CN101758366B - Processing method of lower base plate of vehicle seat back - Google Patents
Processing method of lower base plate of vehicle seat back Download PDFInfo
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- CN101758366B CN101758366B CN2008102076264A CN200810207626A CN101758366B CN 101758366 B CN101758366 B CN 101758366B CN 2008102076264 A CN2008102076264 A CN 2008102076264A CN 200810207626 A CN200810207626 A CN 200810207626A CN 101758366 B CN101758366 B CN 101758366B
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- punching
- processing method
- vehicle seat
- base plate
- seat back
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Abstract
The invention discloses a processing method of a lower base plate of a vehicle seat back. The processing method comprises the steps of cutting material, pre-molding, trimming and punching, coiling a circular edge into the U shape, molding a U-shaped whole body, side punching, coiling a circle, reshaping, punching a flanging hole, profiling, punching and squeezing a rivet for connecting and molding, wherein the step of coiling the circular edge into the U shape is that the coiled circular edge of the trimmed and punched material plate is pressed into a plurality of U-shaped interphase corrugated shapes; and the step of the squeezing the rivet for connecting and molding is that the material plate obtained after the last step is used for the rivet squeezing and connection with the corrugated coiled circular edges by a special rivet squeezing tool. The processing method of the invention increases the material strength of the coiled circular edge due to the step of coiling the circular edge into the U shape and avoids the quality defect caused by easy oxidization of welded surfaces and welding variation of tolerance due to the step of squeezing the rivet for connecting and molding, thereby increasing the strength, reducing the deformation and prolonging the service life of a product.
Description
Technical field
The present invention relates to a kind of manufacture method of vehicle seat parts, particularly a kind of processing method of lower base plate of vehicle seat back.
Background technology
Automotive seat is constituted by inner skeleton and outside clad, and its comfortableness, fastness and service life depend primarily on the structure of inner skeleton, comprises structure and the annexation of forming each parts of inner skeleton.Lower base plate of vehicle seat back wherein is arranged on the transverse slat of backrest bottom, plays the effect of the active force of supporting chair bottom strength and transmission backrest regulating shaft.Owing to above reason, the vibration that adding gets on the car under steam produces and rocking requires lower base plate of vehicle seat back to have higher compression tensile strength.But, the process of the lower base plate of vehicle seat back of prior art comprise cut material, preformed, edge-cutting and hole-punching, the whole U of one-tenth type, side blow hole, volume circle, shaping, towards hole flanging, die mould, punching be connected step such as moulding, this method is the technology that adopts coiled round edge and body welding fabrication when connecting moulding, and its shortcoming is prone to the insufficient strength of distortion and coiled round edge when being the coiled round edge welding; Because easy oxidation of solder side and the variation of welding tolerance can cause mass defect, influence the life-span of product in addition.
Summary of the invention
Purpose of the present invention is to provide a kind of and can gains in strength, reduce distortion, the processing method that prolongs the lower base plate of vehicle seat back of life of product.
The object of the present invention is achieved like this: a kind of processing method of lower base plate of vehicle seat back, comprise cut material, preformed, edge-cutting and hole-punching, the whole U of one-tenth type, side blow hole, volume circle, shaping, towards hole flanging, die mould, punching be connected forming step, be characterized in: this method also is provided with a coiled round edge and becomes U type step between edge-cutting and hole-punching and the whole U of one-tenth type step, this step is that the flitch coiled round edge through edge-cutting and hole-punching is put into in the U pattern tool, with forcing press coiled round edge is pressed into the alternate corrugation shape of a plurality of U types; Described connection forming step adopts the connection moulding that presses, and is about to coiled round edge that the rapid gained flitch of previous step will be pressed into the corrugation shape with the frock that presses of special use and presses with the body flitch and be connected, and finishes the processing of lower base plate of vehicle seat back.
The U type height that described coiled round edge becomes U type step to extrude comprises the thick 3.2 ± 0.5mm of being of material.
Described U type is wide at the top and narrow at the bottom trapezoidal.
The processing method of lower base plate of vehicle seat back of the present invention has been strengthened the strength of materials of coiled round edge owing to adopted coiled round edge to become U type step; Owing to adopted the connection forming step that presses, stopped can gain in strength because of the easy oxidation of the solder side mass defect that variation causes with the welding tolerance, reduce distortion, the life-span of prolongation product.The present invention has reduced technology road preface on the whole, has reduced processing cost, guaranteed product quality, has improved the easily just property of accordance that part installs and replacing.
Description of drawings
Fig. 1 is the overall structure schematic diagram that adopts the lower base plate of vehicle seat back that processing method of the present invention is processed into;
Fig. 2 is A-A sectional structure (amplification) schematic diagram of Fig. 1.
The specific embodiment
Cooperation is referring to Fig. 1, Fig. 2, and the processing method of lower base plate of vehicle seat back of the present invention is at first dull and stereotyped raw material to be cut into the flitch of setting size with plate shearing machine.Then above-mentioned flitch is put into preforming tool, stamp out the core texture shape of lower shoe with hydraulic press at the flitch middle part.Then above-mentioned preformed board is put into the edge-cutting and hole-punching mould, cut out peripheral shape and go out 9 installation connecting holes with forcing press, Yi Bian wherein cut out the brace of two protrusions in the position of setting.In the edge-cutting and hole-punching step, guarantee position, 9 holes and pitch-row size (3-Φ 6.5
+ 0.2 + 0.1) specification requirement, satisfy hole burr≤0.2mm.To put into in the U pattern tool through the flitch coiled round edge of edge-cutting and hole-punching, and with forcing press coiled round edge will be pressed into the alternate corrugation shape of a plurality of U types, the U type height that this step extrudes comprises the thick 3.2 ± 0.5mm of being of material, and this U type is wide at the top and narrow at the bottom trapezoidal.Then above-mentioned flitch is put into the whole U of one-tenth pattern tool, the whole writing that surpasses all the others of flitch is become U type structure with hydraulic press.Become in the U type process in integral body, make the workpiece special-shaped surfaces zero defect of formation, place, R angle is flawless after the moulding, and technology must satisfy the requirement of 66mm 〉=the widest part≤68.5mm.Again gained U moulding mixture plate is put into the side blow punch die, go out 5 with forcing press on U moulding mixture plate bottom side connecting hole is installed, the side blow hole must be satisfied
And the specification requirement of 66mm 〉=the widest part≤68.5mm.To put into volume circle mould through the U moulding mixture plate in side blow hole then, with forcing press with the further convolution of coiled round edge of U moulding mixture plate to body near (control spacing≤7.5mm) circular.Again the gained flitch is put into shaping mould, further dwindle gap between crimping and the flitch body (control spacing≤3mm) with forcing press.Joint puts into above-mentioned circular flitch towards the hole flanging mould, respectively dashes on the top at two ends with hydraulic press and routs up an installation connecting hole; Then above-mentioned gained flitch is put into casted die mould, with the further compression moulding of forcing press; Again the gained flitch is put into punching die, on the brace of two protrusions, respectively go out one with forcing press connecting hole is installed; The coiled round edge that above-mentioned gained flitch will be pressed into the corrugation shape with the special-purpose frock that presses presses with the body flitch and is connected at last, promptly finish the processing of lower base plate of vehicle seat back, press connect to satisfy every process requirement, satisfy tension 1900-2200N, the test stone requirement of shearing resistance 2500-2800N.
Shown in Fig. 1, Fig. 2,1 is the flitch body, and 2 is the brace of two protrusions, and 3 is coiled round edge, and 4 is the U type structure on the coiled round edge.
Claims (3)
1. the processing method of a lower base plate of vehicle seat back, comprise cut material, preformed, edge-cutting and hole-punching, the whole U of one-tenth type, side blow hole, volume circle, shaping, towards hole flanging, die mould, punching be connected forming step, it is characterized in that: this method also is provided with a coiled round edge and becomes U type step between edge-cutting and hole-punching and the whole U of one-tenth type step, this step is that the flitch coiled round edge through edge-cutting and hole-punching is put into in the U pattern tool, with forcing press coiled round edge is pressed into the alternate corrugation shape of a plurality of U types; Described connection forming step adopts the connection moulding that presses, and is about to coiled round edge that the rapid gained flitch of previous step will be pressed into the corrugation shape with the frock that presses of special use and presses with the body flitch and be connected, and finishes the processing of lower base plate of vehicle seat back.
2. the processing method of lower base plate of vehicle seat back according to claim 1 is characterized in that: the U type height that described coiled round edge becomes U type step to extrude comprises the thick 3.2 ± 0.5mm of being of material.
3. the processing method of lower base plate of vehicle seat back according to claim 1 is characterized in that: described coiled round edge U type is wide at the top and narrow at the bottom trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102076264A CN101758366B (en) | 2008-12-23 | 2008-12-23 | Processing method of lower base plate of vehicle seat back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102076264A CN101758366B (en) | 2008-12-23 | 2008-12-23 | Processing method of lower base plate of vehicle seat back |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101758366A CN101758366A (en) | 2010-06-30 |
| CN101758366B true CN101758366B (en) | 2011-04-27 |
Family
ID=42489834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102076264A Expired - Fee Related CN101758366B (en) | 2008-12-23 | 2008-12-23 | Processing method of lower base plate of vehicle seat back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101758366B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723043B (en) * | 2015-04-14 | 2017-01-25 | 青岛鸿森重工股份有限公司 | Manufacturing technological process for fan supporting plate |
| CN105710616B (en) * | 2016-05-03 | 2017-09-22 | 李志联 | The stretch process method of fixed seat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050998A (en) * | 1989-10-16 | 1991-05-01 | 天津市自行车闸厂 | The lock power method of processing parts of caliper brake for bicycle |
| US20020149253A1 (en) * | 2001-04-14 | 2002-10-17 | Macdonald Glen | Novel seating apparatus |
| KR100721303B1 (en) * | 2006-04-06 | 2007-05-23 | 장준수 | Car seat headrest fall guide fixing pipe manufacture method |
| CN201077402Y (en) * | 2007-07-16 | 2008-06-25 | 杭州市汽车内饰件有限公司 | Device for pushing waist of seat back used for automobile |
-
2008
- 2008-12-23 CN CN2008102076264A patent/CN101758366B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050998A (en) * | 1989-10-16 | 1991-05-01 | 天津市自行车闸厂 | The lock power method of processing parts of caliper brake for bicycle |
| US20020149253A1 (en) * | 2001-04-14 | 2002-10-17 | Macdonald Glen | Novel seating apparatus |
| KR100721303B1 (en) * | 2006-04-06 | 2007-05-23 | 장준수 | Car seat headrest fall guide fixing pipe manufacture method |
| CN201077402Y (en) * | 2007-07-16 | 2008-06-25 | 杭州市汽车内饰件有限公司 | Device for pushing waist of seat back used for automobile |
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| Publication number | Publication date |
|---|---|
| CN101758366A (en) | 2010-06-30 |
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Granted publication date: 20110427 Termination date: 20151223 |
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| EXPY | Termination of patent right or utility model |