A stamping die for automobile parts

Abstract

The present invention discloses a stamping die for automobile parts, which relates to the technical field of stamping dies. The stamping die comprises a stamping mechanism, a stamping die group and a cleaning mechanism. The stamping die group is arranged on a workbench and is located between the stamping mechanism and the workbench. The punching head is arranged at the output end of the stamping mechanism. The material lifting assembly is arranged in the lower die base. When the material lifting plate is located at the unloading position, the material lifting assembly is used to control the upper surface position of the material lifting plate to be higher than the upper surface position of the lower die base; the cleaning mechanism comprises a swinging assembly, a swinging angle assembly, a purge plate and an air pump assembly. The output end of the air pump assembly is connected to the air inlet end of the purge plate, and the output end of the swinging assembly is transmission-connected to the purge plate. The swinging assembly is used to drive the purge plate to switch between an initial position and a purge position. When the purge plate rotates from the initial position to the purge position, the swinging angle assembly is used to drive the purge plate to swing. The stamping die realizes efficient purge of debris through the dynamic displacement of the purge plate in the cleaning mechanism.

Description

Technical Field

[0001] The invention belongs to the technical field of stamping dies, and in particular relates to a stamping die for automobile parts. Background Art

[0002] Auto parts refer to various components used in vehicle assembly, repair, or replacement. They are essential for the proper operation, maintenance, and upkeep of a vehicle, encompassing everything from exterior components to internal assemblies, mechanical parts, and electronic systems. The production of auto parts requires the use of stamping dies, specialized equipment used in cold stamping to transform materials (metal or non-metal) into parts (or semi-finished products).

[0003] At present, the stamping dies used for automotive parts are prone to generating metal debris at the bending parts due to the squeezing of the parts by the punch head and the lower die seat after stamping. When working for a long time, the metal debris accumulates in the groove of the lower die seat, affecting the subsequent part forming and increasing the wear of the die. In addition, the traditional manual method of frequently taking parts not only increases the labor intensity of the staff, but also may be scratched by the metal debris. Summary of the Invention

[0004] The purpose of the present invention is to provide a stamping die for automobile parts with a simple structure and reasonable design in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A stamping die for automobile parts, comprising:

[0007] A stamping mechanism, wherein the stamping mechanism is arranged on a workbench;

[0008] The stamping die set is arranged on the workbench and is located between the stamping mechanism and the workbench. The stamping die set includes a stamping head, a lower die base, a lifting plate, a lifting assembly and a transfer assembly. The stamping head is arranged at the output end of the stamping mechanism. The transfer assembly is connected to the lower die base through a turntable. The transfer assembly is used to drive multiple lower die bases to switch between different workstations in sequence. The opening position of the lower die base is provided with a lifting plate. The lifting assembly is arranged in the lower die base. When the lifting plate is located at the unloading position, the lifting assembly is used to control the upper surface position of the lifting plate to be higher than the upper surface position of the lower die base.

[0009] A cleaning mechanism, the cleaning mechanism is arranged above the workbench, and the cleaning mechanism is arranged on one side of the lower mold base located at the unloading position, the cleaning mechanism includes a swinging assembly, a swing angle assembly, a purge plate and a pump air assembly, the output end of the pump air assembly is connected to the air inlet end of the purge plate, the output end of the swinging assembly is transmission connected to the purge plate, the output end of the swing angle assembly is transmission connected to the purge plate, the swinging assembly is used to drive the purge plate to switch between the initial position and the purge position, when the purge plate rotates from the initial position to the purge position, the swing angle assembly is used to drive the purge plate to swing, so that the angle between the purge surface of the purge plate and the upper surface of the lifting plate gradually decreases.

[0010] As a further optimization scheme of the present invention, the swing assembly includes a first rack, a second rack, a driven gear and a support, and the lower mold base is fixedly provided with a side plate on one side of the fixed plate, and the fixed plate is fixedly mounted on the support base through a fixed column, and the first rack and the second rack are fixedly arranged above the side plate. Along the rotation direction of the turntable, the first rack is located in front of the second rack, and along the rotation radius direction of the turntable, the first rack is located on the side of the second rack close to the rotation axis of the turntable, the support is rotatably connected to the cantilever, and the cantilever is fixedly arranged on the fixed plate. One end of the support is fixedly connected to the driven gear, and the other end of the support is rotatably connected to the swing arm, and a purge plate is fixedly provided on the side of the swing arm, and a through slot is opened in the swing arm, and the through slot is communicated with the purge port of the purge plate, the output end of the swing angle assembly is transmission-connected to the swing arm, and the swing angle assembly is used to drive the swing arm to swing;

[0011] When the lower die base shifts from the cleaning position to the loading position, the first rack corresponding to the lower die base at the unloading position first engages with the driven gear to transmit, so that the purge plate swings from the initial position to the purge position, and then the second rack engages with the driven gear to transmit, so that the purge plate returns to the initial position.

[0012] As a further optimization scheme of the present invention, the swing angle assembly includes an inclined plate, a convex plate and a torsion spring. A convex plate is provided at the end of the blowing plate away from the swing arm, and the convex plate has a circular arc convex portion. The inclined plate is fixed on the fixed disk by a bracket, and the inclined plate is located above the lower mold base in the cleaning position. The inclined plate has an inclined surface facing the turntable, and the height of the inclined surface of the inclined plate gradually decreases along the swing direction of the blowing plate from the initial position to the blowing position. When the blowing plate swings from the initial position to the blowing position, the circular arc convex portion of the convex plate rubs against the inclined surface of the inclined plate, so that the angle between the blowing surface of the blowing plate and the upper surface of the lifting plate gradually decreases. A torsion spring is sleeved on the rotating connection between the swing arm and the support.

[0013] As a further optimization scheme of the present invention, the swing angle assembly also includes a rocker rod, a limit rod, a guide rod, a sleeve, a first spring and a shift plate. The support is rotatably connected to the rocker rod, and the end of the rocker rod away from the support is rotatably connected to one end of the guide rod, and the other end of the guide rod is slidably connected to the sleeve. The sleeve is fixedly arranged on the rocker arm, and a baffle is fixedly arranged in the inner cavity of the sleeve. The guide rod passes through one end of the baffle and is fixed with a shift plate. The inner cavity area of ​​the sleeve between the shift plate and the baffle is a ventilation cavity, and the ventilation cavity is connected to the through groove of the rocker arm. The guide rod is located on the side of the baffle away from the ventilation cavity and is sleeved with a first spring. A limit rod is also provided on the support, and the limit rods are arranged in pairs.

[0014] As a further optimization solution of the present invention, the pump air assembly includes an air pump and a hose, the output end of the air pump is connected to the input end of the hose, and the output end of the hose is connected to the ventilation cavity.

[0015] As a further optimization scheme of the present invention, the indexing assembly includes a support seat, a turntable, a driven gear ring, a driving gear and a motor. The support seat is fixedly set on the workbench, the turntable is rotatably set on the support seat, a sleeve is fixedly set at the lower end of the turntable, and a driven gear ring is fixedly set on the side of the sleeve. The driven gear ring is engaged with the driving gear for transmission, the output end of the motor is fixedly connected to the driving gear, and the upper end of the turntable is fixedly set with a lower mold base.

[0016] As a further optimization scheme of the present invention, the lifting assembly includes an abutment rod, a second spring and an abutment block, the sleeve is rotatably connected to the fixed column, the lower mold base is located on one side of the fixed plate, the lower mold base is provided with an abutment rod towards the side of the fixed plate, the abutment rod is slidably connected to the lower mold base, and the sliding direction of the abutment rod and the lower mold base is consistent with the rotation radius direction of the turntable; the abutment rod is fixedly provided with an outer abutment block at one end close to the fixed plate, and the abutment rod is fixedly provided with an inner abutment block at one end located inside the lower mold base, and the part of the abutment rod located between the inner abutment block and the lower mold base is sleeved with a second spring at the lower end of the lifting plate and is slidably connected to the lower mold base through a fixed abutment block, and a wedge surface is provided at the position of the abutment block close to the inner abutment block;

[0017] When the lower die base is in the stamping position, the arc radius of the corresponding fixed plate is smaller than the arc radius of the corresponding fixed plate when the lower die base is in the blanking position, and when the lower die base is in the stamping position, the outer abutment block and the fixed plate are spaced apart, and the upper surface position of the lifting plate is lower than the upper surface position of the lower die base; when the lower die base is in the blanking position, the outer abutment block is in frictional contact with the fixed plate, the inner abutment block is in frictional contact with the inclined surface of the abutment block, and the upper surface position of the lifting plate is higher than the upper surface position of the lower die base;

[0018] Wherein, a plurality of the lower die seats are evenly distributed circumferentially around the periphery of the fixed plate.

[0019] As a further optimization scheme of the present invention, along the rotation direction of the turntable, the arc side surface of the fixed disk includes a first area, a second area, a third area and a fourth area, and the first area, the second area, the third area and the fourth area are arranged in sequence. The arc radius of the first area is smaller than the arc radius of the third area, and the arc radius of the second area gradually increases, and the arc radius of the fourth area gradually decreases. When the lower mold base is located in the unloading position, the outer block frictionally abuts against the arc side surface of the third area.

[0020] As a further optimization scheme of the present invention, a blanking platform is provided on one side of the workbench, and the blanking platform is provided on one side of the lower die base located at the blanking position. A stamping frame is fixedly provided on the workbench, and a robotic arm is also provided on the stamping frame. A clamp is provided at the output end of the robotic arm, and the clamp is used to take the stamping part at the blanking position out of the lower die base and place it on the blanking platform.

[0021] As a further optimization scheme of the present invention, the stamping mechanism includes a hydraulic cylinder and a guide column. The stamping frame is provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to the upper die base, and the upper die base is fixedly provided with a stamping head on the side facing the workbench, wherein the upper die base is telescopically connected to the stamping frame through the guide column.

[0022] The present invention has at least the following beneficial effects: the stamping die for automobile parts provided by the present invention is provided with a stamping mechanism, a cleaning mechanism and a stamping die assembly. After the stamping mechanism drives the stamping head to complete the stamping process of the stamping blank at the stamping position, the lifting plate corresponding to the lower die seat located at the stamping position is moved up by means of the interference constraint between the outer block and the fixed plate, and the blank is lifted outside the lower die seat, thereby facilitating the subsequent gripping of the robot arm and transferring it to the unloading table. Manual unloading is unnecessary, workers will not be scratched by debris, and the safety factor is high.

[0023] Moreover, after unloading, the turntable continues to rotate, and when the lower die seat at the unloading position shifts toward the cleaning position, the first rack on the lower die seat at the stamping position is meshed with the driven gear, so that the support drives the blowing plate to swing through the swing arm, so that the blowing plate passes over the lower die seat at the cleaning position, and under the abutment constraint of the convex plate and the inclined plate, the blowing plate rotates while swinging, so that the blowing plate blows away the metal debris on the surface of the lifting plate, and in the blowing process, the angle between the blowing surface of the blowing plate and the upper surface of the lifting plate gradually decreases, so that the airflow between the blowing surface of the blowing plate and the lifting plate will be more concentrated, and the impact force of the airflow will be enhanced, and the driving force on the debris will be enhanced, thereby improving the cleaning quality of the metal debris on the surface of the lifting plate;

[0024] In addition, in the process of the purge plate swinging from the initial position to the purge position, when the purge plate swings around the rotation axis of the swing arm and the support, under the transmission constraint of the swing arm and the guide rod, the guide rod first slides toward the outside of the sleeve and then slides toward the inside of the sleeve, so that the cross-sectional size of the ventilation cavity first decreases and then increases, so that the airflow velocity first increases and then decreases until the airflow tends to the initial stable state, avoiding noise caused by continuous excessively high airflow velocity. Among them, in the process of gradually reducing the cross-sectional size of the ventilation cavity, the airflow velocity blown out of the purge port of the purge plate increases, that is, the impact force of the purge on the debris increases, thereby ensuring the purge effect of the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a partial cross-sectional structural schematic diagram of the stamping die assembly of the present invention;

[0027] Figure 3 It is a partial structural diagram of the assembly structure of the cleaning mechanism and the punching die set of the present invention;

[0028] Figure 4 It is a schematic diagram of the partial structural distribution of the driven gear ring, the first rack and the second rack when the cleaning mechanism of the present invention is in the initial position;

[0029] Figure 5 It is a partial structural schematic diagram of the cleaning mechanism of the present invention when the purge plate is in the initial position;

[0030] Figure 6 This invention Figure 5 A schematic diagram of a partial cross-sectional structure;

[0031] Figure 7 It is a partial structural schematic diagram of the cleaning mechanism of the present invention when the purge plate is in the purge position;

[0032] Figure 8 This invention Figure 2 Enlarged view of point A in the middle;

[0033] Figure 9 It is a schematic diagram of the distribution of multiple lower die bases and fixed plates of the present invention;

[0034] Figure 10 It is a structural schematic diagram of the punching mechanism of the present invention.

[0035] Figure: 1. Workbench; 2. Cleaning mechanism; 201. Side plate; 202. Second rack; 203. First rack; 204. Driven gear; 205. Hose; 206. Inclined plate; 207. Bracket; 208. Purge plate; 209. Convex plate; 210. Swing arm; 211. Swing rod; 212. Limit rod; 213. Support; 214. Guide rod; 215. Sleeve; 216. First spring; 217. Baffle; 218. Shift plate; 219. Cantilever; 3. Stamping die set ;301, lower die base; 302, turntable; 303, support base; 304, driving gear; 305, motor; 306, driven gear ring; 307, outer abutment block; 308, fixed plate; 309, lifting plate; 310, abutment block; 311, inner abutment block; 312, second spring; 313, abutment rod; 314, sleeve; 4, unloading table; 5, robotic arm; 6, stamping mechanism; 61, stamping frame; 62, hydraulic cylinder; 63, stamping head; 64, guide column; 65, upper die base. DETAILED DESCRIPTION

[0036] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0037] In one embodiment, if Figure 1 、 Figure 2 As shown, a stamping die for automobile parts includes:

[0038] A stamping mechanism 6, wherein the stamping mechanism 6 is arranged on the workbench 1;

[0039] The stamping die set 3 is set on the workbench 1 and is located between the stamping mechanism 6 and the workbench 1. Figure 2 and Figure 10 The stamping die set 3 includes a stamping head 63, a lower die base 301, a lifting plate 309, a lifting assembly and a transfer assembly. The stamping head 63 is arranged at the output end of the stamping mechanism 6. The transfer assembly is transmission-connected to the lower die base 301 through a turntable 302. The transfer assembly is used to drive multiple lower die bases 301 to switch between different workstations in sequence. The opening position of the lower die base 301 is provided with a lifting plate 309. The lifting assembly is arranged in the lower die base 301. When the lifting plate 309 is located at the unloading position, the lifting assembly is used to control the upper surface position of the lifting plate 309 to be higher than the upper surface position of the lower die base 301.

[0040] The cleaning mechanism 2 is arranged above the workbench 1, and the cleaning mechanism 2 is arranged on one side of the lower mold base 301 located at the unloading position. The cleaning mechanism 2 includes a swinging component, a swing angle component, a purge plate 208 and a pump air component. The output end of the pump air component is connected to the air inlet end of the purge plate 208, the output end of the swinging component is transmission-connected to the purge plate 208, and the output end of the swing angle component is transmission-connected to the purge plate 208. The swinging component is used to drive the purge plate 208 to switch between the initial position and the purge position. When the purge plate 208 rotates from the initial position to the purge position, the swing angle component is used to drive the purge plate 208 to swing, so that the angle between the purge surface of the purge plate 208 and the upper surface of the lifting plate 309 gradually decreases.

[0041] In the above embodiment, after the stamping blank is placed on the lower die base 301 and receives the stamping processing of the punch head 63, the lower die base 301 is shifted from the stamping position to the unloading position. At this time, the lifting plate is driven upward by the lifting assembly so that the lifting plate 309 pushes the stamping part out of the lower die base 301 to facilitate the removal of the stamping part and avoid the stamping part from being stuck in the lower die base 301. At this time, the metal debris squeezed out of the lower die base 301 due to stamping is pushed out of the lower die base 301 under the upward movement of the lifting plate 309. Then, the swing assembly drives the purge plate 208 to switch between the initial position and the purge position. When the purge plate 208 rotates from the initial position to the purge position, the swing angle assembly is used to drive the purge plate 208 to rotate from the initial position to the purge position. The sweeping plate 208 swings so that the angle between the sweeping surface of the sweeping plate 208 and the upper surface of the lifting plate 309 gradually decreases, thereby enabling the sweeping plate 208 to sweep the surface of the lifting plate 309 to sweep the metal debris on its surface, and during the sweeping process, the angle between the sweeping surface of the sweeping plate 208 and the upper surface of the lifting plate 309 gradually decreases, that is, the angle between the sweeping airflow direction of the sweeping plate 208 and the upper surface of the lifting plate 309 gradually increases, so that the airflow between the sweeping surface of the sweeping plate 208 and the lifting plate 309 will be more concentrated, and the impact force of the airflow will be enhanced, and the driving force on the debris will be enhanced, thereby improving the cleaning quality of the metal debris on the surface of the lifting plate 309.

[0042] It should be noted that multiple lower die bases 301 are switched in sequence between different workstations, which means that the lower die base 301, driven by the indexing assembly, passes through the loading position, stamping position, unloading position, and cleaning position in sequence, and multiple lower die bases 301 pass through the above positions in sequence, that is, the process contents of the lower die bases 301 at different workstations do not interfere with each other, so that the stamping mold of the above-mentioned automotive accessories can perform processes in multiple positions at the same time to improve processing efficiency.

[0043] For example, see Figure 3 、 Figure 4 and Figure 5The swing assembly includes a first rack 203, a second rack 202, a driven gear 204 and a support 213. A side plate 201 is fixedly provided on the side of the lower mold base 301 facing the fixed disk 308. The fixed disk 308 is fixedly provided on the support base 303 through a fixing column. The first rack 203 and the second rack 202 are fixedly provided above the side plate 201. Along the rotation direction of the turntable 302, that is, the direction indicated by the dotted arrow in the figure, the first rack 203 is located in front of the second rack 202, and along the rotation radius direction of the turntable 302, the first rack 203 is located in front of the second rack 202 is close to the side of the rotation axis of the turntable 302, and the support 213 is rotatably connected to the cantilever 219, and the cantilever 219 is fixedly set on the fixed disk 308. One end of the support 213 is fixedly connected to the driven gear 204, and the other end of the support 213 is rotatably connected to the swing arm 210. The side of the swing arm 210 is fixedly provided with a purge plate 208, and a through groove is opened in the swing arm 210, which is connected to the purge port of the purge plate 208. The purge port is opened on one side of the purge surface of the purge plate 208. The output end of the swing angle assembly is transmission-connected to the swing arm 210, and the swing angle assembly is used to drive the swing arm 210 to swing.

[0044] It should be noted that if Figure 9 As shown, since multiple lower die holders 301 are circumferentially distributed on the outside of the fixed plate 308, before the lower die holder 301 at the unloading position completes unloading, one lower die holder 301 is already at the cleaning position, so that Figure 9 Taking the position shown as an example, the position of the lower die base 301 at the far right is the unloading position. Along the rotation direction of the turntable 302, that is, the clockwise direction, the position of the lower die base 301 located in front of the unloading position is the cleaning position. Therefore, under the drive of the indexing assembly, the lower die base 301 at the unloading position moves toward the cleaning position. At the same time, when the lower die base 301 at the cleaning position moves toward the loading position, the first rack 203 corresponding to the lower die base 301 at the unloading position first engages with the driven gear 204 for transmission, as shown in FIG. Figure 4 Taking the illustrated position as an example, the driven gear 204 rotates counterclockwise, causing the purge plate 208 to pass over the lower die holder 301 at the cleaning position. The second rack 202 then engages with the driven gear 204, causing the purge plate 208 to return to its initial position. This completes the movement of the lifting plate 309 corresponding to the lower die holder 301 at the cleaning position. At this point, the purge plate 208 returns to its initial position, and the lower die holder 301 at the unloading position shifts to the cleaning position, awaiting cleaning by the cleaning mechanism 2.

[0045] For example, see Figure 3 and Figure 5The swing angle assembly includes an inclined plate 206, a convex plate 209 and a torsion spring. A convex plate 209 is provided at one end of the blowing plate 208 away from the swing arm 210, and the convex plate 209 has an arc convex portion. The inclined plate 206 is fixed on the fixed disk 308 by the bracket 207, and the inclined plate 206 is located above the lower mold base 301 in the cleaning position. The inclined plate 206 has an inclined surface facing the workbench 1, and along the swing direction of the blowing plate 208 from the initial position to the blowing position, the inclined surface height of the inclined plate 206 gradually decreases. When the blowing plate 208 swings from the initial position to the blowing position, the arc convex portion of the convex plate 209 rubs against the inclined surface of the inclined plate 206, so that the angle between the blowing surface of the blowing plate 208 and the upper surface of the lifting plate 309 gradually decreases, and a torsion spring is sleeved on the rotating connection between the swing arm 210 and the support 213. When the swing arm 210 drives the purge plate 208 to swing from the purge position toward the initial position, the purge plate 208 is reset to the initial position under the action of the torsion spring.

[0046] In one embodiment, based on the content of the above embodiment, continue to refer to Figure 5 、 Figure 6 and Figure 7 The swing angle assembly also includes a swing rod 211, a limit rod 212, a guide rod 214, a sleeve 215, a first spring 216 and a shift plate 218. The support 213 is rotatably connected to the swing rod 211. The end of the swing rod 211 away from the support 213 is rotatably connected to one end of the guide rod 214. The other end of the guide rod 214 is slidably connected to the sleeve 314. The sleeve 314 is fixedly set on the swing arm 210, and a fixed spring is set in the inner cavity of the sleeve 314. A baffle 217 is provided, and a shift plate 218 is fixedly provided at one end of the guide rod 214 passing through the baffle 217. The inner cavity area of ​​the sleeve 314 between the shift plate 218 and the baffle 217 is a ventilation cavity, and the ventilation cavity is connected to the through groove of the swing arm 210. The guide rod 214 is located on the side of the baffle 217 away from the ventilation cavity and is sleeved with a first spring 216. A limiting rod 212 is also provided on the support 213, and the limiting rods 212 are provided in pairs.

[0047] In the above embodiment, if Figure 6 The figure shows the structure of the purge plate 208 when it is in the initial position. Figure 7 The schematic diagram of the structure of the purge plate in the purge position is shown. When the driven gear 204 is meshed with the first rack 203, the support 213 drives the purge plate 208 to swing from the initial position to the purge position through the swing arm 210. The actual swing trajectory of the rotation connection point between the swing rod 211 and the guide rod 214 is: Figure 6 The short dashed line indicates the trajectory, and the swing trajectory of the swing rod 211 at the rotation connection point with the guide rod 214 when it is not extended is Figure 6 The long dashed line indicates the trajectory, so Figure 6It can be seen that when the convex plate 209 is resisted by the inclined plate 206, the purge plate 208 rotates counterclockwise (in degrees) around the rotation axis of the swing arm 210 and the support 213. Figure 6 When the swing rod 211 and the guide rod 214 swing in the direction shown in the figure, the swing rod 211 constrains the guide rod 214. When the rotation connection point between the swing rod 211 and the guide rod 214 swings counterclockwise to the highest point, the guide rod 214 slides toward the outside of the sleeve 215, and the first spring 216 is compressed, so that the shift plate 218 moves toward the direction close to the baffle 217, thereby reducing the cross-sectional size of the ventilation cavity between the baffle 217 and the shift plate 218. According to the continuity equation of fluid mechanics: A1V1=A2V2=Q, where A1 represents the initial cross-sectional size of the ventilation cavity, V1 represents the airflow sweeping speed under the condition A1, A2 represents the cross-sectional size of the ventilation cavity after the change, and V2 represents the cross-sectional size of the ventilation cavity under the condition A2. The air flow purge speed under the conditions, Q represents the volume flow rate of the gas, which is a constant. It can be seen that when A1>A2, V1<V2, so that the cross-sectional size of the ventilation cavity is reduced, the purge air flow speed increases, that is, the purge impact force on the debris is increased, thereby ensuring the debris purge effect. When the rocker arm 211 continues to swing counterclockwise to the purge position, under the reset action of the first spring 216, the guide rod 214 slides toward the inside of the sleeve 215 again until the cross-sectional size of the ventilation cavity is restored to the initial size, that is, the cross-sectional size of the ventilation cavity first increases and then decreases, so that the air flow speed first increases and then decreases until the air flow tends to the initial stable state, avoiding the noise caused by the continuous high air flow speed.

[0048] It should be further explained that the swing position of the swing rod 211 is constrained by the limiting rod 212, such as Figure 6 and Figure 7 As shown, preferably, when the rocker arm 211 swings counterclockwise to the maximum angular displacement, the blowing surface of the blowing plate 208 is parallel to the upper surface of the lifting plate 309. At this time, the impact direction of the blowing airflow of the blowing plate 208 is perpendicular to the upper surface of the lifting plate 309, and the distance between the blowing surface of the blowing plate 208 and the upper surface of the lifting plate 309 is the shortest, thereby ensuring the blowing effect of the debris.

[0049] It should be noted that, please continue to refer to Figure 3 The pump assembly includes an air pump (not shown) and a hose 205. The output end of the air pump is connected to the input end of the hose 205, and the output end of the hose 205 is connected to the ventilation cavity. Thus, a constant Q is introduced into the ventilation cavity through the hose 205. The hose 205 can freely twist under the swinging of the swing arm 210 without affecting the cross-sectional dimensions of the airflow delivery conduit therein.

[0050] For example, see Figure 2The indexing assembly includes a support base 303, a turntable 302, a driven gear ring 306, a driving gear 304 and a motor 305. The support base 303 is fixedly set on the workbench 1, and the turntable 302 is rotatably set on the support base 303. A sleeve 314 is fixedly set at the lower end of the turntable 302, and a driven gear ring 306 is fixedly set on the side of the sleeve 314. The driven gear ring 306 is meshed with the driving gear 304 for transmission. The output end of the motor 305 is fixedly connected to the driving gear 304, and the upper end of the turntable 302 is fixed with the lower die base 301. The motor 305 drives the driving gear 304 to mesh with the driven gear ring 306, so that the turntable 302 drives the upper lower die base 301 to shift circumferentially, that is, Figure 3 and Figure 4 The dotted arrow in FIG. 3 indicates the circumferential displacement direction, wherein the driving of the driving gear 304 by the motor 305 is intermittent, so that the lower die base 301 will not shift when the punch head 63 performs the punching process.

[0051] For example, see Figure 2 、 Figure 8 and Figure 9 The lifting assembly includes an abutment rod 313, a second spring 312 and an abutment block 310. The sleeve 314 is rotatably connected to the fixed column. The lower die base 301 is located on one side of the fixed disk 308. The lower die base 301 is provided with an abutment rod 313 on the side facing the fixed disk 308. The abutment rod 313 is slidably connected to the lower die base 301, and the sliding direction of the abutment rod 313 and the lower die base 301 is consistent with the rotation radius direction of the turntable 302. An outer abutment 307 is fixedly provided at one end close to the fixed plate 308, an inner abutment 311 is fixedly provided at one end of the abutment rod 313 located inside the lower die base 301, and a second spring 312 is sleeved on a portion of the abutment rod 313 located between the inner abutment 311 and the lower die base 301. The lower end of the lifting plate 309 is slidably connected to the lower die base 301 via a fixed abutment 310, and a wedge surface is provided on the abutment block 310 near the inner abutment 311.

[0052] When the lower die base 301 is in the stamping position, the arc radius of the corresponding fixed plate 308 is smaller than the arc radius of the corresponding fixed plate 308 when the lower die base 301 is in the blanking position, and when the lower die base 301 is in the stamping position, the outer abutment 307 and the fixed plate 308 are spaced apart, and the upper surface position of the lifting plate 309 is lower than the upper surface position of the lower die base 301; when the lower die base 301 is in the blanking position, the outer abutment 307 and the fixed plate 308 are frictionally abutted, the inner abutment 311 and the inclined surface of the abutment block 310 are frictionally abutted, and the upper surface position of the lifting plate 309 is higher than the upper surface position of the lower die base 301;

[0053] The plurality of lower die seats 301 are evenly distributed circumferentially around the periphery of the fixed plate 308 .

[0054] For example, see Figure 9 Along the rotation direction of the turntable 302, the arc side surface of the fixed disk 308 includes a first area ①, a second area ②, a third area ③ and a fourth area ④, and the first area ①, the second area ②, the third area ③ and the fourth area ④ are arranged in sequence. The arc radius of the first area ① is smaller than the arc radius of the third area ③, and the arc radius of the second area ② gradually increases, and the arc radius of the fourth area ④ gradually decreases. When the lower mold base 301 is located at the unloading position, the outer abutment block 307 frictionally abuts against the arc side surface of the third area ③.

[0055] In the above embodiment, when the lower die base 301 is respectively located at the loading position and the stamping position, the outer abutment 307 is spaced apart from the arc side surface of the first area ①; as the turntable 302 rotates, the outer abutment 307 slides along the second area ②, causing the lifting plate 309 to gradually move upward until the lower die base 301 is transferred to the unloading position, that is, the outer abutment 307 abuts against the arc side surface of the third area ③. At this time, Figure 8 As shown, the lifting plate 309 is lifted to a position where the upper surface of the lifting plate 309 is higher than the upper surface of the lower die base 301; thus, after the stamping part is completed, when the purge plate 208 purges the lifting plate 309 on the lower die base 301 at the cleaning position, the outer abutment 307 corresponding to the lower die base 301 at the cleaning position is still in contact with the arc side of the third area ③; then after the lower die base 301 leaves the cleaning position, it continues to move along the arc side of the fourth area ④ through the outer abutment 307 until the lower die base 301 shifts to the loading position. At this time, the outer abutment 307 rubs against the arc side of the first area ①, and the above actions are repeated to perform periodic work on the same lower die base 301.

[0056] For example, see Figure 1 A blanking platform 4 is provided on one side of the workbench 1, and the blanking platform 4 is provided on one side of the lower die base 301 located at the blanking position. A stamping frame 61 is fixedly provided on the workbench 1, and a robotic arm 5 is also provided on the stamping frame 61. A clamp is provided at the output end of the robotic arm 5. The clamp is used to take the stamping part at the blanking position out of the lower die base 301 and place it on the blanking platform 4, and by lifting the lifting plate 309, the edge of the stamping part protrudes out of the lower die base 301, which is convenient for the clamp to clamp the side of the stamping part and transfer it to the blanking platform 4.

[0057] For example, see Figure 1 and Figure 10The stamping mechanism 6 includes a hydraulic cylinder 62 and a guide column 64. The hydraulic cylinder 62 is provided on the stamping frame 61. The output end of the hydraulic cylinder 62 is fixedly connected to the upper die base 65. The upper die base 65 is fixedly provided with a punch head 63 on the side facing the workbench 1. The upper die base 65 is telescopically connected to the stamping frame 61 through the guide column 64. The hydraulic cylinder 62 drives the upper die base 65, so that the upper die base 65 drives the punch head 63 to perform stamping processing on the stamping blank on the lower die base 301 located at the stamping position.

[0058] It should be noted that, when in use, the stamping die for automobile parts drives the driving gear 304 to mesh with the driven gear ring 306 through intermittent rotation through the intermittent drive of the motor 305, thereby realizing that the turntable 302 drives the multiple lower die holders 301 to pass through the loading position, the stamping position, the unloading position and the cleaning position in sequence, and drives the punch head 63 through the stamping mechanism 6 to stamp the stamping blank on the lower die holder 301 located at the stamping position;

[0059] Then, after the turntable 302 drives the lower die base 301 to move from the stamping position to the unloading position, the outer abutment block 307 and the fixed plate 308 are restrained by the abutment of the fixed plate 308, so that the lifting plate 309 of the lower die base 301 at the unloading position is lifted and moved upward until the upper surface position of the lifting plate 309 is higher than the upper surface position of the lower die base 301, so that the metal debris squeezed out of the lower die base 301 by the stamping is pushed out of the lower die base 301 under the upward movement of the lifting plate 309, and it is convenient for the clamping claws of the robot arm 5 to take out the stamped workpiece and transfer it to the unloading table 4, without manual unloading, and no workers will be scratched by debris, with a high safety factor;

[0060] The turntable 302 continues to rotate. At this time, the first rack 203 on the lower die base 301 at the stamping position engages with the driven gear 204, so that the support 213 drives the purge plate 208 along the swing arm 210. Figure 4 The rabbet 208 is rotated around the axis of rotation of the swing arm 210 and the support 213 while swinging, so that the rabbet 208 sweeps over the surface of the lifting plate 309 to blow away the metal debris on the surface thereof, and during the blowing process, the angle between the blowing surface of the rabbet 208 and the upper surface of the lifting plate 309 gradually decreases, that is, the angle between the blowing airflow direction of the rabbet 208 and the upper surface of the lifting plate 309 gradually increases, so that the airflow between the blowing surface of the rabbet 208 and the lifting plate 309 is more concentrated, and the impact force of the airflow is enhanced, and the driving force on the debris is enhanced, thereby improving the cleaning quality of the metal debris on the surface of the lifting plate 309;

[0061] Also, see Figure 6In the process of the purge plate 208 swinging from the initial position to the purge position, when the purge plate 208 swings around the rotation axis of the swing arm 210 and the support 213, under the transmission constraint of the swing rod 211 and the guide rod 214, the guide rod 214 first slides toward the outside of the sleeve 215 and then slides toward the inside of the sleeve 215, so that the cross-sectional size of the ventilation cavity is first reduced and then increased, so that the airflow velocity is first increased and then decreased until the airflow tends to the initial stable state, avoiding the noise generated by the continuous excessively high airflow velocity. Among them, in the process of the cross-sectional size of the ventilation cavity gradually decreasing, the airflow velocity blown out of the purge port of the purge plate 208 increases, that is, the impact force of the purge on the debris is increased, thereby ensuring the purge effect of the debris.

[0062] The above-described embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A stamping die for automobile parts, characterized in that: include: A stamping mechanism (6), wherein the stamping mechanism (6) is arranged on the workbench (1); A stamping die set (3), the stamping die set (3) is arranged on the workbench (1) and is located between the stamping mechanism (6) and the workbench (1), the stamping die set (3) includes a stamping head (63), a lower die base (301), a material lifting plate (309), a material lifting assembly and a transfer assembly, the stamping head (63) is arranged at the output end of the stamping mechanism (6), the transfer assembly is connected to the lower die base (301) through a turntable (302), and the transfer assembly is used to drive multiple lower die bases (301) to switch between different workstations in sequence, wherein the opening position of the lower die base (301) is provided with a material lifting plate (309), and the material lifting assembly is arranged in the lower die base (301), and when the material lifting plate (309) is located at the unloading position, the material lifting assembly is used to control the upper surface position of the material lifting plate (309) to be higher than the upper surface position of the lower die base (301); A cleaning mechanism (2), the cleaning mechanism (2) is arranged above the workbench (1), and the cleaning mechanism (2) is arranged on one side of the lower mold base (301) located at the unloading position, the cleaning mechanism (2) includes a swing component, a swing angle component, a purge plate (208) and a pump air component, the output end of the pump air component is connected to the air inlet end of the purge plate (208), the output end of the swing component is transmission-connected to the purge plate (208), the output end of the swing angle component is transmission-connected to the purge plate (208), the swing component is used to drive the purge plate (208) to switch between the initial position and the purge position, when the purge plate (208) rotates from the initial position to the purge position, the swing angle component is used to drive the purge plate (208) to swing, so that the angle between the purge surface of the purge plate (208) and the upper surface of the lifting plate (309) gradually decreases; The swing assembly includes a first rack (203), a second rack (202), a driven gear (204) and a support (213); a side plate (201) is fixedly provided on the side of the lower die base (301) facing the fixed disk (308); the fixed disk (308) is fixedly provided on the support base (303) through a fixed column; a first rack (203) and a second rack (202) are fixedly provided above the side plate (201); along the rotation direction of the turntable (302), the first rack (203) is located in front of the second rack (202); and along the rotation radius direction of the turntable (302), the first rack (203) is located in front of the second rack (202); The second rack (202) is close to one side of the rotation axis of the turntable (302), the support (213) is rotatably connected to the cantilever (219), the cantilever (219) is fixedly arranged on the fixed disk (308), one end of the support (213) is fixedly connected to the driven gear (204), the other end of the support (213) is rotatably connected to the swing arm (210), the side of the swing arm (210) is fixedly provided with a purge plate (208), a through groove is opened in the swing arm (210), and the through groove is connected to the purge port of the purge plate (208), the output end of the swing angle assembly is transmission-connected to the swing arm (210), and the swing angle assembly is used to drive the swing arm (210) to swing; When the lower die base (301) shifts from the cleaning position to the loading position, the first rack (203) corresponding to the lower die base (301) at the loading position first meshes with the driven gear (204) to transmit the movement, causing the purge plate (208) to swing from the initial position to the purge position, and then the second rack (202) meshes with the driven gear (204) to transmit the movement, causing the purge plate (208) to return to the initial position.

2. The automotive parts stamping die according to claim 1, characterized in that: The swing angle assembly includes an inclined plate (206), a convex plate (209) and a torsion spring. The convex plate (209) is provided at one end of the purge plate (208) away from the swing arm (210). The convex plate (209) has a circular arc convex portion. The inclined plate (206) is fixed on the fixed plate (308) through a bracket (207). The inclined plate (206) is located above the lower mold base (301) in the cleaning position. The inclined plate (206) has an inclined surface on the side facing the workbench (1). Furthermore, as the purge plate (208) swings from the initial position to the purge position, the height of the inclined surface of the inclined plate (206) gradually decreases. When the purge plate (208) swings from the initial position to the purge position, the arc convex portion of the convex plate (209) rubs against the inclined surface of the inclined plate (206), causing the angle between the purge surface of the purge plate (208) and the upper surface of the lifting plate (309) to gradually decrease. A torsion spring is sleeved on the rotating connection between the swing arm (210) and the support (213).

3. The automotive parts stamping die according to claim 2, characterized in that: The swing angle assembly further comprises a swing rod (211), a limit rod (212), a guide rod (214), a sleeve (215), a first spring (216) and a shift plate (218). The support (213) is rotatably connected to the swing rod (211). One end of the swing rod (211) away from the support (213) is rotatably connected to one end of the guide rod (214). The other end of the guide rod (214) is slidably connected to the sleeve (215). The sleeve (215) is fixedly arranged on the swing arm (210), and a first spring (216) is fixed in the inner cavity of the sleeve (215). A baffle (217) is provided, and a shift plate (218) is fixedly provided at one end of the guide rod (214) passing through the baffle (217). The inner cavity area of ​​the sleeve (215) between the shift plate (218) and the baffle (217) is a ventilation cavity, and the ventilation cavity is connected to the through groove of the swing arm (210). The guide rod (214) is located on the side of the baffle (217) away from the ventilation cavity and is sleeved with a first spring (216). A limiting rod (212) is also provided on the support (213), and the limiting rods (212) are provided in pairs.

4. The automotive parts stamping die according to claim 3, characterized in that: The pump air assembly comprises an air pump and a hose (205), the output end of the air pump is in communication with the input end of the hose (205), and the output end of the hose (205) is in communication with the ventilation cavity.

5. The automobile parts stamping die according to claim 4, characterized in that: The indexing assembly comprises a support base (303), a turntable (302), a driven gear ring (306), a driving gear (304) and a motor (305), wherein the support base (303) is fixedly arranged on the workbench (1), the turntable (302) is rotatably arranged on the support base (303), a sleeve (314) is fixedly arranged at the lower end of the turntable (302), a driven gear ring (306) is fixedly arranged on the side of the sleeve (314), and the driven gear ring (306) is meshed with the driving gear (304) for transmission, the output end of the motor (305) is fixedly connected to the driving gear (304), and the upper end of the turntable (302) is fixedly arranged with a lower die base (301).

6. The automobile parts stamping die according to claim 5, characterized in that: The material lifting assembly includes an abutment rod (313), a second spring (312) and an abutment block (310), the sleeve (314) is rotatably connected to the fixed column, the lower die base (301) is located on one side of the fixed disk (308), and an abutment rod (313) is provided on the side of the lower die base (301) facing the fixed disk (308), the abutment rod (313) is slidably connected to the lower die base (301), and the sliding direction of the abutment rod (313) and the lower die base (301) is consistent with the rotation radius direction of the turntable (302), and the abutment rod (313) is slidably connected to the lower die base (301). 13) An outer abutment block (307) is fixedly provided at one end close to the fixed plate (308), an inner abutment block (311) is fixedly provided at one end of the abutment rod (313) located inside the lower die base (301), and a second spring (312) is sleeved on a portion of the abutment rod (313) located between the inner abutment block (311) and the lower die base (301), the lower end of the lifting plate (309) is slidably connected to the lower die base (301) via a fixed abutment block (310), and a wedge surface is provided at a position of the abutment block (310) close to the inner abutment block (311); When the lower die base (301) is in the punching position, the corresponding arc radius of the fixed disk (308) is smaller than the arc radius of the fixed disk (308) when the lower die base (301) is in the blanking position, and when the lower die base (301) is in the punching position, the outer abutment block (307) and the fixed disk (308) are spaced apart, and the upper surface position of the lifting plate (309) is lower than the upper surface position of the lower die base (301); when the lower die base (301) is in the blanking position, the outer abutment block (307) and the fixed disk (308) are in frictional contact, the inner abutment block (311) and the inclined surface of the abutment block (310) are in frictional contact, and the upper surface position of the lifting plate (309) is higher than the upper surface position of the lower die base (301); Wherein, a plurality of the lower die seats (301) are evenly distributed circumferentially around the periphery of the fixed disk (308).

7. The automobile parts stamping die according to claim 6, characterized in that: Along the rotation direction of the turntable (302), the arc side surface of the fixed disk (308) includes a first area, a second area, a third area and a fourth area, and the first area, the second area, the third area and the fourth area are arranged in sequence, the arc radius of the first area is smaller than the arc radius of the third area, and the arc radius of the second area gradually increases, and the arc radius of the fourth area gradually decreases. When the lower mold base (301) is located at the unloading position, the outer abutment block (307) frictionally abuts against the arc side surface of the third area.

8. The automobile parts stamping die according to claim 7, characterized in that: A blanking platform (4) is provided on one side of the workbench (1), and the blanking platform (4) is provided on one side of the lower die base (301) located at the blanking position. A stamping frame (61) is fixedly provided on the workbench (1), and a mechanical arm (5) is also provided on the stamping frame (61). A clamping claw is provided at the output end of the mechanical arm (5), and the clamping claw is used to take the stamping part at the blanking position out of the lower die base (301) and place it on the blanking platform (4).

9. The automobile parts stamping die according to claim 8, characterized in that: The punching mechanism (6) includes a hydraulic cylinder (62) and a guide column (64). The hydraulic cylinder (62) is provided on the punching frame (61). The output end of the hydraulic cylinder (62) is fixedly connected to an upper die base (65). A punching head (63) is fixedly provided on the side of the upper die base (65) facing the workbench (1). The upper die base (65) is telescopically connected to the punching frame (61) via the guide column (64).

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