CN105251892B - Rear axle square plate blanking-pinching-coining composite die and machining process thereof - Google Patents
Rear axle square plate blanking-pinching-coining composite die and machining process thereof Download PDFInfo
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- CN105251892B CN105251892B CN201510859036.XA CN201510859036A CN105251892B CN 105251892 B CN105251892 B CN 105251892B CN 201510859036 A CN201510859036 A CN 201510859036A CN 105251892 B CN105251892 B CN 105251892B
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000003754 machining Methods 0.000 title abstract description 5
- 238000004080 punching Methods 0.000 claims abstract description 64
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000012937 correction Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 91
- 150000001875 compounds Chemical class 0.000 claims description 59
- 238000004049 embossing Methods 0.000 claims description 19
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000005060 rubber Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The invention discloses a rear axle square plate blanking-pinching-coining composite die which comprises an upper die body and a lower die body. The upper die body comprises a die shank, an upper die plate, an upper gasket, an upper base plate, a male die fixing plate and a female die fixing plate. A punching and coining male die device composed of a punching male die body and a plurality of coining male die bodies is arranged in the center of the male die fixing plate. A blanking female die body is arranged below the male die fixing plate and in the center of the female die fixing plate. The upper die body is further provided with an upper discharging mechanism. The lower die body comprises a composite die fixing plate, a lower base plate and a lower die plate which are fastened and connected in sequence from top to bottom. A blanking, punching and coining composite die body is arranged right in the center in the composite die fixing plate. A punching hole is formed in the center of the blanking, punching and coining composite die body, and coining groove holes are formed in the periphery of the blanking, punching and coining composite die body. A die head is a blanking male die body. An automatic correction guiding mechanism and a lower discharging mechanism are arranged between the male die fixing plate and the composite die fixing plate. According to the rear axle square plate blanking-pinching-coining composite die, the punching and coining process is stable, the machining accuracy is high, the appearance of a product is regular, and the production efficiency is greatly improved.
Description
Technical field
The invention belongs to machining equipment field, is specifically related to a kind of back axle square plate blanking-punching-impressing compound die
Tool.
Background technology
Back axle square plate is fixed on rear driving axle and supports one of indispensable accessory of all kinds of oil pipes and wire harness, and it is directly affected
The layout of all kinds of oil pipes and wire harness and fixation is installed.It is by fabrication processing traditional at present：Blanking → blanking-punching
→ convex point pressing is reaching product design requirement.This production technology low production efficiency, high cost, and during convex point pressing process operations not
Good positioning, product quality is also relatively inaccessible to require.And at present traditional punching press mode structure be guide pillar, guide pin bushing be directly directed to,
Lower template, die clearance controls completely by pincers worker manual skill, and such mould machining accuracy is difficult to ensure that, and undoubtedly time-consuming takes
Power.Therefore composite die and technique that small stream footpath designs and produces out a kind of back axle square plate blanking-punching-impressing can separately be warded off（That is mould
Guide pillar, the guide sleeve structure of the tool automatic correcting gap of design, the uniformity of upper and lower die clearance just not by the control of pincers worker manual skill,
But ensure by machine finish）, carry out improve production efficiency, it is ensured that product quality, just it is particularly important.
The content of the invention
It is an object of the invention to optimize the deficiency of existing production technology, reality need is adapted to, there is provided a kind of back axle square plate
Blanking-punching-impressing composite die.
In order to realize the purpose of the present invention, the technical solution used in the present invention is：
A kind of back axle square plate blanking-punching-impressing composite die, including upper mould and lower mould,
The upper mould includes that from top to bottom the die shank being fastenedly connected successively, upper die plate, upper gasket, upper padding plate, punch are fixed
Plate and die block；
The piercing punch and some equally distributed embossing male dies that the centre of the punch retainer is provided with constitutes punching
The centre of embossing male die device, the punch retainer lower section and die block is provided with blanking die；Also set in the upper mould
There is loading and unloading material mechanism；
The lower mould includes from top to bottom compound die fixed plate, lower bolster and the lower template being fastenedly connected successively, described multiple
The inside middle of matched moulds fixed plate is provided with blanking and punching impressing compound die, and in the middle of blanking and punching impressing compound die punching is provided with
Hole, is formed around embossed grooves hole, and die head is blanking punch；
It is provided between the punch retainer and compound die fixed plate from dynamic(al) correction guiding mechanism and lower shedding mechanism；It is described
It is punching station between the punching of piercing punch and blanking and punching impressing compound die, embossing male die imprints compound die with blanking and punching
Embossed grooves hole between be printing station, blanking die and blanking and punching impressing compound die die head between be blanking station.
The loading and unloading material mechanism includes loading and unloading material block, loading and unloading material middle position bar, loading and unloading material middle position plate and loading and unloading material bar, and blanking is recessed
Mould is groove structure, and the die cavity longitudinal section formed in groove is in inverted "convex" shape, is provided with loading and unloading material block in die cavity, loading and unloading material block with
Die cavity is slidably connected, and is provided with loading and unloading material middle position bar above the loading and unloading material block, loading and unloading material middle position bar and punch retainer and on
The middle via longitudinal sliding motion connection of backing plate；Loading and unloading material middle position plate, loading and unloading material middle position are provided with above the loading and unloading material middle position bar
Plate is arranged in the intermediate discharging through hole of upper gasket, and loading and unloading material middle position plate is slidably connected with the material through hole that unloads of upper gasket, it is described on
Loading and unloading material bar is provided with above discharging middle position plate, loading and unloading material bar is connected with die shank middle via longitudinal sliding motion.
The lower shedding mechanism includes lower guiding stripper and lower discharging rubber, is provided with down above compound die fixed plate and leads
To stripper, blanking and punching impressing compound die upper mould body and it is lower be oriented to stripper middle via be slidably connected, it is described under lead
To being provided with four lower discharging rubbers between stripper and compound die fixed plate.
The vertical correction mechanism of the level correction mechanism and composite die for being divided into workpiece from dynamic(al) correction guiding mechanism, bag
Include lower guiding stripper, guide pin bushing and guide pillar.
It is described it is lower guiding stripper be arranged on the top of compound die fixed plate and between be arranged with lower discharging rubber, it is described
Lower guiding stripper is provided with the level correction mechanism that three equally distributed pin stop form workpiece.
Before three equally distributed pin stop, wherein two pieces are arranged on the right side of lower guiding stripper upper surface middle via
Rear direction, another dead astern for being arranged on middle via.
It is described it is lower guiding stripper be arranged on the top of compound die fixed plate and between be arranged with lower discharging rubber, it is described
The middle via being provided with the middle of lower guiding stripper is oriented to shape chamber and matches somebody with somebody with the compound die clearance of blanking and punching impressing to be oriented to shape chamber
Close, the lower guiding stripper both sides are provided with guide pillar hole, and guide pillar hole coordinates with guide pillar gap, and the guide pin bushing is by interference fit point
It is not connected with the guide pin bushing via of punch retainer and die block, guide pillar is connected by interference fit with compound die fixed plate,
The guide pin bushing and guide pillar of the same side is in axial sliding connection, and guide pin bushing, lower guiding stripper and guide pillar form the vertical correction of composite die
Mechanism.
It is 0.10-0.12mm to be oriented to the double-faced clearance that the compound die clearance of shape chamber and blanking and punching impressing coordinates, it is described under lead
It is 0.16-0.18mm to stripper the both sides guide pillar hole being provided with and the double-faced clearance that guide pillar gap coordinates, guide pillar is double with guide pin bushing
Face gap is 0.08-0.10mm.
The compound die fixed plate is hollow staircase structural model, and step is up-small and down-big.
The beneficial effects of the present invention is：
1. the structure of the blanking punch of the present invention, punching concave die and impressing die composite integrated makes back axle square plate blank fall
Punching and impressing are realized while material, and makes back axle square plate blank punching and moulding process stable, it is ensured that in back axle square plate
Heart hole and impressing bump location degree are stably and face shaping is regular, while guide pillar, the guide sleeve structure of correcting gap automatically, it is ensured that
Machining accuracy, reduces the labor intensity of workman.
2. three process is optimized for into one procedure, activity time can be shortened, lifted productive temp, increase production capacity, drop
Low production cost.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the overlooking the structure diagram of mould under the present invention；
Fig. 3 is the main structure diagram for processing rear brake line bracket backing plate；
Fig. 4 is the overlooking the structure diagram for processing rear brake line bracket backing plate；
In figure, die shank 1, upper die plate 2, loading and unloading material bar 3, upper gasket 4, loading and unloading material middle position plate 5, upper padding plate 6, loading and unloading material middle position
Bar 7, punch retainer 8, guide pin bushing 9, piercing punch 10, loading and unloading material block 11, embossing male die 12, blanking die 13, pin stop 14, under
It is oriented to stripper 15, guide pillar 16, die block 17, blanking and punching impressing compound die 18, compound die fixed plate 19, lower bolster
20, lower template 21, lower discharging rubber 22.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described：
Embodiment：Referring to Fig. 1-Fig. 4.
A kind of back axle square plate blanking-punching-impressing composite die, including upper mould and lower mould, upper mould include from top to bottom according to
The secondary die shank 1 being fastenedly connected, upper die plate 2, upper gasket 4, upper padding plate 6, punch retainer 8 and die block 17；The punch
Piercing punch 10 and some composition punching embossing male die dresses of equally distributed embossing male die 12 that the centre of fixed plate 8 is provided with
Put, the centre of the lower section of the punch retainer 8 and die block 17 is provided with blanking die 13；It is additionally provided with the upper mould
Shedding mechanism；The lower mould includes from top to bottom compound die fixed plate 19, lower bolster 20 and the lower template 21 being fastenedly connected successively,
The inside middle of the compound die fixed plate 19 is provided with blanking and punching impressing compound die 18, blanking and punching impressing compound die 18
Centre is provided with punching, is formed around embossed grooves hole, and die head is blanking punch；The punch retainer 8 and compound die fixed plate
It is provided between 19 from dynamic(al) correction guiding mechanism and lower shedding mechanism；The piercing punch 10 imprints compound die 18 with blanking and punching
It is impressing work between punching between the embossed grooves hole for being punching station, embossing male die 12 and blanking and punching impressing compound die 18
It is blanking station between the die head of position, blanking die 13 and blanking and punching impressing compound die 18.
The loading and unloading material mechanism includes loading and unloading material block 11, loading and unloading material middle position bar 7, loading and unloading material middle position plate 5 and loading and unloading material bar 3,
It is in inverted "convex" shape that blanking die 13 is the die cavity longitudinal section formed in groove structure, groove, and loading and unloading material block 11 is provided with die cavity,
Loading and unloading material block 11 is slidably connected with die cavity, and the top of the loading and unloading material block 11 is provided with loading and unloading material middle position bar 7, loading and unloading material middle position bar 7
It is connected with the middle via longitudinal sliding motion of punch retainer 8 and upper padding plate 6；The top of the loading and unloading material middle position bar 7 is provided with unloads
Material middle position plate 5, loading and unloading material middle position plate 5 is arranged in the intermediate discharging through hole of upper gasket 4, loading and unloading material middle position plate 5 and upper gasket 4
Unload material through hole to be slidably connected, the top of the loading and unloading material middle position plate 5 is provided with loading and unloading material bar 3, loading and unloading material bar 3 and the middle mistake of die shank 1
Hole longitudinal sliding motion connection.
The lower shedding mechanism includes lower guiding stripper 15 and lower discharging rubber 22, and the top of compound die fixed plate 19 sets
There is lower guiding stripper 15, the upper mould body of blanking and punching impressing compound die 18 slides with the middle via of lower guiding stripper 15 and connects
Connect, between the lower guiding stripper 15 and compound die fixed plate 19 four lower discharging rubbers 22 are provided with.
The vertical correction mechanism of the level correction mechanism and composite die for being divided into workpiece from dynamic(al) correction guiding mechanism, bag
Include lower guiding stripper 15, guide pin bushing 9 and guide pillar 16.
The lower stripper 15 that is oriented to is provided with the level correction mechanism that three equally distributed pin stop 14 form workpiece.
Three equally distributed pin stop 14, wherein two pieces are arranged on lower guiding stripper 15 upper surface middle via right side
Fore-and-aft direction, another dead astern for being arranged on middle via.
The lower guiding stripper 15 sets lower discharging rubber 22 is arranged between compound die fixed plate 19, it is described under lead
The middle via being provided with the middle of stripper 15 is oriented to shape chamber and matches somebody with somebody with blanking and punching impressing compound die 18 gap to be oriented to shape chamber
Close, lower guiding stripper 15 both sides are provided with guide pillar hole, and guide pillar hole coordinates with the gap of guide pillar 16, and the guide pin bushing 9 passes through interference
Cooperation is connected respectively with the guide pin bushing via of punch retainer 8 and die block 17, and guide pillar 16 is by interference fit and compound die
Fixed plate 19 connects, and the guide pin bushing 9 and guide pillar 16 of the same side are in axial sliding connection, guide pin bushing 9, lower guiding stripper 15 and the shape of guide pillar 16
Into the vertical correction mechanism of composite die.
It is 0.10-0.12mm to be oriented to shape chamber and blanking and punching and imprint the double-faced clearance that the gap of compound die 18 coordinates, it is described under
It is 0.16-0.18mm to be oriented to stripper 15 the both sides guide pillar hole being provided with and the double-faced clearance that the gap of guide pillar 16 coordinates, guide pillar 16 with
The double-faced clearance of guide pin bushing 9 is 0.08-0.10mm.
The compound die fixed plate 19 is hollow staircase structural model, and step is up-small and down-big.
The procedure of processing and principle of the present invention is summarized as follows：
The first step, by this mould installion on single-point open type steam-operating forcing press；
Back axle square plate blank is placed on the top of blanking and punching impressing compound die 18 and is completely covered by second step, blanking
The firmly groove port of blanking die 13, by and with pin stop 14 position side end face and the front end face of back axle square plate blank；
3rd step, starting forcing press carries out punch process to back axle square plate blank, press ram with piercing punch 10,
Embossing male die 12, blanking die 13, loading and unloading material block 11, loading and unloading material middle position bar 7, loading and unloading material middle position plate 5 and loading and unloading material bar (3) are downwards
Motion, when piercing punch 10, embossing male die 12 and blanking die 13 are contacted with back axle square plate blank, loading and unloading material block 11 is with upper
Discharging middle position bar 7, loading and unloading material middle position plate 5 and loading and unloading material bar 3 are moved upwards, and at the same time the lower stripper 15 that is oriented to is with pin stop
14 and back axle square plate blank move downward, piercing punch 10 and blanking and punching impressing compound die 18 completes blanking and punching operation,
When press ram continues to run downwards to stop, embossing male die 12) complete embossing process steps with blanking and punching impressing compound die 18；
4th step, forcing press is risen, and press bench face is with piercing punch 10, embossing male die 12, blanking die
13rd, loading and unloading material block 11, loading and unloading material middle position bar 7, loading and unloading material middle position plate 5, loading and unloading material bar 3 and back axle square plate blank return upwards, on
Discharge arm 3 be subject to lathe top horizontal discharge arm resistance transfer with loading and unloading material middle position plate 5, loading and unloading material middle position bar 7 and on
Unloading block 11 is moved downward, and back axle square plate blank made by punching is shot down by loading and unloading material block 11 from the inner chamber of blanking die 13,
Lower guiding stripper 15 is by resilience thrust upwards after the compression of lower discharging rubber 22 with pin stop 14 and back axle square plate
Blank return upwards, and lower guiding stripper 15 under the effect of the elastic force of discharging rubber 22 by punched scrap directly from lower mould and lathe
Lower table spills down and completes to unload dropping material waste material；
5th step, with back axle square plate blank, by back axle square plate made by punching, laterally outward side dials compound from blanking and punching impressing
The upper surface of mould 18, and load in body feed tank.
The brake oil made using the automobile axle brake pipe bracket backing plate blanking and punching impressing composite die of the present invention
Pipe holder baffle plate overall dimensions are stable in the mm of blanking length 30, blanking width 30mm, the mm of centre bore aperture φ 17, four bulbs
The mm of shape impressing salient point external diameter φ 3.5, four bulb shapes imprint the high 0.7mm of salient point, the mm of impressing salient point transverse pitch 22, impressing
The mm of salient point longitudinal pitch 22, the concordance of monnolithic case is regular, sustainable stable to guarantee brake pipe bracket backing plate profile
Length, width, centre bore aperture, the big low height of impressing bulb and position degree reach the design requirement of product drawing.The present invention
It is sustainable stable to guarantee that NKR light truck back axle square plates reach product drawing design requirement.And be combined as by traditional two procedures
One procedure, production efficiency improves 72%, and die life improves 12 times, and product quality is stable, and saves the mould of a set of operation and open
Send out and take.
Claims (10)
1. a kind of back axle square plate blanking-punching-impressing composite die, including upper mould and lower mould, it is characterised in that
The upper mould includes from top to bottom the die shank being fastenedly connected successively（1）, upper die plate（2）, upper gasket (4), upper padding plate（6）、
Punch retainer（8）With die block (17)；
The punch retainer（8）The piercing punch (10) that is provided with of centre and some equally distributed embossing male die (12) groups
Into punching embossing male die device, the punch retainer（8）The centre of lower section and die block (17) is provided with blanking die
（13）；Loading and unloading material mechanism is additionally provided with the upper mould；
The lower mould includes from top to bottom the compound die fixed plate being fastenedly connected successively（19）, lower bolster（20）And lower template
（21）, the compound die fixed plate（19）Inside middle be provided with a blanking and punching impressing compound die（18）, blanking punching pore pressure
Print compound die（18）Centre is provided with punching, is formed around embossed grooves hole, and die head is blanking punch；
The punch retainer（8）With compound die fixed plate（19）Between be provided with from dynamic(al) correction guiding mechanism and lower shedding mechanism；
The piercing punch (10) imprints compound die with blanking and punching（18）Punching between be punching station, embossing male die (12)
It is printing station, blanking die between the embossed grooves hole that blanking and punching imprints compound die (18)（13）With blanking and punching impressing
Compound die（18）Die head between be blanking station.
2. a kind of back axle square plate blanking-punching-impressing composite die according to claim 1, it is characterised in that on described
Shedding mechanism includes loading and unloading material block（11）, loading and unloading material middle position bar（7）, loading and unloading material middle position plate（5）With loading and unloading material bar（3）, blanking is recessed
Mould（13）Die cavity longitudinal section to be formed in groove structure, groove is in inverted "convex" shape, and loading and unloading material block is provided with die cavity（11）, on
Unloading block（11）It is slidably connected with die cavity, the loading and unloading material block（11）Top be provided with loading and unloading material middle position bar（7）, loading and unloading material middle position
Bar（7）With punch retainer（8）And upper padding plate（6）Middle via longitudinal sliding motion connection；The loading and unloading material middle position bar（7）It is upper
Side is provided with loading and unloading material middle position plate（5）, loading and unloading material middle position plate（5）In being arranged on the intermediate discharging through hole of upper gasket (4), in loading and unloading material
Position plate（5）It is slidably connected with the material through hole that unloads of upper gasket (4), the loading and unloading material middle position plate（5）Top be provided with loading and unloading material bar
（3）, loading and unloading material bar（3）With die shank（1）Middle via longitudinal sliding motion connects.
3. a kind of back axle square plate blanking-punching-impressing composite die according to claim 1, it is characterised in that under described
Shedding mechanism includes lower guiding stripper（15）With lower discharging rubber（22）, compound die fixed plate（19）Top be provided with lower guiding
Stripper（15）, blanking and punching impressing compound die（18）Upper mould body and lower guiding stripper（15）Middle via slide connect
Connect, the lower guiding stripper（15）With compound die fixed plate（19）Between be provided with four lower discharging rubbers（22）.
4. a kind of back axle square plate blanking-punching-impressing composite die according to claim 1, it is characterised in that it is described from
Dynamic(al) correction guiding mechanism is divided into the level correction mechanism of workpiece and the vertical correction mechanism of composite die, including lower guiding stripper
（15）, guide pin bushing（9）And guide pillar（16）.
5. a kind of back axle square plate blanking-punching-impressing composite die according to claim 4, it is characterised in that under described
It is oriented to stripper（15）It is arranged on compound die fixed plate（19）Top and between be arranged with lower discharging rubber（22）, it is described under
It is oriented to stripper（15）It is provided with three equally distributed pin stop（14）Form the level correction mechanism of workpiece.
6. a kind of back axle square plate blanking-punching-impressing composite die according to claim 5, it is characterised in that three
The pin stop of even distribution（14）, wherein two pieces is arranged on lower guiding stripper（15）Front and back on the right side of upper surface middle via
To another dead astern for being arranged on middle via.
7. a kind of back axle square plate blanking-punching-impressing composite die according to claim 4, it is characterised in that under described
It is oriented to stripper（15）It is arranged on compound die fixed plate（19）Top and between be arranged with lower discharging rubber（22）, it is described under
It is oriented to stripper（15）The middle via that centre is provided with is oriented to shape chamber and imprints compound die with blanking and punching to be oriented to shape chamber（18）Between
Gap coordinates, the lower guiding stripper（15）Both sides are provided with guide pillar hole, guide pillar hole and guide pillar（16）Gap coordinates, the guide pin bushing
（9）By interference fit respectively with punch retainer（8）And the guide pin bushing via of die block (17) connects, guide pillar (16) passes through
Interference fit and compound die fixed plate（19）Connection, the guide pin bushing of the same side（9）And guide pillar（16）It is in axial sliding connection, guide pin bushing（9）、
Lower guiding stripper（15）And guide pillar（16）Form the vertical correction mechanism of composite die.
8. a kind of back axle square plate blanking-punching-impressing composite die according to claim 7, it is characterised in that be oriented to shape
Chamber imprints compound die with blanking and punching（18）Gap coordinate double-faced clearance be 0.10-0.12mm, the lower guiding stripper
（15）Guide pillar hole and guide pillar that both sides are provided with（16）Gap coordinate double-faced clearance be 0.16-0.18mm, guide pillar（16）With guide pin bushing
（9）Double-faced clearance be 0.08-0.10mm.
9. a kind of back axle square plate blanking-punching-impressing composite die according to claim 1, it is characterised in that described multiple
Matched moulds fixed plate（19）For hollow staircase structural model, step is up-small and down-big.
10. a kind of processing technique of back axle square plate blanking-punching-impressing composite die, it is characterised in that
The first step, by this mould installion on single-point open type steam-operating forcing press；
Back axle square plate blank is placed on blanking and punching impressing compound die by second step, blanking（18）Top and cover all
The groove port of blanking die (13), and will use pin stop（14）The side end face of positioning back axle square plate blank and front end face；
3rd step, starting forcing press carries out punch process to back axle square plate blank, and press ram is with piercing punch (10), pressure
Print punch (12), blanking die (13), loading and unloading material block (11), loading and unloading material middle position bar (7), loading and unloading material middle position plate (5) and loading and unloading material
Bar (3) is moved downward, when piercing punch (10), embossing male die (12) and blanking die (13) are contacted with back axle square plate blank,
Loading and unloading material block (11) is moved upwards with loading and unloading material middle position bar (7), loading and unloading material middle position plate (5) and loading and unloading material bar (3), at the same time
Lower guiding stripper（15）Move downward with pin stop (14) and back axle square plate blank, piercing punch (10) and blanking punching pore pressure
Print compound die (18) completes blanking and punching operation, when press ram continues to run downwards to stop, embossing male die (12)
Embossing process steps are completed with blanking and punching impressing compound die (18)；
4th step, forcing press is risen, and press bench face is with piercing punch (10), embossing male die (12), blanking die
(13), loading and unloading material block (11), loading and unloading material middle position bar (7), loading and unloading material middle position plate (5), loading and unloading material bar (3) and back axle square plate blank to
Upper return, loading and unloading material bar (3) by the resistance of the horizontal discharge arm on lathe top transfer with loading and unloading material middle position plate (5), on unload
Material middle position bar (7) and loading and unloading material block (11) are moved downward, and loading and unloading material block (11) is recessed from blanking by back axle square plate blank made by punching
Shoot down in mould (13) inner chamber, lower guiding stripper（15）By the pushing away upwards of resilience after the compression of lower discharging rubber (22)
Power is with pin stop (14) and back axle square plate blank return upwards, and lower guiding stripper（15）In discharging rubber（22）Elastic force is made
Complete to unload dropping material waste material with lower directly spill down punched scrap from lower mould and lathe lower table；
5th step, with back axle square plate blank, by back axle square plate made by punching, laterally outward side is dialled from blanking and punching impressing compound die
(18) upper surface, and load in body feed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859036.XA CN105251892B (en) | 2015-12-01 | 2015-12-01 | Rear axle square plate blanking-pinching-coining composite die and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859036.XA CN105251892B (en) | 2015-12-01 | 2015-12-01 | Rear axle square plate blanking-pinching-coining composite die and machining process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105251892A CN105251892A (en) | 2016-01-20 |
| CN105251892B true CN105251892B (en) | 2017-04-12 |
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| CN105689533A (en) * | 2016-03-14 | 2016-06-22 | 昆山邦泰汽车零部件制造有限公司 | Fixed discharging type stamping die |
| CN107344196A (en) * | 2016-08-24 | 2017-11-14 | 杭州自强链传动有限公司 | The punching print die and punching Method of printing of a kind of board-like intermediate plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58215229A (en) * | 1982-06-09 | 1983-12-14 | Nissan Motor Co Ltd | Trimming and piercing die |
| JPS6033833A (en) * | 1983-08-04 | 1985-02-21 | Toyota Motor Corp | Punch press forming machine |
| CN203044667U (en) * | 2012-12-27 | 2013-07-10 | 山东科技大学 | Upside-down type composite die |
| CN103143620B (en) * | 2013-04-03 | 2015-03-25 | 江西江铃底盘股份有限公司 | Rear axle regulating nut punching die and punching process |
| CN103752698B (en) * | 2013-12-31 | 2015-08-05 | 慈溪市龙山汽配有限公司 | A kind of motor housing progressive die |
| CN205147096U (en) * | 2015-12-01 | 2016-04-13 | 江西江铃底盘股份有限公司 | Compound mould of rear axle side's board blanking - punching a hole - impression |
-
2015
- 2015-12-01 CN CN201510859036.XA patent/CN105251892B/en not_active Expired - Fee Related
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| CN105251892A (en) | 2016-01-20 |
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