CN111113257B

CN111113257B - Rotary mechanical arm with clamping and locking capacity for machining plastic shell

Info

Publication number: CN111113257B
Application number: CN201911252193.9A
Authority: CN
Inventors: 段平泉; 邓美姣
Original assignee: Shenzhen Jia Xin Yi Fan Rubber & Plastic Co ltd
Current assignee: Wuhan Jiaxin Yifan Technology Co.,Ltd.
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2021-02-09
Anticipated expiration: 2039-12-09
Also published as: CN111113257A

Abstract

The invention discloses a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell, and relates to the technical field of rotary mechanical arms, in particular to a rotating mechanism, a telescopic arm, a middle connecting arm, a rotary arm and a clamping mechanism. This plastics shell processing is with rotatory arm that has centre gripping locking ability utilizes the sufficient principle of class octopus to adopt the atmospheric pressure principle, press from both sides the plastics shell firmly and inhale fixedly, so just can effectively avoid the shell to be pressed from both sides the problem of hindering to the damage, and locking ability is strong, has also saved the centre gripping step to the shell, makes the shell press from both sides the process of putting simpler, easily control.

Description

Rotary mechanical arm with clamping and locking capacity for machining plastic shell

Technical Field

The invention relates to the technical field of rotary mechanical arms, in particular to a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, is assembled in industry and widely applied due to unique operation flexibility, greatly saves manpower due to the appearance of the mechanical arm, brings great production benefit for enterprises, can receive program programming control, has certain automation capacity, and is generally equipped with the mechanical arm and the mechanical arm on more advanced automation equipment.

In the production and processing of the plastic shell, the shell is required to be molded and processed, and the molded shell is required to be polished, painted, carved, perforated and the like, so that the plastic shell is required to be carried and transferred for multiple times, and the mechanical arm can be used.

When the existing mechanical arm clamps a large plastic shell, the problem of infirm clamping often occurs due to the fact that the outer wall surface of the plastic shell is not regular enough, the plastic shell is soft in texture, the shape and the outer wall surface of the shell are extremely easy to damage by adopting a traditional pressing and clamping mode, and a traditional pressing and clamping mechanism needs multistep steps no matter clamping or releasing, so that the use is not convenient enough.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell, which solves the problems in the prior art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell comprises a rotating mechanism, a telescopic arm, a middle connecting arm, a rotary arm and a clamping mechanism, wherein one side of the rotating mechanism is connected with the telescopic arm, the middle connecting arm is connected below the telescopic arm, the upper end part of the middle connecting arm is provided with a connecting groove, the bottom end of the telescopic arm is inserted and matched in the connecting groove, the connecting end of the middle connecting arm and the telescopic arm is connected with a screw rod, a traction spring is connected between the middle connecting arm and the telescopic arm in a traction manner, the rotary arm is installed below the middle connecting arm, the bottom end of the rotary arm is provided with a clamping groove, the clamping mechanism is connected below the rotary arm and comprises a first substrate, a second substrate, a mounting plate, an air tank, a sealed telescopic air rod, a locking combined rod and a clamping device, the first substrate is installed above the second substrate, and the mounting plate is vertically fixed in the middle of the upper surface of the first substrate, the mounting panel cooperation is inserted in the draw-in groove, and has concatenated the tandem bolt between the bottom of mounting panel and swinging boom, the four sides of first base plate and second base plate are all hung and are held the device of holding, and hold the device of holding including fixed hanger plate, pivot, driver and octopus board, the below of fixed hanger plate is connected with the octopus board, and the upper end level of octopus board runs through there is the pivot of driving, the axle head of pivot of driving is connected with the driver, and constitutes revolution mechanic through the pivot of driving between fixed hanger plate and the octopus board, the lateral wall intercommunication of octopus board has the exhaust tube, and the inside of octopus board is hollow structure, one side face of octopus board evenly is provided with the sucking disc, and the sucking disc all is linked together with the inner chamber of octopus board.

Optionally, slewing mechanism includes the bracing piece, compresses tightly the dish, driven gear, driving gear, connecting rod, slide bar, connecting plate and wears the pole, driven gear's wheel core both ends all cooperate and compress tightly the dish, and compress tightly the outer dish face center of dish and all weld the bracing piece, driven gear's outer lane meshing has the driving gear, and the axle center of driving gear runs through there is the gear shaft, driven gear's outer wall welding has the connecting rod, and the end fixing of connecting rod has the slide bar, the spout has been seted up to the centre of slide bar, and one side of slide bar installs the connecting plate, one side perpendicular to surface welding that the connecting plate is close to the slide bar has the pole of wearing, and wears the pole and all passes the spout, the equal threaded connection of.

Optionally, the penetrating rods are arranged at equal intervals along the plate edge direction of the connecting plate, and the connecting plate and the sliding rod form a sliding structure through the matching between the penetrating rods and the sliding grooves.

Optionally, flexible arm includes telescopic boom, slip arm, fixing bolt, pneumatic cylinder case seat and hydraulic stem, the telescopic boom is established respectively at the both ends of slip arm, and all is connected with fixing bolt between telescopic boom and the slip arm, the square groove has all been seted up to the surperficial left and right sides of telescopic boom and the surperficial left and right sides of slip arm, and the cooperation of size homogeneous phase between square groove and the screw rod, the upper end welding of flexible arm has the pneumatic cylinder case seat, and the lower part port of pneumatic cylinder case seat installs the hydraulic stem, the hydraulic stem is settled respectively in the square groove, and the telescopic boom of the lower extreme and the below of hydraulic stem is connected.

Optionally, the outer wall of the lower part of the middle connecting arm is uniformly provided with heat dissipation grooves, and the bottom end of the middle connecting arm is provided with a motor.

Optionally, a matching disc is installed in the middle of the upper end face of the rotating arm in a matched mode, a rotating shaft penetrates through the middle of the matching disc in a movable mode, a spring sleeve is sleeved outside the rotating shaft, the bottom end of the spring sleeve is welded to the upper surface of the matching disc, the upper end of the rotating shaft is connected with the shaft end of the motor, the bottom end of the rotating shaft is welded to the rotating arm, supporting ribs are vertically fixed to four sides of the matching disc, and the supporting ribs are welded to the bottom face of the middle connecting arm.

Optionally, the four sides of the upper surface of the first substrate and the four sides of the lower surface of the second substrate are respectively fixed with an air box, and a sealed telescopic air rod is connected between the upper air box and the lower air box.

Optionally, the upper surface of the air box is connected with an air suction pipe, and the air suction pipe, the air box and the sealed telescopic air rod form a communicating structure.

Optionally, a locking combination rod is connected between the first substrate and the second substrate, and the locking combination rod is respectively arranged at four corners of the first substrate and the second substrate.

Optionally, the locking combination rod comprises a sleeve, a movable rod and a connecting spring, the sleeve is respectively sleeved at two ends of the movable rod, the rubber cylinders are bonded inside the sleeve, the connecting spring is connected between the sleeves, and the connecting spring is sleeved outside the movable rod.

The invention provides a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell, which has the following beneficial effects:

1. this plastics shell processing is with rotatory arm that has centre gripping locking ability, come the centre gripping shell through grabbing the device, with the help of the rotation control of driver to driving the pivot, can carry out the angle rotation between fixed hanger plate and the octopus board, with the shell of matcing various shapes, very convenient and fast, and the automation level is high, the octopus board adopts imitative biotechnology, utilize the sufficient principle of class octopus, and adopt the atmospheric pressure principle, press from both sides the plastics shell firmly and inhale fixedly, so just can effectively avoid the shell to be pressed from both sides the problem of hindering to the damage, and locking ability is strong, the centre gripping step to the shell has also been saved, make the shell press from both sides the process of putting simpler, and easy control.

2. This plastic casing processing is with rotatory arm that has centre gripping locking ability, can rotate the angle of whole arm through slewing mechanism and adjust, the driving gear drives driven gear and rotates together, the connecting rod takes the slide bar rotation angle together immediately, so alright the angle of whole arm of corresponding regulation, so in order to enlarge the rotation range of whole arm, the poling is used for connecting slide bar and connecting plate, and can make the connecting plate carry out the position along the spout and remove, and then can the corresponding position of adjusting the relative slide bar of whole arm, a plurality of poling make stable in structure between connecting plate and the slide bar, and the atress is also comparatively even.

3. This plastic casing processing is with rotatory arm that has centre gripping locking ability, realize the flexible purpose of this arm length through flexible arm, at the flexible in-process of flexible arm, the screw rod will be in the rectangular groove on the lagging, and the rectangular groove on the sliding arm in corresponding slip, in order to comply with the flexible change of flexible arm, the pneumatic cylinder in the pneumatic cylinder case seat in flexible arm top, it is flexible through hydraulic principle control hydraulic stem, the flexible back of hydraulic stem, can take the lagging upward movement of below, thereby realize automatic flexible control to flexible arm.

4. This plastics shell processing is with rotatory arm that has centre gripping locking ability, extrusion force between the axle head of counter shaft and motor is cushioned through the spring housing, support the atress that the muscle is used for the dispersion pivot, play the guard action to the counter shaft, the pivot is joined in marriage relatively that the dish has the ability of independent pivoted, so drive the pivot rotatory back when the motor, join in the dish motionless, it is rotatory that the pivot then can take the swinging boom, so alright realize the rotation function of swinging boom, so behind this arm centre gripping shell, the swinging boom can independently rotate, make the shell driven rotate certain angle.

5. This plastics shell processing is with rotatory arm that has centre gripping locking ability, through filling compressed gas in the gas tank, make compressed gas enter into sealed flexible gas pole to under the effect of atmospheric pressure, make sealed flexible gas pole extension, so alright adjust the distance between first base plate and the second base plate, and the corresponding regulation is held the length that the device exposes the second base plate below, thereby can comply with different shells and snatch the demand, with the better centre gripping of shell.

6. This plastics shell processing is with rotatory arm that has centre gripping locking ability cooperatees through sleeve, movable rod and connecting spring and constitutes a telescopic structure, locking combination pole promptly, and the rubber tube is used for increasing the frictional force between sleeve and the movable rod for when can stretching out and drawing back between the two, structural certain intensity still has, and connects closely reliably.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a telescopic arm according to the present invention;

FIG. 3 is a schematic view of a connection structure of a hydraulic cylinder housing and a hydraulic rod according to the present invention;

FIG. 4 is a schematic view of an assembly structure of the telescopic boom, the middle link boom and the rotating arm according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 6 is a schematic view of a clamping mechanism according to the present invention;

FIG. 7 is a schematic view of a grasping apparatus according to the present invention;

fig. 8 is a schematic structural view of the locking combination lever of the present invention.

In the figure: 1. a rotating mechanism; 2. a support bar; 3. a compression disc; 4. a driven gear; 5. a driving gear; 6. a gear shaft; 7. a connecting rod; 8. a slide bar; 801. a chute; 9. a connecting plate; 10. penetrating a rod; 1001. a screw cap; 11. a telescopic arm; 12. a sleeve arm; 13. a slide arm; 14. a rectangular groove; 15. fixing the bolt; 16. a hydraulic cylinder box base; 17. a hydraulic lever; 18. a middle connecting arm; 1801. connecting grooves; 1802. a screw; 1803. a heat sink; 19. a motor; 20. a tension spring; 21. a rotating arm; 2101. a card slot; 22. loading into a disc; 23. a rotating shaft; 2301. a spring housing; 24. a support rib; 25. a clamping mechanism; 26. a first substrate; 27. a second substrate; 28. mounting a plate; 29. a tandem bolt; 30. a gas tank; 3001. an air intake duct; 31. sealing the telescopic air rod; 32. locking the combined rod; 33. a sleeve; 3301. a rubber cylinder; 34. a movable rod; 35. a connecting spring; 36. a gripping device; 37. fixing the hanging plate; 38. a driving shaft; 39. a driver; 40. a octopus board; 41. an air exhaust pipe; 42. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides a technical solution: a rotary mechanical arm with clamping and locking capabilities for processing a plastic shell comprises a rotating mechanism 1, a telescopic arm 11, a middle connecting arm 18, a rotating arm 21 and a clamping mechanism 25, wherein one side of the rotating mechanism 1 is connected with the telescopic arm 11, the middle connecting arm 18 is connected below the telescopic arm 11, the upper end part of the middle connecting arm 18 is provided with a connecting groove 1801, the bottom end of the telescopic arm 11 is inserted and matched in the connecting groove 1801, the connecting end of the middle connecting arm 18 and the telescopic arm 11 is connected with a screw 1802, a traction spring 20 is connected between the middle connecting arm 18 and the telescopic arm 11 in a traction manner, the rotating arm 21 is installed below the middle connecting arm 18, the bottom end of the rotating arm 21 is provided with a clamping groove 2101, the clamping mechanism 25 is connected below the rotating arm 21, and the clamping mechanism 25 comprises a first substrate 26, a second substrate 27, a mounting plate 28, an air box 30, a sealed telescopic air rod 31, a locking combined rod 32 and a clamping, the first substrate 26 is arranged above the second substrate 27, an installation plate 28 is vertically fixed in the middle of the upper surface of the first substrate 26, the installation plate 28 is inserted into the clamping groove 2101 in a matching manner, and a series bolt 29 is connected in series between the installation plate 28 and the bottom end of the rotating arm 21;

the four sides of the first substrate 26 and the second substrate 27 are respectively hung with a holding device 36, the holding device 36 comprises a fixed hanging plate 37, a driving shaft 38, a driver 39 and an octopus plate 40, the octopus plate 40 is connected below the fixed hanging plate 37, the driving shaft 38 horizontally penetrates through the upper end of the octopus plate 40, the shaft end of the driving shaft 38 is connected with the driver 39, the fixed hanging plate 37 and the octopus plate 40 form a rotating structure through the driving shaft 38, the side wall of the octopus plate 40 is communicated with an air suction pipe 41, the interior of the octopus plate 40 is of a hollow structure, one side plate surface of the octopus plate 40 is uniformly provided with suction cups 42, and the suction cups 42 are communicated with the inner cavity of the octopus plate 40;

the gripping device 36 is used to grip the housing, allowing rotation between the fixed hanger plate 37 and the octopus plate 40, thereby being capable of better fitting each octopus board 40 to the outer wall surface of the shell, providing better clamping effect to the outer wall of the shell with different shapes, realizing the angle rotation between the fixed hanging board 37 and the octopus board 40 through the rotation control of the driver 39 to the driving shaft 38, being very convenient and fast, having high automation level, clamping and fixing the plastic shell by the octopus board 40 by adopting the biotechnology and utilizing the principle of octopus-like feet, namely, the air in the octopus board 40 is pumped out through the air pumping pipe 41, so that the air pressure in the octopus board 40 is reduced, the air pressure at the position of each sucking disc 42 is reduced, and under the action of the air pressure, the shell can be tightly pressed below each octopus board 40, so that the problem that the shell is damaged by being clamped can be effectively avoided;

the rotating mechanism 1 comprises a supporting rod 2, a pressing disc 3, a driven gear 4, a driving gear 5, a connecting rod 7, a sliding rod 8, a connecting plate 9 and a through rod 10, the pressing disc 3 is matched at both ends of the wheel core of the driven gear 4, and the centers of the outer disk surfaces of the pressing disks 3 are all welded with supporting rods 2, the outer ring of the driven gear 4 is engaged with a driving gear 5, a gear shaft 6 penetrates through the axis of the driving gear 5, a connecting rod 7 is welded on the outer wall of the driven gear 4, a sliding rod 8 is fixed at the end part of the connecting rod 7, a sliding groove 801 is arranged in the middle of the sliding rod 8, a connecting plate 9 is arranged at one side of the sliding rod 8, a penetrating rod 10 is vertically welded on the surface of one side of the connecting plate 9 close to the sliding rod 8, the penetrating rods 10 penetrate through the sliding grooves 801, the end parts of the penetrating rods 10 are spirally connected with threaded caps 1001, the penetrating rods 10 are arranged at equal intervals along the plate edge direction of the connecting plate 9, the connecting plate 9 and the sliding rod 8 form a sliding structure through the matching between the penetrating rod 10 and the sliding groove 801;

the driving gear 5 is driven by the shaft end of the gear shaft 6 to rotate, so that the driven gear 4 can be driven to rotate together, after the driven gear 4 rotates, the connecting rod 7 drives the sliding rod 8 to rotate together, so that the angle of the whole mechanical arm can be correspondingly adjusted, the rotating range of the whole mechanical arm is conveniently expanded, the penetrating rods 10 are used for connecting the sliding rod 8 with the connecting plate 9, the connecting plate 9 can move along the sliding groove 801, the position of the whole mechanical arm relative to the sliding rod 8 can be correspondingly adjusted, and the plurality of penetrating rods 10 enable the connecting plate 9 and the sliding rod 8 to be stable in structure and uniform in stress;

the telescopic arm 11 comprises a sleeve arm 12, a sliding arm 13, a fixing bolt 15, a hydraulic cylinder box base 16 and hydraulic rods 17, wherein the sleeve arm 12 is respectively sleeved at two ends of the sliding arm 13, the fixing bolt 15 is connected between the sleeve arm 12 and the sliding arm 13, rectangular grooves 14 are respectively formed in the left side and the right side of the surface of the sleeve arm 12 and the left side and the right side of the surface of the sliding arm 13, the rectangular grooves 14 are matched with a screw 1802 in size, the hydraulic cylinder box base 16 is welded at the upper end of the telescopic arm 11, the hydraulic rods 17 are installed at the lower end ports of the hydraulic cylinder box base 16, the hydraulic rods 17 are respectively arranged in the rectangular grooves 14, and the lower ends of the hydraulic rods 17 are connected with the sleeve arm 12;

the telescopic arm 11 can be extended and retracted by virtue of a telescopic structure consisting of two sleeve arms 12 and a sliding arm 13, in the process of extension and retraction, if the length of the telescopic arm 11 needs to be fixed, a fixing bolt 15 can be screwed, in the process of extension and retraction of the telescopic arm 11, a screw 1802 can correspondingly slide in a rectangular groove 14 on the sleeve arm 12 and a rectangular groove 14 on the sliding arm 13 so as to conform to the extension and retraction change of the telescopic arm 11, a hydraulic cylinder is arranged in a hydraulic cylinder box base 16 at the top end of the telescopic arm 11 and is connected with a hydraulic rod 17 and controls the extension and retraction of the hydraulic rod 17 by virtue of a hydraulic principle, and after the hydraulic rod 17 is extended and retracted, the sleeve arm 12 below can be driven to move upwards, so that the telescopic arm 11 can be automatically controlled to extend and retract;

the outer wall of the lower part of the middle connecting arm 18 is uniformly provided with heat dissipation grooves 1803, the bottom end of the middle connecting arm 18 is provided with a motor 19, the heat dissipation grooves 1803 are used for dissipating heat generated by the motor 19 during operation, the middle of the upper end surface of the rotating arm 21 is provided with an insertion disc 22 in a matched mode, a rotating shaft 23 penetrates through the middle of the insertion disc 22 in a movable mode, a spring sleeve 2301 is sleeved outside the rotating shaft 23, the bottom end of the spring sleeve 2301 is welded to the upper surface of the insertion disc 22, the upper end of the rotating shaft 23 is connected with the shaft end of the motor 19, the bottom end of the rotating shaft 23 is welded to the rotating arm 21, supporting ribs 24 are vertically fixed to four sides of the insertion disc 22, and the supporting ribs 24 are welded to the bottom surface of the middle connecting arm;

when the shaft 23 is connected with the shaft end of the motor 19, certain extrusion can occur between the shaft 23 and the shaft end, the spring sleeve 2301 can buffer the pressure, the supporting ribs 24 are used for dispersing the stress of the shaft 23 and protecting the shaft 23, the shaft 23 has the capability of independently rotating relative to the matching disc 22, so that after the motor 19 drives the shaft 23 to rotate, the matching disc 22 is fixed, the shaft 23 can drive the rotating arm 21 to rotate, the rotating function of the rotating arm 21 can be realized, and after the shell is clamped by the mechanical arm, the rotating arm 21 can independently rotate, so that the shell is driven to rotate for a certain angle;

the four sides of the upper surface of the first substrate 26 and the four sides of the lower surface of the second substrate 27 are respectively fixed with an air box 30, a sealed telescopic air rod 31 is connected between the upper air box 30 and the lower air box 30, the upper surface of the air box 30 is connected with an air suction pipe 3001, the air box 30 and the sealed telescopic air rod 31 form a communicating structure, after compressed air is filled in the air box 30, the air can be filled into the sealed telescopic air rod 31, so that the sealed telescopic air rod 31 extends under the action of air pressure, the distance between the first substrate 26 and the second substrate 27 can be adjusted, the length of the grasping device 36 exposed below the second substrate 27 is correspondingly adjusted, different shell grasping requirements can be met, and the shell can be better grasped;

be connected with locking combination pole 32 between first base plate 26 and the second base plate 27, and locking combination pole 32 sets up the four corners position at first base plate 26 and second base plate 27 respectively, locking combination pole 32 comprises sleeve 33, movable rod 34 and connecting spring 35, sleeve 33 cup joints the both ends at movable rod 34 respectively, and the inside of sleeve 33 all bonds and has a rubber tube 3301, be connected with connecting spring 35 between the sleeve 33, and connecting spring 35 cover is established in the outside of movable rod 34, sleeve 33 cooperatees with movable rod 34 and constitutes a telescopic structure, in this structure again because added connecting spring 35 and have flexible elasticity, rubber tube 3301 is used for increasing the frictional force between sleeve 33 and the movable rod 34, make between the two when can stretch out and draw back, structural certain intensity still has, and connect closely reliably.

In conclusion, the plastic shell processing uses the rotary mechanical arm with clamping and locking capabilities, when in use, the gear shaft 6 is firstly assembled on the transmission structure of the equipment, the driving gear 5 is rotated to drive the driven gear 4 to rotate, the slide bar 8 on the driven gear 4 rotates at an angle, in the process, since the telescopic arm 11 is connected to the connecting plate 9, and the connecting plate 9 is slidably fitted in the slide bar 8 through the penetration rod 10, after the slide bar 8 is rotated by an angle, the telescopic arm 11 can also rotate correspondingly, the rotation angle of the telescopic arm 11 represents that the whole mechanical arm can rotate angularly, the distance between the mechanical arm and the installation position of the equipment can be adjusted after the working angle of the mechanical arm is adjusted to be proper, namely, the penetrating rod 10 is slid along the sliding groove 801, so that the connecting plate 9 can be moved on the sliding rod 8, and the whole mechanical arm is moved along the sliding rod 8;

the length of the mechanical arm, i.e. the length of the telescopic arm 11, is adjusted as follows: starting a hydraulic cylinder in a hydraulic cylinder box base 16, controlling the hydraulic rod 17 to stretch by a hydraulic principle, wherein the hydraulic rod 17 can pull the two sleeve arms 12 close to each other or push the two sleeve arms 12 open in opposite directions, so that automatic stretching control of the telescopic arm 11 is realized, and a fixing bolt 15 on the telescopic arm 11 can be locked in order to fix the length of the telescopic arm 11;

through the above adjustment, the mechanical arm is moved to the upper part of the housing, and the clamping mechanism 25 below the mechanical arm is in contact with the outer wall of the housing, specifically, the octopus board 40 on the clamping device 36 is in contact with the outer wall of the housing, when the housing is to be clamped, firstly, the air is inflated and deflated from the air box 30 through the air suction pipe 3001, if the air is inflated into the air box 30, the air will be inflated into the sealed telescopic air rod 31, so that the sealed telescopic air rod 31 is extended under the action of air pressure, at this time, the length of the clamping device 36 exposed below the second substrate 27 is shortened, that is, the housing is closer to the second substrate 27, this state is used for clamping and fixing the housing with larger size or more regular shape, on the contrary, if the sealed telescopic air rod 31 is shortened, the housing is farther from the second substrate 27, so as to clamp and fix the housing with irregular shape and smaller size, and the longer the clamping arm is, the more selectable surfaces can be processed by the shell;

start driver 39, make drive axle 38 rotatory, thereby can drive octopus board 40 turned angle, make octopus board 40 laminate the outer wall at the shell better, air through exhaust tube 41 in with octopus board 40 is taken away, make octopus board 40 internal gas pressure decline, thereby make the atmospheric pressure of each sucking disc 42 position department all descend, under the atmospheric pressure effect, can compress tightly the shell in the below of each octopus board 40, adopt the fixed shell of atmospheric pressure principle, locking capacity is strong, and can not lead to the fact the damage to the shell, the centre gripping step to the shell has also been saved simultaneously, make the shell press from both sides the process of putting simpler, and easy to control.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a plastics shell processing is with rotatory arm that has centre gripping locking ability, includes slewing mechanism (1), flexible arm (11), well even arm (18), swinging boom (21) and fixture (25), its characterized in that: one side of the rotating mechanism (1) is connected with a telescopic arm (11), the lower part of the telescopic arm (11) is connected with a middle connecting arm (18), the upper end part of the middle connecting arm (18) is provided with a connecting groove (1801), the bottom end of the telescopic arm (11) is inserted and matched in the connecting groove (1801), the connecting end of the middle connecting arm (18) and the telescopic arm (11) is connected with a screw rod (1802), a traction spring (20) is connected between the middle connecting arm (18) and the telescopic arm (11), a rotating arm (21) is installed below the middle connecting arm (18), the bottom end of the rotating arm (21) is provided with a clamping groove (2101), the lower part of the rotating arm (21) is connected with a clamping mechanism (25), and the clamping mechanism (25) comprises a first substrate (26), a second substrate (27), an installation plate (28), an air box (30), a sealed telescopic air rod (31), a locking combination rod (32) and a gripping device (36), first base plate (26) are installed in the top of second base plate (27), and the upper surface middle vertical fixation of first base plate (26) has mounting panel (28), mounting panel (28) cooperation is inserted in draw-in groove (2101), and has concatenated between the bottom of mounting panel (28) and swinging boom (21) series bolt (29), the four sides of first base plate (26) and second base plate (27) all hang and have held device (36), and hold device (36) including fixed hanger plate (37), pivot (38), driver (39) and octopus board (40), the below of fixed hanger plate (37) is connected with octopus board (40), and the upper end level of octopus board (40) runs through pivot (38), the axle head of pivot (38) is connected with driver (39), and constitutes revolution mechanic through pivot (38) between fixed hanger plate (37) and octopus board (40), the side wall intercommunication of octopus board (40) has aspiration tube (41), and the inside of octopus board (40) is hollow structure, one side face of octopus board (40) evenly is provided with sucking disc (42), and sucking disc (42) all are linked together with the inner chamber of octopus board (40), slewing mechanism (1) includes bracing piece (2), compresses tightly dish (3), driven gear (4), driving gear (5), connecting rod (7), slide bar (8), connecting plate (9) and wear pole (10), the wheel core both ends of driven gear (4) all cooperate and compress tightly dish (3), and compress tightly the outer dish face center of dish (3) and all weld bracing piece (2), the outer lane meshing of driven gear (4) has driving gear (5), and the axle center of driving gear (5) runs through gear shaft (6), the outer wall welding of driven gear (4) has connecting rod (7), and the end of connecting rod (7) is fixed with slide bar (8), spout (801) have been seted up to the centre of slide bar (8), and one side of slide bar (8) installs connecting plate (9), connecting plate (9) are close to one side surface vertical welding of slide bar (8) and have worn pole (10), and wear pole (10) and all pass spout (801), the equal screwed connection of tip of wearing pole (10) has screw nut cap (1001), wear pole (10) along the flange side equidistance setting of connecting plate (9), and connecting plate (9) through wearing the cooperation between pole (10) and spout (801) and slide bar (8) constitution sliding construction.

2. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 1, wherein: telescopic boom (11) includes telescopic boom (12), sliding arm (13), fixing bolt (15), pneumatic cylinder case seat (16) and hydraulic stem (17), telescopic boom (12) overlaps respectively and establishes the both ends at sliding arm (13), and all is connected with fixing bolt (15) between telescopic boom (12) and sliding arm (13), the square groove (14) have all been seted up to the surface left and right sides of telescopic boom (12) and the surface left and right sides of sliding arm (13), and size homogeneous phase cooperation between square groove (14) and screw rod (1802), the upper end welding of telescopic boom (11) has pneumatic cylinder case seat (16), and the lower part port of pneumatic cylinder case seat (16) installs hydraulic stem (17), hydraulic stem (17) are settled respectively in square groove (14), and the lower extreme of hydraulic stem (17) is connected with telescopic boom (12) of below.

3. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 1, wherein: the heat dissipation groove (1803) is evenly seted up to the below outer wall of well even linking arm (18), and motor (19) are installed to the bottom of well linking arm (18).

4. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 3, wherein: the utility model discloses a support of a motor, including pivot (19), swivel arm (21), spring housing (2301), pivot (23) and support rib (24), the cooperation is installed in the middle of the up end of swivel arm (21), and the middle activity of joining in the dish (22) is run through to have a pivot (23), the outside cover of pivot (23) is equipped with spring housing (2301), and the bottom welding of spring housing (2301) is at the upper surface of joining in the dish (22), the upper end of pivot (23) is connected with the axle head of motor (19), and the bottom of pivot (23) welds with swivel arm (21) mutually, all four sides of joining in dish (22) all are fixed with perpendicularly and support rib (24), and support rib (24) all weld with the.

5. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 1, wherein: the four sides of the upper surface of the first base plate (26) and the four sides of the lower surface of the second base plate (27) are respectively fixed with an air box (30), and a sealing telescopic air rod (31) is connected between the upper air box and the lower air box (30).

6. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 5, wherein: the upper surface of the air box (30) is connected with an air suction pipe (3001), and the air suction pipe (3001), the air box (30) and the sealed telescopic air rod (31) form a communicating structure.

7. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 1, wherein: and a locking combination rod (32) is connected between the first substrate (26) and the second substrate (27), and the locking combination rod (32) is respectively arranged at the four corners of the first substrate (26) and the second substrate (27).

8. The rotary mechanical arm with clamping and locking capabilities for processing the plastic shell as claimed in claim 7, wherein: locking combination pole (32) comprise sleeve (33), movable rod (34) and connecting spring (35), sleeve (33) cup joint respectively at the both ends of movable rod (34), and the inside of sleeve (33) all bonds and have rubber tube (3301), be connected with connecting spring (35) between sleeve (33), and connecting spring (35) cover is established in the outside of movable rod (34).