CN212766940U - Automatic positioning mechanism that snatchs of top angle bead - Google Patents

Abstract

The utility model provides a top corner protector automatic grabbing and positioning mechanism, which comprises a horizontal transmission mechanism, two rotating lifting mechanisms, two elastic adjusting mechanisms and two corner protector clamping mechanisms, wherein the horizontal transmission mechanism is horizontally arranged, the two rotating lifting mechanisms are slidably arranged on the horizontal transmission mechanism and are distributed along the length direction of the horizontal transmission mechanism, the two elastic adjusting mechanisms are correspondingly and fixedly arranged at the moving ends of the rotating lifting mechanisms, and the two corner protector clamping mechanisms are correspondingly and fixedly arranged on the elastic adjusting mechanisms and can be subjected to adaptive swinging fine adjustment; two groups of transmission mechanisms are arranged on a cross beam to be divided into two parallel tracks, and two groups of angle bead clamping and transferring components which are driven by the transmission mechanisms to translate in opposite directions or back are correspondingly arranged, so that the structure is stable, the transferring synchronism between two stations is good, the angle bead mounting can be simultaneously carried out on two sides of the box body, and the packaging efficiency is high; in addition, through setting up the elastic adjustment mechanism, realize semi-flexible connection, make the anchor clamps body can do the swing fine setting according to the skew volume with the contact of paper angle bead, realize the accurate laminating in both sides, adsorb to snatch more stably.

Description

Automatic positioning mechanism that snatchs of top angle bead

Technical Field

The utility model relates to a baling press field, concretely relates to automatic positioning mechanism that snatchs of top angle bead.

Background

At present, with the continuous development of the logistics industry, goods are generally required to be bundled and packaged by a packaging belt before being transported. In general, for some articles which are easy to collide, corner protectors are required to be added at corner positions of the packaging box so as to perform enhanced protection on the corner positions of the packaging box.

The Chinese utility model patent with the application number of CN201922047550.X discloses an automatic corner protector supply device, which comprises a vertical positioning mechanism, a corner protector feeding mechanism and a corner protector placing mechanism; the vertical positioning mechanism comprises a first telescopic module and a positioning platform, and the positioning platform is arranged on a moving part of the first telescopic module; the corner protection feeding mechanism comprises a storage bin, a push rod and a second telescopic module, a front and back through discharge hole is formed in the lower portion of the storage bin, the push rod is inserted into the discharge hole and arranged on a moving portion of the second telescopic module, the storage bin is longitudinally arranged on the positioning platform, and the second telescopic module is transversely arranged on the positioning platform; the corner protector placing mechanism comprises a clamp, a rotating module and a third telescopic module, wherein the clamp is arranged on a rotating part of the rotating module, the rotating module is arranged on a moving part of the third telescopic module, and the third telescopic module is longitudinally arranged on the positioning platform and arranged side by side with the stock bin.

However, in the above technical solution, the angle bead placing mechanism has a simple mounting structure and poor stability of the translational and rotational actions; and anchor clamps and rotation module are rigidity fixed connection, and it is when contacting with the paper angle bead, difficultly protects both sides sucking disc simultaneously accurately with two side contact of paper angle bead, and then lead to the suction inconsistent, can't carry out stable absorption and snatch and even damage the paper angle bead.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an automatic grabbing and positioning mechanism for top corner protectors, which is characterized in that two groups of transmission mechanisms are arranged on a beam to be divided into two parallel tracks, and two groups of corner protector clamping and transferring parts which are driven by the transmission mechanisms to translate towards each other or back are correspondingly arranged, so that the structure is stable, the transferring synchronism between two stations is good, the corner protectors can be simultaneously installed on two sides of a box body, and the packaging efficiency is high; in addition, through setting up the elastic adjustment mechanism, realize semi-flexible connection, make the anchor clamps body can do the swing fine setting according to the skew volume with the contact of paper angle bead, realize the accurate laminating in both sides, adsorb to snatch more stably.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic positioning mechanism that snatchs of top angle bead, including horizontal drive mechanism, two slidable mounting that the level set up in the last and rotation elevating system who arranges along its length direction of horizontal drive mechanism, two correspond fixed mounting in rotate the elastic adjustment mechanism that elevating system removed the end and two correspond fixed mounting in elastic adjustment mechanism is last and can be the angle bead fixture that adaptability swing was finely tuned.

Preferably, the transverse transmission mechanism comprises a cross beam and two groups of transmission assemblies symmetrically mounted on the cross beam along the length direction of the cross beam, and the two rotary lifting mechanisms are correspondingly mounted on the transmission assemblies and driven by the transmission assemblies to perform opposite or back translational motion.

Preferably, the transmission assembly comprises a horizontally arranged belt pulley component and a motor for driving the belt pulley component to rotate, and the two rotary lifting mechanisms are driven by the belt pulley component to translate; and the beam is also provided with a horizontal sliding rail for slidably mounting the rotary lifting mechanism.

Preferably, the rotating lifting mechanism comprises a translation seat arranged on the horizontal transmission section of the transmission assembly, a rotating seat rotatably arranged on the translation seat, a second air cylinder connected and arranged between the translation seat and the rotating seat, a mounting seat arranged at the bottom of the rotating seat and a third air cylinder arranged on the mounting seat and provided with a movable end connected with the elastic adjusting mechanism.

Preferably, the rotating seat is of an L-shaped structure, the vertex of a right angle of the rotating seat is hinged to the second air cylinder, the end of a right angle side of the rotating seat is hinged to the translation seat, and the mounting seat is mounted on the other right angle side of the rotating seat.

Preferably, the elastic adjusting mechanism comprises a connecting seat connected with the rotary lifting mechanism, a profiling triangular seat positioned below the connecting seat and fixedly connected with the corner protection clamping mechanism, two groups of hinged components symmetrically arranged and provided with two ends respectively connected with the connecting seat and the profiling triangular seat, and an elastic component arranged between the connecting seat and the hinged components in a triangular structure.

Preferably, the corner protection clamping mechanism comprises a profiling clamp body connected with the elastic adjusting mechanism and a telescopic sucker assembly arranged on the profiling clamp body, the profiling triangle seat and the profiling clamp body are of a right-angle triangular support structure, and two right-angle sides and the top of the right angle of the profiling triangle seat and the top of the profiling clamp body are correspondingly attached and mounted respectively; and the two groups of hinge assemblies are respectively arranged on two right-angle edges of the profiling triangular seat.

Preferably, the hinge assembly includes an upper hinge shaft and a lower hinge shaft respectively installed on the connecting seat and the copying triangular seat along a length direction of the copying jig body, and two hinges respectively hinged to both ends of the upper hinge shaft and the lower hinge shaft.

Preferably, a connecting shaft is installed in the middle of the lower portion of the connecting seat, the elastic assembly comprises two springs, one ends of the two springs are hung on the two lower hinged shafts respectively, and the other ends of the two springs are hung on the connecting shaft.

Preferably, the telescopic sucker assemblies are symmetrically provided with two groups which are respectively perpendicular to the right-angle side planes of the profiling fixture body, and each telescopic sucker assembly comprises a first air cylinder fixedly arranged on the profiling fixture body, a telescopic plate connected with the telescopic end of the first air cylinder and a plurality of suckers uniformly distributed on the telescopic plate; the profiling fixture body is provided with a through groove corresponding to the sucker, and the sucker can penetrate through the through groove and extend into the inner side of the profiling fixture body.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a set up two sets of drive mechanisms on a crossbeam, this drive mechanism can be respectively independently done positive and negative rotary motion to divide a crossbeam into two and parallel tracks, and the corresponding installation two sets of angle bead clamp that are driven by the drive mechanism to translate in opposite directions or to the back are got and are shifted the part, and the structural mounting is stable and the transfer synchronism between two stations is good, packs more accurately and targetting; the utility model can simultaneously carry out corner protector installation on both sides of the box body, and has good packaging efficiency and packaging quality;

(2) the rotary lifting mechanism in the utility model is provided with the L-shaped rotary seat and is matched with the lifting third cylinder, the copying clamp can be corresponding to the right-angle edge of the box body to be packaged only by rotating 45 degrees after adsorbing the paper angle bead, the rotating angle is small, the action is compact and the structure is stable;

(3) the utility model discloses a connect between elevating system and angle bead fixture and set up the elasticity adjustment mechanism, realize semi-flexible connection, when the profile modeling anchor clamps body contacts with the paper angle bead, can carry out the horizontal hunting according to the relative deflection of two right angle side contact surfaces, carry out the adaptability fine setting, make it can laminate completely with two contact surfaces of paper angle bead, realize accurate profile modeling screens, cooperate flexible sucking disc to carry out accurate absorption again, snatch more stably;

(4) the utility model discloses an optimization snatchs the process steps, and the cooperation sets up retractable's sucking disc, accomplishes the profile modeling screens back when the anchor clamps body, stretches into the anchor clamps body with the sucking disc again inside, adsorbs paper angle bead both sides, makes the both sides homoenergetic accuracy obtain adsorbing on the one hand, and suction is big, and can avoid leading to the paper angle bead to be damaged because of the sucking disc is applyed the pressure inequality in both sides, and reduce cost and packing efficiency are high.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

fig. 2 is a connecting structure diagram of the rotary lifting mechanism and the corner protection clamping mechanism of the utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is a connecting structure diagram of the elastic adjusting mechanism and the corner protecting and clamping mechanism of the present invention;

FIG. 5 is a side view of the connection structure of the elastic adjustment mechanism and the corner protection clamping mechanism of the present invention;

FIG. 6 is a schematic structural view of the elastic adjustment mechanism of the present invention;

fig. 7 is a top view of the connection structure of the elastic adjustment mechanism and the corner protection clamping mechanism of the present invention;

fig. 8 is a schematic view of the local structure of the transverse transmission mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1-2, an automatic top corner protector grabbing and positioning mechanism includes a horizontal transmission mechanism 1, two rotating and lifting mechanisms 2 slidably mounted on the horizontal transmission mechanism 1 and arranged along the length direction thereof, two elastic adjustment mechanisms 3 correspondingly and fixedly mounted at the moving ends of the rotating and lifting mechanisms 2, and two corner protector clamping mechanisms 4 correspondingly and fixedly mounted on the elastic adjustment mechanisms 3 and capable of performing adaptive swing fine adjustment.

In this embodiment, paper angle bead 10 piles up and places on being located the frame of keeping in of angle bead fixture 4 below, angle bead fixture 4 by after rotating 2 vertical lifts of elevating system drive and absorbing paper angle bead 10, again by rotating elevating system 2 drives to the lateral part and rotate and make paper angle bead 10 and wait to pack the right angle limit of box corresponding, again by 1 drive rotation elevating system 2 of transverse transmission mechanism and angle bead fixture 4 side move to place paper angle bead 10 on the box right angle edge. When the angle bead clamping mechanism 4 descends and adsorbs, the angle bead clamping mechanism swings adaptively under the action of the elastic adjusting mechanism 3, so that the inner sides of two right-angle sides of the angle bead clamping mechanism correspondingly contact with the paper angle bead 10 in an attached mode, and the adsorption end portion of the sucker extends into the inner side of the angle bead clamping mechanism 4 to adsorb the two right-angle sides of the paper angle bead 10.

Further, the transverse transmission mechanism 1 comprises a cross beam 11 and two groups of transmission assemblies 12 symmetrically mounted on the cross beam 11 along the length direction thereof, and the two rotary lifting mechanisms 2 are correspondingly mounted on the transmission assemblies 12 and driven by the transmission assemblies 12 to perform opposite or back translational motion.

In this embodiment, two sets of transmission assemblies 12 are disposed on the cross beam 11, and the transmission assemblies 12 can respectively and independently perform forward and reverse rotation motions, so that one cross beam 11 is divided into two parallel tracks, and further, one rotary lifting mechanism 2 is disposed on each of the two transmission assemblies 12, so that the two rotary lifting mechanisms 2 can perform a translational motion in opposite directions or in a back-to-back direction. The structure is stably installed, the transfer synchronism between two stations is good, and the package is more accurate and in place; the corner protectors can be installed on two sides of the box body simultaneously, and packaging efficiency is greatly improved.

Further, the transmission assembly 12 includes a belt pulley part 121 horizontally installed and a motor 122 driving the belt pulley part 121 to make a rotary motion, and the two rotary lifting mechanisms 2 are driven by the belt pulley part 121 to translate; the beam 11 is also provided with a horizontal slide rail 13 for slidably mounting the rotary lifting mechanism 2.

In a preferred embodiment, the horizontal sliding rails 13 are provided with two sets of upper and lower. Through setting up horizontal slide rail 13, improve the stability of rotating 2 translations of elevating system, prevent to shake.

Further, the two rotary lifting mechanisms 2 are arranged along the center of the cross beam 11 in a bilateral symmetry mode, and the lengths of the translation tracks of the two rotary lifting mechanisms are equal. Therefore, the moving distances of the two rotary lifting mechanisms 2 relative to respective target points are equal, the translation synchronism of the two rotary lifting mechanisms is good, and transmission transfer is more accurate in place.

Further, as shown in fig. 8, the motor 122 is fixedly mounted at the middle section of the cross beam 11 through a mounting seat, and a rotating shaft of the motor 122 is vertically opposite to the cross beam 11; the pulley assembly 121 includes a driving wheel 1211 coaxially mounted on the rotating shaft of the motor 122, a driven wheel 1212 rotatably mounted on an end portion of the cross beam 11, and a transmission belt (not shown in fig. 8) having two ends respectively sleeved on the driving wheel 1211 and the driven wheel 1212.

Further, as shown in fig. 2, the rotating and lifting mechanism 2 includes a translation seat 21 installed on the horizontal transmission section of the transmission assembly 12, a rotation seat 22 rotatably installed on the translation seat 21, a second cylinder 23 connected and arranged between the translation seat 21 and the rotation seat 22, an installation seat 24 arranged at the bottom of the rotation seat 22, and a third cylinder 25 arranged on the installation seat 24 and having a moving end connected with the elastic adjustment mechanism 3.

As a preferred embodiment, the third cylinder 25 is vertically installed, two guide posts should be installed on the installation base 24 and located at two side portions of the third cylinder 25, the bottom of each guide post is fixedly connected with the elastic adjusting mechanism 3, and the arrangement of the guide posts makes the telescopic action of the telescopic end of the third cylinder 25 more stable and smooth.

Further, as shown in fig. 4-6, the elastic adjusting mechanism 3 includes a connecting seat 31 connected to the rotary lifting mechanism 2, a profiling triangle seat 32 located below the connecting seat 31 and fixedly connected to the corner protection clamping mechanism 4, two sets of hinge assemblies 33 symmetrically arranged and having two ends respectively connected to the connecting seat 31 and the profiling triangle seat 32, and an elastic assembly 34 installed between the connecting seat 31 and the hinge assemblies 33 in a triangular structure.

In this embodiment, since it cannot be guaranteed that the corner protector clamping mechanism 4 is perfectly attached to the paper corner protector 10 after descending, by connecting the elastic adjustment mechanism 3 between the rotary lifting mechanism 2 and the corner protector clamping mechanism 4, and the hinge assembly 33 and the elastic assembly 34 on the elastic adjustment mechanism 3 realize the semi-flexible connection between the copying clamp body 41 and the third cylinder 25, the copying clamp body 41 can swing left and right, when it contacts the paper corner protector 10, if it does not lie in the same vertical plane with the top of the right angle of the paper corner protector 10, it will lead to the contact surface on one side contacting first, at this time, it can carry out adaptive fine adjustment by swinging left and right according to the relative deviation of the contact surfaces on the two right angles, so that it can be perfectly attached to both contact surfaces of the paper corner protector 10, realizing accurate copying clamping, and then matching with the telescopic chuck assembly 42 for accurate absorption, the action piece has good matching degree, so that the grabbing and transferring are more stable.

It should be noted that, two sets of articulated subassembly 33 is followed the width direction symmetry of profile modeling anchor clamps body 41 sets up, every group articulated subassembly 33 is all articulated from top to bottom connect connecting seat 31 and profile modeling triangular seat 32 through the articulated rotation of two sets of articulated subassemblies 33, drives profile modeling anchor clamps body 41 horizontal hunting, and the cooperation sets up the elastic component 34 that the triangle structural connection installed between connecting seat 31 and articulated subassembly 33 again, through the laminating dynamics of spring force increase profile modeling anchor clamps body 41 swing back and paper angle bead 10, control swing degree of freedom, avoid excessive swing.

Further, the corner protection clamping mechanism 4 comprises a profiling fixture body 41 connected with the elastic adjusting mechanism 3 and a telescopic sucker assembly 42 arranged on the profiling fixture body 41, the profiling triangle seat 32 and the profiling fixture body 41 are both in a right-angle triangular bracket structure, and two right-angle sides and right-angle tops of the profiling triangle seat and the profiling fixture body 41 are respectively correspondingly attached and mounted; two sets of the hinge assemblies 33 are respectively arranged on two right-angle sides of the profiling triangular seat 32.

Further, the hinge assembly 33 includes an upper hinge shaft 331 and a lower hinge shaft 332 respectively mounted on the connecting seat 31 and the copying cam 32 in a length direction of the copying jig body 41, and two hinges 333 respectively hinged to both end portions of the upper hinge shaft 331 and the lower hinge shaft 332.

Further, a connecting shaft 311 is installed in the middle of the lower portion of the connecting seat 31, the elastic assembly 34 includes two springs 341, one end of each of the two springs 341 is hung on each of the two lower hinge shafts 332, and the other end of each of the two springs 341 is hung on the connecting shaft 311.

In a preferred embodiment, the lower hinge shaft 332 and the connecting shaft 311 are respectively provided with a ring groove for limiting and clamping the spring 341, so as to prevent the spring 341 from displacing.

In this embodiment, one end of the elastic component 34 is correspondingly installed on the two sets of hinge components 33, and the other end is installed in the middle of the connecting seat 31.

As a preferred embodiment, as shown in fig. 4, two sets of elastic components 34 are arranged along the length direction of the profiling fixture body 41, so that the structure is more stable.

Further, as shown in fig. 4, 5, and 7, the retractable sucker assemblies 42 are symmetrically provided with two sets and are respectively installed perpendicular to the right-angle side plane of the profiling fixture body 41, and each set includes a first cylinder 421 fixedly installed on the profiling fixture body 41, a retractable plate 422 connected to the retractable end of the first cylinder 421, and a plurality of suckers 423 uniformly distributed on the retractable plate 422; the profiling fixture body 41 is provided with a through groove 411 corresponding to the suction cup 423, and the suction cup 423 can extend into the inner side of the profiling fixture body 41 through the through groove 411.

In this embodiment, snatch the process steps through optimizing, set up the sucking disc subassembly into retractable structure, after profile modeling screens is accomplished to profile modeling anchor clamps body 41, stretch into the anchor clamps body with sucking disc 423 again inside, adsorb the both sides of paper angle bead 10, make both sides homoenergetic accurate obtain adsorb on the one hand, suction is big, and can avoid leading to the paper angle bead to be damaged because of the pressure inequality that sucking disc 23 applyed at both sides, reduce cost and packing are efficient.

As a preferable embodiment, as shown in fig. 7, the middle of the expansion plate 422 is connected to the first cylinder 421, two suction cups 423 are arranged along the length direction of the profiling jig body 41 and are respectively installed at two ends of the expansion plate 422, and a left suction cup 423 and a right suction cup 423 are respectively installed at each side for multi-point suction, which is more stable.

Example two

For simplicity, only the differences between the second embodiment and the first embodiment will be described below; the second embodiment is different from the first embodiment in that:

further, the rotating seat 22 is an L-shaped structure, the vertex of a right angle of the rotating seat is hinged to the second cylinder 23, the end of a right angle side of the rotating seat is hinged to the translation seat 21, and the mounting seat 24 is mounted on the other right angle side.

In this embodiment, through setting up the roating seat 22 of L shape, second cylinder 23 is articulated mutually with roating seat 22 right angle summit to the cooperation third cylinder 25 of over-and-under type, after angle bead fixture 4 is adsorbed paper angle bead 10 by the third cylinder 25 drive translation, only need rotate 45 can with wait to pack the right angle side of box and correspond, turned angle is little, moves compactly, and occupation space is little and stable in structure.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an automatic positioning mechanism that snatchs of top angle bead, its characterized in that, including horizontal drive mechanism (1), two slidable mounting that the level set up in last and along rotation elevating system (2) that its length direction was arranged of horizontal drive mechanism (1), two correspond fixed mounting in rotate elastic adjustment mechanism (3) that elevating system (2) removed the end and two correspond fixed mounting in elastic adjustment mechanism (3) are gone up and can be angle bead fixture (4) that adaptability swing was finely tuned.

2. The automatic top corner protector grabbing and positioning mechanism according to claim 1, wherein the transverse transmission mechanism (1) comprises a cross beam (11) and two groups of transmission assemblies (12) symmetrically mounted on the cross beam (11) along the length direction of the cross beam, and the two rotary lifting mechanisms (2) are correspondingly mounted on the transmission assemblies (12) and driven by the transmission assemblies (12) to perform opposite or back translational motion.

3. The automatic top corner protector grabbing and positioning mechanism as claimed in claim 2, wherein the transmission assembly (12) comprises a horizontally mounted pulley member (121) and a motor (122) for driving the pulley member (121) to rotate, and the two rotary lifting mechanisms (2) are driven by the pulley member (121) to translate; the beam (11) is also provided with a horizontal sliding rail (13) for slidably mounting the rotary lifting mechanism (2).

4. The automatic top corner protector grabbing and positioning mechanism according to claim 2, wherein the rotary lifting mechanism (2) comprises a translation seat (21) installed on the horizontal transmission section of the transmission assembly (12), a rotation seat (22) rotatably installed on the translation seat (21), a second air cylinder (23) connected and arranged between the translation seat (21) and the rotation seat (22), a mounting seat (24) arranged at the bottom of the rotation seat (22), and a third air cylinder (25) arranged on the mounting seat (24) and having a moving end connected with the elastic adjusting mechanism (3).

5. The automatic top corner protection grabbing and positioning mechanism according to claim 4 is characterized in that the rotating seat (22) is of an L-shaped structure, the right-angle vertex of the rotating seat is hinged to the second air cylinder (23), one right-angle edge end of the rotating seat is hinged to the translation seat (21), and the other right-angle edge of the rotating seat is provided with the mounting seat (24).

6. The automatic top corner protector grabbing and positioning mechanism according to claim 1, wherein the elastic adjusting mechanism (3) comprises a connecting seat (31) connected with the rotary lifting mechanism (2), a profile modeling triangular seat (32) located below the connecting seat (31) and fixedly connected with the corner protector clamping mechanism (4), two sets of hinge assemblies (33) symmetrically arranged and respectively connected with the connecting seat (31) and the profile modeling triangular seat (32) at two ends, and an elastic assembly (34) arranged between the connecting seat (31) and the hinge assemblies (33) in a triangular structure.

7. The automatic top corner protector grabbing and positioning mechanism according to claim 6, wherein the corner protector clamping mechanism (4) comprises a profiling fixture body (41) connected with the elastic adjusting mechanism (3) and a telescopic sucker assembly (42) arranged on the profiling fixture body (41), the profiling triangular seat (32) and the profiling fixture body (41) are of a right-angled triangular bracket structure, and two right-angled sides and the top of the right-angled sides are correspondingly attached and mounted respectively; two groups of hinge assemblies (33) are respectively arranged on two right-angle edges of the profiling triangular seat (32).

8. The automatic top corner protector grabbing and positioning mechanism as claimed in claim 7, wherein said hinge assembly (33) comprises an upper hinge shaft (331) and a lower hinge shaft (332) respectively mounted on said connecting seat (31) and said cam (32) along the length direction of said cam jig body (41), and two hinges (333) respectively hinged to both ends of said upper hinge shaft (331) and said lower hinge shaft (332).

9. The automatic top corner protector grabbing and positioning mechanism according to claim 8, wherein a connecting shaft (311) is installed at the lower middle part of the connecting seat (31), the elastic component (34) comprises two springs (341), one end of each of the two springs (341) is hung on each of the two lower hinge shafts (332), and the other end of each of the two springs is hung on the connecting shaft (311).

10. The automatic top corner protector grabbing and positioning mechanism according to claim 7, wherein the telescopic sucker assemblies (42) are symmetrically provided with two groups and are respectively installed perpendicular to the right-angle side plane of the profiling fixture body (41), and comprise a first air cylinder (421) fixedly installed on the profiling fixture body (41), a telescopic plate (422) connected with the telescopic end of the first air cylinder (421), and a plurality of suckers (423) uniformly distributed on the telescopic plate (422); a through groove (411) is formed in the profiling fixture body (41) corresponding to the suction disc (423), and the suction disc (423) can penetrate through the through groove (411) and extend into the inner side of the profiling fixture body (41).

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