CN205463965U - Locking mechanism in bending machine - Google Patents
Locking mechanism in bending machine Download PDFInfo
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- CN205463965U CN205463965U CN201620089696.4U CN201620089696U CN205463965U CN 205463965 U CN205463965 U CN 205463965U CN 201620089696 U CN201620089696 U CN 201620089696U CN 205463965 U CN205463965 U CN 205463965U
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- clamping
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Abstract
The utility model discloses a locking mechanism in bending machine in the bending machine field, include: a housing, movable support has the main shaft in the casing, the front -end of spindle is equipped with bent pipe arm, the main shaft internalization is equipped with the rotary die axle, the main shaft is all stretched out at both ends around the rotary die axle, the front end of rotary die axle is equipped with a round mould, wheel mould below is equipped with double -layered mould, be provided with compound die actuating mechanism and slide rail on bent pipe arm, be equipped with the slider in the slide rail, slider one side is connected with compound die actuating mechanism, the opposite side of slider is equipped with the compound die adjusting part that is used for interval between adjustable clamp mould and the wheel mould, the compound die adjusting part is connected with the clamp mould, thereby it can drive slider along feasible mould and wheel mutual compound die of mould or the alternate segregation of pressing from both sides of slide rail round trip movement to start compound die actuating mechanism. The utility model has the advantages of can through adjustable clamp mould and the initial distance of wheel between the mould eliminate press from both sides the mould when the hydraulic oil volume change produced displacement deviation, can improve the compound die precision and reduce the maintenance cost.
Description
Technical field
This utility model relates to bending machine field, particularly relates to the clamping in bending machine.
Background technology
Bending machine is the process equipment that tubing is curved molding; at present in bending machine frequently with a kind of clamping; including: casing; in casing, expansion bearing has main shaft; front-end of spindle is provided with bending pipe arm, is provided with revolving die axle in main shaft, and before and after revolving die axle, main shaft is all stretched out at two ends; and be connected by bearing between revolving die axle and main shaft, so that revolving die axle and main shaft can independently rotate and non-interference；Being provided with wheel mould in the front end of revolving die axle, wheel mould is provided with upper impression, is installed with oil cylinder on bending pipe arm, the piston rod of oil cylinder is protruding to be fixedly connected with clamping afterwards, and clamping can match with wheel mould, and clamping is provided with lower impressions.After starting oil cylinder, the piston rod of oil cylinder can make clamping mutually clamp matched moulds with wheel mould or be separated from each other.
The clamping of said structure has the disadvantage in that one, clamping is directly connected with the piston rod of oil cylinder, and when clamping and the wheel mutual matched moulds of mould, piston rod is subjected to the biggest active force, is easily caused piston rod and damages during actual use.It addition, the displacement of clamping is determined by the distance of stretch out and draw back of the piston rod of oil cylinder completely, when needing the tubing that some calibers are bigger is processed, can only the length of eye-bolt shaft, but this also makes piston rod be more prone to damage, and adds maintenance cost；Two, in-oil cylinder fluid the most inevitably occurs oil liquid temperature to rise the situation making fluid volumetric expansion, in the case of wintry weather cold, there will be the most again oil liquid temperature reduce and cause the situation of fluid volume-diminished, these all can cause the clamping displacement generation error when matched moulds, the phenomenon that matched moulds is too tight or too loose easily occurs, matched moulds tension can cause the damage of clamping and wheel mould, matched moulds crosses pine cannot clamp the most again tubing, thus can affect the quality of bend pipe.
Utility model content
Solve the technical problem that needed for this utility model and be: provide a kind of installation site that can regulate clamping so that it is guaranteed that die-closed position clamping in the bending machine of active force suffered by cylinder piston rod accurately and when can effectively reduce matched moulds.
nullFor solving the problems referred to above，The technical solution adopted in the utility model is: the clamping in bending machine，Including: casing，In casing, expansion bearing has main shaft，Front-end of spindle is provided with bending pipe arm，Revolving die axle it is provided with in main shaft，Before and after revolving die axle, main shaft is all stretched out at two ends，And it is connected by bearing between revolving die axle and main shaft，The front end of revolving die axle is provided with wheel mould，It is provided with upper impression on wheel mould，It is provided with below wheel mould and takes turns the clamping that mould matches，The lower impressions of cooperation corresponding with upper impression it is provided with in clamping，Bending pipe arm is provided with matched moulds drive mechanism and slide rail，Slide rail is provided with the slide block that can move back and forth along slide rail，Slide block side is connected with matched moulds drive mechanism，The opposite side of slide block is provided with for regulating the matched moulds adjusting part of spacing between clamping and wheel mould，Matched moulds adjusting part is connected with clamping，Start matched moulds drive mechanism energy band movable slider to move back and forth along slide rail so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
Further; clamping in aforesaid bending machine; wherein: the concrete structure of described matched moulds drive mechanism includes: the die cylinder being fixedly installed on bending pipe arm; it is provided with linkage on the piston rod of die cylinder; linkage is connected with slide block, and die cylinder can be moved back and forth along slide rail by linkage band movable slider so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
nullFurther，Clamping in aforesaid bending machine，Wherein: the concrete structure of described linkage includes interconnective two orifice plates and three orifice plates，Described two orifice plates are strip，A through hole it is each provided with: be respectively a hole in described three orifice plate shapes triangular in shape and three angles、Two holes、Three holes，One end of two orifice plates is hinged with slide block，The other end of two orifice plates and a hole of three orifice plates are hinged，Three orifice plates are hinged on bending pipe arm by two holes，Three orifice plates are hinged also by the termination in three holes with piston rod，When three hole of piston rod upwards pushing tow three orifice plate of die cylinder，Three orifice plates rotate around two holes、And by hole outside pushing tow two orifice plate，Make the bottom of two orifice plates towards slide block near while，The top of two orifice plates upwards pushing tow slide block and is moved together，So that clamping is close to wheel mould，Until the bottom of two orifice plates is resisted against when cannot be rotated further inside slide block，Clamping mutually clamps with wheel mould just.
nullFurther，Clamping in aforesaid bending machine，Wherein: the concrete structure of described matched moulds adjusting part includes: the die sleeve being installed on slide block，Die sleeve is provided with die sleeve groove，Described clamping is installed in die sleeve，And clamping can be moved along die sleeve groove during bend pipe，It is provided with back-moving spring between described clamping and die sleeve，Back-moving spring can make the clamping homing after losing External Force Acting slided under external force along die sleeve groove，It is provided with slide block slot on described slide block，Die sleeve is cooperatively disposed in slide block slot，Die sleeve can move along slide block slot thus closer or far from wheel mould，Be provided with bottom die sleeve can rotate freely but can not with die sleeve occur axial displacement adjusting screw rod，Regulation bearing is fixed on slide block，The lower end of adjusting screw rod is connected to regulate in the screwed hole in bearing by threaded engagement，Adjusting screw rod is additionally provided with the nut being locked at by adjusting screw rod on regulation bearing.
Further, the clamping in aforesaid bending machine, wherein: described die sleeve is embedded with two roller shafts, two roller shafts are respectively arranged with roller, the bottom of described clamping contacts with in die sleeve two rollers.
The beneficial effects of the utility model are: one, by two orifice plates, the link transmission effect of three orifice plates, effectively reduce the active force that piston rod during matched moulds is subjected to；And the length of piston rod can also be shortened.These all make piston rod more durable, thus reduce the maintenance cost of piston rod, the most also extend the service life of product；Two, clamping produced displacement deviation in the case of hydraulic oil volume changes can be eliminated by the initial distance between regulation clamping and wheel mould, guarantee clamping and wheel mould between can accurately matched moulds thus clamp tubing, to further ensure that bending quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the clamping in bending machine described in the utility model.
Fig. 2 be in Fig. 1 clamping with wheel mode division from after view.
Fig. 3 is the mounting structure schematic diagram between die sleeve and the slide block in left view direction in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings and technical scheme described in the utility model is described in further detail by preferred embodiment.
As shown in Figure 1 and Figure 2; clamping in bending machine; including: casing 1; in casing 1, expansion bearing has main shaft 2; main shaft 2 front end is provided with bending pipe arm 3, is provided with revolving die axle 4 in main shaft 2, and before and after revolving die axle 4, main shaft 2 is all stretched out at two ends; and be connected by bearing between revolving die axle 4 with main shaft 2, so that revolving die axle 4 and main shaft 2 can independently rotate and non-interference.nullWheel mould 5 it is provided with in the front end of revolving die axle 4，It is provided with upper impression 51 on wheel mould 5，It is provided with below wheel mould 5 and takes turns the clamping 6 that mould 5 matches，The lower impressions 61 of cooperation corresponding with upper impression 51 it is provided with in clamping 6，Bending pipe arm 3 is provided with matched moulds drive mechanism 7 and slide rail，Slide rail is provided with the slide block 8 that can move back and forth along slide rail，Slide block 8 side is connected with matched moulds drive mechanism 7，The opposite side of slide block 8 is provided with for regulating the matched moulds adjusting part 9 of spacing between clamping 6 and wheel mould 5，Matched moulds adjusting part 9 is connected with clamping 6，Start matched moulds drive mechanism 7 can move back and forth so that clamping 6 mutually clamps matched moulds with wheel mould 5 or is separated from each other along slide rail by band movable slider 8，When clamping 6 mutually clamps with wheel mould 5，The lower impressions 61 of clamping 6 can be mutually butted with the upper impression 51 of wheel mould 5，Thus complete matched moulds.
As shown in Figure 1 and Figure 2; in the present embodiment; the concrete structure of described matched moulds drive mechanism includes: the die cylinder 74 being fixedly installed on bending pipe arm 3; it is provided with linkage 71 on the piston rod 741 of die cylinder 74; linkage 71 is connected with slide block 8, and die cylinder 74 can be moved back and forth so that clamping 6 mutually clamps matched moulds with wheel mould 5 or is separated from each other along slide rail by linkage 71 band movable slider 8.In the present embodiment, the concrete structure of described linkage 71 includes interconnective two orifice plate 72 and three orifice plates 73, described two orifice plates 72 are in strip, a through hole it is each provided with: be respectively a hole 733, hole 732, three, hole 731, two in described three orifice plate 73 shapes triangular in shape and three angles, one end of two orifice plates 72 is hinged with slide block 8, the other end of two orifice plates 72 and a hole 731 of three orifice plates 73 are hinged, three orifice plates 73 are hinged on bending pipe arm 3 by two holes 732, and three orifice plates 73 are hinged also by the position, termination in three holes 733 with piston rod 741.nullThe piston rod 741 of die cylinder 74 can make slide block 8 move back and forth in the slide rail of bending pipe arm 3 by the link transmission effect of three orifice plates 73 and two orifice plates 72，Dock so that the lower impressions 61 of clamping 6 is mutually closed up with the upper impression 51 of wheel mould 5 or be separated from each other，It mutually closes up docking and completes the detailed process of matched moulds and be: when three hole 733 of piston rod 741 upwards pushing tow three orifice plate 73 of die cylinder 74，Three orifice plates 73 rotate around two holes 732、And by outside pushing tow two orifice plate 72 in hole 731，Make the bottom of two orifice plates 72 towards slide block 8 near while，The top upwards pushing tow of two orifice plates 72 slide block 8 and is moved together，So that clamping 6 is close to wheel mould 5，Until the bottom of two orifice plates 72 is resisted against when cannot be rotated further inside slide block 8，Clamping 6 mutually clamps with wheel mould 5 just.
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, the concrete structure of described matched moulds adjusting part 9 includes: the die sleeve 91 being installed on slide block 8, die sleeve 91 is provided with die sleeve groove 92, described clamping 6 is installed in die sleeve 91, and clamping 6 can be moved along die sleeve groove 92 during bend pipe, being provided with back-moving spring 98 between described clamping 6 and die sleeve 91, back-moving spring 98 can make clamping 6 homing after losing External Force Acting slided under external force along die sleeve groove 92.In the present embodiment, smooth and easy motion in view of clamping 6, described die sleeve 91 is embedded with two roller shafts 93, it is respectively arranged with roller 94 on two roller shafts 93, the bottom of described clamping 6 contacts with two rollers 94 in die sleeve 91, so can reduce the clamping 6 resistance to sliding in die sleeve groove 92 when bend pipe.It is provided with slide block slot 81 on described slide block 8, die sleeve 91 is cooperatively disposed in slide block slot 81, die sleeve 91 can move along slide block slot 81 thus closer or far from wheel mould 5, it is provided with bottom die sleeve 91 and can rotate freely but with die sleeve 91, the adjusting screw rod 95 of axial displacement can not occur, regulation bearing 96 is fixed on slide block 8, the lower end of adjusting screw rod 95 is connected to regulate in the screwed hole in bearing 95 by threaded engagement, is additionally provided with the nut 97 being locked at by adjusting screw rod 95 on regulation bearing 96 on adjusting screw rod 95.When actually used, the change in volume that can produce according to hydraulic oil liquid temperature influence carrys out the installation site that flexible die sleeve 91 is fixed on slide block 8, thus adjust the initial distance between the lower impressions 61 of clamping 6 and the upper impression 51 of wheel mould 5, to eliminate in the case of hydraulic oil liquid volume changes, deviation produced by clamping 6 displacement, thus improve closing precision.
The operation principle of the clamping in said structure bending machine is as follows: when needs make clamping 6 clamp tubing to be bent with taking turns the mutual matched moulds of mould 5, start die cylinder 74, three holes 733 of the piston rod 741 of die cylinder 74 upwards pushing tow three orifice plate 73, now three orifice plates 73 rotate around two holes 732, and by outside pushing tow two orifice plate 72 in hole 731, make the bottom of two orifice plates 72 towards slide block 8 near while, the top upwards pushing tow of two orifice plates 72 slide block 8 and is moved together, so that clamping 6 moves closer to take turns mould 5, until the bottom of two orifice plates 72 is resisted against when cannot be rotated further inside slide block 8, clamping 6 just mutually clamps with wheel mould 5 thus clamps tubing to be bent, complete matched moulds.
Clamping in bending machine described in the utility model has the advantage that one, by two orifice plates, the link transmission effect of three orifice plates, effectively reduce the active force that piston rod during matched moulds is subjected to；And the length of piston rod can also be shortened.These all make piston rod more durable, thus reduce the maintenance cost of piston rod, the most also extend the service life of product；Two, clamping produced displacement deviation in the case of hydraulic oil volume changes can be eliminated by the initial distance between regulation clamping and wheel mould, guarantee clamping and wheel mould between can accurately matched moulds thus clamp tubing, to further ensure that bending quality.
Claims (5)
- null1. the clamping in bending machine，Including: casing，In casing, expansion bearing has main shaft，Front-end of spindle is provided with bending pipe arm，Revolving die axle it is provided with in main shaft，Before and after revolving die axle, main shaft is all stretched out at two ends，And it is connected by bearing between revolving die axle and main shaft，The front end of revolving die axle is provided with wheel mould，It is provided with upper impression on wheel mould，It is provided with below wheel mould and takes turns the clamping that mould matches，The lower impressions of cooperation corresponding with upper impression it is provided with in clamping，It is characterized in that: on bending pipe arm, be provided with matched moulds drive mechanism and slide rail，Slide rail is provided with the slide block that can move back and forth along slide rail，Slide block side is connected with matched moulds drive mechanism，The opposite side of slide block is provided with for regulating the matched moulds adjusting part of spacing between clamping and wheel mould，Matched moulds adjusting part is connected with clamping，Start matched moulds drive mechanism energy band movable slider to move back and forth along slide rail so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
- Clamping in bending machine the most according to claim 1; it is characterized in that: the concrete structure of described matched moulds drive mechanism includes: the die cylinder being fixedly installed on bending pipe arm; it is provided with linkage on the piston rod of die cylinder; linkage is connected with slide block, and die cylinder can be moved back and forth along slide rail by linkage band movable slider so that clamping mutually clamps matched moulds with wheel mould or is separated from each other.
- nullClamping in bending machine the most according to claim 2，It is characterized in that: the concrete structure of described linkage includes interconnective two orifice plates and three orifice plates，Described two orifice plates are strip，A through hole it is each provided with: be respectively a hole in described three orifice plate shapes triangular in shape and three angles、Two holes、Three holes，One end of two orifice plates is hinged with slide block，The other end of two orifice plates and a hole of three orifice plates are hinged，Three orifice plates are hinged on bending pipe arm by two holes，Three orifice plates are hinged also by the termination in three holes with piston rod，When three hole of piston rod upwards pushing tow three orifice plate of die cylinder，Three orifice plates rotate around two holes、And by hole outside pushing tow two orifice plate，Make the bottom of two orifice plates towards slide block near while，The top of two orifice plates upwards pushing tow slide block and is moved together，So that clamping is close to wheel mould，Until the bottom of two orifice plates is resisted against when cannot be rotated further inside slide block，Clamping mutually clamps with wheel mould just.
- null4. according to the clamping in the bending machine described in claim 1 or 2 or 3，It is characterized in that: the concrete structure of described matched moulds adjusting part includes: the die sleeve being installed on slide block，Die sleeve is provided with die sleeve groove，Described clamping is installed in die sleeve，And clamping can be moved along die sleeve groove during bend pipe，It is provided with back-moving spring between described clamping and die sleeve，Back-moving spring can make the clamping homing after losing External Force Acting slided under external force along die sleeve groove，It is provided with slide block slot on described slide block，Die sleeve is cooperatively disposed in slide block slot，Die sleeve can move along slide block slot thus closer or far from wheel mould，Be provided with bottom die sleeve can rotate freely but can not with die sleeve occur axial displacement adjusting screw rod，Regulation bearing is fixed on slide block，The lower end of adjusting screw rod is connected to regulate in the screwed hole in bearing by threaded engagement，Adjusting screw rod is additionally provided with the nut being locked at by adjusting screw rod on regulation bearing.
- Clamping in bending machine the most according to claim 4, it is characterised in that: being embedded with two roller shafts in described die sleeve, two roller shafts are respectively arranged with roller, the bottom of described clamping contacts with in die sleeve two rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089696.4U CN205463965U (en) | 2016-01-29 | 2016-01-29 | Locking mechanism in bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089696.4U CN205463965U (en) | 2016-01-29 | 2016-01-29 | Locking mechanism in bending machine |
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| Publication Number | Publication Date |
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| CN205463965U true CN205463965U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620089696.4U Active CN205463965U (en) | 2016-01-29 | 2016-01-29 | Locking mechanism in bending machine |
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| CN (1) | CN205463965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499406A (en) * | 2016-01-29 | 2016-04-20 | 张家港兴宇机械制造有限公司 | Die assembling mechanism in pipe bending machine |
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2016
- 2016-01-29 CN CN201620089696.4U patent/CN205463965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499406A (en) * | 2016-01-29 | 2016-04-20 | 张家港兴宇机械制造有限公司 | Die assembling mechanism in pipe bending machine |
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