CN111702800A - Clamping device and clamping jaw assembly thereof - Google Patents

Clamping device and clamping jaw assembly thereof Download PDF

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Publication number
CN111702800A
CN111702800A CN202010600225.6A CN202010600225A CN111702800A CN 111702800 A CN111702800 A CN 111702800A CN 202010600225 A CN202010600225 A CN 202010600225A CN 111702800 A CN111702800 A CN 111702800A
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China
Prior art keywords
clamping jaw
clamping
wedge
shaped
jaw
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Granted
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CN202010600225.6A
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Chinese (zh)
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CN111702800B (en
Inventor
林伟明
杜佳富
郑剑
林姚辰
林海松
胡君雄
叶冬冬
徐文辉
樊智涌
陈芳吉
杨小青
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Zhejiang King Mazon Machinery Co ltd
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Zhejiang King Mazon Machinery Co ltd
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Priority to CN202010600225.6A priority Critical patent/CN111702800B/en
Publication of CN111702800A publication Critical patent/CN111702800A/en
Application granted granted Critical
Publication of CN111702800B publication Critical patent/CN111702800B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/08—Gripping heads and other end effectors having finger members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/0033—Gripping heads and other end effectors with gripping surfaces having special shapes
    • B25J15/0038—Cylindrical gripping surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/02—Gripping heads and other end effectors servo-actuated
    • B25J15/0253—Gripping heads and other end effectors servo-actuated comprising parallel grippers
    • B25J15/0293—Gripping heads and other end effectors servo-actuated comprising parallel grippers having fingers directly connected to actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses a clamping device and a clamping jaw assembly thereof, which comprise two clamping plates which are symmetrically arranged, wherein clamping jaws are respectively arranged on the two clamping plates, the lower ends of the clamping plates are provided with sliding blocks in a sliding manner, the sliding blocks can longitudinally slide on the clamping plates, the clamping jaws are arranged on the sliding blocks, and at least one V-shaped first groove is formed in each clamping jaw. The clamping jaw assembly can automatically adjust the relative position of the clamping jaw and the material, so that the clamping jaw can be self-adaptively aligned with the material, and the material can be rapidly and firmly clamped on the clamping jaw; simultaneously, this press from both sides and get device can realize getting and lifting function to the clamp of material in step, avoids pressing from both sides the process material and produce line conveyer belt friction and harm material surface and conveyer belt.

Description

Clamping device and clamping jaw assembly thereof
Technical Field
The present invention relates to a gripping apparatus, and more particularly, to a gripping apparatus and a jaw assembly thereof.
Background
The clamping mechanism is widely applied to the fields of automatic production, automatic detection and the like, and the operations of moving and carrying materials are realized. The existing clamping mechanism is complex in structure, and can respectively realize transverse and longitudinal movement through two driving sources, and in addition, the requirement on the matching relationship between a pipe fitting and a clamping jaw is high.
Chinese patent application publication No. CN110817420A discloses a loading and unloading device for connecting with a mechanical arm to clamp a glass tube from a cleaning mechanism to a tube clamping tool, the loading and unloading device comprising a first connecting plate, a clamp mechanism, a first driving mechanism and a second driving mechanism, the clamp mechanism comprising a first clamping jaw and a second clamping jaw arranged at an interval, one end of the first driving mechanism being connected to the first connecting plate, the other end of the first driving mechanism being connected to the clamp mechanism for driving the first clamping jaw and the second clamping jaw to open and close to clamp or unclamp the glass tube, one end of the second driving mechanism being connected to the mechanical arm, the other end of the second driving mechanism being connected to the first connecting plate for driving the clamp mechanism to linearly reciprocate in a horizontal direction, the clamp mechanism being driven by the second driving mechanism to move to a preset position of the cleaning mechanism, and then the clamp mechanism being driven by the first driving mechanism to open and close, and then the second driving mechanism drives the clamp mechanism to move to the pipe clamping tool, so that the automation degree is high, the working efficiency can be improved, and the labor intensity of workers is reduced.
Chinese patent with granted publication number CN210392892U discloses a workpiece suction head device with an automatic correction function, which comprises a mounting seat and a suction head, wherein the mounting seat is provided with a driving mechanism for driving the suction head to move up and down, the mounting seat is provided with a pair of horizontal guide rods, the horizontal guide rods are sleeved with guide blocks and guide springs I, 1 pair of upper parts of the guide blocks are all provided with wedge blocks, 1 pair of lower parts of the guide blocks extend to the lower part of the suction head and are provided with horizontally arranged profiling clamping jaws, a groove for accommodating a workpiece is arranged between 1 pair of profiling clamping jaws, and the driving mechanism is connected with a guide wheel which moves up and down and is used for contacting with the inclined; the utility model discloses can be provided with the profiling clamping jaw in the suction head below and carry out automatic centering, combine spring resetting means, voussoir and leading wheel, make the profiling clamping jaw reciprocate the in-process at the suction head and carry out the centre gripping automatically and loosen the work piece, reach the purpose of rectifying, simple structure, with low costs can the fixed point clamp get and the subsides of fixed point, degree of automation is high, machining efficiency is high.
However, the gripping devices disclosed in the above two patents still have some disadvantages, which are as follows:
1) the mechanism is complex and occupies large space;
2) the clamping jaw has a single structure and poor adaptability;
3) in many automated manufacturing lines, materials to be gripped are typically placed on a conveyor belt, and the materials on the conveyor belt are transported to a designated location by a gripping device; in the process of clamping materials, the clamping jaws can stay on the conveyor belt for a short time after clamping the materials, and in the process, the materials and the conveyor belt move relatively to each other and generate friction, and the friction can damage the surfaces of the materials; the existing clamping device realizes the transverse and longitudinal movement of the clamping jaw through two driving sources when clamping materials, and the operation process is complex.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a clamping device and a clamping jaw assembly thereof, wherein the clamping jaw assembly can automatically adjust the relative position of a clamping jaw and a material, so that the clamping jaw can self-adaptively align the material and firmly clamp the material on the clamping jaw.
In order to achieve the purpose, the invention provides the following technical scheme: the clamping jaw assembly of the clamping device comprises two clamping plates which are symmetrically arranged, clamping jaws are respectively arranged on the two clamping plates, a sliding block is arranged at the lower end of each clamping plate in a sliding mode, the sliding block can longitudinally slide on the clamping plates, the clamping jaws are installed on the sliding blocks, and at least one first groove which is in a V shape is formed in each clamping jaw.
Preferably, the clamping jaw is provided with two V-shaped first grooves, and the two first grooves are intersected with each other to form adjusting clamping blocks at four intersection angles formed by the intersection of the two first grooves.
Preferably, at least one of the upper end and the lower end of the sliding block is provided with a first elastic piece, and when the clamping jaw clamps the material, the first elastic piece urges the clamping jaw to move longitudinally.
Preferably, the sliding block is connected with the clamping jaw through a guide rod, one end of the guide rod is connected with the clamping plate in a sliding mode, and the other end of the guide rod is fixedly connected with the clamping jaw; and a second elastic piece is arranged between the clamping jaw and the sliding block, and when the clamping jaw clamps materials, the second elastic piece promotes the clamping jaw to move transversely.
Preferably, the clamping jaw and the clamping plate form a wedge-shaped structure matched, and the clamping jaw ascends along the wedge-shaped structure when clamping materials.
Preferably, a wedge-shaped boss is fixed at the lower end of the clamping plate or integrally formed, and a wedge-shaped groove is formed on the clamping jaw corresponding to the wedge-shaped boss; the wedge-shaped boss and the wedge-shaped groove are in inclined plane sliding fit, and when the clamping jaw clamps materials, the clamping jaw rises along the wedge-shaped boss.
Preferably, the wedge-shaped bosses are respectively fixed to two sides of the lower end of the clamping plate or integrally formed on the two sides of the lower end of the clamping plate, and two wedge-shaped grooves are formed in the positions, corresponding to the wedge-shaped bosses, of the clamping jaw; a guide groove is formed between the two wedge-shaped bosses, a guide plate part is formed between the two wedge-shaped grooves on the clamping jaw, and the guide plate part is embedded into the guide groove.
Preferably, the bottom of the first groove forms an arc-shaped groove.
Preferably, the clamping jaw is made of a nylon material.
A gripping apparatus comprising a jaw assembly of a gripping apparatus as described above.
In conclusion, the invention has the following beneficial effects:
1. the clamping jaw assembly can automatically adjust the relative position of the clamping jaw and the material, so that the clamping jaw can be self-adaptively aligned with the material, and the material can be rapidly and firmly clamped on the clamping jaw;
2. the clamping jaw assembly is characterized in that a wedge-shaped structure is formed between the clamping plate and the clamping jaw, the clamping jaw is driven by the driving mechanism to move transversely and clamp materials, the clamping jaw moves upwards relative to the clamping plate along the wedge-shaped structure under the action of reverse thrust of the materials, and the function of lifting the materials is realized, so that the functions of clamping and lifting the materials on a production line are synchronously realized, and the materials are prevented from rubbing with a conveyor belt of the production line in the clamping process to damage the surface of the materials and the conveyor belt;
3. the clamping jaw of the clamping jaw assembly is provided with a V-shaped first groove, and the arrangement of the first groove is particularly suitable for clamping cylindrical materials;
4. the clamping jaw on the clamping device is provided with two V-shaped first grooves which are mutually crossed and perpendicular to form adjusting clamping blocks at four crossed included angles respectively, and the clamping device can meet the clamping requirements of horizontal and vertical cylindrical materials.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the retaining splint of the present invention;
FIG. 3 is a schematic view of a jaw of the present invention;
FIG. 4 is a schematic view of the structural assembly of the present invention;
FIG. 5 is a schematic view of gripping a horizontal material;
fig. 6 is a schematic view of the gripping of an upright material.
Reference numerals: 1. a clamping cylinder; 2. a splint; 3. a clamping jaw; 31. adjusting the clamping block; 321. a second elastic member; 322. a bolt; 33. a wedge-shaped groove; 4. material preparation; 11. a cylinder block; 12. a connecting plate; 22. A slider; 23. a slide rail; 25. a first elastic member; 26. a second through hole; 27. a wedge-shaped boss; 271. a guide groove; 272. a guide plate portion.
Detailed Description
The invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Embodiment 1 discloses a clamping jaw assembly of a clamping device, which includes two symmetrically arranged clamping plates 2, and clamping jaws are respectively slidably arranged at lower ends of the two clamping plates, the clamping jaws can longitudinally slide on the clamping plates, when the clamping jaws 3 clamp a material, the clamping jaws 3 longitudinally slide on the clamping plates 2, at least one V-shaped first groove is formed in the clamping jaws 3, adjusting clamping blocks 31 are respectively formed at two opposite sides of the first groove, and the arrangement of the first groove is particularly suitable for clamping cylindrical materials; in the process of clamping materials, the clamping jaw 3 is close to the materials, meanwhile, the materials are extruded by the clamping jaw 3 and are embedded into the first groove on the clamping jaw 3, and the materials can be firmly clamped on the clamping jaw 3 through the matching of two or more clamping jaw components; the clamping plate 2 is also provided with an elastic part, and when the clamping jaw 3 clamps materials, the elastic part promotes the clamping jaw 3 to move on the clamping plate. The movement of the clamping jaw 3 on the clamping plate 2 can be transverse movement, namely the clamping jaw is close to or far away from the clamping plate, or longitudinal movement, namely the clamping jaw slides longitudinally on the clamping plate, or the simultaneous movement in both transverse and longitudinal directions; in addition, the clamping jaw 3 can be directly connected with the clamping plate 2 in a sliding manner through a sliding rail 23 or a guide groove, or the clamping plate 2 is indirectly connected with the clamping plate 2 in a sliding manner through a sliding block 22, so that the clamping jaw can longitudinally slide on the clamping plate; the method comprises the following specific steps:
the first embodiment: the clamping jaw 3 is longitudinally arranged on the clamping plate 2 in a sliding mode through a sliding rail 23 or a guide groove, meanwhile, the clamping plate 2 is provided with an elastic piece, and when the clamping jaw 3 clamps materials, the elastic piece enables the clamping jaw 3 to longitudinally move; so, snatch the in-process of material at clamping jaw 3, when the material is in clamping jaw 3's top or below position on the side, the material does not imbed first recess completely promptly, but offsets with adjustment clamp splice 31, clamping jaw 3 receives the extrusion of material and takes place longitudinal sliding, and then adjustment clamping jaw 31 that can be automatic and the relative position of material on longitudinal direction for the material is aimed at and makes in the first recess on the material embedding clamping jaw 3 to clamping jaw 3 self-adaptation, and then can be quick with the firm clamp of material on clamping jaw 3.
The second embodiment: the clamping jaw 3 is transversely arranged on the clamping plate 2 in a sliding manner through a sliding rail 23 or a guide groove, meanwhile, the clamping plate 2 is provided with an elastic part, and when the clamping jaw 3 clamps a material, the elastic part enables the clamping jaw 3 to transversely move and approach the material so as to clamp the material; so, when getting the cylinder class material, get the in-process of material at clamping jaw 3 to the conveyer belt direction motion and clamp, adjustment clamp splice 31 contact material on clamping jaw 3 and receive the extrusion of material, the reaction force that receives the material makes clamping jaw 3 take place lateral motion, simultaneously, clamping jaw 3 remains the laminating state throughout with the perisporium of material under the effect of elastic component, when in the first recess of material embedding, clamping jaw 3 is close to the material under the effect of elastic component, make the alignment material of clamping jaw 3 self-adaptation and make in the first recess of material embedding, and then can be quick press from both sides the firm clamp of material on clamping jaw 3.
Third embodiment: the clamping plate 2 is indirectly connected with the clamping plate 2 in a sliding manner through a sliding block 22, specifically, a square groove is formed in the lower end of the clamping plate 2, the sliding block 22 is arranged in the square groove in a sliding manner through a sliding rail 23 or a guide groove, the sliding block 22 can longitudinally slide in the square groove, and the clamping jaw 3 is arranged on the sliding block 22; further, the elastic part comprises a first elastic part, at least one end of the upper end and the lower end of the sliding block 22 is provided with a first elastic part 25, wherein the first elastic part 25 is a spring, one end of the first elastic part 25 is abutted against or fixedly connected with the clamping plate 2, and the other end of the first elastic part 25 is abutted against or fixedly connected with the sliding block 22; when the clamping jaw 3 clamps the material, the first elastic piece 25 urges the clamping jaw 3 to move longitudinally; the embodiment is that the clamping jaw 3 is arranged on the clamping plate 2 in a longitudinal sliding way through a sliding block 22.
Fourth embodiment: the embodiment is further optimized on the basis of the third embodiment, the clamping jaw is connected to the sliding block 22 through a guide rod, the guide rod can be a bolt 322 or a cross rod, one end of the guide rod is transversely arranged on the sliding block 22 in a sliding manner, the other end of the guide rod is fixedly connected with the clamping jaw 3, specifically, a first through hole communicated with the square groove is formed in the position, corresponding to the square groove, of the clamping plate 2, meanwhile, a second through hole 26 is formed in the sliding block 22 in the horizontal direction, and the bolt 322 penetrates through the first through hole and the second through hole 26 in the sliding block 22 to be connected with the clamping jaw 3; meanwhile, the elastic part further comprises a second elastic part, and a second elastic part 321 is further arranged between the sliding block 22 and the clamping jaw 3, wherein the second elastic part 321 is a spring, the spring is sleeved on the guide rod, one end of the second elastic part 321 is abutted against or fixedly connected with the sliding block 22, and the other end of the second elastic part 321 is abutted against or fixedly connected with the clamping jaw 3. In this embodiment, in the process that the material is grabbed by the clamping jaw 3, the clamping jaw 3 is squeezed by the material and adaptive adjustment is performed, the adjustment includes lateral movement or longitudinal sliding or simultaneous movement in both lateral and longitudinal directions, and then the relative position between the clamping jaw 3 and the material is adjusted, so that the clamping jaw 3 is adaptive to align the material and enable the material to be embedded into the first groove on the clamping jaw 3, and further the material is firmly clamped on the clamping jaw 3.
Meanwhile, as shown in fig. 3, preferably, two V-shaped first grooves are formed on the clamping jaw 3, and the two first grooves are intersected with each other to form adjusting clamping blocks 31 at four intersection angles formed by the intersection of the two grooves; further, two first recesses mutually perpendicular, clamping jaw 3 adopts the first recess of horizontal and vertical both sides orientation V type, can satisfy the clamp demand of getting of level and upright cylinder class material simultaneously. In addition, the bottom of the first groove forms an arc-shaped groove which is matched with the peripheral wall of the cylindrical material. Simultaneously, clamping jaw 3 adopts the nylon material, and it can avoid pressing from both sides and hinder the material surface, improves the frictional force between the material simultaneously, prevents the material slippage.
In order to reduce the friction between the clamping jaw 3 and the conveyor belt, as shown in fig. 1 and 2, the clamping jaw 3 and the lower end of the clamping plate 2 form a wedge-shaped structure for matching, and when the clamping jaw clamps materials, the clamping jaw 3 ascends along the wedge-shaped structure; specifically, a wedge-shaped boss 27 is fixed or integrally formed at the lower end of the clamping plate 3, and a wedge-shaped groove 33 is formed on the clamping jaw 3 corresponding to the wedge-shaped boss 27; the wedge-shaped boss 27 and the wedge-shaped groove 33 are in inclined sliding fit, when the clamping jaw 3 clamps materials, the clamping jaw rises along the wedge-shaped boss 27, and the height of the wedge-shaped structure in the longitudinal direction is consistent with the range of the slide block 22 in which the slide block can move up and down. Form wedge structure cooperation between splint 2 and the clamping jaw 3, clamping jaw 3 realizes lateral shifting and presss from both sides the material of getting under die clamping cylinder's drive, under the reverse thrust effect of material, clamping jaw 3 relative splint 2 shifts up along the wedge structure, realizes the function that promotes the material to the synchronous realization is got and is promoted the function to the clamp of material on the production line, avoids pressing from both sides the process material and produces line conveyer belt friction and harm material surface and conveyer belt.
Further, as shown in fig. 4, wedge-shaped bosses 27 are respectively fixed or integrally formed on two sides of the lower end of the clamping plate 2, and two wedge-shaped grooves 33 are formed on the clamping jaw 3 corresponding to the wedge-shaped bosses 27; a guide groove 271 is formed between the two wedge-shaped bosses 27, and a guide plate portion 272 is formed between the two wedge-shaped grooves 33 on the jaw 3, and the guide plate portion 272 is fitted into the guide groove 271. The guide plate portions 272 fit into the guide grooves 271, and when the jaws 3 slide along the wedge-shaped bosses 27 on the chucking plate 2 and rise, the engagement of the guide plate portions 271 and the guide grooves 272 guides the sliding of the jaws 3. In addition, the upper end of wedge boss 27 forms the inclined plane structure, and the contained angle of this inclined plane structure and splint 2 is 20 ~ 60, the relative movement of the clamping jaw 3 of being convenient for and splint 2, as preferred, the contained angle of this inclined plane structure and splint 2 is 45, and it can be according to the height of pressing from both sides the required promotion of material, the projection length of the inclined plane structure on splint 2 of adjustment wedge structure.
A gripping apparatus comprising a jaw assembly of a gripping apparatus as described above. The clamping jaw assembly is applied to the clamping device, the clamping device realizes the synchronous function of clamping and lifting, the carrying and transferring functions of materials of an automatic production line can be met, and the clamping jaw 3 is provided with the V-shaped first groove which is particularly suitable for clamping and lifting cylindrical materials; the clamping device is simple and compact in structure, meets the requirement of compact assembly space of an automatic production line, and solves the problems that the clamping device in the existing production line is complex in structure and is respectively driven by clamping/lifting.
Embodiment 2, this embodiment discloses press from both sides and get hoist mechanism, including die clamping cylinder 1 and foretell clamping jaw assembly, die clamping cylinder 1's both ends are respectively through connecting plate 12 installation splint, and clamping jaw assembly realizes transversely pressing from both sides tightly under die clamping cylinder 1's drive, and die clamping cylinder 1 adopts heavy-calibre opening to press from both sides finger cylinder, including cylinder body 11 and the connecting plate 12 of both sides, and it can press from both sides specification, the weight selection suitable cylinder of getting the cylinder class material. Furthermore, hydraulic buffers are added at two ends of the clamping cylinder 1 simultaneously, so that the thin-wall materials can be prevented from being impacted or damaged by clamping during clamping; see example 1 for jaw assembly and wedge configuration.
The working principle is as follows: as shown in fig. 5-6, when the clamping cylinder 1 is clamped tightly, the clamping plate 2 and the clamping jaw 3 are driven to clamp inwards, the clamping jaw 3 clamps horizontal or vertical cylindrical materials 4, under the reverse action of the materials 4, the clamping jaw 3 is matched with the wedge-shaped structure of the clamping plate 2, the lifting function of the materials 4 is realized, and meanwhile, the spring on the back of the clamping jaw 3 and the spring on the sliding block 22 are extruded. When the clamping cylinder 1 is unclamped, the clamping plate 2 and the clamping jaw 3 are opened outwards, and the spring on the sliding block 22 and the spring on the back of the clamping jaw 3 are loosened, so that the clamping jaw 3 moves downwards relative to the clamping plate 2, returns to an initial state, and drives the material 4 to descend to be separated.
Embodiment 3 discloses a clamping device of a manipulator, which includes a plurality of clamping jaw assemblies and a driving mechanism for driving the clamping jaw assemblies to approach each other and clamp a material, wherein when two clamping jaw assemblies are provided, the driving mechanism may be the clamping cylinder 1, or a hydraulic cylinder or a motor; when the number of the clamping jaw assemblies is more than two, the structure of the driving mechanism is specifically referred to the Chinese patent with the publication number of CN 210210425U. See example 1 for jaw assembly and wedge configuration.
The manipulator comprises the clamping device of the manipulator.
The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (10)

1. Get clamping jaw subassembly of device, characterized by: including two splint (2) that the symmetry set up, be provided with clamping jaw (3) on two splint (2) respectively, the lower extreme of splint (2) slides and is provided with slider (22), slider (22) can carry out longitudinal sliding on splint (2), install on slider (22) clamping jaw (3), set up at least one first recess that is the V-arrangement on clamping jaw (3).
2. The gripper assembly of the grasping device according to claim 1, wherein: two V-shaped first grooves are formed in the clamping jaw (3), and the two first grooves are mutually crossed to form adjusting clamping blocks (31) at four crossed included angles.
3. The gripper assembly of the grasping device according to claim 1, wherein: at least one end of the upper end and the lower end of the sliding block (22) is provided with a first elastic piece (25), and when the clamping jaw (3) clamps the material (4), the first elastic piece (25) enables the clamping jaw (3) to move longitudinally.
4. The gripper assembly of the grasping device according to claim 3, wherein: the sliding block (22) is connected with the clamping jaw (3) through a guide rod, one end of the guide rod is connected with the clamping plate (2) in a sliding mode, and the other end of the guide rod is fixedly connected with the clamping jaw (3); and a second elastic piece (321) is arranged between the clamping jaw (3) and the sliding block (22), and when the clamping jaw (3) clamps the material (4), the second elastic piece (321) urges the clamping jaw (3) to move transversely.
5. The gripper assembly of the grasping device according to claim 1, wherein: the clamping jaw (3) and the clamping plate (2) form a wedge-shaped structure for matching, and when the clamping jaw (3) clamps the material (4), the clamping jaw (3) rises along the wedge-shaped structure.
6. The gripper assembly of the grasping device according to claim 5, wherein: a wedge-shaped boss (27) is fixed at the lower end of the clamping plate (2) or integrally formed, and a wedge-shaped groove (33) is formed on the clamping jaw (3) corresponding to the wedge-shaped boss (27); the wedge-shaped boss (27) is in inclined plane sliding fit with the wedge-shaped groove (33), and when the clamping jaw (3) clamps the material (4), the clamping jaw rises along the wedge-shaped boss (27).
7. The gripper assembly of the grasping device according to claim 6, wherein: the two sides of the lower end of the clamping plate (2) are respectively fixed with or integrally formed with the wedge-shaped bosses (27), and two wedge-shaped grooves (33) are formed on the clamping jaw (3) corresponding to the wedge-shaped bosses (27); a guide groove (271) is formed between the two wedge-shaped bosses (27), a guide plate part (272) is formed between the two wedge-shaped grooves (33) on the clamping jaw (3), and the guide plate part (272) is embedded into the guide groove (271).
8. The gripper assembly of the grasping device according to claim 1, wherein: the bottom of the first groove forms an arc-shaped groove.
9. The gripper assembly of the grasping device according to claim 1, wherein: the clamping jaw (3) is made of a nylon material.
10. Get device, characterized by: a jaw assembly comprising a gripper apparatus according to any of claims 1 to 9.
CN202010600225.6A 2020-06-28 2020-06-28 Clamping device and clamping jaw assembly thereof Active CN111702800B (en)

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CN111702800A true CN111702800A (en) 2020-09-25
CN111702800B CN111702800B (en) 2023-05-02

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CN112720543A (en) * 2020-12-29 2021-04-30 重庆市合川区昌友机械制造有限责任公司 Self-adaptive clamping tool
CN113246162A (en) * 2021-05-28 2021-08-13 东莞市冠佳电子设备有限公司 Vertical diode material taking clamping jaw
CN117841034A (en) * 2024-03-06 2024-04-09 川崎机器人(天津)有限公司 Industrial robot clamp

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CN209614407U (en) * 2019-01-14 2019-11-12 上海长恩精密机械有限公司 A kind of pipe cutting machine transplanting mechanism
CN210413553U (en) * 2019-05-22 2020-04-28 杜洪波 Positioning device capable of quickly disassembling and positioning cylindrical parts
CN210548663U (en) * 2019-08-29 2020-05-19 张宏亮 Special electrode clamp for die discharge machining

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CN202715810U (en) * 2012-06-04 2013-02-06 东莞市菱锐机械有限公司 Semi-floating clamping jaw device
CN205497519U (en) * 2016-04-18 2016-08-24 魏仕槚 Self -adaption manipulator
CN106166755A (en) * 2016-09-09 2016-11-30 安徽工程大学 A kind of continuous self-regulating mechanical gripper device of tilting
US9744675B1 (en) * 2017-04-07 2017-08-29 Hiwin Technologies Corp. Gripper capable of lifting a work piece
CN208117092U (en) * 2018-01-24 2018-11-20 安徽省恒泰动力科技有限公司 A kind of weldment clamping device
CN209614407U (en) * 2019-01-14 2019-11-12 上海长恩精密机械有限公司 A kind of pipe cutting machine transplanting mechanism
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112720543A (en) * 2020-12-29 2021-04-30 重庆市合川区昌友机械制造有限责任公司 Self-adaptive clamping tool
CN112720543B (en) * 2020-12-29 2022-04-22 重庆市合川区昌友机械制造有限责任公司 Self-adaptive clamping tool
CN113246162A (en) * 2021-05-28 2021-08-13 东莞市冠佳电子设备有限公司 Vertical diode material taking clamping jaw
CN117841034A (en) * 2024-03-06 2024-04-09 川崎机器人(天津)有限公司 Industrial robot clamp

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