CN206392676U - A kind of grading blanking die - Google Patents
A kind of grading blanking die Download PDFInfo
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- CN206392676U CN206392676U CN201621408762.6U CN201621408762U CN206392676U CN 206392676 U CN206392676 U CN 206392676U CN 201621408762 U CN201621408762 U CN 201621408762U CN 206392676 U CN206392676 U CN 206392676U
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- 238000005520 cutting process Methods 0.000 claims abstract description 73
- 238000004080 punching Methods 0.000 claims abstract description 71
- 239000002699 waste material Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000000750 progressive effect Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本实用新型属于冲压模具技术领域，公开了一种级进落料模包括上模座，设置于上模座上的上模和压料板，下模座，设置于下模座上的下模、废料通道和卸料通道。上述上模，活动安装于上模座上，包括多组冲切刃口，每组冲切刃口包括尺寸规格相同的两个冲切刃口，上述两个冲切刃口分别位于不同的工位上。上述废料通道，设置于下模上，用于移除从上述板料上裁切的废料。上述卸料通道，同样设置于下模上，用于导出落料加工完成的板料。上述位于不同工位上的各组冲切刃口和下模刃口的设置，提高了板料的利用率，上述废料通道和卸料通道的设置在保护模具的同时，提高了板料的加工效率，并且提高了板料加工的安全性。
The utility model belongs to the technical field of stamping dies, and discloses a progressive blanking die comprising an upper mold base, an upper mold and a pressing plate arranged on the upper mold base, a lower mold base, and a lower mold arranged on the lower mold base , waste channel and discharge channel. The above-mentioned upper mold is movably installed on the upper mold base, and includes multiple sets of punching edges. Each set of punching edges includes two punching edges with the same size and specification. bit. The above-mentioned waste material channel is arranged on the lower mold, and is used for removing the waste material cut from the above-mentioned board material. The above-mentioned unloading channel is also arranged on the lower die, and is used to lead out the blanked blanks. The above-mentioned setting of each group of punching cutting edges and lower die cutting edges located at different stations improves the utilization rate of the sheet metal, and the above-mentioned setting of the waste channel and the unloading channel improves the processing of the sheet material while protecting the mold. Efficiency, and improve the safety of sheet metal processing.
Description
技术领域technical field
本实用新型涉及冲压模具技术领域，尤其涉及一种级进落料模。The utility model relates to the technical field of stamping dies, in particular to a progressive blanking die.
背景技术Background technique
将板料沿封闭轮廓线分离，获得轮廓线以内的材料的工序叫落料，完成落料工序的模具叫做落料模。落料模，作用冲压模具的一种，具有高精度高效率的特点，广泛应用于钣金加工制造领域。The process of separating the sheet along the closed contour line and obtaining the material within the contour line is called blanking, and the mold that completes the blanking process is called blanking die. Blanking die, a kind of stamping die, has the characteristics of high precision and high efficiency, and is widely used in the field of sheet metal processing and manufacturing.
具体的，落料模可分为单工序落料模和级进落料模。其中单工序落料模是通过人工方式放料和取料，成本高，效率低，安全性差，一般适用于小批量落料冲压件的制备。级进落料模是通过送料机构完成放料与取料的，效率高，安全性强，但是模具结构复杂，加工制造成本高，适用于大批量落料冲压件的制备。Specifically, the blanking die can be divided into a single-process blanking die and a progressive blanking die. Among them, the single-process blanking die is manually discharged and retrieved, which has high cost, low efficiency, and poor safety. It is generally suitable for the preparation of small batch blanking stamping parts. The progressive blanking die completes the feeding and unloading through the feeding mechanism, which has high efficiency and strong safety. However, the mold structure is complex and the processing and manufacturing costs are high. It is suitable for the preparation of large-scale blanking stamping parts.
但是，现有的级进落料模，在加工过程中，对板料的浪费较为严重,增加了不必要的加工制造成本。However, in the processing process of the existing progressive blanking die, the waste of sheet material is relatively serious, which increases unnecessary processing and manufacturing costs.
实用新型内容Utility model content
本实用新型的目的在于提供一种可提高板料利用率的级进落为模。The purpose of the utility model is to provide a progressive falling die which can improve the utilization rate of sheet metal.
为达此目的，本实用新型采用以下技术方案：一种级进落料模，设置有多个工位，包括：To achieve this purpose, the utility model adopts the following technical solutions: a progressive blanking die is provided with a plurality of stations, including:
上模座；upper die seat;
上模，安装于上模座上，包括多组冲切刃口，每组冲切刃口包括两个尺寸规格相同的两个冲切刃口，所述两个冲切刃口分别位于不同工位上；The upper mold, installed on the upper mold base, includes multiple sets of punching edges, each set of punching edges includes two punching edges with the same size and specifications, and the two punching edges are located in different working areas. position;
压料板，活动设置于上模上，用于对板料的固定；Binder plate, which is movable on the upper mold, is used to fix the sheet;
下模座；Lower mold seat;
下模，固定安装于下模座上，包括与所述冲切刃口对应设置的下模刃口，所述下模刃口与冲切刃口配合用于对所述板料的冲切；The lower mold is fixedly installed on the lower mold base, and includes a lower mold cutting edge corresponding to the punching cutting edge, and the lower mold cutting edge and the punching cutting edge cooperate to punch the sheet material;
废料通道，设置于下模上，用于移除从所述板料上裁切的废料；a waste passage, arranged on the lower die, for removing waste cut from the sheet;
卸料通道，设置于下模上，用于导出落料加工完成的板料。The unloading channel is set on the lower mold and is used to export the finished blanks.
作为优选，所述下模包括第一下模刃口、第二下模刃口、第三下模刃口、第四下模刃口、第五下模刃口、第六下模刃口和第七下模刃口，其中第二下模刃口、第三下模刃口、第四下模刃口、第五下模刃口和第六下模刃口均设置有两个，沿进料方向分别位于下模的两侧并且位于不同工位上，第一下模刃口、第二下模刃口、第三下模刃口、第四下模刃口和第五下模刃口，对应设置于废料通道上方，第六下模刃口和第七下模刃口，对应设置于卸料通道上方。As preferably, the lower mold includes a first lower mold edge, a second lower mold edge, a third lower mold edge, a fourth lower mold edge, a fifth lower mold edge, a sixth lower mold edge and The seventh lower die cutting edge, wherein the second lower die cutting edge, the third lower die cutting edge, the fourth lower die cutting edge, the fifth lower die cutting edge and the sixth lower die cutting edge are all provided with two. The material direction is located on both sides of the lower die and at different stations, the first lower die edge, the second lower die edge, the third lower die edge, the fourth lower die edge and the fifth lower die edge , which are correspondingly arranged above the waste channel, and the sixth lower die edge and the seventh lower die edge are correspondingly arranged above the discharge channel.
作为优选，所述上模包括与第一下模刃口、第二下模刃口、第三下模刃口、第四下模刃口、第五下模刃口、第六下模刃口和第七下模刃口一一对应设置的第一冲切刃口、第二冲切刃口、第三冲切刃口、第四冲切刃口、第五冲切刃口、第六冲切刃口和第七冲切刃口。As preferably, the upper mold includes a first lower mold edge, a second lower mold edge, a third lower mold edge, a fourth lower mold edge, a fifth lower mold edge, and a sixth lower mold edge The first punching edge, the second punching edge, the third punching edge, the fourth punching edge, the fifth punching edge, the sixth punching edge, and the seventh lower die edge are set in one-to-one correspondence. cutting edge and the seventh punching edge.
作为优选，所述卸料通道设置有两个，分别对应于一个第六下模刃口设置。Preferably, there are two discharge channels, each corresponding to a sixth lower die cutting edge.
作为优选，所述压料板通过氮气弹簧活动设置于上模上。Preferably, the pressing plate is movably arranged on the upper die through a nitrogen spring.
作为优选，所述上模座上设置有卸料螺钉，卸料时所述卸料螺钉从压料板中穿出。Preferably, a discharge screw is provided on the upper mold base, and the discharge screw passes through the pressing plate during discharge.
作为优选，所述下模上设置有进料口和导料机构，所述板料由进料口进入并由导料机构导入到下模上。Preferably, the lower mold is provided with a feed port and a material guide mechanism, and the sheet material enters through the feed port and is guided to the lower die by the material guide mechanism.
本实用新型的有益效果：通过设置多组冲切刃口，其中每组冲切刃口包括尺寸规格相同的两个冲切刃口，所述两个冲切刃口分别位于不同的工位上，有效地提高了板料的利用率。Beneficial effects of the utility model: by setting multiple groups of punching edges, each group of punching edges includes two punching edges with the same size and specifications, and the two punching edges are respectively located at different stations , effectively improving the utilization rate of the sheet metal.
附图说明Description of drawings
图1是本实用新型上模座、上模和压料板的结构示意图；Fig. 1 is the structural representation of upper mold base, upper mold and binder plate of the present utility model;
图2是本实用新型下模座和下模的结构示意图；Fig. 2 is the structural representation of lower mold base and lower mold of the present utility model;
图3是本实用新型上模座和上模的结构示意图。Fig. 3 is a schematic structural view of the upper mold base and the upper mold of the present invention.
图中：In the picture:
1、上模座；1. Upper mold seat;
2、上模；2. Upper mold;
21、第一冲切刃口；22、第二冲切刃口；23、第三冲切刃口；24、第四冲切刃口；25、第五冲切刃口；26、第六冲切刃口；27、第七冲切刃口；21. The first punching edge; 22. The second punching edge; 23. The third punching edge; 24. The fourth punching edge; 25. The fifth punching edge; 26. The sixth punching edge Cutting edge; 27, the seventh punching edge;
3、压料板；3. Press plate;
4、下模座；4. Lower mold seat;
5、下模；5. Lower mold;
51、第一下模刃口；52、第二下模刃口；53、第三下模刃口；54、第四下模刃口；55、第五下模刃口；56、第六下模刃口；57、第七下模刃口；51. The cutting edge of the first lower die; 52. The cutting edge of the second lower die; 53. The cutting edge of the third lower die; 54. The cutting edge of the fourth lower die; 55. The cutting edge of the fifth lower die; 56. The sixth lower die Die cutting edge; 57, the seventh lower die cutting edge;
6、废料通道；6. Waste channel;
7、卸料通道；7. Unloading channel;
8、进料口；8. Feed port;
9、导料机构。9. Guide mechanism.
具体实施方式detailed description
下面结合附图并通过具体实施方式来进一步说明本实用新型的技术方案。The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.
本实用新型提供了一种级进落料模，如图1-2所示，包括上模座1，设置于上模座1上的上模2和压料板3，下模座4，设置于下模座4上的下模5、废料通道6和卸料通道7。上述上模2，活动安装于上模座1上，包括多组冲切刃口，每组冲切刃口包括尺寸规格相同的两个冲切刃口，上述两个冲切刃口分别位于不同的工位上。上述压料板3，活动设置于上模2上，用于对板料的固定。上述下模5，固定安装于下模座4上，包括与上模2的冲切刃口对应设置的下模刃口，上述下模刃口与上述冲切刃口一一对应且互相配合，用于对上述板料的冲切。上述废料通道6，设置于下模5上，用于移除从上述板料上裁切的废料。上述卸料通道7，同样设置于下模5上，用于导出落料加工完成的板料。上述位于不同工位上的各组冲切刃口和下模刃口的设置，提高了板料的利用率，上述废料通道6和卸料通道7的设置在保护模具的同时，提高了板料的加工效率，并且提高了板料加工的安全性。The utility model provides a progressive blanking die, as shown in Figure 1-2, comprising an upper mold base 1, an upper mold 2 and a binder plate 3 arranged on the upper mold base 1, a lower mold base 4, and a The lower mold 5 on the lower mold base 4, the waste channel 6 and the discharge channel 7. The above-mentioned upper die 2 is movably installed on the upper die base 1, and includes multiple sets of punching edges, each set of punching edges includes two punching edges with the same size and specifications, and the above-mentioned two punching edges are respectively located at different positions. on the workstation. The above-mentioned clamping plate 3 is movably arranged on the upper mold 2, and is used for fixing the plate. The above-mentioned lower mold 5 is fixedly installed on the lower mold base 4, and includes a lower mold cutting edge corresponding to the punching edge of the upper mold 2, and the above-mentioned lower mold cutting edge corresponds to and cooperates with the above-mentioned punching cutting edge, It is used for punching the above-mentioned sheets. The waste channel 6 is arranged on the lower mold 5 for removing the waste cut from the board. The above-mentioned unloading channel 7 is also arranged on the lower mold 5, and is used to lead out the finished sheet material after the blanking process. The above-mentioned setting of each group of punching cutting edges and lower die cutting edges located on different stations improves the utilization rate of the sheet metal, and the above-mentioned waste channel 6 and discharge channel 7 are arranged to protect the mold and improve the sheet material utilization rate. The processing efficiency is improved, and the safety of sheet metal processing is improved.
具体的，在本实施例中，上述下模5包括第一下模刃口51、第二下模刃口52、第三下模刃口53、第四下模刃口54、第五下模刃口55、第六下模刃口56和第七下模刃口57。其中，第一下模刃口51和第七下模刃口57设置有一个，第二下模刃口52、第三下模刃口53、第四下模刃口54、第五下模刃口55和第六下模刃口56成组设置，每组设置有两个，每组的两个刃口沿进料方向分别位于下模5的两侧并且位于不同工位上。并且，第一下模刃口51、第二下模刃口52、第三下模刃口53、第四下模刃口54和第五下模刃口55，对应设置于废料通道6上方，第六下模刃口56和第七下模刃口57，对应设置于卸料通道7上方。Specifically, in this embodiment, the above-mentioned lower mold 5 includes a first lower mold edge 51, a second lower mold edge 52, a third lower mold edge 53, a fourth lower mold edge 54, a fifth lower mold edge cutting edge 55 , the sixth lower die cutting edge 56 and the seventh lower die cutting edge 57 . Wherein, the first lower mold edge 51 and the seventh lower mold edge 57 are provided with one, the second lower mold edge 52, the third lower mold edge 53, the fourth lower mold edge 54, the fifth lower mold edge The opening 55 and the sixth lower die cutting edge 56 are arranged in groups, each group has two cutting edges, and the two cutting edges of each group are respectively located on both sides of the lower die 5 along the feeding direction and at different stations. And, the first lower die cutting edge 51, the second lower die cutting edge 52, the third lower die cutting edge 53, the fourth lower die cutting edge 54 and the fifth lower die cutting edge 55 are correspondingly arranged above the waste passage 6, The sixth lower die cutting edge 56 and the seventh lower die cutting edge 57 are correspondingly arranged above the discharge channel 7 .
在本实施例中，具体的，级进落料模沿进料方向设置有四个工位，依次为：第一工位(图2中A处)、第二工位(图2中B处)、第三工位(图2中C处)和第四工位(图2中D处)。上述第一下模刃口51位于第二工位的中轴线上，第七下模刃口57位于第三工位的中轴线上。上述两个第二下模刃口52分别位于第二工位沿进料方向的左侧和第三工位沿进料方向的右侧。上述两个第三下模刃口53分别位于第一工位沿进料方向的左侧和第二工位沿进料方向的右侧。上述两个第四下模刃口54分别位于第二工位沿进料方向的左侧和第三工位沿进料方向的右侧。上述两个第五下模刃口55分别位于第二工位沿进料方向的左侧和第一工位沿进料方向的右侧。上述两个第六下模刃口56分别位于第三工位沿进料方向的左侧和第四工位沿进料方向的右侧。上述下模刃口的排布，有效地提高了板料的得用率，提高了板料的落料加工效果，并且由于刃口的错位设置增加了装置的安全性和模具的使用寿命。In this embodiment, specifically, the progressive blanking die is provided with four stations along the feed direction, which are: the first station (at A in Fig. 2 ), the second station (at B in Fig. 2 ), the third station (at C in Figure 2) and the fourth station (at D in Figure 2). The first lower mold cutting edge 51 is located on the central axis of the second station, and the seventh lower mold cutting edge 57 is located on the central axis of the third station. The two second lower die cutting edges 52 are respectively located on the left side of the second station along the feeding direction and on the right side of the third station along the feeding direction. The two third lower die cutting edges 53 are respectively located on the left side of the first station along the feeding direction and on the right side of the second station along the feeding direction. The two fourth lower die cutting edges 54 are respectively located on the left side of the second station along the feeding direction and on the right side of the third station along the feeding direction. The two fifth lower die cutting edges 55 are respectively located on the left side of the second station along the feeding direction and on the right side of the first station along the feeding direction. The two sixth lower die cutting edges 56 are respectively located on the left side of the third station along the feeding direction and on the right side of the fourth station along the feeding direction. The above-mentioned arrangement of cutting edges of the lower die effectively improves the utilization rate of the sheet metal, improves the blanking processing effect of the sheet metal, and increases the safety of the device and the service life of the mold due to the misalignment of the cutting edges.
在本实施例中，上述上模2包括与第一下模刃口51、第二下模刃口52、第三下模刃口53、第四下模刃口54、第五下模刃口55、第六下模刃口56和第七下模刃口57一一对应设置的第一冲切刃口21、第二冲切刃口22、第三冲切刃口23、第四冲切刃口24、第五冲切刃口25、第六冲切刃口26和第七冲切刃口27。上述刃口的设置，增加了模具的安全性和使用寿命。In the present embodiment, the above-mentioned upper mold 2 includes a first lower mold edge 51, a second lower mold edge 52, a third lower mold edge 53, a fourth lower mold edge 54, and a fifth lower mold edge. 55. The first punching edge 21, the second punching edge 22, the third punching edge 23, the fourth punching edge 23, the fourth punching edge The cutting edge 24 , the fifth punching edge 25 , the sixth punching edge 26 and the seventh punching edge 27 . The setting of the cutting edge increases the safety and service life of the mould.
优选的，上述压料板3通过氮气弹簧(图中未示出)活动设置于上模2上。氮气弹簧的设置，提高了压料板3的稳定性，提高了板料加工的质量和模具的使用寿命。Preferably, the above-mentioned clamping plate 3 is movably arranged on the upper mold 2 through a nitrogen gas spring (not shown in the figure). The setting of the nitrogen spring improves the stability of the pressing plate 3, improves the quality of sheet metal processing and the service life of the mould.
更优的，上模座1上还设置有卸料螺钉(图中未示出)，卸料时上述卸料螺钉从压料板3中穿出。卸料螺钉的设置，有效地提高了板料的加工效率和模具的安全性和使用寿命。More preferably, an unloading screw (not shown in the figure) is also arranged on the upper mold base 1, and the above-mentioned unloading screw passes through the pressing plate 3 during unloading. The setting of the unloading screw effectively improves the processing efficiency of the sheet and the safety and service life of the mold.
具体的，上述下模5上还设置有进料口8和导料机构9，上述板料由进料口8进入并由导料机构9导入到下模5上。上述设置，有效地提高了板料的加工效率和模具的安全性和使用寿命。Specifically, the above-mentioned lower mold 5 is also provided with a feed port 8 and a material guide mechanism 9 , and the above-mentioned sheet material enters through the feed port 8 and is guided to the lower die 5 by the material guide mechanism 9 . The above settings effectively improve the processing efficiency of the sheet metal and the safety and service life of the mould.
在具体使用时，沿进料方向的左侧部分板料，在第一工位处由第三冲切刃口23与对应的第三下模刃口53配合冲切废料，并且上述废料从废料通道6移除，在第二工位处由第一冲切刃口21、第二冲切刃口22、第四冲切刃口24和第五冲切刃口25与对应的第一下模刃口51、第二下模刃口52、第四下模刃口54、第五下模刃口55配合冲切废料，并且上述废料从废料通道6移除，在第三工位处由第六冲切刃口26和第七冲切刃口27与对应的第六下模刃口56和第七下模刃口57配合落料，并且上述落料后得到的板料从卸料通道7导出。沿进料方向的右侧部分板料，在第一工位处由第五冲切刃口25与对应的第五下模刃口55配合冲切废料，并且上述废料从废料通道6移除，在第二工位处由第一冲切刃口21和第三冲切刃口23与对应的的第一下模刃口51和第三下模刃口53配合冲切废料，并且上述废料从废料通道6移除，在第三工位处由第二冲切刃口22和第四冲切刃口24与对应的第二下模刃口52和第四下模刃口54配合冲切废料，并且上述废料从废料通道6移除，在第四工位处由第六冲切刃口26与对应的第六下模刃口56配合落料，并且上述落料而得到板料从卸料通道7导出。In specific use, along the left part of the sheet material in the feeding direction, at the first station, the third punching edge 23 cooperates with the corresponding third lower die edge 53 to punch out the waste, and the above waste is removed from the waste. The channel 6 is removed, and at the second station, the first punching edge 21, the second punching edge 22, the fourth punching edge 24 and the fifth punching edge 25 and the corresponding first lower die The cutting edge 51, the second lower die cutting edge 52, the fourth lower die cutting edge 54, and the fifth lower die cutting edge 55 cooperate to punch waste materials, and the above-mentioned waste materials are removed from the waste material channel 6, and are processed by the third station at the third station. The sixth punching edge 26 and the seventh punching edge 27 are blanked with the corresponding sixth lower die edge 56 and the seventh lower die edge 57, and the sheet material obtained after the above blanking is discharged from the discharge channel 7 export. The right part of the sheet material along the feeding direction is punched out by the fifth punching edge 25 and the corresponding fifth lower die edge 55 at the first station, and the above-mentioned waste is removed from the waste channel 6, At the second station, the first punching edge 21 and the third punching edge 23 cooperate with the corresponding first lower die edge 51 and the third lower die edge 53 to punch the waste, and the above waste is removed from the The waste channel 6 is removed, and the second punching edge 22 and the fourth punching edge 24 cooperate with the corresponding second lower die edge 52 and the fourth lower die edge 54 to punch out the waste at the third station , and the above-mentioned waste material is removed from the waste material passage 6, and the sixth blanking edge 26 is matched with the corresponding sixth lower die edge 56 at the fourth station, and the above-mentioned blanking is obtained to obtain the sheet material from the discharge Channel 7 is exported.
显然，本实用新型的上述实施例仅仅是为了清楚说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型权利要求的保护范围之内。Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508665A (en) * | 2019-09-18 | 2019-11-29 | 上海捷众汽车冲压件有限公司 | Progressive blanking die and blanking method for upper plate of longitudinal beam |
| CN114011963A (en) * | 2021-10-27 | 2022-02-08 | 苏州金鸿顺汽车部件股份有限公司 | Die-cut blanking mould of raw materials of door anticollision apron |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508665A (en) * | 2019-09-18 | 2019-11-29 | 上海捷众汽车冲压件有限公司 | Progressive blanking die and blanking method for upper plate of longitudinal beam |
| CN114011963A (en) * | 2021-10-27 | 2022-02-08 | 苏州金鸿顺汽车部件股份有限公司 | Die-cut blanking mould of raw materials of door anticollision apron |
| CN114011963B (en) * | 2021-10-27 | 2023-09-29 | 苏州金鸿顺汽车部件股份有限公司 | Raw material punching and blanking die for anti-collision cover plate of vehicle door |
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