Hot forming stamping device and stamping method for producing stamping parts of new energy vehicles

Abstract

The application relates to the technical field of new energy automobile production equipment, in particular to a hot forming stamping equipment and a stamping method for new energy automobile stamping parts production, which comprises a base, a sliding groove is arranged at the top end of the base, a lower die assembly is arranged at the sliding groove, the lower die assembly comprises a sliding seat, a lower die is arranged on the sliding seat, the sliding seat is a cavity structure and an adsorption hole is arranged at the top of the sliding seat, an upper die assembly is fixedly installed at one side of the top end of the base, and an upper die cooperating with the lower die is arranged on the upper die assembly. In the actual use process, the heating time of the stamping part can be selectively controlled, the heating speed is fast, the stamping efficiency can be effectively improved, the transfer time is short, stress fracture is avoided, the product quality is ensured, the oxide skin and impurities on the surface of the stamping part are effectively removed in the stamping process, the product quality is ensured, and the oxide skin and impurities are prevented from damaging the inside of the stamping die.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle production equipment technology, and in particular to hot forming stamping equipment and stamping methods for producing stamped parts for new energy vehicles. Background Technology

[0002] In the production and manufacturing process of new energy vehicles, in order to improve the strength and rigidity of the vehicle itself, hot stamping is usually used for some stamped parts. This not only effectively improves the quality of the stamped parts, but also helps to achieve the overall lightweight design of the vehicle.

[0003] In the hot stamping process of stamped parts, the parts are typically heated to the target temperature using equipment such as an electric resistance furnace before being stamped. However, this method suffers from slow heating and uneven heating, resulting in insufficient heating time in thick-walled areas and excessive heating time in thin-walled areas. This ultimately leads to stress problems in the heat-treated stamped parts. Furthermore, the prolonged transfer time between the workpiece and the stamping die during this process can cause stress fractures, ultimately affecting product quality.

[0004] Therefore, we propose hot forming stamping equipment and stamping methods for the production of stamped parts for new energy vehicles. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology by proposing a hot forming stamping equipment and stamping method for the production of stamped parts for new energy vehicles.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Thermoforming stamping equipment for producing stamped parts for new energy vehicles includes:

[0008] The base has a sliding groove at its top and a lower die assembly at the sliding groove. The lower die assembly has a lower die for stamping and forming. The sliding seat has a hollow structure and an adsorption hole at its top for absorbing impurities that precipitate on the surface of the stamped part after heating. An upper die assembly is fixedly installed on one side of the top of the base. The upper die assembly has an upper die that works in conjunction with the lower die to facilitate the hot stamping process.

[0009] The guide frame is provided in two sets, which are fixedly installed on both sides of the top of the base by support rods. Each of the two sets of guide frames has a slide rail slidably installed on the side that is close to each other. The bottom end of the slide rail is equipped with a sliding support frame, and the top of the base is equipped with a slide rail that matches the sliding support frame to ensure stable sliding of the slide rail.

[0010] The clamping and cleaning mechanism is rotatably set between the slide bars. The clamping and cleaning mechanism is equipped with a clamping component for clamping the stamped parts and a surface cleaning component for cleaning the surface of the heated stamped parts, so as to effectively remove oxide scale and impurities from the surface of the heat-treated stamped parts and ensure the quality of subsequent stamping.

[0011] A fixed frame plate is fixedly installed at one end of the slide bar. A sliding frame is installed through the fixed frame plate. An electromagnetic coil is provided on the lower side of the end of the sliding frame facing the clamping and cleaning mechanism to achieve rapid heating of the surface of the stamped part. A pneumatic push rod is provided on one side of the fixed frame plate to control the movement of the sliding frame, so as to drive the electromagnetic coil to adjust its position, thereby controlling the heating time and heating intensity of the surface of the stamped part.

[0012] As a preferred technical solution of this application, the lower die assembly includes a sliding seat slidably disposed inside the groove at the top of the base, and a push rod motor for pushing the lower die assembly to move is provided at the top of the base. The output shaft of the push rod motor is connected to the sliding seat and is used to push the lower die assembly to align with the upper die assembly for hot stamping operation.

[0013] The sliding seat has a downward-sloping cavity inside to facilitate the collection of oxide scale. An opening communicating with the lower part of the cavity is located on one side of the sliding seat, and a blocking strip is installed at the opening to facilitate the removal of impurities and oxide scale. A lower die, shaped like an inverted cone, is rotatably mounted on top of the sliding seat. The flat surface of the lower die faces downwards, corresponding to the upper die for stamping operations. The inverted cone shape allows for the diversion of oxide scale and impurities from the heat-treated stamped parts. A tilting motor is located on one side of the sliding seat, and its output shaft is connected to the lower die to adjust its orientation. During surface cleaning after heat treatment of the stamped parts, the cone surface faces upwards to facilitate the removal of oxide scale, while the flat surface faces upwards to support the stamped parts for subsequent stamping operations.

[0014] As a preferred technical solution of this application, the top of the sliding seat is uniformly provided with a plurality of adsorption holes, and the sliding seat is equipped with a vacuum pump communicating with the internal cavity on the side to generate negative pressure. The air outlet of the vacuum pump is connected to an air supply pipe communicating with the clamping and cleaning mechanism to facilitate the provision of airflow for the clamping and cleaning mechanism to perform high-pressure airflow flushing.

[0015] As a preferred technical solution of this application, the upper mold assembly includes a gantry frame, which is fixedly installed on the top of the base. A stamping cylinder is provided at the lower part of the top of the gantry frame, and the output axis of the stamping cylinder is connected downward to the upper mold.

[0016] Several sets of guide rods are installed through the top of the gantry frame, and buffer springs that are bonded to the top of the gantry frame are sleeved on the outside of the guide rods. The bottom end of the guide rods is connected to the top of the upper mold, thereby controlling the stamping pressure during the stamping process, achieving a certain buffer, and reducing the impact force.

[0017] As a preferred technical solution of this application, the surface cleaning assembly includes a mounting plate. A servo motor is provided at one of the top corners of the mounting plate. The servo motor is fixedly mounted on an adjacent slide bar, and the output shaft of the servo motor is fixedly connected to the mounting plate, thereby effectively realizing the overall rotation of the clamping cleaning mechanism. Guide stabilizing rods are installed at both ends of the side of the surface cleaning assembly away from the servo motor. Arc guide rails are installed on the slide bars. Arc guide rails are provided with arc-shaped grooves that are adapted to the guide stabilizing rods. Thus, when the servo motor drives the overall rotation of the clamping cleaning mechanism, the overall rotation adjustment of the clamping cleaning mechanism is realized under the action of the guide stabilizing rods, which facilitates the stability of the entire process from heating the stamping part to transferring the stamping part to the lower die assembly.

[0018] A circular through hole is provided in the middle of the mounting plate, and a rotating ring plate is rotatably installed in the circular through hole. A meshing toothed ring is provided on the upper outer side of the rotating ring plate. A swing motor I is installed on one side of the top of the mounting plate. The output shaft of the swing motor I is axially connected to a drive gear that meshes with the meshing toothed ring on the outer side of the rotating ring plate, thereby effectively controlling the rotating ring plate to swing back and forth within a certain range.

[0019] The inner side of the rotating ring plate is equipped with a semi-circular arc-shaped deflection bar, which has several sets of high-pressure air blowing heads. The inner side of the rotating ring plate is also equipped with a swing motor II for driving the arc-shaped deflection bar to swing, which facilitates the control of the arc-shaped deflection bar to swing. When cleaning the bottom and top of the heat-treated stamped parts, it can effectively carry out high-pressure covering air blowing treatment to effectively remove impurities and oxide scale.

[0020] As a preferred technical solution of this application, the bottom end of the rotating ring plate is hinged with several sets of high-temperature resistant wiping strips pointing towards the axis. The bottom of the rotating ring plate is uniformly fixed with fixed seats corresponding to the high-temperature resistant wiping strips one by one, and a return spring is connected between the fixed seat and the corresponding high-temperature resistant wiping strip, thereby effectively ensuring the orientation of the return spring, so that the heated stamped part can be scraped by the high-temperature resistant wiping strip when it falls below, further improving the surface cleaning effect.

[0021] As a preferred technical solution of this application, the clamping assembly is provided in three sets and is fixedly installed on three sides of the surface cleaning assembly, so as to avoid the clamping assembly from affecting the position adjustment of the sliding frame and the electromagnetic coil after it flips with the surface cleaning assembly.

[0022] The clamping assembly includes a mounting frame with a groove on its inner side. A telescopic plate is slidably mounted in the groove. An electric push rod is mounted at the bottom of the mounting frame. The output shaft of the electric push rod passes through the mounting frame and connects to the telescopic plate, driving the telescopic plate to extend and retract. Several sets of clamping cylinders are evenly arranged on the side of the telescopic plate. The output shaft of each clamping cylinder is equipped with a contact plate, which facilitates the effective clamping of stamping parts of different sizes and facilitates the heat treatment process. Furthermore, by setting multiple sets of clamping cylinders, the clamping cylinders in the area through which the electromagnetic coil passes can be retracted during the movement of the electromagnetic coil, ensuring effective heating of the stamping parts by the electromagnetic coil.

[0023] A stamping method for a hot forming stamping equipment used in the production of stamped parts for new energy vehicles includes the following steps:

[0024] Step S1, Heat Treatment: First, the stamped part is clamped on the clamping assembly. Through the cooperation of the clamping cylinder and the contact plate on the clamping assembly, multi-point clamping of the stamped part surface is achieved, ensuring stable clamping of the stamped part during the overall processing. Then, the servo motor is started, which drives the surface cleaning assembly to rotate the entire clamping and cleaning mechanism and the stamped part until it faces the horizontal direction. By starting the pneumatic push rod, the sliding frame drives the electromagnetic coil to move. After the electromagnetic coil is energized, the workpiece penetration area is rapidly heated through eddy current Joule heating. During this process, the dwell time of the electromagnetic coil in the corresponding area is controlled by adjusting the pneumatic push rod, so that the heating time can be controlled according to the different material thicknesses of the actual workpiece area, thereby achieving the purpose of segmented heating and rapid heating of the workpiece through the electromagnetic coil.

[0025] Step S2, Surface Treatment of Stamped Parts: After heat treatment, the stamped parts are flipped to a vertical position by the surface cleaning assembly. At this time, the air pump on the lower die assembly is activated, and the high-pressure air head on the arc deflector bar blows high-pressure air to loosen the oxide scale on the surface of the stamped parts after heating. During this process, the stamped parts are gradually moved down by synchronously controlling the synchronous retraction and release of the clamping cylinders on the three sets of clamping assemblies. When the bottom and top of the stamped parts pass through the through holes on the surface cleaning assembly, the top and bottom of the stamped parts are cleaned by the rotation of the arc deflector bar. With the cooperation of the drive gear and the rotating ring plate, the surface of the stamped parts is blown and washed all over. With the help of the high-temperature resistant wiping strip below, the oxide scale and precipitated impurities are effectively removed. The removed oxide scale and impurities fall onto the lower die assembly below. At this time, the lower die is in an inverted shape. Under the action of the cone of the lower die, the oxide scale is effectively prevented from falling into the lower die. With the help of the adsorption holes on the sliding seat, the oxide scale and impurities are effectively sucked into the sliding seat.

[0026] Step S3: After cleaning, start the flipping motor to flip the lower mold. At this time, the heat-treated stamped part falls into the lower mold. Then start the push rod motor to move the sliding seat to the position corresponding to the upper mold assembly. At this time, start the stamping cylinder. When the upper mold and the lower mold work together, the hot stamping forming operation of the stamped part is realized.

[0027] The beneficial effects of this invention are as follows:

[0028] 1. By using an electromagnetic coil in conjunction with a clamping and cleaning mechanism, the stamped parts are rapidly heated. Furthermore, the pneumatic push rod effectively regulates the surface heating time of the stamped parts, allowing for precise control of the heating time based on the material distribution. This ensures effective heating and avoids the problems associated with traditional resistance furnace heating, such as insufficient heating time for thick-walled parts and excessive heating time for thin-walled parts, which can negatively impact material stress. This guarantees product quality during subsequent stamping processes and reduces the occurrence of product breakage.

[0029] 2. By combining the surface cleaning component with the clamping component, the oxide scale and impurities generated on the surface of the stamped parts after heating are effectively removed, ensuring the quality of the stamped parts and improving product quality.

[0030] 3. The flip-up lower die on the lower die assembly effectively diverts the removed oxide scale and impurities, preventing them from falling into the stamping die, thus reducing damage to the quality of the stamped product and effectively preventing scratches or damage to the inner wall of the stamping die.

[0031] 4. By sliding the lower die assembly, the lower die assembly processed by the clamping and cleaning mechanism can quickly fall into the lower die, reducing transfer time, avoiding stress fracture of the stamped parts after heating, and ensuring the effective operation of the stamping process.

[0032] In summary, this application can selectively control the local heating time of stamped parts during actual use, and the heating rate is fast, which can effectively improve stamping efficiency. The subsequent transfer time is short, avoiding stress fracture and ensuring product quality. During the stamping process, the oxide scale and impurities on the surface of the stamped parts are effectively removed, ensuring product quality while preventing oxide scale and impurities from damaging the inside of the stamping die. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the structure of the present invention under heating conditions;

[0035] Figure 3 This is a side view of the present invention;

[0036] Figure 4 This is a schematic diagram of the clamping and cleaning mechanism of the present invention;

[0037] Figure 5 This is a schematic diagram of the surface cleaning assembly of the present invention;

[0038] Figure 6 This is a schematic diagram of the clamping assembly of the present invention;

[0039] Figure 7 This is a schematic diagram of the lower mold assembly of the present invention;

[0040] Figure 8 This is a cross-sectional view of the lower mold assembly of the present invention.

[0041] In the diagram: 1. Base; 2. Lower mold assembly; 21. Sliding seat; 22. Tilting motor; 23. Lower mold; 24. Air supply pipe; 25. Air pump; 26. Blocking strip; 3. Upper mold assembly; 31. Gantry frame; 32. Stamping cylinder; 33. Upper mold; 34. Guide rod; 35. Buffer spring; 4. Clamping and cleaning mechanism; 41. Surface cleaning assembly; 411. Mounting plate; 412. Servo motor; 413. High-temperature resistant wiping strip; 414. Guide stabilizer bar ; 415. Drive gear; 416. Arc-shaped deflection bar; 417. Rotating ring plate; 418. Return spring; 42. Clamping assembly; 421. Mounting bracket; 422. Telescopic plate; 423. Point contact plate; 424. Clamping cylinder; 425. Electric push rod; 5. Arc guide rail; 6. Fixed frame plate; 7. Sliding frame; 8. Pneumatic push rod; 9. Electromagnetic coil; 10. Push rod motor; 11. Slide bar; 12. Guide frame; 13. Slide rail; 14. Sliding support frame. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0043] Reference Figures 1-8 Thermoforming stamping equipment for the production of stamped parts for new energy vehicles includes:

[0044] The base 1 has a sliding groove at its top and a lower die assembly 2 at the sliding groove. The lower die assembly 2 has a lower die 23 for stamping. The sliding seat 21 has a hollow structure and an adsorption hole at its top for absorbing impurities precipitated on the surface of the stamped part after heating. An upper die assembly 3 is fixedly installed on one side of the top of the base 1. The upper die assembly 3 has an upper die 33 that works in conjunction with the lower die 23 to facilitate the hot stamping process. The upper die assembly 3 includes a gantry frame 31, which is fixedly installed on the top of the base 1. A stamping cylinder 32 is provided at the lower part of the top of the gantry frame 31. The output shaft of the stamping cylinder 32 is connected downward to the upper die 33.

[0045] Several sets of guide rods 34 are provided through the top of the gantry frame 31, and buffer springs 35 that are bonded to the top of the gantry frame 31 are sleeved on the outside of the guide rods 34. The bottom end of the guide rods 34 is connected to the top of the upper mold 33, so as to control the stamping pressure during the stamping process, achieve a certain buffer, and reduce the impact force.

[0046] The guide frame 12 is provided in two sets and is fixedly installed on both sides of the top of the base 1 by support rods. Each of the two sets of guide frames 12 has a slide bar 11 slidably provided on the side that is close to each other. A sliding support frame 14 is installed at the bottom of the slide bar 11, and a slide rail 13 adapted to the sliding support frame 14 is installed at the top of the base 1 to ensure that the slide bar 11 slides stably.

[0047] The clamping and cleaning mechanism 4 is rotatably disposed between the slide bars 11. The clamping and cleaning mechanism 4 is provided with a clamping component 42 for clamping the stamped parts and a surface cleaning component 41 for cleaning the surface of the heated stamped parts, so as to facilitate the effective removal of oxide scale and impurities on the surface of the heat-treated stamped parts and ensure the quality of subsequent stamping.

[0048] A fixed frame plate 6 is fixedly installed at one end of the slide bar 11. A sliding frame 7 is provided through the fixed frame plate 6. An electromagnetic coil 9 is provided on the lower side of the end of the sliding frame 7 facing the clamping and cleaning mechanism 4, which is used to achieve rapid heating of the surface of the stamped part. A pneumatic push rod 8 is provided on one side of the fixed frame plate 6 to control the movement of the sliding frame 7, which facilitates the adjustment of the position of the electromagnetic coil 9, thereby controlling the heating time of the surface of the stamped part and controlling the heating intensity.

[0049] Reference Figures 7-8 The lower die assembly 2 includes a sliding seat 21 that is slidably disposed inside the groove at the top of the base 1. The top of the base 1 is provided with a push rod motor 10 for pushing the lower die assembly 2 to move. The output shaft of the push rod motor 10 is connected to the sliding seat 21 and is used to push the lower die assembly 2 to align with the upper die assembly 3 for hot stamping.

[0050] The sliding seat 21 has a downward-sloping cavity inside to facilitate the collection of oxide scale. The lower part of one side of the sliding seat 21 has an opening that communicates with the lower part of the cavity. A blocking strip 26 is installed at the opening to facilitate the removal of impurities and oxide scale. The sliding seat 21 has a lower mold 23 rotatably mounted on top. The lower mold 23 is in the shape of an inverted cone with its flat surface facing downward. It corresponds to the upper mold 33 to perform stamping operations. The inverted cone shape allows the oxide scale and impurities of the stamped parts after heat treatment to be diverted. The sliding seat 21 has a flipping motor 22 on one side. The output shaft of the flipping motor 22 is connected to the lower mold 23 to adjust the orientation of the lower mold 23. When the surface is cleaned after heat treatment of the stamped parts, the cone surface is facing upward to facilitate the drainage of the cleaned oxide scale. Then, the flat surface is facing upward to facilitate the support of the stamped parts for subsequent stamping and forming operations.

[0051] The top of the sliding seat 21 is evenly provided with several adsorption holes. The sliding seat 21 is equipped with a vacuum pump 25 that communicates with the internal cavity on the side to generate negative pressure. The air outlet of the vacuum pump 25 is connected to an air supply pipe 24 that communicates with the clamping and cleaning mechanism 4 to provide airflow for the clamping and cleaning mechanism 4 to perform high-pressure airflow rinsing.

[0052] Reference Figures 4-5 The surface cleaning assembly 41 includes a mounting plate 411. A servo motor 412 is provided at one of the top corners of the mounting plate 411. The servo motor 412 is fixedly mounted on the adjacent slide bar 11, and the output shaft of the servo motor 412 is fixedly connected to the mounting plate 411, thereby effectively realizing the overall rotation of the clamping cleaning mechanism 4. Guide stabilizing rods 414 are installed at both ends of the side of the surface cleaning assembly 41 away from the servo motor 412. Arc guide rails 5 are installed on the slide bar 11. Arc guide rails 5 are provided with arc-shaped grooves that are adapted to the guide stabilizing rods 414. Thus, when the servo motor 412 drives the clamping cleaning mechanism 4 to rotate as a whole, the guide stabilizing rods 414 help to achieve stable rotation adjustment of the clamping cleaning mechanism 4 as a whole, which facilitates the stability of the entire process from heating the stamping part to transferring the stamping part to the lower die assembly 2.

[0053] A circular through hole is provided in the middle of the mounting plate 411, and a rotating ring plate 417 is rotatably installed in the circular through hole. A meshing toothed ring is provided on the upper outer side of the rotating ring plate 417. A swing motor I is installed on one side of the top of the mounting plate 411. The output shaft of the swing motor I is axially connected to a drive gear 415 that meshes with the meshing toothed ring on the outer side of the rotating ring plate 417, thereby effectively controlling the rotating ring plate 417 to swing back and forth within a certain range.

[0054] The inner side of the rotating ring plate 417 is rotatably provided with a semi-circular arc-shaped deflection bar 416. The arc-shaped deflection bar 416 is provided with several sets of high-pressure air blowing heads. The inner side of the rotating ring plate 417 is also provided with a swing motor II for driving the arc-shaped deflection bar 416 to swing, which facilitates the control of the arc-shaped deflection bar 416 to swing. When cleaning the bottom and top of the heat-treated stamped parts, it can effectively perform high-pressure covering air blowing treatment to effectively remove impurities and oxide scale.

[0055] The bottom end of the rotating ring plate 417 is hinged with several sets of high-temperature resistant wiping strips 413 pointing towards the axis. The bottom of the rotating ring plate 417 is uniformly fixed with fixed seats corresponding to the high-temperature resistant wiping strips 413. A return spring 418 is connected between the fixed seat and the corresponding high-temperature resistant wiping strip 413, thereby effectively ensuring the orientation of the return spring 418. This facilitates the scraping of the high-temperature resistant wiping strips 413 when the heated stamped part falls below, further improving the surface cleaning effect.

[0056] Reference Figure 6 The clamping assembly 42 is provided in three sets and is fixedly installed on the three sides of the surface cleaning assembly 41, so as to avoid the clamping assembly 42 from affecting the position adjustment of the sliding frame 7 and the electromagnetic coil 9 after it flips with the surface cleaning assembly 41.

[0057] The clamping assembly 42 includes a mounting frame 421. The inner side of the mounting frame 421 is grooved, and a telescopic plate 422 is slidably mounted in the groove. An electric push rod 425 is mounted at the bottom of the mounting frame 421. The output shaft of the electric push rod 425 passes through the mounting frame 421 and is connected to the telescopic plate 422 to drive the telescopic plate 422 to extend and retract. Several sets of clamping cylinders 424 are evenly arranged on the side of the telescopic plate 422. The output shaft of each clamping cylinder 424 is equipped with a contact plate 423, which facilitates the effective clamping of stamping parts of different sizes and facilitates the heat treatment process. Furthermore, by setting multiple sets of clamping cylinders 424, the clamping cylinders 424 in the area through which the electromagnetic coil 9 passes can be retracted during the movement of the electromagnetic coil 9, ensuring the effective heating of the stamping parts by the electromagnetic coil 9.

[0058] A stamping method for a hot forming stamping equipment used in the production of stamped parts for new energy vehicles includes the following steps:

[0059] Step S1, Heat Treatment: First, the stamped part is clamped on the clamping assembly 42. Through the cooperation of the clamping cylinder 424 and the contact plate 423 on the clamping assembly 42, multi-point clamping of the stamped part surface is achieved, ensuring stable clamping of the stamped part during the overall processing. Then, the servo motor 412 is started, so that the surface cleaning assembly 41 drives the clamping cleaning mechanism 4 and the stamped part to rotate until they face the horizontal direction. By starting the pneumatic push rod 8, the sliding frame 7 drives the electromagnetic coil 9 to move. After the electromagnetic coil 9 is energized, the workpiece penetration area is rapidly heated through eddy current Joule heating. During this process, the dwell time of the electromagnetic coil 9 in the corresponding area is controlled by adjusting the pneumatic push rod 8, so that the heating time can be controlled according to the different material thicknesses of the actual workpiece area, thereby achieving the purpose of segmented heating and rapid heating of the workpiece through the electromagnetic coil 9.

[0060] Step S2, Surface Treatment of Stamped Parts: After heat treatment, the stamped parts are flipped to a vertical position by the surface cleaning assembly 41. At this time, the air pump 25 on the lower die assembly 2 is activated, causing the high-pressure air blower on the arc-shaped deflector 416 to blow high-pressure air, loosening the oxide scale on the surface of the stamped parts after heating. During this process, the stamped parts are gradually moved downward by synchronously controlling the opening and closing of the clamping cylinders 424 on the three sets of clamping assemblies 42. When the bottom and top of the stamped parts pass through the through holes on the surface cleaning assembly 41, the rotation of the arc-shaped deflector 416 achieves... The top and bottom of the stamped part are cleaned, and the surface of the stamped part is blown cleaned by the cooperation of the drive gear 415 and the rotating ring plate 417. With the help of the high temperature resistant wiping strip 413 below, the oxide scale and precipitated impurities are effectively removed. The removed oxide scale and impurities fall onto the lower die assembly 2 below. At this time, the lower die 23 is in an inverted shape. Under the action of the cone of the lower die 23, the oxide scale is effectively prevented from falling into the lower die 23. With the help of the adsorption hole on the sliding seat 21, the oxide scale and impurities are effectively sucked into the sliding seat 21.

[0061] Step S3: After cleaning is completed, the lower mold 23 is flipped by starting the flipping motor 22. At this time, the heat-treated stamped part falls into the lower mold 23. Then, the push rod motor 10 is started, so that the sliding seat 21 moves to the position corresponding to the upper mold assembly 3. At this time, the stamping cylinder 32 is started. When the upper mold 33 and the lower mold 23 work together, the hot stamping forming operation of the stamped part is realized.

[0062] Finally, it should be noted that in the description of this invention, the terms "vertical," "upper," "lower," "horizontal," 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 invention 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 invention.

[0063] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0064] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hot forming stamping equipment for producing stamped parts for new energy vehicles, characterized in that, include: The base (1) has a sliding groove at the top and a lower mold assembly (2) at the sliding groove. The lower mold assembly (2) includes a sliding seat (21), a lower mold (23) on the sliding seat (21), and the sliding seat (21) has a cavity structure and an adsorption hole at the top. An upper mold assembly (3) is fixedly installed on one side of the top of the base (1). The upper mold assembly (3) has an upper mold (33) that works in conjunction with the lower mold (23). The guide frame (12) is provided in two sets and is fixedly installed on both sides of the top of the base (1) by the support rod. The two sets of guide frames (12) are slidably provided with slide bars (11) on the side that is close to each other. The bottom end of the slide bar (11) is equipped with a sliding support frame (14), and the top of the base (1) is equipped with a slide rail (13) that is compatible with the sliding support frame (14). The clamping and cleaning mechanism (4) is rotatably disposed between the slide bars (11). The clamping and cleaning mechanism (4) is provided with a clamping component (42) and a surface cleaning component (41). A fixed frame plate (6) is fixedly installed on one end of a slide bar (11). A sliding frame (7) is provided through the fixed frame plate (6). An electromagnetic coil (9) is provided on the lower side of the end of the sliding frame (7) facing the clamping and cleaning mechanism (4). A pneumatic push rod (8) for controlling the movement of the sliding frame (7) is provided on one side of the fixed frame plate (6). The clamping assembly (42) is provided in three sets and is fixedly installed on three sides of the surface cleaning assembly (41); The clamping assembly (42) includes a mounting frame (421), the inner side of the mounting frame (421) is provided with a groove, and a telescopic plate (422) is slidably provided in the groove. An electric push rod (425) is installed at the bottom end of the mounting frame (421). The output shaft of the electric push rod (425) passes through the mounting frame (421) and is connected to the telescopic plate (422). Several sets of clamping cylinders (424) are evenly provided on the side of the telescopic plate (422). The output shaft of each clamping cylinder (424) is equipped with a contact plate (423). The lower mold assembly (2) includes a sliding seat (21) that is slidably disposed inside the groove at the top of the base (1). A push rod motor (10) is provided at the top of the base (1), and the output shaft of the push rod motor (10) is connected to the sliding seat (21). The sliding seat (21) has an inclined downward cavity inside. The lower part of one side of the sliding seat (21) has an opening that communicates with the lower part of the cavity. A blocking strip (26) is installed at the opening. The sliding seat (21) has a lower mold (23) rotatably mounted on the top. The lower mold (23) is in the shape of an inverted cone. The flat surface of the lower mold (23) faces downward. A flip motor (22) is provided on one side of the sliding seat (21). The output shaft of the flip motor (22) is connected to the lower mold (23). The surface cleaning assembly (41) includes a mounting plate (411). A servo motor (412) is provided at one of the top corners of the mounting plate (411). The servo motor (412) is fixedly installed on the adjacent slide bar (11), and the output shaft of the servo motor (412) is fixedly connected to the mounting plate (411). Guide stabilizer rods (414) are installed at both ends of the side of the surface cleaning assembly (41) away from the servo motor (412). Arc guide rails (5) are installed on the slide bar (11). Arc guide rails (5) are provided with arc-shaped grooves that are adapted to the guide stabilizer rods (414). A circular through hole is provided in the middle of the mounting plate (411), and a rotating ring plate (417) is rotatably installed in the circular through hole. A meshing toothed ring is provided on the upper outer side of the rotating ring plate (417). A swing motor I is installed on one side of the top of the mounting plate (411). The output shaft of the swing motor I is axially upward and coaxially connected to a drive gear (415) that meshes with the meshing toothed ring on the outer side of the rotating ring plate (417). The inner side of the rotating ring plate (417) is provided with a semi-circular arc-shaped deflection bar (416), and the arc-shaped deflection bar (416) is provided with several sets of high-pressure air blowing heads. The inner side of the rotating ring plate (417) is also provided with a swing motor II for driving the arc-shaped deflection bar (416) to swing.

2. The hot forming stamping equipment for producing stamped parts for new energy vehicles according to claim 1, characterized in that, The top of the sliding seat (21) is uniformly provided with several adsorption holes. The sliding seat (21) is equipped with a vacuum pump (25) that communicates with the internal cavity on the side. The air outlet of the vacuum pump (25) is connected to an air delivery pipe (24) that communicates with the clamping and cleaning mechanism (4).

3. The hot forming stamping equipment for producing stamped parts for new energy vehicles according to claim 2, characterized in that, The upper mold assembly (3) includes a gantry frame (31), which is fixedly installed on the top of the base (1). A stamping cylinder (32) is provided at the lower part of the top of the gantry frame (31), and the output shaft of the stamping cylinder (32) is connected to the upper mold (33) downward. A number of guide rods (34) are provided through the top of the gantry frame (31), and a buffer spring (35) is fitted on the outside of the guide rod (34) and bonded to the top of the gantry frame (31). The bottom end of the guide rod (34) is connected to the top of the upper mold (33).

4. The hot forming stamping equipment for producing stamped parts for new energy vehicles according to claim 3, characterized in that, The bottom end of the rotating ring plate (417) is hinged with several sets of high-temperature resistant wiping strips (413) pointing to the axis. The bottom of the rotating ring plate (417) is uniformly fixed with fixed seats corresponding to the high-temperature resistant wiping strips (413), and a return spring (418) is connected between the fixed seat and the corresponding high-temperature resistant wiping strip (413).

5. A stamping method for a hot-forming stamping equipment for producing stamped parts for new energy vehicles according to any one of claims 4, characterized in that, Includes the following steps: Step S1, heat treatment: First, clamp the stamped part on the clamping assembly (42) to achieve multi-point clamping on the surface of the stamped part. Start the servo motor (412) to drive the clamping and cleaning mechanism (4) and the stamped part to flip to the horizontal direction. Start the pneumatic push rod (8) to make the electromagnetic coil (9) move. After the electromagnetic coil (9) is energized, the workpiece is rapidly heated. Step S2, Surface treatment of stamped parts: After heat treatment, the stamped parts are flipped to a vertical position with the surface cleaning assembly (41). The vacuum pump (25) is started, so that the high-pressure air blower on the arc deflector (416) blows the high-pressure airflow to loosen the oxide scale on the surface of the stamped parts. Through the synchronous release and retraction of the clamping cylinder (424), the stamped parts are gradually moved down. When the bottom and top of the stamped parts pass through the through hole on the surface cleaning assembly (41), the arc deflector (416) is rotated to clean the top and bottom of the stamped parts. With the cooperation of the drive gear (415) and the rotating ring plate (417), the surface of the stamped parts is blown and washed. With the addition of the high-temperature resistant wiping strip (413), the oxide scale and impurities are removed. The oxide scale and impurities fall onto the lower die assembly (2). Through the adsorption hole on the sliding seat (21), the oxide scale and impurities are effectively sucked into the sliding seat (21). Step S3: After cleaning, start the flipping motor (22) to flip the lower mold (23). At this time, the heat-treated stamped part falls into the lower mold (23). Start the push rod motor (10) to move the sliding seat (21) to the position corresponding to the upper mold assembly (3). Start the stamping cylinder (32) and wait for the upper mold (33) and the lower mold (23) to work together to realize the hot stamping forming operation of the stamped part.

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