HOT STAMPING DEVICE AND HOT STAMPING SYSTEM

Claims

1. A hot stamping device comprising: frame (21) of the device; an upper slider (22) and a lower slider (23) mounted on a frame (21) of the device, wherein the upper slider (22) is configured to move the upper part (11) of the press mold, and the lower slider (23) is configured to provide support for the lower part (12) of the press mold; a transmission unit (24) mounted on a frame (21) of the device, wherein the transmission unit (24) comprises a drive component (24-1), a power converting component (24-2) connected to the drive component (24-1), a torque transmitting mechanism (24-3) connected to the power converting component (24-2), and a feedback signal encoder (24-4) configured to obtain an angle of rotation of the torque transmitting mechanism (24-3), wherein the power converting component (24-2) and the torque transmitting mechanism (24-3) have the shape of a gear wheel, and the torque transmitting mechanism (24-3) is configured to move the upper slider (22) towards the lower slider (23) or away from it; and a controller, wherein the drive component (24-1) and the feedback signal encoder (24-4) are connected to the controller, and the controller is configured to control the operation of the drive component (24-1) based on the angle of rotation of the torque transmission mechanism (24-3) received by the feedback signal encoder (24-4).

2. The device according to claim 1, in which the transmission unit (24) further comprises a brake transmission component (24-5) configured to transmit power from the drive component (24-1) to the power conversion component (24-2), wherein the brake transmission component (24-5) is connected between the drive component (24-1) and the power conversion component (24-2) and is connected to the controller, and the controller is further configured to control the brake transmission component (24-5) to stop when the upper slider (22) moves to a predetermined position.

3. The device according to paragraph 2, in which the transmission unit (24) further comprises a rotary coupling component (24-6), wherein one end of the rotary coupling component (24-6) is pivotally connected to the torque transmission mechanism (24-3), and the other end of the rotary coupling component (24-6) is pivotally connected to the upper slider (22), and the torque transmission mechanism (24-3) is configured to move the upper slider (22) up and down by means of the rotary coupling component (24-6); the number of power converting components (24-2), the number of torque transmitting mechanisms (24-3) and the number of rotary connecting components (24-6) are equal to at least two for each of them, wherein at least two power converting components (24-2) are symmetrically located on the left and right sides of the brake transmitting component (24-5), at least two torque transmitting mechanisms (24-3) are symmetrically located on the left and right sides of the brake transmitting component (24-5), and at least two rotary connecting components (24-6) are symmetrically located on the left and right sides of the brake transmitting component (24-5); and at least one of the rotary connecting components (24-6) is connected to the left side of the upper slider (22), and at least the other one of the rotary connecting components (24-6) is connected to the right side of the upper slider (22).

4. The device according to claim 1, in which on the upper part of the lower slider (23) there is a working surface, wherein the working surface has a plurality of positioning grooves configured to position the lower part (12) of the press mold, and a plurality of locking grooves configured to lock the lower part (12) of the press mold, and the positioning grooves and locking grooves are arranged in corresponding predetermined orders.

5. The hot stamping device according to paragraph 1, further comprising a hot stamping mold (1), wherein the hot stamping mold (1) comprises: an upper part (11) of the press mould and a lower part (12) of the press mould, wherein between the upper part (11) of the press mould and the lower part (12) of the press mould a profiled cavity is formed, configured to accommodate a workpiece (4), each of the upper part (11) of the press mould and the lower part (12) of the press mould has a cavity inside and is provided with hollow sections in predetermined positions on one side thereof, close to the profiled cavity, and the hollow sections (13) communicate with the cavity, providing the possibility of injecting a working medium from the cavity onto the workpiece (4) through the hollow sections (13); a plurality of injection elements (14) mounted in the cavity of the upper part (11) of the press mould and / or the lower part (12) of the press mould; and a plurality of pipelines (15) for the working medium located in the cavities, wherein the plurality of pipelines for the working medium (15) are configured to supply the working medium to the injection elements (14), with the ability to regulate the pressure in each of the pipelines for the working medium (15).

6. The device according to item 5, further comprising a mounting adapter (25) for supplying water to the upper part of the press mould, configured to be connected to an external pipeline, wherein the mounting adapter (25) for supplying water to the upper part of the press mould is mounted on the frame (21) of the device, and the upper part (11) of the press mould has a quick-release connector, which is removably connected to the mounting adapter (25) for supplying water to the upper part of the press mould and communicates with the pipeline of the working medium (15).

7. The device according to paragraph 1, additionally comprising: an exhaust gas collection component (28) configured to collect exhaust gas during the quenching process, wherein the exhaust gas collection component (28) is mounted on the upper portion of the frame (21) of the device; and a water circulation system (29) designed with the ability to collect and return water to the recycle of the working environment, wherein the water circulation system (29) contains: a collecting tank (29-1) for circulating water, configured to accumulate cooling water collected from the hot stamping mold (1) and to perform preliminary filtration of the cooling water; a water return component (29-2) configured to pump cooling water from the hot stamping mold (1) into a collection tank (29-1) for circulating water and connected to the collection tank (29-1) for circulating water; a water storage tank (29-3) configured to store pre-filtered circulating water coming from a collection tank (29-1) for circulating water; a water supply component (29-4) configured to receive pre-filtered circulating water from a collection tank (29-1) for circulating water and to supply the pre-filtered circulating water to a water storage tank (29-3), wherein the water storage tank (29-3) is connected to a water supply channel configured to supply cooling water to a hot stamping mold (1); a secondary filter (29-5) and / or a tertiary filter (29-6) installed in the water supply channel and configured to perform secondary and / or tertiary filtration of the cooling water in the water supply channel; and a high-pressure water pump (29-7) mounted on a water supply pipe (29-8) and configured to regulate the pressure of the supplied water in the water supply channel with an adjustment range of 0-3 MPa.

8. The device according to any one of paragraphs 1-7, further comprising a guide mechanism (210) installed in the frame (21) of the device, wherein the upper slider (22) is connected with the possibility of sliding to the guide mechanism (210), and the lower slider (23) is installed with the possibility of sliding in the frame of the device (21) and is capable of moving from the inside to the outside of the frame of the device (21) to replace the mold.

9. A hot stamping system comprising a hot stamping device (2) according to any one of claims 1-8.

10. The system according to item 9, further comprising a tunnel furnace, a device (32) for loading into the working position, an automatic loading robot (33), a gantry manipulator (34) and a device (35) for feeding and returning the working medium, wherein, the tunnel furnace comprises a part (31-1) for placing the workpiece, a heating zone (31-2), a heating holding zone (31-3) and an intra-furnace gripping zone (31-4), which are arranged sequentially from the loading end to the unloading end of the tunnel furnace; the automatic loading robot (33) is configured to grip the workpiece (4) from the loading device (32) into the working position and to place the workpiece (4) on the part (31-1) for placing the workpiece; and the device (2) for hot stamping is located between the portal manipulator (34) and the device (35) for feeding and returning the working medium, and the portal manipulator (34) is configured to move the workpiece (4) from the intra-furnace gripping zone (31-4) into the device (2) for hot stamping.

11. The system according to claim 10, in which the portal manipulator (34) comprises a first support post (34-1), a second support post (34-2), a transverse support element (34-3), a gripping mechanism (34-4) and a movable unit (34-5) of the mechanism; the first support post (34-1) and the second support post (34-2) are respectively located at two ends of the transverse support member (34-3), and the gripping mechanism (34-4) is suspended from the movable unit (34-5) of the mechanism by means of a fourth degree of freedom connecting mechanism; the gripping mechanism (34-4) comprises a frame (34-4-1) of the gripping mechanism, a pneumatic cylinder (34-4-2) of the gripping mechanism, a transmission rod (34-4-3) of the gripping mechanism, a locking adapter (34-4-4) of the transmission rod and a lever (34-4-5) of the power transmission; the pneumatic cylinder (34-4-2) of the gripping mechanism is mounted on the frame (34-4-1) of the gripping mechanism, on the outside of the pneumatic cylinder (34-4-2) of the gripping mechanism there is a protective cover (34-4-6) of the pneumatic cylinder, the transmission rod (34-4-3) of the gripping mechanism is slidably connected to the locking adapter (34-4-4) of the transmission rod, one end of the transmission rod (34-4-3) of the gripping mechanism is connected to the pneumatic cylinder (34-4-2) of the gripping mechanism, and the other end of the transmission rod (34-4-3) of the gripping mechanism is connected to the lever (34-4-5) of the power transmission; and on the lower side of the frame (34-4-1) of the gripping mechanism there is a first hook (34-4-7), on the lower end of the lever (34-4-5) of the power transmission there is a second hook (34-4-8), wherein, when moving the workpiece (4) into the intra-furnace zone (31-4) of the tunnel kiln gripper, the first hook (34-4-7) is configured to interact with one end of the workpiece (4), and the pneumatic cylinder (34-4-2) of the gripping mechanism is configured to drive the transmission rod (34-4-3) of the gripping mechanism into translational movement for rotary movement of the lever (34-4-5) of the power transmission so that the lever (34-4-5) of the power transmission forces the second hook (34-4-8) to rotate to interact with the other end of the workpiece (4).

12. The system according to paragraph 11, in which the movable unit (34-5) of the mechanism comprises a movable supporting body of the mechanism and a servomotor (34-5-1) of the fourth degree of freedom, a protective cover (34-5-2) of the motor, a wave gear reducer (34-5-3), a drive component (34-5-4) and a heat-insulating panel (34-5-5), which are mounted on the movable supporting body of the mechanism; and the protective cover (34-5-2) of the motor covers the servomotor (34-5-1) of the fourth degree of freedom, the wave gear reducer (34-5-3) is connected between the servomotor (34-5-1) of the fourth degree of freedom and the driving component (34-5-4), the heat-insulating panel (34-5-5) is installed at the end of the driving component (34-5-4) close to the gripping mechanism (34-4), and the gripping mechanism (34-4) is installed on the driving component (34-5-4) and is movable together with the driving component (34-5-4); and On the movable supporting body of the mechanism, a cooling component (34-5-6) is additionally installed, designed with the possibility of supplying cold air into the movable supporting body of the mechanism for cooling the servomotor (34-5-1) of the fourth degree of freedom.