CN106151164A - A kind of plate shearing machine cylinder of adjustable buffering - Google Patents
A kind of plate shearing machine cylinder of adjustable buffering Download PDFInfo
- Publication number
- CN106151164A CN106151164A CN201610705422.8A CN201610705422A CN106151164A CN 106151164 A CN106151164 A CN 106151164A CN 201610705422 A CN201610705422 A CN 201610705422A CN 106151164 A CN106151164 A CN 106151164A
- Authority
- CN
- China
- Prior art keywords
- hole
- screw rod
- adjusting screw
- cylinder
- cylinder barrel
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1414—Characterised by the construction of the motor unit of the straight-cylinder type with non-rotatable piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses the plate shearing machine cylinder of a kind of adjustable buffering, it includes cylinder barrel, piston rod, guide pin bushing, bolt, guide pin bushing is bolted on the end face of cylinder barrel, piston rod is arranged in cylinder barrel, its head stretches out outside guide pin bushing, it also includes that adjustable buffer unit, adjustable buffer unit include fuel feed hole, cushion hole, adjusting screw rod installing hole, adjusting screw rod；Fuel feed hole, cushion hole and adjusting screw rod installing hole are arranged on the bottom of cylinder barrel, fuel feed hole is vertically arranged along the radial direction of cylinder barrel, and it communicates with the cushion hole of level, and adjusting screw rod installing hole is step horizontal hole, communicate with the inner chamber of cylinder barrel, and communicated with cushion hole by vertical transitional pore；Adjusting screw rod is matched by screw thread with adjusting screw rod installing hole.Plate shearing machine cylinder of the present invention can realize buffering well, thus protects frame and Hydraulic Elements, extends the service life of plate shearing machine.
Description
Technical field
The present invention relates to a kind of lathe oil cylinder, particularly relate to a kind of plate shearing machine cylinder.
Background technology
In order to prevent piston rod run in oil cylinder the end to frame produce impact, plate shearing machine cylinder all should be provided with slow
Rush structure, thus avoid damaging frame and Hydraulic Elements.The existing buffer structure of piston rod is: process one bottom cylinder tube
Individual cushion hole, one buffer head of processing, is throttled by the gap between cushion hole and buffer head, thus realizes on the piston rod
Buffering.This kind of structure using effect on small shearing trigger is preferable, but when using this kind of structure on large-scale plate shearing machine, due to
The shear distance of large-scale plate shearing machine lengthens or Carriage Weight increase can cause pressure to be heightened, and this kind of structure there will be buffering deficiency,
I.e. piston rod can run to the end in oil cylinder and frame is produced impact, thus damages frame and Hydraulic Elements, reduces shear
The service life of machine.
Summary of the invention
Problem to be solved by this invention is to provide a kind of novel plate shearing machine cylinder, and it can realize buffering well,
Reduce the impact to lathe, thus protect frame and Hydraulic Elements, extend the service life of plate shearing machine, be suitable for various plate shearing machines
The most large-scale plate shearing machine of lathe.Meanwhile, the present invention can effectively prevent oil cylinder from adsorbing, and is further ensured that the stability of buffering,
And extend the service life of plate shearing machine.
The plate shearing machine cylinder of a kind of adjustable buffering of the present invention, it includes cylinder barrel, piston rod, guide pin bushing, bolt, and guide pin bushing passes through spiral shell
Bolt is fixed on the end face of cylinder barrel, and piston rod is arranged in cylinder barrel, and its head stretches out outside guide pin bushing, and it also includes adjustable buffer part
Part, adjustable buffer unit includes fuel feed hole, cushion hole, adjusting screw rod installing hole, adjusting screw rod；Fuel feed hole, cushion hole and regulation
Screw rod installing hole is arranged on the bottom of cylinder barrel, and fuel feed hole is vertically arranged along the radial direction of cylinder barrel, its cushion hole phase with level
Logical, adjusting screw rod installing hole is step horizontal hole, communicates with the inner chamber of cylinder barrel, and by vertical transitional pore and cushion hole phase
Logical；Adjusting screw rod is matched by screw thread with adjusting screw rod installing hole.
Further, adjusting screw rod is multidiameter, and its left end maximum gauge section is in the outside of cylinder barrel, middle part thread segment with
The thread segment of adjusting screw rod installing hole coordinates, and right-hand member conical section is pressed on central diameter hole and its diameter holes shape of adjusting screw rod installing hole
At the step become on A face.
Further, adjusting screw rod is provided with the groove of placement O.
Further, adjustable buffer unit also includes stop nut, and stop nut is enclosed within adjusting screw rod, and is pressed on cylinder
On the outer bottom of cylinder.
Further, the threaded engagement section between adjusting screw rod and stop nut is bidirectional helical.
Feature on present configuration is: process a cushion hole, cushion hole connection rodless cavity on the bottom of existing cylinder barrel
And adjusting screw rod installing hole, adjusting screw rod is threadedly secured on cylinder bottom, and its right-hand member conical section is pressed on adjusting screw rod peace
At the step that the central diameter hole in dress hole and its diameter holes are formed on A face.The operation principle of the present invention is: loosening, tighten by screw thread
Gap between regulation adjusting screw rod right-hand member conical section and the A face of adjusting screw rod installing hole, thus adjust whole cushion chamber and nothing
Throttleng surface size between bar chamber, thus regulate pressure and the buffer time of buffering.
Further, plate shearing machine cylinder also includes check valve installing hole, check valve, and check valve installing hole is along the radial direction of cylinder barrel
Being horizontally set on the bottom of cylinder barrel, with fuel feed hole at an angle of 90, the bottom of check valve installing hole is passed through mutually with cushion hole, on it
Portion is communicated with the inner chamber of cylinder barrel by transverse holes；Check valve is arranged in check valve installing hole, the inner chamber phase of upper shed and cylinder barrel
Logical, under shed communicates with cushion hole.
Further, sealed by O between the upper and lower opening of check valve.
Characteristic due to plug-in one-way valve, it is allowed to the fluid of hydraulic fluid port is entered in cylinder barrel by plug-in one-way valve, and
The fluid in cylinder barrel is not allowed to enter hydraulic fluid port by plug-in one-way valve；Therefore invention prevents oil cylinder " to adsorb " generation and " pull out
Lid " the generation of phenomenon.
Further, the hydraulic principle of plate shearing machine cylinder is: carried out by adjustable buffer unit between B end and C end
The adjustment of flow thus realize buffering, and oil flows to be controlled (oil-in is B end, and inner cavity of cylinder is C by check valve
End).
The advantage of plate shearing machine cylinder of the present invention: by regulating adjusting screw rod tapering and the gap being horizontally mounted between hole, come
The buffering of regulation oil cylinder；By the metering function of check valve, it is allowed to when piston rod stretches out, the oil in hydraulic fluid port direction can be by unidirectional
Valve enters in cylinder barrel, thus avoids oil cylinder and " adsorb " and the phenomenon of " pulling out lid ".Plate shearing machine cylinder the most of the present invention can be fast
Speed stably realizes the buffering of oil cylinder, thus reduces the impact to lathe so that it is be suitable for various plate shearing machine lathes the biggest
The needs of type plate shearing machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of plate shearing machine cylinder of the present invention；
Fig. 2 is the structural representation of adjusting screw rod；
Fig. 3 is the cushion hole on cylinder barrel and the structural representation of adjusting screw rod installing hole；
Fig. 4 is the scheme of installation one of the plug-in one-way valve on cylinder barrel；
Fig. 5 is the scheme of installation two of the plug-in one-way valve on cylinder barrel；
Fig. 6 is the hydraulic schematic diagram of hydraulic fluid port and inner hole of cylinder.
Detailed description of the invention
Embodiment 1
The plate shearing machine cylinder of a kind of adjustable buffering of the present invention, it includes cylinder barrel 1, piston rod 2, guide pin bushing 3, bolt 6, and guide pin bushing 3 passes through
Bolt 6 is fixed on the end face of cylinder barrel 1, and piston rod 2 is arranged in cylinder barrel 1, and its head stretches out outside guide pin bushing 3, and it also includes adjustable
Buffer unit, adjustable buffer unit includes fuel feed hole 9, cushion hole 7, adjusting screw rod installing hole 8, adjusting screw rod 5；Fuel feed hole 9, slow
Punching 7 and adjusting screw rod installing hole 8 are arranged on the bottom of cylinder barrel 1, and fuel feed hole 9 is vertically arranged along the radial direction of cylinder barrel, its with
The cushion hole 7 of level communicates, and adjusting screw rod installing hole 8 is step horizontal hole, communicates with the inner chamber of cylinder barrel 1, and by vertical
Transitional pore 10 communicates with cushion hole 7；Adjusting screw rod 5 is matched by screw thread with adjusting screw rod installing hole 8.
Embodiment 2
Adjusting screw rod 5 is multidiameter, and its left end maximum gauge section is in the outside of cylinder barrel 1, and middle part thread segment is pacified with adjusting screw rod
The thread segment in dress hole 8 coordinates, and right-hand member conical section is pressed on the step that the central diameter hole of adjusting screw rod installing hole 8 is formed with its diameter holes
On A face, place.
Embodiment 3
The groove placing O it is provided with on adjusting screw rod 5.So, the oil being both possible to prevent in oil cylinder is installed from adjusting screw rod
The bottom in hole 8 spills, and further ensures the reliability of regulation buffering.
Embodiment 4
Adjustable buffer unit also includes that stop nut 4, stop nut 4 are enclosed within adjusting screw rod 5, and is pressed on the outer bottom of cylinder barrel 1
On face.
Embodiment 5
Threaded engagement section between adjusting screw rod 5 and stop nut 4 is bidirectional helical.So, it is possible to prevent between the two to loosen,
Realize preferably locking.
Embodiment 6
Plate shearing machine cylinder also includes check valve installing hole 11, check valve 13, and check valve installing hole is arranged along the radial level of cylinder barrel 1
On the bottom of cylinder barrel, with fuel feed hole 9 at an angle of 90, the bottom of check valve installing hole 11 is passed through with cushion hole 7 phase, and its top leads to
Cross transverse holes 12 to communicate with the inner chamber of cylinder barrel 1；Check valve 13 is arranged in check valve installing hole 11, and upper shed is interior with cylinder barrel 1
Chamber communicates, and under shed communicates with cushion hole 7.
Characteristic due to plug-in one-way valve 13, it is allowed to the fluid of hydraulic fluid port enters in cylinder barrel by plug-in one-way valve,
And do not allow the fluid in cylinder barrel to enter hydraulic fluid port by plug-in one-way valve, thus due to " absorption " when preventing piston rod 2 from stretching out
And produce and impact produced by " pulling out lid " phenomenon, further ensure the stationarity of buffering.
Embodiment 7
Sealed by O 14 between the upper and lower opening of check valve 13, prevent it two-way the most oily.So, oil cylinder both it had been possible to prevent
In oil spill from check valve 13, further ensure the reliability of work.
Embodiment 8
As shown in Figure 6, the hydraulic principle of plate shearing machine cylinder is: carry out flow by adjustable buffer unit between B end and C end
Adjustment thus realize buffering, and by check valve to oil flow to be controlled (oil-in is B end, and inner cavity of cylinder is C end).
Feature in plate shearing machine cylinder structure of the present invention is: process a cushion hole 7, cushion hole on the bottom of existing cylinder barrel
7 connection rodless cavity and adjusting screw rod installing holes 8, adjusting screw rod 5 is threadedly secured on cylinder bottom, and its right-hand member conical section is pressed
At the step formed with its diameter holes in the central diameter hole of adjusting screw rod installing hole 8 on A face.
Plate shearing machine cylinder of the present invention, suitably adds buffer length on the basis of existing buffering, first will regulation during debugging
Screw rod is screwed to extreme position, then slowly adjusts pine adjusting screw rod, when buffering suitable, locked stop nut.In the process of use
In, by tightening or unscrew adjusting screw rod, change adjusting screw rod 5 conical surface and connect inner hole of cylinder with this hole of installing hole 8() between
Gap, thus regulate inflow-rate of water turbine, play the effect of regulation buffering.
In sum, plate shearing machine cylinder of the present invention regulates adjusting screw rod 5 right-hand member conical section and tune by loosening, tighten of screw thread
Gap between the A face of joint screw rod installing hole 8, thus adjust the throttleng surface size between whole cushion chamber and rodless cavity,
Thus regulate pressure and the buffer time of buffering so that it is can adapt to because plate shearing machine shear distance lengthens or Carriage Weight
Increase the buffering of the various lathe needs causing pressure to be heightened, it is ensured that piston rod will not run to the end in oil cylinder, will not be right
Frame produces impact, thus protects frame and Hydraulic Elements, extends the service life of plate shearing machine.Wherein, throttleng surface face
Amass the area between A in the area between the plunger including on cushion hole and piston rod head and the regulation bolt conical surface and figure.
Claims (8)
1. a plate shearing machine cylinder for adjustable buffering, it includes cylinder barrel (1), piston rod (2), guide pin bushing (3), bolt (6), guide pin bushing
(3) being fixed on the end face of cylinder barrel (1) by bolt (6), piston rod (2) is arranged in cylinder barrel (1), and its head stretches out guide pin bushing
(3) outward, it is characterized in that: further comprising adjustable buffer unit, adjustable buffer unit includes fuel feed hole (9), cushion hole (7), regulation
Screw rod installing hole (8), adjusting screw rod (5)；Fuel feed hole (9), cushion hole (7) and adjusting screw rod installing hole (8) are arranged at cylinder barrel
(1) on bottom, fuel feed hole (9) is vertically arranged along the radial direction of cylinder barrel, and it communicates with the cushion hole (7) of level, and adjusting screw rod is pacified
Dress hole (8) is step horizontal hole, communicates with the inner chamber of cylinder barrel (1), and by vertical transitional pore (10) and cushion hole (7) phase
Logical；Adjusting screw rod (5) is matched by screw thread with adjusting screw rod installing hole (8).
Plate shearing machine cylinder the most according to claim 1, is characterized in that: adjusting screw rod (5) is multidiameter, and its left end is maximum straight
Footpath section is in the outside of cylinder barrel (1), and middle part thread segment coordinates with the thread segment of adjusting screw rod installing hole (8), and right-hand member conical section is tight
It is pressed at the step that the central diameter hole of adjusting screw rod installing hole (8) and its diameter holes are formed on A face.
Plate shearing machine cylinder the most according to claim 2, is characterized in that: is provided with on adjusting screw rod (5) and places the recessed of O
Groove.
4., according to the arbitrary described plate shearing machine cylinder of claims 1 to 3, it is characterized in that: adjustable buffer unit also includes locking spiral shell
Female (4), stop nut (4) is enclosed within adjusting screw rod (5), and is pressed on the outer bottom of cylinder barrel (1).
Plate shearing machine cylinder the most according to claim 4, is characterized in that: the spiral shell between adjusting screw rod (5) and stop nut (4)
Stricture of vagina coordinates section to be bidirectional helical.
6., according to the arbitrary described plate shearing machine cylinder of claim 1, it is characterized in that: plate shearing machine cylinder also includes check valve installing hole
(11), check valve (13), check valve installing hole (11) is arranged on the bottom of cylinder barrel along the radial level of cylinder barrel (1), with oil-feed
At an angle of 90, the bottom of check valve installing hole (11) is passed through mutually with cushion hole (7) in hole (9), and transverse holes (12) and cylinder are passed through in its top
The inner chamber of cylinder (1) communicates；Check valve (13) is arranged in check valve installing hole (11), and upper shed communicates with the inner chamber of cylinder barrel (1),
Under shed communicates with cushion hole (7).
Plate shearing machine cylinder the most according to claim 6, is characterized in that: by O type between the upper and lower opening of check valve (13)
Circle (14) seals.
8. according to the plate shearing machine cylinder described in claim 1-7, it is characterized in that: its hydraulic principle is: pass through between B end and C end
Adjustable buffer unit carries out the adjustment of flow thus realizes buffering, and flows to be controlled (oil-feed to oil by check valve
Mouth is B end, and inner cavity of cylinder is C end).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705422.8A CN106151164A (en) | 2016-08-23 | 2016-08-23 | A kind of plate shearing machine cylinder of adjustable buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705422.8A CN106151164A (en) | 2016-08-23 | 2016-08-23 | A kind of plate shearing machine cylinder of adjustable buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151164A true CN106151164A (en) | 2016-11-23 |
Family
ID=57343278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705422.8A Pending CN106151164A (en) | 2016-08-23 | 2016-08-23 | A kind of plate shearing machine cylinder of adjustable buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151164A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11132203A (en) * | 1997-10-28 | 1999-05-18 | Hitachi Constr Mach Co Ltd | Cushioning device for hydraulic cylinder |
| EP1574722A2 (en) * | 2004-03-12 | 2005-09-14 | Bosch Rexroth Teknik AB | Cushioning device |
| CN202293249U (en) * | 2011-09-23 | 2012-07-04 | 中山力劲机械有限公司 | Buffer device of mold-locking cylinder of injection molding machine |
| CN102635590A (en) * | 2012-04-11 | 2012-08-15 | 常州轩达液压机电设备有限公司 | Buffer-length-adjustable hydraulic cylinder |
| CN202431649U (en) * | 2012-01-16 | 2012-09-12 | 中联重科股份有限公司 | Hydraulic damping device |
| CN203548420U (en) * | 2013-11-07 | 2014-04-16 | 沃得数控机床（江苏）有限公司 | Buffer device of hydraulic oil cylinder |
| CN103939419A (en) * | 2013-09-30 | 2014-07-23 | 湖北江山液压科技有限公司 | Hydraulic cylinder constant throttling adjustable buffering device |
| CN205937294U (en) * | 2016-08-23 | 2017-02-08 | 马鞍山市裕华机械制造有限公司 | Plate shearing machine hydro -cylinder of adjustable buffering |
-
2016
- 2016-08-23 CN CN201610705422.8A patent/CN106151164A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11132203A (en) * | 1997-10-28 | 1999-05-18 | Hitachi Constr Mach Co Ltd | Cushioning device for hydraulic cylinder |
| EP1574722A2 (en) * | 2004-03-12 | 2005-09-14 | Bosch Rexroth Teknik AB | Cushioning device |
| CN202293249U (en) * | 2011-09-23 | 2012-07-04 | 中山力劲机械有限公司 | Buffer device of mold-locking cylinder of injection molding machine |
| CN202431649U (en) * | 2012-01-16 | 2012-09-12 | 中联重科股份有限公司 | Hydraulic damping device |
| CN102635590A (en) * | 2012-04-11 | 2012-08-15 | 常州轩达液压机电设备有限公司 | Buffer-length-adjustable hydraulic cylinder |
| CN103939419A (en) * | 2013-09-30 | 2014-07-23 | 湖北江山液压科技有限公司 | Hydraulic cylinder constant throttling adjustable buffering device |
| CN203548420U (en) * | 2013-11-07 | 2014-04-16 | 沃得数控机床（江苏）有限公司 | Buffer device of hydraulic oil cylinder |
| CN205937294U (en) * | 2016-08-23 | 2017-02-08 | 马鞍山市裕华机械制造有限公司 | Plate shearing machine hydro -cylinder of adjustable buffering |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |