CN103934357A - Floating cantilever type punching die - Google Patents

Floating cantilever type punching die Download PDF

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Publication number
CN103934357A
CN103934357A CN201410198974.5A CN201410198974A CN103934357A CN 103934357 A CN103934357 A CN 103934357A CN 201410198974 A CN201410198974 A CN 201410198974A CN 103934357 A CN103934357 A CN 103934357A
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CN
China
Prior art keywords
punch
cantilever
die shoe
stripper
spring
Prior art date
Application number
CN201410198974.5A
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Chinese (zh)
Inventor
皮体斌
Original Assignee
四川中邦模具有限公司
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Publication date
Application filed by 四川中邦模具有限公司 filed Critical 四川中邦模具有限公司
Priority to CN201410198974.5A priority Critical patent/CN103934357A/en
Publication of CN103934357A publication Critical patent/CN103934357A/en

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Abstract

The invention discloses a floating cantilever type punching die. An oblique block is arranged between an upper die base and a lower die base and fixed with the upper die base, a discharging plate is arranged between the oblique block and the lower die base and upward protrudes to form a convex head, a groove is formed in the oblique block in a recessed mode, a cantilever is arranged between the discharging plate and the lower die base, a male die I is arranged between the cantilever and the lower die base, a guide column I is arranged in the cantilever and extends into the lower die base, a limiting block is fixed on the guide column I, a limiting barrel is arranged between the cantilever and the lower die base, a spring I is arranged in the limiting barrel, and the guide column I penetrates the spring I and the limiting barrel. A male die II is arranged in the cantilever and vertically faces the side wall of the groove, a deep groove is formed in the convex head in a recessed mode, the male die II penetrates the deep groove and is sleeved by a press plate, the press plate is arranged between the discharging plate and the groove, and the outer wall of the male die II is sleeved by a spring II. The punching die utilizes a floating cantilever type structure to perform punching, the punching quality is high, and a workpiece is convenient to take and put.

Description

Cantilever type punching die tool floats
Technical field
The present invention relates to a kind of mould, especially relate to a kind of unsteady cantilever type punching die tool.
Background technology
Mould, is the instrument for formed article, and this instrument consists of various parts.It mainly realizes the processing of article profile by the change of institute's moulding material physical state.Conventionally use in industry, in order to injection moulding, blowing, extrude, various moulds and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.Mould kind is a lot, can be divided into: the mould of the mould of processing metal and machining of non-metallic and powder metallurgy according to processing object and processing technology.By the difference of the material of institute's moulding, mould can be divided into hardware dies, plastic mould, with and special dies.According to design feature, mould can be divided into again the blanking die of plane and have the swaging die in space.Make under external force blank become the instrument of the product that has given shape and size.Be widely used in stamping-out, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and during the compression moulding of goods such as engineering plastics, rubber, pottery or the shaping of injection moulding process.Mould has specific profile or cavity shape, and the contour shape that application has cutting edge can make blank, by outline line shape, separated (stamping-out) occur.Application cavity shape can make blank obtain corresponding three-dimensional shape.Mould generally comprises dynamic model and two parts of cover half (or punch and die), the two partable.In the time of separately, take out product, while closing up, make blank inject mold cavity and be shaped.Mould is precision instrument, complex-shaped, bears the expansive force of blank, and structural strength, rigidity, case hardness, surface roughness and machining accuracy are all had higher requirements, and the development level that mould is produced is one of important symbol of machine-building level.Mould, except itself, also needs die holder, mould bases, guider and product liftout attachment etc., and these parts are generally all made universal.The punch work of vibrator motor fan housing, adopts cantilevered single hole blanking die now, and on barrel, 3 uniform holes are gone out by 3 strokes respectively.After having rushed first hole, blank is rotated to 120 °, when alignment pin inserts behind the hole having rushed, rush successively second and third hole, this Mould operation inconvenience, turning of work piece effort, labour intensity is large, and efficiency is low.Adopt in addition horizontal perforating die, utilize wedge and slide block to complete 3 hole stamping-outs, but workpiece picks and places inconvenience, poor stability simultaneously.
Summary of the invention
The object of the invention is to overcome many problems that affects quality and efficiency that above-mentioned existing mold occurs on the punching of motor fan housing, designed a kind of unsteady cantilever type punching die tool, the unsteady cantilever structure of this punching die utilization carrys out punching, punching quality is high, workpiece picks and places conveniently, has solved many problems that affects quality and efficiency that existing mold occurs on the punching of motor fan housing.
Object of the present invention is achieved through the following technical solutions: cantilever type punching die tool floats, comprise upper bolster and be arranged on the die shoe under upper bolster, between described upper bolster and die shoe, be provided with skewback, the top of skewback and the bottom of upper bolster are fixed, between skewback and die shoe, be provided with stripper, the center of the stripper formation plush copper that raises up, skewback becomes the groove of isosceles trapezoid body structure near one end concave shaped of stripper, plush copper be arranged on groove under, between stripper and die shoe, be provided with cantilever, between cantilever and die shoe, be provided with punch one, one end and the die shoe of punch one are fixed, the other end is near cantilever, on the outer wall of punch one, be sheathed with rubber layer, the two ends of rubber layer contact with cantilever with die shoe respectively, in cantilever, be provided with guide pillar one, the bottom of guide pillar one extend in die shoe through after cantilever, top is arranged on cantilever top, and the top of guide pillar one is fixed with limited block, the face size of limited block is greater than the face size of guide pillar one, between cantilever and die shoe, be provided with position-limiting drum, in position-limiting drum, be provided with spring one, guide pillar one is through spring one and position-limiting drum, and the two ends of spring one are arranged between cantilever and die shoe, in cantilever, be provided with two punch two, punch two is symmetrical along plumb line, punch two be arranged on plush copper under, one end of punch two is through the vertical sidewall towards groove after stripper, the outer wall indent of plush copper forms two deep trouths, punch two is through corresponding deep trouth, and be sheathed with pressing plate on punch two outer walls, pressing plate is arranged between stripper and groove, and pressing plate seals the openend of deep trouth completely, on punch two outer walls, be sheathed with spring two, spring two is arranged in corresponding deep trouth, and the two ends of spring two are all arranged between the bottom of deep trouth and the end face of pressing plate.
On the outer wall of described skewback, be sheathed with fixed head, the top of fixed head and the bottom of upper bolster are fixed, in fixed head, be provided with alignment pin, the two ends of alignment pin are separately positioned in fixed head and upper bolster, in upper bolster, be provided with unloading bolt, unloading bolt one end is arranged in stripper through after fixed head, is sheathed with spring three on unloading bolt outer wall, the two ends of spring three are all arranged between fixed head and stripper, and fixed head is arranged between alignment pin and unloading bolt.
On the top end face of described die shoe, be fixed with guide pillar two, the bottom of guide pillar two is vertical with the top end face of die shoe fixing, and stripper is passed on top, and in stripper, is provided with guide pin bushing, and guide pillar two is through guide pin bushing, and the dead in line of the axis of guide pin bushing and guide pillar two.
On the outer wall of described punch one, be sheathed with punch retainer, the bottom of punch retainer and the top of die shoe are fixed, the top of punch retainer and the bottom of rubber layer are fixed, in cantilever, be provided with punch insert, the bottom of punch insert contacts with the top of rubber layer, and punch one is through punch insert.
In sum, the invention has the beneficial effects as follows: the unsteady cantilever structure of this punching die utilization carrys out punching, and punching quality is high, and workpiece picks and places conveniently, has solved many problems that affects quality and efficiency that existing mold occurs on the punching of motor fan housing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial sectional view of Fig. 1.
Mark and corresponding parts title in accompanying drawing: 1-die shoe; 2-punch one; 3-punch retainer; 4-rubber layer; 5-punch insert; 6-cantilever; 7-limited block; 8-guide pillar one; 9-spring one; 10-position-limiting drum; 11-stripper; 12-guide pin bushing; 13-guide pillar two; 14-fixed head; 15-alignment pin; 16-upper bolster; 17-punch two; 18-skewback; 19-pressing plate; 20-spring two; 21-unloading bolt; 22-spring three; 23-deep trouth; 24-plush copper.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As Fig. 1, shown in Fig. 2, cantilever type punching die tool floats, comprise upper bolster 16 and be arranged on the die shoe 1 under upper bolster 16, between described upper bolster 16 and die shoe 1, be provided with skewback 18, the bottom of the top of skewback 18 and upper bolster 16 is fixed, between skewback 18 and die shoe 1, be provided with stripper 11, the center of stripper 11 raises up and forms plush copper 24, skewback 18 becomes the groove of isosceles trapezoid body structure near one end concave shaped of stripper 11, plush copper 24 be arranged on groove under, between stripper 11 and die shoe 1, be provided with cantilever 6, between cantilever 6 and die shoe 1, be provided with punch 1, one end of punch 1 and die shoe 1 are fixing, the other end is near cantilever 6, on the outer wall of punch 1, be sheathed with rubber layer 4, the two ends of rubber layer 4 contact with cantilever 6 with die shoe 1 respectively, in cantilever 6, be provided with guide pillar 1, the bottom of guide pillar 1 extend in die shoe 1 through after cantilever 6, top is arranged on cantilever 6 tops, and the top of guide pillar 1 is fixed with limited block 7, the face size of limited block 7 is greater than the face size of guide pillar 1, between cantilever 6 and die shoe 1, be provided with position-limiting drum 10, in position-limiting drum 10, be provided with spring 1, guide pillar 1 is through spring 1 and position-limiting drum 10, and the two ends of spring 1 are arranged between cantilever 6 and die shoe 1, in cantilever 6, be provided with two punch 2 17, punch 2 17 is symmetrical along plumb line, punch 2 17 be arranged on plush copper 24 under, one end of punch 2 17 is through the rear vertical sidewall towards groove of stripper 11, the outer wall indent of plush copper 24 forms two deep trouths 23, punch 2 17 is through corresponding deep trouth 23, and be sheathed with pressing plate 19 on punch 2 17 outer walls, pressing plate 19 is arranged between stripper 11 and groove, and pressing plate 19 seals the openend of deep trouth 23 completely, on punch 2 17 outer walls, be sheathed with spring 2 20, spring 2 20 is arranged in corresponding deep trouth 23, and the two ends of spring 2 20 are all arranged between the bottom of deep trouth 23 and the end face of pressing plate 19.ZN50C type vibrator motor fan housing, material 08F, expects thick t=1mm, has 3 uniform mounting holes on barrel, is the erection opening of fan housing, hole shape dimension precision requirement is not high, but requires the axial distance consistent (16mm) in 3 holes.Two punch 2 17 are fixed on elasticity stripper 11, and a punch 1 is fixed on the punch retainer of counterdie, and female die embedding is embedded on cantilever 6.Cantilever 6 can slide up and down along guide pillar 1, and the scope sliding up and down is regulated by limited block 7, position-limiting drum 10.During work, patrix is descending, and first stripper 11 contacts with cantilever 6, and oppresses cantilever and glide, and punch 1 completes the first hole stamping-out.Patrix continues descending, and cantilever 6 is encountered limited block 7 and stopped gliding, and now, skewback 18 contacts with punch 2 17 and pressing punch 2 17 to go out two other hole.After having worked, patrix is up, first skewback 18 leaves punch 2 17, spring 2 20 first resets punch 2 17, patrix continues up, stripper 11 is just followed up and is left cantilever, and rubber layer 4 and spring 1 hold up cantilever 6, then take out workpiece, the unsteady cantilever structure of this punching die utilization carrys out punching, easy to operate, labour intensity is low, and punching quality is high, workpiece picks and places conveniently, high punching efficiency, security performance is high, has solved many problems that affects quality and efficiency that existing mold occurs on the punching of motor fan housing.
On the outer wall of described skewback 18, be sheathed with fixed head 14, the bottom of the top of fixed head 14 and upper bolster 16 is fixed, in fixed head 14, be provided with alignment pin 15, the two ends of alignment pin 15 are separately positioned in fixed head 14 and upper bolster 16, in upper bolster 16, be provided with unloading bolt 21, unloading bolt 21 one end are arranged in stripper 11 through after fixed head 14, on unloading bolt 21 outer walls, be sheathed with spring 3 22, the two ends of spring 3 22 are all arranged between fixed head 14 and stripper 11, and fixed head 14 is arranged between alignment pin 15 and unloading bolt 21.Fixed head 14 and upper bolster 16 are also fixed by trip bolt, it is also that fixed head 14 and upper bolster 16 are fixed that alignment pin 15 is set simultaneously, increase fixing fastness, unloading bolt 21 is that the Position Approximate of stripper is fixed simultaneously, punch process is to realize by the variable of spring, when needs draw off workpiece, turn unloading bolt 21 stripper 11 and fixed head 14 are disengaged completely, workpiece can be taken out.
On the top end face of described die shoe 1, be fixed with guide pillar 2 13, the bottom of guide pillar 2 13 is vertical fixing with the top end face of die shoe 1, and stripper 11 is passed on top, and in stripper 11, is provided with guide pin bushing 12, guide pillar 2 13 is through guide pin bushing 12, and the dead in line of the axis of guide pin bushing 12 and guide pillar 2 13.Guide pillar 2 13 is to guarantee that in the moving process of stripper 11 be all the time on same straight line, the hole uniform quality that punch process obtains, and especially, in the high volume production process of enterprise, this point is very important.
On the outer wall of described punch 1, be sheathed with punch retainer 3, the top of the bottom of punch retainer 3 and die shoe 1 is fixed, the bottom of the top of punch retainer 3 and rubber layer 4 is fixed, in cantilever 6, be provided with punch insert 5, the bottom of punch insert 5 contacts with the top of rubber layer 4, and punch 1 is through punch insert 5.Punch retainer 3, as the position of punch 1 is fixed, is avoided producing and moving in punching forming process, causes can't meet the quality requirement of punching, and punch insert 5 is tops of protection punch 1, prevents from repeatedly in punch process, occurring damaging.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.

Claims (4)

1. cantilever type punching die tool floats, it is characterized in that: comprise upper bolster (16) and be arranged on the die shoe (1) under upper bolster (16), between described upper bolster (16) and die shoe (1), be provided with skewback (18), the bottom of the top of skewback (18) and upper bolster (16) is fixed, between skewback (18) and die shoe (1), be provided with stripper (11), the center of stripper (11) raises up and forms plush copper (24), skewback (18) becomes the groove of isosceles trapezoid body structure near one end concave shaped of stripper (11), plush copper (24) be arranged on groove under, between stripper (11) and die shoe (1), be provided with cantilever (6), between cantilever (6) and die shoe (1), be provided with punch one (2), one end of punch one (2) and die shoe (1) are fixing, the other end is near cantilever (6), on the outer wall of punch one (2), be sheathed with rubber layer (4), the two ends of rubber layer (4) contact with cantilever (6) with die shoe (1) respectively, in cantilever (6), be provided with guide pillar one (8), the bottom of guide pillar one (8) extend in die shoe (1) through after cantilever (6), top is arranged on cantilever (6) top, and the top of guide pillar one (8) is fixed with limited block (7), the face size of limited block (7) is greater than the face size of guide pillar one (8), between cantilever (6) and die shoe (1), be provided with position-limiting drum (10), in position-limiting drum (10), be provided with spring one (9), guide pillar one (8) is through spring one (9) and position-limiting drum (10), and the two ends of spring one (9) are arranged between cantilever (6) and die shoe (1), in cantilever (6), be provided with two punch two (17), punch two (17) is symmetrical along plumb line, punch two (17) be arranged on plush copper (24) under, one end of punch two (17) is through the vertical sidewall towards groove after stripper (11), the outer wall indent of plush copper (24) forms two deep trouths (23), punch two (17) is through corresponding deep trouth (23), and be sheathed with pressing plate (19) on punch two (17) outer walls, pressing plate (19) is arranged between stripper (11) and groove, and pressing plate (19) seals the openend of deep trouth (23) completely, on punch two (17) outer walls, be sheathed with spring two (20), spring two (20) is arranged in corresponding deep trouth (23), and the two ends of spring two (20) are all arranged between the bottom of deep trouth (23) and the end face of pressing plate (19).
2. unsteady cantilever type punching die tool according to claim 1, it is characterized in that: on the outer wall of described skewback (18), be sheathed with fixed head (14), the bottom of the top of fixed head (14) and upper bolster (16) is fixed, in fixed head (14), be provided with alignment pin (15), the two ends of alignment pin (15) are separately positioned in fixed head (14) and upper bolster (16), in upper bolster (16), be provided with unloading bolt (21), unloading bolt (21) one end is arranged in stripper (11) through after fixed head (14), on unloading bolt (21) outer wall, be sheathed with spring three (22), the two ends of spring three (22) are all arranged between fixed head (14) and stripper (11), and fixed head (14) is arranged between alignment pin (15) and unloading bolt (21).
3. unsteady cantilever type punching die tool according to claim 1, it is characterized in that: on the top end face of described die shoe (1), be fixed with guide pillar two (13), the bottom of guide pillar two (13) is vertical fixing with the top end face of die shoe (1), top is through stripper (11), and in stripper (11), be provided with guide pin bushing (12), guide pillar two (13) is through guide pin bushing (12), and the dead in line of the axis of guide pin bushing (12) and guide pillar two (13).
4. unsteady cantilever type punching die tool according to claim 1, it is characterized in that: on the outer wall of described punch one (2), be sheathed with punch retainer (3), the top of the bottom of punch retainer (3) and die shoe (1) is fixed, the bottom of the top of punch retainer (3) and rubber layer (4) is fixed, in cantilever (6), be provided with punch insert (5), the bottom of punch insert (5) contacts with the top of rubber layer (4), and punch one (2) is through punch insert (5).
CN201410198974.5A 2014-05-13 2014-05-13 Floating cantilever type punching die CN103934357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410198974.5A CN103934357A (en) 2014-05-13 2014-05-13 Floating cantilever type punching die

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Application Number Priority Date Filing Date Title
CN201410198974.5A CN103934357A (en) 2014-05-13 2014-05-13 Floating cantilever type punching die

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CN103934357A true CN103934357A (en) 2014-07-23

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569024A (en) * 1979-07-03 1981-01-29 Toshiba Corp Die device of transfer press
JPH07223029A (en) * 1994-02-17 1995-08-22 Sango Co Ltd Piercing method of tube
CN2688412Y (en) * 2004-04-16 2005-03-30 中国重型汽车集团有限公司 Punching device of cylindrical piece
CN2792641Y (en) * 2005-06-02 2006-07-05 南京工业职业技术学院 Mould with float mould core structure
CN201552239U (en) * 2009-11-27 2010-08-18 河南科隆集团有限公司 Tubing punching die
CN101862787A (en) * 2010-06-30 2010-10-20 重庆理工大学 Omnibearing perforating mold based on solid particle medium pressure
CN103418671A (en) * 2013-08-12 2013-12-04 太仓市微贯机电有限公司 Workpiece punching die
CN203817158U (en) * 2014-05-13 2014-09-10 四川中邦模具有限公司 Floating cantilever type punching die for production of motor fan housing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569024A (en) * 1979-07-03 1981-01-29 Toshiba Corp Die device of transfer press
JPH07223029A (en) * 1994-02-17 1995-08-22 Sango Co Ltd Piercing method of tube
CN2688412Y (en) * 2004-04-16 2005-03-30 中国重型汽车集团有限公司 Punching device of cylindrical piece
CN2792641Y (en) * 2005-06-02 2006-07-05 南京工业职业技术学院 Mould with float mould core structure
CN201552239U (en) * 2009-11-27 2010-08-18 河南科隆集团有限公司 Tubing punching die
CN101862787A (en) * 2010-06-30 2010-10-20 重庆理工大学 Omnibearing perforating mold based on solid particle medium pressure
CN103418671A (en) * 2013-08-12 2013-12-04 太仓市微贯机电有限公司 Workpiece punching die
CN203817158U (en) * 2014-05-13 2014-09-10 四川中邦模具有限公司 Floating cantilever type punching die for production of motor fan housing

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Application publication date: 20140723