CN105234298A - Automobile drive axle U-shaped oil tube clamping piece support molding die and machining process thereof - Google Patents

Automobile drive axle U-shaped oil tube clamping piece support molding die and machining process thereof Download PDF

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Publication number
CN105234298A
CN105234298A CN201510861463.1A CN201510861463A CN105234298A CN 105234298 A CN105234298 A CN 105234298A CN 201510861463 A CN201510861463 A CN 201510861463A CN 105234298 A CN105234298 A CN 105234298A
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CN
China
Prior art keywords
die
blanking
oil pipe
bending
pipe clip
Prior art date
Application number
CN201510861463.1A
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Chinese (zh)
Inventor
邹函滔
Original Assignee
江西江铃底盘股份有限公司
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Application filed by 江西江铃底盘股份有限公司 filed Critical 江西江铃底盘股份有限公司
Priority to CN201510861463.1A priority Critical patent/CN105234298A/en
Publication of CN105234298A publication Critical patent/CN105234298A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides

Abstract

The invention discloses an automobile drive axle U-shaped oil tube clamping piece support molding die. The molding die comprises an upper die body and a lower die body, wherein the upper die body comprises a die handle, an upper die plate, an upper cushion plate and a blanking female die part, a bent male die part is arranged in the middle of the blanking female die part, and the longitudinal section of the bent male die part is in the shape of a reversed Chinese character 'tu'; the lower die body comprises a composite die fixing plate, a lower cushion plate and a lower die plate, a blanking bent composite die part is arranged right in the middle of the interior of the composite die fixing plate, the center of the blanking bent composite die part is of a vertically-through open hole structure, and the longitudinal section of the center of the blanking bent composite die part is in the shape of H; a middle discharging mechanism is arranged between the bent male die part and the blanking bent composite die part, a lower discharging mechanism is arranged between the blanking female die part and the composite die fixing plate, and a product forming cavity is formed between an H-shaped upper groove of the blanking bent composite die part and a head of the bent male die part. According to the molding die, two procedures can be optimized into one procedure, bending is achieved during blanking, blank can be bent stably, regular shape and stable strength performance of products are guaranteed, and production takt is increased.

Description

A kind of mould of automobile drive axle U-shaped oil pipe clip plate rack and processing technology thereof

Technical field

The invention belongs to machining equipment field, relate to a kind of mould of automobile drive axle U-shaped oil pipe clip plate rack.

Background technology

Oil pipe clip plate rack forms oil pipe intermediate plate assembly by the mode of spot welding and oil pipe intermediate plate, this assembly is welded again on automobile rear axle housing body, and its Main Function is the effect playing fixing oil pipe position and control oil pipe circuit integral layout when installing automobile axle brake pipe.

The traditional mode of production of oil pipe clip plate rack divides three process to process, it first adopts single-point plate shearing machine to implement operation one blanking processing, then adopt single-point open type steam-operating forcing press to implement the processing of operation two blanking, then adopt single-point open type steam-operating forcing press to implement operation three bending machining.Use traditional processing technology, not only need the number of molds of installation more, produce consuming time longer, but also will carry out repeatedly material allocation between multiple devices, production efficiency is lower.

What the present invention existed based on production technology in prior art just can optimization consider, design a kind of mould of automobile drive axle U-shaped oil pipe clip plate rack, not only can make product in same procedure, realize blanking and bending two kinds of different punch process actions simultaneously, two procedures is optimized for a procedure, and formed product process stabilization can also be made, ensure that the face shaping of product is regular, like this by a kind of blanking bending composite die that can meet production tube intermediate plate support of design, improve the production efficiency of product, the quality stability of improving product, just seem very necessary.

Summary of the invention

The object of the invention is to the deficiency optimizing existing production technology, adapt to reality need, a kind of mould of automobile drive axle U-shaped oil pipe clip plate rack is provided.

In order to realize object of the present invention, the technical solution used in the present invention is:

A mould for automobile drive axle U-shaped oil pipe clip plate rack, comprises upper die and lower die,

Patrix comprises the die shank, cope match-plate pattern, upper padding plate and the blanking die that are fastenedly connected successively from top to bottom;

The centre of described blanking die is provided with bending punch, and the longitudinal section of bending punch is in falling convex shape;

Described counterdie comprises the compound die fixed head, lower bolster and the lower bolster that are fastenedly connected successively from top to bottom,

The middle, inside of described compound die fixed head is provided with blanking bending compound die; Described blanking bending compound die center is up/down perforation open pore structure, and its longitudinal section is H-shaped;

Intermediate discharging mechanism is provided with between described bending punch and blanking bending compound die;

Lower shedding mechanism is provided with between described blanking die and compound die fixed head;

It the H-shaped of described blanking bending compound die is the forming recess of product between hole slot and the die head of bending punch.

Described intermediate discharging mechanism is divided into two parts, upper part comprises loading and unloading material bar, loading and unloading material bar is connected with the middle via hole longitudinal sliding motion of die shank, upper padding plate and bending punch, lower part comprises blanking push rod and lower discharging spring, the mesopore of blanking push rod and blanking bending compound die is slidably connected, lower discharging spring is arranged in the lower opening of blanking bending compound die, and blanking push rod is connected with lower bolster by lower discharging spring.

Described lower shedding mechanism comprises lower stripper and lower discharging rubber, the top of compound die fixed head is provided with lower stripper, the patrix body of blanking bending compound die and the middle via hole of lower stripper are slidably connected, and are provided with four lower discharging rubbers between described lower stripper and compound die fixed head.

Described lower stripper is provided with three equally distributed pin stop, and wherein two pieces is arranged on the fore-and-aft direction in the middle of lower stripper upper surface on the left of via hole, and another part is arranged on the dead astern of middle via hole.

Between described patrix and counterdie, be provided with guide pillar guide sleeve structure, described guide pin bushing is connected with cope match-plate pattern by interference fit, and described guide pillar is connected with lower bolster by interference fit, and guide pin bushing and the guide pillar of the same side are slidably connected.

Beneficial effect of the present invention is:

1. bending punch of the present invention is bumped into blanking die formula structure and is realized by blank bending while blanking, and blank BENDING PROCESS is stablized, and ensure that the regular and strength character of the face shaping of U-shaped oil pipe clip plate rack is stablized.

2. two procedures can be optimized for a procedure, promote productive temp, strengthen production capacity, reduce production cost.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the top view of part of the lower die;

Fig. 3 is the front view after Product processing;

Fig. 4 is the top view of Fig. 3.

In figure, loading and unloading material bar 1, die shank 2, cope match-plate pattern 3, guide pin bushing 4, upper padding plate 5, blanking die 6, bending punch 7, oil pipe clip plate rack 8, oil pipe clip plate rack blank 9, blanking bending compound die 10, blanking push rod 11, lower discharging spring 12, lower stripper 13, pin stop 14, lower discharging rubber 15, compound die fixed head 16, guide pillar 17, lower bolster 18, lower bolster 19.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is further described:

Embodiment: see Fig. 1-Fig. 4.

The present embodiment comprises patrix and counterdie, described patrix comprises the die shank 2 be fastenedly connected successively from top to bottom, cope match-plate pattern 3, upper padding plate 5, blanking die 6 and bending punch 7, described die shank 2, the middle via hole of upper padding plate 5 and bending punch 7 is provided with a loading and unloading material bar 1 and can moves up and down the upper part forming intermediate discharging mechanism, described counterdie comprises the compound die fixed head 16 be fastenedly connected successively from top to bottom, lower bolster 18 and lower bolster 19, the middle, inside of described compound die fixed head 16 is provided with a blanking bending compound die 10, the bosom upper strata of described blanking bending compound die 10 is provided with a lower discharging push rod 11, lower discharging push rod 11 is slidably connected with the mesopore of blanking bending compound die 10, the bosom lower floor (namely in lower opening) of described blanking bending compound die 10 is provided with a lower discharging spring 12, the patrix body of blanking bending compound die 10 and the middle via hole of lower stripper 13 are slidably connected, lower discharging push rod 11 and lower discharging spring 12 form the lower part of intermediate discharging mechanism, lower stripper 13 can move up and down, the upper surface front portion of described lower stripper 13 is provided with three pin stop 14, described lower stripper 13 is provided with four lower discharging rubbers 15 with the centre of compound die fixed head 16, lower stripper 13 and lower discharging rubber 15 form lower shedding mechanism, the cross section inner chamber of described blanking die 6 is flat face, the cross section of described bending punch 7 is inverted " convex " font flat face, blanking bending compound die 10 center is up/down perforation open pore structure, its longitudinal section is H-shaped, in its H-shaped, hole slot is flat face, and in its H-shaped, hole slot lumen width is consistent with the bending width of oil pipe clip plate rack 8.

Between described patrix and counterdie, be provided with guide pillar guide sleeve structure, described guide pin bushing 4 is connected with cope match-plate pattern 3 by interference fit, and described guide pillar 17 is connected with lower bolster 19 by interference fit.

Die shank 2 and cope match-plate pattern 3 are interference fit, upper padding plate 5 is arranged on the below of cope match-plate pattern 3 by bolt and alignment pin, blanking die 6 is arranged on the below of upper padding plate 5 by bolt and alignment pin, bending punch 7 is fastenedly connected in the inside of blanking die 6 by interference fit and is fastened by bolts the below being arranged on upper padding plate 5, and loading and unloading material bar 1 slides up and down with the middle via hole of die shank 2, upper padding plate 5 and bending punch 7 and is connected; compound die fixed head 16 is by bolt and the fastening top being installed on lower bolster 18 of alignment pin, lower bolster 18 is by bolt and the fastening top being installed on lower bolster 19 of alignment pin, blanking bending compound die 10 is fastenedly connected in the inside of compound die fixed head 16 middle via hole by interference fit and is fastened by bolts the top being installed on lower bolster 18, the bosom via hole upper strata matched in clearance of blanking bending compound die 10 connects the lower discharging push rod 11 that can slide up and down, the bosom via hole lower floor matched in clearance of blanking bending compound die 10 connects a lower discharging spring 12, lower stripper 13 is arranged on the top of compound die fixed head 16, and and the discharging of its bosom is stepped down, via hole slides up and down with the top outer mold surface of blanking bending compound die 10 and is connected, the anterior interference fit of upper surface three pin stop 14 of lower stripper 13, wherein two pieces is arranged on the fore-and-aft direction in the middle of lower stripper 13 upper surface on the left of via hole, another part is arranged on the dead astern of middle via hole, lower stripper 13 is bolted connection four lower discharging rubbers 15 with the centre of compound die fixed head 16.

The operation principle of invention is summarized as follows:

The oil pipe clip plate rack of the light truck-type of such east wind is made up through punch process of the ST12 cold-reduced sheet that 2.0mm is thick, just can be used for the processing of blanking bending composite die after blanking procedure:

The first step, by automobile drive axle U-shaped oil pipe clip plate rack blanking bending composite die of the present invention, is arranged on single-point open type steam-operating 100T forcing press.

Second step, as shown in Figure 2, oil pipe clip plate rack blank 9 after blanking procedure to be placed on above lower stripper 13 inner chamber and the discharging covered completely in the middle of it is stepped down, and to make the guiding pin stop 14 that the front end face of oil pipe clip plate rack blank 9 nestles up anterior location pin stop 14, left end face nestles up left side.

3rd step, start forcing press and punch process is carried out to oil pipe clip plate rack blank 9, on lathe, workbench is with blanking die 6, bending punch 7 and loading and unloading material bar 1 move downward, first when loading and unloading material bar 1 contacts with oil pipe clip plate rack blank 9, loading and unloading material bar 1 can move upward in the process, then be that blanking die 6 contacts with oil pipe clip plate rack blank 9, then be lower stripper 13 with lower discharging rubber 15 because compression thrust upwards and pin stop 14 and oil pipe clip plate rack blank 9 move downward, meanwhile descend discharging push rod 11 with lower discharging spring 12 because of compression thrust upwards together with oil pipe clip plate rack 8 along with bending punch 7 moves downward, until workbench runs to bottom dead centre on lathe, make oil pipe clip plate rack 8 at blanking die 6, complete blanking under bending effect between punch 7 and blanking bending compound die 10 and bend, reach blanking width 24mm, blanking hypotenuse angle 106 °, bending width 25mm, bending height 12.5mm, bending circular arc R 2mm, after blanking bending, the structure of workpiece is as Fig. 3, shown in Fig. 4.

4th step, forcing press upper table wears blanking die 6, bending punch 7 and loading and unloading material bar 1 upwards return, be subject to the resistance of the horizontal discharge arm on lathe top when loading and unloading material bar 1 in the process then move downward and the oil pipe clip plate rack 8 after bending is shot down downwards the outer mold surface of bending punch 7, discharging push rod 11 is meanwhile descended to be ejected from the inner chamber of blanking bending compound die 10 by oil pipe clip plate rack 8 because compression thrust upwards moves upward with lower discharging spring 12, oil pipe clip plate rack blank 9 and blanking bending compound die 10 to be separated because compression thrust upwards and pin stop 14 and oil pipe clip plate rack blank 9 move upward with lower discharging rubber 15 by lower stripper 13.

5th step, with oil pipe clip plate rack blank 9 by horizontal for oil pipe clip plate rack 8 good for the punching upper surface dialled laterally from lower stripper 13, and loads in body feed tank.

The oil pipe clip plate rack appearance and size adopting automobile drive axle U-shaped oil pipe clip plate rack blanking bending composite die of the present invention to make is stabilized in blanking width 24mm, blanking hypotenuse angle 106 °, bending width 25mm, bending height 12.5mm, bending circular arc R 2mm, the uniformity of monnolithic case is regular, sustainablely stable guarantees that oil pipe clip plate rack profile reaches the designing requirement of product drawing.While improving the quality of products, also improve production capacity, the oil pipe clip plate rack production process of the light truck-type of east wind bends twice by original operation two blanking, operation three and is optimized for present operation two blanking bending together.Single products split run production capacity is promoted to 13200 by 7300, and split run production capacity improves 80.8%.

Claims (6)

1. a mould for automobile drive axle U-shaped oil pipe clip plate rack, comprises upper die and lower die, it is characterized in that,
Patrix comprises the die shank (2), cope match-plate pattern (3), upper padding plate (5) and the blanking die (6) that are fastenedly connected successively from top to bottom;
The centre of described blanking die (6) is provided with bending punch (7), and the longitudinal section of bending punch (7) is in falling convex shape;
Described counterdie comprises the compound die fixed head (16), lower bolster (18) and the lower bolster (19) that are fastenedly connected successively from top to bottom;
The middle, inside of described compound die fixed head (16) is provided with blanking bending compound die (10); Described blanking bending compound die (10) center is up/down perforation open pore structure, and its longitudinal section is H-shaped;
Intermediate discharging mechanism is provided with between described bending punch (7) and blanking bending compound die (10);
Lower shedding mechanism is provided with between described blanking die (6) and compound die fixed head (16);
It the H-shaped of described blanking bending compound die (10) is the forming recess of product between hole slot and the die head of bending punch (7).
2. the mould of a kind of automobile drive axle U-shaped oil pipe clip plate rack according to claim 1, it is characterized in that, described intermediate discharging mechanism is divided into two parts, upper part comprises loading and unloading material bar (1), loading and unloading material bar (1) and die shank (2), the middle via hole longitudinal sliding motion of upper padding plate (5) and bending punch (7) connects, lower part comprises blanking push rod (11) and lower discharging spring (12), blanking push rod (11) is slidably connected with the mesopore of blanking bending compound die (10), lower discharging spring (12) is arranged in the lower opening of blanking bending compound die (10), blanking push rod (11) is connected with lower bolster (18) by lower discharging spring (12).
3. the mould of a kind of automobile drive axle U-shaped oil pipe clip plate rack according to claim 1, it is characterized in that, described lower shedding mechanism comprises lower stripper (13) and lower discharging rubber (15), the top of compound die fixed head (16) is provided with lower stripper (13), the patrix body of blanking bending compound die (10) and the middle via hole of lower stripper (13) are slidably connected, and are provided with four lower discharging rubbers (15) between described lower stripper (13) and compound die fixed head (16).
4. the mould of a kind of automobile drive axle U-shaped oil pipe clip plate rack according to claim 3, it is characterized in that, described lower stripper (13) is provided with three equally distributed pin stop (14), wherein two pieces is arranged on the fore-and-aft direction in the middle of lower stripper (13) upper surface on the left of via hole, and another part is arranged on the dead astern of middle via hole.
5. the mould of a kind of automobile drive axle U-shaped oil pipe clip plate rack according to claim 1, it is characterized in that, guide pillar guide sleeve structure is provided with between described patrix and counterdie, described guide pin bushing (4) is connected with cope match-plate pattern (3) by interference fit, described guide pillar (17) is connected with lower bolster (19) by interference fit, and guide pin bushing (4) and the guide pillar (17) of the same side are slidably connected.
6. a processing technology for automobile drive axle U-shaped oil pipe clip plate rack, is characterized in that,
The first step, by automobile drive axle U-shaped oil pipe clip plate rack blanking bending composite die, is arranged on single-point open type steam-operating forcing press;
Second step, oil pipe clip plate rack blank (9) after blanking procedure is placed on lower stripper (13) top and the discharging covered completely in the middle of it is stepped down inner chamber, and make the guiding pin stop (14) that the front end face of oil pipe clip plate rack blank (9) nestles up anterior location pin stop (14), left end face nestles up left side;
3rd step, start forcing press and punch process is carried out to oil pipe clip plate rack blank (9), on lathe, workbench is with blanking die (6), bending punch (7) and loading and unloading material bar (1) move downward, first when loading and unloading material bar (1) contacts with oil pipe clip plate rack blank (9), loading and unloading material bar (1) can move upward in the process, then be that blanking die (6) contacts with oil pipe clip plate rack blank (9), then be lower stripper (13) with lower discharging rubber (15) because compression thrust upwards and pin stop (14) and oil pipe clip plate rack blank (9) move downward, meanwhile descend discharging push rod (11) with lower discharging spring (12) because of compression thrust upwards together with oil pipe clip plate rack (8) along with bending punch (7) moves downward, until workbench runs to bottom dead centre on lathe, make oil pipe clip plate rack (8) in blanking die (6), complete blanking under bending effect between punch (7) and blanking bending compound die (10) and bend,
4th step, forcing press upper table wears blanking die (6), bending punch (7) and loading and unloading material bar (1) upwards return, be subject to the resistance of the horizontal discharge arm on lathe top when loading and unloading material bar (1) in the process then move downward and the oil pipe clip plate rack (8) after bending is shot down downwards the outer mold surface of bending punch (7), discharging push rod (11) is meanwhile descended to be ejected from the inner chamber of blanking bending compound die (10) by oil pipe clip plate rack (8) because compression thrust upwards moves upward with lower discharging spring (12), oil pipe clip plate rack blank (9) and blanking bending compound die (10) to be separated because compression thrust upwards and pin stop (14) and oil pipe clip plate rack blank (9) move upward with lower discharging rubber (15) by lower stripper (13),
5th step, with oil pipe clip plate rack blank (9) by horizontal for oil pipe clip plate rack (8) good for the punching upper surface dialled laterally from lower stripper (13), and loads in body feed tank.
CN201510861463.1A 2015-12-01 2015-12-01 Automobile drive axle U-shaped oil tube clamping piece support molding die and machining process thereof CN105234298A (en)

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CN201510861463.1A CN105234298A (en) 2015-12-01 2015-12-01 Automobile drive axle U-shaped oil tube clamping piece support molding die and machining process thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880375A (en) * 2016-06-29 2016-08-24 苏州欧吉电子科技有限公司 Male die structure of bent blanking die
CN105880376A (en) * 2016-06-29 2016-08-24 苏州欧吉电子科技有限公司 Bending blanking mold
CN106077266A (en) * 2016-06-29 2016-11-09 苏州欧吉电子科技有限公司 A kind of master structure bending blanking die
CN106140964A (en) * 2016-08-29 2016-11-23 江西江铃底盘股份有限公司 A kind of composite die of automobile drive axle oil pipe fixed support bending impressing
CN106984713A (en) * 2017-06-05 2017-07-28 浙江长华汽车零部件有限公司 The shaped device of high-accuracy high-efficiency automobile nut
CN107030202A (en) * 2017-05-19 2017-08-11 珀尔曼机电(昆山)有限公司 Once bilateral 90 degree of benders and diel

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Publication number Priority date Publication date Assignee Title
JPH079045A (en) * 1993-06-23 1995-01-13 Mazda Motor Corp Pressing device
CN202683768U (en) * 2012-05-16 2013-01-23 成都驹涛网络科技有限公司 Novel positive compound die
CN103990695A (en) * 2014-04-29 2014-08-20 成都极点精密模具有限公司 Blanking and bending compound die
CN204035356U (en) * 2014-08-13 2014-12-24 张坤地 A kind of air-cleaner box forward and backward compound drawing die
CN204122564U (en) * 2014-11-03 2015-01-28 马文丽 A kind of bracket blanking die
CN204710983U (en) * 2015-05-11 2015-10-21 江西江铃底盘股份有限公司 A kind of motor vehicle brake shoe props up the composite die of block cover plate blanking and punching
CN205147102U (en) * 2015-12-01 2016-04-13 江西江铃底盘股份有限公司 Forming die of automobile drive axle U shape oil pipe clamping piece support

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079045A (en) * 1993-06-23 1995-01-13 Mazda Motor Corp Pressing device
CN202683768U (en) * 2012-05-16 2013-01-23 成都驹涛网络科技有限公司 Novel positive compound die
CN103990695A (en) * 2014-04-29 2014-08-20 成都极点精密模具有限公司 Blanking and bending compound die
CN204035356U (en) * 2014-08-13 2014-12-24 张坤地 A kind of air-cleaner box forward and backward compound drawing die
CN204122564U (en) * 2014-11-03 2015-01-28 马文丽 A kind of bracket blanking die
CN204710983U (en) * 2015-05-11 2015-10-21 江西江铃底盘股份有限公司 A kind of motor vehicle brake shoe props up the composite die of block cover plate blanking and punching
CN205147102U (en) * 2015-12-01 2016-04-13 江西江铃底盘股份有限公司 Forming die of automobile drive axle U shape oil pipe clamping piece support

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880375A (en) * 2016-06-29 2016-08-24 苏州欧吉电子科技有限公司 Male die structure of bent blanking die
CN105880376A (en) * 2016-06-29 2016-08-24 苏州欧吉电子科技有限公司 Bending blanking mold
CN106077266A (en) * 2016-06-29 2016-11-09 苏州欧吉电子科技有限公司 A kind of master structure bending blanking die
CN106140964A (en) * 2016-08-29 2016-11-23 江西江铃底盘股份有限公司 A kind of composite die of automobile drive axle oil pipe fixed support bending impressing
CN107030202A (en) * 2017-05-19 2017-08-11 珀尔曼机电(昆山)有限公司 Once bilateral 90 degree of benders and diel
CN107030202B (en) * 2017-05-19 2019-03-22 珀尔曼机电(昆山)有限公司 Primary bilateral 90 degree of benders and stamping die
CN106984713A (en) * 2017-06-05 2017-07-28 浙江长华汽车零部件有限公司 The shaped device of high-accuracy high-efficiency automobile nut

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Application publication date: 20160113