Common die stamping process for left and right rudders of dash panel and dash panel stamping device

Abstract

The invention discloses a die stamping process shared by a left rudder and a right rudder of a dash panel, which comprises the following steps: drawing in the first sequence, trimming and punching in the second sequence, trimming and punching in the third sequence, flanging in the fourth sequence, and using a gas circuit switching device in the side punching in the second sequence and the front punching to realize the functions of punching and non-punching, thereby realizing the punching and non-punching of the dash panel of the left rudder. A gas circuit switching device and a material pressing device wedge are used for switching driving in the third sequence of side punching and front punching, the punching function and the non-punching function are achieved, and therefore punching and non-punching of a right rudder dash panel are achieved through switching to a left rudder dash panel and a right rudder dash panel, die sharing is achieved, original two sets of eight sets of dies (1) are changed into one set of four sets of dies (1) at present, and the die cost is reduced. The development cost of the mold (1) is directly reduced by half, the mold (1) does not need to be replaced again, only the gas circuit wrench needs to be moved on the mold (1), the mold replacement time is saved, meanwhile, four sets of molds (1) are reduced, and the storage space is saved.

Description

Technical Field

[0001] The invention belongs to the field of stamping technology, and in particular to a stamping process for a common die for left and right rudders of a front bulkhead. Background Art

[0002] In order to meet the needs of domestic and international markets, automobile manufacturing usually involves the difference between left-hand and right-hand steering wheels. For stamping parts, the biggest difference is the dash panel. The steering wheel mounting holes and brake and accelerator mounting holes on the dash panel are symmetrical on the left and right. Currently, when developing dash panel left and right rudder molds, automobile manufacturing OEMs develop 2 groups of 8 sets of molds to produce left and right rudder parts respectively.

[0003] The patent number is 202322457675.6, which was published in a public specification published on May 17, 2024. It discloses a universal front inner panel structure for left-hand and right-hand drive new energy vehicles, which relates to the technical field of universal front inner panel structure for new energy vehicles. In order to solve the problem that the left-hand drive new energy vehicle in the prior art cannot directly install the brake throttle mechanism assembly and the heater assembly of the left-hand drive new energy vehicle, resulting in the front panels of the left-hand and right-hand drive new energy vehicles not being universal and interchangeable, it is necessary to newly develop a brake throttle mechanism transition bracket and a right-hand drive dedicated heater assembly. The left-hand drive front inner panel, the right-hand drive front inner panel and the assembly parts, the left side of the front end face of the left-hand drive front inner panel is provided with a first assembly area and a second assembly area, and the side of the front end face of the right-hand drive front inner panel is provided with a seventh assembly area and an eighth assembly area; it also includes: a third assembly area, which is arranged on the other side of the front end face of the left-hand drive front inner panel, and a fourth assembly area is arranged below the third assembly area; a fifth assembly area, which is arranged on the other side of the front end face of the right-hand drive front inner panel.

[0004] Each time the stamping production line produces two different parts, it is necessary to replace the mold separately, which wastes production time, and the number of molds to be developed is large, which is costly. Summary of the invention

[0005] The present invention aims to provide a stamping process for a front panel of a left and right rudder using a common stamping die for the left and right rudders.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is: a stamping process of a common mold for left and right rudders of a front panel, the steps are as follows:

[0007] S1: Use a die to draw the front panel;

[0008] S2: The punch punches the special hole of the left rudder front panel, and then the left rudder front panel is flanged to complete the forming of the left rudder front panel parts;

[0009] S3: After the punching process of the left rudder is completed, the punched front panel is removed and replaced with the right rudder front panel, and the punch is pushed to move by the switching device to punch the right rudder front panel;

[0010] S4: Flanging the workpiece to complete the forming of the right rudder front panel part.

[0011] In S3, the switching device is a cylinder and a wedge of a presser which are hinged in the mold and connected to the punch.

[0012] The punching shapes of the left rudder plate and the right rudder plate are the same, but the punching positions are different.

[0013] In S3, after the punching process of the left rudder is completed, the punched dash panel is removed and replaced with the right rudder dash panel. The mold is opened first to replace the dash panel, and the punch is turned by using a pneumatic wrench.

[0014] The mounting seat is mounted in the mold by screws.

[0015] A dash panel stamping device is used in a dash panel left and right rudder common die stamping process. The device comprises a dash panel and a die. The dash panel is arranged in the die. A punch and a switching device for adjusting the position of the punch are arranged in the die.

[0016] The switching device includes a cylinder connected to the punch.

[0017] A mounting seat is provided on the cylinder, and the cylinder is fixed in the mold through the mounting seat.

[0018] The front panel is divided into a left rudder plate and a right rudder plate. The punching holes on the left rudder plate and the right rudder plate have the same shape but different positions.

[0019] The technical effect of the present invention is as follows: by switching to the left and right rudder front panels, mold sharing is achieved, and the original 2 groups of 8 sets of molds are changed to the current 1 group of 4 sets of molds, and the mold development cost is directly reduced by half. In addition, when the two parts of the front panel and the left and right rudders are produced in the stamping workshop, there is no need to replace the mold again. Only the air circuit wrench needs to be moved on the mold, which saves the mold change time. At the same time, 4 sets of molds are reduced, and the mold storage space in the stamping workshop is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] This specification includes the following drawings, which show the following contents:

[0021] Figure 1 It is a structural schematic diagram of a front panel stamping device of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of a left rudder plate of a front panel stamping device;

[0023] Figure 3for Figure 1 A schematic diagram of a right rudder plate stamping die of a front panel stamping device;

[0024] Figure 4 for Figure 1 Schematic diagram of the right rudder plate of a front panel stamping device.

[0025] The markings in the figure are: 1. mold; 2. left rudder plate; 3. right rudder plate; 4. punch; 5. cylinder; 6. mounting seat. DETAILED DESCRIPTION

[0026] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0027] A stamping process for a common die for left and right rudders of a front panel, the steps are as follows:

[0028] S1: Use die 1 to draw the front panel;

[0029] S2: Punch 4 punches the special hole of the left rudder front panel, and then flanging the left rudder front panel to complete the forming of the left rudder front panel parts;

[0030] S3: After the punching process of the left rudder is completed, the punched front panel is removed and replaced with the right rudder front panel, and the punch 4 is pushed to move by the switching device to punch the right rudder front panel;

[0031] S4: Flanging the workpiece to complete the forming of the right rudder front panel part.

[0032] In S3, the switching device is a cylinder 5 and a mounting seat 6 which are hinged in the mold 1 and connected to the punch 4. By adjusting the position and angle of the cylinder 5 and the mounting seat 6, the purpose of punching holes at different positions is achieved. The purpose of punching holes in the left and right rudders can be achieved without replacing the mold 1.

[0033] The punching shapes of the left rudder plate 2 and the right rudder plate 3 are the same, but the punching positions are different. Since the punching shapes are the same, the same set of punches 4 can be used for punching without replacement. Only the position of the punch 4 needs to be changed to complete the purpose of processing the left and right rudders.

[0034] In S3, after the punching process of the left rudder is completed, the punched front panel is removed and replaced with the right rudder front panel. The mold is opened first to replace the front panel, and the punch 4 is turned by using a pneumatic wrench. The transfer and steering of the punch 4 need to be manually controlled, and the front panel is removed and then replaced.

[0035] The mounting seat 6 is mounted in the mold 1 by screws, and can be easily removed or rotated by a pneumatic wrench to adjust the position.

[0036] See also Figure 1-4 A dash panel stamping device is used in a dash panel left and right rudder common mold stamping process: it includes a dash panel and a mold 1, the dash panel is arranged in the mold 1, the mold 1 is provided with a punch 4 and a switching device for adjusting the position of the punch 4, the position and direction of the punch 4 are switched by the switching device, so as to achieve the purpose of using the left and right rudder common mold 1.

[0037] The switching device comprises a cylinder 5 connected to the punch 4. By adjusting the direction of the cylinder 5, the position of the punching hole can be adjusted.

[0038] A mounting seat 6 is provided on the cylinder 5, and the cylinder 5 is fixed in the mold 1 through the mounting seat 6. The mounting seat 6 is divided into a middle mounting seat 6 and a side mounting seat 6. There are two middle mounting seats 6 and two side mounting seats 6. It is only necessary to move the air circuit wrench on the mold 1, which saves mold changing time and reduces 4 sets of molds 1 at the same time. The storage space of the mold 1 in the stamping workshop is saved.

[0039] The front panel is divided into a left rudder plate 2 and a right rudder plate 3. The punching holes on the left rudder plate 2 and the right rudder plate 3 have the same shape but different positions. The same set of punches 4 can be used for punching without replacement. Only the position of the punch 4 needs to be changed to complete the processing of the left and right rudders.

[0040] The technical effect of the present invention is as follows: by switching to the left and right rudder front panels, the mold 1 is shared, and the original 2 groups of 8 sets of molds 1 are changed to the current 1 group of 4 sets of molds 1, and the development cost of the mold 1 is directly reduced by half. When the two parts of the front panel and the left and right rudders are produced in the stamping workshop, there is no need to replace the mold 1 again, and only the air circuit wrench needs to be moved on the mold 1, which saves the mold change time. At the same time, 4 sets of molds 1 are reduced, and the storage space of the mold 1 in the stamping workshop is saved.

[0041] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A stamping process for a common die for the front panel and the left and right rudders, characterized in that: Here are the steps: S1: Drawing the dash panel using the die (1); S2: The punch (4) punches the special hole of the left rudder front panel, and then flanges the left rudder front panel to complete the forming of the left rudder front panel parts; S3: After the punching process of the left rudder is completed, the punched front panel is removed and replaced with the right rudder front panel; S4: Use the switching device to push the punch (4) to move, punch holes and flanging the right rudder front panel, and complete the forming of the right rudder front panel parts.

2. The stamping process for a common die for the front panel and the left and right rudders according to claim 1 is characterized by: In S3, the switching device is a cylinder (5) and a presser wedge which are hinged in the mold (1) and connected to the punch (4).

3. The stamping process for a common die for the front panel and the left and right rudders according to claim 1 is characterized by: The punching shapes of the left rudder plate (2) and the right rudder plate (3) are the same, but the punching positions are different.

4. The stamping process for a common die for the front panel and the left and right rudders according to claim 1 is characterized in that: In S3, after the punching process of the left rudder is completed, the punched front panel is removed and replaced with the right rudder front panel. The mold is opened first to replace the front panel, and the punch (4) is turned by using a pneumatic wrench.

5. The stamping process for a common die for the front panel and the left and right rudders according to claim 2 is characterized by: The mounting seat (6) is mounted in the mold (1) by means of screws.

6. A dash panel stamping device, used in a dash panel left and right rudder common die stamping process as claimed in any one of claims 1 to 3, characterized in that: The invention comprises a front panel and a mould (1), wherein the front panel is arranged in the mould (1), and a punch (4) and a switching device for adjusting the position of the punch (4) are arranged in the mould (1).

7. A dash panel punching device according to claim 6, characterized in that: The switching device comprises a cylinder (5) connected to the punch (4).

8. The dash panel punching device according to claim 7, characterized in that: The cylinder (5) is provided with a mounting seat (6), and the cylinder (5) is fixed in the mold (1) through the mounting seat (6). The mounting seat (6) is divided into a middle mounting seat (6) and a side mounting seat (6), and there are two middle mounting seats (6) and two side mounting seats (6).

9. The dash panel punching device according to claim 6, characterized in that: The front panel is divided into a left rudder plate (2) and a right rudder plate (3); the punching holes on the left rudder plate (2) and the right rudder plate (3) have the same shape but different positions.

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