Punch forming device for automobile chassis parts

Abstract

The invention provides an automobile chassis part punch forming device. The automobile chassis part punch forming device comprises a frame mechanism, a punching mechanism and a buffering mechanism. According to the stamping forming device for the automobile chassis parts, the stamping step is divided into the initial stamping stage, the medium-speed stamping stage and the high-speed stamping stage, and the downward moving speed of the upper die and the pressure in the sliding sleeve and the sliding barrel are adjusted according to different stamping requirements in each stage. In the medium-speed stamping stage, pressure is accurately controlled to be injected into a sliding sleeve and a sliding barrel, so that stamped parts can reach accurate sizes, the problem of size deviation caused by single stamping speed is effectively reduced, the qualified rate of products is improved, burrs of plates and workpieces are eliminated through high-speed operation in the high-speed stamping stage, the surfaces of the workpieces are smoother and smoother, and the product quality is improved. And subsequent machining procedures are reduced, the overall appearance quality of the product is improved, and the high requirement of automobile chassis parts for the surface quality is met.

Description

Technical Field

[0001] This invention relates to the field of parts stamping, and more particularly to a stamping forming apparatus for automotive chassis parts. Background Technology

[0002] In the automotive manufacturing industry, the quality of automotive chassis components directly affects the overall performance and safety of a vehicle, and stamping is a key process in the production of these components.

[0003] Chinese patent document (CN107262608B) discloses a stamping device for automotive stamping parts. The specification states that it "includes stamping dies and a base. Multiple stamping dies are circumferentially distributed around the center of a pressure plate. Each stamping die includes a station die and a punch for stamping workpieces into the station die. The station die is fixed relative to the base. When workpieces need to be stamped, corresponding stamping dies are set according to supply and demand. Multiple stamping dies on the automotive stamping device sequentially stamp the workpiece through multiple processes, and finally, the stamped workpiece is removed. In the automotive stamping device provided in this application, by setting multiple stamping dies, when a workpiece has multiple stamping processes, it can be stamped directly on one automotive stamping device, and multiple workpieces can be stamped simultaneously, effectively reducing the stamping cost of the workpiece." However, in actual use, it still suffers from low versatility of the stamping dies and unstable stamping quality.

[0004] Traditional stamping forming equipment mostly adopts a single drive mode. The process of moving the upper die downward is simple and direct, and the stamping steps lack fine division. In the initial stage of stamping, the die and the workpiece collide directly and rigidly. The huge impact force can not only easily damage the die and workpiece surface, but also generate a lot of noise, affecting the working environment. Moreover, due to the lack of an effective buffer mechanism, the workpiece may deform in the initial pressing stage, affecting the subsequent processing accuracy. At the same time, existing equipment lacks effective auxiliary means, which can easily lead to problems such as workpiece sticking to the die, incomplete burr removal, and upper die springback. This can cause deviations in workpiece dimensions, making it difficult to meet the high-precision production requirements of automotive chassis parts.

[0005] Therefore, it is necessary to provide a stamping and forming apparatus for automotive chassis parts to solve the above-mentioned technical problems. Summary of the Invention

[0006] This invention provides a stamping forming device for automotive chassis parts, which solves the problems of traditional stamping forming devices with single drive, simple upper die movement, no fine division of stamping steps, easy deformation of workpieces, lack of auxiliary means, easy adhesion, burr problems and upper die springback, making it difficult to meet the requirements of high-precision production.

[0007] To solve the above technical problems, the present invention provides a stamping forming apparatus for automobile chassis parts, comprising: a frame mechanism, a stamping mechanism, and a buffer mechanism, wherein the upper part of the frame mechanism is connected to the stamping mechanism, and the buffer mechanism is connected to the frame mechanism; The frame mechanism includes a base, four limiting vertical bars disposed above the base, a mounting assembly and a movable assembly located outside the limiting vertical bars, four No. 1 springs disposed outside the four limiting vertical bars, a lower mold connected to the base, an upper mold assembly connected to the mounting assembly, and a housing assembly disposed at the top of the four limiting vertical bars. The stamping mechanism includes a driver, a transmission assembly connected to the driver, a pressure assembly, a first pipe connected to the pressure assembly, a pressure relief assembly connected to the first pipe, and a drive block, wherein the drive block is disposed at the bottom of the transmission assembly, and the pressure assembly is connected to the transmission assembly. The buffer mechanism includes several adjusting components, telescopic pipes connected to the adjusting components, and a second pipe, wherein the second pipe is connected to the telescopic pipes.

[0008] Preferably, the four corners of the base are fixedly connected to the bottom ends of four limiting vertical rods, the outer walls of the limiting vertical rods are slidably connected to the mounting component and the movable component, the lower part of the movable component is fixedly connected to the mounting component, the upper part of the movable component is fixedly connected to the bottom end of a first spring, the first spring is sleeved on the limiting vertical rod, the top end of the first spring is fixedly connected to the lower part of the outer shell component, the outer shell component is fixedly connected to the top end of the limiting vertical rod, the lower mold is snapped into the upper part of the base, and the upper mold component is snapped into the lower part of the mounting component.

[0009] Preferably, the output shaft of the driver is fixedly connected to the transmission assembly, the transmission assembly meshes with the pressure assembly, the pressure assembly is connected to the pressure relief assembly through a first pipe, and the bottom end of the transmission assembly is fixedly connected to the drive block. The actuator and pressure assembly are both fixedly connected to the top of the housing assembly, the drive block is slidably connected to the top of the mounting assembly, and the other end of the first pipe is connected to the second pipe.

[0010] Preferably, the number of adjustment components is several, and the upper part of several adjustment components is connected to several telescopic pipes, and the several telescopic pipes are connected to the same second pipe, which adopts a telescopic design; The two ends of the adjustment component are fixedly connected to the mounting component and the movable component, respectively.

[0011] Preferably, the mounting assembly includes a mounting plate, with two limiting strips fixedly connected to the lower part of the mounting plate, a limiting groove formed on the upper part of the mounting plate, and several through holes of No. 1 formed on the upper part of the mounting plate. The mounting plate is fixedly connected to the movable component at the top, the drive block is slidably connected in the limiting groove, and the upper mold component is snapped onto the top of the two limiting strips; The movable component includes a movable plate, with telescopic sleeves fixedly connected to each of the four corners of the movable plate, and a sliding groove provided on the top of the movable plate; The drive block is located in the slide groove. The lower part of the movable plate is fixedly connected to the mounting plate through four telescopic sleeves. The telescopic sleeves are slidably connected to the outside of the limiting vertical rod. The upper part of the movable plate is fixedly connected to four No. 1 springs.

[0012] Preferably, the upper mold assembly includes a positioning plate, and an upper mold is fixedly connected to the lower part of the positioning plate. Several No. 2 through holes are opened on the upper part of both sides of the positioning plate. The size and position of the first and second through holes correspond to each other, and the positioning plate is slidably connected to the limiting strip; The housing assembly includes a top plate, and a movable groove is provided above the top plate; The top plate is fixedly connected to the transmission assembly and the pressure assembly, and the transmission assembly is located in the movable groove.

[0013] Preferably, the transmission assembly includes a transmission gear, a rod is fixedly connected to one side of the transmission gear, an adjusting rod is sleeved on the rod, and the other end of the adjusting rod is fixedly connected to two rotators, which are respectively engaged with two positioning blocks. The lower part of the positioning block is fixedly connected to the drive block, the transmission gear meshes with the pressure assembly, the transmission gear is fixedly connected to the drive shaft of the driver, and the rotator consists of bearings and a rotating shaft.

[0014] Preferably, the pressure assembly includes a blower, and the output shaft of the blower is fixedly connected to a pinion gear; The fan is fixedly connected above the top plate, the exhaust end of the fan is connected to the No. 1 pipe, and the pinion meshes with the transmission gear.

[0015] Preferably, the pressure relief assembly includes a sealing shell, a sealing plate fixedly connected inside the sealing shell, a venting groove on one side of the sealing plate, a baffle plate rotatably connected inside the sealing shell, one side of the baffle plate overlapping with one side of the sealing plate, a venting groove on one side of the baffle plate, the venting groove and the venting groove being misaligned, a sleeve snapped into one side of the sealing shell, a handle rotatably connected inside the sleeve, one side of the handle being fixedly connected to the baffle plate, and a coil spring sleeved on the handle. The other side of the sealing shell is connected to the No. 1 pipe.

[0016] Preferably, the adjusting component includes a sliding sleeve, a first sealing sheet is slidably connected inside the sliding sleeve, a second spring is fixedly connected inside the sliding sleeve, a sliding cylinder is fixedly connected below the first sealing sheet, a second sealing sheet is slidably connected inside the sliding cylinder, a sliding rod is fixedly connected below the second sealing sheet, the sliding rod is connected to the sliding sleeve through the sliding cylinder, a third spring is fixedly connected inside the sliding cylinder, and several vent holes are provided on the outside of the sliding rod; The top end of the sliding sleeve is fixedly connected to the movable plate, the bottom end of the sliding cylinder is fixedly connected to the movable plate, the sliding rod passes through the first through hole and is engaged in the second through hole, and the top of the sliding sleeve is connected to the telescopic tube. Compared with related technologies, the stamping forming apparatus for automobile chassis parts provided by the present invention has the following beneficial effects: This invention provides a stamping forming device for automotive chassis parts. In the first step of sheet metal processing, a rough stamping process, the drive operates at the slowest speed among the three speed settings. The drive rotates the transmission gear, which meshes and transmits the pressure to the pinion of the pressure assembly. Simultaneously, a blower operates and injects air into pipe number one, the pressure relief assembly, pipe number two, and the sliding sleeve. At this time, the pressure relief assembly is in a sealed state, allowing all the gas to enter the sliding sleeve, pushing sealing plates number one and two downwards. Sealing plate number two then moves the sliding rod downwards and inserts it into through holes number one and two, thus limiting the upper die. Simultaneously, the transmission gear drives the insertion rod and adjusting rod downwards, pushing the drive block downwards. This causes the drive block to push the upper die into contact with the sheet metal. Due to the low air pressure inside the sliding sleeve and cylinder, the mounting plate... The upper die springs back under pressure during the stamping of the sheet metal, thus achieving flexible initial pressing. After initial pressing, the sheet metal undergoes a second processing step. The driver switches to medium speed operation in the second gear, and the fan continuously supplies air to increase the pressure inside the sliding sleeve and cylinder. At the same time, some gas is discharged along the exhaust hole. At this time, the upper die is driven by the drive block to stamp the sheet metal again, so that the upper die completes fine stamping under medium pressure. After fine stamping, the sheet metal undergoes a third processing step. The driver switches to the highest speed operation in the first gear, and the fan increases the exhaust volume. The high-speed rotating transmission gear also drives the insert rod and adjusting rod to move down at high speed. The drive block quickly pushes the upper die to complete the final stamping. This device subdivides the stamping steps into three stages: initial pressing, medium-speed stamping, and high-speed stamping. Each stage adjusts the downward speed of the upper die and the pressure inside the sliding sleeve and cylinder according to different stamping requirements. In the medium-speed stamping stage, precise control of pressure injection into the sleeve and cylinder ensures that the stamped parts achieve accurate dimensions, effectively reducing dimensional deviations caused by a single stamping speed and improving the product qualification rate. In the high-speed stamping stage, high-speed operation eliminates burrs on the sheet metal and workpiece, making the workpiece surface smoother and flatter, reducing subsequent processing steps, improving the overall appearance quality of the product, and meeting the high surface quality requirements of automotive chassis components. Attached Figure Description

[0017] Figure 1A schematic diagram of a preferred embodiment of the stamping forming apparatus for automotive chassis parts provided by the present invention; Figure 2 This is a schematic diagram of the frame mechanism; Figure 3 This is a schematic diagram of the outer casing assembly; Figure 4 This is a schematic diagram of the structure of an exploded transmission assembly; Figure 5 This is a schematic diagram of the structure of a pressure relief assembly exploding. Figure 6 This is a structural diagram of the active component; Figure 7 A structural schematic diagram showing the cross-section of the adjustable component; Figure 8 This is a structural diagram of the installed components.

[0018] The diagram labels are: 1. Frame mechanism; 2. Stamping mechanism; 3. Buffer mechanism. 11. Base; 12. Limiting vertical rod; 13. Mounting assembly; 14. Movable assembly; 15. No. 1 spring; 16. Lower mold; 17. Upper mold assembly; 18. Outer shell assembly; 21. Actuator; 22. Transmission assembly; 23. Pressure assembly; 24. Pipeline No. 1; 25. Pressure relief assembly; 26. Drive block; 31. Adjustment component; 32. Expansion pipe; 33. Pipe No. 2; 131. Mounting plate; 132. Limiting strip; 133. Limiting groove; 134. No. 1 through hole; 141. Movable plate; 142. Telescopic sleeve; 143. Slide groove; 171. Positioning plate; 172. Upper mold; 173. No. 2 through hole; 181. Top plate; 182. Movable groove; 221. Transmission gear; 222. Insert rod; 223. Adjusting rod; 224. Rotator; 225. Positioning block; 231. Fan; 232. Pinion gear; 251. Sealing shell; 252. Sealing plate; 253. Leakage groove; 254. Baffle plate; 255. Vent groove; 256. Sleeve; 257. Throttle; 258. Coil spring; 311. Sliding sleeve; 312. No. 1 sealing plate; 313. No. 2 spring; 314. Sliding cylinder; 315. No. 2 sealing plate; 316. Sliding rod; 317. No. 3 spring; 318. Vent hole. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Please refer to the following: Figures 1 to 8 The stamping forming device for automotive chassis parts includes: a frame mechanism 1, a stamping mechanism 2, and a buffer mechanism 3. The upper part of the frame mechanism 1 is connected to the stamping mechanism 2, and the buffer mechanism 3 is connected to the frame mechanism 1. Frame mechanism 1 includes a base 11, four limiting vertical rods 12 disposed above the base 11, a mounting assembly 13 and a movable assembly 14 located outside the limiting vertical rods 12, four No. 1 springs 15 disposed outside the four limiting vertical rods 12, a lower die 16 connected to the base 11, an upper die assembly 17 connected to the mounting assembly 13, and a housing assembly 18 disposed on the top of the four limiting vertical rods 12. Stamping mechanism 2 includes a driver 21, a transmission assembly 22 connected to the driver 21, a pressure assembly 23, a No. 1 pipe 24 connected to the pressure assembly 23, and a No. 1 pipe 24... The device includes a pressure relief assembly 25 and a drive block 26, with the drive block 26 located at the bottom of the transmission assembly 22. A pressure assembly 23 is connected to the transmission assembly 22. A buffer mechanism 3 includes several adjusting assemblies 31, telescopic pipes 32 connected to the adjusting assemblies 31, and a second pipe 33 connected to the telescopic pipes 32. This device subdivides the stamping process into three stages: initial pressure, medium-speed stamping, and high-speed stamping. Each stage adjusts the downward movement speed of the upper die 172 and the pressure within the sliding sleeve 311 and sliding cylinder 314 according to different stamping requirements. In the medium-speed stamping stage, precise control of the pressure injection into the sliding sleeve 311 and sliding cylinder 314 ensures that the stamped parts achieve accurate dimensions, effectively reducing dimensional deviations caused by a single stamping speed and improving product yield. In the high-speed stamping stage, high-speed operation eliminates burrs on the sheet metal and workpiece, resulting in a smoother and flatter workpiece surface, reducing subsequent processing steps, improving the overall appearance quality of the product, and meeting the high surface quality requirements of automotive chassis components.

[0021] The four corners of the base 11 are fixedly connected to the bottom ends of four limiting vertical rods 12. The outer walls of the limiting vertical rods 12 are slidably connected to the mounting assembly 13 and the movable assembly 14. The lower part of the movable assembly 14 is fixedly connected to the mounting assembly 13, and the upper part of the movable assembly 14 is fixedly connected to the bottom end of a first spring 15. The first spring 15 is sleeved on the outside of the limiting vertical rods 12, and the top end of the first spring 15 is fixedly connected to the lower part of the outer shell assembly 18. The outer shell assembly 18 is fixedly connected to the top end of the limiting vertical rods 12. A lower mold 1 is snapped into the upper part of the base 11. 6. The upper mold assembly 17 is snapped into the lower part of the mounting assembly 13. The output shaft of the driver 21 is fixedly connected to the transmission assembly 22. The transmission assembly 22 meshes with the pressure assembly 23. The pressure assembly 23 is connected to the pressure relief assembly 25 through the first pipe 24. The bottom end of the transmission assembly 22 is fixedly connected to the drive block 26. The driver 21 and the pressure assembly 23 are both fixedly connected to the upper part of the outer shell assembly 18. The drive block 26 is slidably connected to the upper part of the mounting assembly 13. The other end of the first pipe 24 is connected to the second pipe 33. The adjusting assembly 31... There are several adjusting components 31, each connected to a number of telescopic pipes 32. These telescopic pipes 32 are connected to the same second pipe 33, which is designed to be telescopic. The two ends of the adjusting components 31 are fixedly connected to the mounting component 13 and the movable component 14, respectively. When it is necessary to replace the upper mold 172 and the lower mold 16, only a 180-degree rotation of the handle 257 is needed to align the air leakage groove 253 and the air venting groove 255. At this time, the gas in the sliding sleeve 311, the sliding cylinder 314, and the first pipe 24 is released. Under the elastic force of springs 317 and 313, the material will be discharged along the gap between sleeve 256 and sealing shell 251. At this time, slide rod 316 will disengage from through hole 134 and through hole 173, positioning plate 171 will lose its positioning, and upper mold 172 can slide out along the gap between mounting plate 131 and limit strip 132. Lower mold 16 can be directly removed, which allows the device to quickly change the appropriate mold according to different specifications of chassis parts, significantly improving the equipment versatility and mold changing efficiency, and further improving the adaptability of the device. By using the drive block 26 to directly push the positioning plate 171 above the extrusion method, the movable plate 141 and the mounting plate 131 are moved. When the drive block 26 moves down, it can directly push the positioning plate 171 to move. This avoids rigid impact caused by the upper die 172 when it comes into contact with the sheet metal, which would cause micro-deformation and high-frequency vibration between the upper die 172 and the positioning plate 171, thus affecting the dimensional accuracy and surface quality of the stamped parts. This improves the quality of the products processed by the device.

[0022] Mounting assembly 13 includes a mounting plate 131. Two limiting strips 132 are fixedly connected to the lower part of the mounting plate 131. A limiting groove 133 is formed on the upper part of the mounting plate 131. Several through holes 134 are formed on the upper part of the mounting plate 131. The upper part of the mounting plate 131 is fixedly connected to the movable assembly 14. A drive block 26 is slidably connected within the limiting groove 133. The upper mold assembly 17 is snapped onto the upper part of the two limiting strips 132. The movable assembly 14 includes a movable plate 141. Telescopic sleeves 142 are fixedly connected to the four corners of the movable plate 141. A sliding groove 143 is formed on the upper part of the movable plate 141, and the drive block 26 is located within the sliding groove 143. The lower part of the movable plate 141 is fixedly connected to the mounting plate 131 via four telescopic sleeves 142. The telescopic sleeves 142 are slidably connected to the outside of the limiting vertical rod 12. The upper part of the movable plate 141 is fixedly connected to the four limiting vertical rods 12. Spring 15 is fixedly connected. The upper die assembly 17 includes a positioning plate 171, and an upper die 172 is fixedly connected below the positioning plate 171. Several second through holes 173 are opened on the upper sides of both sides of the positioning plate 171. The size and position of the first through hole 134 and the second through hole 173 correspond to each other. The positioning plate 171 is slidably connected to the limiting strip 132. The outer shell assembly 18 includes a top plate 181, and a movable groove 182 is opened on the top of the top plate 181. The top of the top plate 181 is fixedly connected to the transmission assembly 22 and the pressure assembly 23. The transmission assembly 22 is located in the movable groove 182 and drives the upper die 172 to move downward by a combination of transmission gear 221 and linkage mechanism. Compared with the traditional single drive method, this combined structure can transmit power more stably, reduce vibration and impact during operation, and make the equipment run more smoothly and reliably. At the same time, the rotation speed of the transmission gear 221 is precisely controlled by the driver 21, which further ensures the stability and consistency of each stamping stage.

[0023] The transmission assembly 22 includes a transmission gear 221. A rod 222 is fixedly connected to one side of the transmission gear 221. An adjusting rod 223 is sleeved on the rod 222. The other end of the adjusting rod 223 is fixedly connected to two rotators 224. The two rotators 224 are respectively engaged with two positioning blocks 225. The lower part of the positioning blocks 225 is fixedly connected to a drive block 26. The transmission gear 221 meshes with the pressure assembly 23 and is fixedly connected to the drive shaft of the driver 21. The rotators 224 consist of bearings and shafts. The pressure assembly 23 includes a fan 231. The output shaft of machine 231 is fixedly connected to pinion 232. Fan 231 is fixedly connected above top plate 181. The exhaust end of fan 231 is connected to pipe 24. Pinion 232 meshes with transmission gear 221. During high-speed stamping, fan 231 runs at maximum speed, injecting sufficient pressure into sliding sleeve 311 and sliding cylinder 314, effectively avoiding the springback of upper die 172. Springback of upper die 172 can easily cause deviation in workpiece size. The improved device ensures the accuracy of workpiece size and improves the processing precision of the equipment by reasonably controlling the pressure.

[0024] The pressure relief assembly 25 includes a sealing shell 251, a sealing plate 252 fixedly connected inside the sealing shell 251, a venting groove 253 on one side of the sealing plate 252, a baffle 254 rotatably connected inside the sealing shell 251, one side of the baffle 254 overlapping with one side of the sealing plate 252, and a venting groove 255 on one side of the baffle 254. The venting groove 253 and the venting groove 255 are offset. A sleeve 256 is snapped into one side of the sealing shell 251, and a handle 257 is rotatably connected inside the sleeve 256. One side of the handle 257 is fixedly connected to the baffle 254, and a coil spring 258 is sleeved around the handle 257. The other side of the sealing shell 251 is connected to the first pipe 24. The adjusting assembly 31 includes a sliding sleeve 311, a first sealing plate 312 slidably connected inside the sliding sleeve 311, and a first sealing plate 312 fixed inside the sliding sleeve 311. A second spring 313 is fixedly connected to the bottom of a first sealing plate 312. A slide cylinder 314 is fixedly connected below the first sealing plate 312. A second sealing plate 315 is slidably connected inside the slide cylinder 314. A slide rod 316 is fixedly connected below the second sealing plate 315. The slide rod 316 is connected to a slide sleeve 311 through the slide cylinder 314. A third spring 317 is fixedly connected inside the slide cylinder 314. Several vent holes 318 are opened on the outside of the slide rod 316. The top of the slide sleeve 311 is fixedly connected to a movable plate 141. The bottom of the slide cylinder 314 is fixedly connected to the movable plate 141. The slide rod 316 passes through a first through hole 134 and is engaged in a second through hole 173. The top of the slide sleeve 311 is connected to a telescopic tube 32. This design makes the equipment more stable, reduces vibration and impact damage to equipment parts, and lowers the equipment failure rate. At the same time, the reasonable structural design of each component facilitates inspection, cleaning, and maintenance, making equipment maintenance easier and more efficient, extending the equipment's service life, and reducing maintenance costs. The phased stamping method can rationally allocate stamping time and pressure according to different processing requirements, so that each stage can give full play to its role and avoid the problem of low processing efficiency caused by single speed and pressure in traditional stamping methods.

[0025] The working principle of the stamping and forming device for automotive chassis parts provided by this invention is as follows: During the stamping process, the sheet metal to be stamped is placed above the lower die 16, and then the driver 21 is started. By controlling the three speed modes of the driver 21, the sheet metal is processed in three steps. During the first step of processing the sheet metal, which is rough punching, the drive 21 operates at the slowest speed among its three gears. The drive 21 drives the transmission gear 221 to rotate, which transmits the rotational speed to the pinion 232 of the pressure assembly 23. The blower 231 operates synchronously and injects air into the first pipe 24, the pressure relief assembly 25, the second pipe 33, and the sliding sleeve 311. At this time, the pressure relief assembly 25 is in a sealed state, allowing all the gas to enter the sliding sleeve 311, pushing the first sealing plate 312 and the second sealing plate 315 downward. At this time, the second sealing plate 315 drives the sliding rod 316 downward and inserts it into the first through hole 134 and the second through hole 173, thereby completing the limiting of the upper mold 172. Simultaneously, the transmission gear 221 synchronously drives the insertion rod 222 and the adjusting rod 223 downward and pushes the drive block 26 downward, causing the drive block 26 to push the upper mold 172 downward. 72 contacts the sheet metal. Due to the low air pressure inside the sliding sleeve 311 and the sliding cylinder 314, the mounting plate 131 and the upper die 172 are subjected to pressure and rebound when stamping the sheet metal, thus achieving flexible initial pressing. After initial pressing, the sheet metal is processed in the second step. The driver 21 switches to the second gear medium speed operation. The fan 231 continuously supplies air to increase the pressure inside the sliding sleeve 311 and the sliding cylinder 314. At the same time, some gas will be discharged along the exhaust hole 318. At this time, the upper die 172 is driven by the drive block 26 to stamp the sheet metal again, so that the upper die 172 completes fine stamping under medium pressure. After fine stamping, the sheet metal is processed in the third step. The driver 21 switches to the first gear highest speed operation. The fan 231 increases the exhaust volume, and the high-speed rotating transmission gear 221 will also drive the insertion rod 222 and the adjusting rod 223 to move down at high speed. The drive block 26 quickly pushes the upper die 172 to complete the final stamping. When it is necessary to replace the upper mold 172 and the lower mold 16, simply rotate the handle 257 180 degrees to align the air leakage groove 253 and the air venting groove 255. At this time, the gas in the sliding sleeve 311, the sliding cylinder 314 and the first pipe 24 will be discharged along the gap between the sleeve 256 and the sealing shell 251 under the action of the elastic force of the third spring 317 and the second spring 313. At this time, the sliding rod 316 disengages from the first through hole 134 and the second through hole 173, the positioning plate 171 loses its positioning, and the upper mold 172 can slide out along the gap between the mounting plate 131 and the limiting strip 132, while the lower mold 16 can be directly removed.

[0026] Compared with related technologies, the stamping forming apparatus for automobile chassis parts provided by the present invention has the following beneficial effects: Because the equipment operates more stably, it reduces damage to equipment components from vibration and impact, thus lowering the equipment failure rate. At the same time, the rational structural design of each component facilitates inspection, cleaning, and maintenance, making equipment maintenance easier and more efficient, extending the equipment's lifespan, and reducing maintenance costs. The phased stamping method can rationally allocate stamping time and pressure according to different processing requirements, so that each stage can give full play to its role and avoid the problem of low processing efficiency caused by single speed and pressure in traditional stamping methods. When it is necessary to replace the upper mold 172 and the lower mold 16, simply rotate the handle 257 180 degrees to align the air leakage groove 253 and the air venting groove 255. At this time, the gas in the sliding sleeve 311, the sliding cylinder 314 and the first pipe 24 will be discharged along the gap between the sleeve 256 and the sealing shell 251 under the action of the elastic force of the third spring 317 and the second spring 313. At this time, the sliding rod 316 disengages from the first through hole 134 and the second through hole 173, the positioning plate 171 loses its positioning, and the upper mold 172 can slide out along the gap between the mounting plate 131 and the limiting strip 132. The lower mold 16 can be directly removed. This allows the device to quickly replace the appropriate mold according to the chassis parts of different specifications, significantly improving the equipment's versatility and mold changing efficiency, and further enhancing the adaptability of the device.

[0027] The above are merely embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A stamping forming apparatus for automotive chassis parts, characterized in that, include: The frame mechanism (1), the stamping mechanism (2), and the buffer mechanism (3) are connected to the upper part of the frame mechanism (1) and the buffer mechanism (3) is connected to the frame mechanism (1). Frame mechanism (1): Based on the base (11), four limiting vertical rods (12) are provided above it. The limiting vertical rods (12) are equipped with mounting components (13) and movable components (14), and are also fitted with four No. 1 springs (15). The lower mold (16) is connected to the base (11), the upper mold component (17) is connected to the mounting component (13), and the top of the four limiting vertical rods (12) is equipped with a shell component (18); Stamping mechanism (2): Includes a driver (21), which is connected to a transmission component (22). The bottom of the transmission component (22) is provided with a driving block (26), and is also connected to a pressure component (23). The pressure component (23) is connected to a pressure relief component (25) through a No. 1 pipe (24); Buffer mechanism (3): Composed of several adjustment components (31), a telescopic pipe (32) connected to the adjustment component (31), and a No. 2 pipe (33). The No. 2 pipe (33) is connected to several telescopic pipes (32).

2. The stamping and forming apparatus for automobile chassis parts according to claim 1, characterized in that, The four corners of the base (11) are respectively fixedly connected to the bottom of the four limiting vertical rods (12). The outer wall of the limiting vertical rod (12) can slide with the mounting component (13) and the movable component (14). The lower part of the movable component (14) is fixed to the mounting component (13). The upper part of the movable component (14) is fixedly connected to the bottom of the first spring (15). The first spring (15) is sleeved on the outside of the limiting vertical rod (12). The top of the first spring (15) is connected to the lower part of the outer shell component (18) fixed to the top of the limiting vertical rod (12). The lower mold (16) is snapped on the top of the base (11). The lower part of the mounting component (13) is snapped with the upper mold component (17).

3. The stamping forming apparatus for automobile chassis parts according to claim 2, characterized in that, The output shaft of the driver (21) is fixedly connected to the transmission assembly (22). The transmission assembly (22) meshes with the pressure assembly (23). The pressure assembly (23) is connected to the pressure relief assembly (25) through the first pipe (24). The bottom end of the transmission assembly (22) is fixedly connected to the drive block (26). The driver (21) and the pressure assembly (23) are both fixedly connected above the outer shell assembly (18). The drive block (26) is slidably connected above the mounting assembly (13). The other end of the first pipe (24) is connected to the second pipe (33).

4. The stamping and forming apparatus for automobile chassis parts according to claim 3, characterized in that, The number of adjustment components (31) is several, and the upper part of several adjustment components (31) is connected to several telescopic pipes (32), and the several telescopic pipes (32) are connected to the same No. 2 pipe (33). The two ends of the adjustment components (31) are fixedly connected to the installation component (13) and the movable component (14) respectively.

5. The stamping and forming apparatus for automobile chassis parts according to claim 4, characterized in that, The mounting assembly (13) includes a mounting plate (131), with two limiting strips (132) fixedly disposed below the mounting plate (131). A limiting groove (133) is opened above the mounting plate (131), and several through holes (134) are also provided above the mounting plate (131). The upper part of the mounting plate (131) is fixedly connected to the movable assembly (14). The driving block (26) is slidably connected within the limiting groove (133). The upper mold assembly (17) is snapped into position above the two limiting strips (132). The component (14) includes a movable plate (141), and telescopic sleeves (142) are fixedly installed at the four corners of the movable plate (141). A sliding groove (143) is provided on the upper part of the movable plate (141), and the driving block (26) is located in the sliding groove (143). The lower part of the movable plate (141) is fixedly connected to the mounting plate (131) through four telescopic sleeves (142). The telescopic sleeves (142) are slidably connected outside the limiting vertical rod (12). The upper part of the movable plate (141) is fixedly connected to four No. 1 springs (15).

6. The stamping and forming apparatus for automobile chassis parts according to claim 5, characterized in that, The upper mold assembly (17) includes a positioning plate (171), and an upper mold (172) is fixedly connected to the lower part of the positioning plate (171). Several No. 2 through holes (173) are opened on the upper sides of both sides of the positioning plate (171). The positioning plate (171) is slidably connected to the limiting strip (132). The outer shell assembly (18) includes a top plate (181), and an movable groove (182) is opened on the upper part of the top plate (181). The upper part of the top plate (181) is fixedly connected to the transmission assembly (22) and the pressure assembly (23). The transmission assembly (22) is located in the movable groove (182).

7. The stamping and forming apparatus for automobile chassis parts according to claim 6, characterized in that, The transmission assembly (22) includes a transmission gear (221), a plug rod (222) is fixedly connected to one side of the transmission gear (221), an adjusting rod (223) is sleeved on the plug rod (222), the other end of the adjusting rod (223) is fixedly connected to two rotators (224), the two rotators (224) are respectively engaged with two positioning blocks (225), the lower part of the positioning block (225) is fixedly connected to the drive block (26), the transmission gear (221) meshes with the pressure assembly (23), and the transmission gear (221) is fixedly connected to the drive shaft of the driver (21).

8. The stamping and forming apparatus for automobile chassis parts according to claim 7, characterized in that, The pressure assembly (23) includes a blower (231), the output shaft of which is fixedly connected to a pinion (232), the blower (231) is fixedly connected above the top plate (181), the exhaust end of which is connected to the first pipe (24), and the pinion (232) meshes with the transmission gear (221).

9. The stamping and forming apparatus for automobile chassis parts according to claim 8, characterized in that, The pressure relief assembly (25) includes a sealing shell (251), a sealing plate (252) is fixed inside the sealing shell (251), a venting groove (253) is provided on one side of the sealing plate (252), a baffle (254) is rotatably connected inside the sealing shell (251), one side of the baffle (254) overlaps with one side of the sealing plate (252), a venting groove (255) is provided on one side of the baffle (254), a sleeve (256) is snapped into one side of the sealing shell (251), a handle (257) is rotatably connected inside the sleeve (256), one side of the handle (257) is fixedly connected to the baffle (254), a coil spring (258) is sleeved on the handle (257), the other side of the sealing shell (251) is connected to the first pipe (24), and one end of the coil spring (258) is fixedly connected to the handle (257).

10. The stamping and forming apparatus for automobile chassis parts according to claim 9, characterized in that, The adjusting assembly (31) includes a sliding sleeve (311), in which a first sealing plate (312) is slidably connected. A second spring (313) is fixed inside the sliding sleeve (311). A sliding cylinder (314) is fixed below the first sealing plate (312). A second sealing plate (315) is slidably connected inside the sliding cylinder (314). A sliding rod (316) is fixed below the second sealing plate (315). The sliding rod (316) is connected to the sliding cylinder (314) via the sliding cylinder (314). The sleeve (311) is connected to the slide cylinder (314), and a third spring (317) is fixed inside the slide cylinder (314). Several exhaust holes (318) are opened on the outside of the slide rod (316). The top of the slide sleeve (311) is fixedly connected to the movable plate (141), and the bottom of the slide cylinder (314) is fixedly connected to the movable plate (141). The slide rod (316) passes through the first through hole (134) and is engaged in the second through hole (173). The top of the slide sleeve (311) is connected to the telescopic tube (32).

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