CN-114798921-B - Multi-station integrated composite die

Abstract

The invention discloses a multi-working-position integrated composite die which comprises an upper die assembly, a lower die assembly and a limiting mechanism, wherein the limiting mechanism is in an initial state and a pushing state, a hole flanging mechanism and a plurality of inserts are arranged between the upper die assembly and the lower die assembly, and the upper die assembly comprises an upper die base and a pressing device, wherein the pressing device is arranged in the upper die base in a sliding manner. According to the technical scheme, the flanging and hole flanging processes can be realized by arranging the limiting mechanism in the initial state according to the processing selection requirement of the automobile part, the flanging, hole flanging and cutting processes can be realized by arranging the limiting mechanism in the pushing state, the double-selection characteristic is realized, the whole structure of the die is simple, the die process can be selectively switched through the limiting mechanism, the hole flanging or hole flanging process of the automobile part can be completed at one time, the cutting process can be completed, a large amount of time, design and manufacturing cost can be saved, the quality of products can be improved, and the market competition can be facilitated.

Inventors

• SHI YUNDONG
• Feng Xiaokuan
• FENG HUA

Assignees

• 厦门金龙汽车车身有限公司

Dates

Publication Date

20260508

Application Date

20220608

Claims (8)

1. 1. The multi-working-procedure integrated composite die is characterized by comprising an upper die assembly, a lower die assembly and a limiting mechanism; The limiting mechanism is in an initial state and a pushing state, a hole flanging mechanism and a plurality of inserts are arranged between the upper die assembly and the lower die assembly, the upper die assembly comprises an upper die holder and a pressing device, wherein the pressing device is arranged in the upper die holder in a sliding manner, the lower die assembly comprises a lower die holder and a supporting device, the supporting device comprises a first supporting device and a second supporting device, and the first supporting device and the second supporting device are arranged in the lower die holder in a sliding manner at equal heights; when the upper die holder is downward relative to the lower die holder, the upper die assembly drives the workpiece supporting device to slide downward relative to the lower die holder so as to finish hole flanging and flanging of the parts through the hole flanging mechanism and the plurality of inserts, when the limiting mechanism is switched from an initial state to a pushing state, and when the upper die holder is downward relative to the lower die holder, the limiting mechanism is used for limiting the first workpiece supporting device and the workpiece pressing device, The upper die holder slides downwards relative to the pressing part device to drive the second supporting part device to downwards relative to the first supporting part device, so that the insert between the second supporting part device and the first supporting part device forms a dislocation shear difference to cut off the parts; The limiting mechanism comprises a base plate and a power source piece, wherein the output end of the power source piece is fixedly connected with the base plate so as to control the base plate to switch back and forth between an initial state and a pushing state through the power source piece, the base plate and the power source piece are arranged in the lower die holder, the base plate is positioned at the lower side of the first support piece device and the lower side of the second support piece device when assembled, the base plate and the support piece device are always in an avoiding state when in the initial state, and the first support piece device is abutted against the base plate when the base plate is in the pushing state and the upper die holder is in the descending state relative to the lower die holder so as to restrain the first support piece device and the pressing piece device, so that the upper die holder can slide downwards relative to the pressing piece device.
2. 2. The multi-station integrated composite mold of claim 1, further comprising a first guide device and a first guide post, wherein the first guide device and the first guide post are fixedly arranged in the upper mold base, and the pressing device is slidably arranged in the upper mold base through the first guide post so as to provide thrust for the pressing device through the first guide device.
3. 3. The multiple-station integrated composite mold of claim 2, further comprising a positioning pin, said positioning pin being inserted into said presser and said upper die holder to constrain the height of said presser and prevent said presser from being separated from said upper die holder when said first guide device provides a pushing force to said presser.
4. 4. The multi-station integrated composite mold of claim 2, further comprising a second guiding device and a second guide post, wherein the second guiding device and the second guide post are fixedly arranged in the lower mold base, and the first carrier and the second carrier are slidably arranged in the lower mold base through the second guide post so as to provide thrust for the first carrier and the second carrier through the second guiding device.
5. 5. The multi-station integrated composite mold of claim 4, further comprising a plurality of stop bars respectively inserted into the lower mold base, the first carrier and the second carrier to limit the heights of the first carrier and the second carrier.
6. 6. The multi-station integrated composite die as claimed in claim 4, wherein said first guide means is a nitrogen spring, said second guide means is a normal spring, and said nitrogen spring has a compressive deformation force greater than that of said normal spring, so as to prevent said nitrogen spring from deforming when said upper die assembly drives said carrier means to slide down relative to said lower die base, so that a sliding phenomenon occurs between said upper die base and said follower.
7. 7. The multiple-shot composite mold of claim 1, further comprising a connecting plate, wherein the first supporter is disposed above the second supporter, and the connecting plate is disposed between the first supporter and the second supporter to prevent a height difference between the first supporter and the second supporter by the connecting plate.
8. 8. The multi-station integrated composite die as set forth in claim 1, wherein said hole flanging mechanism comprises a hole flanging male die and a hole flanging female die, said hole flanging male die being fixedly disposed on said lower die base, The hole flanging die is fixedly arranged on the pressing device, and the insert is respectively arranged on the upper die assembly and the supporting device.

Description

Multi-station integrated composite die Technical Field The invention relates to the field of automobile panel die design, in particular to a multi-station integrated composite die. Background The existing automobile parts are complex in structure and usually require multiple machining procedures to process. Therefore, many manufacturers divide the automobile parts into a plurality of sets of dies for independent processing, which not only wastes a great deal of time and cost, but also additionally increases manufacturing and research and development costs for manufacturing and designing the plurality of sets of dies, and the processing errors of the parts are gradually accumulated after the parts are positioned and processed by the tools of the plurality of sets of dies, thereby reducing the precision of the parts, being difficult to ensure the quality of products and being unfavorable for market competition. Even if the existing part of factories adopt a composite die structure integrating multiple processes, the processes of hole flanging, flanging and the like of parts can be completed at one time only by the upward and downward directions of the die, and when the automobile parts need to be cut, a set of dies matched with the parts need to be newly manufactured to realize the cutting process, so that additional material resources and labor cost are inevitably increased. Disclosure of Invention The invention provides a multi-station integrated composite die, which overcomes the defects in the background art and adopts the following technical scheme: A multi-working-procedure combined die comprises an upper die assembly, a lower die assembly and a limiting mechanism, wherein the limiting mechanism is provided with an initial state and a pushing state, a hole flanging mechanism and a plurality of inserts are arranged between the upper die assembly and the lower die assembly, the upper die assembly comprises an upper die base and a pressing piece device, the pressing piece device is arranged in the upper die base in a sliding mode, the lower die assembly comprises a lower die base and a supporting piece device, the supporting piece device comprises a first supporting piece device and a second supporting piece device, the first supporting piece device and the second supporting piece device are arranged in the lower die base in a sliding mode, when the upper die base is arranged in a sliding mode relative to the lower die base, the upper die assembly drives the supporting piece device to slide in a sliding mode relative to the lower die base, so that hole flanging and flanging of parts are completed through the hole flanging mechanism and the inserts, when the limiting mechanism is switched from the initial state to the state, and when the upper die base is arranged in a sliding mode relative to the lower die base, the limiting mechanism constrains the first supporting piece device and the second supporting piece device to slide in the sliding mode, and the first supporting piece device and the second supporting piece device are arranged in the sliding mode relative to the lower die base, and the first supporting piece device and the first supporting piece and the second supporting piece device are enabled to slide relatively to the first supporting piece and the second supporting piece to move relatively to the supporting piece. Preferably, the die pressing device further comprises a first guide device and a first guide post, wherein the first guide device and the first guide post are fixedly arranged in the upper die holder, and the die pressing device is slidably arranged in the upper die holder through the first guide post so as to provide thrust for the die pressing device through the first guide device. Preferably, the pressing device further comprises a positioning pin, wherein the positioning pin is inserted into the pressing device and the upper die holder so as to restrict the height of the pressing device, and the pressing device is prevented from being separated from the upper die holder when the first guide device provides thrust for the pressing device. Preferably, the device further comprises a second guiding device and a second guide post, wherein the second guiding device and the second guide post are fixedly arranged in the lower die holder, and the first support device and the second support device are slidably arranged in the lower die holder through the second guide post so as to provide thrust for the first support device and the second support device through the second guiding device. Preferably, the die further comprises a plurality of limiting rods, wherein the limiting rods are respectively inserted into the lower die holder, the first supporting device and the second supporting device so as to limit the heights of the first supporting device and the second supporting device. Preferably, the first guiding device is a nitrogen spring, the second guiding device is a common spring, and