CN104492920A - Device for punching square pipe - Google Patents

Device for punching square pipe Download PDF

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Publication number
CN104492920A
CN104492920A CN201410490234.9A CN201410490234A CN104492920A CN 104492920 A CN104492920 A CN 104492920A CN 201410490234 A CN201410490234 A CN 201410490234A CN 104492920 A CN104492920 A CN 104492920A
Authority
CN
China
Prior art keywords
upper die
punch upper
piercing
die
rectangular tube
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.)
Granted
Application number
CN201410490234.9A
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Chinese (zh)
Other versions
CN104492920B (en
Inventor
喻晓庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI AOLIN AUTO SAFETY SYSTEM Co Ltd
Original Assignee
SHANGHAI AOLIN AUTO SAFETY SYSTEM Co Ltd
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Application filed by SHANGHAI AOLIN AUTO SAFETY SYSTEM Co Ltd filed Critical SHANGHAI AOLIN AUTO SAFETY SYSTEM Co Ltd
Priority to CN201410490234.9A priority Critical patent/CN104492920B/en
Publication of CN104492920A publication Critical patent/CN104492920A/en
Application granted granted Critical
Publication of CN104492920B publication Critical patent/CN104492920B/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
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders
    • 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
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/28Perforating, i.e. punching holes in tubes or other hollow bodies

Abstract

The invention relates to a device for punching a square pipe. The device comprises a pneumatic-hydraulic cylinder (1), an electric control box (2), a rack (3), a working table (4) and a punching die (6). The working table (4) is arranged on the rack (3), and the pneumatic-hydraulic cylinder (1), the electric control box (2) and the punching die (6) are arranged on the working table (4). The pneumatic-hydraulic cylinder (1) is connected with the punching die (6) through a piston rod (5), and a connecting circuit is arranged between the electric control box (2) and the pneumatic-hydraulic cylinder (1). Compared with the prior art, the device is simple in structure, convenient to operate, high in working efficiency and capable of effectively reducing a punching error of a square pipe workpiece; and the pneumatic-hydraulic cylinder is adopted, the large output force can be obtained only through smaller power and energy consumption, and machining cost is effectively saved.

Description

A kind of device for piercing on rectangular tube
Technical field
The invention belongs to Machining Technology field, relate to a kind of device for piercing on rectangular tube.
Background technology
At present, great majority are used for the punch press of part punching, can only realize single punching press one deck plate.This is because when punching press plate, the stamping press of traditional punch press reaches peak value, after punching press terminates, two times punch cannot be proceeded.And square tube is being carried out in punch process, be made up of two-layer plate because square tube is many, therefore, punching need be being carried out respectively to every laminate material of square tube.And general punch press is merely able to carry out single punching press one deck plate, this not only expends too much time and manpower, and may cause the hole position error after secondary punching, so that produces product careless mistake, the requirement of client can not be met, thus bring larger economic loss to producer.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and provide one to utilize pneumohydraulic pressure-cylinder as punching power source, for the device of piercing on rectangular tube.
Object of the present invention can be achieved through the following technical solutions:
A kind of device for piercing on rectangular tube, this device comprises pneumohydraulic pressure-cylinder, electric cabinet, frame, workbench and perforating die, described frame is provided with workbench, described pneumohydraulic pressure-cylinder, electric cabinet, perforating die are all arranged on the table, described pneumohydraulic pressure-cylinder is connected with perforating die by piston rod, is provided with connecting circuit between described electric cabinet and pneumohydraulic pressure-cylinder.
Described perforating die comprises punch upper die, punching counterdie, guide post and base, described base welding on the table, described guide post is a pair, be symmetricly set on the two ends, left and right of base respectively, the two ends, left and right of described punch upper die are arranged with pilot hole, and the bottom of described guide post is by pad and be bolted on base, and top is plugged in the pilot hole of punch upper die, described punching counterdie between two guide posts, and is fixed on base.
Described punching counterdie comprises lower mould bottom plate, limited block and locking fixture, the lower surface of described lower mould bottom plate is fixed on base, the two ends, left and right of upper surface are respectively equipped with a limited block, the surface of this limited block is provided with multiple circular direction recess, and described locking fixture is arranged between two limited blocks.
The inside of described locking fixture offers workpiece clip slot, is provided with guiding plug in this workpiece clip slot.
The lower surface of described punch upper die is provided with two drifts and multiple lead, two described drift longitudinal arrangements, and is positioned at directly over guiding plug, and described multiple leads are arranged with the circular direction recess one_to_one corresponding on limited block surface respectively.
The top of described guide post is arranged with Compress Spring, and is plugged in the pilot hole of punch upper die.
Described punch upper die is connected with piston rod by die shank.
During work, first by guide post the lead on punch upper die lower surface aimed at the circular direction recess on limited block surface, the position of punch upper die is fixed, again square tube workpiece is inserted in the guiding plug of locking fixture, open electric cabinet, start pneumohydraulic pressure-cylinder, pneumohydraulic pressure-cylinder promotes piston rod movement, piston rod drives punch upper die to move downward, two drifts on punch upper die lower surface are instantaneously by square tube workpiece, the hole of lower two-layer plate is washed out, after punching terminates, piston rod drives punch upper die to move upward, punch upper die is under the restoring force effect of Compress Spring, be back to initial position.
Compared with prior art, the present invention has following characteristics:
1) compared with general punch press, pneumohydraulic pressure-cylinder is that comprehensive utilization pneumaticly designs with hydraulic drive feature, and it had both had pneumatic low operating pressure and easy to operate feature, had again the feature of hydraulic drive stationarity;
2) adopt pneumohydraulic pressure-cylinder, less power and energy consumption only need be utilized just to obtain larger power output, greatly saved cost;
3) adopt the structural designs such as guide post, lead, circular direction recess, greatly improve the alignment precision between punch upper die and punching counterdie, thus effectively reduce the punching error of square tube workpiece;
4) because punch upper die is provided with two drifts, one time stamping press just can complete two punchings, effectively improves operating efficiency, saves process time.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of device for piercing on rectangular tube of the present invention;
Fig. 2 is the perforating die structural representation of a kind of device for piercing on rectangular tube of the present invention;
Description of symbols in figure:
1-pneumohydraulic pressure-cylinder, 2-electric cabinet, 3-frame, 4-workbench, 5-piston rod, 6-perforating die, 7-punch upper die, 8-limited block, 9-square tube workpiece, 10-guiding plug, 11-base, 12-guide post, 13-locking fixture, 14-circular direction recess, 15-pad, 16-lead, 17-pilot hole, 18-lower mould bottom plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment:
As shown in Fig. 1 ~ 2, a kind of device for piercing on rectangular tube, this device comprises pneumohydraulic pressure-cylinder 1, electric cabinet 2, frame 3, workbench 4 and perforating die 6, frame 3 is provided with workbench 4, pneumohydraulic pressure-cylinder 1, electric cabinet 2, perforating die 6 are all arranged on workbench 4, pneumohydraulic pressure-cylinder 1 is connected with perforating die 6 by piston rod 5, is provided with connecting circuit between electric cabinet 2 and pneumohydraulic pressure-cylinder 1.
Perforating die 6 comprises punch upper die 7, punching counterdie 8, guide post 12 and base 11, base 11 is welded on workbench 4, guide post 12 is a pair, be symmetricly set on the two ends, left and right of base 11 respectively, the two ends, left and right of punch upper die 7 are arranged with pilot hole 17, and the bottom of guide post 12 is by pad 15 and be bolted on base 11, and top is plugged in the pilot hole 17 of punch upper die 7, punching counterdie 8 between two guide posts 12, and is fixed on the pedestal 11.
Punching counterdie 8 comprises lower mould bottom plate 18, limited block 8 and locking fixture 13, the lower surface of lower mould bottom plate 18 is fixing on the pedestal 11, the two ends, left and right of upper surface are respectively equipped with a limited block 8, the surface of this limited block 8 is provided with multiple circular direction recess 14, and locking fixture 13 is arranged between two limited blocks 8.
The inside of locking fixture 13 offers workpiece clip slot, is provided with guiding plug 10 in this workpiece clip slot.
The lower surface of punch upper die 7 is provided with two drifts and multiple lead 16, two drift longitudinal arrangements, and is positioned at directly over guiding plug 10, and multiple lead 16 is arranged with circular direction recess 14 one_to_one corresponding on limited block 8 surface respectively.
The top of guide post 12 is arranged with Compress Spring, and is plugged in the pilot hole 17 of punch upper die 7.
Punch upper die 7 is connected with piston rod 5 by die shank.
During work, first by guide post 12 lead 16 on punch upper die 7 lower surface aimed at the circular direction recess 14 on limited block 8 surface, the position of punch upper die 7 is fixed, again square tube workpiece 9 is inserted in the guiding plug 10 of locking fixture 13, open electric cabinet 2, start pneumohydraulic pressure-cylinder 1, pneumohydraulic pressure-cylinder 1 promotes piston rod 5 and moves, piston rod 5 drives punch upper die 7 to move downward, two drifts on punch upper die 7 lower surface are instantaneously by square tube workpiece 9, the hole of lower two-layer plate is washed out, after punching terminates, piston rod 5 drives punch upper die 7 to move upward, punch upper die 7 is under the restoring force effect of Compress Spring, be back to initial position.

Claims (8)

1. the device for piercing on rectangular tube, it is characterized in that, this device comprises pneumohydraulic pressure-cylinder (1), electric cabinet (2), frame (3), workbench (4) and perforating die (6), described frame (3) is provided with workbench (4), described pneumohydraulic pressure-cylinder (1), electric cabinet (2), perforating die (6) is all arranged on workbench (4), described pneumohydraulic pressure-cylinder (1) is connected with perforating die (6) by piston rod (5), connecting circuit is provided with between described electric cabinet (2) and pneumohydraulic pressure-cylinder (1).
2. a kind of device for piercing on rectangular tube according to claim 1, it is characterized in that, described perforating die (6) comprises punch upper die (7), punching counterdie (8), guide post (12) and base (11), described base (11) is welded on workbench (4), described guide post (12) is a pair, be symmetricly set on the two ends, left and right of base (11) respectively, the two ends, left and right of described punch upper die (7) are arranged with pilot hole (17), the bottom of described guide post (12) is by pad (15) and be bolted on base (11), top is plugged in the pilot hole (17) of punch upper die (7), described punching counterdie (8) is positioned between two guide posts (12), and be fixed on base (11).
3. a kind of device for piercing on rectangular tube according to claim 2, it is characterized in that, described punching counterdie (8) comprises lower mould bottom plate (18), limited block (8) and locking fixture (13), the lower surface of described lower mould bottom plate (18) is fixed on base (11), the two ends, left and right of upper surface are respectively equipped with a limited block (8), the surface of this limited block (8) is provided with multiple circular direction recess (14), and described locking fixture (13) is arranged between two limited blocks (8).
4. a kind of device for piercing on rectangular tube according to claim 3, is characterized in that, the inside of described locking fixture (13) offers workpiece clip slot, is provided with guiding plug (10) in this workpiece clip slot.
5. a kind of device for piercing on rectangular tube according to Claims 2 or 3 or 4, it is characterized in that, the lower surface of described punch upper die (7) is provided with two drifts and multiple lead (16), two described drift longitudinal arrangements, and be positioned at directly over guiding plug (10), described multiple leads (16) are arranged with circular direction recess (14) one_to_one corresponding on limited block (8) surface respectively.
6. a kind of device for piercing on rectangular tube according to claim 2, is characterized in that, the top of described guide post (12) is arranged with Compress Spring, and is plugged in the pilot hole (17) of punch upper die (7).
7. a kind of device for piercing on rectangular tube according to claim 1 and 2, is characterized in that, described punch upper die (7) is connected with piston rod (5) by die shank.
8. according to a kind of device for piercing on rectangular tube described in claim 1 to 7, it is characterized in that, during work, first pass through guide post (12) by the circular direction recess (14) on lead (16) aligning limited block (8) surface on punch upper die (7) lower surface, the position of punch upper die (7) is fixed, again square tube workpiece (9) is inserted in the guiding plug (10) of locking fixture (13), open electric cabinet (2), start pneumohydraulic pressure-cylinder (1), pneumohydraulic pressure-cylinder (1) promotes piston rod (5) motion, piston rod (5) drives punch upper die (7) to move downward, two drifts on punch upper die (7) lower surface are instantaneously by square tube workpiece (9), the hole of lower two-layer plate is washed out, after punching terminates, piston rod (5) drives punch upper die (7) to move upward, punch upper die (7) is under the restoring force effect of Compress Spring, be back to initial position.
CN201410490234.9A 2014-09-23 2014-09-23 device for punching square tube Active CN104492920B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410490234.9A CN104492920B (en) 2014-09-23 2014-09-23 device for punching square tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410490234.9A CN104492920B (en) 2014-09-23 2014-09-23 device for punching square tube

Publications (2)

Publication Number Publication Date
CN104492920A true CN104492920A (en) 2015-04-08
CN104492920B CN104492920B (en) 2020-01-31

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ID=52934420

Family Applications (1)

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CN201410490234.9A Active CN104492920B (en) 2014-09-23 2014-09-23 device for punching square tube

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2298108Y (en) * 1997-09-17 1998-11-25 江苏亚星客车集团扬州客车座椅厂 Device for punching on pipe fitting
US20080163662A1 (en) * 2007-01-08 2008-07-10 Dagan Moshe Tube punching and collaring system, device and method
CN202570955U (en) * 2012-03-16 2012-12-05 上海小虎机械科技有限公司 Square tube punching device
CN203830536U (en) * 2014-04-08 2014-09-17 上海威克迈龙川汽车发动机零件有限公司 Round pipe forming and punching die and equipment all-in-one machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2298108Y (en) * 1997-09-17 1998-11-25 江苏亚星客车集团扬州客车座椅厂 Device for punching on pipe fitting
US20080163662A1 (en) * 2007-01-08 2008-07-10 Dagan Moshe Tube punching and collaring system, device and method
CN202570955U (en) * 2012-03-16 2012-12-05 上海小虎机械科技有限公司 Square tube punching device
CN203830536U (en) * 2014-04-08 2014-09-17 上海威克迈龙川汽车发动机零件有限公司 Round pipe forming and punching die and equipment all-in-one machine

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