CN105945143A - Double-row progressive die for automobile back cushion skeleton bracket - Google Patents
Double-row progressive die for automobile back cushion skeleton bracket Download PDFInfo
- Publication number
- CN105945143A CN105945143A CN201610519696.8A CN201610519696A CN105945143A CN 105945143 A CN105945143 A CN 105945143A CN 201610519696 A CN201610519696 A CN 201610519696A CN 105945143 A CN105945143 A CN 105945143A
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- China
- Prior art keywords
- station
- bend
- group
- die
- downwards
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention relates to a progressive die for an automobile back cushion skeleton. The progressive die comprises an upper die and a lower die, wherein the upper die comprises an upper die holder, an upper base plate group, an upper clamping plate group, an upper stop plate group and an upper separating plate group which are sequentially arranged from top to bottom; the lower die comprises a lower supporting plate, a lower cushion block, a lower die holder, a lower base plate group and a lower template group which are sequentially arranged from bottom to up; two rows of processing stations are symmetrically arranged between the upper die and the lower die; and the processing stations comprise a plurality of stations. According to the progressive die, different technologies such as trimming, punching and bending are achieved on one die, multiple procedures can be completed during each stamping, and the progressive die has the characteristics that the operation is easy, convenient and safe, the production efficiency is high, and the maintenance cost is low.
Description
Technical field
The present invention relates to mould manufacturing field, especially relate to the progressive die that a kind of vehicle component manufactures.
Background technology
Automobile stamping spare and accessory parts general structure is complex, uses traditional single-station mould to produce, not only efficiency
Lowly, and low precision, useless part rate are high.The progressive die is a kind of multitask sequence punch die being made up of multiple stations, and each station completes
Different processing and order association, complete a series of different punch process in the one stroke of punch press, can include
The multiple working procedures such as punching, trimming and bending, have that production efficiency is high, simple to operate, be prone to the features such as automatization.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, it is provided that one is used for producing automobile recoil pad
The continuous mould of skeleton support.
Technical problem solved by the invention can realize by the following technical solutions:
The described automobile recoil pad skeleton progressive die includes: upper die and lower die, and described upper mold includes from top to bottom setting gradually
Upper bolster, upper padding plate group, train wheel bridge group, upper baffle plate group and upper de-plate group totally 5 assemblies；Described lower mold includes depending on from the bottom to top
The bottom plate of secondary setting, lower cushion block, die shoe, lower bolster group and lower bolster group totally 5 assemblies；Between described upper die and lower die right
Claiming to be provided with two row's processing stations, described processing stations includes that be arranged in order rushes hole, location station, beading station, the first trimming
Station, the second trimming station, first pre-bend downwards station, second pre-bend downwards station, the first downward bending station, the 3rd
Trimming station, the 4th trimming station, the 3rd pre-bend downwards station, the second downward bending station, the 4th pre-bend downwards station,
5th pre-bend downwards station, the 3rd downward bender position, first upwards pre-bend station, first upwards bending station, second
Upwards pre-bend station, the 5th trimming station, second upwards bending station, shaping station, empty step station, cut off station.
Further, the described 3rd pre-bend downwards station and the second downward bending station, first upwards pre-bend station and
First upwards bending station and second station and the second upwards bending station that upwards pre-bends be respectively one group of right-angle bending work
Position, the described 3rd pre-bend downwards station, first station and second station that upwards pre-bends that upwards pre-bends is 45 ° of works that pre-bend
Position.
Further, described first pre-bend downwards station, second pre-bend downwards station and the first downward bending station,
Four pre-bend downwards station, the 5th pre-bend downwards station and the 3rd downward bender position is two groups of U-shaped bending stations, described
One pre-bends downwards station and the first downward bending station is 45 ° of stations that pre-bend, and described second pre-bends downwards station and
Five stations that pre-bend downwards are 120 ° of stations that pre-bend.
Further, described 45 ° of stations that pre-bend include that 45 ° are tiltedly carved and corresponding molding concave die, described 120 ° of works that pre-bend
Position includes that 120 ° are tiltedly carved and corresponding molding concave die,
Further, the cutter set by described trimming station is equipped with reinforcement in its root both sides.Described reinforcement uses
Hypotenuse is the right-angled trapezium design of curve, and curve is tangent with cutter side.The stress reducing cutter root is concentrated, and prevents
Cutter fractures or flexural deformation.
Further, described upper padding plate group from charging be disposed with to discharging direction: the first upper padding plate, the second upper padding plate,
3rd upper padding plate；Described train wheel bridge group from charging be disposed with to discharging direction: the first train wheel bridge, the second train wheel bridge, the 3rd
Train wheel bridge；Described upper baffle plate group is disposed with to discharging direction from charging: the first baffle plate, the second baffle plate, the 3rd only
Baffle plate；Described de-plate group is disposed with to discharging direction from charging: de-plate first, de-plate on second, de-plate on the 3rd；
Described lower bolster group is disposed with to discharging direction from charging: the first lower bolster, the second lower bolster, the 3rd lower bolster；Described
Lower bolster group is disposed with to discharging direction from charging: the first lower bolster, the second lower bolster, the 3rd lower bolster.
Further, all by pin and bolt between the adjacent component of 5 assemblies of 5 assemblies of described upper mold, lower mold
It is connected.
Further, described upper mold is provided with material returned spring, pilot pin, misdelivery pin.
Further, described material returned spring is installed on cope match-plate pattern, is used for connecting baffle plate group and upper de-plate group, and passes through
The guide effect of guide finger, makes baffle plate group and the upper de-plate group can vertical movement by a small margin, it is achieved that upper mold is closed with lower mold
Binder during mould and the effect of point Mo Shituo material.
Further, described pilot pin is installed on de-plate group, starts each station both sides from the second station and is equipped with correcting
Pin, eliminates the feeding error of generation during material is sent into correction, protects material strip positional precision on mould.
Further, described misdelivery pin is installed on upper bolster, and through whole upper mold, when material misdelivery or feeding is not in place
Time, misdelivery pin cannot insert the guide hole on material strip, make misdelivery pin) it is forced upwardly jack-up, thus touch exterior safety detection and open
Send, make punching press stop reducing processing by mistake.
Further, described lower mold processing stations both sides are each provided with row's lifter guide pin, and lifter guide pin is fixed on down
On mould.Described lifter guide pin makes material strip float off lower bolster after every time processing, thus ensure material strip be sent into smooth and easy and
Material strip not left and right displacement.
Beneficial effects of the present invention:
The progressive die the most of the present invention achieves the machine-shaping of automobile recoil pad skeleton support by a pressing equipment, will
Punching, trimming, pre-bend, bending, the multiple different process such as cut-out, optimize and be integrated on the different station of the progressive die, greatly
Improve production efficiency and reduce production cost；
Progressive die processing stations the most of the present invention all uses double symmetric design, by a set of operation on a block band with
Time produce two row's workpiece and cut off finally, materials'use rate and working (machining) efficiency can be improved；
Continuous die design the most of the present invention has 1 or 2 stations that pre-bend, and can be prevented effectively from and only arrange a bender
The resilience produced during position and phenomenon of rupture, thus improve machining accuracy and reduce useless part rate；
4. present configuration is simple, easy to operate, it is not necessary to multiple clamping, and positioning precision is high, improves product quality, and to behaviour
The technical merit making workman requires low.
Accompanying drawing explanation
Fig. 1 is a kind of automobile recoil pad skeleton progressive die schematic diagram of the present invention；
Fig. 2 is the material strip schematic diagram that the present invention processes；
Fig. 3 automobile recoil pad skeleton front view；
Fig. 4 automobile recoil pad skeleton top view；
Fig. 5 automobile recoil pad skeleton left view.
In figure: 1 lower mold, 2 upper molds, 3 lower bolster groups, 4 lower bolster groups, de-plate group, baffle plate on 6 on 5
Group, 7 train wheel bridge groups, 8 upper padding plate groups, 9 the 3rd upper padding plates, 10 the 3rd train wheel bridges, 11 the 3rd baffle plates, 12
De-plate on three, 13 misdelivery pins, 14 second upper padding plates, 15 second train wheel bridges, 16 second baffle plates, de-on 17 second
Plate, 18 second upper mold connecting bolts, 19 guide fingers, 20 upper mold pins, 21 pilot pins, 22 first upper molds connect spiral shell
Bolt, 23 material returned springs, 24 upper bolsters, 25 first upper padding plates, 26 first train wheel bridges, 27 first baffle plates, 28
De-plate on first, 29 first lower bolsters, 30 first lower bolsters, 31 die shoes, 32 lower cushion blocks, 33 bottom plates,
34 lifter guide pins, 35 lower mold pins, 36 lower mold the first connecting bolts, 37 lower mold the second connecting bolts, 38 times
Mould the 3rd connecting bolt, 39 second lower bolsters, 40 second lower bolsters, 41 the 3rd lower bolsters, 42 the 3rd lower bolsters.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Described a kind of automobile recoil pad skeleton progressive die includes: upper mold 2 and lower mold 1, described upper mold 2 includes from top to bottom
Upper bolster 24, upper padding plate group 8, train wheel bridge group 7, upper baffle plate group 6 and upper de-plate group 5 totally 5 assemblies set gradually；Under described
Mould 1 includes bottom plate 33, lower cushion block 32, die shoe 31, lower bolster group 3 and the lower bolster group 4 totally 5 set gradually from the bottom to top
Assembly；Being symmetrically arranged with two row's processing stations between described upper mold 2 and lower mold 1, described processing stations includes that be arranged in order rushes
Position hole station 001, beading station the 002, first trimming station the 003, second trimming station 004, first pre-bends downwards station
005, second pre-bend downwards station the 006, first downward bending station the 007, the 3rd trimming station the 008, the 4th trimming station
009, the 3rd station the 010, second downward bending station the 011, the 4th station the 012, the 5th that pre-bends downwards that pre-bends downwards is downward
Pre-bend the downward bender position 014, first of station the 013, the 3rd upwards pre-bend station 015, first upwards bending station 016,
Second upwards pre-bends station the 017, the 5th trimming station 018, second upwards bending station 019, shaping station 020, empty step work
Position 021, cut-out station 022.
Described 3rd pre-bends downwards station 010 and the second downward bending station 011, first upwards pre-bends station 015
With first upwards bending station 016 and second the station 017 and second upwards bending station 019 that upwards pre-bends be respectively one group
Right-angle bending station, the described 3rd pre-bend downwards station, first station 015 and second that upwards pre-bends upwards pre-bends station
017 is 45 ° of stations that pre-bend.
Described first station 005, second that pre-bends downwards pre-bends downwards station 006 and the first downward bending station 007,
4th station the 012, the 5th that pre-bends downwards pre-bends downwards station 013 and the 3rd downward bender position 014 is two groups of U-shaped bendings
Station, described first pre-bends downwards station 005 and the first downward bending station 007 is 45 ° of stations that pre-bend, described second to
Under station 006 and the 5th station 013 that pre-bends downwards that pre-bends be 120 ° of stations that pre-bend.
Described 45 ° of stations that pre-bend include that 45 ° are tiltedly carved and corresponding molding concave die, and described 120 ° of stations that pre-bend include
Tiltedly carving and corresponding molding concave die for 120 °, owing to automobile recoil pad skeleton support material is rustless steel, and rustless steel has hardness
Feature high, that elongation percentage is low, resilience tendency is strong so that press-bending crackle easily occurs when carrying out U-shaped bending in this support, and
Produce displacement when drift contacts with stamping parts on stamping parts, easily form cut.In order to avoid press-bending crackle ensures surface matter
Amount, the progressive die of the present invention is provided with 1 or 2 stations that pre-bend, and can be prevented effectively from the appearance of press-bending crackle, improves workpiece matter
Amount.
Cutter set by described trimming station is provided with reinforcement in its root both sides.Reduce the stress of cutter root
Concentrate, prevent cutter from fractureing or flexural deformation.The right-angled trapezium design that described reinforcement uses hypotenuse to be curve, and
Curve is tangent with cutter side.
Described upper padding plate group 8 is disposed with to discharging direction from charging: first upper padding plate the 25, second upper padding plate 14, the
Three upper padding plates 9；Described train wheel bridge group 7 is disposed with to discharging direction from charging: first train wheel bridge the 26, second train wheel bridge 15,
3rd train wheel bridge 10；Described upper baffle plate group 6 is disposed with to discharging direction from charging: press from both sides the first train wheel bridge 27, second
Plate the 16, the 3rd train wheel bridge 11；Described de-plate group 5 is disposed with to discharging direction from charging: first on de-plate 28, second
De-plate 12 on de-plate the 17, the 3rd；Described lower bolster group 3 is disposed with to discharging direction from charging: the first lower bolster 30, second
Lower bolster the 40, the 3rd lower bolster 42；Described lower bolster group 4 is disposed with to discharging direction from charging: the first lower bolster 29, the
Two lower bolster the 39, the 3rd lower bolsters 41.The described automobile recoil pad skeleton progressive die uses split-type design to be conducive to whole company
Continue the processing of mould, install, dismantle and safeguard.
5 assemblies of described upper mold 2, lower mold 15 assemblies adjacent component between all by lower mold pin 35 and
Upper mold pin 20, and first upper mold connecting bolt the 22, second upper mold connecting bolt 18, lower mold the first connecting bolt 36,
Lower mold the second connecting bolt 37 is connected with lower mold the 3rd connecting bolt 38.
Described upper mold 2 is provided with material returned spring 23, pilot pin 21, misdelivery pin 13.
Described material returned spring 23 is installed on upper bolster 24, is used for connecting baffle plate group 6 and upper de-plate group 5, and passes through
The guide effect 19 of guide finger, makes baffle plate group 6 and the upper de-plate group 5 can vertical movement by a small margin, it is achieved that upper mold 2 with under
Mould 1 binder and the effect of point Mo Shituo material.
Described pilot pin 21 is installed on de-plate group 5, starts each station both sides from the second station and is equipped with pilot pin 21,
The feeding misdelivery of generation during material is sent into is eliminated, it is ensured that the positional precision of material strip with correction.
Described misdelivery pin 13 is installed on upper bolster 24, and through whole upper mold 2, when material is misdelivered or feeding is not in place,
Misdelivery pin 13 cannot insert the guide hole on material strip, makes misdelivery pin 13 be forced upwardly jack-up, thus touch exterior safety detection and open and send,
Punching press is made to stop reducing processing by mistake.
Described lower mold 1 processing stations both sides are each provided with row's lifter guide pin 34, and lifter guide pin 34 is fixed on lower mold 1
On.Described lifter guide pin 34 makes material strip float off lower bolster group 4 after processing every time, thus ensures that material strip feeding is smooth and easy also
And material strip not left and right displacement.
Automobile recoil pad skeleton support double progressive die using method of the present invention: during work, material strip is sent into by feeder
The progressive die, and being positioned by lifter guide pin 34, each upper mold 2 fall stamping-out time, upper de-plate group 5 first pushes down material strip, convex
The fall material of die of stamping completes processing；When upper mold 2 is gone up, material strip is ejected from lower bolster group 4 by lifter guide pin 34,
Upper de-plate group 5 lays down hoop waste material on punch by the elastic force of discharging spring 23 simultaneously, so far completes whole blanking operation, then will
Billot is sent into a step pitch, carries out stamping and blanking process next time, carries out and so forth.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and is carried out, and can not limit the scope of the invention with this, all according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (10)
1. the automobile recoil pad double progressive die of skeleton support, it is characterised in that: include upper mold (2) and lower mold (1), described on
Upper bolster (24) that mould (2) includes from top to bottom setting gradually, upper padding plate group (8), train wheel bridge group (7), upper baffle plate group (6) and
Upper de-plate group (5) totally 5 assemblies；Bottom plate (33) that described lower mold (1) includes setting gradually from the bottom to top, lower cushion block (32),
Die shoe (31), lower bolster group (3) and lower bolster group (4) totally 5 assemblies；It is symmetrical arranged between described upper mold (2) and lower mold (1)
Have two row's processing stations, what described processing stations included being arranged in order rush hole station, location (001), beading station (002), first
Trimming station (003), the second trimming station (004), first pre-bend downwards station (005), second pre-bend downwards station
(006), the first downward bending station (007), the 3rd trimming station (008), the 4th trimming station (009), the 3rd pre-fold downwards
Curved station (010), the second downward bending station (011), the 4th pre-bend downwards station (012), the 5th pre-bend downwards station
(013), the 3rd downward bender position (014), first upwards pre-bend station 015, first upwards bending station (016), second
Upwards pre-bend station (017), the 5th trimming station (018), the second upwards bending station (019), shaping station (020), empty
Step station (021), cut-out station (022).
2. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: the described 3rd pre-folds downwards
Curved station (010) and the second downward bending station (011), first upwards pre-bend station (015) and first upwards bending station
(016) and second upwards pre-bend station (017) and second upwards bending station (019) be respectively one group of right-angle bending work
Position, the described 3rd pre-bend downwards station (010), first station (015) and second that upwards pre-bends upwards pre-bends station
(017) it is 45 ° of stations that pre-bend.
3. the as claimed in claim 1 automobile recoil pad double progressive die of skeleton support, it is characterised in that: first pre-bends downwards work
Position (005), second pre-bending downwards station (006) and the first downward bending station (007), the 4th pre-bends downwards station
(012), the 5th station (013) is pre-bended downwards and the 3rd downward bender position (014) is two groups of U-shaped bending stations, described
One pre-bends downwards station (005) and the first downward bending station (007), and described second pre-bends downwards station (006) and
Five stations (013) that pre-bend downwards are 120 ° of stations that pre-bend.
4. the double progressive die of automobile recoil pad skeleton support as described in Claims 2 or 3, it is characterised in that: described 45 ° pre-bend
Station includes that 45 ° are tiltedly carved and corresponding molding concave die.
5. the automobile recoil pad double progressive die of skeleton support as claimed in claim 3, it is characterised in that: described 120 ° of works that pre-bend
Position includes that 120 ° are tiltedly carved and corresponding molding concave die.
6. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: set by described trimming station
The cutter put is equipped with reinforcement in its root both sides, the right-angled trapezium design that described reinforcement uses hypotenuse to be curve, and
Curve is tangent with cutter side.
7. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: described upper padding plate group (8)
It is disposed with to discharging direction from charging: the first upper padding plate (25), the second upper padding plate (14), the 3rd upper padding plate (9)；On described
Clamping plate group (7) is disposed with to discharging direction from charging: the first train wheel bridge (26), the second train wheel bridge (15), the 3rd train wheel bridge
(10)；Described upper baffle plate group (6) is disposed with to discharging direction from charging: the first baffle plate (27), the second baffle plate
(16), the 3rd baffle plate (11)；Described de-plate group (5) is disposed with to discharging direction from charging: de-plate (28) first,
De-plate (17) on second, de-plate (12) on the 3rd；Described lower bolster group (3) is disposed with to discharging direction from charging: first
Lower bolster (30), the second lower bolster (40), the 3rd lower bolster (41)；Described lower bolster group (4) is from charging to discharging direction successively
It is provided with the first lower bolster (29), the second lower bolster (39), the 3rd lower bolster (41).
8. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: 5 of described upper mold (2)
Assembly, lower mold (1) 5 assemblies adjacent component between be all connected with bolt by pin.
9. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: described upper mold (2) is arranged
There are material returned spring (23), pilot pin (21), misdelivery pin (13),
Described material returned spring (23) is installed on upper mold (2) plate, is used for connecting baffle plate group (6) and upper de-plate group (5), and leads to
Cross the guide effect of guide finger (19), make baffle plate group (6) and upper de-plate group (5) can vertical movement by a small margin,
Described pilot pin (21) is installed on de-plate group (5), starts each station both sides from the second station and is equipped with pilot pin
(21),
Described misdelivery pin (13) is installed on upper bolster (24), and through whole upper mold (2).
10. the automobile recoil pad double progressive die of skeleton support as claimed in claim 1, it is characterised in that: described processing stations two
Side is each provided with row's lifter guide pin (34), and lifter guide pin (34) is fixed in lower mold (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519696.8A CN105945143A (en) | 2016-07-05 | 2016-07-05 | Double-row progressive die for automobile back cushion skeleton bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610519696.8A CN105945143A (en) | 2016-07-05 | 2016-07-05 | Double-row progressive die for automobile back cushion skeleton bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105945143A true CN105945143A (en) | 2016-09-21 |
Family
ID=56903157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610519696.8A Pending CN105945143A (en) | 2016-07-05 | 2016-07-05 | Double-row progressive die for automobile back cushion skeleton bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105945143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513822A (en) * | 2018-12-29 | 2019-03-26 | 佛山市勤健五金制品有限公司 | Lamp cap positive terminal stamping die |
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| KR20100073286A (en) * | 2008-12-23 | 2010-07-01 | 조일공업주식회사 | Method of manufacturing hinge bracket assembly for rear seat used in vehicle by using progressive mold and bracket manufactured by the same |
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| CN204620833U (en) * | 2015-03-24 | 2015-09-09 | 浙江龙生汽车部件股份有限公司 | Make the progressive die of handlebar stem linkage piece and limiting bracket |
| CN104971997A (en) * | 2015-03-24 | 2015-10-14 | 浙江龙生汽车部件股份有限公司 | Progressive die for manufacturing automobile seat hinge and method of progressive die |
| CN205926796U (en) * | 2016-07-05 | 2017-02-08 | 长沙市金佰利汽车零部件有限公司 | Double modulus of continuity of cushion skeleton support behind automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100073286A (en) * | 2008-12-23 | 2010-07-01 | 조일공업주식회사 | Method of manufacturing hinge bracket assembly for rear seat used in vehicle by using progressive mold and bracket manufactured by the same |
| CN202824387U (en) * | 2012-09-05 | 2013-03-27 | 江苏荣腾精密组件科技股份有限公司 | Continuous stamping bending die |
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| CN204620833U (en) * | 2015-03-24 | 2015-09-09 | 浙江龙生汽车部件股份有限公司 | Make the progressive die of handlebar stem linkage piece and limiting bracket |
| CN104971997A (en) * | 2015-03-24 | 2015-10-14 | 浙江龙生汽车部件股份有限公司 | Progressive die for manufacturing automobile seat hinge and method of progressive die |
| CN205926796U (en) * | 2016-07-05 | 2017-02-08 | 长沙市金佰利汽车零部件有限公司 | Double modulus of continuity of cushion skeleton support behind automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513822A (en) * | 2018-12-29 | 2019-03-26 | 佛山市勤健五金制品有限公司 | Lamp cap positive terminal stamping die |
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