CN205200329U - Preceding guarantor's installing support multi -station progressive die - Google Patents
Preceding guarantor's installing support multi -station progressive die Download PDFInfo
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- CN205200329U CN205200329U CN201520962736.7U CN201520962736U CN205200329U CN 205200329 U CN205200329 U CN 205200329U CN 201520962736 U CN201520962736 U CN 201520962736U CN 205200329 U CN205200329 U CN 205200329U
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Abstract
The utility model relates to a preceding guarantor's installing support multi -station progressive die, including last membrane module, lower membrane module, stripper and misdelivery material detection device, last membrane module set gradually corresponding terrace die and be used for the locating pin of accurate location along feed direction, lower membrane module along feed direction set gradually with last membrane module terrace die complex die inlay the cover and inlay the cover with locating pin complex locating pin. Utilize the utility model discloses the mould can be realized adopting upgrading of taking shape in succession and protect the installing support before mould production methods prepares, can guarantee the safety in production, improves production efficiency and part quality, reduction in production cost. The utility model discloses the mould adopts dynamic sending machine to make coarse positioning, pilot pin fine positioning, has guaranteed the pay -off precision, protruding, die plate insert all adopts inlaying formula structure, inlays the cover and is mostly the through type structure, makes simply be convenient for maintenance and change.
Description
Technical field
The utility model relates to a kind of mould, particularly a kind of front bumper mounting bracket multi-station progressive die.
Background technology
Fig. 1-Figure 2 shows that front bumper mounting bracket, material is DC01, expects thick 3mm, batch production.Material phosphorus content≤10%, tensile strength >=270MPa, yield strength 130 ~ 260MPa, Chang Shuai≤28% of Shen after Duan, stamping formabilily is good.Former forming technology scheme is: blanking, punching (Φ 22) → bending → shaping → punching (Φ 6, Φ 11), altogether fourth officer mould.This technique mainly exists that operating efficiency is low, and lathe occupancy is high, and part quality is unstable, operate inadequate security problems.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of front bumper mounting bracket multi-station progressive die, the front bumper mounting bracket of progressive die mode of production preparation adopting progressive forming can be realized, can ensure safety in production, enhance productivity and part quality, reduce production cost, solve above-mentioned problems of the prior art.
The technical scheme solved the problems of the technologies described above is: bumper mounting bracket multi-station progressive die before a kind of, comprise upper die component, lower mold assemblies and stripper, described upper die component is disposed with 3 along feedstock direction and rushes correcting pin-and-hole punch, 2 die-cut profile punch I in local, 2 are rushed φ 22 hole punch, 2 die-cut profile punch II in local, 2 bending forming punch, 2 shaping terrace dies, 2 groups of piercing punches and 1 cut-out punch, often organize piercing punch comprise 1 rush φ 11 hole punch and 1 rush φ 6 hole punch, described upper die component is also provided with the pilot pin coordinated with the correcting pin-and-hole gone out,
Described lower mold assemblies is disposed with 3 of coordinating with upper die component punch along feedstock direction and rushes correcting pin-and-hole female die embedding cover, 2 die-cut profile female die embedding covers I in local, 1 is rushed φ 22 hole female die embedding cover, 2 die-cut profile female die embedding covers II in local, 2 bending forming dies, 1 correcting die, 2 punching group female die embedding covers and 1 cut-out female die embedding cover, punching group female die embedding cover is provided with 1 rush φ 11 hole die hole and 1 rush φ 6 hole die hole, rush on the female die embedding cover of φ 22 hole and be provided with 2 φ 22 hole die holes, it is bushing that described lower mold assemblies is also provided with the correcting pin-and-hole coordinated with pilot pin,
On described stripper, correspondence position has the through hole that can pass upper die component upper male mould and pilot pin, and stripper is arranged on upper die component by discharging spring and stripper bolt.
The punch retainer that described upper die component also includes upper bolster, the upper padding plate be connected with upper bolster and is connected with upper padding plate, the punch of upper die component is installed on punch retainer, the concave template that described lower mold assemblies comprises lower bolster, the lower cushion block be connected with lower bolster, the die shoe be connected with lower cushion block, the lower bolster be connected with die shoe and is connected with lower bolster, female die embedding cover and the die of described lower mold assemblies are arranged on concave template.
Described concave template feed end is also provided with stock guide, and stock guide to be extended outside concave template and fixed by stock guide backing plate, and stock guide backing plate is connected with lower bolster, concave template.
This front bumper mounting bracket multi-station progressive die also includes feeding detection device by mistake, described mistake feeding detection device comprises feeler lever, microswitch and the floating detection pilot pin cooperatively interacted, floating, it is bushing to detect correcting pin-and-hole, described floating detection pilot pin is arranged on upper die component by stage clip, bushing the inlaying of detection correcting pin-and-hole of floating is arranged on lower mold assemblies, fine motion is opened and is arranged on upper die component, float to detect on pilot pin and have inclined plane groove, feeler lever is arranged on upper die component by feeler lever spring and setscrew nut, feeler lever one end is positioned to float detects the inclined plane groove of pilot pin, the feeler lever other end is positioned at the dead ahead of microswitch.
Described adjacent 2 concave templates rushing between correcting pin-and-hole female die embedding cover are respectively provided with to be provided with between 2 billot floating roof devices, II, 2 correcting dies between 1 billot floating roof device, I, 2 die-cut profile female die embedding covers II in local and are provided with 2 billot floating roof devices III.
Described stripper is also connected with stripper backing plate.
Described concave template is also provided with stripper limited post.
Described upper bolster is provided with upper limit post, described die shoe is provided with the lower limit post coordinated with upper limit post.
Described upper die component is provided with guide pin bushing, described lower mold assemblies is provided with the guide pillar coordinated with guide pin bushing.
Described upper die component is provided with inner guiding post, described lower mold assemblies is provided with the inward oriented hole coordinated with inner guiding post.
The utility model is optimized by former forming technology, devises a secondary multi-station progressive die, to ensure safety in production, enhances productivity and part quality, reduces production cost.The utility model mould adopts automatic feed mechanism to make coarse positioning, pilot pin fine positioning, ensure that pushing precision; Punch and matrix insert all adopts insert or composite structure, mostly bushingly is straight-through structure, manufactures simple, is convenient to maintenance and changes.Material all have employed the DC53 cold work die steel of high rigidity, high tenacity, high abrasion.Superior owing to processing, assembly quality is high, and this mould has gone out qualified parts after die trial repair, through probationary certificate: mould ruuning situation is good, constant product quality, meets enterprise to product size precision, production efficiency and the requirement of die life, reaches Expected Results.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristic of bumper mounting bracket multi-station progressive die before the utility model is further described.
Accompanying drawing explanation
Fig. 1: front bumper mounting bracket structural representation.
Fig. 2: front bumper mounting bracket front sectional view.
Fig. 3: bumper mounting bracket multi-station progressive die structural representation (mold closing state eliminates the parts such as upper bolster, upper padding plate, punch retainer) before the utility model.
The A-A sectional view of Fig. 4: Fig. 3.
The S-S sectional view of Fig. 5: Fig. 3.
The P-P sectional view of Fig. 6: Fig. 3.
The R-R sectional view of Fig. 7: Fig. 3.
Fig. 8: bumper mounting bracket multi-station progressive die stereogram (mold closing state eliminates the parts such as upper bolster, upper padding plate, punch retainer) before the utility model.
Fig. 9: the lower mold assemblies structural representation of the utility model.
Figure 10: Layout.
Figure 11: stock layout axonometric drawing.
In figure: 1-lower bolster, 2-lower cushion block, 3-die shoe, 4-stock guide backing plate, 5-lower bolster, 6-concave template, 7-stripper, 8-stripper backing plate, 9-stripper bolt, 10-punch retainer, 11-upper padding plate, 12-upper bolster, 13-rushes correcting pin-and-hole punch, 14-rushes correcting pin-and-hole female die embedding cover, 15-pilot pin, 16-correcting pin-and-hole is bushing, the bushing spring of 161-, 17-cuts off punch, 18-cuts off female die embedding cover, 19-bullet ejector pin, 20-billot floating roof device III, 21-billot floating roof device II, the die-cut profile punch II in 22-local, the die-cut profile female die embedding cover II in 23-local, 24-guide pillar guide pin bushing component, 25-billot floating roof device I, 26-stock guide, 27-rushes φ 22 hole punch, 28-rushes φ 22 hole female die embedding cover, the die-cut profile punch I in 29-local, the die-cut profile female die embedding cover I in 30-local, 31-rushes φ 11 hole punch, 32-rushes φ 6 hole punch, 33-punching group female die embedding cover, 34-discharging spring, 35-floats and detects pilot pin, 351-floating detection correcting pin-and-hole is bushing, 36-stage clip, 37-feeler lever, 38-feeler lever spring, 39-setscrew nut, 40-microswitch, 41-inner guiding post, 411-inward oriented hole, 42-bending forming punch, 43-bending forming die, 44-stripper limited post, 45-shaping terrace die, 46-correcting die, 47-upper limit post, 48-lower limit post.
The corresponding station of numeral in Figure 10.
Detailed description of the invention
Embodiment 1: bumper mounting bracket multi-station progressive die before a kind of, comprise upper die component, lower mold assemblies and stripper 7, described upper die component also includes upper bolster 12, the upper padding plate 11 be connected with upper bolster and the punch retainer 10 be connected with upper padding plate, the punch retainer 10 of upper die component is disposed with 3 along feedstock direction and rushes correcting pin-and-hole punch 13, 2 die-cut profile punch I 29 in local, 2 are rushed φ 22 hole punch 27, 2 die-cut profile punch II 22 in local, 2 bending forming punch 42, 2 shaping terrace dies 45, 2 groups of piercing punches and 1 cut-out punch 17, often organize piercing punch comprise 1 rush φ 11 hole punch 31 and 1 rush φ 6 hole punch 32, described upper die component is also provided with the several pilot pins 15 coordinated with the correcting pin-and-hole gone out, for precise positioning.
Described lower mold assemblies comprises lower bolster 1, the lower cushion block 2 be connected with lower bolster, the die shoe 3 be connected with lower cushion block, the lower bolster 5 be connected with die shoe and the concave template 6 be connected with lower bolster, described concave template is installed successively along feedstock direction and is provided with 3 of coordinating with upper die component punch and rushes correcting pin-and-hole female die embedding cover 14, 2 die-cut profile female die embedding covers I 30 in local, 1 is rushed φ 22 hole female die embedding cover 28, 2 die-cut profile female die embedding covers II 23 in local, 2 bending forming dies 43, 1 correcting die 46, 2 punching group female die embedding covers 33 and 1 cut-out female die embedding cover 18, punching group female die embedding cover 33 is provided with 1 rush φ 11 hole die hole and 1 rush φ 6 hole die hole, rush on φ 22 hole female die embedding cover 28 and be provided with 2 φ 22 hole die holes, described lower mold assemblies is also provided with the several correcting pin-and-holes bushing 16 coordinated with pilot pin, correcting pin-and-hole bushing 16 is arranged on lower mold assemblies by bushing spring 161, bushing spring 161 plays buoyant.
On described stripper 7, correspondence position has the through hole that can pass upper die component upper male mould and pilot pin, and described stripper 7 is connected with stripper backing plate 8, and stripper is arranged on upper die component by discharging spring 34 and stripper bolt 9.Described stripper bolt is contour stripper bolt.
This front bumper mounting bracket multi-station progressive die also includes feeding detection device by mistake, described mistake feeding detection device comprises feeler lever 37, microswitch 40 and the floating detection pilot pin 35 cooperatively interacted, float and detect correcting pin-and-hole bushing 351, described floating detection pilot pin is arranged on upper die component by stage clip 36, bushing the inlaying of detection correcting pin-and-hole of floating is arranged on lower mold assemblies, fine motion is opened and is arranged on upper die component, float to detect on pilot pin and have inclined plane groove, feeler lever is arranged on upper die component by feeler lever spring 38 and setscrew nut 39, feeler lever one end is positioned to float detects the inclined plane groove of pilot pin, the feeler lever other end is positioned at the dead ahead of microswitch.
Described concave template 6 feed end is also provided with stock guide 26, and stock guide to be extended outside concave template and fixed by stock guide backing plate 4, and stock guide backing plate is connected with lower bolster and concave template.Described adjacent 2 concave templates rushing between correcting pin-and-hole female die embedding cover 14 are respectively provided with 1 billot floating roof device I 25, be provided with between 2 die-cut profile female die embedding covers II 23 in local between 2 billot floating roof devices, II 21,2 correcting dies 46 and be provided with 2 billot floating roof devices III 20.Described concave template is also provided with stripper limited post 44.Described upper bolster is provided with upper limit post 47, described die shoe is provided with the lower limit post 48 coordinated with upper limit post.Described upper die component is provided with guide pin bushing, described lower mold assemblies is provided with the guide pillar coordinated with guide pin bushing.Described upper die component is provided with inner guiding post 41, described lower mold assemblies is provided with the inward oriented hole 411 coordinated with inner guiding post.Described lower mold assemblies is also provided with and plays ejector pin 19, mainly play jack-up part.
During mold closing state, the punch of upper die component is positioned at die corresponding to lower mold assemblies, and the correcting pin-and-hole that the pilot pin of upper die component is positioned at lower mold assemblies is bushing.
The main feature of the utility model mould is as follows:
Mould employing good rigidly, the 3 plate four guide colume type guide frames that guiding accuracy is high.The shut height of mould is 460mm, and according to appearance and size and the total power of punching press of mould, select JD31-630 closed type single point press, the design feature of this mould is as follows:
(1) for ensureing the required precision between each station spacing, reduce accumulated error to the impact of entering apart from precision, adopt roll-type automatic feed mechanism to make thick spacing, the pilot pin arranged in mould makes smart spacing, realize accurate spacing that is continuous, automatic press, pushing precision can reach ± 0.05mm.Second to the 4th station is respectively arranged with 3 pilot pins, and owing to having excised both sides profile waste material after the 5th station, pilot pin is single to be arranged on intermediate carrier, and the large I of pilot pin diameter is chosen by material thickness, and the correcting pin-and-hole of this mould is designed to φ 7mm.Pilot pin is arranged on punch retainer, and coordinate with punch retainer for H7/n6, select H7/h6 with coordinating of stripper, material is identical with piercing punch, and quenching hardness is 58-62HRC.
(2) because part forming includes bending process, therefore material guide device adopts the combining form of stock guide, local billot floating roof device.Stock guide is contained in the front portion of mould, and stock guide length is 380mm, and in centre, each station is provided with 3 groups of billot floating roof devices, and floating roof device levitation height is 9mm.For ensureing that band is expected certain guiding accuracy and sends at the smooth and easy of punching course, should have the one side gap of 0.05-0.25mm between band material width and stock guide, all floating roof devices hold up band and expect that the height floating off die plane must be completely the same.
(3) elastic tripper be made up of stripper, contour stripper bolt and discharging spring etc. is adopted.Stripper stroke is 8mm, according to the size of stripping force, selects altogether 36 medium-sized Rectangular Spring SWM30 × 55.For keeping the balance of stripping force, discharging spring needs symmetry, balanced setting.Reliable and stable when working for making elasticity stripper, there is not skew and tilt, guiding and protective effect being played to punch, at punch retainer, between stripper and die, arranges 3 pairs of inner guiding posts altogether.Inner guiding post is generally coordinate between punch with stripper 1/2 with the fit clearance of stripper, is about 0.02mm.
(4) for guaranteeing that the press depth of mould remains constant, have employed 4 upper and lower spacing column devices of φ 58mm.Such design can ensure the depth of parallelism of stripper and upper and lower die holder, protection mould and equipment not damaged.
(5) for keeping the constant of pressure-plate-force in forming process and preventing blank to hold tension; make to ensure certain distance all the time between stripper and die; 6 stripper limited posts are respectively arranged with in the concave template left and right sides; limited post exceeds die 3mm; also play simultaneously and accept stripper load, the effect of position limitation protection mould.
(6) for ensureing the normal work of mould, improving die life, avoiding causing and pound mould, station 4 is provided with feeding detection device (referring to Fig. 5) by mistake.The upper end detecting the pilot pin that floats arranges the stage clip of an available plug screw adjustment pressure, when billot send in process pass through head or send equal error not in place to time, pilot pin is pressed to be moved, the little slope level of pilot pin afterbody promotes feeler lever and moves to right, feeler lever touches microswitch, send fault-signal, force the work of forcing press emergent stopping.
The utility model mould vital part design and manufaction:
(1) punch and matrix design.The punch and matrix condition of work of multi-station progressive die is severe, and due to high-speed and continuous operation, vibration is large, adds that stress is also uneven, asymmetric, off plumb, so wearing and tearing are also fast especially, and the possibility of damage is also larger.Therefore, in Design of progressive die for metal, require higher to the material of punch and matrix, heat treatment and the accuracy of manufacture, working part should select that hardness is high, wear-resisting, the material of Heat stability is good.The punch material selection DC53 of this progressive die, heat treatment hardness is 58-60HRC.Round punch adopts high-precision cylindrical grinder processing, and special-shaped punch is straight-through structure.Die all adopts bushing (or insert) structure, to reduce difficulty of processing, improves the accuracy of manufacture, is convenient for changing maintenance.Negative molding material is identical with punch, heat treatment hardness 60-64HRC.DC53 is the novel cold work die steel improved SKD11, which overcomes the weakness of SKD11 high tempering hardness and toughness deficiency, Linear cut superior performance.The punch of all through types, die plate insert (bushing) all adopt low-speed WEDM to process, and the required precision of working portion dimensioned is not less than IT5 level.For convenience of installation and removal, the mode that special-shaped punch, die all adopt screw and locating slot to fix, the quality of fit of the coordinating of punch and punch retainer, female die embedding cover and concave template is H7/m6.
(2) stripper design.Stripper except playing the effect of binder and discharging, also plays guide effect to punch and pilot pin in progressive die, therefore have employed 6 inner guiding post guiding be fixed on punch retainer, to ensure the kinematic accuracy of each punch.Because die size longitudinal size is comparatively large, concave template, punch retainer and stripper adopt and all adopt partitioned organization, material selection CrWMn, and quenching hardness is 56-58HRC, adopt low-speed WEDM processing.Double-faced clearance between punch and stripper is 0.04mm, and the fit clearance of inner guiding post and stripper, concave template is 0.02mm.
The utility model using die stock layout designs:
Front bumper mounting bracket multi-station progressive die part shape is simple, containing blanking, punching, the operation such as bending, except the position dimension in Φ 6 hole and Φ 11 hole have ± tolerance of 0.01mm except, all the other dimensional tolerance grades are without individual tolerance, can meet the demands by common punch process.Because design of part is asymmetric, and material is partially thick, and plasticity is better, the Z-shaped bending height in middle part is only 8mm, therefore, time bending, the skew of material and resilience will become the main forming defects of this part, must take appropriate measures and solve these two quality problems during Design of Dies.Meanwhile, for ensureing part quality, sweep should be made time bending vertical with machine direction, and the side in burr face is in the inner edge of bending pressurized.
Layout Design is one of key of multi-position progressive die, and it specifically reflects part in whole stamping process, the intercepting orientation of blank shape on billot and the relation of adjacent blank.Whether the design of Layout is reasonable, is not only related to the utilization rate of material, the precision of workpiece, the complexity of Making mold and service life etc., and is related to the coordination of each station of mould and stablizes.Because part shape is simple, for improving stock utilization, determine the double in line sample adopting intermediate carrier.In addition, stock layout also contemplates following factor:
(1) in order to ensure billot reliably sending in subsequent handling, correcting pin-and-hole is arranged in the first station and goes out, and the cooperation in pilot pin correcting hole, also plays the effect preventing material shifts when bending forming simultaneously.
(2) position accuracy demand for φ 11 hole and φ 6 hole is higher, should be arranged in same work step and go out.And, because these two holes are near the deformed area of forming process, for preventing the distortion in hole, after punching operation should be arranged in forming process.
(3) part shape is simple, asymmetric, for effectively preventing material from producing skew, improving the situation of mould unbalance stress, considering to adopt paired forming mode.
(4) for reducing resilience, guaranteeing part quality, after bending operation, increasing by one trimming at corresponding crooked position.
Final Layout Design is as shown in Figure 10-Figure 11, and wherein idle station 3, effective station 8, has 11 stations, and billot width is 167mm, and the step pitch between each station is 25mm.
Forming process of the present utility model is as shown in Figure 10-Figure 11, and station (1) is punching 3 × φ 7 correcting pin-and-hole (by rushing correcting pin-and-hole punch 13 and rushing correcting pin-and-hole female die embedding cover 14); Station (2) is the die-cut profile in local (by the die-cut profile punch I 29 in local and the die-cut profile female die embedding cover I 30 in local); Station (3) is empty work step; Station (4) is for rushing φ 22 hole (by rushing φ 22 hole punch 27 and rushing φ 22 hole female die embedding cover 28); Station (5) is the die-cut profile in local (by the die-cut profile punch II 22 in local and the die-cut profile female die embedding cover II 23 in local); Station (6) is bending forming (by bending forming punch 42 and bending forming die 43); Station (7) is empty step; Station (8) is shaping (by shaping terrace die 45 and correcting die 46), the object of shaping: the form and dimensional precision improving part, due to the impact of resilience, anterior curvature forming quality local does not likely reach drawing requirement, only has and is realized by the way of shaping; Station (9) is for rushing φ 11, φ 6 hole (by rushing φ 11 hole punch 31, rushing φ 6 hole punch 32 and punching group female die embedding cover 33); Station (10) is empty step; Station (11) is for cutting off carrier (by cutting off punch 17 and cutting off female die embedding cover 18), and part is separated with billot.
Claims (10)
1. bumper mounting bracket multi-station progressive die before a kind, it is characterized in that: comprise upper die component, lower mold assemblies and stripper (7), described upper die component is disposed with 3 along feedstock direction and rushes correcting pin-and-hole punch (13), 2 die-cut profile punch I (29) in local, 2 are rushed φ 22 hole punch (27), 2 die-cut profile punch II (22) in local, 2 bending forming punch (42), 2 shaping terrace dies (45), 2 groups of piercing punches and 1 cut-out punch (17), often organize piercing punch comprise 1 rush φ 11 hole punch (31) and 1 rush φ 6 hole punch (32), described upper die component is also provided with the pilot pin (15) coordinated with the correcting pin-and-hole gone out,
Described lower mold assemblies is disposed with 3 of coordinating with upper die component punch along feedstock direction and rushes correcting pin-and-hole female die embedding cover (14), 2 die-cut profile female die embedding covers I (30) in local, 1 is rushed φ 22 hole female die embedding cover (28), 2 die-cut profile female die embedding covers II (23) in local, 2 bending forming dies (43), 1 correcting die (46), 2 punching group female die embedding covers (33) and 1 cut-out female die embedding cover (18), punching group female die embedding cover (33) is provided with 1 rush φ 11 hole die hole and 1 rush φ 6 hole die hole, rush on φ 22 hole female die embedding cover (28) and be provided with 2 φ 22 hole die holes, described lower mold assemblies is also provided with the correcting pin-and-hole coordinated with pilot pin bushing (16),
The upper correspondence position of described stripper (7) has the through hole that can pass upper die component upper male mould and pilot pin, and stripper is arranged on upper die component by discharging spring (34) and stripper bolt (9).
2. front bumper mounting bracket multi-station progressive die according to claim 1, it is characterized in that: described upper die component also includes upper bolster (12), the upper padding plate (11) be connected with upper bolster and the punch retainer (10) be connected with upper padding plate, the punch of upper die component is installed on punch retainer, described lower mold assemblies comprises lower bolster (1), the lower cushion block (2) be connected with lower bolster, the die shoe (3) be connected with lower cushion block, the lower bolster (5) be connected with die shoe and the concave template (6) be connected with lower bolster, female die embedding cover and the die of described lower mold assemblies are arranged on concave template.
3. front bumper mounting bracket multi-station progressive die according to claim 2, it is characterized in that: described concave template (6) feed end is also provided with stock guide (26), stock guide to be extended outside concave template and is fixed by stock guide backing plate (4), and stock guide backing plate is connected with lower bolster, concave template.
4. bumper mounting bracket multi-station progressive die before according to any one of claim 1-3, it is characterized in that: this front bumper mounting bracket multi-station progressive die also includes feeding detection device by mistake, described mistake feeding detection device comprises feeler lever (37), microswitch (40) and the floating detection pilot pin (35) cooperatively interacted, float and detect correcting pin-and-hole bushing (351), described floating detection pilot pin is arranged on upper die component by stage clip (36), bushing the inlaying of detection correcting pin-and-hole of floating is arranged on lower mold assemblies, fine motion is opened and is arranged on upper die component, float to detect on pilot pin and have inclined plane groove, feeler lever is arranged on upper die component by feeler lever spring (38) and setscrew nut (39), feeler lever one end is positioned to float detects the inclined plane groove of pilot pin, the feeler lever other end is positioned at the dead ahead of microswitch.
5. bumper mounting bracket multi-station progressive die before according to any one of claim 1-3, it is characterized in that: described adjacent 2 concave templates rushing between correcting pin-and-hole female die embedding cover (14) are respectively provided with 1 billot floating roof device I (25), be provided with 2 billot floating roof devices II (21) between 2 die-cut profile female die embedding covers II (23) in local, between 2 correcting dies (46), be provided with 2 billot floating roof devices III (20).
6. bumper mounting bracket multi-station progressive die before according to any one of claim 1-3, is characterized in that: described stripper (7) is also connected with stripper backing plate (8).
7. bumper mounting bracket multi-station progressive die before according to any one of claim 2-3, is characterized in that: described concave template is also provided with stripper limited post (44).
8. bumper mounting bracket multi-station progressive die before according to any one of claim 2-3, is characterized in that: described upper bolster is provided with upper limit post (47), described die shoe is provided with the lower limit post (48) coordinated with upper limit post.
9. bumper mounting bracket multi-station progressive die before according to any one of claim 1-3, is characterized in that: described upper die component is provided with guide pin bushing, described lower mold assemblies is provided with the guide pillar coordinated with guide pin bushing.
10. bumper mounting bracket multi-station progressive die before according to any one of claim 1-3, is characterized in that: described upper die component is provided with inner guiding post (41), described lower mold assemblies is provided with the inward oriented hole (411) coordinated with inner guiding post.
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| CN201520962736.7U CN205200329U (en) | 2015-11-27 | 2015-11-27 | Preceding guarantor's installing support multi -station progressive die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105436311A (en) * | 2015-11-27 | 2016-03-30 | 柳州职业技术学院 | Multi-station progressive die for front protection mounting support |
| WO2018028024A1 (en) * | 2016-08-11 | 2018-02-15 | 江阴澄云机械有限公司 | Multi-station progressive die for cover plate |
| CN108526308A (en) * | 2017-03-06 | 2018-09-14 | 上海强精金属制品有限公司 | A kind of air conditioner support manufacture continuous mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436311A (en) * | 2015-11-27 | 2016-03-30 | 柳州职业技术学院 | Multi-station progressive die for front protection mounting support |
| WO2018028024A1 (en) * | 2016-08-11 | 2018-02-15 | 江阴澄云机械有限公司 | Multi-station progressive die for cover plate |
| CN108526308A (en) * | 2017-03-06 | 2018-09-14 | 上海强精金属制品有限公司 | A kind of air conditioner support manufacture continuous mould |
| CN109676007A (en) * | 2018-11-23 | 2019-04-26 | 铜陵蓝盾丰山微电子有限公司 | Dies ' Blanking on-line measuring device |
| CN110064701A (en) * | 2019-04-24 | 2019-07-30 | 无锡派尔福精密模具有限公司 | A kind of die for processing of movable plate and the preparation method of the mold |
| CN112338054A (en) * | 2019-08-08 | 2021-02-09 | 杜桂森 | Guardrail plate cold-bending forming line |
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