CN106424310B - Perforating press - Google Patents

Perforating press Download PDF

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Publication number
CN106424310B
CN106424310B CN201611020939.XA CN201611020939A CN106424310B CN 106424310 B CN106424310 B CN 106424310B CN 201611020939 A CN201611020939 A CN 201611020939A CN 106424310 B CN106424310 B CN 106424310B
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China
Prior art keywords
oil
component
perforating press
housing
push shaft
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Active
Application number
CN201611020939.XA
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Chinese (zh)
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CN106424310A (en
Inventor
王小鹏
王俊
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Europe Shield Technology Co Ltd
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Europe Shield Technology Co Ltd
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Priority to CN201611020939.XA priority Critical patent/CN106424310B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The present invention provides a kind of perforating press, including housing, drive component, eccentric shaft, oil cylinder, hydraulic pump, push shaft, upper trimming die, lower punch and oil return component.Drive component is arranged in housing.Eccentric axis connection drive component.Oil cylinder is arranged in housing.Hydraulic pump includes multiple circumferentially disposed piston components along eccentric shaft, there are multiple oilholes being connected with oil cylinder on each piston component, eccentric shaft turns drive multiple piston components that in-oil cylinder oil is squeezed into the oil pocket of hydraulic pump along being moved perpendicular to the direction of eccentric shaft axis.Push shaft is arranged in housing and is connected with the oil pocket of hydraulic pump, the direction motion in oil pocket where the lower punch of oil-feed pusher axial direction.Upper trimming die is connected with push shaft.Lower punch is oppositely arranged on housing with upper trimming die.Oil return component connection push shaft, oil pocket and oil cylinder, after push shaft moves to defined position to the direction where lower punch, oil return component starts, and the oil in oil pocket is back in oil cylinder through oil return component.

Description

Perforating press
Technical field
The present invention relates to mechanical punching techniques field, and more particularly to a kind of perforating press.
Background technology
Perforating press is a kind of to steel, iron, copper, aluminium sheet, the equipment into the punching of the materials such as shaped steel, channel-section steel, I-steel, extensively should Used in building trade and field work.Existing perforating press mainly includes the pump housing and work head, is point between the pump housing and work head Open, need to be attached using longer oil hose between the two.This structure not only connects complexity, bulky, behaviour Make personnel either use and carry it is very inconvenient.Further, due to needing oil hose between the pump housing and work head It is attached, junction sealing protected from environmental is difficult to keep for a long time, and oil leak generally occurs in use for some time The problems such as, bring very big difficulty to using.
The content of the invention
A kind of the problem of present invention is in order to overcome existing Split type punching machine structure and oil circuit complexity, there is provided perforating press.
To achieve these goals, the present invention provides a kind of integrated perforating press, including housing, drive component, bias Axle, oil cylinder, hydraulic pump, push shaft, upper trimming die, lower punch and oil return component.Drive component is arranged in housing.Eccentric axis connection is driven Dynamic component.Oil cylinder is arranged in housing.Hydraulic pump includes multiple circumferentially disposed piston components along eccentric shaft, each piston group There are multiple oilholes being connected with oil cylinder, eccentric shaft turns drive multiple piston components along perpendicular to eccentric shaft axis on part Direction is moved, and in-oil cylinder oil is squeezed into the oil pocket of hydraulic pump.Push shaft be arranged in housing and with the oil pocket of hydraulic pump It is connected, the direction motion in oil pocket where the lower punch of oil-feed pusher axial direction.Upper trimming die is connected with push shaft.Lower punch and upper punching Mould is oppositely arranged on housing.Oil return component connection push shaft, oil pocket and oil cylinder, when push shaft moves to the direction where lower punch After defined position, oil return component starts, and the oil in oil pocket is back in oil cylinder through oil return component, and oil pocket pressure release, push shaft is retracted.
In one embodiment of the invention, each piston component includes spring base, spring, piston and piston spring.Spring Seat is fixed on housing.Spring is arranged in spring base.Piston is connected with spring, has on piston and multiple is connected with oil cylinder Oilhole.Piston spring is sheathed on piston.
In one embodiment of the invention, oil return component includes push shaft seal disc, relief valve and oil return circuit.Push shaft seal disc Push shaft and oil pocket are connected, there is a through hole on push shaft seal disc.Relief valve is connected with through hole, after the completion of push shaft punching, push shaft Seal disc opens relief valve, and the oil in oil pocket flows into oil return circuit through relief valve.Oil return circuit connects relief valve and oil cylinder.
In one embodiment of the invention, relief valve includes return axle, return spring and return spring.Return axle is arranged at logical In hole.Return spring is sheathed on the outside of return axle, and driving return axle moves along through hole.Return spring is connected with return spring Connect.
In one embodiment of the invention, drive component includes electric machine assembly and the power supply to electric machine assembly power supply, group of motors Part includes motor and connects the connecting shaft of motor and eccentric shaft.
In one embodiment of the invention, motor is alternating current generator.
In one embodiment of the invention, when motor is direct current generator, perforating press also include be connected to direct current generator and partially Moment of torsion increase component between mandrel.
In one embodiment of the invention, moment of torsion increase component is the reducing gear being connected between direct current generator and eccentric shaft Wheel.
In one embodiment of the invention, power supply includes AC input or battery.
In one embodiment of the invention, perforating press also includes the Handheld Division being connected with housing, on Handheld Division having and drive The switch of dynamic component electrical connection.
In summary, perforating press provided by the invention compared with prior art, has advantages below：
Perforating press provided by the invention have by circumferentially disposed multiple piston components in eccentric shaft, on piston component with The oilhole that oil cylinder is connected, eccentric shaft drive multiple piston components to be transported along the axis direction perpendicular to eccentric shaft in rotation process Dynamic, in-oil cylinder oil is squeezed into the oil pocket of hydraulic pump by piston component in motion process, and oily cavity pressure increase promotes Push shaft moves to the direction where lower punch.After the completion of drift, oil return component is activated, and the oil in oil pocket is through oil return component stream To oil cylinder, oil pocket pressure release, push shaft is retracted.Perforating press provided by the invention is by drive component, oil cylinder, hydraulic pump, push shaft, work Head (including upper trimming die and lower punch) and oil circuit have been integrated in enclosure interior in the lump, form the perforating press of integration, not only greatly The big volume for reducing perforating press, while oil circuit and oil sealing are realized between enclosure interior, effectively prevent environment to oil sealing Influence, substantially reduce the probability of oil leak, it is greatly convenient for users.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, And coordinate accompanying drawing, it is described in detail below.
Brief description of the drawings
Fig. 1 show the semi-cutaway of the puncher of one embodiment of the invention offer.
Fig. 2 show in Fig. 1 the enlarged drawing at A.
Fig. 3 show the enlarged drawing of piston component in Fig. 1.
Embodiment
As shown in figure 1, the puncher that the present embodiment provides includes housing 1, drive component 2, eccentric shaft 3, oil cylinder 4, hydraulic pressure Pump 5, push shaft 6, upper trimming die 7, lower punch 8 and oil return component 9.Drive component 2 is arranged in housing 1.Eccentric shaft 3 connects driving group Part 2.Oil cylinder 4 is arranged in housing 1.Hydraulic pump 5 includes multiple circumferentially disposed piston components 51 along eccentric shaft 3, each work There is multiple oilholes (the problem of due to angle, not shown) being connected with oil cylinder 4, the rotational band of eccentric shaft 3 on plug assembly 51 Move multiple piston components 51 to move along the direction perpendicular to eccentric shaft axis, the oil in oil cylinder 4 is squeezed into the oil of hydraulic pump 5 In chamber 52.Push shaft 6 is arranged in housing 1 and is connected with the oil pocket 52 of hydraulic pump, in oil pocket 52 after oil-feed push shaft 6 to lower punch Direction motion where 8.Upper trimming die 7 is connected with push shaft 6.Lower punch 8 is oppositely arranged on housing 1 with upper trimming die 7.Oil return group Part 9 connects push shaft 6, oil pocket 52 and oil cylinder 4, after push shaft 6 moves to defined position to the direction where lower punch 8, oil return group Part 9 starts, and the oil in oil pocket 52 is back in oil cylinder through oil return component, and the pressure release of oil pocket 52, push shaft 6 is retracted.
In the present embodiment, each piston component 51 includes spring base 511, spring 512, piston 513 and piston spring 514.Spring base 511 is fixed on housing 1.Spring 512 is arranged in spring base 511.Piston 513 is connected with spring 512, piston There are multiple oilholes being connected with oil cylinder 4 on 513.Piston spring 514 is sheathed on piston 513.
In the present embodiment, oil return component 9 includes push shaft seal disc 91, relief valve 92 and oil return circuit.Push shaft seal disc 91 connect push shafts 6 and oil pocket 52, have a through hole 911 on push shaft seal disc 91.Relief valve 92 is connected with through hole 911, push shaft 6 After the completion of punching, push shaft seal disc 91 opens relief valve 92, and the oil in oil pocket 52 flows into oil return circuit through relief valve.Oil return circuit Connect relief valve 92 and oil cylinder 4.Relief valve 92 includes return axle 921, return spring 922 and return spring 923.Return axle 921 It is arranged in through hole 911.Return spring 922 is sheathed on the outside of return axle 921, and driving return axle 921 moves along through hole 911. Return spring 923 is connected with return spring 922.
The specific operation principle of perforating press is：Drive component 2 drives eccentric shaft 3 to move, and eccentric shaft 3 squeezes in rotation process Press multiple along its circumferentially disposed piston component 51, have on the piston 513 in piston component 51 and multiple to be connected with oil cylinder 4 Oilhole, piston 513 moves back and forth in the presence of eccentric shaft 3, piston spring 514 and spring 512, by oil during motion Oil in cylinder 4 is squeezed into the oil pocket 52 of hydraulic pump.Pressure increase in oil pocket 52, promotes push shaft 6 and relief valve 92, push shaft 6 drive upper trimming dies 7 are moved to the direction where lower punch 8, and the material between upper trimming die 7 and lower punch 8 is punched out. During push shaft advances, relief valve 92 downwardly together move by the place direction of punch die 8, and the return axle 921 in relief valve 92 is close The through hole 911 sealed on push shaft seal disc, the internal pressure power of oil pocket 52 continue to increase.When punching is completed, positioned at the end of return axle 921 Return spring 923 touches the side wall of push shaft 6, and return spring 923 produces reverse motive force by compression, promotes the edge of return axle 921 Moved away from the direction where lower punch 8, the deblocking through hole 911 of return axle 921, the oily via through holes 911 and oil return in oil pocket 52 return Road is flowed back in oil cylinder 4 (due to angle problem, not shown), the pressure release of oil pocket 52, and the push shaft spring 11 being arranged outside push shaft 6 will push away Axle 6 is counter to roll back.
Perforating press on the market can only realize the punching of the steel plate of less than 6 millimeters thickness at present, and thickness is more than 6 millimeters It can not then complete.The perforating press that the present embodiment provides, realizes oil pressure so that have in oil pocket due to the rotation using eccentric shaft Larger motive force, while set push shaft that there is larger promotion stroke, this will cause perforating press provided by the invention can be to thickness Degree less than 18 millimeters of steel plate more than 6 millimeters is punched out, and can similarly meet steel plate of the thickness below 6 millimeters certainly Punching.
In the present embodiment, drive component 2 includes electric machine assembly and the power supply to electric machine assembly power supply.Electric machine assembly includes Motor 21 and connecting shaft 22, connecting shaft 22 connect motor and eccentric shaft 3.In the present embodiment, motor 21 is alternating current generator, power supply For the AC input that connects of being electrically connected with external communication.However, the present invention is not limited in any way to this.In other embodiments In, used for ease of field, motor 21 can be direct current generator, corresponding, and power supply is the battery for providing direct current.When power supply is During battery, also to include the moment of torsion increase group being connected between direct current generator and eccentric shaft 3 with bigger power, perforating press Part, it is preferred that moment of torsion increase component can be reduction gearing.
For ease of using, in the present embodiment, perforating press also includes the Handheld Division 10 being connected with housing 1, Handheld Division 10 It is upper that there is the switch 101 electrically connected with drive component 2.In other embodiments, when power supply is battery, to reduce perforating press Volume, battery may be provided in Handheld Division 10.
In summary, perforating press provided by the invention compared with prior art, has advantages below：
Perforating press provided by the invention have by circumferentially disposed multiple piston components in eccentric shaft, on piston component with The oilhole that oil cylinder is connected, eccentric shaft drive multiple piston components to be transported along the axis direction perpendicular to eccentric shaft in rotation process Dynamic, in-oil cylinder oil is squeezed into the oil pocket of hydraulic pump by piston component in motion process, and oily cavity pressure increase promotes Push shaft moves to the direction where lower punch.After the completion of drift, oil return component is activated, and the oil in oil pocket is through oil return component stream To oil cylinder, oil pocket pressure release, push shaft is retracted.Perforating press provided by the invention is by drive component, oil cylinder, hydraulic pump, push shaft, work Head (including upper trimming die and lower punch) and oil circuit have been integrated in enclosure interior in the lump, form the perforating press of integration, not only greatly The big volume for reducing perforating press, while oil circuit and oil sealing are realized between enclosure interior, effectively prevent environment to oil sealing Influence, substantially reduce the probability of oil leak, it is greatly convenient for users.
Although the present invention is disclosed above by preferred embodiment, but is not limited to the present invention, this any known skill Skill person, without departing from the spirit and scope of the present invention, a little change and retouching can be made, therefore protection scope of the present invention is worked as It is defined depending on claims scope claimed.

Claims (9)

  1. A kind of 1. perforating press, it is characterised in that including：
    Housing；
    Drive component, it is arranged in the housing；
    Eccentric shaft, connect the drive component；
    Oil cylinder, it is arranged in the housing；
    Hydraulic pump, including multiple circumferentially disposed piston components along eccentric shaft, there is multiple and oil cylinder on each piston component The oilhole being connected, eccentric shaft turns drive multiple piston components along being moved perpendicular to the direction of eccentric shaft axis, by oil cylinder Oil be squeezed into the oil pocket of hydraulic pump；
    Push shaft, it is arranged in the housing and is connected with the oil pocket of hydraulic pump, in oil pocket where the lower punch of oil-feed pusher axial direction Direction motion；
    Upper trimming die, it is connected with the push shaft；
    Lower punch, it is oppositely arranged on the upper trimming die on housing；
    Oil return component, the push shaft, oil pocket and oil cylinder are connected, when push shaft moves to defined position to the direction where lower punch Afterwards, oil return component starts, and the oil in oil pocket is back in oil cylinder through oil return component, and oil pocket pressure release, push shaft is retracted；
    The oil return component includes：Push shaft seal disc, the push shaft and oil pocket are connected, has one to lead on the push shaft seal disc Hole；
    Relief valve, it is connected with the through hole, after the completion of push shaft punching, the push shaft seal disc opens relief valve, in oil pocket Oil flows into oil return circuit through relief valve；
    Oil return circuit, connect the relief valve and oil cylinder.
  2. 2. perforating press according to claim 1, it is characterised in that each piston component includes：
    Spring base, it is fixed on the housing；
    Spring, it is arranged in the spring base；
    Piston, it is connected with the spring, there are multiple oilholes being connected with oil cylinder on the piston；
    Piston spring, it is sheathed on the piston.
  3. 3. perforating press according to claim 1, it is characterised in that the relief valve includes：
    Return axle, it is arranged in the through hole；
    Return spring, the outside of the return axle is sheathed on, drives the return axle to be moved along through hole；
    Return spring, it is connected with the return spring.
  4. 4. perforating press according to claim 1, it is characterised in that the drive component includes electric machine assembly and to group of motors The power supply of part power supply, the electric machine assembly include motor and connect the connecting shaft of motor and eccentric shaft.
  5. 5. perforating press according to claim 4, it is characterised in that the motor is alternating current generator.
  6. 6. perforating press according to claim 4, it is characterised in that when the motor is direct current generator, the perforating press Also include the moment of torsion increase component being connected between direct current generator and eccentric shaft.
  7. 7. perforating press according to claim 6, it is characterised in that moment of torsion increase component for be connected to direct current generator and Reduction gearing between eccentric shaft.
  8. 8. perforating press according to claim 4, it is characterised in that the power supply includes AC input or battery.
  9. 9. perforating press according to claim 1, it is characterised in that the perforating press also includes what is be connected with the housing Handheld Division, there is the switch electrically connected with the drive component on the Handheld Division.
CN201611020939.XA 2016-11-15 2016-11-15 Perforating press Active CN106424310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611020939.XA CN106424310B (en) 2016-11-15 2016-11-15 Perforating press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611020939.XA CN106424310B (en) 2016-11-15 2016-11-15 Perforating press

Publications (2)

Publication Number Publication Date
CN106424310A CN106424310A (en) 2017-02-22
CN106424310B true CN106424310B (en) 2018-03-20

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN106424310B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112455000A (en) * 2020-10-30 2021-03-09 骏业塑胶（深圳）有限公司 Continuous perforating device of film

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2335447A1 (en) * 1973-07-12 1975-01-30 Hydrap Gmbh HYDRAULIC PRESS
JPS58224029A (en) * 1982-06-22 1983-12-26 Ogura Chuck Kk Puncher
CN204276751U (en) * 2014-11-24 2015-04-22 温州杰拓机电有限公司 High-performance rebar cutting machine
CN204276750U (en) * 2014-11-24 2015-04-22 温州杰拓机电有限公司 The bar cropper that oil transportation is stable
CN206184986U (en) * 2016-11-15 2017-05-24 杭州欧盾机电有限公司 Punching machine

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Address after: Hangzhou City, Zhejiang province 310000 Binjiang District River Street No. 688 bin An Lu 2 E floor room 157

Applicant after: Europe Shield Technology Co., Ltd.

Address before: Hangzhou City, Zhejiang province 310000 Binjiang District River Street No. 688 bin An Lu 2 E floor room 157

Applicant before: Hangzhou Oudun Electromechanical Co., Ltd.

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Wang Xiaopeng

Inventor after: Wang Jun

Inventor before: Wang Jun

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