CN1068811C - Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach - Google Patents
Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach Download PDFInfo
- Publication number
- CN1068811C CN1068811C CN98110730A CN98110730A CN1068811C CN 1068811 C CN1068811 C CN 1068811C CN 98110730 A CN98110730 A CN 98110730A CN 98110730 A CN98110730 A CN 98110730A CN 1068811 C CN1068811 C CN 1068811C
- Authority
- CN
- China
- Prior art keywords
- top crossbeam
- wedge
- hole
- mold
- declivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a method and a device thereof for manufacturing the assemblies of upper transverse arms and lower transverse arms for the suspension racks of the front bridges of minibuses. In the manufacturing method of the present invention, high-quality cold-rolled steel plates whose extensibility is from 40 to 45% are used as a material, and the assemblies of upper transverse arms and lower transverse arms are manufactured by blanking, shaping, flanging, punching by using a porous mold of a wedge, welding and boring, wherein the special porous mold of a wedge comprises an upper mold seat and a lower mold seat; 2 to 3 upper wedge blocks are vertically fixed under the upper mold seat, low wedge slide blocks which have the corresponding quantity to the upper wedge blocks and are respectively aligned with the upper wedge blocks are arranged on the lower mold seat, and the low wedge slide blocks can slide and horizontally move; punching convex molds are horizontally inserted in the upper wedge blocks, and groove seats positioned on the lower mold seat are respectively opposite to each punching mold; each mold embedding sleeve aligned with each punching convex mold is horizontally inserted in the groove seat; consequently, multiple holes can be punched in one step. The present invention is used for stably producing the assemblies of upper transverse arms and lower transverse arms in batch.
Description
The present invention relates to a kind of manufacture method of minibus front axle suspension Top Crossbeam assembly and used mould thereof.
In the prior art, the minibus propons, the propons of Shenyang sea lion board 6480A minibus for example, its upper and lower transverse arm element shapes complexity needs drawing and carries out punching, also need weld combination at last.The Top Crossbeam assembly has three coaxial Φ 57, Φ 55 and Φ 46 flange holes, and the lower cross arm assembly also has two coaxial Φ 43 and Φ 44.5 flange holes, and desired axiality is higher.Many manufacturers are improper because of selection, occur tearing when drawing and piercing and flanging.And because manufacturing process is improper, causes coaxial hole can not guarantee its axiality, thereby can not guarantee product quality, can not stably produce in batches.
One object of the present invention is exactly the manufacture method that a kind of minibus front axle suspension Top Crossbeam assembly will be provided, and can guarantee that by this method the axiality of coaxial aperture in the lower cross arm assembly also can stably be produced in batches.
Another object of the present invention provides a kind of mould that is used to make minibus front axle suspension Top Crossbeam assembly.
For achieving the above object, according to an aspect of the present invention, the selection of material percentage elongation is the high-quality cold-rolled steel sheet of 40-45%, make earlier Top Crossbeam body and Top Crossbeam lid respectively, then both are welded together and weld the upright arm of two Top Crossbeams, carrying out bore hole after the cooling fully again, boring becomes three coaxial diameters to be respectively 57,55 and the main aperture of 46mm, thereby makes the Top Crossbeam assembly; Wherein: the manufacturing step of described Top Crossbeam body is: 1. blanking and go out the shaping locating hole; 2. press forming; 3. the processing of cutting edge, the finishing irregular outside that the back produces that is shaped; 4. its outer edges place carries out flange; 5. go out the punching locating hole in the bottom; 6. with wedge multi-hole position mould three coaxial diameters that will finally be processed into be respectively 57,55 and its corresponding processing technology hole is once gone out in the corresponding position of 46mm main aperture, two diameters being positioned at the side are hole and two holes that diameter is 11.5mm that the hole of 13mm and two diameters that are positioned at the bottom are 19mm; 7. carry out flange at place, above-mentioned processing technology hole; 8. burn-on successively again nut, Top Crossbeam liner plate and Top Crossbeam traversed by pipe.
According to another aspect of the present invention, the wedge multi-hole position mould that is used to make the Top Crossbeam assembly comprises upper bolster and die shoe, the a plurality of tapered wedges of going up of the lower surface vertical fixing of upper bolster, the upper surface of die shoe be provided with corresponding number and respectively with described on the declivity slider wedge aimed at one by one of tapered wedges, described declivity slider wedge can be with respect to the die shoe translation gliding, piercing punch of each described declivity slider wedge level plant, be fixed with die socket on the die shoe, level is plugged with the die edge cover of aiming at piercing punch on each die socket.
According to a further aspect of the invention, each declivity slider wedge of described wedge multi-hole position mould is provided with back-moving spring, is overlapping one on each piercing punch and is taking off the material rubber ring and overlapping one slidably and taking off material circle.
According to a further aspect of the invention, the declivity slider wedge is provided with "T"-shaped or the swallow-tail form root, and with die shoe on corresponding groove be slidingly matched.
Because it is material that the present invention adopts the bigger high-quality cold-rolled steel sheet of percentage elongation, is suitable for making complex-shaped cold-stamped part, and phenomenon can not occurs tearing, cold rolling back product surface produces the flow harden layer, helps improving the intensity of product; And, can disposablely go out a plurality of coaxial apertures, and make it have higher axiality owing to adopt wedge multi-hole position mould to carry out punching; After the hitting of welding sequence, carry out bore hole again, thereby can eliminate because of welding the axiality off-gage phenomenon of caused coaxial aperture.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Fig. 1 is the structural representation of wedge multi-hole position mould of the present invention;
Fig. 2 is the structural representation of minibus front axle suspension Top Crossbeam assembly;
Fig. 3 is the cutaway view of Top Crossbeam assembly shown in Figure 2 along A-O-O-A;
Fig. 4 is the structural representation of minibus front axle suspension lower cross arm assembly.
Shown in Fig. 2 and 3, minibus front axle suspension Top Crossbeam assembly of the present invention comprises Top Crossbeam body 27, Top Crossbeam lid 23 and the upright arm 28 of Top Crossbeam.In the lower cross arm assembly manufacturing process, the employing trade mark is that the high-quality cold-rolled steel sheet of ST14 is a material on minibus front axle suspension of the present invention, and its percentage elongation reaches 44%.And make Top Crossbeam body 27 through following steps: 1. blanking and go out the hole (not shown) of two Φ 10; 2. be shaped; 3. the processing of cutting edge, the finishing irregular outside that the back produces that is shaped; 4. flangikng is that is: along the vertical edge of side camber 10mm height; 5. towards the hole of bottom Φ 20; 6. with wedge multi-hole position mould Φ 57, the Φ 55 that will finally be processed into and the corresponding position in Φ 46 holes once go out its corresponding processing technology hole, simultaneously towards 2-Φ 13 holes, side and bottom 2-Φ 19 and 2-Φ 11.5 hole (not shown)s; 7. the corresponding processing technology of Φ 57, Φ 55 and the Φ 46 holes hole place that will finally be processed into carry out flange, its flange aperture is respectively Φ 56, Φ 54 and Φ 45; 8. burn-on the successively more horizontal arm 24 of nut 26, Top Crossbeam liner plate 25 and Top Crossbeam of M12 * 1.5.
And Top Crossbeam lid 23 is made through following steps: 1. blanking and go out the hole of two Φ 10.5 and Φ 12 so that location when being shaped; 2. be shaped; 3. towards the hole of 2-Φ 11.5.
The above-mentioned Top Crossbeam body 27 that makes and Top Crossbeam lid 23 welded together and weld the upright arm 28 of two Top Crossbeams, again after cooling off fully, to three hole Φ 56, the Φ 54 of flange and Φ 45 on boring machine once clamping carry out bore hole, the caused three hole axiality off-gage phenomenons of welding are eliminated in the hole of being processed into Φ 57, Φ 55 and Φ 46, thereby make the Top Crossbeam assembly.
Fig. 1 shows the wedge multi-hole position mould that is used for Top Crossbeam assembly manufacture method of the present invention, it comprises upper bolster 1 and die shoe 8, three of the lower surface vertical fixing of upper bolster go up tapered wedges 2,3,4, the upper surface of die shoe be provided with corresponding number and respectively with described on tapered wedges 2,3, the 4 declivity slider wedges of aiming at one by one 19,15,9, described declivity slider wedge 19,15,9 can be with respect to the die shoe translation gliding, piercing punch 20 of each described declivity slider wedge level plant, 16,7, be fixed with die socket 17 on the die shoe, 12, level is plugged with the die edge cover of aiming at piercing punch 18 on each die socket, 11,10.Each declivity slider wedge is provided with the back-moving spring (not shown), is overlapping one on each piercing punch and is taking off material rubber ring 21,14,6, and overlapping one respectively slidably and take off material circle 22,13,5 outside each takes off the material rubber ring.Like this, after punching, the declivity slider wedge can automatically reset and take off material.The respective grooves that the declivity slider wedge can design on "T"-shaped or swallow-tail form root and the die shoe is slidingly matched.Also can increase the piercing punch and the die socket quantity of this mould, finish 2-Φ 19 holes, bottom surface, 2-Φ 11.5 holes and the side 2-Φ 13 hole (not shown)s of Top Crossbeam body simultaneously.
Fig. 3 shows the structure of lower cross arm assembly, manufacture method and processing step that can similar above-mentioned Top Crossbeam assembly be made, and have two coaxial hole Φ 43, Φ 44 once to go out with the wedge multi-hole position mould with two tapered wedges and two declivity slider wedges on it.
Claims (5)
1. the manufacture method of a minibus front axle suspension Top Crossbeam assembly, described Top Crossbeam assembly, comprise Top Crossbeam body (27), the upright arm (28) of Top Crossbeam lid (23) and Top Crossbeam, described Top Crossbeam body (27) comprises that three coaxial diameters are respectively 57,55 and the main aperture of 46mm, the hole that two diameters that are positioned at the side are 13mm and two diameters that are positioned at the bottom be 19mm hole and two holes that diameter is 11.5mm, it is characterized in that: the selection of material percentage elongation is the high-quality cold-rolled steel sheet of 40-45%, make earlier Top Crossbeam body (27) and Top Crossbeam lid (23) respectively, then both are welded together and weld the upright arm (28) of described Top Crossbeam, carrying out bore hole after the cooling fully again, boring becomes above-mentioned three coaxial diameters to be respectively 57,55 and the main aperture of 46mm, thus the Top Crossbeam assembly made; Wherein:
The manufacturing step of described Top Crossbeam body (27) is: 1. blanking and go out the shaping locating hole; 2. press forming; 3. the processing of cutting edge, the finishing irregular outside that the back produces that is shaped; 4. its outer edges place carries out flange; 5. go out the punching locating hole in the bottom; 3. with wedge multi-hole position mould three coaxial craspedodromes will finally being processed into be respectively 57,55 and its corresponding processing technology hole is once gone out in the corresponding position of 46mm main aperture, two diameters being positioned at the side are hole and two holes that diameter is 11.5mm that the hole of 13mm and two diameters that are positioned at the bottom are 19mm; 7. carry out flange at place, above-mentioned processing technology hole; 8. burn-on successively again nut (26), Top Crossbeam liner plate (25) and the horizontal arm of Top Crossbeam (24).
2. method according to claim 1 is characterized in that: described high-quality cold-rolled steel sheet is a ST14 high-quality cold-rolled steel sheet.
3. wedge multi-hole position mould that is used for the described Top Crossbeam assembly manufacture method of claim 1, comprise upper bolster (1) and die shoe (8), it is characterized in that: a plurality of tapered wedges (2,3,4) of going up of the lower surface vertical fixing of upper bolster, the upper surface of die shoe be provided with corresponding number and respectively with described on the declivity slider wedge (19,15,9) aimed at one by one of tapered wedges (2,3,4), described declivity slider wedge (19,15,9).Can be with respect to the die shoe translation gliding, each described declivity slider wedge level plant piercing punch (20,16,7), be fixed with die socket (17,12) on the die shoe, level is plugged with the die edge cover of aiming at piercing punch (18,11,10) on each die socket.
4. wedge multi-hole position mould according to claim 3, it is characterized in that: each declivity slider wedge is provided with back-moving spring, overlapping one on each piercing punch and taking off material rubber ring (21,14,6), and overlapping one respectively slidably and take off material circle (22,13,5) in each described material rubber ring outside of taking off.
5. according to claim 3 or 4 described wedge multi-hole position moulds, it is characterized in that: the declivity slider wedge is provided with "T"-shaped or the swallow-tail form root, and with die shoe on corresponding groove be slidingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98110730A CN1068811C (en) | 1998-03-26 | 1998-03-26 | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98110730A CN1068811C (en) | 1998-03-26 | 1998-03-26 | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1205261A CN1205261A (en) | 1999-01-20 |
| CN1068811C true CN1068811C (en) | 2001-07-25 |
Family
ID=5220754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98110730A Expired - Fee Related CN1068811C (en) | 1998-03-26 | 1998-03-26 | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068811C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101653808B (en) * | 2009-04-24 | 2011-05-11 | 天津汽车模具股份有限公司 | Tension spring type steel plate locating device for automobile steel plate drawing mould |
| CN101837401A (en) * | 2010-05-19 | 2010-09-22 | 昆山市三众模具制造有限公司 | Automobile door bumper die cutting die |
| CN103434356B (en) * | 2013-09-03 | 2016-06-08 | 苏州巴吉赛车科技有限公司 | A kind of steel plate type front upper cantilever |
| CN105195620B (en) * | 2015-10-23 | 2017-05-17 | 无锡微研精密冲压件股份有限公司 | Side surface bonding double-side burring die |
| CN108772469A (en) * | 2018-05-08 | 2018-11-09 | 凌云工业股份有限公司 | A kind of combined-machining equipment for holder cropping punching |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081942A (en) * | 1993-07-18 | 1994-02-16 | 丹东汽车工具厂 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
| US5561902A (en) * | 1994-09-28 | 1996-10-08 | Cosma International Inc. | Method of manufacturing a ladder frame assembly for a motor vehicle |
-
1998
- 1998-03-26 CN CN98110730A patent/CN1068811C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081942A (en) * | 1993-07-18 | 1994-02-16 | 丹东汽车工具厂 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
| US5561902A (en) * | 1994-09-28 | 1996-10-08 | Cosma International Inc. | Method of manufacturing a ladder frame assembly for a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1205261A (en) | 1999-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106670306B (en) | A kind of progressive die integration automatic fixture of nutplate part | |
| CN107008807A (en) | Apron plate support multistation progressive die | |
| CN1068811C (en) | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach | |
| CN110695303B (en) | Cold heading forming process and cold heading module of diamond spot welding nut | |
| CN201455087U (en) | Punching die of support seat | |
| CN111570600A (en) | Manufacturing process method of aluminum alloy stamping die surface | |
| CN107052188B (en) | A kind of mold of crossbeam manufacturing process | |
| CN109733139B (en) | Welding structure of rocker front sleeve and processing technology thereof | |
| CN209756682U (en) | rocker arm front sleeve welding structure and machining tool thereof | |
| CN113878006B (en) | Sheet covering piece reinforcing rib forming die and forming method | |
| CN211679556U (en) | Punching die structure for preventing punching from jumping and/or blocking | |
| CN114393108A (en) | Connecting piece sheet metal process and process system thereof | |
| CN206588215U (en) | A kind of knee lower carriage stamping system | |
| CN216705832U (en) | Novel cold heading shaping of welding hexagonal flange face nut device | |
| JPS628252B2 (en) | ||
| CN220127379U (en) | Stress release pulling and male die structure | |
| CN113976723B (en) | Mold for producing and processing automobile parts and preparation process thereof | |
| CN206382413U (en) | A kind of 4 wheel driven stamping system | |
| CN214683839U (en) | Stamping device of automobile shock absorber ware support | |
| CN216175740U (en) | Continuous stamping die for internal sliding skylight panel assembly | |
| CN216758118U (en) | Punch forming die for titanium alloy section | |
| KR100473635B1 (en) | Method for manufacturing vessel which has flange and the bottom of different tickness | |
| CN214161042U (en) | Trimming and stripping die for automobile forged steel steering knuckle | |
| CN111531004B (en) | Hole flanging die capable of inhibiting cracking and hole flanging process | |
| CN216881392U (en) | Movable mould positioning guide pin structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| C10 | Entry into substantive examination | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010725 |