CN109261788B - Method for machining two through pin holes of rear foot connecting plate of automobile rear row seat cushion concentrically - Google Patents
Method for machining two through pin holes of rear foot connecting plate of automobile rear row seat cushion concentrically Download PDFInfo
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- CN109261788B CN109261788B CN201811214738.2A CN201811214738A CN109261788B CN 109261788 B CN109261788 B CN 109261788B CN 201811214738 A CN201811214738 A CN 201811214738A CN 109261788 B CN109261788 B CN 109261788B
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- hole
- connecting plate
- seat cushion
- punch
- rear foot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/243—Perforating, i.e. punching holes in profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/246—Selection of punches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a method for processing two concentric pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile, which comprises the following steps: s1: determining the diameter size, the distance and the material thickness of a first through hole and a second through hole of a rear foot connecting plate of the rear seat cushion; s2: preparing two punches with different lengths of phi 10, and respectively installing the punches on one side of a die for producing the rear seat cushion rear foot connecting plate 1 in the two-step punching process; s3: after the prepared punch is installed in place, sequentially punching the parts; s4: the rear-row seat cushion rear foot connecting plate firstly punches out the first through hole on one side by the short punch, and after the first through hole is punched out, the long punch is attached to the other side by the first through hole to punch out the second through hole in the next step. The invention can effectively ensure that the first through hole and the second through hole are concentric, and avoids unqualified parts after welding production due to the fact that the two through pin holes in the connecting plate of the rear foot of the seat cushion are not concentric after production.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to a method for machining two through pin holes of a connecting plate of a rear foot of an automobile rear seat cushion in a concentric manner.
Background
With the development of economy, the popularity of automobiles as a vehicle has been higher and higher, and automobiles have become the most important vehicles. Most of the motor vehicles on the market are mainly provided with seat cushions, so that the welding piece of the connecting plate of the rear leg of the seat cushion becomes an indispensable part of a plurality of seat cushions. The seat cushions of motor vehicles on the market have various situations, and the welded parts of the connecting plates of the rear feet of the seat cushions have different installation positions.
The seat cushion rear foot connecting plate welding piece is divided into a plurality of types, and the seat cushion rear foot connecting plate welding piece mainly comprises a seat cushion rear foot connecting plate, a locking hook, a pin shaft, a tension spring plate and a gasket. The welding mode of the seat cushion rear foot connecting plate welding piece is only 1. The punching position of the connecting plate of the rear leg of the seat cushion is an important part, but the phenomenon of non-concentricity of the punched holes can occur when the pin shaft is installed. The condition that the pin shaft on the welding piece of the connecting plate of the rear leg of the seat cushion can not penetrate through the concentric hole is caused, the condition of production error is caused, and the energy conservation and the efficiency improvement of enterprises are not facilitated.
Therefore, a method for processing two concentric through pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile is provided to solve the problems mentioned in the background technology.
Disclosure of Invention
The invention aims to provide a method for processing two concentric pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a concentric processing method for two pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile comprises the following steps:
s1: determining the diameter size, the distance and the material thickness of a first through hole and a second through hole of a rear foot connecting plate of the rear seat cushion;
s2: preparing two punches with different lengths of phi 10, and respectively installing the punches on one side of a die for producing the rear seat cushion rear foot connecting plate 1 in the two-step punching process;
s3: after the prepared punch heads are installed in place, sequentially punching the parts, and paying attention to checking whether the punch heads are all placed in the designated holes; the working procedures of punching in sequence are as follows:
the rear seat cushion rear foot connecting plate firstly punches a first through hole on one side out by using a short punch, and after the first through hole is punched, a long punch is attached to the other side through the first through hole to punch a second through hole in the next step;
s4: after punching, the concentricity of the first through hole and the second through hole of the rear seat cushion rear foot connecting plate is checked, and the defects are found and isolated in time.
When the second through hole is punched in the step S3, when the long punch and the other side of the rear leg connecting plate of the rear seat cushion cannot be attached together, whether the part is installed in place needs to be confirmed, and the part is installed again after loosening, so that the part is ensured to be fixed.
Before step S3, it is necessary to visually check whether the visible portion of the cavity is abnormal, so as to ensure that no foreign matter exists; the mold cavity was cleaned every 2 hours of production and checked for damage to the punch at one stroke.
And step S2, determining the punching tonnage and the die filling height of the punch before production, determining parameters once before production, and determining once every 2 hours after production so as to avoid operating parameters being inconsistent and causing burrs to appear on punched holes.
The invention has the beneficial effects that: the invention adopts a processing method of sequentially punching from one side to the other side when the die is used for punching, ensures that the positions of two pin holes of the connecting plate of the rear leg of the seat cushion are concentric, avoids unqualified parts after welding production due to the fact that two first through holes and two second through holes which are used for penetrating through pins in the connecting plate of the rear leg of the seat cushion are not concentric after production, reduces error rate, improves the utilization rate of materials and saves cost.
Drawings
FIG. 1 is a schematic diagram of the right side structure of the rear foot connecting plate of the rear seat cushion of the present invention;
FIG. 2 is a schematic view of the left side structure of the rear foot connecting plate of the rear seat cushion of the present invention.
In the figure: the rear cushion is characterized in that 1 is a rear foot connecting plate of a rear seat cushion, 2 is a first through hole, and 3 is a second through hole.
Detailed Description
The invention will now be further illustrated by way of non-limiting examples in conjunction with the accompanying drawings:
the invention provides a concentric processing method for two pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile as shown in figures 1-2, which comprises the following steps:
s1: determining the diameter size, the distance and the material thickness of a first through hole 2 and a second through hole 3 of a rear cushion rear foot connecting plate 1;
s2: preparing two punches with different lengths of phi 10, and respectively installing the two punches on one side of a die for producing the rear seat cushion rear foot connecting plate 1 in the two-step punching process;
s3: after the prepared punch heads are installed in place, sequentially punching the parts, and paying attention to checking whether the punch heads are all placed in the designated holes; the working procedures of punching in sequence are as follows:
the rear seat cushion rear foot connecting plate 1 firstly punches a first through hole 2 on one side out by using a short punch, and after the first through hole 2 is punched, a long punch is attached to the other side through the first through hole 2 to punch a second through hole 3 in the next step, the rear seat cushion rear foot connecting plate 1 is fixed during punching, and the long punch and the first through hole 2 are guaranteed to vertically punch towards the other side of the first through hole 2;
s4: after punching, the concentricity of the first through hole 2 and the second through hole 3 of the rear seat cushion rear foot connecting plate 1 is checked, the defects are found, isolation is carried out in time, inspection and confirmation are informed, the problem is informed to be repaired and solved in time when the shift is in work, and the waste of the process cost is reduced.
When the second through hole 3 is punched in the step S3, when the long punch and the other side of the rear seat cushion rear foot connecting plate 1 cannot be attached together, it is necessary to confirm whether the part is installed in place, and the part is reinstalled after loosening, so as to ensure the part is fixed.
Before step S3, it is necessary to visually check whether the visible portion of the cavity is abnormal, so as to ensure that no foreign matter exists; the die cavity is cleaned every 2 hours of production, whether the punch is damaged or not is checked, so that the risk that foreign matters exist in the die cavity to cause die damage is avoided, and the risk that a product is pressed to be broken or deformed is controlled.
And step S2, determining the punching tonnage and the die filling height of the punch before production, determining parameters once before production, and determining once every 2 hours after production so as to avoid operating parameters being inconsistent and causing burrs to appear on punched holes.
In summary, compared with the prior art, the processing method of sequentially punching holes from one side to the other side during die punching is adopted, the industrial standard requirements are met, disqualification of parts after welding production due to the fact that the two first through holes 2 and the two second through holes 3 which are used for penetrating through pins in the seat cushion rear foot connecting plate are not concentric after production is avoided, the first through holes 2 and the second through holes 3 can be effectively guaranteed to be concentric, disqualification of parts after welding production due to the fact that the two through holes in the seat cushion rear foot connecting plate are not concentric after production is avoided, error rate is reduced, material utilization rate is improved, and cost is saved.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (4)
1. A processing method for two concentric pin holes of a connecting plate of a rear foot of a rear seat cushion of an automobile is characterized by comprising the following steps of: the method comprises the following steps:
s1: determining the diameter size, the distance and the material thickness of a first through hole (2) and a second through hole (3) of a rear foot connecting plate (1) of a rear seat cushion;
s2: preparing two punches with different lengths of phi 10, and respectively installing the punches on one side of a die for producing the rear seat cushion rear foot connecting plate (1) in the two-step punching process;
s3: after the prepared punch heads are installed in place, sequentially punching the parts, and paying attention to checking whether the punch heads are all placed in the designated holes; the working procedures of punching in sequence are as follows:
the rear seat cushion rear foot connecting plate (1) is firstly punched out of a first through hole (2) on one side by a short punch, after the first through hole (2) is punched out, a long punch is attached to the other side to punch a second through hole (3) through the first through hole (2) in the next step, the rear seat cushion rear foot connecting plate (1) is fixed during punching, and the long punch and the first through hole (2) are guaranteed to vertically punch the other side of the first through hole (2);
s4: after punching, the concentricity of the first through hole (2) and the second through hole (3) of the rear seat cushion rear foot connecting plate (1) is checked, and the defects are found and isolated in time.
2. The method for machining the concentricity of the two pin through holes of the connecting plate of the rear foot of the automobile rear seat cushion according to claim 1 is characterized in that: when the second through hole (3) is punched in the step S3, when the long punch and the other side of the rear seat cushion rear foot connecting plate (1) cannot be attached together, whether the part is installed in place needs to be confirmed, and the part is installed again after loosening, so that the part is guaranteed to be fixed.
3. The method for machining the concentricity of the two pin through holes of the connecting plate of the rear foot of the automobile rear seat cushion according to claim 1 is characterized in that: before step S3, it is necessary to visually check whether the visible portion of the cavity is abnormal, so as to ensure that no foreign matter exists; the mold cavity was cleaned every 2 hours of production and checked for damage to the punch at one stroke.
4. The method for machining the concentricity of the two pin through holes of the connecting plate of the rear foot of the automobile rear seat cushion according to claim 1 is characterized in that: and step S2, determining the punching tonnage and the die filling height of the punch before production, determining parameters once before production, and determining once every 2 hours after production so as to avoid operating parameters being inconsistent and causing burrs to appear on punched holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214738.2A CN109261788B (en) | 2018-10-18 | 2018-10-18 | Method for machining two through pin holes of rear foot connecting plate of automobile rear row seat cushion concentrically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214738.2A CN109261788B (en) | 2018-10-18 | 2018-10-18 | Method for machining two through pin holes of rear foot connecting plate of automobile rear row seat cushion concentrically |
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| Publication Number | Publication Date |
|---|---|
| CN109261788A CN109261788A (en) | 2019-01-25 |
| CN109261788B true CN109261788B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811214738.2A Active CN109261788B (en) | 2018-10-18 | 2018-10-18 | Method for machining two through pin holes of rear foot connecting plate of automobile rear row seat cushion concentrically |
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| CN (1) | CN109261788B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626736A (en) * | 2012-04-18 | 2012-08-08 | 苏州市伟业金属制品有限公司 | Punching die for coaxial dual holes of rolling shaft of textile machine |
| CN202367042U (en) * | 2011-12-23 | 2012-08-08 | 杭州淳诚实业有限公司 | Porous metal plate compound press tool |
| CN103008442A (en) * | 2012-12-26 | 2013-04-03 | 杭州自强链传动有限公司 | Pintle chain four-hole punching device |
| CN103118818A (en) * | 2010-08-25 | 2013-05-22 | 荷兰机械公司 | Method and device for punching holes in double-walled materials |
| CN203184402U (en) * | 2013-04-02 | 2013-09-11 | 北汽福田汽车股份有限公司 | Punching die |
| CN204095587U (en) * | 2014-08-22 | 2015-01-14 | 比亚迪股份有限公司 | Back row seat of automobile seat cushion switching mechanism and automobile rear seat |
| CN204262154U (en) * | 2014-11-18 | 2015-04-15 | 保定苏博汽车零件制造有限公司 | U-shaped auto parts and components blanking die |
| CN105081066A (en) * | 2015-08-12 | 2015-11-25 | 西北轴承股份有限公司 | Double-positioning punching mould for rolling bearing leading-in cantilever |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60261627A (en) * | 1984-06-08 | 1985-12-24 | Daido Steel Co Ltd | Punching and piercing device in upsetter |
| SU1360855A1 (en) * | 1986-07-29 | 1987-12-23 | Запорожский автомобильный завод "Коммунар" | Die for piercing coaxial holes in walls of hollow workpieces in u-shaped sections |
| JP3693445B2 (en) * | 1997-02-10 | 2005-09-07 | 日本精工株式会社 | Universal joint yoke and manufacturing method thereof |
-
2018
- 2018-10-18 CN CN201811214738.2A patent/CN109261788B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118818A (en) * | 2010-08-25 | 2013-05-22 | 荷兰机械公司 | Method and device for punching holes in double-walled materials |
| CN202367042U (en) * | 2011-12-23 | 2012-08-08 | 杭州淳诚实业有限公司 | Porous metal plate compound press tool |
| CN102626736A (en) * | 2012-04-18 | 2012-08-08 | 苏州市伟业金属制品有限公司 | Punching die for coaxial dual holes of rolling shaft of textile machine |
| CN103008442A (en) * | 2012-12-26 | 2013-04-03 | 杭州自强链传动有限公司 | Pintle chain four-hole punching device |
| CN203184402U (en) * | 2013-04-02 | 2013-09-11 | 北汽福田汽车股份有限公司 | Punching die |
| CN204095587U (en) * | 2014-08-22 | 2015-01-14 | 比亚迪股份有限公司 | Back row seat of automobile seat cushion switching mechanism and automobile rear seat |
| CN204262154U (en) * | 2014-11-18 | 2015-04-15 | 保定苏博汽车零件制造有限公司 | U-shaped auto parts and components blanking die |
| CN105081066A (en) * | 2015-08-12 | 2015-11-25 | 西北轴承股份有限公司 | Double-positioning punching mould for rolling bearing leading-in cantilever |
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| CN109261788A (en) | 2019-01-25 |
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Address after: 266200 No. 1626, Qingwei Road, Jimo District, Qingdao, Shandong Province Patentee after: Qingdao Hailian Jinhui Auto Parts Co.,Ltd. Address before: 266200 No. 1626, Qingwei Road, Jimo District, Qingdao, Shandong Province Patentee before: QINGDAO HAILIDA STAMPING PARTS CO.,LTD. |
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