CN204208957U - The punching device of thermofin - Google Patents

The punching device of thermofin Download PDF

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Publication number
CN204208957U
CN204208957U CN201420420127.4U CN201420420127U CN204208957U CN 204208957 U CN204208957 U CN 204208957U CN 201420420127 U CN201420420127 U CN 201420420127U CN 204208957 U CN204208957 U CN 204208957U
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China
Prior art keywords
mould
punching
die
punch press
compacted under
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CN201420420127.4U
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Chinese (zh)
Inventor
赵大为
王明志
黄安庭
贾百川
贾绍泉
刘学成
郑永新
娄蓉
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Hang Yang Group Co ltd
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Hangzhou Hangyang Co Ltd
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Abstract

The punching device of thermofin, it is formed primarily of the accurate punch press of a station symbol, a set of punching die and a servo feeder, described mould is arranged in standard punch press, complete the forming action in punching process and the action of de-material, and described servo feeder is arranged on the feeding mouth side of standard punch press, nip rolls is utilized to complete feeding work step under the drive of servomotor; Described punching die is primarily of upper bolster, upper shaping mould, stripper plate, compacted under mould, de-material jacking block, die shoe composition, and upper and lower die holder is separately fixed on the upper lower platen of standard punch press; Upper shaping mould is bolted on upper bolster, and stripper plate, compacted under mould are all connected with die shoe by bolt; De-material jacking block is then installed in the mould die cavity of compacted under mould; Described preparation method comprises following three work steps: shaping, the demoulding, feeding, above-mentioned three work steps constantly circulate, and complete fin continuously punching work.

Description

The punching device of thermofin
Technical field
The utility model relates to a kind of punching device of thermofin, belong to plate-fin heat exchanger preparing technical field.
Background technology
Core part in plate-fin heat exchanger---thermofin, domestic and international specification of producing and use has reached more than 200 kinds at present.Along with the development of industry, the demand of user, the different demands such as design pressure raising, high-low pressure integratedization, more and more higher to thermofin quality requirement, therefore need constantly to research and develop Novel fin and improve fin quality to promote the lifting of product.With current moulding process and mould structure form, reach a technical bottleneck: namely sawtooth (J) type Limit specifications is 63.5J1404/30, porous (D) type Limit specifications is 63.5D1505/5.75, and mould damage is comparatively frequent, and production difficulty is larger.
Traditional thermofin moulding process mainly relies on nonstandard shaping equipment, four molding cutters are arranged on respectively on four die holders of equipment, shaping 1, shaping 2, de-material 1, de-material 2 will be completed in molding cycles, return cutter, shaping 3, shaping 4, de-material 3, ten work steps such as de-material 4, charging.Everything has driven by shaping equipment, quite high to equipment precision requirement, simultaneously because shaping step is many, current shaping speed controls at ~ 30 revs/min, and punching width is 300mm, and it is 600mm that our factory also once manufactures experimently wide cut, speed is promoted to the model machine of 60 revs/min, all ends in failure.Simultaneously due to the complexity of equipment and moulding process, three of an equipment die holder must be pulled down by each debugging new product, and again load onto after changing molding cutter, debugging difficulty is large, the time is long again; When product mass problem or quality are unstable, problem analysis, difficulty of dealing with problems is large, the time is long.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, and provides a kind of terminal with compact integral structure, and mould structure is simple, and production efficiency is high, and repeatable accuracy is high, the punching device of stay-in-grade thermofin.
The purpose of this utility model has been come by following technical solution, a kind of punching device of thermofin, it is formed primarily of the accurate punch press of a station symbol, a set of punching die and a servo feeder, described mould is arranged in standard punch press, complete the forming action in punching process and the action of de-material, and described servo feeder is arranged on the feeding mouth side of standard punch press, nip rolls is utilized to complete feeding work step under the drive of servomotor; Described punching die is primarily of upper bolster, upper shaping mould, stripper plate, compacted under mould, de-material jacking block, die shoe composition, and upper and lower die holder is separately fixed on the upper lower platen of standard punch press; Upper shaping mould is bolted on upper bolster, and stripper plate, compacted under mould are all connected with die shoe by bolt; De-material jacking block is then installed in the mould die cavity of compacted under mould.
Described upper bolster is fastened by bolts on the upper platen of punch press, and upper shaping mould is fixed on upper bolster and can pump with upper platen;
Described die shoe and the lower platen of punch press are bolted connection and become compacted under mould, de-installation base surface of expecting jacking block and fixed structure piece thereof;
Described stripper plate to be arranged on die shoe and to form the die cavity that makes shaping mould knee-action wherein, upper shaping mould is after completing punching work step, to move upward, now, the fin of forming due to frictional force can thereupon upwards, fin withstands motionless by stripper plate, guarantees that upper shaping mould is deviate from from fin, avoids getting stuck;
Compacted under mould is assembled by front cutter and rear cutter, and form a compacted under mould die cavity, de-material jacking block is installed in this compacted under mould die cavity, in the process moved upward after upper shaping mould completes punching press action, move upward under action of reset spring, the fin of forming is released compacted under mould die cavity, guarantee that material can not blocking.
Utilize punching device described above to carry out a preparation method for thermofin, described preparation method comprises following three work steps:
First work step: upper shaping mould moves downward, be pressed on by material on de-material jacking block, now servo feeder nip rolls unclamps, and material is removable; Upper shaping mould continues down to move, and extruding de-material jacking block moves downward the position that reaches capacity simultaneously, completes forming action, and in forming process, feed end material and discharge end material are simultaneously, constant speed flows in compacted under mould die cavity;
Second work step: upper shaping mould moves upward, de-material jacking block upwards action simultaneously under the effect of back-moving spring simultaneously, promotes shaping fin and compacted under moulding/demoulding; When de-material jacking block is returned to original position, the nip rolls of servo feeder compresses material, prevents material from having play; Upper shaping mould continues to move upward, shaping fin under stripper plate effect with the upper shaping mould demoulding;
3rd work step: after shaping fin completes the demoulding, servo feeder drives material to complete forward charging action, goes up shaping mould simultaneously and continues to move up to start position;
Above-mentioned three work steps constantly circulate, and complete fin continuously punching work.
The utility model is formed primarily of standard punch press, punching die, servo feeder, three effectively gathers the punching being integrated fin, and the division of labor is clear and definite: the up and down reciprocatingly action of standard upper die of punching press plate completes the forming action in punching process and takes off material action, and provides shaping power; Punching die then completes forming materials work under the drive of punch press; Servo feeding mechanism then completes feeding work step, and the mutual cooperation of three completes whole punching work.
The utility model belongs to the improvement to prior art, ten of originaling forming technique step sequences are reduced to three step sequences by it: shaping, the demoulding, feeding, all the time shaping work is completed at same work step, repeatable accuracy is high, punching speed is promoted to more than 150 revs/min by ~ 30 revs/min, the width of punching is simultaneously increased to 600mm by original 300mm, and production efficiency reaches former technique 10 times.
The utility model adopts bilateral shaping, and in forming process, mould two sided is simultaneously stressed, and two-sided side force is cancelled out each other, and die deformation is minimum, enhances the stability of mould greatly; Former technique is then one-sided shaping, and mould is large by shaping side force, and in forming process, mould has obvious flexural deformation, particularly when the highly dense fin of punching fine pith, thick material, mould because of unidirectional force fragile.
The utility model forming action completes at same work step (position), and repeatable accuracy is high; Original technique then has four forming action and is completed respectively by four moulds, needs repeatedly to debug.
The modular structure that the utility model adopts can complete fast-assembling, and individual factor is little on product quality impact; Original mould is installed one by one by scattered part, and restrict comparatively large by personal liability heart technical ability and experience, installation quality is unstable.
Therefore the utility model has following technique effect:
1. mould molding action simplifies, and greatly enhances productivity;
2. mould structure is simple, and forming force directly acts on material, and repeatable accuracy is high, steady quality;
3. mould is divided into modules according to function, install, debug simple and reliable;
4. in forming process, owing to being that two sided is shaping, suffered by upper shaping mould, side force is cancelled out each other, only by vertical forces; Before compacted under mould, cutter is overall structure, and rigidity is high; After compacted under mould, cutter is monolithic, and be fastened on die shoe, projection is only 5.85mm at most, compared to the 15mm of former process mould, side direction moment of flexure when substantially reducing shaping, said structure effectively raises the rigidity of mould, can reach the 3-5 of former process mould its service life doubly.
Accompanying drawing explanation
Fig. 1 is the structural representation of equipment described in the utility model;
Fig. 2 is the structural representation of punching die described in the utility model;
Fig. 3 is moulding process schematic diagram described in the utility model;
Label shown in figure has: 1, upper bolster, and 2, upper shaping mould, 3, stripper plate, 4, compacted under mould, 5, de-material jacking block, 6, die shoe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail: shown in Fig. 1, the punching device of a kind of thermofin described in the utility model, it is formed primarily of the accurate punch press of a station symbol 7, a set of punching die 8 and a servo feeder 9, described punching die 8 is arranged in standard punch press 7, complete the forming action in punching process and the action of de-material, and described servo feeder 9 is arranged on the feeding mouth side of standard punch press, nip rolls is utilized to complete feeding work step under the drive of servomotor;
Shown in Fig. 2, described punching die forms primarily of upper bolster 1, upper shaping mould 2, stripper plate 3, compacted under mould 4, de-material jacking block 5, die shoe 6, and upper and lower die holder 1,6 is separately fixed on the upper lower platen of standard punch press; Upper shaping mould 2 is bolted on upper bolster 1, and stripper plate 3, compacted under mould 4 are all connected with die shoe 6 by bolt; De-material jacking block 5 is installed in the mould die cavity of compacted under mould 4.
Described upper bolster 1 is fastened by bolts on the upper platen of punch press 7, and upper shaping mould 2 is fixed on upper bolster 1 and can pump with upper platen;
Described die shoe 6 and the lower platen of punch press 7 are bolted connection and become compacted under mould 4, de-installation base surface of expecting jacking block 5 and fixed structure piece thereof;
Described stripper plate 3 to be arranged on die shoe 6 and to form the die cavity that makes shaping mould 2 knee-action wherein, upper shaping mould 2 is after completing punching work step, to move upward, now, the fin of forming due to frictional force can thereupon upwards, fin withstands motionless by stripper plate 3, guarantees that upper shaping mould 2 is deviate from from fin, avoids getting stuck;
Compacted under mould 4 is assembled by front cutter and rear cutter, and form a compacted under mould die cavity, de-material jacking block 5 is installed in this compacted under mould die cavity, in the process moved upward after upper shaping mould 2 completes punching press action, move upward under action of reset spring, the fin of forming is released compacted under mould die cavity, guarantee that material can not blocking.
Shown in Fig. 3, a kind of preparation method utilizing punching device described above to carry out thermofin, described preparation method comprises following three work steps:
First work step: upper shaping mould 2 moves downward, be pressed on by material on de-material jacking block 5, now servo feeder nip rolls unclamps, and material is removable; Upper shaping mould 2 continues down to move, and extruding de-material jacking block 5 moves downward the position that reaches capacity simultaneously, completes forming action, and in forming process, feed end material and discharge end material are simultaneously, constant speed flows in compacted under mould 4 die cavity;
Second work step: upper shaping mould 2 moves upward, de-material jacking block 5 upwards action simultaneously under the effect of back-moving spring simultaneously, promotes shaping fin and compacted under mould 4 demoulding; When de-material jacking block 5 is returned to original position, the nip rolls of servo feeder compresses material, prevents material from having play.Upper shaping 2 moulds continue to move upward, shaping fin under stripper plate 3 acts on the demoulding of upper shaping mould 2;
3rd work step: after shaping fin completes the demoulding, servo feeder drives material to complete forward charging action, goes up shaping mould 2 simultaneously and continues to move up to start position; Above-mentioned three work steps constantly circulate, and complete fin continuously punching work.

Claims (2)

1. the punching device of thermofin, it is formed primarily of the accurate punch press of a station symbol, a set of punching die and a servo feeder, described mould is arranged in standard punch press, complete the forming action in punching process and the action of de-material, and described servo feeder is arranged on the feeding mouth side of standard punch press, nip rolls is utilized to complete feeding work step under the drive of servomotor; It is characterized in that described punching die is primarily of upper bolster, upper shaping mould, stripper plate, compacted under mould, de-material jacking block, die shoe composition, upper and lower die holder is separately fixed on the upper lower platen of standard punch press; Upper shaping mould is bolted on upper bolster, and stripper plate, compacted under mould are all connected with die shoe by bolt; De-material jacking block is then installed in the mould die cavity of compacted under mould.
2. the punching device of thermofin according to claim 1, is characterized in that described upper bolster is fastened by bolts on the upper platen of punch press, and upper shaping mould is fixed on upper bolster and can pump with upper platen;
Described die shoe and the lower platen of punch press are bolted connection and become compacted under mould, de-installation base surface of expecting jacking block and fixed structure piece thereof;
Described stripper plate to be arranged on die shoe and to form the die cavity that makes shaping mould knee-action wherein, upper shaping mould is after completing punching work step, to move upward, now, the fin of forming due to frictional force can thereupon upwards, fin withstands motionless by stripper plate, guarantees that upper shaping mould is deviate from from fin, avoids getting stuck;
Compacted under mould is assembled by front cutter and rear cutter, and form a compacted under mould die cavity, de-material jacking block is installed in this compacted under mould die cavity, in the process moved upward after upper shaping mould completes punching press action, move upward under action of reset spring, the fin of forming is released compacted under mould die cavity, guarantee that material can not blocking.
CN201420420127.4U 2014-07-29 2014-07-29 The punching device of thermofin Active CN204208957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN204208957U true CN204208957U (en) 2015-03-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128410A (en) * 2014-07-29 2014-11-05 杭州杭氧股份有限公司 Punching device for heat transfer fins and preparation method of heat transfer fins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128410A (en) * 2014-07-29 2014-11-05 杭州杭氧股份有限公司 Punching device for heat transfer fins and preparation method of heat transfer fins

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Address after: No.799, Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province

Patentee after: Hangzhou oxygen generator group Co.,Ltd.

Address before: 311241, No. 99, East Ring Road, Qingshan Lake Street, Hangzhou, Zhejiang, Ling'an

Patentee before: HANGZHOU HANGYANG Co.,Ltd.

CP03 Change of name, title or address
CP01 Change in the name or title of a patent holder

Address after: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province

Patentee after: Hang Yang Group Co.,Ltd.

Address before: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province

Patentee before: Hangzhou oxygen generator group Co.,Ltd.