Press system for trimming

专利摘要:
PURPOSE: A press device for trimming is provided to avoid the attachment of small-sized scraps to the front end portion of an upper or a lower trim steels by forcibly falling down the scraps when a product is trimmed and to improve processibility and productivity of the product by forcibly ejecting the scraps. CONSTITUTION: A forcible scrap fall-down unit(15) is installed in one portion of the lower end face of an upper trim steel(11). The forcible scrap fall-down unit comprises a connecting bolt(17), an ejecting leaf spring(19) connected to one portion of the lower end face of the upper trim steel via the connecting bolt, and washer members(21,23) assisting the connecting force between the connecting bolt and the leaf spring.
公开号:KR20020095646A
申请号:KR1020010033812
申请日:2001-06-15
公开日:2002-12-28
发明作者:김태선
申请人:현대자동차주식회사；
IPC主号:

专利说明:

Press device for trimming {PRESS SYSTEM FOR TRIMMING}
[10] The present invention relates to a pressing apparatus for trimming, and more particularly, to a trimming press apparatus which allows the scrap (SCRAP) generated after trimming to be smoothly taken out.
[11] Generally, 2 to 30,000 parts are manufactured through several assembly processes until an automobile manufacturer produces a car.
[12] In particular, the car body is the first step in the automobile manufacturing process. After producing product panels through various kinds of press devices, the car body is moved to a car body factory, where each part of the product panels is assembled to form a white body (BIW) body. .
[13] In order to form the material panel into the product panel as described above, after forming process of press molding to a certain form through various kinds of press equipment, it is cut in press process such as trimming, piercing and flanging. Hole processing, bending, etc. will be processed.
[14] In such a press process, trimming of a panel uses the press apparatus for trimming as shown in FIG.
[15] That is, the lower mold trim steel 101 is mounted on the lower mold die 103, and the upper mold pad for pressing and regulating the material panel 100 together with the lower mold trim steel 101 on the upper mold die 103. 105 is disposed, and the upper die pad 105 is connected via a cushion spring 109 between the upper die die 107 thereon.
[16] And trimming the front end of the material panel 100 padded by the upper mold pad 105 and the lower mold trim steel 101 downward toward the upper die 107 toward the outer side of the upper mold pad 105. The upper trim steel 111 is mounted so as to interlock with the operation of the upper die 107.
[17] Therefore, as shown in FIG. 7, when the upper die 107 descends while the material panel 100 is inserted, the upper die pad 105 is first molded into a predetermined shape by the action of the cushion spring 109. The material panel 100 is padded together with the lower mold trim steel 101. After that, the upper mold trim steel 111 is padded in the state where the upper mold pad 105 pads the material panel 100. FIG. As in 8, together with the lower mold trim steel 101, the front end of the material panel 100 is to be trimmed.
[18] Here, the scrap 113 cut by trimming is dropped to the floor of the work room through the scrap receiver 115. .
[19] However, according to the conventional trimming press device as described above, in the case where the amount of the trimmed molding panel is large, as shown in FIG. 9, the magnetic properties are generated at the tip ends of the upper and lower trim steels 111 and 101. The small sized scrap 113 is not taken out and sticks to the front end portions of the upper and lower trim steels 111 and 101, thereby causing problems such as poor moldability of the panel 100.
[20] Therefore, the present invention was created in order to solve the above-mentioned problems, and an object of the present invention is to trim the molding (SCRAP) forcibly dropping the generated scrap (SCRAP) simultaneously with the trimming by the upper and lower trim steel. It is to provide a press device for.
[1] 1 is a cross-sectional view of a trimming press device according to the present invention.
[2] FIG. 2 is an enlarged cross-sectional view of part A of FIG. 1.
[3] 3 is a configuration cross-sectional view showing a first operating state of the trimming press device according to the present invention.
[4] 4 is a configuration sectional view showing a second operation state of the trimming press device according to the present invention.
[5] 5 is a configuration sectional view showing a third operation state of the trimming press device according to the present invention.
[6] 6 is a cross-sectional view of a trimming press device according to the prior art.
[7] 7 is a configuration sectional view showing a first operating state of a trimming press device according to the prior art.
[8] 8 is a configuration sectional view showing a second operating state of a trimming press device according to the prior art.
[9] 9 is a configuration sectional view showing a third operation state of a trimming press device according to the prior art.
[21] In order to achieve the above object, in the trimming press device according to the present invention, a lower mold trim steel is mounted on a lower die, and a top of the lower mold trim steel together with the lower mold trim steel is compressed and regulated. The upper pad is connected between the upper die and the upper die through a cushion spring, and the top of the upper die is trimmed to the side of the upper die, and trimmed at the front end of the material panel padded by the upper die and the lower die trim steel. In the trimming press device which is formed to be linked to the operation of the upper die die is mounted to the upper form trim steel,
[22] Including a scrap force drop means for having a self-elasticity in a state spaced apart by a predetermined interval corresponding to the blade of the upper trimming steel and mounted on one side of the lower surface of the upper trimming steel to forcibly take out and drop the scrap generated at the same time as the trimming molding Characterized in that
[23] The scrap forced drop means and the fastening bolt; A leaf spring for extracting one side through the fastening bolt from one side of the upper trim steel; It is characterized by consisting of a plurality of washer members interposed between the fastening bolt and the take-out plate spring to assist the fastening force,
[24] The take-out leaf spring is fastened to one side of the upper trim steel by the fastening bolt; A take-out part for direct contact with the scrap generated during trim molding corresponding to the blade of the upper trim steel; Characterized in that it consists of an elastic portion which is elastically connected by connecting the fastening portion and the extraction portion,
[25] The plurality of washer member is fitted to the fastening bolt and the flat washer in direct contact with the support plate spring for supporting it; It characterized in that the spring washer between the flat washer and the bolt head to elastically support the flat washer.
[26] Hereinafter, with reference to the accompanying drawings, the preferred configuration and operation of the present invention in more detail, as follows.
[27] 1 is a cross-sectional view of a trimming press device according to the present invention, wherein a trimming press device according to the present invention has a lower trim steel 1 mounted on a lower die 3, and the lower trim steel 1 In the upper part of the upper panel), the upper mold pad 5 for pressing and regulating the material panel 10 together with the lower mold trim steel 1 is disposed.
[28] The upper die pad 5 is connected to the upper die die 7 via a plurality of cushion springs 9, and downwards to the upper die die 7 toward the outside of the upper die pad 5. The upper mold trim steel 11 is mounted to trim the front end of the material panel 10 padded by the upper mold pad 5 and the lower mold trim steel 1 so that the upper mold die 7 can be trimmed. It is linked to the operation.
[29] Here, as shown in FIG. 2, the lower surface of the upper trimming steel 11 has its own elasticity at a predetermined interval to correspond to the blade portion 13 of the upper trimming steel 11 and the upper trimming steel Scrap forced drop means 15 is mounted on one side of the lower surface of the (11).
[30] The scrap force dropping means 15 is a fastening bolt 17, the extraction plate spring 19 and the fastening bolt fastened to one side of the lower surface of the upper trim steel 11 through the fastening bolt 17 ( 17) and washer members 21 and 23 interposed between the leaf springs 19 for assisting the fastening force.
[31] Here, the take-out leaf spring 19 corresponds to a fastening portion 31 fastened to one side of the upper trim steel 11 by the fastening bolt 17 and a blade 13 of the upper trim steel 11. It is composed of a take-out part 33 to be in direct contact with the scrap generated during the trim molding to force dropping it, and an elastic part 35 to connect the fastening part 31 and the take-out part 33 to operate elastically.
[32] The washer members are inserted into the fastening bolt 17 to be in direct contact with the support plate spring 15 to support the flat washer 21, and between the flat washer 21 and the bolt head 17 ' It consists of a spring washer 23 is fitted to elastically support the washer 21.
[33] Therefore, when the upper die 7 is lowered while the material panel 10 is inserted, as shown in FIG. 3, the upper die pad 5 is first molded into a predetermined shape by the action of the cushion spring 9. The material panel 10 is padded together with the lower mold trim steel 1. After that, the upper mold trim steel 11 is padded in the state in which the upper mold pad 5 pads the material panel 10. As described above, the front end of the material panel 10 is trimmed together with the lower mold trim steel 1.
[34] At this time, the ejection plate spring 15 mounted on one side of the lower end surface of the upper trim steel 11 is forced out of the scrap 37 generated by the ejection part 33 simultaneously with the trimming by its elasticity. By dropping, as shown in FIG. 5, the scrap 37 falls to the floor of the work room through the scrap receiver 39.
[35] As described above, according to the trimming press device according to the present invention, a scrap forced dropping means is provided on the bottom surface of the upper trimming steel to simultaneously trim the generated scrap (SCRAP) by trimming by the upper trimming and the lower trimming steel. By dropping in the furnace, even if magnetism occurs at the tip of upper and lower trim steel, small sized scrap does not stick to it, and it is forcibly pulled out so that it does not interfere with trim molding of upper and lower trim steel. There is an effect to improve.

权利要求:
Claims (2)
[1" claim-type="Currently amended] A lower trim steel is mounted on the lower die, and an upper pad for pressing and regulating the material panel together with the lower trim steel is connected to an upper portion of the lower trim steel via a cushion spring between the upper die and the upper die. And a top trim steel configured to trim the front end of the material panel padded by the top pad and the bottom trim steel to the side of the top pad, and to interlock with the operation of the top die. In the pressing device for trimming,
To have a self-elasticity in a state spaced apart by a predetermined interval corresponding to the blade of the upper trimming steel and mounted on one side of the lower surface of the upper trimming steel to forcibly take out and drop the scrap generated at the same time as the trimming,
Fastening bolts; A leaf spring for extracting one side through the fastening bolt from one side of the upper trim steel; Pressing device for trimming, characterized in that it comprises a scrap force drop means consisting of a plurality of washer members interposed between the fastening bolt and the take-out leaf spring to assist the fastening force.
[2" claim-type="Currently amended] The method according to claim 1, wherein the leaf spring for taking out
A fastening part fastened to one side of the upper trim steel by the fastening bolt;
A take-out part which is in direct contact with the scrap generated during trim molding in response to the blade of the upper trim steel;
Trimming press device, characterized in that consisting of an elastic portion which is elastically connected by connecting the fastening portion and the extraction portion.

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同族专利:

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公开号 | 公开日

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KR100412659B1|2003-12-31|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2001-06-15|Application filed by 현대자동차주식회사

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2001-06-15|Priority to KR20010033812A

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2002-12-28|Publication of KR20020095646A

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2003-12-31|Application granted

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2003-12-31|Publication of KR100412659B1

优先权:

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申请号 | 申请日 | 专利标题

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KR20010033812A|KR100412659B1|2001-06-15|2001-06-15|Press system for trimming|