Punching device

Abstract

The utility model provides a punching device. The punching device comprises a rack, a punching mechanism and a punching mechanism, the objective table is used for bearing a target workpiece, and the objective table is movably connected to the rack, so that the objective table can bear the target workpiece to move to a workpiece taking position or a machining position relative to the objective table; and the punching assembly comprises a first punching device and a second punching device, and the first punching device and the second punching device are fixed to the rack at different angles so as to punch a target workpiece on the objective table located at the machining position in different directions. The punching device provided by the utility model can be used for punching orifices with different opening directions on the automotive trim instrument panel.

Description

Technical Field

[0001] This application relates to the field of punching technology, specifically to a punching device. Background Technology

[0002] The production of automotive interior dashboards widely employs foaming technology to improve product appearance and comfort. During dashboard production, an upper mold holds the injection-molded frame, while a lower mold holds the slush-molded outer layer. A mixing head in the foaming equipment pressurizes the two foaming raw materials, mixing them under high pressure and filling the space between the injection-molded frame and the slush-molded outer layer. A sealing strip on the mold then removes air from between the two layers, ensuring complete foam filling and maintaining a certain pressure. After the foam matures, a comfortable foam dashboard is obtained. Because pressure is generated within the mold cavity during foaming, the injection-molded frame must remain sealed to ensure a complete foam layer structure. After foaming, the dashboard requires multiple openings to accommodate components such as air vents and speakers in subsequent processes. However, the inconsistent opening directions of these openings make the process difficult. Utility Model Content

[0003] This application provides a punching device that can punch holes with different opening directions on an automotive interior dashboard.

[0004] The punching device includes:

[0005] frame;

[0006] A stage for holding a target workpiece, the stage being movably connected to the frame so that the stage can carry the target workpiece and move it relative to the stage to a pick-up position or a processing position; and

[0007] A punching assembly, comprising a first punching device and a second punching device, wherein the first punching device and the second punching device are fixed to the frame at different angles to punch the target workpiece on the worktable at the processing position in different directions.

[0008] Optionally, the punching device includes a driver, which is fixed to the frame and connected to the worktable. The worktable is rotatably connected to the frame and can switch between the pick-up position and the processing position under the drive of the driver.

[0009] Optionally, the punching device includes a first limiting mechanism, which is mounted on the frame. When the worktable is in the pick-up position, the first limiting mechanism locks the worktable to limit it to the pick-up position.

[0010] Optionally, the platform is provided with a limiting hole, and the first limiting mechanism includes a first body and a first limiting body. The first limiting body can extend out of or retract into the first body. When the platform is in the picking position, the first limiting body extends out of the first body and is inserted into the limiting hole.

[0011] Optionally, the punching device includes a second limiting mechanism, which is mounted on the frame. When the worktable is in the processing position, the second limiting mechanism locks the worktable to limit it to the processing position.

[0012] Optionally, the stage is provided with a wedge block, the wedge block has a first inclined surface, and the second limiting mechanism includes a second body and a second limiting body. The second limiting body can extend out of or retract into the second body, and the second limiting body has a second inclined surface. When the stage is in the processing position, the second limiting body extends out of the second body and the first inclined surface is in contact with the second inclined surface.

[0013] Optionally, the punching device further includes a first elastic element installed on the frame. The first elastic element is disposed on the path of the worktable moving from the processing position to the picking position, and when the worktable moves to the picking position, the first elastic element elastically abuts against the worktable.

[0014] Optionally, the punching device further includes a second elastic member installed on the frame. The second elastic member is disposed on the path of the worktable moving from the pick-up position to the processing position, and when the worktable moves to the processing position, the second elastic member elastically abuts against the worktable.

[0015] Optionally, the frame includes a first side and a second side, which are spaced apart from each other; the punching device further includes a grating, which includes a transmitter and a receiver, wherein the transmitter is located on the first side and the receiver is located on the second side.

[0016] Optionally, both the first punching device and the second punching device are driven by gas-liquid booster.

[0017] In the punching apparatus provided in this application, since the worktable can move to the pick-up position or the processing position, it is easier to pick up and place the target workpiece and perform punching processing, thereby improving work efficiency. In addition, since the first punching device and the second punching device are fixed to the frame at different angles, they can punch the target workpiece in different directions. Therefore, this punching apparatus can be used to punch holes with different opening directions on automotive interior dashboards. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the implementation will be briefly introduced below. Obviously, the drawings described below are some implementations of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a punching device for punching automotive interior dashboards, as provided in an embodiment of this application.

[0020] Figure 2 This is a schematic diagram of the punching device provided in an embodiment of this application.

[0021] Figure 3 for Figure 2 A schematic diagram of the frame in the punching device shown.

[0022] Figure 4 for Figure 2 A schematic diagram of some parts in the punching device shown.

[0023] Figure 5 for Figure 4 A schematic diagram of the structure shown from another perspective.

[0024] Figure 6 for Figure 4 A schematic diagram of some parts of the structure shown.

[0025] Figure 7 for Figure 6 A schematic diagram of the structure shown from another perspective.

[0026] Figure 8 for Figure 7 The diagram shows the relative positional relationship between the first limiting mechanism and the stage in the structure shown.

[0027] Figure 9 for Figure 6 A schematic diagram of the structure shown from another perspective.

[0028] Figure 10 This is a simplified schematic diagram showing the stage in the processing position and not locked by the second limiting mechanism, as provided in the embodiments of this application.

[0029] Figure 11 This is a simplified schematic diagram showing the stage provided in this embodiment of the application in the processing position and locked by the second limiting mechanism.

[0030] Figure 12 for Figure 2 A schematic diagram of the punching device shown from another perspective.

[0031] Explanation of reference numerals in the attached figures:

[0032] Punching device-1; Frame-10; Outer housing-101; First side-1011; Second side-1012; Inner frame-102; Outer frame-103; Mounting plate-104; Platform-11; Punching assembly-12; First punching device-121; Second punching device-122; Driver-13; First limiting mechanism-14; First body-141; First limiting body-142; Second limiting mechanism-15 Second body - 151; Second limiting body - 152; Wedge block - 16; First elastic element - 17; Second elastic element - 18; Grating - 19; Transmitter - 191; Receiver - 192; Rotating shaft - 20; Bearing - 21; Bearing seat - 22; First end - D1; Second end - D2; First inclined surface - M1; Second inclined surface - M2; Accommodation space - X1; Limiting hole - X2; Feed port - X3; Target workpiece - 2. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0034] In this document, references to "embodiment" or "implementation" mean that a particular feature, structure, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0035] Please refer to Figure 1 and Figure 2 This application provides a punching device 1 for punching a target workpiece 2. The target workpiece 2 may be, but is not limited to, an automotive interior dashboard. The punching device 1 includes: a frame 10, a platform 11, and a punching assembly 12. The following description is in conjunction with the accompanying drawings.

[0036] Please refer to Figure 3The frame 10 can be made of one or more materials such as metal (e.g., steel, aluminum alloy, cast iron), engineering plastics, and composite materials. The frame 10 may include an outer housing 101, an inner frame 102, an outer frame 103, and a mounting plate 104. The outer housing 101 encloses a receiving space X1. The inner frame 102 is a frame structure located within the receiving space X1. The mounting plate 104 is plate-shaped and mounted on the inner frame 102. The outer frame 103 is mounted on top of the outer housing 101. The outer housing 101 can be composed of several plates and several columns, which are joined together to form the receiving space X1. The inner frame 102 can be formed by connecting several columns. The outer frame 103 can be formed by connecting several columns and plates.

[0037] Please refer to Figure 4 and Figure 5 The platform 11 is used to hold the target workpiece 2, and the platform 11 is movably connected to the mounting plate 104 of the frame 10, so that the platform 11 can carry the target workpiece 2 and move it relative to the platform 11 to the picking position (e.g., Figure 4 and Figure 5 (as shown) or processing station (not shown).

[0038] Specifically, the stage 11 is movable relative to the frame 10, and it can move to two extreme positions: the pick-up position and the processing position. When the stage 11 is in the pick-up position, the operator can place the target workpiece 2 to be punched on the stage 11, or retrieve the punched target workpiece 2 from the stage 11. That is, the pick-up position is a position that facilitates the operator to pick up and place the target workpiece 2. When the stage 11 is in the processing position, the punching assembly 12 can punch the target workpiece 2. That is, the processing position is a position that facilitates the punching processing of the target workpiece 2.

[0039] The movement of the stage 11 between the pick-up position and the processing position can include sliding and rotation. For example, the stage 11 can be slidably mounted on the mounting plate 104 via a slide rail structure, with the two extreme positions of the stage 11's sliding range being the pick-up position and the processing position. Alternatively, the stage 11 can be rotatably mounted on the mounting plate 104 via a bearing 21, with the two extreme positions of the stage 11's rotation range being the pick-up position and the processing position. Subsequent embodiments of this application will only illustrate the rotatable mounting of the stage 11 on the mounting plate 104.

[0040] Please refer to Figure 4 and Figure 5The punching assembly 12 includes a first punching device 121 and a second punching device 122. The first punching device 121 and the second punching device 122 are fixed to the frame 10 at different angles to punch the target workpiece 2 on the worktable 11 in the processing position in different directions.

[0041] Specifically, the first punching device 121 includes a first power mechanism and a first punching head. The first power mechanism drives the first punching head to move along a first direction to punch the target workpiece 2, wherein the first direction is the direction from the first power mechanism toward the first punching head. The second punching device 122 includes a second power mechanism and a second punching head. The second power mechanism drives the second punching head to move along a second direction to punch the target workpiece 2, wherein the second direction is the direction from the second power mechanism toward the second punching head. In other words, the first punching device 121 can punch the target workpiece 2 in the first direction, and the second punching device 122 can punch the target workpiece 2 in the second direction, wherein the first direction and the second direction are different directions. The first direction and the second direction form a certain angle, which is greater than 0° and less than or equal to 180°. Specifically, this angle can be 30°, 40°, 50°, 53°, 60°, 71°, 80°, 90°, 96°, 100°, 110°, 130°, 140°, 143°, 150°, 156°, 160°, 168°, 170°, or 180°. It should be noted that when the angle between the first direction and the second direction is 180°, the first direction and the second direction are parallel and opposite, that is, they are opposite directions to each other.

[0042] The first punching device 121 can be fixed at an angle on the outer frame 103, that is, it is set at an angle relative to the ground in the first direction. The second punching device 122 is set in the accommodating space X1 and fixed horizontally or nearly horizontally on the inner frame 102, that is, it is set parallel or nearly parallel to the ground in the second direction.

[0043] The punching process can be performed as follows: 1. Fix the unpunched target workpiece 2 on the loading table 11 in the pick-up position; 2. Drive the loading table 11 to the processing position; 3. Punch the target workpiece 2 using the first punching device 121 and the second punching device 122; 4. Drive the loading table 11 to the pick-up position and retrieve the punched target workpiece 2 from the loading table 11.

[0044] It should be noted that during the punching process, the first punching device 121 and the second punching device 122 can punch simultaneously or sequentially. That is, in one embodiment, the first punching device 121 and the second punching device 122 punch the target workpiece 2 simultaneously; in another embodiment, after the first punching device 121 punches the target workpiece 2, the second punching device 122 punches the target workpiece 2; in yet another embodiment, after the second punching device 122 punches the target workpiece 2, the first punching device 121 punches the target workpiece 2.

[0045] In summary, the punching apparatus 1 provided in this application allows the worktable 11 to move to either the pick-up position or the processing position, which facilitates the picking up and placing of the target workpiece 2 and the punching process, thereby improving work efficiency. Furthermore, since the first punching device 121 and the second punching device 122 are fixed to the frame 10 at different angles, they can punch the target workpiece 2 in different directions. Therefore, this punching apparatus 1 can be used to punch holes with different opening directions on automotive interior dashboards.

[0046] Please refer to Figure 5 The punching device 1 includes a driver 13, which is fixed to the frame 10 and connected to the worktable 11. The worktable 11 is rotatably connected to the frame 10 and can switch between the pick-up position and the processing position under the drive of the driver 13. The rotatable worktable 11 can also be referred to as a flipping platform.

[0047] Please refer to Figure 6 and Figure 7 The punching device 1 may further include a rotating shaft 20, a bearing 21, and a bearing housing 22. The rotating shaft 20 is connected to the worktable 11, the bearing housing 22 is fixed to the frame 10 (e.g., mounting plate 104), and the bearing 21 is mounted on the bearing housing 22 and sleeved on the end of the rotating shaft 20. Further, the worktable 11 has a first end D1 and a second end D2 that are far apart. The rotating shaft 20 is located at the first end D1, and the driver 13 is a cylinder (or hydraulic cylinder). The cylinder body of the cylinder (or hydraulic cylinder) is fixed to the frame 10 (e.g., outer casing 101), and the piston rod of the cylinder (or hydraulic cylinder) is rotatably connected to the second end D2 of the worktable 11. During the extension and retraction of the piston rod, the worktable 11 rotates around the central axis of the rotating shaft 20, thereby switching the worktable 11 between the pick-up position and the processing position. Figure 5As shown in the structure, during the process of the piston rod retracting into the cylinder, the platform 11 moves from the processing position to the part-retrieving position; during the process of the piston rod extending out of the cylinder, the platform 11 moves from the part-retrieving position to the processing position. When the platform 11 is in the part-retrieving position, the first end D1 of the platform 11 is closer to the mounting plate 104 than the second end D2, that is, the first end D1 is closer to the ground, and the second end D2 is farther away from the ground.

[0048] In other embodiments, the driver 13 may also be a motor. Specifically, the punching device 1 may further include a rotating shaft 20, a bearing 21, and a bearing housing 22. The rotating shaft 20 is connected to the stage 11, the bearing housing 22 is fixed to the frame 10 (e.g., mounting plate 104), and the bearing 21 is mounted on the bearing housing 22 and sleeved on the end of the rotating shaft 20. The output shaft of the motor can output rotational motion. A first gear is provided on the output shaft, and a second gear is provided on the rotating shaft 20. The first gear and the second gear mesh together. The motor drives the stage 11 to rotate through the first gear and the second gear, so that the stage 11 switches between the pick-up position and the processing position.

[0049] It is understandable that if the platform 11 is slidably mounted on the frame 10, it will always present the same viewpoint to the operator regardless of its position, which may make it inconvenient for the operator to pick up or place the target workpiece 2. In this embodiment, the platform 11 is rotatably mounted on the frame 10. As the platform 11 rotates, the viewpoint presented to the operator changes continuously. Therefore, in the design of the punching device 1, a position corresponding to a better viewing angle can be selected as the workpiece picking position of the platform 11 based on the approximate height of the operator (e.g., ...). Figure 6 As shown in the figure, this pick-up position facilitates the operator in picking up and placing the target workpiece 2.

[0050] Please refer to Figure 7 The punching device 1 includes a first limiting mechanism 14, which is mounted on the frame 10 (e.g., the outer casing 101). When the platform 11 is in the picking position, the first limiting mechanism 14 locks the platform 11, thus confining it to the picking position. In other words, the first limiting mechanism 14 restricts the platform 11's degrees of freedom, keeping it in the picking position; therefore, the first limiting mechanism 14 functions as a limiting device. It is understood that by confining the platform 11 to the picking position using the first limiting mechanism 14, sudden movement of the platform 11 can prevent injury to the operator.

[0051] Please refer to Figure 8The platform 11 is provided with a limiting hole X2. The first limiting mechanism 14 includes a first body 141 and a first limiting body 142. The first body 141 is mounted on the frame 10 (e.g., the outer casing 101), and the first limiting body 142 can extend into or retract from the first body 141. When the platform 11 is in the picking position, the first limiting body 142 extends out of the first body 141 and is inserted into the limiting hole X2.

[0052] Specifically, when the stage 11 moves to the pick-up position, the first limiting body 142 faces the limiting hole X2. At this time, if the first limiting body 142 extends out of the first body 141 and enters the limiting hole X2, the bidirectional rotation freedom of the stage 11 can be restricted. That is, the stage 11 cannot rotate clockwise or counterclockwise, thus effectively preventing sudden movement of the stage 11 from causing injury to the operator. If the stage 11 needs to rotate to the processing position, the first limiting body 142 is retracted into the first body 141, causing the first limiting body 142 to exit the limiting hole X2, and the stage 11 is no longer constrained by the first limiting body 142.

[0053] The first limiting mechanism 14 can be, but is not limited to, a cylinder, a hydraulic cylinder, etc. For example, when the first limiting mechanism 14 is a cylinder, the first body 141 is the cylinder body, and the first limiting body 142 is the piston rod. The first limiting body 142 is a cylinder, and its cross-sectional shape can be circular, square, rectangular, or elliptical. The shape of the limiting hole X2 is adapted to the shape of the first limiting body 142. For example, when the cross-sectional shape of the first limiting body 142 is circular, the limiting hole X2 is a circular hole; when the cross-sectional shape of the first limiting body 142 is square, the limiting hole X2 is a square hole. The depth direction of the limiting hole X2 can be parallel to the central axis of the rotating shaft 20, perpendicular to the central axis of the rotating shaft 20, or inclined relative to the central axis of the rotating shaft 20. This application does not limit this, as long as the first limiting body 142 can limit the stage 11 when inserted into the limiting hole X2.

[0054] Optionally, the limiting hole X2 is disposed at the second end D2 of the stage 11, such as... Figure 7As shown. This configuration can improve the service life of the first limiting body 142. Specifically, when the platform 11 is in the picking-up position, the first end D1 is close to the ground, and the second end D2 is far from the ground. At this time, the platform 11 will be subjected to a gravitational torque, which causes the platform 11 to rotate, so that the second end D2 is closer to the mounting plate 104. When the first limiting body 142 is inserted into the limiting hole X2, the first limiting body 142 applies a limiting torque to the platform 11. This limiting torque balances the gravitational torque, so that the platform 11 is kept in the picking-up position. It can be understood that the distance from the limiting hole X2 to the central axis of the rotating shaft 20 is the lever arm of the limiting torque. When the limiting hole X2 is set at the second end D2 of the platform 11, this lever arm is the largest, and the force between the first limiting body 142 and the platform 11 is the smallest, thus improving the service life of the first limiting body 142.

[0055] Please refer to Figure 9 The punching device 1 includes a second limiting mechanism 15, which is mounted on the frame 10 (e.g., mounting plate 104). When the stage 11 is in the processing position, the second limiting mechanism 15 locks the stage 11, thus confining it to the processing position. In other words, the second limiting mechanism 15 restricts the degree of freedom of the stage 11, keeping it in the processing position; therefore, the second limiting mechanism 15 functions as a limiting device. It is understood that by confining the stage 11 to the processing position through the second limiting mechanism 15, damage to the punching assembly 12 due to sudden movement of the stage 11 can be avoided.

[0056] Please refer to Figure 10 and Figure 11 The stage 11 is provided with a wedge-shaped block 16, which has a first inclined surface M1. The second limiting mechanism 15 includes a second body 151 and a second limiting body 152. The second body 151 is mounted on the frame 10 (e.g., mounting plate 104), and the second limiting body 152 can extend into or retract from the second body 151. The second limiting body 152 has a second inclined surface M2. When the stage 11 is in the processing position, the second limiting body 152 extends out of the second body 151, and the first inclined surface M1 is in contact with the second inclined surface M2.

[0057] Specifically, when the stage 11 moves to the processing position, the second limiting body 152 faces the wedge-shaped block 16 (e.g., ...) provided on the stage 11. Figure 10 As shown), at this time, if the second limiting body 152 extends out of the second body 151, such that the first inclined surface M1 of the wedge block 16 is in contact with the second inclined surface M2 of the second limiting body 152 (as shown). Figure 11As shown, this restricts the degree of freedom of movement of the stage 11, preventing it from moving towards the picking position. If the stage 11 needs to rotate towards the picking position, the second limiting body 152 is retracted to the second body 151, so that the second limiting body 152 is no longer on the rotation path of the stage 11, and the stage 11 is no longer constrained by the second limiting body 152. In this embodiment, the second limiting mechanism 15 can be, but is not limited to, a cylinder, a hydraulic cylinder, etc. For example, when the second limiting mechanism 15 is a cylinder, the second body 151 is equivalent to the cylinder body, and the second limiting body 152 is equivalent to the piston rod.

[0058] Optionally, the punching device 1 may also include a controller, which is directly or indirectly electrically connected to the second limiting mechanism 15. The second limiting mechanism 15 will provide feedback to the controller on the length of the second limiting body 152 extending out of the second body 151 (hereinafter referred to as the extension length). The controller compares the extension length with a preset value. If the extension length is equal to the preset value, the controller determines that the second inclined surface M2 has been attached to the first inclined surface M1, that is, the stage 11 is locked. The controller further controls the first punching device 121 and the second punching device 122 to perform punching operations.

[0059] Optionally, the wedge block 16 is disposed at the second end D2 of the stage 11, such as... Figure 9 and Figure 10 As shown. With this configuration, the second limiting body 152 can apply the maximum limiting torque to the stage 11, thereby effectively preventing the stage 11 from rotating toward the picking position. Specifically, this can be compared with the analysis process in the previous embodiment where "the limiting hole X2 is set at the second end D2 of the stage 11".

[0060] Please refer to Figure 6 and Figure 9 The punching device 1 further includes a first elastic element 17 installed on the frame 10 (e.g., mounting plate 104). The first elastic element 17 is disposed on the path of the platform 11 moving from the processing position to the picking position, and when the platform 11 moves to the picking position, the first elastic element 17 elastically abuts against the platform 11. It is understood that because the platform 11 has a large mass, its inertia is also large. In this embodiment, by setting the first elastic element 17, the platform 11 can slow down its movement by impacting the first elastic element 17 when it reaches the picking position; that is, the first elastic element 17 acts as a buffer, thus avoiding hard impacts between the platform 11 and other components, thereby improving its service life. The first elastic element 17 can be, but is not limited to, a coil spring, rubber, or other elastic material.

[0061] Please refer to Figure 6 and Figure 9The punching device 1 further includes a second elastic element 18 installed on the frame 10 (e.g., mounting plate 104). The second elastic element 18 is disposed on the path of the platform 11 moving from the pick-up position to the processing position, and when the platform 11 moves to the processing position, the second elastic element 18 elastically abuts against the platform 11. It is understood that because the platform 11 has a large mass, its inertia is also large. In this embodiment, by setting the second elastic element 18, the platform 11 can slow down its movement by impacting the second elastic element 18 when it reaches the processing position; that is, the second elastic element 18 acts as a buffer, thus avoiding hard impacts between the platform 11 and other components, thereby improving its service life. The second elastic element 18 can be, but is not limited to, elastic objects such as coil springs or rubber.

[0062] Please refer to Figure 12 The outer casing 101 of the frame 10 includes a first side 1011 and a second side 1012, which are spaced apart and opposite to each other to form a loading port X3 that connects to the receiving space X1. The punching device 1 also includes a grating 19, which includes a transmitter 191 and a receiver 192, wherein the transmitter 191 is disposed on the first side 1011 and the receiver 192 is disposed on the second side 1012.

[0063] Specifically, transmitter 191 emits light, and receiver 192 receives the light emitted by transmitter 191. The propagation path of this light is located at the feed port X3. It is understood that when an object exists between receiver 192 and transmitter 191, the light emitted by transmitter 191 cannot be fully received by receiver 192. The punching device 1 may also include a controller, which can determine whether an object exists at feed port X3 based on the light received by receiver 192. If the light emitted by transmitter 191 is not fully received by receiver 192, the controller determines that an object exists at feed port X3; if the light emitted by transmitter 191 is fully received by receiver 192, the controller determines that no object exists at feed port X3. Furthermore, if the controller determines that an object exists at feed port X3, the controller further controls the punching assembly 12 and the platform 11 to be in a closed state, thus preventing injury to operators or damage to the punching device 1.

[0064] For example, when an operator is picking up or placing the target workpiece 2, if the operator is standing at the loading port X3 or needs to pass through the loading port X3, the operator's body or arm is positioned between the transmitter 191 and the receiver 192, thus obstructing at least part of the propagation of the light emitted by the transmitter 191, causing the receiver 192 to not receive the complete light. When the controller detects that the receiver 192 has failed to fully receive the light emitted by the transmitter 191, it shuts down the punching assembly 12 and the stage 11.

[0065] Optionally, both the first punching device 121 and the second punching device 122 are driven by pneumatic-hydraulic booster technology. Pneumatic-hydraulic booster technology combines pneumatic and hydraulic transmission, using compressed air (low pressure, compressible) to drive hydraulic oil (high pressure, incompressible) to achieve high-pressure output. In other words, the first power mechanism driving the first punching head uses pneumatic-hydraulic booster technology, and the second power mechanism driving the second punching head also uses pneumatic-hydraulic booster technology. Compared to hydraulic drive, the pneumatic-hydraulic booster drive scheme is lower in cost, has higher integration, and occupies less space.

[0066] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application, and such improvements and refinements are also considered to be within the protection scope of this application.

Claims

1. A punching device, characterized in that, The punching device includes: frame; A stage for holding a target workpiece, the stage being movably connected to the frame so that the stage can carry the target workpiece and move it relative to the stage to a pick-up position or a processing position; and A punching assembly, comprising a first punching device and a second punching device, wherein the first punching device and the second punching device are fixed to the frame at different angles to punch the target workpiece on the worktable at the processing position in different directions.

2. The punching device as described in claim 1, characterized in that, The punching device includes a driver, which is fixed to the frame and connected to the worktable. The worktable is rotatably connected to the frame and can switch between the pick-up position and the processing position under the drive of the driver.

3. The punching device as described in claim 1, characterized in that, The punching device includes a first limiting mechanism, which is mounted on the frame. When the worktable is in the pick-up position, the first limiting mechanism locks the worktable to limit it to the pick-up position.

4. The punching device as described in claim 3, characterized in that, The platform is provided with a limiting hole. The first limiting mechanism includes a first body and a first limiting body. The first limiting body can extend out of or retract into the first body. When the platform is in the picking position, the first limiting body extends out of the first body and is inserted into the limiting hole.

5. The punching device as described in claim 1, characterized in that, The punching device includes a second limiting mechanism, which is mounted on the frame. When the worktable is in the processing position, the second limiting mechanism locks the worktable to limit it to the processing position.

6. The punching device as described in claim 5, characterized in that, The platform is provided with a wedge-shaped block, the wedge-shaped block has a first inclined surface, the second limiting mechanism includes a second body and a second limiting body, the second limiting body can extend out of or retract into the second body, and the second limiting body is provided with a second inclined surface; When the stage is in the processing position, the second limiting body extends out of the second body and the first inclined surface is in contact with the second inclined surface.

7. The punching device as described in claim 1, characterized in that, The punching device further includes a first elastic element installed on the frame. The first elastic element is disposed on the path of the worktable moving from the processing position to the picking position, and when the worktable moves to the picking position, the first elastic element elastically abuts against the worktable.

8. The punching device as described in claim 1, characterized in that, The punching device further includes a second elastic element installed on the frame. The second elastic element is disposed on the path of the worktable moving from the pick-up position to the processing position, and when the worktable moves to the processing position, the second elastic element elastically abuts against the worktable.

9. The punching device as described in claim 1, characterized in that, The frame includes a first side and a second side, which are spaced apart from each other. The punching device further includes a grating, which includes a transmitter and a receiver, wherein the transmitter is located on the first side and the receiver is located on the second side.

10. The punching apparatus according to any one of claims 1 to 9, characterized in that, Both the first punching device and the second punching device are driven by gas-liquid pressurization.

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