CN104174764B - A kind of bend pipe mould and bend pipe pressing process - Google Patents
A kind of bend pipe mould and bend pipe pressing process Download PDFInfo
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- CN104174764B CN104174764B CN201410340541.9A CN201410340541A CN104174764B CN 104174764 B CN104174764 B CN 104174764B CN 201410340541 A CN201410340541 A CN 201410340541A CN 104174764 B CN104174764 B CN 104174764B
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Abstract
The invention provides a kind of bend pipe mould, this bend pipe mould comprises upper die and lower die, and described patrix comprises cope match-plate pattern, elastic spacing push rod, patrix fork, patrix press-bending block; Described counterdie comprises lower bolster, die shoe, counterdie swing arm.Present invention also offers a kind of bend pipe pressing process.Bend pipe mould provided by the invention and bend pipe pressing process, bending efficiently can go out be out of shape little bend pipe.
Description
Technical field
The present invention relates to a kind of mould, particularly relate to a kind of bend pipe mould for bending tubing and bend pipe pressing process.
Background technology
Metal pipe material is hollow form; according to user demand; usually bending operation can be carried out to tubing; due to the hollow feature of tubing; existing swan neck system was out of shape conference and caused tubing unstability when bending tubing; pipe deformations not then can cause bending part to rebound, and does not reach desirable bending effect.
Simultaneously, when the bending technique more complicated of tubing and bending angle requires higher time, two bending angle of such as tubing had both required front bending then two reverse side bending again, existing swan neck system produce a finished product need through four times repeatedly bending just can reach the angle requirement of part, consuming time longer.
Summary of the invention
The present invention aims to provide a kind of bend pipe mould and bend pipe pressing process, and this bend pipe mould bending efficiently can go out be out of shape little bend pipe, for achieving the above object, the invention provides following technical scheme:
A kind of bend pipe mould, comprise upper die and lower die, described patrix comprises cope match-plate pattern, elastic spacing push rod, patrix fork, patrix press-bending block; Described counterdie comprises lower bolster, die shoe, bend pipe wheel, counterdie swing arm;
The middle part below cope match-plate pattern is located at by described elastic spacing push rod; Holding pad is provided with below described elastic spacing push rod; Described patrix fork is located at elastic spacing push rod both sides, and the upper end of patrix fork is connected with cope match-plate pattern by rotating shaft, and patrix fork can swing around the shaft; Described patrix press-bending block is connected by the lower end of rotating shaft with patrix fork, and patrix press-bending block can swing around the shaft; Described patrix press-bending block bottom is wrinkle resistant piece of patrix;
Described die shoe is located in the middle part of lower bolster; The both sides of described die shoe upper surface are provided with locating slot to side, and the middle part of die shoe upper surface is provided with stopper slot; Holding pad on described stopper slot and elastic spacing push rod cooperatively interacts, its coordinate shape and size corresponding with the shape and size of the tubing that needs are suppressed; Described locating slot is circular arc, and locating slot is corresponding with needing the shape and size of the tubing suppressed; Described counterdie swing arm is connected with the both sides of die shoe by rotating shaft, can swing around the shaft; Described counterdie swing arm is provided with wrinkle resistant piece of counterdie upwards, and wrinkle resistant piece of described counterdie and wrinkle resistant piece of patrix cooperatively interact, and the geomery after its cooperation is corresponding with needing the shape and size of the tubing suppressed; Elastic limit device is provided with between described counterdie swing arm and lower bolster.
Described locating slot and stopper slot cooperatively interact, and die shoe is formed the groove corresponding with needing the shape and size of the tubing suppressed, tubing is accurately located in a mold, and stability when ensureing follow-up compacting.
Preferably, in above-mentioned bend pipe mould, described elastic spacing push rod comprises elastic pressurized parts and push rod; Described elastic pressurized section upper is installed in the middle part of cope match-plate pattern, and bottom is connected with push rod; Described push rod can under the effect of elastic pressurized parts, along the axial stretching of elastic pressurized parts.
Preferably, in above-mentioned bend pipe mould, to the third side of mould to extending support on described push rod; Adjusting nut is provided with between described support and cope match-plate pattern.
Preferably, in above-mentioned bend pipe mould, the both sides of described cope match-plate pattern are provided with patrix limited post, and described patrix limited post is for limiting the swing position laterally of patrix fork.
Preferably, in above-mentioned bend pipe mould, wrinkle resistant piece of described stopper slot, holding pad, patrix and wrinkle resistant piece of counterdie are semicircle column type, and wrinkle resistant piece of described stopper slot, holding pad, patrix is consistent with needing the external diameter of the pipe suppressed with the internal diameter of the semicolumn of wrinkle resistant piece of counterdie.
Preferably, in above-mentioned bend pipe mould, described elastic limit device is spring.
Preferably, in above-mentioned bend pipe mould, described elastic limit device is gas spring.
Preferably, the both sides of described die shoe are provided with bend pipe wheel, and the centre of bend pipe wheel circumference offers locating slot I.The advantage arranging bend pipe wheel is that the locating slot on bend pipe wheel can arbitrarily adjust, the position adjustment of being installed by bend pipe wheel, can control the bending angle of tubing easily, or the bend pipe wheel by changing different-diameter specification, with also can control bending angle, control mode is more flexible convenient.At this moment, the rotating shaft that described counterdie swing arm is connected with die shoe can be located at the position, the center of circle that bend pipe is taken turns.
Preferably, in above-mentioned bend pipe mould, the two ends of described counterdie swing arm are provided with plug adjusting nut.
Preferably, in above-mentioned bend pipe mould, described die shoe both sides are provided with counterdie swing arm limited post, restriction counterdie swing arm swing position upwards.
Present invention also offers a kind of bend pipe pressing process, comprise the following steps:
A. tubing is dropped in bend pipe mould, make it be placed in stopper slot on die shoe;
B. cope match-plate pattern drive elastic spacing push rod and patrix fork descending, patrix fork drives patrix press-bending block descending, and the holding pad on elastic spacing push rod and stopper slot cooperatively interact and push down in the middle part of tubing;
C. swing around the shaft respectively when patrix fork two ends can move downward with patrix, drive patrix press-bending block to swing around the shaft to make wrinkle resistant piece of patrix on patrix press-bending block to slide on pipe compacting;
D. during patrix press-bending block compacting tubing, drive counterdie swing arm around the shaft to lower swing, make the formation that connects with locating slot of wrinkle resistant piece of patrix bend curve, wrinkle resistant piece of patrix coordinates edge to bend curved slide motion to suppress bend pipe with locating slot.
As can be seen from technique scheme, bend pipe mould provided by the invention and bend pipe pressing process, the downward pressed bend of patrix press-bending block is driven by patrix fork, counterdie swing arm, patrix press-bending block parallel and identical with the bending angle of bend pipe with the angle of horizontal direction, patrix press-bending block is slided according to bending angle requirement on pipe suppress, thus bending efficiently goes out to be out of shape little bend pipe.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of bend pipe mould of the present invention;
Fig. 2 is the structural representation that locating slot offered by die shoe of the present invention;
Fig. 3 is the perspective view of bend pipe of the present invention wheel;
Fig. 4 is structural representation bend pipe of the present invention wheel being offered locating slot I.
Sequence number in Fig. 1-3 and Each part and title as follows:
1, lower bolster; 2, patrix; 3, die shoe; 4, bend pipe wheel; 5, counterdie; 6, cope match-plate pattern; 7, elastic spacing push rod; 8, holding pad; 9, adjusting nut; 10, rotating shaft; 11, patrix fork; 12, wrinkle resistant piece of patrix; 13, patrix limited post; 14, patrix press-bending block; 15, counterdie swing arm limited post; 16, wrinkle resistant piece of counterdie; 17, counterdie swing arm; 18, plug adjusting nut; 19, elastic limit device; 20, stopper slot; 21, locating slot; 22, elastic pressurized parts; 23, push rod; 24, support, 25 is locating slot I.
Detailed description of the invention
The invention discloses a kind of bend pipe mould, this bend pipe mould bending efficiently can go out be out of shape little bend pipe.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 4, Fig. 1 is the structural representation of bend pipe mould of the present invention.
A kind of bend pipe mould, comprise patrix 2 and counterdie 5, described patrix 2 comprises cope match-plate pattern 6, elastic spacing push rod 7, patrix fork 11, patrix press-bending block 14; Described counterdie 5 comprises lower bolster 1, die shoe 3, counterdie swing arm 17;
The middle part below cope match-plate pattern 6 is located at by described elastic spacing push rod 7; Holding pad 8 is provided with below described elastic spacing push rod 7; Described patrix fork 11 is located at elastic spacing push rod 7 both sides, and the upper end of patrix fork 11 is connected with cope match-plate pattern 6 by rotating shaft 10, and patrix fork 11 can swing 10 around the shaft; Described patrix press-bending block 14 is connected with the lower end of patrix fork 11 by rotating shaft 10, and patrix press-bending block 14 can 10 swing around the shaft; Described patrix press-bending block 14 bottom is patrix wrinkle resistant piece 12;
Described die shoe 3 is located in the middle part of lower bolster 1; Both sides to the side of described die shoe 3 upper surface is provided with locating slot 21, and die shoe 3 is provided with stopper slot 20 in the middle part of upper surface; Described stopper slot 20 cooperatively interacts with the holding pad 8 on elastic spacing push rod 7, its coordinate shape and size corresponding with the shape and size of the tubing that needs are suppressed; Described locating slot 21 is circular arc, and locating slot 21 is corresponding with needing the shape and size of the tubing suppressed; Described counterdie swing arm 17 is connected with the both sides of die shoe 3 by rotating shaft 10, can 10 swing around the shaft; Described counterdie swing arm 17 is provided with counterdie upwards wrinkle resistant piece 16, and described counterdie cooperatively interacts for wrinkle resistant piece 12 with patrix for wrinkle resistant piece 16, its coordinate after geomery corresponding with the shape and size of the tubing that needs are suppressed; Elastic limit device 19 is provided with between described counterdie swing arm 17 and lower bolster 1.
When the bend pipe mould that the embodiment of the present invention provides uses, tubing is dropped in bend pipe mould, and insert plug at tubing two ends, for controlling forming parts, start lathe descending button, platen drive holding pad 8 and patrix fork 11 descending, patrix fork 11 drives patrix press-bending block 14 descending, and holding pad 8 is pushed down in the middle part of tubing, and patrix press-bending block 14 pushes down the both sides of tubing, holding pad 8 and patrix press-bending block 14 form closed coordinating with the counterdie 5 of bend pipe mould, carry out Bending Processing to tubing.Drive in the process of the downward pressed bend of patrix press-bending block 14 at patrix fork 11, patrix fork 11 two ends 10 swing around the shaft respectively when can move downward with patrix 2, can adjust patrix fork 11 is in real time rocked to identical with the bending angle of bend pipe with the angle of horizontal direction, thus makes patrix press-bending block 14 lower surface press close to reach required bending angle mutually with tubing; On the other hand, one end of counterdie swing arm 17 can 10 be swung up and down around the shaft by rotating shaft 10, can adjust counterdie swing arm 17 in real time and be rocked to identical with the bending angle of bend pipe with the angle of horizontal direction.Be parallel to each other because patrix press-bending block 14, counterdie swing arm 17 and tubing have been adjusted to, press close to and mate, realize patrix press-bending block 14 on pipe according to bending angle requirement slip compacting.
As can be seen from technique scheme, bend pipe mould provided by the invention, the downward pressed bend of patrix press-bending block 14 is driven by patrix fork 11, counterdie swing arm 17, patrix press-bending block 14 parallel and identical with the bending angle of bend pipe with the angle of horizontal direction, patrix press-bending block 14 is slided according to bending angle requirement on pipe suppress, thus bending efficiently goes out to be out of shape little bend pipe.
Further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, described elastic spacing push rod 7 comprises elastic pressurized parts 22 and push rod 23; Described elastic pressurized parts 22 top is installed in the middle part of cope match-plate pattern 6, and bottom is connected with push rod 23; Described push rod 23 can elastic pressurized parts 22 act under, along the axial stretching of elastic pressurized parts 22.After platen starts, elastic pressurized parts 22 act on push rod 23, and push rod 23, along elastic pressurized parts 22 axially-movable, drives holding pad 8 to suppress materials in the tube.
In order to the adjustment of bend pipe mould is carried out in the actual demand bent according to tubing, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, to the third side of mould to extending support 24 on described push rod 23; Adjusting nut 9 is provided with between described support 24 and cope match-plate pattern 6.By adjusting nut 9, the distance between patrix fork 11 and cope match-plate pattern 6 can be regulated.
Further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, the both sides of described cope match-plate pattern 6 are provided with patrix limited post 13, and described patrix limited post 13 is for limiting the swing position laterally of patrix fork 11.Lower surface height and the position of patrix limited post 13 are set according to the design requirement of tubing bending angle, upwards swing limit position to herein at patrix fork 11.
Further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, described stopper slot 20, holding pad 8, patrix wrinkle resistant piece 12 and counterdie are semicircle column type for wrinkle resistant piece 16, and the internal diameter of the semicolumn that described stopper slot 20, holding pad 8, patrix wrinkle resistant piece 12 and counterdie are wrinkle resistant piece 16 is consistent with needing the external diameter of the pipe suppressed.Matched for wrinkle resistant piece 16 by patrix wrinkle resistant piece 12 and counterdie and be enclosed in the outer wall of pipe, tubing can be avoided to bend in process and occur fold.
Further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, described elastic limit device 19 is spring, is more particularly gas spring.Elastic limit device 19 pairs of counterdie swing arms 17 are spacing to carrying out during lower swing, can also bend strengthen the support force of counterdie swing arm 17 when block 14 slides and suppresses on pipe at patrix.
Further, as shown in figs 2-4, the centre that both sides are provided with bend pipe wheel 4,4 circumference taken turns by bend pipe of described die shoe 3 offers locating slot I 25.The position, the center of circle that bend pipe takes turns 4 is located in the rotating shaft 10 that described counterdie swing arm 17 is connected with die shoe 3.The positions adjustment of being installed by bend pipe wheel 4, can control the bending angle of tubing easily, or the bend pipe wheel 4 by changing different-diameter specification, and also can control bending angle, the more flexible facility of control mode.
Further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, the two ends of described counterdie swing arm 17 are provided with plug adjusting nut 18.By plug adjusting nut 18, regulate fixing tubing, contribute to controlling forming elbow.
In order to optimize technique scheme further, as shown in Figure 1, in the bend pipe mould that the embodiment of the present invention provides, described die shoe 3 both sides are provided with counterdie swing arm limited post 15, restriction counterdie swing arm 17 swing position upwards.Length and the height of counterdie swing arm limited post 15 are set according to the design requirement of tubing bending angle, upwards swing limit position to herein in counterdie swing arm 17.
The embodiment of the present invention additionally provides a kind of bend pipe pressing process, comprises the following steps:
A. tubing is dropped in bend pipe mould, make it be placed in stopper slot 20 on die shoe 3;
B. cope match-plate pattern 6 drive elastic spacing push rod 7 and patrix fork 11 descending, patrix fork 11 drives patrix press-bending block 14 descending, and holding pad on elastic spacing push rod 78 and stopper slot 20 cooperatively interact and push down in the middle part of tubing;
C. 10 swing around the shaft respectively when patrix fork 11 two ends can move downward with patrix 2, drive patrix press-bending block 14 10 to swing the patrix wrinkle resistant piece 12 slip compacting on pipe made on patrix press-bending block 14 around the shaft;
D. when patrix press-bending block 14 suppresses tubing, drive counterdie swing arm 17 around the shaft 10 to lower swing, make patrix wrinkle resistant piece 12 formation that connects with locating slot 21 bend curve, patrix coordinates edge to bend curved slide motion with locating slot 21 for wrinkle resistant piece 12 to suppress bend pipe.
By this pressing process, bending efficiently little bend pipe be can go out be out of shape, production efficiency and the product quality of bend pipe improved.
Claims (12)
1. a bend pipe mould, comprises patrix (2) and counterdie (5), it is characterized in that:
Described patrix (2) comprises cope match-plate pattern (6), elastic spacing push rod (7), patrix fork (11), patrix press-bending block (14);
Described counterdie (5) comprises lower bolster (1), die shoe (3), counterdie swing arm (17);
The middle part of cope match-plate pattern (6) below is located at by described elastic spacing push rod (7); Described elastic spacing push rod (7) below is provided with holding pad (8); Described patrix fork (11) is located at elastic spacing push rod (7) both sides, and the upper end of patrix fork (11) is connected with cope match-plate pattern (6) by rotating shaft (10), and patrix fork (11) can (10) swing around the shaft; Described patrix press-bending block (14) is connected by the lower end of rotating shaft (10) with patrix fork (11), and patrix press-bending block (14) can (10) swing around the shaft; Described patrix press-bending block (14) bottom is wrinkle resistant piece of patrix (12);
Lower bolster (1) middle part is located at by described die shoe (3); Both sides to the side of the upper surface of described die shoe (3) is provided with locating slot (21), and the middle part of die shoe (3) upper surface is provided with stopper slot (20); Described stopper slot (20) cooperatively interacts with the holding pad (8) on elastic spacing push rod (7), and its shape and size coordinated are corresponding with needing the shape and size of the tubing suppressed; Described locating slot (21) is circular arc, and locating slot (21) is corresponding with needing the shape and size of the tubing suppressed; Described counterdie swing arm (17) is connected by the both sides of rotating shaft (10) with die shoe (3), can (10) swing around the shaft; Described counterdie swing arm (17) is provided with wrinkle resistant piece of counterdie (16) upwards, and wrinkle resistant piece of described counterdie (16) and patrix wrinkle resistant piece (12) cooperatively interact, and the geomery after its cooperation is corresponding with needing the shape and size of the tubing suppressed; Elastic limit device (19) is provided with between described counterdie swing arm (17) and lower bolster (1).
2. bend pipe mould according to claim 1, is characterized in that: described elastic spacing push rod (7) comprises elastic pressurized parts (22) and push rod (23); Described elastic pressurized parts (22) top is installed on cope match-plate pattern (6) middle part, and bottom is connected with push rod (23); Described push rod (23) can elastic pressurized parts (22) effect under, along the axial stretching of elastic pressurized parts (22).
3. bend pipe mould according to claim 2, is characterized in that: to the third side of mould to extending support (24) on described push rod (23); Adjusting nut (9) is provided with between described support (24) and cope match-plate pattern (6).
4. bend pipe mould according to claim 1, it is characterized in that: the both sides of described cope match-plate pattern (6) are provided with patrix limited post (13), described patrix limited post (13) is for limiting the swing position laterally of patrix fork (11).
5. bend pipe mould according to claim 1, it is characterized in that: described stopper slot (20), holding pad (8), patrix wrinkle resistant piece (12) and counterdie wrinkle resistant piece (16) are semicircle column type, the internal diameter of the semicolumn of described stopper slot (20), holding pad (8), wrinkle resistant piece of patrix (12) and counterdie wrinkle resistant piece (16) is consistent with needing the external diameter of the pipe suppressed.
6. bend pipe mould according to claim 1, is characterized in that: described elastic limit device (19) is spring.
7. bend pipe mould according to claim 1, is characterized in that: described elastic limit device (19) is gas spring.
8. bend pipe mould according to claim 1, is characterized in that: the both sides of described die shoe (3) are provided with bend pipe wheel (4), and the centre of bend pipe wheel (4) circumference offers locating slot I (25).
9. bend pipe mould according to claim 8, is characterized in that: the position, the center of circle that bend pipe takes turns (4) is located in the rotating shaft (10) that described counterdie swing arm (17) is connected with die shoe (3).
10. bend pipe mould according to claim 1, is characterized in that: the two ends of described counterdie swing arm (17) are provided with plug adjusting nut (18).
11. bend pipe moulds according to claim 1, is characterized in that: described die shoe (3) both sides are provided with counterdie swing arm limited post (15), restriction counterdie swing arm (17) swing position upwards.
12. 1 kinds of bend pipe pressing process, is characterized in that: comprise the following steps:
A. tubing is dropped in bend pipe mould, make it be placed in stopper slot (20) on die shoe (3);
B. cope match-plate pattern (6) drive elastic spacing push rod (7) and patrix fork (11) descending, patrix fork (11) drives patrix press-bending block (14) descending, and the holding pad (8) on elastic spacing push rod (7) and stopper slot (20) cooperatively interact and push down in the middle part of tubing;
C. when patrix fork (11) two ends can move downward with patrix (2), respectively (10) swing around the shaft, drive patrix press-bending block (14) around the shaft (10) swing wrinkle resistant piece of the patrix (12) on patrix press-bending block (14) slided compacting on pipe;
D. during patrix press-bending block (14) compacting tubing, drive counterdie swing arm (17) around the shaft (10) to lower swing, make wrinkle resistant piece of patrix (12) formation that connects with locating slot (21) bend curve, wrinkle resistant piece of patrix (12) coordinates with locating slot (21) and suppresses bend pipe along bending curved slide motion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340541.9A CN104174764B (en) | 2014-07-17 | 2014-07-17 | A kind of bend pipe mould and bend pipe pressing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340541.9A CN104174764B (en) | 2014-07-17 | 2014-07-17 | A kind of bend pipe mould and bend pipe pressing process |
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| CN104174764A CN104174764A (en) | 2014-12-03 |
| CN104174764B true CN104174764B (en) | 2015-11-25 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396919A (en) * | 2015-12-03 | 2016-03-16 | 苏州广硕精密电子有限公司 | Bending equipment with suitability for pipelines in various specifications |
| CN106345867B (en) * | 2016-08-30 | 2018-10-23 | 浙江嘉达机械制造有限公司 | A kind of control elbow-punching forming machine |
| CN106391853A (en) * | 2016-10-27 | 2017-02-15 | 苏州仓旻电子科技有限公司 | Bending forming die |
| CN110918719A (en) * | 2019-11-28 | 2020-03-27 | 贵州凤安铝业科技有限公司 | Production device and method of aluminum bathroom product |
| CN111097847B (en) * | 2019-12-13 | 2024-06-11 | 昆山捷胜精密电子有限公司 | High-precision bending die for electronic connecting piece of mobile phone |
| CN112659438B (en) * | 2020-12-22 | 2022-07-22 | 山东美氟科技股份有限公司 | Single double-end polytetrafluoroethylene mould pressing rod machining device |
| CN114289570B (en) * | 2021-12-28 | 2024-05-03 | 和跃运动器材(江苏)有限公司 | Processing technology utilizing metal tube stamping and bending device |
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| CN203992002U (en) * | 2014-07-17 | 2014-12-10 | 柳州市楷都汽车零部件有限公司 | A kind of bend pipe mould |
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| JP2012020317A (en) * | 2010-07-15 | 2012-02-02 | Renesas Electronics Corp | Lead processing apparatus, method of processing lead, and lead processing die set |
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| CN201261044Y (en) * | 2008-08-28 | 2009-06-24 | 成都华川电装有限责任公司 | Soft bending die and bending apparatus |
| CN201862695U (en) * | 2010-11-24 | 2011-06-15 | 中国第一汽车集团公司 | Longitudinal beam bending mould structure |
| CN203556690U (en) * | 2013-08-12 | 2014-04-23 | 太仓市微贯机电有限公司 | Bending die for bar stocks |
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