CN103182418B - Numerical control punching machine for U-shaped plates - Google Patents

Numerical control punching machine for U-shaped plates Download PDF

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Publication number
CN103182418B
CN103182418B CN201310077756.1A CN201310077756A CN103182418B CN 103182418 B CN103182418 B CN 103182418B CN 201310077756 A CN201310077756 A CN 201310077756A CN 103182418 B CN103182418 B CN 103182418B
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CN
China
Prior art keywords
support
workpiece
main frame
roller
shaped
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Application number
CN201310077756.1A
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Chinese (zh)
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CN103182418A (en
Inventor
孟宪亮
李秀丽
贾现花
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山东拓维数控设备有限公司
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Priority to CN201310077756.1A priority Critical patent/CN103182418B/en
Publication of CN103182418A publication Critical patent/CN103182418A/en
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Publication of CN103182418B publication Critical patent/CN103182418B/en

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Abstract

The invention relates to a numerical control punching machine for U-shaped plates. The numerical control punching machine comprises a host machine, a fixing support and two floating guiding and pressing device arranged on two sides of the host machine, wherein both the host machine and the two floating guiding and pressing devices are arranged on the fixing support; a female die is arranged on the host machine; when a U-shaped workpiece is clamped on the host machine and the two floating guiding and pressing devices and the host machine is in a non-punching state, the ventral side of the U-shaped workpiece is higher than the upper surface of the female die on the host machine, so that the plate is prevented from scratching the female die when the plate is fed after punching is ended, and loss of the lower die is prevented; and as the floating guiding and pressing devices are provided with elastic connecting devices, the left and right sides of the punching machine are buffered through the elastic connecting devices when the U-shaped workpiece is punched by the punching machine, so that impact on support parts on the punching host machine is greatly reduced, the operational reliability of the equipment is guaranteed, and the maintenance cost of the equipment is lowered.

Description

A kind of U-shaped numerical control sheet punching machine
Technical field
the present invention relates to a kind of U-shaped numerical control sheet punching machine, particularly relate to a kind of U-shaped numerical control sheet punching machine with floating pilot materials device.
Background technology
At present, U-shaped numerical control sheet punching machine mainly adopts two kinds of structures, material pressing device is only had not have material guide device time a kind of, U-shaped sheet material send in process not steady in the vertical direction, U-shaped sheet material is caused to affect machining accuracy, one is provided with fixed pilot materials device, substantially do not float, the impulsive force that strengthened of the guiding rail of aiding support roller in the course of the work, easily cause damage, when punching press simultaneously terminates rear sheet feed, cause plate to scratch die, and then causing die to damage, the maintenance cost of equipment is higher.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of U-shaped numerical control sheet punching machine with floating pilot materials device, not only reduce greatly the impact to punching press main frame upper supporting piece, and can prevent plate from not scratching die.
In order to solve the problems of the technologies described above, the present invention includes main frame, fixed support and two floating pilot materials devices, described main frame is arranged on fixed support, described main frame is provided with die, described floating pilot materials device comprises Workpiece clamping device and support, described Workpiece clamping device is positioned at the top of support, Workpiece clamping device is connected by elastic connecting device with support, two floating pilot materials devices are positioned at main frame both sides, the support of two floating pilot materials devices is all fixed on fixed support, when U-shaped clamping workpiece is on main frame and two floating pilot materials devices, and main frame is when being in non punching state, the outside of belly of U-shaped workpiece is higher than the die upper surface on main frame.
In order to increase the rigidity between two floating pilot materials devices, ensure that the uniformity that two floating pilot materials devices float, the support of two floating pilot materials devices is connected by connection bracket II, and the Workpiece clamping device of two floating pilot materials devices is connected by connection bracket I.
Described elastic connecting device comprises guide pillar and helical spring, described guide pillar lower end is provided with base, described guide pillar slides up and down with Workpiece clamping device and is connected, described helical spring to be enclosed within guide pillar and between the base and Workpiece clamping device of guide pillar, ensure that Workpiece clamping device moves up and down along guide pillar in vertical direction, prevent U-shaped workpiece from offseting at left and right directions descending in moving process in vertical direction with Workpiece clamping device.
Send in process to prevent U-shaped workpiece further and move up in left and right and upper and lower, ensure U-shaped workpiece can by steadily sending to not sideslip, described Workpiece clamping device comprises floating pilot material support, for withstanding the fixed reference roller of U-shaped workpiece one flank face, for withstanding the auxiliary positioning roller of U-shaped workpiece opposite side aerofoil, for withstanding the nip rolls of U-shaped back of work and the backing roll for withstanding the U-shaped workpiece outside of belly, described fixed reference roller is arranged on support I, support I is fixedly connected with floating pilot material support, described auxiliary positioning roller is arranged on support II, support II is connected with the drive unit I that driving arm II moves horizontally, nip rolls is connected with the drive unit II driving nip rolls to move up and down, backing roll is arranged on floating pilot material support.
In order to the U-shaped workpiece enabling Workpiece clamping device adapt to different in width, described backing roll comprises fixed support roller and supplemental support roller, described fixed support roller is arranged on described support I, described supplemental support roller is arranged on support III, and support III is connected with the drive unit III that driving arm III moves horizontally.
Reliable and stable when driving to make each drive unit, described drive unit I is cylinder II, and described drive unit II is cylinder III, and described drive unit III is cylinder I, floating pilot material support is provided with the guide rail of level, support II and support III are slidably arranged on guide rail.
The invention has the beneficial effects as follows: U-shaped numerical control sheet punching machine of the present invention, a floating pilot materials device is respectively provided with due to individual in main frame both sides, when main frame is in non punching state, the outside of belly of U-shaped workpiece is higher than the die upper surface on main frame, prevent punching press from terminating rear plate when sending to, plate does not scratch die, thus prevent die to lose, because floating pilot materials device is provided with elastic connecting device, about the buffering of perforating press elastic connecting device when the U-shaped workpiece of punching press, substantially reduce the impact to punching press main frame upper supporting piece, ensure the functional reliability of this equipment, reduce the maintenance cost of equipment.
Accompanying drawing explanation
Fig. 1 is that the present invention floats pilot materials device structural representation;
Fig. 2 is structural representation of the present invention;
Wherein: 1, support, 2, guide pillar, 3, helical spring, 4, cylinder I, 5, cylinder II, 6, guide rail, 7, support II, 8, auxiliary positioning roller, 9, support III, 10, supplemental support roller, 11, cylinder III, 12, nip rolls, 13, U-shaped workpiece, 14, fixed reference roller, 15, support I, 16, fixed support roller, 17, float pilot material support, 18, main frame, 19, connection bracket I, 20, connection bracket II, 21, fixed support.
Detailed description of the invention
Floating pilot materials device as shown in Figure 1, comprise Workpiece clamping device and support 1, described Workpiece clamping device is positioned at the top of support 1, and Workpiece clamping device is connected by elastic connecting device with support 1.Described elastic connecting device comprises guide pillar 2 and helical spring 3, and described guide pillar 2 lower end is provided with base, and guide pillar 2 slides up and down with Workpiece clamping device and is connected, and helical spring 3 to be enclosed within guide pillar 2 and between the base and Workpiece clamping device of guide pillar 2.Described Workpiece clamping device comprises floating pilot material support 17, for withstanding the fixed reference roller 14 of U-shaped workpiece 13 1 flank face, for withstanding the auxiliary positioning roller 8 of U-shaped workpiece 13 opposite side aerofoil, for withstanding the nip rolls 12 at U-shaped workpiece 13 back side and the backing roll for withstanding U-shaped workpiece 13 outside of belly, described fixed reference roller 14 is arranged on support I 15, support I 15 is fixedly connected with floating pilot material support 17, described auxiliary positioning roller 8 is arranged on support II 7, support II 7 is connected with the cylinder II 5 that driving arm II 7 moves horizontally, nip rolls 12 is connected with the cylinder III 11 driving nip rolls 12 to move up and down, backing roll is arranged on floating pilot material support 17.Described backing roll comprises fixed support roller 16 and can adjust the supplemental support roller 10 of Support Position according to U-shaped workpiece 13 width, fixed support roller 16 is arranged on described support I 15, supplemental support roller 10 is arranged on support III 9, and support III 9 is connected with the cylinder I 4 that driving arm III 9 moves horizontally.Described floating pilot material support 17 is provided with the guide rail 6 of level, support II 7 and support III 9 are slidably arranged on guide rail 6.
As shown in Figure 2, U-shaped numerical control sheet punching machine comprises main frame 18, fixed support 21 and is arranged on two floating pilot materials devices of main frame 18 both sides, the support 1 of main frame 18 and two floating pilot materials devices is fixedly installed on fixed support 21, the support 1 of two floating pilot materials devices is connected by connection bracket II 20, and the Workpiece clamping device of two floating pilot materials devices is connected by connection bracket I 19.When U-shaped workpiece 13 clamping is on main frame 18 and two floating pilot materials devices, and when main frame 18 is in non punching state, the outside of belly of U-shaped workpiece 13 is higher than the die upper surface 2-3mm on main frame 18.
The course of work: as Fig. 1, before Fig. 2 is shown on U-shaped workpiece 13 clamping to stamping machine, simultaneously according to the floating pilot materials device of following steps operating host 18 both sides, first step operation cylinder I 4 starting switch, making cylinder I 4 promote support III 9 makes supplemental support roller 10 move left and right along guide rail 6 in the horizontal direction, until the broadband of the broadband adjusted between supplemental support roller 10 and fixed support roller 16 and U-shaped workpiece 13 outside of belly adapts, then on the fixed support roller 16 U-shaped workpiece 13 being placed into two floating pilot materials devices through main frame 18 and supplemental support roller 10, fixed support roller 16 and supplemental support roller 10 are withstood on U-shaped workpiece 13 outside of belly.Second step operation cylinder II 5 starting switch, making cylinder II 5 promote support II 7 makes auxiliary positioning roller 8 move along guide rail 6 to U-shaped workpiece 13 in the horizontal direction, U-shaped workpiece 13 1 flank face is made to lean against on fixed reference roller 14, opposite side aerofoil abuts against on auxiliary positioning roller 8,3rd step operation cylinder III 11 starting switch, makes cylinder III 11 downward promotion nip rolls 12 make it promote nip rolls 12 and withstands on the back side of U-shaped workpiece 13.After Workpiece clamping device fixes U-shaped workpiece 13, operation perforating press main frame 18, the drift of main frame 18 first presses down U-shaped workpiece 13, helical spring 3 produces compression, simultaneously Workpiece clamping device is overall moves until U-shaped workpiece 13 outside of belly is attached on the die of main frame 18 along guide pillar 2 along with helical spring 3 vertically downward, drift exerts a force to U-shaped workpiece 13 further, makes the punching of U-shaped workpiece 13.When the drift of main frame 18 lifts, Workpiece clamping device entirety moves to initial position along with helical spring 3 natural resiliency anamorphic stretching vertically upward along guide pillar 2, then the pilot materials device that floats starts to carry U-shaped workpiece 13, completes one action punching course like this.Due to main frame 18 be in non punching state time, the outside of belly of U-shaped workpiece 13 is higher than the die upper surface on main frame (18), thus prevent U-shaped workpiece 13 not scratch die, thus prevent die to lose, stamping machine float in whole punching course the cushioning effect of helical spring 3 of pilot materials device to greatly reduce on guide rail 6 and stamping machine other support suffered by impact, decrease device damage, ensure the functional reliability of this equipment, decrease maintenance cost.

Claims (3)

1. a U-shaped numerical control sheet punching machine, comprise main frame (18) and fixed support (21), described main frame (18) is arranged on fixed support (21), (18) are provided with die with described main frame, it is characterized in that: also comprise two floating pilot materials devices, the pilot materials device that floats comprises Workpiece clamping device and support (1), described Workpiece clamping device is positioned at the top of support (1), Workpiece clamping device is connected by elastic connecting device with support (1), two floating pilot materials devices are positioned at main frame (18) both sides, the support (1) of two floating pilot materials devices is all fixed on fixed support (21), when U-shaped workpiece (13) clamping is on main frame (18) and two floating pilot materials devices, and main frame (18) is when being in non punching state, the outside of belly of U-shaped workpiece (13) is higher than the die upper surface on main frame (18), described Workpiece clamping device comprises floating pilot material support (17), for withstanding the fixed reference roller (14) of U-shaped workpiece (13) flank face, for withstanding the auxiliary positioning roller (8) of U-shaped workpiece (13) opposite side aerofoil, for withstanding the nip rolls (12) at U-shaped workpiece (13) back side and the backing roll for withstanding U-shaped workpiece (13) outside of belly, described fixed reference roller (14) is arranged on support I (15), support I (15) is fixedly connected with floating pilot material support (17), described auxiliary positioning roller (8) is arranged on support II (7), support II (7) is connected with the drive unit I that driving arm II (7) moves horizontally, nip rolls (12) is connected with the drive unit II driving nip rolls (12) to move up and down, what backing roll height was fixing is arranged on floating pilot material support (17), described backing roll comprises fixed support roller (16) and supplemental support roller (10), described fixed support roller (16) is arranged on described support I (15), described supplemental support roller (10) is arranged on support III (9).
2. U-shaped numerical control sheet punching machine according to claim 1, it is characterized in that: the support (1) of two floating pilot materials devices is connected by connection bracket II (20), the Workpiece clamping device of two floating pilot materials devices is connected by connection bracket I (19).
3. U-shaped numerical control sheet punching machine according to claim 1, it is characterized in that: described elastic connecting device comprises guide pillar (2) and helical spring (3), described guide pillar (2) lower end is provided with base, described guide pillar (2) slides up and down with Workpiece clamping device and is connected, and described helical spring (3) is enclosed within guide pillar (2) and goes up and between the base being positioned at guide pillar (2) and Workpiece clamping device.
CN201310077756.1A 2013-03-12 2013-03-12 Numerical control punching machine for U-shaped plates CN103182418B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310077756.1A CN103182418B (en) 2013-03-12 2013-03-12 Numerical control punching machine for U-shaped plates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310077756.1A CN103182418B (en) 2013-03-12 2013-03-12 Numerical control punching machine for U-shaped plates

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CN103182418A CN103182418A (en) 2013-07-03
CN103182418B true CN103182418B (en) 2015-02-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235746A1 (en) * 1973-07-06 1975-01-31 Behrens Ag
JPH11226667A (en) * 1998-02-12 1999-08-24 Amada Co Ltd Die exclusive for punching
CN101386046A (en) * 2008-10-21 2009-03-18 济南铸锻所捷迈机械有限公司 U shaped beam three-face punching technique and production device using the technique
CN201442058U (en) * 2009-08-13 2010-04-28 青岛东和科技有限公司 Rolling turnover numerical control punch press
CN201988646U (en) * 2010-12-09 2011-09-28 江苏金方圆数控机床有限公司 Guiding and pressing device for automobile side rail numerical control punching production line
CN203140547U (en) * 2013-03-12 2013-08-21 山东拓维数控设备有限公司 Numerical control punching machine for U-shaped plate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235746A1 (en) * 1973-07-06 1975-01-31 Behrens Ag
JPH11226667A (en) * 1998-02-12 1999-08-24 Amada Co Ltd Die exclusive for punching
CN101386046A (en) * 2008-10-21 2009-03-18 济南铸锻所捷迈机械有限公司 U shaped beam three-face punching technique and production device using the technique
CN201442058U (en) * 2009-08-13 2010-04-28 青岛东和科技有限公司 Rolling turnover numerical control punch press
CN201988646U (en) * 2010-12-09 2011-09-28 江苏金方圆数控机床有限公司 Guiding and pressing device for automobile side rail numerical control punching production line
CN203140547U (en) * 2013-03-12 2013-08-21 山东拓维数控设备有限公司 Numerical control punching machine for U-shaped plate

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