CN203610531U - Cold stamping die for wagon bearing sealing cover - Google Patents

Cold stamping die for wagon bearing sealing cover Download PDF

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Publication number
CN203610531U
CN203610531U CN201320836540.4U CN201320836540U CN203610531U CN 203610531 U CN203610531 U CN 203610531U CN 201320836540 U CN201320836540 U CN 201320836540U CN 203610531 U CN203610531 U CN 203610531U
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CN
China
Prior art keywords
die
punch
screw
bolster
backing plate
Prior art date
Application number
CN201320836540.4U
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Chinese (zh)
Inventor
曹学民
闫建
张航
王延青
Original Assignee
张家口时代橡胶制品有限公司
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Application filed by 张家口时代橡胶制品有限公司 filed Critical 张家口时代橡胶制品有限公司
Priority to CN201320836540.4U priority Critical patent/CN203610531U/en
Application granted granted Critical
Publication of CN203610531U publication Critical patent/CN203610531U/en

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Abstract

The utility model relates to the technical field of cold stamping, in particular to a cold stamping die for a wagon bearing sealing cover. The steps of performing I, performing II, shaping and bottom cutting are adopted in production of 352226X2-2RZ type bearing sealing covers all the time, and according to the production technology of four sets of stamping dies, the dies are large in depth, complex in structure, large in material consumption, difficult to operate, high in rejection rate, low in production efficiency and the like. Three sets of stamping dies are adopted in the cold stamping die, and the dies are simple in structure, easy to operate, safe, high in production efficiency and stable in product quality.

Description

Railway truck bearing seal closure cold punching die
Technical field
The utility model relates to cold punching technology field, specifically a kind of railway truck bearing seal closure cold punching die.
Background technology
Seal closure is a strength member of railway truck bearing sealing device.As 352226X2-2RZ profile shaft holds, be to be used in the right a kind of novel bearing of speed-raising truck wheel by cubic Research Institute in 1999.Mainly formed by bearing outer ring, inner ring, roller, retainer and sealing device.Sealing device is made up of seal closure, inner oil seal, outer oil seal, seal receptacle.Wherein, in the large end of seal closure and age of a draught animal periphery embedded axle bearing outer-ring, small end is pressed into outer oil seal, and inner oil seal and seal receptacle closely cooperate.After bearing assembling, between interior outer oil seal, do not contact, but the concavo-convex labyrinth that complements each other to form between them, Main Function is sealed bearing lubricating oil, prevents that dust from entering.After once sealing device lost efficacy, can make bearing heat up, the great driving accident that excessively heated axle occurs or cut axle, seal closure quality is significant to guaranteeing safety of railway traffic.
352226X2-2RZ profile shaft holds the production with seal closure, adopts preformed I, preformed II, shaping always, cuts the ends 4 step, the production technology of 4 cover diels.This process mould degree of depth is large, complex structure, high material consumption, difficult operation, the problem such as percent defective is high, production efficiency is low.
Summary of the invention
The purpose of this utility model is to want to provide a kind of railway truck bearing seal closure cold punching die, can simplification of flowsheet, reduce diel, and enhance productivity.
The utility model addresses the above problem adopted mould:
Blanking die: comprise and break bar A, die shank A, template, push pedal A, head part pin, backing plate A, punch panelling, ejector, die A, punch A, concave-convex mold, stripper, stripper screw, concave-convex mold panelling, lower bolster, elastic gum; Beat bar A and be set in die shank A centre bore, die shank A is set in template, and template is all connected by hold-down screw with punch panelling with punch panelling, die A with backing plate A, backing plate A; Punch is set in punch panelling, and ejector is between punch A and die A; Stripper is enclosed within on the external diameter of concave-convex mold, under the support of elastic gum, connects concave-convex mold panelling by stripper screw, and concave-convex mold is set in the middle of concave-convex mold panelling, and lower bolster and concave-convex mold panelling are connected and fixed by stripper screw;
Just shape mould: comprise and beat bar B, die shank B, cope match-plate pattern B, ejector, backing plate B, die B, locator, punch B, blank holder, lower bolster B, screw, bullet apical organ, ejector pin A; Beat bar B and be set in the centre bore of die shank B, die shank B is set in cope match-plate pattern B, and cope match-plate pattern B is connected by hold-down screw with backing plate B, and die B is connected by hold-down screw with backing plate B, and ejector is positioned at backing plate B; Locator is set in punch B, and hold-down screw is fixed together punch B and lower bolster B, and it is upper that blank holder is enclosed within punch B, and is connected with lower bolster B by ejector pin A; Suspension rod is connected lower bolster B by screw thread with bullet apical organ;
Shaping mould: comprise cope match-plate pattern C, push pedal B, ejector pin B, beat bar C, trip bolt, backing plate C, convex mould base, material returned circle, centring ring, retainer plate, die case, lower bolster C, die C, ejector, push rod, punch C, die D; Beating bar C is set in the centre bore of cope match-plate pattern C upper end; It is upper that push pedal B is fixed on cope match-plate pattern C by ejector pin B, and backing plate C is connected with cope match-plate pattern C by trip bolt, and convex mould base is connected with backing plate C by hold-down screw, and punch C is connected with convex mould base by screw, and material returned snare is on convex mould base, and centring ring is on retainer plate; Die D matches with centring ring by boss, and retainer plate is connected with die case by screw, and is fixedly connected with by screw with lower bolster C, and die D external diameter coordinates with die case internal diameter, and internal diameter coordinates with die C external diameter, is connected by screw together.
After the invention has the beneficial effects as follows and adopting new technology, stock utilization has improved 52%; Reduced a set of diel, mould structure is simple, processing ease, safety, production efficiency are high, constant product quality, reduces energy resource consumption and environmental pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of blanking die of the present invention;
Fig. 2 is the just structural representation of shape mould of the present invention;
Fig. 3 is the structural representation of shaping mould of the present invention.
In figure: 1. beat bar A, 2. die shank A, 3. cope match-plate pattern A, 4. push pedal A, 5. head part pin, 6. backing plate A, 7. punch panelling, 8. ejector, 9. die A, 10. punch A, 11. concave-convex molds, 12. strippers, 13. stripper screws, 14. concave-convex mold panellings, 15. lower bolster A, 16. elastic gums, 17. stamping parts, 18. waste materials, 19. dozens of bar B, 20. die shank B, 21. cope match-plate pattern B, 22. ejectors, 23. backing plate B, 24. die B, 25. locators, 26. punch B, 27. blank holders, 28. lower bolster B, 29. screws, 30. play apical organ, 31. ejector pin A, 32. preformed members, 33. cope match-plate pattern C, 34. push pedal B, 35. ejector pin B, 36. dozens of bar C, 37. trip bolts, 38. backing plate C, 39. convex mould bases, 40. material returned circles, 41. centring rings, 42. retainer plates, 43. die cases, 44. lower bolster C, 45. die C, 46. ejectors, 47. push rods, 48. punch C, 49. die D, 50. seal closures.
The specific embodiment
The utility model comprises that three as bed die:
Blanking die: as shown in Figure 1, comprise and break bar A 1, die shank A 2, template 3, push pedal A 4, head part pin 5, backing plate A6, punch panelling 7, ejector 8, die A 9, punch A 10, concave-convex mold 11, stripper 12, stripper screw 13, concave-convex mold panelling 14, lower bolster 15, elastic gum 16; Beat bar A 1 and be set in die shank A 2 centre bores, die shank A 2 is set in template 3, and template 3 is all connected by hold-down screw with punch panelling 7 with punch panelling 7, die A 9 with backing plate A6, backing plate A6; Punch 10 is set in punch panelling 7, and ejector 8 is between punch A10 and die A9; Stripper 12 is enclosed within on the external diameter of concave-convex mold 11, under the support of elastic gum 16, connects concave-convex mold panelling 14 by stripper screw 13, and concave-convex mold 11 is set in the middle of concave-convex mold panelling 14, and lower bolster 15 is connected and fixed by stripper screw 13 with concave-convex mold panelling 14;
Just shape mould: as shown in Figure 2, comprise and beat bar B 19, die shank B 20, cope match-plate pattern B 21, ejector 22, backing plate B 23, die B 24, locator 25, punch B 26, blank holder 27, lower bolster B 28, screw 29, bullet apical organ 30, ejector pin A 31; Beat bar B 19 and be set in the centre bore of die shank B 20, die shank B 20 is set in cope match-plate pattern B 21, and cope match-plate pattern B 21 is connected by hold-down screw with backing plate B 23, and die B 24 is connected by hold-down screw with backing plate B 23, and ejector 22 is positioned at backing plate B 23; Be subject to beat bar B 19 and act on, first shape part is released from die B 24 inner chambers.Locator 25 is set in punch B 26, and hold-down screw 29 is fixed together punch B 26 and lower bolster B 28, and blank holder 27 is enclosed within on punch B 26, and is connected with lower bolster B 28 by ejector pin A 31; Suspension rod is connected lower bolster B 28 by screw thread with bullet apical organ 30; Under the effect of pressure, blank holder 27 is played the elastic force of apical organ 30, fluctuates, and plays the anti-effect wrinkling and that from punch B 26, first shape part is ejected of flanging.
Shaping mould: as shown in Figure 3, this mould utilizes the pressing plate use that is connected with forcing press.Comprise cope match-plate pattern C 33, push pedal B 34, ejector pin B 35, beat bar C 36, trip bolt 37, backing plate C 38, convex mould base 39, material returned circle 40, centring ring 41, retainer plate 42, die case 43, lower bolster C 44, die C 45, ejector 46, push rod 47, punch C 48, die D 49; Beating bar C 36 is set in the centre bore of cope match-plate pattern C 33 upper ends; Push pedal B 34 is fixed on cope match-plate pattern C 33 by ejector pin B 35, backing plate C 38 is connected with cope match-plate pattern C 33 by trip bolt 37, convex mould base 39 is connected with backing plate C 38 by hold-down screw, punch C 48 is connected with convex mould base 39 by screw, material returned circle 40 is enclosed within on convex mould base 39, be subject to beat the effect of bar, push pedal and ejector pin, the seal closure after moulding is released from punch.Centring ring 41 is enclosed within on retainer plate 42, and internal diameter matches and plays positioning action with blank external diameter; Die D 49 matches with centring ring 41 by boss, retainer plate 41 is connected with die case 43 by screw, and is fixedly connected with by screw with lower bolster C 44, and die D 49 external diameters coordinate with die case 43 internal diameters, internal diameter coordinates with die C 45 external diameters, is connected by screw together.Ejector 46 is ejected the seal closure of moulding by the effect of push rod 47 in die C 45.
Specific works process is as follows:
1, blanking and punching
As shown in Fig. 1 (closure state), this mould can be installed and used on open type J21-100 punch press, and cope match-plate pattern is contained in to slider bottom, and lower bolster is contained on workbench, utilizes T-shaped groove that mould is fixed.
When work, 1, material is placed between die A 9 and stripper 12.2, it is descending that slider of punch drives patrix.3, die A 9 and punch A 10, concave-convex mold 11 are matched, material inside and outside circle is cut.4, stamping parts is headed between punch A 10 and die A 9 in die cavity by concave-convex mold 11, and waste material 18 is pushed in concave-convex mold 11 by punch A 10.5, the ejector 8 part jack-up that is thereupon stamped.6, ejector 8 is by head part pin 5 and push pedal 4 and beat masthead and rise.7, it is up that slider of punch drives patrix, and the knockout plate by punch press promotes to beat bar 1, push pedal A 4, ejector 5, ejector 8 stamping parts is released.Stamping parts is blanking and punching part.
2, first shape (preformed)
As shown in Fig. 2 (closure state), this mould can be installed and used on open type J21-63T punch press.Cope match-plate pattern is contained in to slider bottom, lower bolster is contained on workbench, utilize T-shaped groove that mould is fastening.
Its course of work is as follows: 1, blanking and punching part is placed on locator 25 and (is fixed with internal diameter).2, it is descending that slider of punch drives patrix.3, die B 24 depresses blanking and punching part.4, at blanking and punching part edge between blank holder 27 and die B 24 at punch press pressure with play under the effect of apical organ 30, be held down.5, punch is by the regular moulding of blanking and punching part internal diameter.6, slide block is up, and blank holder 27 holds up preformed member 32 under the effect that plays apical organ 30, has taken out preformed.
3, shaping
As shown in Fig. 3 (closure state), this mould can be installed and used on enclosed 200T hydraulic press.Cope match-plate pattern is contained on slide block, lower bolster is contained on workbench, utilize T-shaped groove that mould is fastening.
Its course of work is as follows: 1, preformed member bossing is put into centring ring 41 rear sliders down descending, punch C48 enters in preformed member internal diameter, slide block continues descending punch C48, and convex mould base 39 is pressed on preformed member internal diameter and the end face of die C45 and die D 49.Hydraulic press is forced into automated backhaul after authorized pressure, mold open.At push rod 47 with beat under the effect of bar C36, the seal closure after shaping is completed is interior or knocking from up die from die D 49, and the production of seal closure has just completed.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Everyly belong to apparent variation or the still row in protection domain of the present utility model of variation that the technical solution of the utility model extends out.

Claims (1)

1. a railway truck bearing seal closure cold punching die, is characterized in that comprising with bed die:
Blanking die: comprise and break bar A (1), die shank A (2), template (3), push pedal A (4), head part pin (5), backing plate A (6), punch panelling (7), ejector (8), die A (9), punch A (10), concave-convex mold (11), stripper (12), stripper screw (13), concave-convex mold panelling (14), lower bolster (15), elastic gum (16); Beating bar A (1) is set in die shank A (2) centre bore, die shank A (2) is set in template (3), and template (3) is all connected by hold-down screw with punch panelling (7) with punch panelling (7), die A (9) with backing plate A (6), backing plate A (6); Punch (10) is set in punch panelling (7), and ejector (8) is positioned between punch A (10) and die A (9); Stripper (12) is enclosed within on the external diameter of concave-convex mold (11), under the support of elastic gum (16), connect concave-convex mold panelling (14) by stripper screw (13), concave-convex mold (11) is set in the middle of concave-convex mold panelling (14), and lower bolster (15) is connected and fixed by stripper screw (13) with concave-convex mold panelling (14);
Just shape mould: comprise and beat bar B (19), die shank B (20), cope match-plate pattern B (21), ejector (22), backing plate B (23), die B (24), locator (25), punch B (26), blank holder (27), lower bolster B (28), screw (29), bullet apical organ (30), ejector pin A (31); Beating bar B (19) is set in the centre bore of die shank B (20), die shank B (20) is set in cope match-plate pattern B (21), cope match-plate pattern B (21) is connected by hold-down screw with backing plate B (23), die B (24) is connected by hold-down screw with backing plate B (23), and ejector (22) is positioned at backing plate B (23); Locator (25) is set in punch B (26), hold-down screw (29) is fixed together punch B (26) and lower bolster B (28), it is upper that blank holder (27) is enclosed within punch B (26), and be connected with lower bolster B (28) by ejector pin A (31); Suspension rod is connected lower bolster B (28) by screw thread with bullet apical organ (30);
Shaping mould: comprise cope match-plate pattern C (33), push pedal B (34), ejector pin B (35), beat bar C (36), trip bolt (37), backing plate C (38), convex mould base (39), material returned circle (40), centring ring (41), retainer plate (42), die case (43), lower bolster C (44), die C (45), ejector (46), push rod (47), punch C (48), die D (49); Beating bar C (36) is set in the centre bore of cope match-plate pattern C (33) upper end; Push pedal B (34) is fixed on cope match-plate pattern C (33) by ejector pin B (35), backing plate C (38) is connected with cope match-plate pattern C (33) by trip bolt (37), convex mould base (39) is connected with backing plate C (38) by hold-down screw, punch C (48) is connected with convex mould base (39) by screw, it is upper that material returned circle (40) is enclosed within convex mould base (39), and centring ring (41) is enclosed within on retainer plate (42); Die D (49) matches with centring ring (41) by boss, retainer plate (41) is connected with die case (43) by screw, and with lower bolster C(44) be fixedly connected with by screw, die D(49) external diameter coordinates with die case (43) internal diameter, internal diameter coordinates with die (C) 45 external diameters, is connected by screw together.
CN201320836540.4U 2013-12-18 2013-12-18 Cold stamping die for wagon bearing sealing cover CN203610531U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320836540.4U CN203610531U (en) 2013-12-18 2013-12-18 Cold stamping die for wagon bearing sealing cover

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Application Number Priority Date Filing Date Title
CN201320836540.4U CN203610531U (en) 2013-12-18 2013-12-18 Cold stamping die for wagon bearing sealing cover

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659198A (en) * 2013-12-18 2014-03-26 张家口时代橡胶制品有限公司 Wagon bearing sealing cover cold stamping process and stamping dies
CN104785632A (en) * 2015-03-31 2015-07-22 太仓斯普宁精密机械有限公司 Stamping die special for bearing retainer
CN106001262A (en) * 2016-06-22 2016-10-12 中航飞机起落架有限责任公司 Stamping die of dust cover for vent hole in head of undercarriage outer cylinder and manufacture method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659198A (en) * 2013-12-18 2014-03-26 张家口时代橡胶制品有限公司 Wagon bearing sealing cover cold stamping process and stamping dies
CN103659198B (en) * 2013-12-18 2015-12-09 张家口时代橡胶制品有限公司 Railway truck bearing seal closure cold punching die
CN104785632A (en) * 2015-03-31 2015-07-22 太仓斯普宁精密机械有限公司 Stamping die special for bearing retainer
CN106001262A (en) * 2016-06-22 2016-10-12 中航飞机起落架有限责任公司 Stamping die of dust cover for vent hole in head of undercarriage outer cylinder and manufacture method
CN106001262B (en) * 2016-06-22 2018-02-06 中航飞机起落架有限责任公司 The diel of the dust cap of undercarriage outer barrel head vent holes and manufacture method

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140528

Effective date of abandoning: 20151209

C25 Abandonment of patent right or utility model to avoid double patenting