Cold stamping pressure forming die for vehicle body covering part
By introducing guide columns, dampers and laser detection systems into the pressure forming mold, the problem of mold damage due to excessive impact force is solved, the mold buffering and precise mold clamping are achieved, and the molding accuracy and reliability are improved.
Patent Information
- Application Number
- CN202422373875.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing pressure forming molds lack effective stamping buffer structure, resulting in damage to the upper and lower dies during the mold closing process due to excessive impact force.
The buffer structure is introduced into the mold, and the mold buffering and precise mold clamping are achieved through the combination of guide columns, dampers, transmitters and receivers.
It effectively alleviates the damage to the mold by impact force, realizes the automation and precise mold clamping of the mold, and improves the precision and reliability of molding.
Smart Images

Figure CN223250368U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pressure forming dies, in particular to a cold stamping pressure forming die for a vehicle body covering part. Background Art
[0002] Pressure forming is the process of applying hydraulic pressure to form body panels. During this process, a corresponding forming mold is required. A patented multi-cavity pressure forming mold, patent publication number CN220163044U, includes an upper mold and a lower mold. The lower mold has two forming cavities defined within it. A bottom mounting seat is fixedly mounted on the bottom of the lower mold. A demolding mechanism is provided between the interiors of the two forming cavities and the interiors of the mounting seat. The demolding mechanism includes a motor, a threaded rod, a movable plate, an ejector rod, a push plate, and a fixed rod. The motor is fixedly mounted on the inner bottom wall of the mounting seat. A threaded rod is fixedly mounted on the output shaft of the motor. A movable plate is threadedly mounted on the outer surface of the threaded rod. Ejector rods are fixedly mounted on both ends of the top of the movable plate. Push plates are fixedly mounted on the tops of the two ejector rods. This multi-cavity pressure forming mold, by providing a demolding mechanism, can eject the molding material in the two molding cavities upward from the interior of the molding cavities by moving the two push plates upward, thereby facilitating the removal of the molding material from the two molding cavities.
[0003] Regarding the above-mentioned related technologies, the inventors believe that the following defects exist: although the demolding mechanism can be used for demolding during use, due to the lack of an effective stamping buffer structure during stamping, the upper and lower molds are easily damaged by excessive impact force during the mold closing process, so we proposed a cold stamping pressure forming mold for car body panels to solve the above-mentioned problems. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides a cold stamping pressure forming die for vehicle body covering parts, which solves the existing problem that the upper and lower molds are easily damaged due to excessive impact force during the mold closing process due to the lack of an effective stamping buffer structure.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a cold stamping pressure forming mold for a vehicle body cover, comprising a base plate, the main body of the base plate being a rectangular plate structure, and a lower mold being fixedly connected to the top surface of the base plate, and a guide column being fixedly connected to the top surface of the base plate, and the main body of the guide column being a cylindrical structure with a one-way opening at the top, and a total of four guide columns, the four guide columns being fixedly connected to the four corners of the top surface of the base plate, and dampers being plugged into the inner sides of the four guide columns, and the dampers and guide columns together constitute a buffer structure.
[0006] Preferably, a groove is provided at the top of the damper, an emitter is fixedly connected inside the groove, and the emitter is used to emit laser, and a side plate is fixedly connected to the outside of the damper, and two side plates are fixedly connected to the outside of each damper in opposite directions.
[0007] Preferably, the side plate and the damper together form a buffer structure, and a through hole is opened inside the side plate, which is a guide hole, and the guide hole and the side plate together form a guide structure, and a connecting plate is fixedly connected to the outer side of the base plate.
[0008] Preferably, the connecting plate and the outer side surface of the base plate are arranged vertically, and there are four connecting plates in total. The outer sides of the four connecting plates are fixedly connected with guide rails, and the main body of the guide rail is arranged longitudinally. A longitudinal groove is provided inside the guide rail, which is a guide groove, and the guide rail and the connecting plate together constitute a guide structure.
[0009] Preferably, a stamping push rod is fixedly connected to the inside of the guide groove, and the main body of the stamping push rod is arranged longitudinally. The stamping push rod and the guide groove together constitute a driving structure, and a moving seat is installed inside the guide groove.
[0010] Preferably, the main body of the movable seat is a rectangular block structure, and the bottom end surface of the stamping push rod is connected to the top end surface of the movable seat, and there are four movable seats in total, and the inner sides of the four movable seats are also fixedly connected to the top plate, and the outer sides of the movable seats are fixedly connected to the guide blocks.
[0011] Preferably, an upper mold is fixedly connected to the bottom end surface of the top plate, and a pillar is fixedly connected to the bottom end surface of the top plate, and a receiver is provided at the bottom end of the pillar, and a mounting plate is fixedly connected to the outer side of the pillar, and a guide rod is fixedly connected to the bottom end surface of the mounting plate.
[0012] Beneficial effects
[0013] The utility model provides a cold stamping pressure forming die for vehicle body panels. Compared with the prior art, it has the following advantages:
[0014] The cold stamping pressure forming die for the vehicle body cover is provided with a guide rod fixedly connected to the bottom end surface of the mounting plate, so that when the upper die set on the bottom end surface of the top plate moves toward one side of the base plate, the guide rod fixedly connected to the bottom end surface of the mounting plate can be inserted into the internal position of the guide hole opened in the side plate to realize automated assembly operation.
[0015] The cold stamping pressure forming die for the vehicle body cover is provided with a transmitter and a receiver, so that when the substrate and the upper mold are in the mold closing operation, the transmitter installed on the top surface of the damper can be activated to emit a laser, and the receiver fixedly connected to the bottom surface of the pillar can be used to detect the currently emitted laser, thereby achieving a more accurate purpose. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the front and side structure of the pressure forming die of the present invention after being disassembled;
[0017] Figure 2 This is a schematic diagram of the disassembled structure of the pressure forming die of the present invention from a top-down and side-view perspective;
[0018] Figure 3 This is a schematic diagram of the front side structure of the pressure forming die of the utility model;
[0019] Figure 4 This is a front structural diagram of the pressure forming die of the utility model;
[0020] Figure 5 This is a schematic diagram of the combined structure of the base plate and the connecting plate of the pressure forming die of the utility model;
[0021] Figure 6 This is a schematic diagram of the combined structure of the movable seat and guide block of the pressure forming die of the utility model.
[0022] In the figure: 1. Base plate; 101. Lower die; 102. Guide pillar; 103. Damper; 104. Transmitter; 105. Side plate; 106. Guide hole; 2. Connecting plate; 201. Guide rail; 202. Guide groove; 203. Stamping push rod; 3. Moving seat; 301. Guide block; 302. Top plate; 303. Upper die; 304. Pillar; 305. Receiver; 306. Mounting plate; 307. Guide rod. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figures 1-6The utility model provides a technical solution: a cold stamping pressure forming die for a vehicle body panel, comprising a base plate 1, the main body of the base plate 1 being a rectangular plate structure, and a lower die 101 being fixedly connected to the top surface of the base plate 1, and a guide column 102 being fixedly connected to the top surface of the base plate 1, and the main body of the guide column 102 being a cylindrical structure with a one-way opening at the top, and a total of four guide columns 102, the four guide columns 102 being fixedly connected to the four corners of the top surface of the base plate 1, and dampers 103 being plugged into the inner sides of the four guide columns 102, the dampers 103 and the guide columns 102 together forming a buffer structure;
[0025] By fixing the guide pillar 102 on the top surface of the base plate 1 , the damper 103 can be guided and supported.
[0026] See Figure 1 、 Figure 5 A groove is formed at the top of the damper 103, and a transmitter 104 is fixedly connected to the inside of the groove. The transmitter 104 is used to emit laser light, and a side plate 105 is fixedly connected to the outside of the damper 103. Two side plates 105 are fixedly connected to the outside of each damper 103 in opposite directions.
[0027] The emitter 104 is fixedly connected to the inside of the damper 103 so that it can emit laser for detection when in use.
[0028] See Figure 3 、 Figure 4 The side plate 105 and the damper 103 together form a buffer structure, and a through hole is opened inside the side plate 105, which is a guide hole 106, and the guide hole 106 and the side plate 105 together form a guide structure, and the outer side of the base plate 1 is fixedly connected to the connecting plate 2;
[0029] By opening a guide hole 106 inside the side plate 105, guidance can be achieved when the guide rod 307 is inserted.
[0030] See Figure 1 、 Figure 2 The connecting plate 2 and the outer side surface of the base plate 1 are arranged perpendicularly, and there are four connecting plates 2. The outer sides of the four connecting plates 2 are fixedly connected with guide rails 201, and the main body of the guide rail 201 is arranged longitudinally. A longitudinal groove is opened inside the guide rail 201, which is a guide groove 202. The guide rail 201 and the connecting plate 2 together constitute a guide structure;
[0031] By providing a longitudinal guide groove 202 inside the guide rail 201 , a quick guiding operation can be achieved when the guide rail 201 is in use.
[0032] See Figure 4 、 Figure 6The inside of the guide groove 202 is fixedly connected with a stamping push rod 203, and the main body of the stamping push rod 203 is arranged longitudinally. The stamping push rod 203 and the guide groove 202 together constitute a driving structure, and the inside of the guide groove 202 is installed with a moving seat 3;
[0033] The punching push rod 203 is fixedly connected to the inside of the guide groove 202 so that the punching push rod 203 can push the movable seat 3 to achieve longitudinal displacement when in use.
[0034] See Figure 1 、 Figure 5 The main body of the movable seat 3 is a rectangular block structure, and the bottom end surface of the punch push rod 203 is connected to the top surface of the movable seat 3, and the movable seat 3 is provided with four parts, the inner side of the four movable seats 3 is also fixedly connected with a top plate 302, and the outer side of the movable seat 3 is fixedly connected with a guide block 301;
[0035] The guide block 301 is fixedly connected to the outer side of the moving base 3 , so that when the moving base 3 moves, it can be guided by the guide block 301 .
[0036] See Figure 2 、 Figure 4 , an upper mold 303 is fixedly connected to the bottom end surface of the top plate 302, and a support 304 is fixedly connected to the bottom end surface of the top plate 302, and a receiver 305 is provided at the bottom end of the support 304, and a mounting plate 306 is fixedly connected to the outside of the support 304, and a guide rod 307 is fixedly connected to the bottom end surface of the mounting plate 306;
[0037] By arranging the receiver 305 on the bottom end surface of the support 304 , it is possible to quickly form a matching detection position with the transmitter 104 when it is in use.
[0038] During operation, when the body cover is undergoing cold press forming, the base plate 1 can be placed on the ground, and the raw materials to be processed can be placed on the lower die 101 fixedly connected to the top surface of the base plate 1, and the moving base 3 can be pushed downward by starting the stamping push rod 203 installed in the guide groove 202 provided in the guide rail 201. When the moving base 3 moves downward, the guide block 301 fixedly connected to the outer side of the moving base 3 can be synchronously used to slide along the guide groove 202, and the upper die 303 fixedly connected to the bottom surface of the top plate 302 can be used to move close to the lower die 101 to realize automated stamping forming operation.
[0039] When the top plate 302 moves toward one side of the base plate 1, the laser emitted by the transmitter 104 currently arranged on the top surface of the damper 103 can be detected by using the receiver 305 arranged on the bottom surface of the pillar 304, and after the detection is completed, the guide rod 307 fixedly connected to the bottom surface of the mounting plate 306 can be inserted into the internal position of the guide hole 106 opened in the side plate 105 to perform automated assembly operations.
[0040] In summary, the device is provided with the receiver 305 and the transmitter 104 , and can detect whether the molds are aligned by using the receiver 305 to detect the signal emitted by the transmitter 104 .
[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A cold stamping press forming die for a vehicle body panel, comprising a base plate (1), characterized in that: The main body of the substrate (1) is a rectangular plate structure, and a lower mold (101) is fixedly connected to the top surface of the substrate (1), and a guide column (102) is fixedly connected to the top surface of the substrate (1), and the main body of the guide column (102) is a cylindrical structure with a one-way opening at the top, and the guide columns (102) are provided at four locations, and the four guide columns (102) are respectively fixedly connected to the four corners of the top surface of the substrate (1), and the inner sides of the four guide columns (102) are all plugged with dampers (103), and the dampers (103) and the guide columns (102) together form a buffer structure.
2. The cold stamping press forming die for vehicle body panels according to claim 1, characterized in that: A groove is provided at the top of the damper (103), an emitter (104) is fixedly connected to the inside of the groove, and the emitter (104) is used to emit laser light. A side plate (105) is fixedly connected to the outside of the damper (103), and two side plates (105) are fixedly connected to the outside of each damper (103) in opposite directions.
3. The cold stamping press forming die for the vehicle body panel according to claim 2, characterized in that: The side plate (105) and the damper (103) together form a buffer structure, and a through hole is provided inside the side plate (105), which is a guide hole (106), and the guide hole (106) and the side plate (105) together form a guide structure, and a connecting plate (2) is fixedly connected to the outer side of the base plate (1).
4. The cold stamping press forming die for vehicle body panels according to claim 3, characterized in that: The connecting plate (2) and the outer side surface of the base plate (1) are arranged perpendicularly, and the connecting plate (2) is provided at four locations. The outer sides of the four connecting plates (2) are all fixedly connected to a guide rail (201), and the main body of the guide rail (201) is arranged longitudinally. A longitudinal groove is provided inside the guide rail (201), and the longitudinal groove is a guide groove (202). The guide rail (201) and the connecting plate (2) together form a guide structure.
5. The cold stamping press forming die for vehicle body panels according to claim 4, characterized in that: A punching push rod (203) is fixedly connected to the interior of the guide groove (202), and the main body of the punching push rod (203) is arranged longitudinally. The punching push rod (203) and the guide groove (202) together form a driving structure, and a moving seat (3) is installed inside the guide groove (202).
6. The cold stamping pressure forming die for the vehicle body panel according to claim 5, characterized in that: The main body of the movable seat (3) is a rectangular block structure, and the bottom end surface of the punch push rod (203) is connected to the top end surface of the movable seat (3), and the movable seat (3) is provided with four parts, and the inner sides of the four movable seats (3) are fixedly connected to the top plate (302), and the outer sides of the movable seat (3) are fixedly connected to the guide block (301).
7. The cold stamping press forming die for vehicle body panels according to claim 6, characterized in that: An upper mold (303) is fixedly connected to the bottom end surface of the top plate (302), a pillar (304) is fixedly connected to the bottom end surface of the top plate (302), a receiver (305) is provided at the bottom end of the pillar (304), a mounting plate (306) is fixedly connected to the outside of the pillar (304), and a guide rod (307) is fixedly connected to the bottom end surface of the mounting plate (306).
Citation Information
Patent Citations
Multi-cavity pressure forming die
CN220163044U