CN101767145A - Punching device - Google Patents
Punching device Download PDFInfo
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- CN101767145A CN101767145A CN201010103185A CN201010103185A CN101767145A CN 101767145 A CN101767145 A CN 101767145A CN 201010103185 A CN201010103185 A CN 201010103185A CN 201010103185 A CN201010103185 A CN 201010103185A CN 101767145 A CN101767145 A CN 101767145A
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- oil cylinder
- hole
- telescopic oil
- punched device
- backstay
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Abstract
The invention provides a punching device which comprises a reversed U-shaped fixed supporting seat, a telescopic oil cylinder and a punching die; the telescopic oil cylinder is fixedly arranged on one end part of the reversed U-shaped fixed supporting seat; the punching die comprises a convex die and a concave die, wherein the convex die is fixedly arranged at the front end part of a piston rod in the telescopic oil cylinder, the concave die is fixedly arranged at the other end part of the reversed U-shaped fixed supporting seat, and the axis of the convex die is collinear with the axis of the concave die; and in the punching process of a component to be punched, the telescopic oil cylinder is used for driving the convex die to penetrate through the component to be punched and to be inserted into a through hole of the concave die. By arranging the telescopic oil cylinder and the punching die at both ends of the reversed U-shaped fixed supporting seat, the telescopic oil cylinder drives the convex die in the punching die to press a longitudinal beam of the component to be punched, the processing efficiency is greatly enhanced, and the coaxiality of the opposite through holes on a main beam and a liner beam can be enhanced because a through hole on the wing surface of the longitudinal beam is processed by adopting a punching mode.
Description
Technical field
The embodiment of the invention relates to plant equipment, relates in particular to a kind of hole punched device.
Background technology
At present, adopt longeron that the crossbeam in the vehicle is carried out support fixation in the vehicle usually.Longeron is made up of lining beam and the girder that is installed in lining beam outside, and the cross section of lining beam and girder is U type structure.Offer coaxial through hole respectively on the aerofoil of lining beam and girder, thereby easily with longeron and miscellaneous part assembling.
Prior art is processed longeron usually in the following way: mode one, girder and lining beam carry out punch operation respectively, and then extrusion modling fits together respectively, because the through hole on girder and the lining beam can't be accomplished with one heart, general with the through hole on the girder as benchmark, adopt again the rocking arm rig get out on the lining beam with girder on the coaxial hole of through hole; Mode two is at first carried out punch operation to girder, then girder and lining beam extrusion modling are fitted together, at last getting out on the lining beam by the rocking arm rig on the aerofoil with girder on the coaxial hole of through hole.
As from the foregoing, the through hole that serves as a contrast on the beam in the longeron in the prior art finally processes by rig, the axiality that rig is difficult to guarantee girder and serves as a contrast the through hole on the beam when boring; And, need the workman higher drilling technique to be arranged, thereby increased the difficulty of processing of through hole on the longeron, and working (machining) efficiency is low with the raising axiality by the through hole on the rig processing lining beam.
Summary of the invention
Technical problem to be solved by this invention is: a kind of hole punched device is provided, the axiality that solves the processing of the through hole on the longeron aerofoil in the prior art is poor, the defective that working (machining) efficiency is low, the through hole axiality height of the longeron that realization processes by hole punched device, and improve the working (machining) efficiency of longeron aerofoil through hole.
Technical scheme provided by the invention is that a kind of hole punched device comprises: inverted U-shaped hold-down support, telescopic oil cylinder and punching die; Described telescopic oil cylinder is installed on described inverted U-shaped hold-down support one end; Described punching die comprises convex mold and female mold, described convex mold is installed in the leading section of piston rod in the described telescopic oil cylinder, described female mold is installed in the other end of described inverted U-shaped hold-down support, the axis conllinear of the axis of described convex mold and described female mold; Carry out in the punch process treating the punching part, described telescopic oil cylinder is used for driving described convex mold and passes the described punching part for the treatment of and insert the through hole of described female mold.
The present embodiment hole punched device, by telescopic oil cylinder and punching die being arranged on the two ends of inverted U-shaped hold-down support, convex mold in the telescopic oil cylinder drive punching die is treated punching part longeron and is pushed, and cooperate and realize longeron is carried out punching with female mold on being installed in inverted U-shaped hold-down support, make on the aerofoil of longeron and offer through hole.For prior art adopts rig processing through hole, process through hole on the aerofoil of the longeron that employing present embodiment hole punched device is right, working (machining) efficiency increases substantially; And, because the through hole on the longeron aerofoil adopts the mode of punching to process, the axiality of relative through hole on can improving girder and serving as a contrast beam.In addition, because less being convenient to of volume of present embodiment hole punched device moved, therefore, the present embodiment hole punched device can be placed into the longeron aerofoil and treat easily longeron to be carried out punching on the position of punching.
Aforesaid hole punched device for when longeron is carried out the punching operation, makes the aerofoil of the axis normal of convex mold in longeron, thereby improves the axiality of relative through hole in the longeron, and hole punched device also comprises positioner; Described positioner is installed on the described telescopic oil cylinder, is used to be resisted against described surface for the treatment of the punching part, so that the axis normal of described convex mold is in described surface for the treatment of the punching part.
Aforesaid hole punched device, described positioner comprises positioning tube, spring and backstay; Described backstay is plugged in the described positioning tube, and the leading section of described backstay stretches out described positioning tube, and the rearward end of described backstay is arranged in described positioning tube, and the diameter of the rearward end of described backstay is greater than the diameter of described positioning tube opening; Described spring is arranged in described positioning tube, and an end of described retainer spring is resisted against the bottom of described positioning tube, and the other end of described retainer spring is resisted against the rearward end of described backstay; Being installed on the described telescopic oil cylinder of described positioning tube, the axis of described backstay is parallel with the axis of described convex mold, and described backstay is used to be resisted against described surface for the treatment of the punching part; Perhaps, described positioner is a positioning rod, and described backstay is installed on the described telescopic oil cylinder, and the axis of described backstay is parallel with the axis of described convex mold.
Aforesaid hole punched device carries out punching for convenient being easy to longeron, and described convex mold is first boss that head has chamfering, and the bottom of described first boss is plugged in first installing hole of offering on the described piston rod; The other end of described inverted U-shaped hold-down support offers second installing hole that is used to plug described female mold; Described female mold is second boss that axis direction has through hole, and the through hole of described second boss is provided with chamfering, and the head of described second boss is plugged in described second installing hole.
Aforesaid hole punched device, for longeron being carried out in the process of punching, make things convenient for the user that punching die in the hole punched device is moved to suitable Working position, hole punched device also comprises suspension, and described suspension comprises guide rail, is slidingly arranged in slide block and connecting rod in the described guide rail; One end and the described slide block of described connecting rod are hinged, and the other end of described connecting rod and described inverted U-shaped hold-down support are hinged; Described suspension is used to drive described inverted U-shaped hold-down support and moves.
Aforesaid hole punched device, the user regulates the height of punching die in the hole punched device for convenience, and described suspension comprises motor, and described motor and described slide block are hinged; The rotating shaft of described motor is provided with the stay cord pipe crimping, and the stay cord that twines on the described stay cord pipe crimping is connected with described connecting rod; Described motor is used to rotate described stay cord pipe crimping, and the stay cord by described stay cord pipe crimping drives described inverted U-shaped hold-down support and moves up and down.
Aforesaid hole punched device is controlled slide block for convenience of the user and is slided in guide rail, and described suspension also comprises slide-driving device, and described slide-driving device is connected with described slide block, is used to drive described slide block and slides along described guide rail.
Aforesaid hole punched device provides power to telescopic oil cylinder for convenience, and hole punched device also comprises hydraulic power system, and described hydraulic power system is connected with described telescopic oil cylinder, and it is flexible to be used to drive described telescopic oil cylinder.
Aforesaid hole punched device is controlled hole punched device for the ease of the user and is carried out punching, and hole punched device also comprises control device, and described control device is electrically connected with described hydraulic power system, and being used to control described hydraulic power system, to drive described telescopic oil cylinder flexible.
Aforesaid hole punched device, described hydraulic power system comprise hydraulic pump and the valving that is connected with described hydraulic pump, and described valving is connected with described telescopic oil cylinder; Described telescopic oil cylinder is a multi-stage oil cylinder; Described control device comprises switch, first pressure switch, second pressure switch and pressure sensor; Described switch is installed on the described multi-stage oil cylinder, and is electrically connected with described hydraulic pump, is used to control described hydraulic pump switch; Described pressure sensor is connected with described second pressure switch with described first pressure switch respectively; Described pressure sensor is used for after the oil pressure that detects described multi-stage oil cylinder raises, trigger described first pressure switch operation, be communicated with pressurizing cylinder in the described multi-stage oil cylinder to control described valving by described first pressure switch, make described pressurizing cylinder operation; Described pressure sensor also is used for after the oil pressure that detects described multi-stage oil cylinder descends, and triggers described second pressure switch operation, to control described valving commutation by described second pressure switch described multi-stage oil cylinder is shunk.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation one of hole punched device embodiment of the present invention;
Fig. 2 is the structural representation of hole punched device embodiment camber mould of the present invention;
Fig. 3 is the structural representation of hole punched device embodiment middle concave mould of the present invention;
Fig. 4 be among Fig. 1 A to partial schematic diagram;
Fig. 5 is the structural representation two of hole punched device embodiment of the present invention;
Fig. 6 is the oil circuit connection layout of hole punched device embodiment of the present invention.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the structural representation one of hole punched device embodiment of the present invention, Fig. 2 is the structural representation of hole punched device embodiment camber mould of the present invention, Fig. 3 is the structural representation of hole punched device embodiment middle concave mould of the present invention, Fig. 4 be among Fig. 1 A to partial schematic diagram.As shown in Figures 1 to 4, the present embodiment hole punched device comprises: inverted U-shaped hold-down support 1, telescopic oil cylinder 2 and punching die.
Particularly, convex mold 31 in the present embodiment is fixed on the leading section of piston rod 21 in the telescopic oil cylinder 2, female mold 32 is fixed on the inverted U-shaped hold-down support 1, convex mold 31 on the telescopic oil cylinder 2 is oppositely arranged with female mold 32 on the inverted U-shaped hold-down support 1, and the axis conllinear of convex mold 31 and female mold 32, thereby can carry out punching to the punching part for the treatment of between convex mold 31 and female mold 32, the punching part for the treatment of in the present embodiment is example with the longeron.
For convenient being easy to longeron is carried out punching, the convex mold 31 in the present embodiment can have first boss of chamfering for head, and the bottom of this first boss is plugged in first installing hole of offering on the piston rod 21 (not shown); The other end of inverted U-shaped hold-down support 1 offers second installing hole (not shown) that is used to plug female mold 32; Female mold 32 has second boss of through hole for axis direction, and the through hole of second boss is provided with chamfering, and the head of second boss is plugged in second installing hole.Concrete, convex mold 31 is set to first boss that head has chamfering, can be easily the bottom of first boss be inserted in first installing hole of piston rod 21, make things convenient for the installation of convex mold 31; Female mold 32 is set to have second boss of through hole, can be easily the head of second boss be inserted in second installing hole on the inverted U-shaped hold-down support 1, makes things convenient for the installation of female mold 32.Because convex mold 31 and female mold 32 are plugged in respectively on piston rod 21 and the inverted U-shaped hold-down support 1, thereby make the user can be according to the processing needs, arbitrary load can process the convex mold 31 and the female mold 32 in different apertures.In addition, owing to all be provided with chamfering structure on convex mold 31 and the female mold 32, the shearing force that the aerofoil of enhancing convex mold 31 and 32 pairs of longerons of female mold is applied when processing through hole, thus can be easy on longeron, process through hole.
Carry out in the punch process treating the punching part, telescopic oil cylinder 2 is used for driving convex mold 31 and passes and treat that the punching part inserts the through hole of female mold 32.Concrete, need process longeron in the process of through hole, telescopic oil cylinder 2 externally under the driving of hydraulic power system, drives convex mold 31 and is resisted against on the aerofoil of longeron; Convex mold 31 withstands longeron to be continued finally to process through hole to the extruding of female mold 32 directions on longeron.
The present embodiment hole punched device, by telescopic oil cylinder and punching die being arranged on the two ends of inverted U-shaped hold-down support, convex mold in the telescopic oil cylinder drive punching die is treated punching part longeron and is pushed, and cooperate and realize longeron is carried out punching with female mold on being installed in inverted U-shaped hold-down support, make on the aerofoil of longeron and offer through hole.For prior art adopts rig processing through hole, process through hole on the aerofoil of the longeron that employing present embodiment hole punched device is right, working (machining) efficiency increases substantially; And, because the through hole on the longeron aerofoil adopts the mode of punching to process, the axiality of relative through hole on can improving girder and serving as a contrast beam.In addition, punching apparatus of the prior art is because bulky, can only carry out punching to the material of flat-type, and can't on the aerofoil of longeron, process through hole, and less being convenient to of the volume of present embodiment hole punched device moved, can be placed into the longeron aerofoil and treat on the position of punching, thereby easily longeron be carried out punching.
Based on technique scheme, optionally,, make the aerofoil of the axis normal of convex mold 31, thereby improve the axiality of relative through hole in the longeron in longeron for when longeron is carried out the punching operation, the present embodiment hole punched device also comprises positioner 4; This positioner 4 is installed on the telescopic oil cylinder 2, is used to be resisted against the surface for the treatment of the punching part, so that the axis normal of convex mold 31 is in the surface for the treatment of the punching part.
Particularly, the positioner in the present embodiment 4 can comprise positioning tube, spring and backstay (not shown); Backstay is plugged in the positioning tube, and the leading section of backstay stretches out positioning tube, and the rearward end of backstay is arranged in positioning tube, and the diameter of the rearward end of backstay is greater than the diameter of positioning tube opening; Spring is arranged in positioning tube, and an end of retainer spring is resisted against the bottom of positioning tube, and the other end of retainer spring is resisted against the rearward end of backstay; Being installed on the telescopic oil cylinder of positioning tube, the axis of backstay is parallel with the axis of convex mold, and backstay is used to be resisted against the surface for the treatment of the punching part.Concrete, backstay can be resisted against on the aerofoil of longeron under the effect of spring, thereby makes the axis of convex mold 31 can be perpendicular to the aerofoil of longeron.Perhaps, present embodiment positioner 4 can be a positioning rod, and this backstay is installed on the telescopic oil cylinder 2, and the axis of backstay is parallel with the axis of convex mold 31.
The present embodiment hole punched device, by positioner is set, make the axis of convex mold can be perpendicular to the aerofoil of longeron, thereby when the aerofoil to longeron carries out punching, the axis normal that can guarantee the through hole that processes is in the aerofoil of longeron, thereby helps improving the axiality of corresponding through hole on longeron middle girder and the lining beam.
Based on technique scheme, optionally, for longeron being carried out in the process of punching, make things convenient for the user that punching die in the hole punched device is moved to suitable Working position, as shown in Figure 5, the present embodiment hole punched device also comprises suspension, and this suspension comprises guide rail 51, is slidingly arranged in slide block 52 and connecting rod 53 in the guide rail 51; One end and the slide block 52 of connecting rod 53 are hinged, and the other end of connecting rod 53 and inverted U-shaped hold-down support 1 are hinged; Suspension is used to drive inverted U-shaped hold-down support 1 and moves.Concrete, the suspension in the present embodiment can drive inverted U-shaped hold-down support 1 and move along guide rail 51, thereby makes things convenient for the user with telescopic oil cylinder 2 and punching die on the inverted U-shaped hold-down support 1, moves to the position that longeron need be processed through hole.
Further, the user regulates the height of punching die in the hole punched device for convenience, and the suspension in the present embodiment can comprise motor 54, and motor 54 is hinged with slide block; The rotating shaft of motor 54 is provided with stay cord pipe crimping (not shown), and the stay cord 541 that twines on this stay cord pipe crimping is connected with connecting rod 53; Motor 54 is used to rotate the stay cord pipe crimping, and the stay cord 541 by the stay cord pipe crimping drives inverted U-shaped hold-down support 1 and moves up and down.Concrete, the user can be rotated by starter motor 54, and the stay cord pipe crimping that drives in motor 54 rotating shafts also is rotated, and stay cord 541 is elongated or shortened, thereby can control the height of punching die easily, so that to longeron processing through hole.Because the convex mold 31 and the female mold 32 of punching die can move to the height that longeron need be processed through hole accurately, thus the axiality of relative through hole on helping improving girder 81 and serving as a contrast beam 82.Wherein, when motor 54 broke down, the staff can make stay cord 541 pull out from the stay cord pipe crimping, thereby make the present embodiment hole punched device can move to the Working position of appointment accurately by pulling stay cord 541, processes punching.
Further, control slide block 52 for convenience of the user and slide in guide rail 51, the present embodiment suspension can also comprise slide-driving device (not shown), and this slide-driving device is connected with slide block 52, is used to drive slide block 52 and slides along guide rail 51.Concrete, the slide-driving device in the present embodiment can be installed in the chain on the slide block 52, by the manual pulling of user slide block 52 is moved.
The present embodiment hole punched device, drive inverted U-shaped hold-down support and move by suspension is set, can easily inverted U-shaped hold-down support be moved to appointed positions, thereby make convex mold and female mold can move to the position that longeron need be processed through hole accurately, make things convenient for the present embodiment hole punched device that longeron is carried out punching processing.
Based on technique scheme, optionally, provide power to telescopic oil cylinder 2 for convenience, hole punched device also comprises hydraulic power system, and this hydraulic power system is connected with telescopic oil cylinder 2, and it is flexible to be used to drive telescopic oil cylinder 2.
Further, control hole punched device for the ease of the user and carry out punching, hole punched device also comprises control device, and this control device is electrically connected with hydraulic power system, and it is flexible to be used to control hydraulic power system driving telescopic oil cylinder 2.
Particularly, to shown in Figure 6, the hydraulic power system in the present embodiment can comprise hydraulic pump 61 and the valving 62 that is connected with hydraulic pump 61 as Fig. 1, and this valving 62 is connected with telescopic oil cylinder 2; Telescopic oil cylinder 2 is a multi-stage oil cylinder; Control device comprises switch 7, the first pressure switches, second pressure switch and pressure sensor (not shown); Switch 7 is installed on the multi-stage oil cylinder, and is electrically connected with hydraulic pump 61, is used to control hydraulic pump 61 switches; Pressure sensor is connected with second pressure switch with first pressure switch respectively; Pressure sensor is used for after the oil pressure that detects multi-stage oil cylinder raises, and triggers the operation of first pressure switch, to be communicated with the pressurizing cylinder (not shown) in the multi-stage oil cylinder by the first pressure switch by-pass valve control device, makes the pressurizing cylinder operation; Pressure sensor also is used for after the oil pressure that detects multi-stage oil cylinder descends, and triggers the operation of second pressure switch, with by the commutation of the second pressure switch by-pass valve control device, multi-stage oil cylinder is shunk.Concrete, when convex mold 31 pushes up longeron in the multi-stage oil cylinder release, oil pressure in the multi-stage oil cylinder raises, after pressure sensor detects oil pressure and is higher than the force value that provides in advance, trigger first pressure switch, and, make pressurizing cylinder work continue to promote 31 pairs of girders of convex mold 81 and serve as a contrast beam 82 to carry out punching by the pressurizing cylinder in the first pressure switch by-pass valve control device connection multi-stage oil cylinder.When convex mold 31 cooperated girder 81 and lining beam 82 punchings end with female mold 32 after, the oil pressure in the multi-stage oil cylinder descended; Pressure sensor triggers second pressure switch after detecting oil pressure decline, and by the commutation of the second pressure switch by-pass valve control device, makes the hydraulic oil reverse flow in the multi-stage oil cylinder, thereby multi-stage oil cylinder is shunk.
The present embodiment hole punched device by hydraulic power system and control device are set, can make things convenient for the user by the present embodiment hole punched device longeron to be carried out punching, thereby has improved the working (machining) efficiency of through hole on the longeron.And, because the volume of present embodiment hole punched device is less, saved more factory building space, the work situation that has improved the workman has alleviated labour intensity, has reduced the processing cost of longeron through hole.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a hole punched device is characterized in that, comprising: inverted U-shaped hold-down support, telescopic oil cylinder and punching die; Described telescopic oil cylinder is installed on described inverted U-shaped hold-down support one end; Described punching die comprises convex mold and female mold, described convex mold is installed in the leading section of piston rod in the described telescopic oil cylinder, described female mold is installed in the other end of described inverted U-shaped hold-down support, the axis conllinear of the axis of described convex mold and described female mold; Carry out in the punch process treating the punching part, described telescopic oil cylinder is used for driving described convex mold and passes the described punching part for the treatment of and insert the through hole of described female mold.
2. hole punched device according to claim 1 is characterized in that, also comprises positioner; Described positioner is installed on the described telescopic oil cylinder, is used to be resisted against described surface for the treatment of the punching part, so that the axis normal of described convex mold is in described surface for the treatment of the punching part.
3. hole punched device according to claim 2 is characterized in that described positioner comprises positioning tube, spring and backstay; Described backstay is plugged in the described positioning tube, and the leading section of described backstay stretches out described positioning tube, and the rearward end of described backstay is arranged in described positioning tube, and the diameter of the rearward end of described backstay is greater than the diameter of described positioning tube opening; Described spring is arranged in described positioning tube, and an end of described retainer spring is resisted against the bottom of described positioning tube, and the other end of described retainer spring is resisted against the rearward end of described backstay; Being installed on the described telescopic oil cylinder of described positioning tube, the axis of described backstay is parallel with the axis of described convex mold, and described backstay is used to be resisted against described surface for the treatment of the punching part; Perhaps, described positioner is a positioning rod, and described backstay is installed on the described telescopic oil cylinder, and the axis of described backstay is parallel with the axis of described convex mold.
4. hole punched device according to claim 1 and 2 is characterized in that, described convex mold is first boss that head has chamfering, and the bottom of described first boss is plugged in first installing hole of offering on the described piston rod; The other end of described inverted U-shaped hold-down support offers second installing hole that is used to plug described female mold; Described female mold is second boss that axis direction has through hole, and the through hole of described second boss is provided with chamfering, and the head of described second boss is plugged in described second installing hole.
5. hole punched device according to claim 1 and 2 is characterized in that, also comprises suspension, and described suspension comprises guide rail, is slidingly arranged in slide block and connecting rod in the described guide rail; One end and the described slide block of described connecting rod are hinged, and the other end of described connecting rod and described inverted U-shaped hold-down support are hinged; Described suspension is used to drive described inverted U-shaped hold-down support and moves.
6. hole punched device according to claim 5 is characterized in that described suspension comprises motor, and described motor and described slide block are hinged; The rotating shaft of described motor is provided with the stay cord pipe crimping, and the stay cord that twines on the described stay cord pipe crimping is connected with described connecting rod; Described motor is used to rotate described stay cord pipe crimping, and the stay cord by described stay cord pipe crimping drives described inverted U-shaped hold-down support and moves up and down.
7. hole punched device according to claim 6 is characterized in that described suspension also comprises slide-driving device, and described slide-driving device is connected with described slide block, is used to drive described slide block and slides along described guide rail.
8. hole punched device according to claim 1 and 2 is characterized in that, also comprises hydraulic power system, and described hydraulic power system is connected with described telescopic oil cylinder, and it is flexible to be used to drive described telescopic oil cylinder.
9. hole punched device according to claim 8 is characterized in that, also comprises control device, and described control device is electrically connected with described hydraulic power system, and being used to control described hydraulic power system, to drive described telescopic oil cylinder flexible.
10. hole punched device according to claim 9 is characterized in that, described hydraulic power system comprises hydraulic pump and the valving that is connected with described hydraulic pump, and described valving is connected with described telescopic oil cylinder;
Described telescopic oil cylinder is a multi-stage oil cylinder; Described control device comprises switch, first pressure switch, second pressure switch and pressure sensor; Described switch is installed on the described multi-stage oil cylinder, and is electrically connected with described hydraulic pump, is used to control described hydraulic pump switch; Described pressure sensor is connected with described second pressure switch with described first pressure switch respectively; Described pressure sensor is used for after the oil pressure that detects described multi-stage oil cylinder raises, trigger described first pressure switch operation, be communicated with pressurizing cylinder in the described multi-stage oil cylinder to control described valving by described first pressure switch, make described pressurizing cylinder operation; Described pressure sensor also is used for after the oil pressure that detects described multi-stage oil cylinder descends, and triggers described second pressure switch operation, to control described valving commutation by described second pressure switch described multi-stage oil cylinder is shunk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103185A CN101767145A (en) | 2010-01-28 | 2010-01-28 | Punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103185A CN101767145A (en) | 2010-01-28 | 2010-01-28 | Punching device |
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| Publication Number | Publication Date |
|---|---|
| CN101767145A true CN101767145A (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010103185A Pending CN101767145A (en) | 2010-01-28 | 2010-01-28 | Punching device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151740A (en) * | 2010-11-23 | 2011-08-17 | 中国汽车技术研究中心 | Handheld portable punching machine |
| CN102513437A (en) * | 2011-11-29 | 2012-06-27 | 山东五征集团有限公司 | Method and device for machining airfoil hole on two-layer beam lining girder of automobile frame |
| CN103264091A (en) * | 2013-07-05 | 2013-08-28 | 武汉大学 | Method and device for double-faced punching |
| CN105689509A (en) * | 2014-11-26 | 2016-06-22 | 无锡市通协物资有限公司 | Sheet metal machining device and method based on pressure detecting and positioning |
-
2010
- 2010-01-28 CN CN201010103185A patent/CN101767145A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151740A (en) * | 2010-11-23 | 2011-08-17 | 中国汽车技术研究中心 | Handheld portable punching machine |
| CN102513437A (en) * | 2011-11-29 | 2012-06-27 | 山东五征集团有限公司 | Method and device for machining airfoil hole on two-layer beam lining girder of automobile frame |
| CN102513437B (en) * | 2011-11-29 | 2014-06-25 | 山东五征集团有限公司 | Method and device for machining airfoil hole on two-layer beam lining girder of automobile frame |
| CN103264091A (en) * | 2013-07-05 | 2013-08-28 | 武汉大学 | Method and device for double-faced punching |
| CN103264091B (en) * | 2013-07-05 | 2014-12-17 | 武汉大学 | Method and device for double-faced punching |
| CN105689509A (en) * | 2014-11-26 | 2016-06-22 | 无锡市通协物资有限公司 | Sheet metal machining device and method based on pressure detecting and positioning |
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