CN202912588U - Workpiece lifting mechanical device, namely lifting mechanical arm - Google Patents
Workpiece lifting mechanical device, namely lifting mechanical arm Download PDFInfo
- Publication number
- CN202912588U CN202912588U CN 201220566280 CN201220566280U CN202912588U CN 202912588 U CN202912588 U CN 202912588U CN 201220566280 CN201220566280 CN 201220566280 CN 201220566280 U CN201220566280 U CN 201220566280U CN 202912588 U CN202912588 U CN 202912588U
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- oil cylinder
- arm
- elevation
- mechanical arm
- subsidence mechanical
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Abstract
The utility model provides a lifting mechanical device for workpieces, which comprises a lifting mechanical arm and a mechanical hand arranged below a rocker arm of the lifting mechanical arm. The lifting mechanical arm comprises an upright post and the rocker arm connected onto the upright post, wherein the rocker arm can vertically slide along the upright post; the lifting mechanical arm further comprises an oil cylinder capable of driving the rocker arm to vertically slide; and a piston adaptor of the oil cylinder is hinged with the rocker arm. According to the lifting mechanical arm, the oil cylinder is utilized to drive the rocker arm to lift, so that a weight is lifted and the lifting speed is controlled; and the structure is fast in speed change, so that stable board falling at a low speed can be ideally realized. The oil cylinder is designed to be attached to the upright post, so that the oil channel conversion of the oil cylinder is convenient to control, the influence of system inertia is prevented, the speed change process is fast and stable, and consequently the board falling at the low speed is timely and ideally realized. Besides, by means of the lifting mechanical device for the workpieces, the overturn of the workpieces on site can be realized, and the descent speed during workpiece placing is effectively controllable.
Description
Technical field
The utility model relates to a kind of mechanical fitter's tools, particularly relates to a kind of workpiece lifting machinery device and elevation and subsidence mechanical arm thereof.
Background technology
On the assembly belt station, the product of larger quality, often need to carry out in time, easily, exactly the original place upset, and each upset always need be followed an indirectly motion: namely before the upset, the manipulator that has gripped workpiece must be mentioned a suitably height from planker, to the upset end, descend again in good time, product is put back on the planker.Around here, be down to from planker close to when height, if speed control is bad, then can make planker be subject to excessive impact so that impaired.
Traditionally, the mechanical equipment that is used for the movement of larger quality product on the assembly belt adopts balance crane, and it is provided with folding arm and suspension hook, principle of work is: hoisting heavy is that draw in the suspension hook place with staff full weight displacement all around by rear portion motor-driven one perpendicular lead screw pair of putting.Because folding arm dangles always, can not on the workpiece turning position, await orders by desired height, therefore very inconvenient on using, folding arm and rear portion balance weight iron have directly occupied people's activity space, can be obstructed in the operation, and can not control its rise and fall speed, can not realize workpiece turning.
Being used for the upset of larger quality product on the assembly belt and the mobile habitual instrument of another kind of industry is cantilever crane, general cantilever crane comprises column and rocking arm, the length of column and rocking arm is fixed; rocking arm and column angle are connected with the support triangle plate; rocking arm and support triangle plate can rotate around column; the steel rope roller is installed on the rocking arm, adopts the roller of motor-driven lay winding wire ropes, the product of lifting wire rope lower end.When steel wire hangs product and descends, generally adopt first fast-descending, slow decreasing behind the certain altitude, speed transformation realizes by the speed of the motor of control driving roller.This cantilever crane is owing to the motor effect of inertia, and descending speed can not in time change, and the speed control that out of reach is suitable can impact planker; The height and position that hoists, descends can not add command switch, so that the rising vertex can not effectively limit; Overall dimensions is huge, floor area and take up space greatlyr, and the support triangle plate is suspended from operator top, and it is large to take up space.
Summary of the invention
It is a kind of easy that the purpose of this utility model is to provide, and effectively control the elevation and subsidence mechanical arm of rising or falling speed.
Another purpose of the present utility model is to provide a kind of workpiece lifting machinery device for can effectively controlling the elevation and subsidence mechanical arm rising or falling speed on the conveyor line during mobile upset workpiece.
For realizing the utility model purpose, provide following technical scheme:
A kind of elevation and subsidence mechanical arm, it comprises column and is connected to rocking arm on the column, and this rocking arm can slide up and down along column, and this elevation and subsidence mechanical arm further comprises can drive the oil cylinder that rocking arm slides up and down, and piston joint and the rocking arm of this oil cylinder are hinged.Thereby adopt oil cylinder to drive radial up-down and realize the lifting of weight and the control of rising or falling speed, this structure speed change is fast, can desirablely realize stablizing at a slow speed the plate that falls.
In certain embodiments, the outside appropriate location of this oil cylinder is provided with lower magnetic sensible switch.The position of described lower magnetic sensible switch is within the stroke of the piston rod of described oil cylinder.Thereby the setting by magnetic sensible switch makes the system can be by the timely switching to oil circuit, realization is to promptly and accurately control and the shear of rise height and descending speed, can guarantee the soft landing of large-mass workpiece on planker, can be in time and realize falling at a slow speed accurately plate.
Magnetic sensible switch the upper magnetic sensible switch that the upper control limit height and position can also be set according to need of work is set, rate conversion height and position magnetic sensible switch etc. perhaps is set, according to the movement characteristic of operation needs the magnetic sensible switch of needs is set, realizes the motion control of need of work.
In certain embodiments, this elevation and subsidence mechanical arm further comprises rocker arm bracket, and this rocking arm is installed on the rocker arm bracket, and this rocker arm bracket is installed on the column and slides up and down with column and cooperates, thereby realizes sliding up and down of rocking arm.
In certain embodiments, be provided with the rotation-prevention positioning component that cooperatively interacts between this rocker arm bracket and the column, make between rocker arm bracket and the column just to slide up and down, and can not relatively rotate.In certain embodiments, this rotation-prevention positioning component is key and keyway.
In certain embodiments, the root of this rocking arm is coaxial hinged with lower hinge hole and the oil cylinder piston joint of rocker arm bracket.
In certain embodiments, it further comprises the digonal link assembly that is arranged on rocking arm top and connecting rocker arm and rocker arm bracket, the restriction rocking arm makes its not turn downwards, greatly improved the bending resistance square ability of rocking arm, support the rocking arm section can do capable and vigorously at double, and the huge and safety problem of complex structure of having avoided the application of large-scale support triangle plate to bring to operating personal.In certain embodiments, this digonal link assembly comprises mariages nut and the upper screw that is connected mariages nut two ends and bottom screw rod, and this upper screw upper end is hinged with rocker arm bracket, and this screw rod lower end, bottom and rocking arm are hinged.This elements combination of digonal link assembly, so that the length of digonal link is adjustable, namely the angle of rocking arm is adjustable, the best effort attitude in the assurance work can be not out of shape because of the long-time tension of digonal link, makes work more stable.
In certain embodiments, it further comprises oil cylinder seat, and this oil cylinder is installed on the oil cylinder seat, and this oil cylinder seat is installed on the column.Further can make the parallel column that is attached at of this oil cylinder, this structure is saved the space, can be conducive to realize sliding up and down of rocking arm, and install magnetic sensible switch and lower magnetic sensible switch.
In certain embodiments, it further comprises base, and this column and oil cylinder seat can rotate relative to base respectively.In certain embodiments, between this column and the base, and between this oil cylinder seat and the base antifriction-bearing box is installed.Owing to be provided with column antifriction-bearing box and oil cylinder seat antifriction-bearing box, so that column and oil cylinder seat can rotate around base, make the operation point of cantilever crane not be subjected to the restriction of setting angle, the operation point in the 360 degree scopes all can call cantilever crane and carry out work.
The utility model also provides a kind of workpiece lifting machinery device, and it comprises aforesaid elevation and subsidence mechanical arm, and the manipulator that is arranged on the rocking arm below of elevation and subsidence mechanical arm.
The contrast prior art the utlity model has following advantage:
Elevation and subsidence mechanical arm of the present utility model, owing to adopt oil cylinder as the driving of radial up-down, thus realizing the lifting of weight and the control of rising or falling speed, this structure speed change is fast, can desirablely realize stablizing at a slow speed the plate that falls.Oil cylinder is attached at the design of column, and the control of the oil circuit conversion of oil cylinder is convenient, does not have the system inertia impact, so that speed-change process is very fast and stable, thereby realizes falling at a slow speed plate in time, ideally.In addition, the above oblique pull of elevation and subsidence mechanical arm of the present invention replaces the bottom diagonal ligament of existing cantilever crane, thereby it is two hinged that pure cantilever attitude is improved to, and has greatly improved the anti-bending strength of rocking arm beam, makes at double capable and vigorous of material, has material saving and the nimble remarkable result of operation concurrently.Descending speed when workpiece lifting machinery device of the present invention can be realized strange land upset workpiece and make place work piece is effectively controlled, and the desirable workpiece of realizing is stablized at a slow speed the plate that falls, and operates nimble.
Description of drawings
Fig. 1 is the structural representation of the utility model elevation and subsidence mechanical arm;
Fig. 2 is A-A direction cutaway view among Fig. 1.
The specific embodiment
See also Fig. 1, the utility model elevation and subsidence mechanical arm comprises column 3 and is connected to rocking arm 13 on the column 3, these rocking arm 13 sections are i shaped steel, this rocking arm 13 can slide up and down along column 3, and the heel apertures near column 3 ends on the rocking arm 13 is connected with rocking arm hinge 10 with the coaxial rocker arm bracket 4 bottom earholes that are placed in column 13 tops.This rocker arm bracket 4 is installed on the column and slides up and down with column and cooperates, thereby realizes sliding up and down of rocking arm 13, and rocker arm bracket 4 is with locking between wide key 5 and the column 3, and makes mutually rotation between rocker arm bracket 4 and the column 3.
This elevation and subsidence mechanical arm also comprises can drive the oil cylinder 7 that rocking arm slides up and down, and the piston joint of this oil cylinder 7 is coaxial hinged with rocking arm hinge 10 with rocking arm 13 and rocker arm bracket 4.Thereby adopt oil cylinder to drive radial up-down and realize the lifting of weight and the control of rising or falling speed, this structure speed change is timely, can desirablely realize stablizing at a slow speed the plate that falls.Oil cylinder 7 oil circuits switch to be realized manually controlled by connecting valve box 15.
This oil cylinder 7 is hingedly mounted on the oil cylinder seat 2 with hinge 6, and this oil cylinder seat 2 is installed on the column 3, and, its centre hole and column 3 are coaxial to match with wide key 5, this structure is saved the space, can be conducive to realize sliding up and down of rocking arm, and install magnetic sensible switch and lower magnetic sensible switch.
Above rocking arm, be provided with the digonal link assembly 8 of connecting rocker arm 13 and rocker arm bracket 4, the restriction rocking arm makes its not turn downwards, this digonal link assembly 8 comprises mariages nut 82 and the upper screw 81 that is connected mariages nut two ends and bottom screw rod 83, this mariages nut 82 is for having left and right reverse closely-pitched screw, left and right upper screw 81 and the bottom screw rod 83 of then connecting respectively of mariages nut 82.These upper screw 81 upper ends (non-threaded end) are provided with hinge hole, and are hinged with hinge 84 with rocker arm bracket 4; These bottom screw rod 83 lower ends (non-threaded end) are provided with hinge hole, and hinged with hinge 84 with rocking arm 13, this hinge is arranged on the position of inclined to one side outer end, rocking arm stage casing.This elements combination of digonal link assembly 8, so that the length of digonal link is adjustable, namely the angle of rocking arm is adjustable, the best effort attitude in the assurance work can be not out of shape because of the long-time tension of digonal link, makes work more stable.
See also Fig. 2, described column 3 is installed on the base 1, this column 3 and oil cylinder seat 2 and with the upper rocker arm whole system, can rotate relative to base 1 simultaneously, by larger antifriction-bearing box support, rocking arm is around the rotation of column 3, taken advantage of a situation during the trailer-type machine hand at random by the operator and occurs.
Below rocking arm 13, be provided with upper magnetic sensible switch 91, the lower magnetic sensible switch 92 of upper control limit, lower limit height and position on this oil cylinder 7.The position of described upper magnetic sensible switch 91, lower magnetic sensible switch 92 is within the stroke of the piston rod of described oil cylinder.Thereby the setting by magnetic sensible switch makes the system can be by the timely switching to oil circuit, realization is to promptly and accurately control and the shear of rise height and descending speed, can guarantee the soft landing of large-mass workpiece on planker, can be in time and realize falling at a slow speed accurately plate.
The utility model also provides a kind of workpiece lifting machinery device, and it comprises aforesaid elevation and subsidence mechanical arm, and the manipulator 16 that is installed in the rocking arm below of elevation and subsidence mechanical arm by suspension roller set 14.
During the work of workpiece lifting machinery device, specific as follows:
1) leveling rocking arm: gently revolve the mariages nut 82 at digonal link assembly 8 middle parts, change digonal link assembly 8 length, until make rocking arm 13 basic horizontal, terminal little higher, be about high 8 ~ 10mm among the embodiment;
2) wait state: wait state rocking arm 13 is in " high position " of setting, and dials manipulator 15 with have gentle hands, makes rocking arm 13 be threaded to the position parallel with fitting line;
3) grabbing workpiece: light trailer-type machine hand, to back rotation rocking arm 13, make 16 of manipulators face workpiece on the conveyor line directly over, decline button in the touch switch box 15, oil cylinder 7 piston rod heads move downward; rocking arm 13 take manipulator 16 drop to " grab part " highly, stop to descend by switch, and make the manipulator inclusion type grip workpiece;
4) promote, turn over part: by the button that rises in the switch enclosure 15, oil cylinder 7 piston rod heads protrude upward, short rocking arm hinge 10, rocking arm 13 are taken manipulator, workpiece rises, meet magnetic sensible switch 91, and stop to design height, then the angle of manipulator 16 and workpiece while flip designs makes the product seating plane to horizontality;
5) descend: the button that descends in the touch switch box 15, it is descending that rocking arm 13 is taken product, and beginning is very fast, to apart near conveyor line planker place, such as 60mm place, supporting plate top, meet lower magnetic induction switch 92 instruction oil circuits and switch at a slow speed, the assembly of 495kg, it is steady then slowly to fall, and realizes " soft landing ".
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (14)
1. elevation and subsidence mechanical arm, it comprises column and is connected to rocking arm on the column, and it is characterized in that this rocking arm can slide up and down along column, this elevation and subsidence mechanical arm further comprises can drive the oil cylinder that rocking arm slides up and down, and piston joint and the rocking arm of this oil cylinder are hinged.
2. elevation and subsidence mechanical arm as claimed in claim 1 is characterized in that, is provided with lower magnetic sensible switch at suitable height on this oil cylinder.
3. elevation and subsidence mechanical arm as claimed in claim 1 or 2 is characterized in that, also is provided with magnetic sensible switch on this oil cylinder.
4. elevation and subsidence mechanical arm as claimed in claim 1 is characterized in that, it further comprises rocker arm bracket, and this rocking arm is installed on the rocker arm bracket, and this rocker arm bracket is installed on the column and slides up and down with column and cooperates.
5. elevation and subsidence mechanical arm as claimed in claim 4 is characterized in that, is provided with the rotation-prevention positioning component that cooperatively interacts between this rocker arm bracket and the column.
6. elevation and subsidence mechanical arm as claimed in claim 5 is characterized in that, this rotation-prevention positioning component is key and keyway.
7. elevation and subsidence mechanical arm as claimed in claim 4 is characterized in that, the root of this rocking arm is coaxial hinged with lower hinge hole and the oil cylinder piston nipple orifice of rocker arm bracket.
8. elevation and subsidence mechanical arm as claimed in claim 4 is characterized in that, it further comprises the digonal link assembly that is arranged on rocking arm top and connecting rocker arm and rocker arm bracket.
9. elevation and subsidence mechanical arm as claimed in claim 8 is characterized in that, this digonal link assembly comprises mariages nut and the upper screw that is connected mariages nut two ends and bottom screw rod, and this upper screw upper end is hinged with rocker arm bracket, and this screw rod lower end, bottom and rocking arm are hinged.
10. elevation and subsidence mechanical arm as claimed in claim 1 is characterized in that, it further comprises oil cylinder seat, and this oil cylinder is installed on the oil cylinder seat, and this oil cylinder seat is installed on the column.
11. elevation and subsidence mechanical arm as claimed in claim 10 is characterized in that, the parallel column that is attached at of this oil cylinder.
12. elevation and subsidence mechanical arm as claimed in claim 10 is characterized in that, it further comprises base, and this column and oil cylinder seat can rotate relative to base respectively.
13. elevation and subsidence mechanical arm as claimed in claim 12 is characterized in that, between this column and the base, and between this oil cylinder seat and the base antifriction-bearing box is installed.
14. a workpiece lifting machinery device is characterized in that it comprises elevation and subsidence mechanical arm as claimed in claim 1, and the manipulator that is arranged on the rocking arm below of elevation and subsidence mechanical arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566280 CN202912588U (en) | 2012-10-31 | 2012-10-31 | Workpiece lifting mechanical device, namely lifting mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220566280 CN202912588U (en) | 2012-10-31 | 2012-10-31 | Workpiece lifting mechanical device, namely lifting mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202912588U true CN202912588U (en) | 2013-05-01 |
Family
ID=48160918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220566280 Expired - Lifetime CN202912588U (en) | 2012-10-31 | 2012-10-31 | Workpiece lifting mechanical device, namely lifting mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202912588U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976213A (en) * | 2012-10-31 | 2013-03-20 | 日立电梯电机（广州）有限公司 | Lifting mechanical apparatus for workpiece and lifting mechanical arm thereof |
| CN103395700A (en) * | 2013-07-29 | 2013-11-20 | 铜陵正前机械装备制造有限公司 | Assembling device of rear clump plate base of railway vehicle |
| CN103588114A (en) * | 2013-10-17 | 2014-02-19 | 上海市安装工程集团有限公司 | Hoisting device |
| CN105438954A (en) * | 2015-12-31 | 2016-03-30 | 天津和光机电设备有限公司 | Vehicle door lifter |
-
2012
- 2012-10-31 CN CN 201220566280 patent/CN202912588U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102976213A (en) * | 2012-10-31 | 2013-03-20 | 日立电梯电机（广州）有限公司 | Lifting mechanical apparatus for workpiece and lifting mechanical arm thereof |
| CN103395700A (en) * | 2013-07-29 | 2013-11-20 | 铜陵正前机械装备制造有限公司 | Assembling device of rear clump plate base of railway vehicle |
| CN103588114A (en) * | 2013-10-17 | 2014-02-19 | 上海市安装工程集团有限公司 | Hoisting device |
| CN105438954A (en) * | 2015-12-31 | 2016-03-30 | 天津和光机电设备有限公司 | Vehicle door lifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |