CN-117259561-B - Multi-roll wide plate common-mode blanking die

CN117259561BCN 117259561 BCN117259561 BCN 117259561BCN-117259561-B

Abstract

The invention discloses a multi-roll wide plate common-mode blanking die which comprises a lower die base and a speed changing device, wherein the speed changing device is arranged on two sides of the lower die base and comprises a gear fixing mechanism and a gear shifting mechanism, the gear fixing mechanism and the gear shifting mechanism are arranged in an opposite direction, the gear fixing mechanism comprises a driving piece and a gear fixing assembly, the driving piece is movably connected with the gear fixing assembly, the gear shifting mechanism comprises a gear shifting piece and a gear shifting assembly, the gear shifting piece is arranged on the gear shifting assembly, the gear shifting assembly comprises a rotating shaft and a limiting piece, the limiting piece is arranged on the periphery of the rotating shaft, the gear fixing assembly comprises a gear piece, the gear shifting piece is arranged on the driving piece, when the gear shifting assembly is adjusted to a preset gear, the driving piece drives the gear fixing assembly to enable the gear piece to be in contact with the limiting piece, and the multi-roll wide plate common-mode blanking die according to the embodiment of the invention realizes accurate blanking of different roll wide plates and reduces the development cost of the die.

Inventors

ZHOU ZHENLIN
HUANG XIANGKUN
PENG BENDONG

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231110

Claims (10)

1. The multi-roll wide plate material common-mode blanking die is characterized by comprising a lower die holder and a speed changing device, wherein the speed changing device is arranged on two sides of the lower die holder and comprises a gear shifting mechanism and a gear shifting mechanism, the gear shifting mechanism is arranged opposite to the gear shifting mechanism and comprises a driving piece and a gear shifting assembly, the driving piece is movably connected with the gear shifting assembly, the gear shifting mechanism comprises a gear shifting piece and a gear shifting assembly, and the gear shifting piece is arranged on the gear shifting assembly; the gear shifting assembly comprises a rotating shaft and a limiting piece, wherein the limiting piece is arranged on the periphery of the rotating shaft; the gear setting assembly comprises a gear piece, a gear assembly and a gear assembly, wherein the gear piece is arranged on the driving piece; When the gear shifting component is adjusted to a preset gear by the gear shifting component, the driving component drives the gear setting component to enable the gear shifting component to be in contact with the limiting component, and the gear shifting component enables the limiting component to be in contact with the gear shifting component by adjusting the gear shifting component, so that uncoiling and blanking of different coiled sheets are achieved.
2. The multi-roll wide sheet material common mode blanking die of claim 1, wherein the limiting members include at least four, and the four limiting members are uniformly arranged along the periphery of the rotating shaft by 360 degrees.
3. The multi-roll wide plate common-mode blanking die of claim 2, wherein the gear shifting assembly comprises two bearing seats respectively sleeved at two ends of the periphery of the rotating shaft.
4. The multi-roll wide plate material common-mode blanking die according to claim 3, wherein the gear shifting piece comprises a rotary disc and a dial, the dial is arranged on the end face of the rotary shaft, and the rotary disc is arranged on the dial and is movably connected with the dial.
5. The multi-roll wide plate common-mode blanking die of claim 4, wherein four gears are arranged on the dial.
6. The multi-roll wide plate common-mode blanking die of claim 1, wherein the driving piece comprises a cylinder and a telescopic shaft, one end of the telescopic shaft is connected with the cylinder, and the gear piece is sleeved on the periphery of the telescopic shaft and is far away from the cylinder.
7. The multi-roll wide plate common mode blanking die of claim 6, wherein the gear setting assembly comprises a fixed seat and a piston, the piston is connected with the telescopic shaft through the gear piece, the piston is arranged on the fixed seat, the fixed seat is provided with a sliding groove in sliding fit with the piston, and the piston is inserted into the sliding groove and is in sliding fit with the sliding groove.
8. The multi-roll wide sheet common mode blanking die of claim 7, wherein the gear setting assembly further comprises a positioning roller, and the positioning roller is arranged on the piston.
9. The multi-roll wide plate common-mode blanking die of claim 6, wherein the gear piece is a gear plate, and a through hole matched with the telescopic shaft is formed in the gear plate.
10. The multi-roll wide sheet common mode blanking die of claim 2, wherein the limiting member is a limiting plate.

Description

Multi-roll wide plate common-mode blanking die Technical Field The invention relates to the technical field of cold stamping forming of automobiles, in particular to a multi-roll wide plate material common-mode blanking die. Background In the related art, the facial makeup with family type and the tail part, the outline dimensions of the hair cover and the back cover are similar, the outline of the blank formed by the parts is similar, but the rolling widths of the plates are different. If the same outline size is realized, the parts with different coil widths cannot be uncoiled and blanked in the same uncoiling and blanking die, and various coil width plate materials need to be developed into different uncoiling and blanking dies corresponding to the coil width plate materials, so that the die development cost is increased. Meanwhile, the storage space of the workshop die of the stamping production workshop is increased, so that there is room for improvement. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention aims to provide a multi-roll wide plate material common-mode blanking die which can realize accurate blanking of different roll wide plate materials. The invention provides a multi-roll wide plate material common-mode blanking die which comprises a lower die holder and a speed changing device, wherein the speed changing device is arranged on two sides of the lower die holder and comprises a gear setting mechanism and a gear shifting mechanism, the gear setting mechanism is arranged opposite to the gear shifting mechanism and comprises a driving piece and a gear setting assembly, the driving piece is movably connected with the gear setting assembly, the gear shifting mechanism comprises a gear shifting piece and a gear shifting assembly, the gear shifting piece is arranged on the gear shifting assembly, the gear shifting assembly comprises a rotating shaft and a limiting piece, the limiting piece is arranged on the periphery of the rotating shaft, the gear setting assembly comprises a gear piece, the gear piece is arranged on the driving piece, and when the gear shifting assembly is adjusted to a preset gear by the gear shifting piece, the driving piece drives the gear setting assembly so as to enable the gear piece to be in contact with the limiting piece. According to an embodiment of the present invention, the limiting members include at least four limiting members, and the four limiting members are uniformly arranged along the outer circumference of the rotating shaft by 360 °. In some embodiments, the gear shifting assembly comprises two bearing seats respectively sleeved at two ends of the periphery of the rotating shaft. In some embodiments, the gear shifting piece comprises a rotary disk and a dial, wherein the dial is arranged on the end face of the rotary shaft, and the rotary disk is arranged on the dial and is movably connected with the dial. In some embodiments, four gears are provided on the dial. According to the embodiment of the invention, the driving piece comprises an air cylinder and a telescopic shaft, one end of the telescopic shaft is connected with the air cylinder, and the gear piece is sleeved on the periphery of the telescopic shaft and is far away from the air cylinder. In some embodiments, the gear fixing assembly comprises a fixing seat and a piston, the piston is connected with the telescopic shaft through the gear piece, the piston is arranged on the fixing seat, the fixing seat is provided with a sliding groove in sliding fit with the piston, and the piston is inserted into the sliding groove and is in sliding fit with the sliding groove. In some embodiments, the gear shifting assembly further comprises a positioning roller disposed on the piston. In some embodiments, the gear member is a gear plate, and a through hole matched with the telescopic shaft is formed in the gear plate. In some embodiments, the stop is a stop plate. According to the multi-roll wide plate common-mode blanking die, the speed changing device is arranged on the lower die holder, accurate blanking of the multi-roll wide plate is achieved, uncoiling blanking of different roll wide plates can be achieved through mutual matching and adjustment of the gear fixing mechanism and the gear shifting mechanism, die development cost is reduced, space occupation of a stamping production workshop is reduced, the rotating shaft is adjusted through the gear adjusting piece, the rotating shaft drives the limiting piece arranged on the rotating shaft to rotate to a preset position, the driving piece is started, the driving piece pushes the piston to slide forwards along the fixed base sliding groove, the gear piece is enabled to be in contact with the limiting piece, accurate blanking of the roll wide plate is achieved, production efficiency and product quality are improved, and accurate blanking of different roll w