opening a countersunk hole on the support frame, the support frame can be moved down first after the punch abuts against the workpiece on the template until the support frame abuts against the worktable, and then the metal plate is shaped or punched, thereby improving the stability and structural strength during stamping. Attached Figure Description

[0049] Figure 1 This is a schematic diagram of the structure of this utility model;

[0050] Figure 2 This is a utility model Figure 1 Enlarged view of point A in the middle;

[0051] Figure 3 This is a front view of the present invention;

[0052] Figure 4 This is a utility model Figure 3 Sectional view at point BB;

[0053] Figure 5 This is a utility model Figure 4 Enlarged view of point C in the middle;

[0054] The markings in the diagram represent: 1. Frame; 2. Workbench; 3. Punch; 4. Drive mechanism; 5. Stamping die; 50. Template; 51. Support frame; 52. Connecting plate; 53. Cylinder; 54. Countersunk hole; 55. Second elastic element; 6. Sliding assembly; 7. Linkage mechanism; 70. Transmission device; 700. First rack; 701. Second rack; 702. First gear shaft; 703. First bracket; 704. First gear; 705. First sprocket; 706. Second gear shaft; 707. Second bracket; 708. Second gear; 709. Second sprocket; 710. Chain; 72. Connecting assembly; 720. First clamping plate; 721. Second clamping plate; 722. Cylinder; 723. Round rod; 724. First elastic element; 73. Stop block. Detailed Implementation

[0055] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0056] Example 1:

[0057] This embodiment provides a punch press, including:

[0058] Frame 1, with workbench 2 mounted on it;

[0059] Punch 3 is mounted on frame 1 and is equipped with drive mechanism 4 for driving punch 3 to move closer to or away from worktable 2;

[0060] The stamping die 5 is provided with a sliding component 6 that is slidably connected to the worktable 2, and includes a template 50 and a support frame 51 for supporting the template 50;

[0061] The linkage mechanism 7 is installed inside the frame 1 and is used to move the stamping die 5 closer to the punch 3 when the punch 3 is pressed down, and to move the stamping die 5 away from the punch 3 when the punch 3 is raised.

[0062] Among them, the stamping die 5 moves into place before the punch 3, and when the punch 3 and the stamping die 5 cooperate to stamp, the support frame 51 abuts against the worktable 2, and the sliding component 6 can be a slider and a slide rail.

[0063] Meanwhile, the drive mechanism 4, punch 3 and frame 1 are also equipped with electrical devices for controlling the operation of the drive mechanism 4. These are all existing mature technologies, which can be learned by those skilled in the art from traditional punch presses, and will not be elaborated here.

[0064] As can be seen from this embodiment, by using a sliding component 6 to slide the stamping die 5 onto the worktable 2, and by using a linkage mechanism 7 to make the stamping die 5 move closer to the punch 3 when the punch 3 is pressed down, and move further away from the punch 3 when the punch 3 is raised, the material is avoided from being loaded under the punch 3, thereby effectively improving the safety of loading. At the same time, the support frame 51 can effectively improve the support effect of the punch 3 on the stamping die 5 after the punch 3 and the stamping die 5 are engaged, improve the stamping stability, and the stamping die 5 moves into place before the punch 3, which can help ensure the stamping accuracy.

[0065] Example 2:

[0066] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features, wherein the linkage mechanism 7 includes:

[0067] The transmission device 70 is installed inside the frame 1 and is used to drive the stamping die 5 to move when the punch 3 moves.

[0068] The connecting component 72 is mounted on the worktable 2 and is used to connect the transmission device 70 and the stamping die 5.

[0069] A limiting component is installed on the worktable 2 and is used to limit the movement of the stamping die 5 after it has moved into place;

[0070] The connecting component 72 includes a tension structure and is used for the continued operation of the transmission device 70 after the stamping die 5 has been moved into place.

[0071] As can be seen from this embodiment, the accuracy of the fit between the punch 3 and the stamping die 5 is further ensured by setting the limiting component;

[0072] Furthermore, the connecting component 72 includes a tension structure, which facilitates setting the stamping die 5 to move into position before the punch 3, and after the stamping die 5 moves into position, it facilitates the continued operation of the transmission device 70, avoids affecting the downward pressure of the punch 3, and ensures the operation of the punch press.

[0073] Example 3:

[0074] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the transmission device 70 includes:

[0075] The first rack 700 is vertically mounted on the side of the punch 3;

[0076] The transmission component is installed inside frame 1;

[0077] The second rack 701 is horizontally installed on the side of the stamping die 5;

[0078] The transmission components are respectively connected to the first rack 700 and the second rack 701;

[0079] Meanwhile, in order to improve the stability of the movement of the first rack 700 and the second rack 701 and to improve the transmission accuracy, a slide groove can be set in the frame 1 as needed.

[0080] As can be seen from this embodiment, by using a rack and pinion mechanism, the lifting and lowering movement of the punch 3 can effectively drive the horizontal movement of the stamping die 5, thereby enabling the stamping die 5 to move out of direct below the punch 3 for material loading, thus improving safety.

[0081] The sliding groove can improve the stability of the movement of the first rack 700 and the second rack 701.

[0082] Example 4:

[0083] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including a transmission component:

[0084] The first gear shaft 702 is installed in the frame 1 by setting the first bracket 703;

[0085] The first gear 704 is sleeved on the first gear shaft 702 and meshes with the first rack 700;

[0086] The first sprocket 705 is sleeved on the first gear shaft 702;

[0087] The second gear shaft 706 is installed in the frame 1 by means of a second bracket 707;

[0088] The second gear 708 is sleeved on the second gear shaft 706 and meshes with the second rack 701;

[0089] The second sprocket 709 is fitted onto the second gear shaft 706;

[0090] Chain 710 is sleeved on the first sprocket 705 and the second sprocket 709, and is used for the transmission connection between the first sprocket 705 and the second sprocket 709;

[0091] The first bracket 703 and the second bracket 707 are fixedly connected to the frame 1, which can be done by welding. The first gear shaft 702 and the second gear shaft 706 are connected to the first bracket 703 and the second bracket 707 respectively by bearings.

[0092] As can be seen from this embodiment, the first bracket 703 and the second bracket 707 facilitate the installation stability between the first gear shaft 702 and the second gear shaft 706. Furthermore, the meshing of the first gear 704 and the second gear 708 with the first rack 700 and the second rack 701 respectively converts linear movement into rotation, thereby facilitating the linkage between the punch 3 and the stamping die 5. Moreover, the arrangement of the first sprocket 705, the second sprocket 709, and the chain 710 enables the rotation of both to be synchronized, further facilitating the linkage between the punch 3 and the stamping die 5 and the stability of the power transmission.

[0093] In addition to using the first sprocket 705, the second sprocket 709 and the chain 710 to synchronize the rotation of the two, other methods such as synchronous pulleys and synchronous belts can also be used.

[0094] Example 5:

[0095] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the connecting component 72 further includes:

[0096] The first clamping plate 720 is installed on the side of one side of the stamping die 5 and is connected to the second rack 701;

[0097] The second clamping plate 721 is installed on the side of the other side of the stamping die 5;

[0098] The tension structure is connected between the first clamping plate 720 and the second clamping plate 721.

[0099] Meanwhile, the first clamping plate 720 and the first rack 700 can be welded together.

[0100] As can be seen from this embodiment, the arrangement of the first clamping plate 720 and the second clamping plate 721 facilitates the bidirectional pushing of the stamping die 5 by the movement of the second rack 701, which is to push the stamping die 5 in and out. At the same time, when the stamping die 5 moves in, the clamping of the second clamping plate 721 and the limiting component can improve the locking of the stamping die 5 after it reaches the predetermined position, thereby improving the stability of the punch 3 during stamping.

[0101] Example 6:

[0102] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including a stretching structure:

[0103] The cylinder 722 is connected to the surface of the first clamping plate 720 near the second clamping plate 721;

[0104] The round rod 723 is slidably connected inside the cylinder 722 and is connected to the surface of the second clamping plate 721 near the first clamping plate 720.

[0105] The first elastic element 724 is installed inside the cylinder 722, and its two ends are respectively connected to the round rod 723 and the first clamping plate 720;

[0106] The first elastic element 724 can be a spring, and the round rod 723 and the second clamping plate 721 and the cylinder 722 and the first clamping plate 720 can be welded. The fixed connection between the two ends of the spring and the round rod 723 and the first clamping plate 720 is prior art, which can be known by those skilled in the art from the traditional spring fixing method. This application does not limit it and will not elaborate further.

[0107] As can be seen from this embodiment, by using the first elastic element 724 in the tensioning structure, that is, when the stamping die 5 moves in, the second clamping plate 721 stops moving after the stamping die 5 has moved into place, but the punch 3 still needs to move down. That is, the first clamping plate 720 continues to move under the pull of the second rack 701, and stretches the first elastic element 724. This not only allows the first clamping plate 720 to continue moving, but also allows the second clamping plate 721 to apply force to the stamping die 5, ensuring the stability of the stamping die 5. Furthermore, by using the cylinder 722 and the round rod 723 to slide between the first clamping plate 720 and the second clamping plate 721, the stability of the movement of the first clamping plate 720 and the second clamping plate 721 when they are close to or far apart can be effectively improved.

[0108] Example 7:

[0109] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including a limiting component:

[0110] The stop block 73 is installed on the worktable 2 and is located on the moving path of the stamping die 5;

[0111] Two stop blocks 73 are provided, and they are located on the two sides of the second rack 701 respectively;

[0112] Meanwhile, the stop block 73 can be fastened to the worktable 2 with bolts. In order to ensure installation accuracy and convenience, as well as to ensure the matching accuracy between the stamping die 5 and the punch 3, the installation position of the stop block 73 is unique, that is, the position and the corresponding screw hole are determined when the worktable 2 is processed.

[0113] As can be seen from this embodiment, by using the stop block 73, the structure of the limiting component is kept simple. At the same time, the installation position of the stop block 73 is unique, which can effectively prevent the stop block 73 from shifting during use, improve the accuracy of the stamping die 5 moving into place, and ensure the cooperation between the stamping die 5 and the punch 3.

[0114] Example 8:

[0115] This embodiment provides a punch press, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the stamping die 5 further includes:

[0116] Connecting plate 52 is mounted on sliding assembly 6;

[0117] A cylinder 53 is mounted on a connecting plate 52, and a countersunk hole 54 adapted to the cylinder 53 is provided on the support frame 51.

[0118] The second elastic element 55 is installed inside the countersunk hole 54;

[0119] The second elastic element 55 can be a spring or a rubber block, and the connecting plate 52 and the sliding component 6, i.e. the slider, are fastened together by bolts. The cylinder 53 and the connecting plate 52 can be welded together, and multiple cylinders 53 and countersunk holes 54 are used.

[0120] Meanwhile, due to the above structure, the gap between the support frame 51 and the worktable 2 is as small as possible when the support frame 51 is raised without being subjected to force, so that no frictional resistance is generated between the support frame 51 and the worktable 2 when the stamping die 5 moves horizontally. The clamping of the stamping die 5 by the first clamping plate 720 and the second clamping plate 721 is the clamping of the connecting plate 52 by the first clamping plate 720 and the second clamping plate 721.

[0121] As can be seen from this embodiment, by setting the cylinder 53 and the second elastic element 55, and opening the countersunk hole 54 on the support frame 51, the punch 3 can cause the support frame 51 to move down first after it abuts against the workpiece on the template 50, until the support frame 51 abuts against the worktable 2, and then the metal plate is shaped or punched, thereby improving the stability and structural strength during stamping.

[0122] Furthermore, the second elastic element 55 can facilitate the lifting and resetting of the support frame 51 after stamping, thereby ensuring that there is no additional frictional resistance when the stamping die 5 moves, and improving the stability of movement.

[0123] Meanwhile, the use of multiple cylinders 53 and countersunk holes 54 can further improve the structural stability of the support frame 51 on the connecting plate 52, so that it can only be offset within a small range along the axial direction of the cylinder 53.

[0124] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A punch press, characterized in that, include: The frame (1) is equipped with a workbench (2); The punch (3) is mounted on the frame (1) and is equipped with a drive mechanism (4) for driving the punch (3) to move closer to or away from the worktable (2). The stamping die (5) is provided with a sliding component (6) slidably connected to the worktable (2), and includes a template (50) and a support frame (51) for supporting the template (50). The linkage mechanism (7) is installed inside the frame (1) and is used to move the stamping die (5) closer to the punch (3) when the punch (3) is pressed down, and to move the stamping die (5) away from the punch (3) when the punch (3) is raised. In this process, the stamping die (5) moves into place before the punch (3), and when the punch (3) and the stamping die (5) work together to stamp, the support frame (51) abuts against the worktable (2).

2. The punch press according to claim 1, characterized in that, The linkage mechanism (7) includes: The transmission device (70) is installed inside the frame (1) and is used to drive the stamping die (5) to move when the punch (3) moves; A connecting assembly (72) is mounted on the workbench (2) and is used to connect the transmission device (70) and the stamping die (5); A limiting component is installed on the worktable (2) and is used to limit the movement of the stamping die (5) after it has moved into place; The connecting component (72) includes a tension structure and is used for the continued operation of the transmission device (70) after the stamping die (5) has been moved into place.

3. The punch press according to claim 2, characterized in that, The transmission device (70) includes: The first rack (700) is vertically mounted on the side of the punch (3); The transmission component is installed inside the frame (1); The second rack (701) is horizontally installed on the side of the stamping die (5); The transmission component is connected to the first rack (700) and the second rack (701) respectively.

4. The punch press according to claim 3, characterized in that, The transmission component includes: The first gear shaft (702) is installed in the frame (1) by setting the first bracket (703); The first gear (704) is sleeved on the first gear shaft (702) and meshes with the first rack (700); The first sprocket (705) is sleeved on the first gear shaft (702); The second gear shaft (706) is installed in the frame (1) by setting a second bracket (707); The second gear (708) is sleeved on the second gear shaft (706) and meshes with the second rack (701); The second sprocket (709) is fitted onto the second gear shaft (706); The chain (710) is fitted on the first sprocket (705) and the second sprocket (709) and is used for the transmission connection between the first sprocket (705) and the second sprocket (709).

5. The punch press according to claim 3, characterized in that, The connection component (72) further includes: The first clamping plate (720) is installed on the side of the stamping die (5) and is connected to the second rack (701); The second clamping plate (721) is installed on the side of the stamping die (5) on the other side; The tensioning structure is connected between the first clamping plate (720) and the second clamping plate (721).

6. The punch press according to claim 5, characterized in that, The tensile structure includes: The cylinder (722) is connected to the surface of the first clamping plate (720) near the second clamping plate (721); A round rod (723) is slidably connected inside the cylinder (722); The first elastic element (724) is installed inside the cylinder (722), and its two ends are connected to the round rod (723) and the first clamping plate (720) respectively.

7. The punch press according to claim 2, characterized in that, The limiting component includes: The stop block (73) is installed on the worktable (2) and located on the moving path of the stamping die (5); Two of the stops (73) are provided, and they are located on the two sides of the second rack (701).

8. The punch press according to claim 1, characterized in that, The stamping die (5) also includes: A connecting plate (52) is mounted on the sliding assembly (6); A cylinder (53) is mounted on a connecting plate (52), and a countersunk hole (54) adapted to the cylinder (53) is provided on the support frame (51). The second elastic element (55) is installed inside the countersunk hole (54).

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