CN202079151U - Automobile plate-spring supporting-seat edge-cutting mould - Google Patents
Automobile plate-spring supporting-seat edge-cutting mould Download PDFInfo
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- CN202079151U CN202079151U CN2011200995312U CN201120099531U CN202079151U CN 202079151 U CN202079151 U CN 202079151U CN 2011200995312 U CN2011200995312 U CN 2011200995312U CN 201120099531 U CN201120099531 U CN 201120099531U CN 202079151 U CN202079151 U CN 202079151U
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Abstract
The utility model belongs to the field of machining and relates to an automobile plate-spring supporting-seat edge-cutting mould. The upper part of the mould comprises an edge-cutting concave mould (5), a baffle plate (18) and an upper-mould fixing plate (20); the lower part of the mould comprises a lower positioning plate (12), a positioning plate (16), an edge-cutting convex mould (17) and lateral positioning plates (24), wherein the edge-cutting concave mould (5) is connected with the upper-mould fixing plate (20); the baffle plate (18) is connected with the upper-mould fixing plate (20); the lateral positioning plates (24) are connected with the lateral edges of the positioning plate (16), and a supporting seat (11) of an elastic positioning device of the mould is installed on a lower template (13) through bolts; and the elastic positioning device and the baffle plate (18) of the mould are positioned at the horizontal positions at both ends of the positioning plate (16), and the elastic positioning device, the baffle plate (18) and the positioning plate (16) are formed into a transverse positioning device. The accurate positioning of a product when edges are cut is ensured through the self-provided elastic and rigid positioning devices of the mould, thus, not only can the consistency and the stability of the gap-guiding angles, the edge-cutting heights and the symmetry degree on both edges of a workpiece be ensured, but also the production capacity can be improved, and the production cost can be lowered.
Description
Technical field
The utility model belongs to field of machining, relates to a kind of leaf springs of car bearing shaving die.
Background technology
The rear axle housing assembly front end is to subtract assembly by the master to be connected with power transmission shaft, and the rear end is by spring carrying block assembly and leaf springs of car or helical spring, is connected with vehicle frame.It directly influences ride comfort, trafficability characteristic, reliability in bonding strength and the running car.The guiding angle of spring carrying block, symmetry are had relatively high expectations, and are to adopt by traditional technology: blanking-blanking-cut-remove the cutting welding slag towards the curved bent – plasma of hole – reaches the product design requirement.Although adopt meticulous CUT to cut the both sides breach, but because meticulous CUT machining accuracy is ± 1.2mm, the uniformity of workpiece is difficult to guarantee like this, both sides breach guiding angle also is difficult to guarantee in addition, the symmetry of both sides breach and intermediate altitude all are difficult to reach requirement, and the processing cost height.Therefore, there is risk in the quality of product always.By a kind of new shaving die of design and trimming technology, guarantee product quality uniformity, stability like this, just seem very necessary.
The utility model content
One of the purpose of this utility model provides a kind of leaf springs of car bearing shaving die.This shaving die is installed on the forcing press leaf springs of car bearing is cut edge.
Two of the purpose of this utility model is to have designed the described a kind of leaf springs of car bearing shaving die of a kind of use to cut edge, to substitute the leaf springs of car bearing trimming technology of traditional plasma cutting.
One of the purpose of this utility model is achieved in that
Mould is a locate mode of taking elasticity and two kinds of positioners of rigidity, has well eliminated the error that the plasma cutting produces because of machining accuracy.Spring carrying block edger mould structure is shown in " Fig. 1 and Fig. 2 ": it comprises die shank, cope match-plate pattern, upper die plate, the discharging spring, trim die, dnockout piece, bearing, following location-plate, lower bolster, bottom plate, school mould pin, location-plate, the side cut punch, baffle plate, guide pillar, upper mould fixed plate, guide pin bushing, side location-plate; The solid shaped cavity interference fit of trim die and upper mould fixed plate, and side connects by bolt; The cooperation of dnockout block gap is placed in the trim die inner chamber, and the dnockout piece is provided with boss; The precommpression of discharging spring is installed in the dumping pit of upper die plate, and discharging spring below is connected with the dnockout piece; Baffle plate is connected with upper mould fixed plate, and upper mould fixed plate is connected with upper die plate, and upper die plate is connected with cope match-plate pattern, and die shank, guide pin bushing are fixedlyed connected with cope match-plate pattern respectively;
The side cut punch is installed on the location-plate by bolt and school mould pin, the side location-plate is connected with the location-plate side, location-plate is installed on the bottom plate, following location-plate is installed on the bottom plate side, bottom plate is installed on the lower bolster, guide pillar is fixed on the lower bolster, and be inserted in the guide pin bushing at the top of guide pillar;
The bearing of the elastic positioning device of mould is installed on the lower bolster by bolt; The elastic positioning device of mould and baffle plate are on the both ends horizontal position of location-plate, and the three forms horizontal positioning device.
The pressure head of the elastic positioning device of mould is connected with the depression bar matched in clearance by screw, and the precommpression of binder spring is installed in the pressure head inner chamber, and depression bar is connected with bearing by rotating shaft, and spanner is installed in the rotating shaft by bolt.
The single face gap 0.50-0.52mm of side cut punch and trim die 5.
The side cut cutting edge of side cut punch is provided with 2.5 ° gradient.
Be equipped with the location square groove of a correspondence on side cut punch and the location-plate.
Be connected by bolt between the mistake proofing groove of following location-plate and the tongue of bottom plate side.
Two of the purpose of this utility model is achieved in that
The 1st step: described shaving die is installed on the forcing press;
The 2nd step: be placed on the side cut punch workpiece of spring carrying block prefabricated behind the bending operation and the location-plate right side, forward and backward two side location-plates are had good positioning before and after the workpiece; With former preparation and cut that a workpiece of stepping down breach is placed on the side cut punch and the location-plate left side, following location-plate is to the breach location of stepping down of workpiece again, and forward and backward two side location-plates are had good positioning before and after the workpiece; Rotate the both sides spanner then, make pressure head compress the workpiece on both sides;
The 3rd step: start forcing press, cope match-plate pattern moves downwards with the lathe upper table, baffle plate elder generation workpiece pressing, the workpiece rigidity is located, trim die 5 moves downward and the punch of cutting edge is finished once and to be cut edge then, and at this moment Zuo Ce workpiece machines, and the workpiece on right side only cuts one side breach;
The 4th step: rotate the both sides spanner, pressure head and workpiece are separated, the side cut waste material of the dnockout piece being laid with aid is removed again;
The 5th step: take out the workpiece that only cuts one side breach on edger right side, and be placed on side cut punch and the location-plate left side, again the next one is not placed on side cut punch and the location-plate right side through the workpiece of cutting edge, carry out order processing according to step 2 to step 4.
Of the present utility modelly carry the accurate positioning when guaranteeing that product is cut edge of elasticity and rigidity positioner, so not only can guarantee workpiece both sides breach guiding angle, cut edge highly and uniformity, the stability of symmetry, and can strengthen production capacity, reduce production costs.
Description of drawings
Fig. 1, the utility model embodiment spring carrying block edger mould structure front view.
Fig. 2, the utility model embodiment spring carrying block edger mould structure vertical view.
Fig. 3, the utility model embodiment spring carrying block edger side cut punch schematic diagram.
Fig. 4, the utility model embodiment spring carrying block edger side cut punch side sectional structure schematic diagram.
Fig. 5, the utility model embodiment spring carrying block edger bottom plate schematic diagram.
Fig. 6, the utility model embodiment spring carrying block edger trim die schematic diagram.
Fig. 7, the utility model embodiment spring carrying block edger baffle plate schematic diagram.
Location-plate sectional structure schematic diagram under Fig. 8, the utility model embodiment spring carrying block edger.
Among the figure: die shank 1, cope match-plate pattern 2, upper die plate 3, discharging spring 4, trim die 5, dnockout piece 6, screw 7, depression bar 8, binder spring 9, pressure head 10, bearing 11, following location-plate 12, lower bolster 13, bottom plate 14, school mould pin 15, location-plate 16, side cut punch 17, baffle plate 18, guide pillar 19, upper mould fixed plate 20, guide pin bushing 21, rotating shaft 22, spanner 23, side location-plate 24, workpiece 25.
The specific embodiment
The utility model can specifically be implemented by the technology that illustrates in the utility model content, and by can further describing the utility model the following examples, yet scope of the present utility model is not limited to following embodiment.
Embodiment 1: with the spring carrying block on the rear axle assy of the processing FZ6700 of our company middle bus is example:
FZ6700 middle bus spring carrying block shaving die is a locate mode of taking elasticity and two kinds of positioners of rigidity, has well eliminated the error that meticulous plasma cutting produces because of machining accuracy.Spring carrying block edger mould structure is shown in " Fig. 1 ": die shank 1, cope match-plate pattern 2, upper die plate 3, discharging spring 4, trim die 5, dnockout piece 6, screw 7, depression bar 8, binder spring 9, pressure head 10, bearing 11, following location-plate 12, lower bolster 13, bottom plate 14, school mould pin 15, location-plate 16, side cut punch 17, baffle plate 18, guide pillar 19, upper mould fixed plate 20, guide pin bushing 21, rotating shaft 22, spanner 23, side location-plate 24.The first half structural relation of mould is: trim die 5 interference fit are squeezed in the solid shaped cavity of upper mould fixed plate 20 and by the side bolt and are installed, dnockout piece 6 matched in clearance (monolateral gap 0.35mm) are placed in trim die 5 inner chambers, and prevent that by the boss that dnockout piece 6 back sides exceed dnockout piece 6 from dropping out from trim die 5 inner chambers, 4 precommpression of discharging spring are installed in the dumping pit of upper die plate 3, baffle plate 18 is installed in by the side bolt in the solid shaped cavity of upper mould fixed plate 20 and (guarantees that the gap between baffle plate (18) and the location-plate (16) is 6.1mm), upper mould fixed plate 20 is installed on the upper die plate 3 by bolt and alignment pin, upper die plate 3 is installed on the cope match-plate pattern 2 by bolt and alignment pin, die shank 1, guide pin bushing 21 interference fit are squeezed into and are fixed on the cope match-plate pattern 2.The latter half structural relation of mould is: side cut punch 17 is installed on the location-plate 16 by bolt and school mould pin 15 and (guarantees the square groove magnitude of interference 0.01-0.02mm on school mould pin 15 and the side cut punch 17), side location-plate 24 is installed on location-plate 16 sides by bolt, location-plate 16 is installed on the bottom plate 14 by bolt and alignment pin, following location-plate 12 is installed in (monolateral gap 0.05-0.08mm between the groove under guaranteeing on the location-plate 12 and the tongue of bottom plate 14 sides) on bottom plate 14 sides by mistake proofing groove and bolt, bottom plate 14 is installed on the lower bolster 13 by bolt and alignment pin, and guide pillar 19 interference fit are squeezed into and are fixed on the lower bolster 13.The elastic positioning device structural relation of mould is: pressure head 10 is connected (monolateral gap 0.20mm) by screw 7 with depression bar 8 matched in clearance), 9 precommpression of binder spring are installed in pressure head 10 inner chambers, depression bar 8 is connected with bearing 11 by rotating shaft 22, spanner 23 is installed in the rotating shaft 22 by bolt, and bearing 11 is installed on the lower bolster 13 by bolt.When assemble the upper and lower part of above-mentioned mould, need to guarantee the single face gap 0.50-0.52mm of side cut punch 17 and trim die 5.
At first, design cut edge blade shape and size protruding, die.In order to make mould stressed evenly, thereby improve die life protruding, die design both sides symmetry that FZ6700 middle bus spring carrying block is cut edge.Easy to assembly for mould, specially on side cut punch (17) and location-plate (16), all design a 20mmX14mm location square groove, both sides symmetry when using school mould pin (15) to guarantee to cut edge punch (17) and location-plate (16) assembling then.Then, determine that side cut is protruding, the mold materials and the heat treatment mode of die.FZ6700 middle bus spring carrying block side cut mold materials protruding, die is chosen high chromium mould steel Cr12MoV according to standard wear-resisting, that quenching degree good, heat treatment deformation is little.According to selected mold materials Cr12MoV characteristics, determine heat treatment mode: 980 ℃ of quenchings of low temperature, oil cooling, 180 ℃ of tempering 2 hours, hardness reaches HRC60-62.Next, the side cut of FZ6700 middle bus spring carrying block is protruding, die lubricating oil is selected for use: efficient extreme pressure cutting oil.Determine the location and the discharge way of workpiece then.The shortest interior circular arc place of bending that is in owing to cut edge, position as directly product curved inner end face being close to location-plate (16), side cut punch (17) will be run into circular arc in the product bending like this, thereby makes the workpiece location inaccurate, so locate workpiece with the both sides spring-positioning device earlier.During again owing to side cut, product is subjected to an outside power effect, product is cut edge and will outwards be worn like this, so position and guarantee that with rigid mount location (being baffle plate 18) gap between baffle plate (18) and the location-plate (16) is 6.1mm again, so not only guaranteed product height 100-0.5mm but also can prevent that product from being extruded vestige by baffle plate (18).Position by four side location-plates (24) before and after the product.In order to guarantee the symmetry of product both sides breach, cut an end breach on mould the right earlier, location-plate (12) is reserved the breach that has just cut and is cut other end breach under using on the mould left side then, guarantees that product and the monolateral gap of following location-plate (12) they are 0.15mm.Product side cut waste material carries out discharging by dnockout piece (6), and the side cut product just is bonded on the side cut punch (17), and can make the crooked width of the product 2.0mm that diminishes, like this side cut punch (17) is designed to 2.5 ° of gradients, just solve discharging difficulty and product problem on deformation.
FZ6700 middle bus spring carrying block shaving die is installed on the steam-operating 100T forcing press by the mounting means of common stamping mould.
Also following technology before the trimming technology of FZ6700 middle bus spring carrying block:
0.12%～0.20%), thickness 6.0mm, stock layout mode, edge-lapped value determine blank size (1), blanking: according to the material of FZ6700 middle bus spring carrying block (trade mark: 16MnL, C content:; The table 2-13 " scrap (bridge) a and a1 numerical value " that looks in " Sheet Metal Forming Technology designs with mould " book that China Machine Press publishes determines edge-lapped value.
(2), blanking: analyze and calculate the trimming allowance that workpiece need adopt the side cut operation to reserve, and make the sheet material utilization rate maximize to determine the blanking size.
(3), punching: the reference for assembling according to workpiece product diagram technology requires goes out the product pilot hole with the perforating die punching out.
(4), bending: hole and a straight flange with product position, and bend product with bending die.
The trimming technology of FZ6700 middle bus spring carrying block:
The 1st step: FZ6700 middle bus spring carrying block shaving die is installed on the pneumatic 100T forcing press;
The 2nd step: FZ6700 middle bus spring carrying block prefabricated behind the bending operation is placed on side cut punch 17 and location-plate 16 right sides, forward and backward two side location-plates 24 are had good positioning before and after the workpiece, former preparation and the spring carrying block that cuts the breach of stepping down are placed on side cut punch 17 and location-plate 16 left sides, forward and backward two side location-plates 24 are had good positioning before and after the workpiece, rotate both sides spanner 23 then, make pressure head 10 compress the workpiece on both sides;
The 3rd step: start forcing press, FZ6700 middle bus spring carrying block side cut patrix moves downwards with the lathe upper table, carry the baffle plate 18 first workpiece pressings of rigidity positioner, prevent that workpiece from outwards wearing, trim die 5 moves downward then, side cut punch 17 is cut edge, and makes it be trimmed to following size: lengthwise dimension 118 ± 0.5mm, half long 59 ± 0.25mm, side cut intermediate altitude size 100-0.5mm, guiding angle 3 ° 30 ' ± 30 ';
The 4th step: rotate both sides spanner 23, pressure head 10 and workpiece are separated, the side cut waste material of dnockout piece 6 being laid with aid is removed again;
The 5th step: take out the workpiece (promptly only cutting the workpiece of breach on one side) on edger right side and be placed on side cut punch 17 and location-plate 16 left sides with aid, forward and backward two side location-plates 24 are had good positioning before and after the workpiece, following location-plate 12 is reserved the breach that cuts the limit, again FZ6700 middle bus spring carrying block prefabricated behind the bending operation is placed on side cut punch 17 and location-plate 16 right sides, forward and backward two side location-plates 24 are had good positioning before and after the workpiece, rotate both sides spanner 23 then, make pressure head 10 compress the workpiece on both sides;
The 6th step: start forcing press to the processing of cutting edge of FZ6700 middle bus spring carrying block, carry baffle plate 18 workpiece pressings of rigidity positioner, prevent that workpiece from outwards wearing, and make it be trimmed to following size: lengthwise dimension 118 ± 0.5mm, half long 59 ± 0.25mm, side cut intermediate altitude size 100-0.5mm, guiding angle 3 ° 30 ' ± 30 ', symmetry 0.5mm;
The 7th step: repeating step 4 is to the operation of step 6;
After spring carrying block on the FZ6700 middle bus steel plate seat assembly uses shaving die and technology, its length direction fitted position is stablized 118 ± 0.05mm, 59 ± 0.1mm, 3 ° 12 '-3 ° 40 of angle of guiding ' between, between the side cut intermediate altitude size 9.6-9.9mm, within the both ends of the surface symmetry 0.20mm, eliminated the slag that cuts that meticulous plasma cutting process produced simultaneously.The sustainable stable FZ6700 middle bus spring carrying block of guaranteeing reaches the product drawing requirement.
Spring carrying block production process on the FZ6700 middle bus steel plate seat assembly is reduced to 5 present roads by 6 original roads.Also promoted production capacity when improving the quality of products, single products split run production capacity increases to 2720 by 80, and the split run production capacity promotes 33 times.The meticulous plasma cutting process processing cost expense of single products is 11.64 yuan, and changing trimming technology processing cost expense into is 0.15 yuan, and single products processing cost expense has descended 77.5 times.
Claims (6)
1. leaf springs of car bearing shaving die, it comprises die shank (1), cope match-plate pattern (2), upper die plate (3), discharging spring (4), trim die (5), dnockout piece (6), bearing (11), following location-plate (12), lower bolster (13), bottom plate (14), school mould pin (15), location-plate (16), side cut punch (17), baffle plate (18), guide pillar (19), upper mould fixed plate (20), guide pin bushing (21), side location-plate (24), it is characterized in that: the solid shaped cavity interference fit of trim die (5) and upper mould fixed plate (20), and side connects by bolt; Dnockout piece (6) matched in clearance is placed in trim die (5) inner chamber, and dnockout piece (6) is provided with boss; Discharging spring (4) precommpression is installed in the dumping pit of upper die plate (3), and discharging spring (4) below is connected with dnockout piece (6); Baffle plate (18) is connected with upper mould fixed plate (20), and upper mould fixed plate (20) is connected with upper die plate (3), and upper die plate (3) is connected with cope match-plate pattern (2), and die shank (1), guide pin bushing (21) are fixedlyed connected with cope match-plate pattern (2) respectively;
Side cut punch (17) is installed on the location-plate (16) by bolt and school mould pin (15), side location-plate (24) is connected with location-plate (16) side, location-plate (16) is installed on the bottom plate (14), following location-plate (12) is installed on bottom plate (14) side, bottom plate (14) is installed on the lower bolster (13), guide pillar (19) is fixed on the lower bolster (13), and be inserted in the guide pin bushing (21) at the top of guide pillar (19);
The bearing of the elastic positioning device of mould (11) is installed on the lower bolster (13) by bolt; The elastic positioning device of mould and baffle plate (18) are on the both ends horizontal position of location-plate (16), and the three forms horizontal positioning device.
2. a kind of leaf springs of car bearing shaving die according to claim 1, the pressure head (10) that it is characterized in that the elastic positioning device of mould is connected with depression bar (8) matched in clearance by screw (7), binder spring (9) precommpression is installed in pressure head (10) inner chamber, depression bar (8) is connected with bearing (11) by rotating shaft (22), and spanner (23) is installed in the rotating shaft (22) by bolt.
3. a kind of leaf springs of car bearing shaving die according to claim 1, the single face gap 0.50-0.52mm of it is characterized in that cutting edge punch (17) and trim die (5).
4. a kind of leaf springs of car bearing shaving die according to claim 1, the side cut cutting edge of the punch (17) that it is characterized in that cutting edge is provided with 2.5 ° gradient.
5. a kind of leaf springs of car bearing shaving die according to claim 1 is equipped with the location square groove of a correspondence on it is characterized in that cutting edge punch (17) and the location-plate (16).
6. be connected by bolt between a kind of leaf springs of car bearing shaving die according to claim 1, the mistake proofing groove that it is characterized in that following location-plate (12) and the tongue of bottom plate (14) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200995312U CN202079151U (en) | 2011-04-07 | 2011-04-07 | Automobile plate-spring supporting-seat edge-cutting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200995312U CN202079151U (en) | 2011-04-07 | 2011-04-07 | Automobile plate-spring supporting-seat edge-cutting mould |
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| Publication Number | Publication Date |
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| CN202079151U true CN202079151U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200995312U Expired - Lifetime CN202079151U (en) | 2011-04-07 | 2011-04-07 | Automobile plate-spring supporting-seat edge-cutting mould |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179441A (en) * | 2011-04-07 | 2011-09-14 | 江西江铃底盘股份有限公司 | Trimming module and process for automobile plate spring support |
| CN106734522A (en) * | 2016-12-30 | 2017-05-31 | 江苏金也汽车配件有限公司 | A kind of die set of the two-way trimming of the ear of vehicle steering universal-joint fork two |
| CN106944532A (en) * | 2017-04-21 | 2017-07-14 | 烟台泰利汽车模具股份有限公司 | A kind of floating edger |
| CN107321836A (en) * | 2017-07-04 | 2017-11-07 | 西安飞机工业（集团）有限责任公司 | A kind of collar class part punching end mould and its application method |
-
2011
- 2011-04-07 CN CN2011200995312U patent/CN202079151U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179441A (en) * | 2011-04-07 | 2011-09-14 | 江西江铃底盘股份有限公司 | Trimming module and process for automobile plate spring support |
| CN102179441B (en) * | 2011-04-07 | 2012-10-10 | 江西江铃底盘股份有限公司 | Trimming mould and process for automobile plate spring support |
| CN106734522A (en) * | 2016-12-30 | 2017-05-31 | 江苏金也汽车配件有限公司 | A kind of die set of the two-way trimming of the ear of vehicle steering universal-joint fork two |
| CN106734522B (en) * | 2016-12-30 | 2018-08-21 | 江苏金也汽车配件有限公司 | A kind of die set of the two-way trimming of two ear of vehicle steering universal-joint fork |
| CN106944532A (en) * | 2017-04-21 | 2017-07-14 | 烟台泰利汽车模具股份有限公司 | A kind of floating edger |
| CN107321836A (en) * | 2017-07-04 | 2017-11-07 | 西安飞机工业（集团）有限责任公司 | A kind of collar class part punching end mould and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20121010 |