CN104289578B - A kind of control method of stamping die - Google Patents

A kind of control method of stamping die Download PDF

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Publication number
CN104289578B
CN104289578B CN201410492670.XA CN201410492670A CN104289578B CN 104289578 B CN104289578 B CN 104289578B CN 201410492670 A CN201410492670 A CN 201410492670A CN 104289578 B CN104289578 B CN 104289578B
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stamping
stamping parts
lever
mold
flange
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CN201410492670.XA
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CN104289578A (en
Inventor
刘润志
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Dongguan Yingde Precision Hardware Co., Ltd.
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Dongguan Yingde Precision Hardware Co Ltd
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Abstract

The present invention relates to a kind of control method of stamping die, locating rods(39)Lower end is arranged with compressed spring(391), compressed spring(391)Upper end connecting T-shaped support plate(392), T-shaped support plate(392)Vertical component effect be provided with through-hole, locating rod(39)Across the through-hole, T-shaped support plate(392)Horizontal part be used to support stamping parts;Locating rod(39)Upper end axially offers columnar placing groove(394), placing groove(394)Upper end or lower end connect a connecting shaft(395), connecting shaft(395)Both ends are fixed on placing groove(394)Cell wall on, elastic lever(393)With connecting shaft(395)Connection, elastic lever(393)To be rotatable, and and locating rod(39)Between angle 0 90 ° variation.Stamping parts compresses position-limit mechanism of the present invention contains the function of discharging, saves layout space within the mold, improves ram efficiency.

Description

A kind of control method of stamping die
Technical field
The present invention relates to stamping die, especially a kind of control method of stamping die.
Background technology
There is not yet the compression to stamping parts, the tool that three functional unifications of limiting and discharging are realized on existing market. Thus, component setting can excessively lead to the space waste in mold, reduce ram efficiency.
Chinese patent:The flange mold of rack of car belt continuous stamping die, application publication number CN102012663A are public The flange mold in a kind of stamping die is opened, which, which can play lower die briquetting, will not keep off flanging, conveniently stripped.
But the flange mold of the rack of car belt continuous stamping die due to employing horizontal punching press and vertical simultaneously Two kinds of pressure of punching press, in order to ensure the stamping quality of stamping parts, it is necessary to positioning and compression are carried out at the same time in lower die to stamping parts, Otherwise it is susceptible to accuracy error.
In addition, Chinese patent:A kind of side reshaping device for solving the rebound of stamping parts side, application publication number: CN102699148A discloses a kind of side reshaping device, and the wedge structure in the side reshaping device is provided in stamping die Inside, but stamping die inner space is limited and can not set wedge structure, thus cause the difficulty and zero of mold manufacturing Part processing technology is complicated.
Invention content
The present invention devises a kind of control method of stamping die, and the technical issues of solving is:(1) on existing market also There is no the tools realized to three compression of stamping parts, limiting and discharging functional unifications.(2) in existing side reshaping device Wedge structure is provided in the inside of stamping die, but stamping die inner space is limited and can not set wedge structure, because And cause the difficulty of mold manufacturing and parts machining process complicated.(3) flanging die structure of existing stamping die is due to simultaneously Two kinds of pressure of horizontal punching press and vertical punching press are employed, are not carried out at the same time positioning and compression in lower die to stamping parts, easily There is accuracy error.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of control method of stamping die, includes the following steps:
Step 1, stamping parts B after the punching press of front there is straight flange B1, stamping parts B to be placed between upper mold 1 and lower die 2 simultaneously It is compressed and is limited by stamping parts compresses position-limit mechanism, at this time received the elastic lever of stamping parts compresses position-limit mechanism 393 It rises so that its angle between locating rod 39 is 0 °, it is avoided to stop that stamping parts B is placed into T-shaped support plate 392, will be rushed Casting die B is sleeved in locating rod 39 by its upper Positioning holes and is supported by T-shaped support plate 392;Start cylinder 33, cylinder 33 pushes gas Cylinder rod moves upwards, and cylinder pushes 35 one end of stamping member pressing lever to move up, and 35 other end of stamping member pressing lever is downward Mobile, stamping member pressing lever 35 is limited by U-shape passage slot 351 and the stamping parts pressure of stamping member pressing lever 35 Stamping parts B is finally withstood in tight portion, and compressed spring 391 is compressed;
Step 2, punching die 11 are pressed downward stamping parts B, and straight flange B1 is walked downwards along flanging arc side 2a1;Upper punch simultaneously First 11 have also been pressed in the stamping parts B on upper padding plate 24, and the wedge mechanism 8 on upper and lower die holder moves downward pushing away for generation by upper mold Power, the flanging arc side 2a1 that will be stretched to positioned at mold exterior flanging insert 86 on folding column 2a, and the straight flange B1 of stamping parts B is pressed In fact into flanging B2;
Step 3 rises upper mold, and elastic lever 393 is released so that its angle between locating rod 39 is 90 °, resistance Gear stamping parts B moves up stroke, avoids stamping parts B after stamping member pressing lever 35 is disconnected, compressed spring 391 is released It puts elastic force and crosses the collision that conference causes stamping parts B and other metal parts, stamping parts B is caused to be damaged;Stamping member pressing lever 35 Detached under the effect of cylinder 33 with stamping parts B, due to the presence of elastic lever 393, avoid stamping parts B during the jacking up with Stamping member pressing lever 35 or other component collide;Elastic lever 393 is packed up so that its folder between locating rod 39 Angle is 0 °, unloads stamping parts B;
Step 4, the folding column 2a with flanging arc side 2a1 is changed to folding column 2a with flange arc limit 2a2 or Directly using the second flange mold of the folding column 2a with flange arc limit 2a2;The flanging on 84 top of the second interlocking lever is inlayed simultaneously Block 86 replaces with flange insert 87;
Step 5:Stamping parts B with flanging B2 is placed between upper mold 1 and lower die 2 and passes through stamping parts compresses position-limit mechanism It is compressed and is limited;The elastic lever of stamping parts compresses position-limit mechanism 393 is packed up at this time so that it is between locating rod 39 Angle be 0 °, avoid its stop stamping parts B be placed into T-shaped support plate 392, its upper Positioning holes set will be passed through on stamping parts B It is supported in locating rod 39 and by T-shaped support plate 392;Start cylinder 33,33 pusher cylinder bar of cylinder moves upwards, and cylinder pushes 35 one end of stamping member pressing lever moves up, and 35 other end of stamping member pressing lever moves down, stamping member pressing lever 35 It is limited by U-shape passage slot 351 and the stamping parts compressed part of stamping member pressing lever 35 finally withstands stamping parts B, Compressed spring 391 is compressed;
Step 6, punching die 11 are pressed downward stamping parts B, and flanging B2 is walked downwards along flange arc limit 2a2;Upper punch simultaneously First 11 have also been pressed in the stamping parts B on upper padding plate 24, and the wedge mechanism 8 on upper and lower die holder moves downward pushing away for generation by upper mold Power, the flange arc limit 2a2 that will be stretched to positioned at mold exterior flange insert 87 on folding column 2a, and the flanging B2 of stamping parts B is pressed In fact into flange A1;
Step 7, after the completion of punching press, upper mold 1 rises, and nitrogen gas spring 29 and spring 28 push up lower clamp plate 23 and upper padding plate 24 It rises, flanging B2 can smoothly deviate from from lower die 2 at this time, and wedge mechanism 8 is returned to reset condition under the action of resetting spring;
Step 8, elastic lever 393 is released so that its angle between locating rod 39 is 90 °, blocking stamping parts B to Upper shift motion avoids stamping parts B after stamping member pressing lever 35 is disconnected, and it is excessive that compressed spring 391 discharges elastic force The collision of stamping parts B and other metal parts can be caused, stamping parts B is caused to be damaged;Stamping member pressing lever 35 is made in cylinder 33 It is detached with lower with stamping parts B, due to the presence of elastic lever 393, avoids stamping parts B and compressed during the jacking up with stamping parts Lever 35 or other component collide;
Step 9 packs up elastic lever 393 so that its angle between locating rod 39 is 0 °, is unloaded with flange A1 Stamping parts B.
A kind of controlling method for the pressing and limiting mechanism of a die stamping part, includes the following steps:
Step 1 packs up elastic lever (393) so that its angle between locating rod (39) is 0 °, avoids its blocking Stamping parts B is placed into T-shaped support plate 392;
Step 2 will be sleeved in locating rod (39) by its upper Positioning holes on stamping parts B and be propped up by T-shaped support plate (392) Support;
Step 3 starts cylinder (33), and cylinder (33) pusher cylinder bar moves upwards, and cylinder pushes stamping member pressing lever (35) one end moves up, and stamping member pressing lever (35) other end moves down, and stamping member pressing lever (35) passes through U-shaped logical Row slot (351) is limited and so that the stamping parts compressed part of stamping member pressing lever (35) finally withstands stamping parts B, compression bullet Spring (391) is compressed;
Step 4, upper mold downlink complete punching course and backhaul;
Step 5 releases elastic lever (393) so that its angle between locating rod (39) is 90 °, stops punching press Part B moves up stroke, avoids stamping parts B after stamping member pressing lever (35) is disconnected, compressed spring (391) release Elastic force crosses the collision that conference causes stamping parts B and other metal parts, and stamping parts B is caused to be damaged;
Step 6, stamping member pressing lever (35) detach under cylinder (33) effect with stamping parts B, due to elastic lever (393) presence avoids stamping parts B and collides during the jacking up with stamping member pressing lever (35) or other component;
Step 7 packs up elastic lever (393) so that its angle between locating rod (39) is 0 °, unloads stamping parts B。
A kind of mould punching part compresses position-limit mechanism, including cylinder (33), stamping member pressing lever (35), locating rod (39) And lever dolly (37), cylinder (33) one end are fixed on by cylinder fixing end (32) on die holder (21) side wall, cylinder (33) other end is connect by cylinder connecting screw (34) with one end of stamping member pressing lever (35), stamping member pressing lever (35) it is connect by pivot bolt (36) with lever dolly (37), lever dolly (37) is fixed on die holder (31) top surface, punching press The other end of part clamping lever (35) is stamping parts compressed part and is provided with U-shape passage slot (351), and locating rod (39) one end is fixed on On die holder (21) top surface, locating rod (39) other end is inserted into the U-shape passage slot (351), and locating rod (39) is across punching press Location hole on part B.Resilient protection part is coated with outside the stamping parts B compressed parts of stamping member pressing lever (35) other end (38), it is characterised in that:Locating rod (39) lower end is arranged with compressed spring (391), compressed spring (391) upper end connecting T-shaped branch Fagging (392), the vertical component effect of T-shaped support plate (392) are provided with through-hole, and locating rod (39) is across the through-hole, T-shaped support plate (392) Horizontal part be used to support stamping parts;Locating rod (39) upper end axially offers columnar placing groove (394), placing groove (394) upper end or lower end connect a connecting shaft (395), and connecting shaft (395) both ends are fixed on the cell wall of placing groove (394), bullet Property lever (393) is connect with connecting shaft (395), and elastic lever (393) is rotatable, and the folder between locating rod (39) Angle is in 0-90 ° of variation.
Further, the vertical portion exterior surface of T-shaped support plate (392) is equipped with screw thread, compressed spring (391) upper inside surface Equipped with screw thread, T-shaped support plate (392) passes through the fixation that is spirally connected with compressed spring (391).
Further, a bearing is fixed in elastic lever (393) one end, and the inner ring of the bearing is fixedly connected with connecting shaft (395).
A kind of side stamping die for shaping, including upper mold (1) and lower die (2), wherein, die holder is fixed with lower bolster on (21) (22), lower clamp plate (23) and upper padding plate (24) are fixed by screws in together, and the pedestal of nitrogen gas spring (29) is fixed on die holder (21) on, the piston rod of nitrogen gas spring (29) is withstood on lower clamp plate (23), and right inserting column (25) and left inserting column (27) are each attached to down On die holder (21), right inserting column (25) and left inserting column (27) sequentially pass through lower bolster (22), lower clamp plate (23) and upper padding plate (24), spring (28) is all inserted in left inserting column (27) and right inserting column (25), spring (28) is clamped in lower bolster (22) and lower folder Between plate (23), folding column (2a) be equipped with flanging arc side (2a1) or flange arc limit (2a2) be respectively acting on stamping parts (B) into Row flanging or flange, folding column (2a) is fixed on die holder (21) and sequentially passes through lower bolster (22), lower clamp plate (23) and upper The preset hole of backing plate (24), flanging arc side (2a1) is against the straight flange (B1) on stamping parts (B), and flange arc limit (2a2) is against punching press Flanging (B2) on part (B);Upper mold (1) is by punching die (11), ram block (12), upper mold lower bolster (13), upper mold holder (14), upper mold backboard (15), upper mold seat (16) and upper mold intermediolateral column (17) composition, punching die (11) are fixed on upper mold intermediolateral column (17) on, upper mold lower bolster (13) is fixed together with punching die (11), and ram block (12) is fixed on upper mold lower bolster (13) on, upper mold holder (14) and upper mold backboard (15) sleeve are in upper mold intermediolateral column (17), upper mold holder (14) and the upper mold back of the body Plate (15) is stacked together and is fixed together by screw and upper mold seat (16), and upper mold intermediolateral column (17) is solid with upper mold seat (16) It is scheduled on together, it is characterised in that:Further include the wedge mechanism (8) being arranged on upper and lower die holder, wedge mechanism (8) connection flanging When insert (86) or flange insert (87), flanging insert (86) or flange insert (87) do not work between upper and lower die holder, folding Side insert (86) is sent to the flanging arc side (2a1) in folding column (2a) by wedge mechanism (8) when working and presses stamping parts Being sent when closing flanging or flange insert (87) work by wedge mechanism (8) to the flange arc limit (2a2) in folding column (2a) will rush Casting die carries out pressing flange, saves layout space within the mold.
Further, the wedge mechanism (8) includes driving wedge (81), dynamic wedge (82), the first interlocking lever (83), Two interlocking levers (84) and third interlocking lever (85), the first interlocking lever (83) are L-type structure, and dynamic wedge (82) connects by first Spindle (832) and the first interlocking lever (83) intermediate position connects, and the first interlocking lever (83) one end is equipped with driving portion (831), and first Interlocking lever (83) other end is connect by third connecting shaft (842) with the second interlocking lever (84) upper end, under the second interlocking lever (84) End is connect by the second connecting shaft (841) with third interlocking lever (85) one end, and third interlocking lever (85) other end connects by the 4th Spindle (828) is connect with dynamic wedge (82);Driving wedge (81) is fixed on by connecting plate (811) on upper mold seat;Driving is oblique Side is equipped with driving inclined-plane (813) below wedge (81), and opposite side is equipped with interlocking lever drive block (814) below driving wedge (81), Driving portion (831) is acted on when upper mold does descending motion for interlocking lever drive block (814) so that the first interlocking lever (83) is around first Connecting shaft (832) rotates, and limited block (812) is additionally provided on driving wedge (81) side wall;Dynamic wedge (82) is arranged on die holder On, dynamic wedge (82) bottom is fixedly connected with sliding block (824), and sliding slot is correspondingly provided in the fixed seat (822) on die holder (825), sliding block (824) moves horizontally in sliding slot (825);Dynamic wedge (82) is provided with groove, is equipped with and driving in the groove Driving inclined-plane (813) the matching dynamic inclined-plane (821) of inclined wedge (81);Dynamic wedge (82) is consolidated with the spring in fixed seat (822) Determine to be connected with (the first back-moving spring (8271) between frame (827), be connected between dynamic wedge (82) and the first interlocking lever (83) Second back-moving spring (833);Second interlocking lever (84) is upright bar, and top is equipped with flanging insert (86) or flange insert (87).
Further, sliding slot (825) both ends are respectively equipped with rear positive stop (823) and front limit stop block (826) to by dynamic oblique Wedge (82) movement is limited.
Further, stamping parts compresses position-limit mechanism is additionally provided on equipped with die holder (21), the stamping parts compresses limiting Mechanism includes cylinder (33), stamping member pressing lever (35), locating rod (39) and lever dolly (37), and cylinder (33) one end leads to Cylinder fixing end (32) is crossed to be fixed on die holder (21) lateral wall, cylinder (33) other end by cylinder connecting screw (34) with One end connection of stamping member pressing lever (35), stamping member pressing lever (35) pass through pivot bolt (36) and lever dolly (37) Connection, lever dolly (37) are fixed on die holder (21) top surface, and the other end of stamping member pressing lever (35) is compressed for stamping parts Portion is simultaneously provided with U-shape passage slot (351), and locating rod (39) one end is fixed on die holder (21) top surface, locating rod (39) other end It is inserted into the U-shape passage slot (351), locating rod (39) is across the location hole on stamping parts (B).In order to adapt to stamping parts (B) Height, be cased with a pad bit slice (31) in locating rod (39), the stamping parts (B) of different height is placed on the pad bit slice of different-thickness (31) on.
The control method of the stamping die has the advantages that:
(1) present invention sets stamping parts compresses position-limit mechanism on die holder, and the stamping parts compresses position-limit mechanism is not only After can stamping parts be positioned, stamping parts can also be compressed, it is ensured that the stamping quality of stamping parts or even in punching press The effect of playing automatic safe discharging after the completion.
(2) stamping parts compresses position-limit mechanism of the present invention contains the function of discharging, saves layout space within the mold, Improve ram efficiency.
(3) wedge mechanism is arranged on die holder up and down by the present invention, and is not arranged in mould inside, is connected by double leval jib Mechanism so that flanging insert or flange insert on wedge mechanism can be moved both horizontally and vertically and entered down In the side correcting die of mold, thus the position that springs back of pressure stamping parts generated by mold itself passes through flanging Insert or flange insert and side correcting die attaching and compacting, and layout space within the mold is greatly saved.
(4) stamping parts is stamped and burned through the hemming in turn in the present invention, passes through two step stamping parts Quality it is more preferable than one-pass molding, punching precision higher.
Description of the drawings
Fig. 1:The structure diagram of stamping die main body of the present invention;
Fig. 2:The wedge mechanism structure diagram of stamping die of the present invention;
Fig. 3:Stamping die of the present invention carries out the structure diagram of flanging;
Fig. 4:Stamping die of the present invention carries out the structure diagram of flange;
Fig. 5:The first structure diagram of the stamping parts compresses position-limit mechanism of stamping die of the present invention;
Fig. 6:The top partial view diagram of Fig. 5;
Fig. 7:Second of structure diagram of inventive die stamping parts compresses position-limit mechanism.
Reference sign:
1-upper mold;11-punching die;111-punching module;12-ram block;13-upper mold lower bolster;14-on Die clamp plate;15-upper mold backboard;16-upper mold seat;17-upper mold intermediolateral column.
2-lower die;21-die holder;22-lower bolster;23-lower clamp plate;24-upper padding plate;25-right inserting column;27-left Inserting column;28-spring;29-nitrogen gas spring;2a-folding column;2a1-flanging arc side;2a2-flange arc limit.
3-stamping parts compresses position-limit mechanism;31-pad bit slice;32-cylinder fixing end;33-cylinder;34-cylinder connects Screw rod;35-stamping member pressing lever;351-U-shape passage slot;36-pivot bolt;37-lever dolly;38-resilient protection Part;39-locating rod;391-compressed spring;392-T-shaped support plate;393-elastic lever;394-placing groove;395-even Spindle.
8-wedge mechanism;81-driving wedge;811-connecting plate;812-limited block;813-driving inclined-plane;814— Interlocking lever drive block;82-dynamic wedge;821-dynamic inclined-plane;822-fixed seat;823-rear positive stop;824-sliding Block;825-sliding slot;826-front limit stop block;827-spring anchorage bracket;8271-(the first back-moving spring;828-the four connection Axis;83-the first interlocking lever;831-driving portion;832-the first connecting shaft;833-second back-moving spring;84-the second interlocks Bar;841-the second connecting shaft;842-third connecting shaft;85-third interlocking lever;86-flanging insert;861-flanging arc side; 87-flange insert;871-flange arc limit.
Specific embodiment
With reference to Fig. 1 to Fig. 7, the present invention will be further described:
As shown in Figure 1, first flange mold is made of upper mold 1 and lower die 2 in stamping die of the present invention, it is fixed in upper mold 1 Punching die 11.
The structure of lower die 2 is:Lower bolster 22 is fixed on die holder 21, lower clamp plate 23 and upper padding plate 24 are fixed by screw Together, the pedestal of nitrogen gas spring 29 is fixed on die holder 21, and the piston rod of nitrogen gas spring 29 is withstood on lower clamp plate 23, and the right side is inserted Column 25 and left inserting column 27 are each attached on die holder 21, and lower bolster 22, lower clamp plate 23 and upper padding plate 24 are inserted in 25 and of right inserting column In left inserting column 27,27 upper sleeve of left inserting column has spring 28, and the lower end of spring 28 is pressed on lower bolster 22, and the upper end of spring 28 is pressed in Under lower clamp plate 23, folding column 2a is fixed on die holder 21 and passes through the preset hole of lower bolster 22, lower clamp plate 23 and upper padding plate 24, Folding column 2a is equipped with flanging arc side 2a1 or flange arc limit 2a2, and flanging arc side 2a1 is against the straight flange B1 on stamping parts B.Flange Arc side 2a2 is against the flanging B2 on stamping parts B.Flanging arc side 2a1 is matched with the flanging arc side 861 in flanging insert 86, is turned over In arc, 2a2 is matched with the flange arc limit 871 in flange insert 87.
1 structure of upper mold is:By punching die 11, ram block 12, upper mold lower bolster 13, upper mold holder 14, upper mold backboard 15th, upper mold seat 16 and upper mold intermediolateral column 17 form, and punching die 11 is fixed in upper mold intermediolateral column 17, upper mold lower bolster 13 with it is upper Stamping head 11 is fixed together, and ram block 12 is fixed in upper mold lower bolster 13,15 sleeve of upper mold holder 14 and upper mold backboard In upper mold intermediolateral column 17, upper mold holder 14 and upper mold backboard 15 are stacked together and are fixed on one by screw and upper mold seat 16 It rises, upper mold intermediolateral column 17 is fixed together with upper mold seat 16.
Ram block 12 has two, and two ram blocks 12 are fixed by screws in respectively in upper mold lower bolster 13.Upper mold Punch 11 is fixed by screws in together with upper mold intermediolateral column 17.Upper mold lower bolster 13 is fixed by screws in punching die 11 Together.
As shown in Fig. 2, wedge mechanism 8 includes driving wedge 81, dynamic wedge 82, the first interlocking lever 83, the second interlocking lever 84 and third interlocking lever 85, the first interlocking lever 83 is L-type structure, and dynamic wedge 82 passes through the first connecting shaft 832 and the first company 83 intermediate position of lever connects, and 83 one end of the first interlocking lever is equipped with driving portion 831, and 83 other end of the first interlocking lever is connected by third Spindle 842 is connect with 84 upper end of the second interlocking lever, and 84 lower end of the second interlocking lever passes through the second connecting shaft 841 and third interlocking lever 85 One end connects, and 85 other end of third interlocking lever is connect by the fourth connecting shaft 828 with dynamic wedge 82;Driving wedge 81 passes through company Fishplate bar 811 is fixed on upper mold seat;81 lower section side of driving wedge is equipped with driving inclined-plane 813,81 lower section opposite side of driving wedge Equipped with interlocking lever drive block 814, driving portion 831 is acted on when upper mold does descending motion for interlocking lever drive block 814 so that first connects Lever 83 is rotated around the first connecting shaft 832, and limited block 812 is additionally provided on 81 side wall of driving wedge;Dynamic wedge 82 is arranged on On die holder, 82 bottom of dynamic wedge is fixedly connected with sliding block 824, and sliding slot is correspondingly provided in the fixed seat 822 on die holder 825, sliding block 824 moves horizontally in sliding slot 825, and 825 both ends of sliding slot are respectively equipped with rear positive stop 823 and front limit stop block 826 pairs of movements of dynamic wedge 82 limit;Dynamic wedge 82 is provided with groove, and the driving with driving wedge 81 is equipped in the groove Inclined-plane 813 matches dynamic inclined-plane 821;It is multiple that first is connected between spring anchorage bracket 827 in dynamic wedge 82 and fixed seat 822 Position spring 8271, is connected with second back-moving spring 833 between 82 and first interlocking lever 83 of dynamic wedge;Second interlocking lever 84 is vertical Bar, top are equipped with flanging insert 86 or flange insert 87.
Wherein, the fixing end of the first connecting shaft 832 is located in dynamic wedge 82, and the fixing end of the second connecting shaft 841 is located at On second interlocking lever 84, the fixing end of third connecting shaft 842 is located on the second interlocking lever 84, the fixing end of the fourth connecting shaft 828 In dynamic wedge 82.
The operation principle of wedge mechanism 8 is as follows:
When upper mold downlink, the interlocking lever drive block 814 of the driving wedge 81 on upper mold seat 16 pushes down on driving first Portion 831, the first interlocking lever 83 is under the action principle of lever, and the other end is by the second connecting shaft 841 by the second interlocking lever 84 It lifts, flanging insert 86 is also lifted.
Driving wedge 81 continues traveling downwardly, and limited block 812 withstands the state that the holding of the first interlocking lever 83 is lifted.
When the driving inclined-plane 813 of driving wedge 81 acts on the dynamic inclined-plane 821 of dynamic wedge 82, dynamic wedge 82 to Second interlocking lever, 84 direction is moved, but also flanging arc side 2a1 direction movement of the flanging insert 86 on folding column 2a, and it is final The flanging arc side 2a1 attaching and compactings on flanging arc side 861 and folding column 2a that stamping parts B flangings are passed through into flanging insert 86.
After side shaping is completed, upper mold uplink causes driving wedge 81 to be detached with dynamic wedge 82, the first interlocking lever 83 It is resetted under the action of second back-moving spring 833, dynamic wedge 82 is answered under the action of (the first back-moving spring 8271 Position.
As shown in figure 3, the flanging arc on the flanging arc side 861 and folding column 2a that stamping parts B flangings pass through flanging insert 86 Side 2a1 attaching and compactings, and form flanging B1.
As shown in figure 4, the structure of the second flange mold is identical with the structure of the first flange mold, the only flanging on folding column 2a Arc side 2a1 replaces with flange arc limit 2a2.Flange insert 87 is changed on corresponding wedge mechanism 8.The flange flanging of flange insert 87 Flange arc limit 2a2 attaching and compactings on 871 and folding column 2a, and form flange A1.
In addition, punching module 111 matched with the cavity of the blanking on the stamping parts B is fixed in punching die 11.Under Backing plate 22 is fixed together by screw and die holder 21.Right inserting column 25 and left inserting column 27 have two.Folding column 2a has two. Nitrogen gas spring 29 has two.
As it can be seen in figures 5 and 6, stamping parts compresses position-limit mechanism 3 includes cylinder 33, stamping member pressing lever 35, locating rod 39 And lever dolly 37,33 one end of cylinder are fixed on by cylinder fixing end 32 on 21 side wall of die holder, 33 other end of cylinder leads to One end that cylinder connecting screw 34 is crossed with stamping member pressing lever 35 is connect, stamping member pressing lever 35 by pivot bolt 36 with Lever dolly 37 connects, and lever dolly 37 is fixed on 21 top surface of die holder, and the other end of stamping member pressing lever 35 is stamping parts Compressed part is simultaneously provided with U-shape passage slot 351, and 39 one end of locating rod is fixed on 21 top surface of die holder, and 39 other end of locating rod is inserted into In the U-shape passage slot 351, locating rod 39 passes through the location hole on stamping parts B.The punching press of 35 other end of stamping member pressing lever Resilient protection part 38 is coated with outside part B compressed parts.
In order to adapt to the height of stamping parts B, a pad bit slice 31 is cased in locating rod 39.
The operation principle of stamping parts compresses position-limit mechanism is:On stamping parts B locating rod 39 will be sleeved on by its upper Positioning holes On;Then, start cylinder 33,33 pusher cylinder bar of cylinder moves upwards, and cylinder pushes 35 one end of stamping member pressing lever upward Mobile, 35 other end of stamping member pressing lever moves down, and stamping member pressing lever 35 is limited by U-shape passage slot 351 And the stamping parts compressed part of stamping member pressing lever 35 is caused finally to withstand stamping parts B.
As shown in fig. 7, stamping parts compresses position-limit mechanism of the present invention is also there are another structure, by the work(of safe discharging Effect is integrated wherein, further saves the arrangement space of mold, improves mould punching efficiency.Its structure is as follows:
Stamping parts compresses position-limit mechanism 3 includes cylinder 33, stamping member pressing lever 35, locating rod 39 and lever dolly 37,33 one end of cylinder is fixed on by cylinder fixing end 32 on 21 side wall of die holder, and 33 other end of cylinder connects spiral shell by cylinder Bar 34 is connect with one end of stamping member pressing lever 35, and stamping member pressing lever 35 is connected by pivot bolt 36 and lever dolly 37 It connects, lever dolly 37 is fixed on 21 top surface of die holder, and the other end of stamping member pressing lever 35 for stamping parts compressed part and is provided with U Type current groove 351,39 one end of locating rod are fixed on 21 top surface of die holder, and 39 other end of locating rod is inserted into the U-shape passage slot In 351, locating rod 39 passes through the location hole on stamping parts B.Outside the stamping parts B compressed parts of 35 other end of stamping member pressing lever It is coated with resilient protection part 38.
39 lower end of locating rod is arranged with compressed spring 391,391 upper end connecting T-shaped support plate 392 of compressed spring, T-shaped support The vertical portion exterior surface of plate 392 is equipped with screw thread, and 391 upper inside surface of compressed spring also is provided with screw thread, T-shaped support plate 392 and pressure Contracting spring 391 passes through the fixation that is spirally connected.The vertical component effect of T-shaped support plate 392 is provided with through-hole, and locating rod 39 passes through the through-hole.T-shaped support The horizontal part of plate 392 is used to support stamping parts.
39 upper end of locating rod axially offers columnar placing groove 394, and 394 upper end of placing groove or lower end connection one connect Spindle 395,395 both ends of connecting shaft are fixed on the cell wall of placing groove 394, and a bearing is fixed in 393 one end of elastic lever, the bearing Inner ring be fixedly connected with connecting shaft 395.Elastic lever 393 is rotatable, and the angle between locating rod 39 is in 0- 90 ° of variations.
The method of work of stamping parts compresses position-limit mechanism of the present invention is:
First, elastic lever 393 is packed up so that its angle between locating rod 39 is 0 °, it is avoided to stop punching press Part B is placed into T-shaped support plate 392;It will be sleeved in locating rod 39 and by T-shaped support plate by its upper Positioning holes on stamping parts B 392 supports;Then, start cylinder 33,33 pusher cylinder bar of cylinder moves upwards, and cylinder pushes 35 one end of stamping member pressing lever It moves up, 35 other end of stamping member pressing lever moves down, and stamping member pressing lever 35 is carried out by U-shape passage slot 351 It limits and so that the stamping parts compressed part of stamping member pressing lever 35 finally withstands stamping parts B, compressed spring 391 is compressed;So Upper mold downlink completes punching course and backhaul afterwards;
Secondly, elastic lever 393 is released so that its angle between locating rod 39 is 90 °, blocking stamping parts B to Upper shift motion avoids stamping parts B after upper mold and stamping member pressing lever 35 detach, and compressed spring 391 discharges elastic force mistake The collision of stamping parts B and other metal parts can be caused when big, stamping parts B is caused to be damaged;
Again, stamping member pressing lever 35 detaches under the effect of cylinder 33 with stamping parts B, due to depositing for elastic lever 393 It is avoiding stamping parts B and is colliding during the jacking up with stamping member pressing lever 35 or other component;
Finally, elastic lever 393 is packed up so that its angle between locating rod 39 is 0 °, unloads stamping parts B.
The method of work of stamping die of the present invention is as follows:
Step 1, stamping parts B after the punching press of front there is straight flange B1, stamping parts B to be placed between upper mold 1 and lower die 2 simultaneously It is compressed and is limited by stamping parts compresses position-limit mechanism, at this time received the elastic lever of stamping parts compresses position-limit mechanism 393 It rises so that its angle between locating rod 39 is 0 °, it is avoided to stop that stamping parts B is placed into T-shaped support plate 392, will be rushed It is sleeved in locating rod 39 by its upper Positioning holes on casting die B and is supported by T-shaped support plate 392;Start cylinder 33, cylinder 33 pushes Cylinder rod moves upwards, and cylinder pushes stamping member pressing lever 35 one end to move up, 35 other end of stamping member pressing lever to Lower movement, stamping member pressing lever 35 is limited by U-shape passage slot 351 and the stamping parts of stamping member pressing lever 35 Compressed part finally withstands stamping parts B, and compressed spring 391 is compressed;
Step 2, punching die 11 are pressed downward stamping parts B, and straight flange B1 is walked downwards along flanging arc side 2a1;Upper punch simultaneously First 11 have also been pressed in the stamping parts B on upper padding plate 24, and the wedge mechanism 8 on upper and lower die holder moves downward pushing away for generation by upper mold Power, the flanging arc side 2a1 that will be stretched to positioned at mold exterior flanging insert 86 on folding column 2a, and the straight flange B1 of stamping parts B is pressed In fact into flanging B2;
Step 3 rises upper mold, and elastic lever 393 is released so that its angle between locating rod 39 is 90 °, resistance Gear stamping parts B moves up stroke, avoids stamping parts B after stamping member pressing lever 35 is disconnected, compressed spring 391 is released It puts elastic force and crosses the collision that conference causes stamping parts B and other metal parts, stamping parts B is caused to be damaged;Stamping member pressing lever 35 Detached under the effect of cylinder 33 with stamping parts B, due to the presence of elastic lever 393, avoid stamping parts B during the jacking up with Stamping member pressing lever 35 or other component collide;Elastic lever 393 is packed up so that its folder between locating rod 39 Angle is 0 °, unloads stamping parts B;
Step 4, the folding column 2a with flanging arc side 2a1 is changed to folding column 2a with flange arc limit 2a2 or Directly using the second flange mold of the folding column 2a with flange arc limit 2a2;The flanging on 84 top of the second interlocking lever is inlayed simultaneously Block 86 replaces with flange insert 87.
Step 5:Stamping parts B with flanging B2 is placed between upper mold 1 and lower die 2 and passes through stamping parts compresses position-limit mechanism It is compressed and is limited;The elastic lever of stamping parts compresses position-limit mechanism 393 is packed up at this time so that it is between locating rod 39 Angle be 0 °, avoid its stop stamping parts B be placed into T-shaped support plate 392, its upper Positioning holes set will be passed through on stamping parts B It is supported in locating rod 39 and by T-shaped support plate 392;Start cylinder 33,33 pusher cylinder bar of cylinder moves upwards, and cylinder pushes 35 one end of stamping member pressing lever moves up, and 35 other end of stamping member pressing lever moves down, stamping member pressing lever 35 It is limited by U-shape passage slot 351 and the stamping parts compressed part of stamping member pressing lever 35 finally withstands stamping parts B, Compressed spring 391 is compressed;
Step 6, punching die 11 are pressed downward stamping parts B, and flanging B2 is walked downwards along flange arc limit 2a2;Upper punch simultaneously First 11 have also been pressed in the stamping parts B on upper padding plate 24, and the wedge mechanism 8 on upper and lower die holder moves downward pushing away for generation by upper mold Power, the flange arc limit 2a2 that will be stretched to positioned at mold exterior flange insert 87 on folding column 2a, and the flanging B2 of stamping parts B is pressed In fact into flange A1;
Step 7, after the completion of punching press, upper mold 1 rises, and nitrogen gas spring 29 and spring 28 push up lower clamp plate 23 and upper padding plate 24 It rises, flanging B2 can smoothly deviate from from lower die 2 at this time, and wedge mechanism 8 is returned to reset condition under the action of resetting spring; Meanwhile elastic lever 393 is released so that its angle between locating rod 39 is 90 °, and blocking stamping parts B moves up row Journey avoids stamping parts B after stamping member pressing lever 35 is disconnected, and the release elastic force of compressed spring 391 crosses conference and causes to rush The collision of casting die B and other metal parts, cause stamping parts B to be damaged;Stamping member pressing lever 35 cylinder 33 effect under with punching Casting die B is detached, due to the presence of elastic lever 393, avoid stamping parts B during the jacking up with stamping member pressing lever 35 or Other component collides;Elastic lever 393 is packed up so that its angle between locating rod 39 is 0 °, unloads to have and turn over The stamping parts B of side A1.
Stamping parts B, using the second flange die stamping, flanging B2 is pressed into Fig. 4 after the first flange die stamping Shown flange A1, this completes flange punching presses.
If disposably gone out flange A1 using the second flange mold, there are the problems of mechanical strength of flange, the present invention Using straight flange B1 first is struck out flanging B2, the mode of flange A1 is then struck out again, can ensure the machinery of flange A1 in this way Intensity.
The demoulding principle of second flange mold is while upper used in the second flange mold as the demoulding principle of the first flange mold Mould 1 and 1 structure of upper mold used in the first flange mold are also identical.
Illustrative description is carried out to the present invention above in conjunction with attached drawing, it is clear that realization of the invention is not by aforesaid way Limitation, as long as employ the inventive concept and technical scheme of the present invention progress various improvement or it is not improved will be of the invention Design and technical solution directly apply to other occasions, within the scope of the present invention.

Claims (1)

1. a kind of control method of stamping die, includes the following steps:
Step 1, stamping parts (B) have straight flange (B1) after the punching press of front, and stamping parts (B) is placed in upper mold (1) and lower die (2) Between and pass through stamping parts compresses position-limit mechanism and compressed and limited, at this time by the elastic lever of stamping parts compresses position-limit mechanism (393) it packs up so that its angle between locating rod (39) is 0 °, it is avoided to stop that stamping parts (B) is placed into T-shaped support plate (392) on, stamping parts (B) is sleeved on by its upper Positioning holes in locating rod (39) and is supported by T-shaped support plate (392);Start Cylinder (33), cylinder (33) pusher cylinder bar move upwards, and cylinder pushes stamping member pressing lever (35) one end to move up, and rush Casting die clamping lever (35) other end moves down, and stamping member pressing lever (35) is limited simultaneously by U-shape passage slot (351) So that the stamping parts compressed part of stamping member pressing lever (35) finally withstands stamping parts (B), compressed spring (391) is compressed;
Step 2, punching die (11) are pressed downward stamping parts (B), and straight flange (B1) is walked downwards along flanging arc side (2a1);On simultaneously Stamping head (11) has also been pressed in the stamping parts (B) on upper padding plate (24), and the wedge mechanism (8) on upper and lower die holder is downward by upper mold The thrust generated to its dynamic wedge (82) is moved, the folding that mold exterior flanging insert (86) is stretched in folding column (2a) will be located at In arc (2a1), and the straight flange (B1) of stamping parts (B) is compacted into flanging (B2);
Step 3 rises upper mold, and elastic lever (393) is released so that its angle between locating rod (39) is 90 °, resistance Gear stamping parts (B) moves up stroke, avoids stamping parts (B) after stamping member pressing lever (35) is disconnected, compresses bullet Spring (391) release elastic force crosses the collision that conference causes stamping parts (B) and other metal parts, causes stamping parts (B) impaired;Punching press Part clamping lever (35) detaches under cylinder (33) effect with stamping parts (B), due to the presence of elastic lever (393), avoids Stamping parts (B) collides during the jacking up with stamping member pressing lever (35) or other component;Elastic lever (393) is received It rises so that its angle between locating rod (39) is 0 °, unloads stamping parts (B);
Folding column (2a) with flanging arc side (2a1) is changed to the folding column (2a) with flange arc limit (2a2) by step 4, Or directly using the second flange mold of the folding column (2a) with flange arc limit (2a2);The second interlocking lever (84) is pushed up simultaneously The flanging insert (86) at end replaces with flange insert (87);
Step 5:Stamping parts (B) with flanging (B2) is placed between upper mold (1) and lower die (2) and is compressed by stamping parts and limited Mechanism is compressed and is limited;The elastic lever of stamping parts compresses position-limit mechanism (393) is packed up at this time so that itself and locating rod (39) angle between is 0 °, it is avoided to stop that stamping parts (B) is placed into T-shaped support plate (392), will be led on stamping parts (B) Its upper Positioning holes is crossed to be sleeved in locating rod (39) and supported by T-shaped support plate (392);Start cylinder (33), cylinder (33) pushes Cylinder rod moves upwards, and cylinder pushes stamping member pressing lever (35) one end to move up, and stamping member pressing lever (35) is another End moves down, and stamping member pressing lever (35) is limited by U-shape passage slot (351) and stamping member pressing lever (35) stamping parts compressed part finally withstands stamping parts (B), and compressed spring (391) is compressed;
Step 6, punching die (11) are pressed downward stamping parts (B), and flanging (B2) is walked downwards along flange arc limit (2a2);On simultaneously Stamping head (11) has also been pressed in the stamping parts (B) on upper padding plate (24), and the wedge mechanism (8) on upper and lower die holder is downward by upper mold The thrust generated is moved, the flange arc limit (2a2) that mold exterior flange insert (87) is stretched in folding column (2a) will be located at, and will The flanging (B2) of stamping parts (B) is compacted into flange (A1);
Step 7, after the completion of punching press, upper mold (1) rises, and nitrogen gas spring (29) and spring (28) are by lower clamp plate (23) and upper padding plate (24) it jacks up, flanging (B2) can smoothly be deviate from from lower die (2) at this time, and wedge mechanism (8) returns under the action of resetting spring Reset condition is arrived again;
Step 8, elastic lever (393) is released so that its angle between locating rod (39) is 90 °, blocking stamping parts (B) Stroke is moved up, avoids stamping parts (B) after stamping member pressing lever (35) is disconnected, compressed spring (391) release Elastic force crosses the collision that conference causes stamping parts (B) and other metal parts, causes stamping parts (B) impaired;Stamping member pressing lever (35) it is detached under cylinder (33) effect with stamping parts (B), due to the presence of elastic lever (393), avoids stamping parts (B) top It collides during rising with stamping member pressing lever (35) or other component;
Step 9 packs up elastic lever (393) so that its angle between locating rod (39) is 0 °, is unloaded with flange (A1) stamping parts (B).
CN201410492670.XA 2014-09-24 2014-09-24 A kind of control method of stamping die Active CN104289578B (en)

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CN201810317972.1A CN108213148A (en) 2014-09-24 2014-09-24 A kind of stamping die
CN201810316830.3A CN108421864A (en) 2014-09-24 2014-09-24 A kind of diel
CN201810354233.XA CN108326101A (en) 2014-09-24 2014-09-24 A kind of diel
CN201410492670.XA CN104289578B (en) 2014-09-24 2014-09-24 A kind of control method of stamping die
CN201810354234.4A CN108526268A (en) 2014-09-24 2014-09-24 A kind of controlling method for the pressing and limiting mechanism of a die stamping part

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CN201810354234.4A Division CN108526268A (en) 2014-09-24 2014-09-24 A kind of controlling method for the pressing and limiting mechanism of a die stamping part
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CN108326101A (en) 2018-07-27
CN104289578A (en) 2015-01-21

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