Disclosure of Invention
Aiming at the defects of the prior art, the application provides a suction-grabbing type transfer protection clamp, which aims to solve the problems that the existing clamp is simple in structure, cannot effectively protect objects to be transferred, and is weak in applicability when being used for transferring different objects.
The application provides a suction-grabbing type transportation protection clamp, which specifically comprises a fixing frame body, a negative pressure adsorption mechanism and a grabbing protection mechanism, wherein the grabbing protection mechanism comprises two rotary grabbing protection frames which are symmetrically arranged on two sides of the fixing frame body, the two rotary grabbing protection frames are both rotatably arranged on the fixing frame body, the grabbing protection mechanism further comprises a driving control assembly used for driving the two rotary grabbing protection frames to rotate, and the negative pressure adsorption mechanism is arranged at the bottom of the fixing frame body and is positioned between the two rotary grabbing protection frames and can be wrapped by the two rotary grabbing protection frames.
According to the technical scheme, compared with the prior art, the clamp disclosed by the application has the advantages that the two rotary grabbing protection frames are controlled to rotate through the driving control assembly, so that the clamp can be opened and closed, after the two rotary grabbing protection frames are rotated and opened, an object to be transported is adsorbed through the negative pressure adsorption mechanism, and meanwhile, the two rotary grabbing protection frames are driven to rotate and closed, so that the object to be transported can be coated, the transported object is comprehensively and effectively protected, damage to the object caused by collision in the transportation process is avoided, and the clamp can be suitable for adsorbing and transporting objects with different shapes.
The negative pressure adsorption mechanism comprises a plurality of sucker units, and the sucker units are uniformly distributed on the horizontal plane at the bottom of the fixing frame body.
Through adopting above-mentioned technical scheme, a plurality of sucking disc units can realize the multiple spot to the object snatchs, snatchs more stably.
As a further preferable mode, electromagnetic control valves used for adjusting the caliber of the sucker units are arranged on the sucker units, and the sucker units and the electromagnetic control valves are connected with an external negative pressure control system.
Through adopting above-mentioned technical scheme, through electromagnetic control valve control sucking disc unit bore size, can be convenient for adjust absorptive atmospheric pressure intensity according to the shape structure of object, further improve the stability of object, more energy-conserving simultaneously.
As a further preferable mode, two sides of the fixing frame main body are respectively and rotatably connected with rotating shafts which are horizontally arranged, the two rotating shafts are mutually parallel and symmetrically distributed, and the two rotating grabbing protection frames are respectively and fixedly installed on the corresponding rotating shafts.
Through adopting above-mentioned technical scheme, two rotations snatch protection frame and can realize rotating in the mount main part through two rotation axes, can realize opening and shutting when two rotations snatch protection frame rotate to carry out the omnidirectional protection to the object after negative pressure adsorption mechanism snatches the object of waiting to transport, it is stable to connect, the angle after the control rotation of being convenient for.
As a further preferred aspect, the rotary grasping protection frame includes a connection portion fixedly connected with the rotation shaft and a bearing protection portion provided on the connection portion.
Through adopting above-mentioned technical scheme, connecting portion and rotation axis rotation back, bear the weight of the guard portion on two connecting portions and be close to each other, can realize the side and the bottom protection of the object that snatchs negative pressure adsorption mechanism, carry out all-round protection.
As a further preferred feature, the connection portion and the load-bearing guard portion are of an integrally formed construction.
Through adopting above-mentioned technical scheme, connecting portion and bearing protection part are integrated into one piece structure, and the structure is more stable, and adopts integrated into one piece cast molding during the manufacturing, and efficiency is higher.
As a further preferable aspect, the bearing protection part is slidably connected to the connection part, the sliding direction of the bearing protection part is perpendicular to the rotation axis, and the bearing protection part is fixed at a sliding position by a locking member.
Through adopting above-mentioned technical scheme, the position of its on connecting portion can be adjusted to the slip of bearing the guard portion through the retaining member can be fixed and the position after the slip of guard portion for the inner space size that two rotatory snatchs the guard frame formation can be convenient for adjust, so that be applicable to the object protection to different volumes, the suitability is better.
As a further preferable mode, the driving control assembly comprises a driving air cylinder, a connecting frame, two racks and two gears, wherein the driving air cylinder is vertically and fixedly installed on the fixing frame main body, the connecting frame is fixedly connected to a piston rod of the driving air cylinder, the two racks are respectively and fixedly connected to two ends of the connecting frame, the two gears are respectively and coaxially fixedly connected to the two rotating shafts, and the racks are meshed with the gears corresponding to the same sides.
Through adopting above-mentioned technical scheme, drive cylinder drive link removes and can drive two racks and remove simultaneously, because meshing between rack and the gear, rack drive gear and rotation axis synchronous rotation to realize that two rotations snatch the protection frame and rotate simultaneously, realize opening and closure, be convenient for control and control are more stable.
As a further preferred aspect, the jig further includes a positioning camera fixedly mounted on the mount body.
Through adopting above-mentioned technical scheme, the location camera can carry out real-time supervision to the position and the state of work piece, and the relative position of real-time supervision anchor clamps and target object to the accuracy of anchor clamps action is guaranteed to the position of adjusting the anchor clamps through the image data who gathers.
As a further preferable mode, the fixing frame body and the rotary grabbing protection frame are of hollow structures.
Through adopting above-mentioned technical scheme, can effectively alleviate anchor clamps holistic weight to can reduce the energy consumption of object in the transportation process, be convenient for control simultaneously, it is more stable to transport the object.
In general, compared with the prior art, the above technical solution conceived by the present application mainly has the following technical advantages:
1. According to the transfer protection clamp, the two rotary grabbing protection frames are controlled to rotate through the driving control assembly, so that opening and closing can be achieved, after the two rotary grabbing protection frames rotate and open, an object to be transferred is adsorbed through the negative pressure adsorption mechanism, and meanwhile, the two rotary grabbing protection frames are driven to rotate and close, so that the object can be coated, the transferred object is protected in an overall mode, damage caused by collision of the object in the transfer process is avoided, and meanwhile, the transfer protection clamp is suitable for adsorbing and transferring objects in different shapes, and is good in applicability.
2. According to the application, the target object can be grabbed in multiple points through the plurality of sucker units, grabbing is more stable, the caliber of the sucker units is controlled through the electromagnetic control valve, the air pressure intensity of adsorption can be conveniently adjusted according to the shape and structure of the object, and the object grabbing stability of the clamp is further improved.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The application discloses a suction-grabbing type transfer protection clamp which is used for grabbing objects with higher protection requirements, such as electronic elements, precise instruments and the like, and is fragile, easy to deform and required to be accurately protected in conventional transfer, and comprises a fixing frame main body 1, a negative pressure suction mechanism 2, a grabbing protection mechanism 3 and a positioning camera 4, wherein the fixing frame main body 1 is a main body structure of the whole device and is used for installing and fixing other parts, the fixing frame main body 1 is connected with an industrial robot through a mounting seat, and a bolt fastening or quick replacement device is adopted between the mounting seat and a main fixing frame, so that the clamp is convenient to install and detach. The negative pressure adsorption mechanism 2 is arranged at the bottom of the fixing frame main body 1, the transfer protection clamp can adsorb and grab objects for transfer through the negative pressure adsorption mechanism 2, the grabbing protection mechanism 3 is arranged on the fixing frame main body 1 and used for comprehensively protecting the grabbed objects, the positioning camera 4 is selected as an industrial camera, the positioning camera 4 is fixedly arranged on the fixing frame main body 1, the position and the state of a workpiece can be monitored in real time, the relative position of the clamp and the target object is monitored in real time, and the position of the clamp is adjusted through collected image data so as to ensure the accuracy of the action of the clamp.
In the embodiment, the whole fixing frame body 1 is of a hollowed-out structure, the bottom of the fixing frame body is a horizontal plane, the negative pressure adsorption mechanism 2 comprises a plurality of sucker units 21 capable of being controlled independently, electromagnetic control valves for adjusting the caliber of the sucker units 21 are arranged on each sucker unit 21, the sucker units 21 and the electromagnetic control valves are connected with an external negative pressure control system, a negative pressure environment can be formed below the sucker units 21 through the negative pressure control system, so that a target object is grabbed in multiple points, meanwhile, the negative pressure control system can regulate and control the electromagnetic control valves according to the requirement, the adsorption strength of the sucker units 21 is adjusted, the sucker units 21 are uniformly distributed on the horizontal plane at the bottom of the fixing frame in an array mode, multi-point grabbing of the target object can be achieved through the sucker units 21, the caliber of the sucker units 21 is controlled through the electromagnetic control valves, the air pressure strength of adsorption can be adjusted conveniently according to the shape and structure of the object, and the stability of a living area of the object is improved. The suction cup units 21 realize independent adsorption through a negative pressure control system, and the positions and the suction sizes of the adsorption points are adjusted according to the shapes and the weight distribution of the objects, so that the stability of the target objects in the grabbing and transferring processes is ensured, and the multi-point independent control design can effectively prevent the target objects from shifting or falling due to uneven distribution of the adsorption force.
Specifically, snatch protection machanism 3 includes two rotatory protective frame 31 that snatch, for lightening anchor clamps holistic weight, rotatory protective frame 31 that snatchs is hollow out construction, has reduced the dead weight when guaranteeing structural strength to the energy consumption burden has been reduced. Two rotatory protection frame 31 symmetry that snatchs set up in the both sides of mount main part 1, and two rotatory protection frame 31 all rotate and set up on mount main part 1, are equipped with between rotatory protection frame 31 and the mount main part 1 and keep off stop nylon piece 12 for restriction protection shield range of motion ensures that it can stop after reaching the target position, and avoids leading to taking place to interfere or damage between the part because of excessive motion.
More specifically, two sides of the fixing frame main body 1 are respectively and rotatably connected with a rotating shaft 11 which is horizontally arranged, two sides of the fixing frame main body 1 are respectively and fixedly connected with bearing seats, the rotating shafts 11 are rotatably connected to the corresponding bearing seats through bearings, the two rotating shafts 11 are mutually parallel and symmetrically arranged, the two rotating grabbing protection frames 31 are respectively and fixedly installed on the corresponding rotating shafts 11, so that the rotating grabbing protection frames 31 can flexibly rotate, the grabbing protection mechanism 3 further comprises a driving control component 32 for driving the two rotating grabbing protection frames 31 to rotate, the whole negative pressure adsorption mechanism 2 is located between the two rotating grabbing protection frames 31 and can be covered by the two rotating grabbing protection frames 31, the two rotating grabbing protection frames 31 can be covered on the outer portion of an object grabbed by the negative pressure adsorption mechanism 2, each rotating grabbing protection frame 31 can have a semi-surrounding effect on the object, and all-around protection of the object is realized through the two rotating grabbing protection frames 31.
Further, the rotary grabbing protection frame 31 includes a connection portion 311 and a bearing protection portion 312, the connection portion 311 is fixedly connected with the rotation shaft 11, so that the rotary grabbing protection frame 31 is rotationally connected to the fixing frame body 1, the bearing protection portion 312 is arranged on the connection portion 311, referring to fig. 1-3, after the rotary grabbing protection frame 31 rotates, the side face of an object can be protected through the connection portion 311, the bottom of the object is protected through the bearing protection portion 312, in the embodiment, the connection portion 311 and the bearing protection portion 312 are integrally formed, the rotary grabbing protection frame 31 integrally forms an L-shaped structure, and a nylon buffer 313 is arranged on the upper surface of the bearing protection portion 312 to reduce direct impact force generated on the surface of the object during movement of the nylon buffer and avoid scratches or indentations on the surface of the object during grabbing. Referring to fig. 4, in another possible embodiment, the bearing protection portion 312 is slidably connected to the connection portion 311, and the sliding direction is perpendicular to the rotation axis 11, the bearing protection portion 312 is fixed at a position after sliding by the locking member 314, the locking member 314 may be a bolt, the position of the bearing protection portion 312 on the connection portion 311 can be adjusted by sliding the bearing protection portion 312, and the position of the bearing protection portion 312 after sliding can be fixed by the locking member 314, so that the size of the internal space formed by the two rotary grabbing protection frames 31 can be conveniently adjusted, so as to be suitable for protecting objects with different volumes.
Referring to fig. 5, in still another possible embodiment, the carrying protection portion 312 is slidably connected to the connection portion 311, the sliding direction is perpendicular to the rotation axis 11, the telescopic cylinder 315 is fixedly installed on the connection portion 311, the carrying protection portion 312 is fixedly connected to a piston rod of the telescopic cylinder 315, the movement of the carrying protection portion 312 is controlled by the telescopic cylinder 315, when the fixture rotates an object, the negative pressure adsorption mechanism 2 adsorbs the object to grasp the object, the two rotating capturing protection frames 31 are wrapped outside the object, at this time, the position of the carrying protection portion 312 is adjusted by the telescopic cylinder 315, so that the carrying protection portion 312 can carry the bottom of the object, at this time, the negative pressure adsorption mechanism 2 can stop working, energy saving in the transferring process is achieved, and when the object needs to be put down, the negative pressure adsorption mechanism 2 is started to adsorb the object again, so as to place and transfer the object.
Referring to fig. 1 to 3, in order to drive two rotary gripping and protecting frames 31 to rotate, the driving control assembly 32 includes a driving cylinder 321, a connecting frame 322, two racks 323 and two gears 324, the driving cylinder 321 is fixedly mounted on the fixing frame body 1 along a vertical direction, the driving cylinder 321 drives the rotary gripping and protecting frames 31 at two sides to symmetrically move, and the rotary gripping and protecting frames 31 can be adjusted to a proper position according to the size and shape of a target object in a moving process, so that the positioning and supporting of the object are realized. The driving mode of the driving control component 32 can be pneumatic, hydraulic or electric, and centralized control is realized through a robot control system, so that the movement speed, force and position of the protection device can be accurately regulated according to specific use requirements.
Further, the center part fixed connection of link 322 is on the piston rod of actuating cylinder 321, the both ends of link 322 are symmetrical structure, two racks 323 are fixed connection respectively in the both ends of link 322 and are vertical setting, fixedly connected with two guide rails 13 on mount main part 1 and correspond with the position of two racks 323 respectively, sliding connection adaptation between rack 323 and the guide rail 13, guide rail 13 is used for supporting rack 323 and ensures that it keeps sharp and steady in the motion in-process, two gears 324 coaxial fixed connection respectively on two rotation axis 11, two racks 323 mesh with being located homonymy corresponding gear 324 respectively, actuating cylinder 321 drives link 322 and moves and can drive two racks 323 and remove simultaneously, because the meshing between rack 323 and the gear 324, rack 323 drives gear 324 and rotation axis 11 synchronous rotation, thereby realize that two rotations snatch protection frame 31 are rotatory simultaneously, realize opening and closing, when two rotations protection frame 31 are rotatory to open, the bottom of mount main part 1 spills, so that negative pressure adsorption mechanism 2 can adsorb the snatch the object, rethread two rotation protection frame 31 rotate and close, can realize carrying out the protection to the object of carrying out the whole aspect of transporting and the protection of the object is not receiving the protection in the aspect of the object and is damaged in the aspect of the transportation.
Further, in the present embodiment, parameters of the rack 323 and the gear 324 are set as shown in the following, the modulus, the pressure angle, the tooth top coefficient, the top clearance coefficient and the displacement coefficient of each gear 324 are all equal, the modulus m=2, the pressure angle α=20°, the tooth top coefficient ha=1, the top clearance coefficient c=0.25, the displacement coefficient χ=0, the number of teeth z1=30 of the gear 324, the number of linear teeth z2=150 of the rack 323, the transmission ratio of the gear 324 and the rack 323 is i=z2/z1=5, the rack 323 and the gear 324 can be made of high-strength alloy steel materials, the surface is quenched, the hardness can reach HRC 58-62, the dynamic friction coefficient μ between tooth surfaces is about 0.15-0.2, the gear 324 can bear about 3Nm of torque when engaged with the rack 323, and the number of teeth or the length of the rack 324 can be adjusted according to the use requirement and the clamp load condition, so as to meet the different working condition requirements, the material and the surface treatment mode can be optimized according to the practical use condition.
It is to be understood that the terms "comprises" and "comprising," as used in this specification, mean the presence of the disclosed function, operation, or element, and is not limited to one or more additional functions, operations, and elements. In the present application, terms such as "comprising" and/or "having" may be construed to mean a particular feature, number, operation, constituent element, component, or combination thereof, but may not be construed to exclude the presence or addition of one or more other features, numbers, operations, constituent elements, components, or combination thereof.
It should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the application and is not intended to limit the application, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.