CN214421735U - Vacuum suction device for end face positioning type inner arc surface object - Google Patents

Abstract

The utility model relates to a vacuum suction means technical field discloses a vacuum suction means for end face positioning formula intrados object, including the outer utensil of inhaling of disc, the outer utensil of inhaling includes disc operation panel, and operation panel bottom surface border position can with the annular step of waiting to absorb the terminal surface looks laminating of article, be equipped with first absorption subassembly in the annular step, and outer utensil of inhaling central axis position is equipped with interior utensil, and interior utensil lower extreme is equipped with second absorption subassembly, still including the adjustable or locking adjustment of distance between first absorption subassembly and the second absorption subassembly and locking the subassembly. The inner suction tool and the outer suction tool can respectively provide adsorption force for absorption, and can also absorb together according to actual requirements, so that the safety and stability of articles to be absorbed are ensured, the bottom surface of the outer suction tool can be attached to the end surface of the articles to be absorbed, and the accuracy of end surface positioning is ensured. In addition, the device is also provided with a synchronous protection mechanism, so that comprehensive secondary protection is provided for the articles to be absorbed, and the device has great popularization value and wide application prospect.

Description

Vacuum suction device for end face positioning type inner arc surface object

Technical Field

The utility model relates to a vacuum suction means technical field, concretely relates to a vacuum suction means for end face locate mode intrados object.

Background

The vacuum suction device is important equipment in industrial production, has different structural forms under different use requirements, has the most basic common requirements on safety and accuracy, has the most important reliability in the use process, and also requires that the sucked object can be accurately positioned on the suction device under some working conditions.

At present, the conventional method is to suck the surface of an inner cavity and lift an object, and realize posture control by utilizing contact force generated between the end surface of the object and a positioning surface of a sucker, but the method is easy to cause the condition of excessive or insufficient lifting and pulling, and the control of the lifting and pulling force is difficult, thereby causing the problems of sucking safety or reliable positioning.

Therefore, a vacuum suction device capable of realizing multi-point independent suction and simultaneously realizing safe suction and end face positioning is needed in the technical field of vacuum suction equipment.

Disclosure of Invention

The utility model overcomes prior art's defect provides one kind and can realize that the multiple spot independently absorbs, compromises safe absorption and terminal surface location simultaneously, is particularly useful for the vacuum suction means of terminal surface locate mode intrados object.

The utility model discloses a following technical scheme realizes:

the utility model provides a vacuum suction means for end face locate mode intrados object, includes the outer utensil of inhaling of the disc that accessible frame and drive apparatus dismantlement formula are connected, outer utensil of inhaling includes disc operation panel, operation panel bottom surface border position is equipped with the bellied annular step of axial, the bottom surface of annular step can laminate mutually with the terminal surface of treating the absorption article, be equipped with first absorption subassembly in the annular step, outer utensil central axis position of inhaling is equipped with interior utensil, interior utensil lower extreme of inhaling is equipped with second adsorption component, the terminal surface that second adsorption component was kept away from to outer utensil of inhaling is equipped with the adjustment of adjustable or locking distance between first absorption subassembly and the second adsorption component and locks the position subassembly.

Further, inhale the basic panel at utensil still includes operation panel top outward, first absorption subassembly includes that operation panel top surface is close to the annular that the edge set up, the annular constitutes annular air cavity with the bottom surface of basic panel, the position that operation panel bottom surface corresponds the air cavity is equipped with the annular and inhales the groove, it is binding off the form to inhale the groove, air cavity bottom surface and inhale and be equipped with a plurality of air vents between the groove top surface, inhale and be equipped with the caulking groove between groove top surface, the adjacent air vent, each be equipped with the fillet in the caulking groove, the inboard and the outside difference adaptation of the disconnected caulking ring of point that the fillet is constituteed are equipped with the sealing washer.

Furthermore, the top surface of the air cavity is provided with at least one air inlet pipe penetrating out of the top surface of the base panel, and the penetrating end of the air inlet pipe is provided with a first air path joint communicated with a vacuum generating instrument.

Furthermore, the inner sucker comprises an air-ventilating screw rod interacting with the adjusting locking assembly, the second sucker assembly comprises a sucker seat positioned at the lower end of the air-ventilating screw rod, at least three outward-expanding suckers are uniformly distributed on the circumference of the bottom surface of the sucker seat, and each outward-expanding sucker is communicated with the air-ventilating screw rod through a passage inside the sucker seat.

Furthermore, a one-way valve is arranged between the ventilating end of each outward expansion type sucking disc and the sucking disc seat.

Furthermore, the adjusting locking assembly comprises a driving mechanism and a locking mechanism, wherein the driving mechanism comprises a supporting frame fixedly connected with the top surface of the external suction tool;

the supporting frame comprises a bearing seat close to the top surface of the external sucker and a lifting cylinder seat positioned at one end of the bearing seat far away from the external sucker;

the bearing block is in an annular column shape with openings at two ends, the inner diameter of the middle part of the bearing block is smaller than that of the two opening ends, the lifting cylinder base is in a cylinder shape with an opening at the lower end, and the inner diameter of the opening is matched with that of the upper end of the bearing block.

Furthermore, the upper end face of the lifting cylinder seat is fixedly connected with a lifting cylinder, the output end of the lifting cylinder is coaxial with the ventilation screw rod, the output end of the lifting cylinder and the ventilation screw rod are respectively connected with two ends of the tension sensor, the lower part of the inner side wall of the supporting frame is provided with an anti-rotation cover, the inner side wall of the anti-rotation cover is provided with a special-shaped key, and the position of the ventilation screw rod, corresponding to the special-shaped key, is provided with an axially extending adaptive key groove.

Furthermore, a rolling bearing is arranged in the middle of the inner side wall of the bearing seat and in the small inner diameter, and an outer pressing sheet of a limiting outer rolling ring and an inner pressing sheet of a limiting inner rolling ring are arranged at the end face position, close to the anti-rotation cover, of the rolling bearing.

Further, the locking mechanism is including the runner of cover establishing the screw position that is equipped with of ventilation screw, the runner inside wall is equipped with the uide pin with ventilation screw thread adaptation, the chuck is established to the lateral wall cover of runner, chuck side is equipped with the latch segment, the latch segment can be controlled along the chuck radially be close to or keep away from the chuck.

Furthermore, one end of the locking block, which is far away from the chuck, is provided with a locking cylinder and is fixedly connected with the output end of the locking cylinder, and the cylinder body of the locking cylinder is fixedly connected with the top surface of the outer suction tool through a locking cylinder seat.

Furthermore, the periphery of outer suction apparatus is equipped with synchronous protection mechanism, synchronous protection mechanism includes the protection claw of at least three circumference equipartitions, each protection claw includes vertical section and the inflexion section that is located vertical section below, the inflexion section is to the horizontal extension of interior suction apparatus of inside orientation, each protection claw can be controlled along outer suction apparatus radial near or keep away from interior suction apparatus.

Further, the vertical section length of the protection claw is adjustable; or the vertical section of the protection claw is replaceable.

Furthermore, the position of the top of the outer suction tool corresponding to the protection claws is provided with a guide rail slider module, each guide rail slider module comprises a guide rail which extends along the outer suction tool in the radial direction, a slider is arranged on the guide rail (2), the top of the slider is provided with a slider push plate, and the centrifugal end of the slider push plate is fixedly connected with the protection claws through a connecting plate in a one-to-one correspondence manner.

Furthermore, but inhale the utensil top outward and be equipped with the guide ring that the utensil was inhaled outward to the axial near or keep away from, the articulated push rod in position that the guide ring bottom surface corresponds the protection claw, the radial swing of guide ring can be followed to the push rod, the one end that the guide ring was kept away from to the push rod passes through the swivel pin with the slider push pedal and constitutes to rotate to be connected, be equipped with the protection cylinder on the guide ring, the cylinder body and the guide ring rigid coupling of protection cylinder, the protection cylinder output is connected with the outer utensil top surface of inhaling.

Further, the frame is including the mounting panel that is located adjustment lock position subassembly top, the mounting panel is close to three piece at least stands of a circumference equipartition of outer suction tool, each the one end that the mounting panel was kept away from to the stand with inhale the perpendicular rigid coupling of utensil top surface outward, each the stand middle part passes synchronous protection mechanism and constitutes sliding connection.

Furthermore, two ends of each upright post are provided with post seats; and/or linear bearings matched with the outer diameters of the stand columns are arranged at the positions, corresponding to the stand columns, of the synchronous protection mechanism.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses an utensil is inhaled outward to disc that accessible frame and drive apparatus dismantlement formula are connected, the utensil is inhaled outward including disc operation panel, operation panel bottom surface border position is equipped with the bellied annular step of axial, the bottom surface of annular step can be laminated mutually with the terminal surface of waiting to absorb article, be equipped with first adsorption component in the annular step, the utensil is inhaled in outer suction shaft position is equipped with, interior adsorption component lower extreme is equipped with the second adsorption component, the terminal surface that second adsorption component was kept away from to outer suction device is equipped with the adjustment of adjustable or locking distance between first adsorption component and the second adsorption component and locks the position subassembly. Interior suction means and outer suction means can provide the adsorption affinity respectively and absorb, also can adsorb together according to actual demand, but the gas circuit between each other is all independent, has guaranteed the safety and stability of waiting to absorb article, and outer suction means bottom surface is equipped with first absorption subassembly and can with wait to absorb article terminal surface and laminate mutually, has guaranteed the accuracy of terminal surface location. In addition, the device is also provided with a synchronous protection mechanism, so that comprehensive secondary protection is provided for the articles to be absorbed, and the device has great popularization value and wide application prospect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic perspective view of the overall structure of the present invention;

FIG. 2 is a general schematic view of the adjustable locking assembly of the present invention;

FIG. 3 is a schematic structural view of the ventilating screw and the runner of the present invention;

FIG. 4 is a sectional view of the external suction tool of the present invention;

FIG. 5 is a perspective view of the external suction device of the present invention;

FIG. 6 is a perspective view of the internal suction tool of the present invention;

fig. 7 is a schematic perspective view of the synchronous protection mechanism of the present invention;

fig. 8 is a schematic perspective view of the rack of the present invention;

fig. 9 is a schematic view of the position relationship between the external suction tool and the adjusting locking assembly of the present invention.

Reference numbers and corresponding part names in the drawings:

1-internal suction tool, 11-external expansion type suction cup, 12-one-way valve, 13-ventilation screw, 14-suction cup seat, 2-external suction tool, 21-basic panel, 22-operation panel, 23-sealing ring, 24-insertion strip, 3-adjusting locking component, 31-supporting frame, 32-anti-rotation cover, 33-special-shaped key, 34-bearing seat, 35-rolling bearing, 36-chuck, 37-external pressing sheet, 38-internal pressing sheet, 39-rotating wheel, 310-guide pin, 311-locking block, 312-locking cylinder, 313-locking cylinder seat, 314-lifting cylinder seat, 315-tension sensor, 316-lifting cylinder, 4-synchronous protection mechanism, 41-protection claw, 42-guide rail sliding block module, 43-slide block push plate, 44-push rod, 45-rotating pin, 46-guide ring, 47-linear bearing, 48-protective cylinder, 49-cylinder pull rod, 5-frame, 51-mounting plate, 52-column base and 53-column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the following examples and accompanying drawings 1-9, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended to limit the present invention.

The utility model provides a vacuum suction means for end face locate mode intrados object, inhale utensil 2 outward including the disc that accessible frame 5 and drive apparatus dismantlement formula are connected, it includes disc operation panel 22 to inhale utensil 2 outward, operation panel 22 bottom surface border position is equipped with the bellied annular step of axial, the bottom surface of annular step can be laminated with the terminal surface of treating the absorption article mutually, be equipped with first adsorption component in the annular step, 2 axis positions in the outer utensil of inhaling are equipped with interior suction tool 1, 1 lower extreme in the suction tool is equipped with the second adsorption component, the terminal surface that second adsorption component was kept away from to outer suction tool 2 is equipped with the adjustment of adjustable or locking distance between first adsorption component and the second adsorption component and is locked the subassembly 3. It can be understood that, interior suction apparatus 1 and outer suction apparatus 2 can provide the adsorption affinity respectively and absorb, also can adsorb together according to actual demand, but the gas circuit between each other is all independent, has guaranteed the safety and stability of waiting to absorb article, and outer suction apparatus 2 bottom surface is equipped with first absorption subassembly and can laminates mutually with waiting to absorb article terminal surface, has guaranteed the accuracy of terminal surface location, still is equipped with synchronous protection mechanism 4 in addition, provides comprehensive secondary protection for waiting to absorb article.

It should be noted that the working process of the technical scheme is that the driving apparatus drives the external suction tool 2 to move to the annular step of the operation panel 22 of the external suction tool 2 to be closely attached to the reference end face of the article to be sucked, and the first suction assembly starts to work, so that the external suction tool 2 generates vacuum suction force on the reference end face of the article to be sucked; the adjusting locking component 3 is loosened, the inner suction tool 1 is driven to approach the inner cambered surface of the article to be sucked until the second adsorption component is tightly attached to the inner cambered surface of the article to be sucked, and the second adsorption component starts to work, so that the inner suction tool 1 generates vacuum adsorption force on the inner cambered surface of the article to be sucked; after the vacuum degree of the second adsorption assembly reaches a preset value, adjusting the locking assembly 3 to lift the inner suction tool 1 towards the direction far away from the outer suction tool 2, and adjusting the adsorption assembly to lock the relative position between the inner suction tool 1 and the outer suction tool 2 until the lifting force reaches the preset value; when the locking assembly 3 is adjusted to lift the inner suction tool 1 in the direction far away from the outer suction tool 2, the synchronous protection structure moves centripetally, and the action end extends to the bottom of the article to be sucked, so that the article to be sucked is protected.

Further, inhale utensil 2 still includes basic panel 21 at operation panel 22 top outward, first absorption subassembly includes that operation panel 22 top surface is close to the annular that the edge set up, the annular constitutes annular air cavity with basic panel 21's bottom surface, the position that operation panel 22 bottom surface corresponds the air cavity is equipped with the annular and inhales the groove, it is binding off the form to inhale the groove, air cavity bottom surface and inhale and be equipped with a plurality of air vents between the groove top surface, inhale the groove top surface, be equipped with the caulking groove between the adjacent air vent, be equipped with fillet 24 in each caulking groove, the inboard and the outside difference adaptation of the disconnected caulking ring of point that fillet 24 constitutes are equipped with sealing washer 23. As shown in fig. 4 and 5, it can be understood that the insertion strip 24 is not a whole circle, but is disconnected at a position corresponding to each vent hole, so that the gas in the annular air chamber can smoothly enter the annular suction groove, two sealing rings 23 are arranged in the annular suction groove, and are respectively positioned on the inner side wall and the outer side wall of the insertion strip 24, the insertion groove is in a closing shape, such as a dovetail groove, so as to limit the sealing rings, and prevent the sealing rings 23 from coming out of the annular suction groove, and the insertion strip 24 arranged between the two sealing rings 23 can make the sealing rings 23 tightly attached to the inner wall of the annular suction groove, and an annular cavity channel is formed between the two annular suction grooves, so as to ensure that the external suction tool 2 can firmly adsorb the article to be sucked.

Further, the top surface of the air cavity is provided with at least one air inlet pipe penetrating out of the top surface of the base panel 21, and the penetrating end of the air inlet pipe is provided with a first air path joint communicated with a vacuum generating apparatus. It can be understood that the annular air cavity provides negative pressure for each vent hole, and the top of annular air cavity sets up at least one intake pipe then can form the negative pressure in the annular air cavity, also can set up a plurality of intake pipes and circumference equipartition in practical application, improves the speed that outer suction tool 2 reaches predetermined vacuum.

Further, interior suction tool 1 includes the screw rod 13 of ventilating with adjustment lock position subassembly 3 interact, and the second adsorbs the subassembly including being located the sucking disc seat 14 of ventilating screw rod 13 lower extreme, and sucking disc seat 14 bottom surface circumference equipartition is at least three expands formula sucking disc 11 outward, and each expands formula sucking disc 11 outward through sucking disc seat 14 inside passageway and the screw rod 13 intercommunication of ventilating. Furthermore, a check valve 12 is arranged between the ventilating end of each outward expansion type sucking disc 11 and the sucking disc seat 14. As shown in the attached figures 3 and 6 in the specification, it can be understood that the ventilating screw 13 is hollow so as to form a channel for providing negative pressure for the outward-expanding type sucking discs 11 on the sucking disc seat 14, and three outward-expanding type sucking discs 11 are uniformly distributed on the circumference of the sucking disc seat 14 and can be fit and attached to the inner cambered surface of an article to be sucked. The one-way valve 12 is arranged at the ventilation end of the outward expansion type sucker 11, so that the suction device can be suitable for occasions with incomplete inner arc surfaces, and even if a certain outward expansion type sucker 11 cannot be attached to the surface of an article to be sucked, the negative pressure suction action of the whole inner suction tool 1 can still be normally carried out. In addition, when a certain one of the three outward-expanding suckers 11 breaks down, the pressure is not released, the normal operation is ensured, and the fault tolerance rate is improved.

Furthermore, the adjusting locking assembly 3 comprises a driving mechanism and a locking mechanism, wherein the driving mechanism comprises a supporting frame 31 fixedly connected with the top surface of the external suction tool 2; the supporting frame 31 comprises a bearing seat 34 close to the top surface of the external sucker 2 and a lifting cylinder seat 314 positioned at one end of the bearing seat 34 far away from the external sucker 2; the bearing seat 34 is a circular column with openings at both ends, the inner diameter of the middle part of the bearing seat 34 is smaller than the inner diameters of the two openings, the lifting cylinder seat 314 is a cylinder with an opening at the lower end, and the inner diameter of the opening is matched with the inner diameter of the upper end of the bearing seat 34. As shown in fig. 1 and 2, it can be understood that the inner diameter of the bearing is the smallest at the middle-lower part of the supporting frame 31, so that the bearing is divided into at least two parts, namely, a lower bearing seat 34 and a lifting cylinder seat 314 above the bearing seat 34, and during the actual machining process, for the convenience of machining or the reduction of the difficulty of machining,

furthermore, the upper end face of the pulling cylinder seat 314 is fixedly connected with a pulling cylinder 316, the output end of the pulling cylinder 316 is coaxial with the ventilation screw 13, the output end of the pulling cylinder 316 and the ventilation screw 13 are respectively connected with two ends of the tension sensor 315, the lower portion of the inner side wall of the supporting frame 31 is provided with an anti-rotation cover 32, the inner side wall of the anti-rotation cover 32 is provided with a special-shaped key 33, and the ventilation screw 13 is provided with an axially extending adaptive key groove corresponding to the special-shaped key 33. The output end of the lifting cylinder 316 is provided with a tension sensor 315, one end, far away from the lifting cylinder 316, of the tension sensor 315 is connected with the ventilation screw 13, so that the lifting force is monitored, and after a preset threshold value is reached, the height of the ventilation screw 13 is locked through the locking mechanism. The lower portion of the inner side wall of the supporting frame 31 is provided with the anti-rotation cover 32, and the anti-rotation cover 32 is internally provided with a special-shaped key 33 which plays a role in circumferential limitation on the ventilation screw 13, so that the ventilation screw 13 can only move along the axial direction of the ventilation screw, the special-shaped key 33 is shaped like a fixture block which extends vertically on the opposite side face of the key away from the screw on the basis of a conventional long key, the fixture block is matched with a yielding cavity of the anti-rotation cover 32, the special-shaped key 33 is prevented from moving axially under the driving of the ventilation screw 13, and the anti-rotation cover 32 is fixedly connected with the supporting frame, so that the circumferential limitation on the ventilation screw 13 is realized.

Still further, a rolling bearing 35 is arranged in the middle of the inner side wall of the bearing seat 34 and at a small inner diameter, and an outer pressing sheet 37 of a limiting outer rolling ring and an inner pressing sheet 38 of a limiting inner rolling ring are arranged at the end face of the rolling bearing 35 close to the anti-rotation cover 32. It can be understood that the rolling bearing 35 is arranged at the bearing seat 34, the inner rolling ring of the bearing is matched with the shaft shoulder of the side wall of the rotating wheel 39, the outer rolling ring of the bearing is matched with the bearing seat 34, and the inner rolling ring and the outer rolling ring are respectively provided with the inner pressing sheet 38 and the outer pressing sheet 37 which limit axial movement, so that the rotating wheel 39 is ensured to rotate smoothly.

Further, the locking mechanism comprises a rotating wheel 39 which is sleeved at the position where the ventilation screw 13 is provided with threads, a guide pin 310 which is matched with the threads of the ventilation screw 13 is arranged on the inner side wall of the rotating wheel 39, a chuck 36 is sleeved on the outer side wall of the rotating wheel 39, a locking block 311 is arranged on the side of the chuck 36, and the locking block 311 can be controlled to be close to or far away from the chuck 36 along the radial direction of the chuck 36. Furthermore, one end of the locking block 311, which is away from the chuck 36, is provided with a locking cylinder 312 and is fixedly connected with the output end of the locking cylinder 312, and the cylinder body of the locking cylinder 312 is fixedly connected with the top surface of the external suction tool 2 through a locking cylinder seat 313. As shown in fig. 2 in the specification, it can be understood that when the rotating wheel 39 moves up and down on the vent screw 13, it will rotate clockwise or counterclockwise due to the thread engagement transmission, and when the rotating wheel 39 is restricted from rotating, the vent screw 13 can not move up and down any more, thereby achieving the locking. In this embodiment, the chuck 36 is sleeved outside the rotating wheel 39, the locking block 311 is disposed on the side of the chuck 36, two opposite end surfaces of the chuck 36 are obliquely disposed to form wedge surfaces, the locking block 311 is also provided with wedge surfaces adapted to the chuck 36, and when the locking block 311 is driven by the locking cylinder 312 to approach the chuck 36, the two wedge surfaces gradually approach to be locked, so as to achieve locking.

Further, the periphery of outer suction tool 2 is equipped with synchronous protection mechanism 4, and synchronous protection mechanism 4 includes at least three circumference equipartition's protection claw 41, and each protection claw 41 includes vertical section and the inflected section that is located vertical section below, and the inflected section is inwards to suction tool 1 horizontal extension, and each protection claw 41 can be controlled along outer suction tool 2 radial near or keep away from interior suction tool 1. Furthermore, the vertical length of the protection claw 41 is adjustable; or, the vertical section of the protection claw 41 may be replaceable. As described in the specification and shown in fig. 7, it can be understood that three sets of protection claws 41 are uniformly distributed on the circumference and used for extending to the bottom of the article to be sucked, each protection claw 41 comprises a vertical section and an inward-folding section, the length of the vertical section is matched with the height of the article to be sucked, and the inward-folding sections are controlled to move radially, so that the article to be sucked is protected.

Further, the position of the top of the outer suction tool 2 corresponding to the protection claws 41 is provided with a guide rail slider module 42, each guide rail slider module 42 comprises a guide rail extending along the radial direction of the outer suction tool 2, a slider is arranged on the guide rail, the top of the slider is provided with a slider push plate 43, and the centrifugal end of the slider push plate 43 is fixedly connected with each protection claw 41 through a connecting plate in a one-to-one correspondence manner. Furthermore, a guide ring 46 which can be axially close to or far away from the external suction tool 2 is arranged above the external suction tool 2, a push rod 44 is hinged to the bottom surface of the guide ring 46 at a position corresponding to the protection claw 41, the push rod 44 can swing along the radial direction of the guide ring 46, one end of the push rod 44, which is far away from the guide ring 46, is rotatably connected with the slide block push plate 43 through a rotating pin 45, a protection cylinder 48 is arranged on the guide ring 46, the cylinder body of the protection cylinder 48 is fixedly connected with the guide ring 46, and the output end of the protection cylinder 48 is connected with the top surface of the external suction tool 2. It can be understood that, the guide rail slider module 42 is a transmission structure for realizing the approach or the distance of the protection claws 41 to the internal suction tool 1, and in order to make the structure simple and make three sets of protection claws 41 move synchronously, a guide ring 46 is provided, the guide ring 46 away from the top surface of the external suction tool 2 drives the slider to move centripetally through a push rod 44, and the guide ring 46 close to the top surface of the external suction tool 2 drives the slider to move centrifugally through the push rod 44. The action that the guide ring 46 moves away from or approaches the external suction tool 2 is realized through the protection cylinder 48, the cylinder body of the protection cylinder 48 is fixedly connected with the guide ring 46, and the output end is fixedly connected with the top surface of the external suction tool 2, or the cylinder body of the protection cylinder 48 is fixedly connected with the top surface of the external suction tool 2, and the output end is fixedly connected with the guide ring 46, and when the output end acts, the distance between the guide ring 46 and the top surface of the external suction tool 2 can be adjusted.

Further, the frame 5 includes an installation plate 51 located above the adjusting locking assembly 3, at least three upright posts 53 are uniformly distributed on a circumference of one side of the installation plate 51 close to the outer suction tool 2, one end of each upright post 53 far from the installation plate 51 is vertically and fixedly connected with the top surface of the outer suction tool 2, and the middle part of each upright post 53 penetrates through the synchronous protection mechanism 4 and forms sliding connection. Furthermore, both ends of each upright column 53 are provided with column seats 52; and/or, the synchronous protection mechanism 4 is provided with a linear bearing 47 matched with the outer diameter of each upright 53 corresponding to the position of each upright 53. As shown in fig. 1 and 8 of the specification, it can be understood that the mounting plate 51 is fixedly connected to the top surface of the outer sucker 2 through a plurality of columns 53 uniformly distributed on the circumference, and the inner sucker 1, the adjusting locking mechanism and the synchronous protection mechanism 4 are all arranged based on the outer sucker 2, so that when the mounting plate 51 is connected to the action end of the driving device, the position and angle of the whole set of device can be adjusted through the driving device, and in addition, the guide ring 46 in the synchronous protection mechanism 4 is sleeved in the column 53, and by arranging the linear bearing 47 at the position of the guide ring 46 corresponding to the column 53, the friction is reduced, and the stability of the motion of the guide ring 46 is ensured. The pillar seat 52 is provided to make the pillar 53 more firmly connected to the mounting plate 51 or the top of the external suction tool 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate or imply that the claimed components or mechanisms must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only an embodiment of the present invention, and should not be used to limit the protection scope of the present invention, any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (16)

1. The utility model provides a vacuum suction means for end face locate mode intrados object, its characterized in that, includes that accessible frame (5) and drive apparatus dismantlement formula are connected disc outer suction tool (2), outer suction tool (2) are including disc operation panel (22), operation panel (22) bottom surface border position is equipped with the bellied annular step of axial, the bottom surface of annular step can laminate mutually with the terminal surface of waiting to absorb the article, be equipped with first adsorption component in the annular step, outer suction tool (2) axis position is equipped with interior suction tool (1), interior suction tool (1) lower extreme is equipped with second adsorption component, the terminal surface that second adsorption component was kept away from in outer suction tool (2) is equipped with adjustable or the adjustment of locking the distance between first adsorption component and the second adsorption component and is locked subassembly (3).

2. The vacuum suction device for the end face positioning type intrados object according to claim 1, wherein the external suction tool (2) further comprises a base panel (21) at the top of the operation panel (22), the first suction component comprises an annular groove formed at the top of the operation panel (22) near the edge, the annular groove and the bottom of the base panel (21) form an annular air cavity, an annular suction groove is formed at the bottom of the operation panel (22) corresponding to the air cavity, the suction groove is in a closed shape, a plurality of vent holes are formed between the bottom of the air cavity and the top of the suction groove, caulking grooves are formed between the top of the suction groove and adjacent vent holes, a fillet (24) is arranged in each caulking groove, and the inner side and the outer side of a point-broken fillet formed by the fillets (24) are respectively provided with a sealing ring (23).

3. The vacuum suction device for the end-face positioning type intrados object as claimed in claim 2, wherein the top surface of the air cavity is provided with at least one air inlet pipe penetrating out of the top surface of the base panel (21), the penetrating end of the air inlet pipe is provided with a first air path joint, and the first air path joint is communicated with a vacuum generating apparatus.

4. A vacuum suction device for end-positioning intrados objects according to any one of claims 1 to 3, characterized in that said internal suction tool (1) comprises an air-venting screw (13) interacting with said adjusting locking assembly (3), said second suction assembly comprises a suction cup seat (14) located at the lower end of said air-venting screw (13), at least three externally-expanding suction cups (11) are evenly distributed on the circumference of the bottom surface of said suction cup seat (14), each of said externally-expanding suction cups (11) is communicated with said air-venting screw (13) through a passage inside said suction cup seat (14).

5. A vacuum suction device for end-positioned intrados objects according to claim 4, characterized in that a one-way valve (12) is provided between the venting end of each of said flared suction cups (11) and the cup holder (14).

6. The vacuum suction device for the end-face positioning type intrados object is characterized in that the adjusting and locking assembly (3) comprises a driving mechanism and a locking mechanism, wherein the driving mechanism comprises a supporting frame (31) fixedly connected with the top surface of the external suction tool (2);

the supporting frame (31) comprises a bearing seat (34) close to the top surface of the external suction tool (2) and a lifting cylinder seat (314) positioned at one end of the bearing seat (34) far away from the external suction tool (2);

the bearing seat (34) is in an annular column shape with openings at two ends, the inner diameter of the middle part of the bearing seat (34) is smaller than that of the two opening ends, the lifting cylinder seat (314) is in a cylinder shape with an opening at the lower end, and the inner diameter of the opening is matched with the inner diameter of the upper end of the bearing seat (34).

7. The vacuum suction device for the end-face positioning type intrados object as claimed in claim 6, wherein the upper end face of the lifting cylinder base (314) is fixedly connected with a lifting cylinder (316), the output end of the lifting cylinder (316) is coaxial with the ventilation screw (13), the output end of the lifting cylinder (316) and the ventilation screw (13) are respectively connected with two ends of the tension sensor (315), the lower portion of the inner side wall of the support frame (31) is provided with a rotation-proof cover (32), the inner side wall of the rotation-proof cover (32) is provided with a special-shaped key (33), and the ventilation screw (13) is provided with an axially extending adapting key slot corresponding to the special-shaped key (33).

8. The vacuum suction device for the end face positioning type intrados object is characterized in that a rolling bearing (35) is arranged at a small inner diameter position in the middle of the inner side wall of the bearing seat (34), and an outer pressing sheet (37) of a limiting outer rolling ring and an inner pressing sheet (38) of a limiting inner rolling ring are arranged at the end face position, close to the anti-rotation cover (32), of the rolling bearing (35).

9. The vacuum suction device for the end-face positioning type intrados object is characterized in that the locking mechanism comprises a rotating wheel (39) sleeved at the position where the ventilation screw (13) is provided with a thread, a guide pin (310) matched with the thread of the ventilation screw (13) is arranged on the inner side wall of the rotating wheel (39), a chuck (36) is sleeved on the outer side wall of the rotating wheel (39), a locking block (311) is arranged on the side of the chuck (36), and the locking block (311) can be controlled to be close to or far away from the chuck (36) along the radial direction of the chuck (36).

10. The vacuum suction device for the end-face positioning type intrados object as claimed in claim 9, wherein the end of the locking block (311) far away from the chuck (36) is provided with a locking cylinder (312) and is fixedly connected with the output end of the locking cylinder (312), and the cylinder body of the locking cylinder (312) is fixedly connected with the top surface of the outer suction tool (2) through a locking cylinder seat (313).

11. The vacuum suction device for the end face positioning type intrados object is characterized in that a synchronous protection mechanism (4) is arranged on the periphery of the outer suction tool (2), the synchronous protection mechanism (4) comprises at least three protection claws (41) which are uniformly distributed on the circumference, each protection claw (41) comprises a vertical section and an inwards folded section which is positioned below the vertical section, the inwards folded section horizontally extends towards the inner suction tool (1) inwards, and each protection claw (41) can be controlled to be close to or far away from the inner suction tool (1) along the radial direction of the outer suction tool (2).

12. A vacuum suction device for end-positioned intrados objects according to claim 11, characterized in that the vertical length of the protection claw (41) is adjustable; or the vertical section of the protection claw (41) is replaceable.

13. The vacuum suction device for the end-face positioning type intrados object as claimed in claim 11, wherein a guide rail slider module (42) is disposed at a position corresponding to the protection claw (41) on the top of the external suction tool (2), each guide rail slider module (42) comprises a guide rail extending along the radial direction of the external suction tool (2), a slider is disposed on the guide rail, a slider push plate (43) is disposed on the top of the slider, and the centrifugal end of the slider push plate (43) is fixedly connected with each protection claw (41) through a connecting plate in a one-to-one correspondence manner.

14. The vacuum suction device for the end-face positioning type intrados object is characterized in that a guide ring (46) which can be axially close to or far away from the outer suction tool (2) is arranged above the outer suction tool (2), a push rod (44) is hinged to the position, corresponding to the protection claw (41), of the bottom surface of the guide ring (46), the push rod (44) can swing along the radial direction of the guide ring (46), one end, far away from the guide ring (46), of the push rod (44) is rotatably connected with a slide block push plate (43) through a rotating pin (45), a protection cylinder (48) is arranged on the guide ring (46), a cylinder body of the protection cylinder (48) is fixedly connected with the guide ring (46), and the output end of the protection cylinder (48) is connected with the top surface of the outer suction tool (2).

15. The vacuum suction device for the end face positioning type intrados object is characterized in that the rack (5) comprises a mounting plate (51) positioned above the adjusting locking component (3), at least three upright posts (53) are uniformly distributed on the circumference of one face, close to the outer suction tool (2), of the mounting plate (51), one end, far away from the mounting plate (51), of each upright post (53) is vertically fixedly connected with the top face of the outer suction tool (2), and the middle of each upright post (53) penetrates through the synchronous protection mechanism (4) and forms sliding connection.

16. The vacuum suction device for the end-face positioning type intrados object as claimed in claim 15, wherein both ends of each of said columns (53) are provided with column seats (52); and/or linear bearings (47) matched with the outer diameters of the stand columns (53) are arranged at the positions, corresponding to the stand columns (53), of the synchronous protection mechanism (4).

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