CN211996492U

CN211996492U - 90-degree manipulator mechanism for full-automatic labeling machine

Info

Publication number: CN211996492U
Application number: CN202020595970.1U
Authority: CN
Inventors: 赵晓伟
Original assignee: Zhuhai Wd Abrasives Co ltd
Current assignee: Zhuhai Wd Abrasives Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-24
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a 90 manipulator mechanism for full-automatic labeller, including the fixed bolster, fixed module is installed to one side of fixed bolster, is provided with the rotation module on the fixed module, and the rotation module includes the rotation axis, installs the arm on the rotation axis, and the arm includes first rectangle arm and the second rectangle arm of mutually perpendicular, and the one end that the rotation axis was kept away from to first rectangle arm and second rectangle arm all is provided with and snatchs the module, snatchs the module and is used for snatching/putting down the emery wheel, the utility model discloses a 90 manipulator mechanism passes through the forward rotation and the reverse rotation of servo motor control arm, and the lift of lift cylinder and negative sucker accomplish automatic blanking when realizing getting the material together, both greatly reduced manufacturing cost when improving equipment automation level, improved production efficiency.

Description

90-degree manipulator mechanism for full-automatic labeling machine

Technical Field

The utility model relates to a emery wheel pastes the mark technical field, especially relates to a 90 manipulator mechanism for full-automatic labeller.

Background

Resin grinding wheels, which are grinding wheels made of resin as a binder, mainly include cutting blades, cymbal-shaped grinding wheels for dressing, heavy-duty grinding wheels, polishing wheels, and the like. The resin abrasive wheel cutting blade has the advantages of high cutting speed, high cutting size precision, smooth cutting surface, good self-sharpening property, simple and convenient manufacture, short process period and the like, so the resin abrasive wheel cutting blade is widely applied to metal and nonmetal grooving and cutting-off processing.

The resin grinding wheel cutting piece is thin, so that the strength of the cutting piece is easily damaged if the cutting piece is in tight contact with a flange of a cutting machine when the machine is used; if the cutting blade is too loose in contact with the flange of the cutting machine, the cutting blade and the flange are easy to slip, and the use safety of the cutting blade is affected. Based on the consideration, most grinding wheel manufacturers can paste a paper pad and a rubber pad on the annular hole of each cutting sheet so as to buffer the assembly force between the cutting sheet and the flange of the cutting machine and guarantee the use safety of users to the maximum extent. However, most of the existing twenty-station paper pad pasting equipment needs to manually feed materials up and down or supplement materials and take out materials at regular time and fixed point, so that the process is complicated, and the labor intensity of workers is greatly increased.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a 90 manipulator mechanism for full-automatic labeling machine mainly solves the problem among the background art.

The utility model provides a 90 manipulator mechanism for full-automatic labeller, which comprises a fixed support, fixed module is installed to one side of fixed bolster, the last rotatory module that is provided with of fixed module, rotatory module includes the rotation axis, install the arm on the rotation axis, the arm includes first rectangle arm and the second rectangle arm of mutually perpendicular, first rectangle arm with the second rectangle arm is kept away from the one end of rotation axis all is provided with the module of snatching, it is used for snatching/putting down the emery wheel to snatch the module.

The improved structure is characterized in that a four-station turntable is arranged above the fixed support and is a circular turntable, the circular turntable is averagely divided into four stations, a plurality of positioning mandrils are arranged on each station respectively, the four-station turntable is connected with a driving motor, and the driving motor drives the four-station turntable to rotate 90 degrees anticlockwise at fixed time intervals.

The improved structure of the support frame is characterized in that the fixing module comprises a support frame, support rods and a support seat, one end of the support frame is fixedly arranged on one side of the fixing support, 4 support rods are fixedly arranged at the other end of the support frame, and the support seat is fixedly arranged at the top end of each support rod.

The further improvement lies in that the rotary module further comprises a servo motor, the servo motor is arranged below the supporting seat, the supporting seat is provided with a through hole, an output shaft of the servo motor penetrates through the through hole and is fixedly connected with the rotary shaft, and the rotary shaft is fixedly connected with the mechanical arm.

The improved structure of the automatic material taking device is characterized in that the grabbing module comprises a lifting cylinder, a material taking plate and a negative pressure sucker, the lower portion of the first rectangular arm and the lower portion of the second rectangular arm are fixedly installed at the fixed end of the lifting cylinder respectively, the lifting end of the lifting cylinder is fixedly installed on the material taking plate, the material taking plate is provided with a plurality of the negative pressure sucker, an air vent of the negative pressure sucker is connected with an air source, and the air vent of the lifting cylinder is connected with the air source.

The further improvement is that the positions of the negative pressure suckers exactly correspond to the peripheral positions of the positioning core rods one by one, and the number of the negative pressure suckers on each material taking disc is not less than 12.

The improved structure of the material taking disc is characterized by further comprising a positioning module, wherein the positioning module comprises a positioning rod, one end of the positioning rod is fixedly installed on the material taking disc, through holes are correspondingly formed in the first rectangular arm and the second rectangular arm, and the positioning rod penetrates through the through holes and can slide up and down on the through holes.

The further improvement lies in that the material of arm is aviation aluminum product.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the 90-degree mechanical arm mechanism of the utility model controls the forward rotation and the reverse rotation of the mechanical arm through the servo motor, the lifting of the lifting cylinder and the negative pressure sucker realize automatic material taking and simultaneously complete automatic blanking, thereby not only improving the automation level of the equipment, but also greatly reducing the production cost and improving the production efficiency;

2. the utility model adopts the positioning module to assist the positioning of the material taking disc, avoids the deviation of the positioning of the material taking disc when the mechanical arm runs at high speed and the lifting cylinder continuously lifts, improves the precision of material taking and blanking, is beneficial to the ordered running of the full-automatic labeling machine, and improves the production efficiency;

3. the utility model discloses an arm adopts the aviation aluminum product to make, can also alleviate mechanical parts's quality under the prerequisite of guaranteeing the arm rigidity, avoids the overshooting of rotary module when high-speed operation to show, improves positioning accuracy.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic front view of an embodiment of the present invention;

fig. 3 is a schematic top view of an embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of a labeling machine according to an embodiment of the present invention;

wherein: 1. a four-station turntable; 2. positioning the core rod; 3. a support frame; 4. a support bar; 5. a supporting seat; 6. a servo motor; 7. a rotating shaft; 801. a first rectangular arm; 802. a second rectangular arm; 9. a lifting cylinder; 10. taking a material tray; 11. a negative pressure sucker; 12. positioning a rod; 100. fixing a bracket; 1001. a 90 degree manipulator mechanism; 1002. a grinding wheel feeding mechanism; 1003. a glue dispensing mechanism; 1004. a labeling mechanism; 1005. a heating mechanism.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the utility model discloses a 90 manipulator mechanism for full-automatic labeling machine, including the fixed bolster, fixed module is installed to one side of fixed bolster, the last rotatory module that is provided with of fixed module, rotatory module includes rotation axis 7, install the arm on the rotation axis 7, the arm includes mutually perpendicular first rectangle arm 801 and second rectangle arm 802, first rectangle arm 801 with second rectangle arm 802 is kept away from the one end of rotation axis 7 all is provided with the module of snatching, the module of snatching is used for snatching/puts down the emery wheel.

As an optimal scheme of the utility model, the top of fixed bolster is provided with quadruplex position carousel 1, quadruplex position carousel 1 is circular carousel, four stations are equallyd divide to circular carousel, are provided with a plurality of location plug 2 on every station respectively, quadruplex position carousel 1's drive end is provided with driving motor, driving motor presses the drive of fixed time interval quadruplex position carousel 1 anticlockwise rotation 90.

As an optimized scheme of the utility model, fixed module includes support frame 3, bracing piece 4 and supporting seat 5, the one end fixed mounting of support frame 3 is in one side of fixed bolster, the fixed 4 roots that are provided with on the other end of support frame 3 bracing piece 4, the top fixed mounting of bracing piece 4 supporting seat 5.

As a preferred scheme of the utility model, the rotating module still includes servo motor 6, servo motor 6 sets up the below of supporting seat 5, a through-hole has been seted up to supporting seat 5, servo motor 6's output shaft runs through the through-hole with rotation axis 7 fixed connection, rotation axis 7 with arm fixed connection.

As a preferred embodiment of the present invention, the grabbing module comprises a lifting cylinder 9, a material taking plate 10 and a negative pressure suction cup 11, the lower part of the first rectangular arm 801 and the lower part of the second rectangular arm 802 are respectively fixed on the fixed end of the lifting cylinder 9, the lifting end of the lifting cylinder 9 is fixed on the material taking plate 10, the material taking plate 10 is provided with a plurality of the negative pressure suction cup 11, the air vent of the negative pressure suction cup 11 is connected with the air vent, and the air vent of the lifting cylinder 9 is connected with the air vent.

As an optimized scheme of the utility model, the position of negative pressure sucking disc 11 just with the peripheral position one-to-one of location plug 2, and every the negative pressure sucking disc 11 figure on the charging tray 10 is no less than 12.

As a preferred scheme of the utility model, still include orientation module, orientation module includes locating lever 12, the one end fixed mounting of locating lever 12 is in on the fetching disk 10, the through-hole has been seted up to correspondence on first rectangle arm 801 and the second rectangle arm 802, locating lever 12 wears to establish respectively the through-hole can slide from top to bottom on the through-hole.

As a preferred scheme of the utility model, the material of arm is the aviation aluminum product, and the use of aviation aluminum product can alleviate mechanical parts's quality under the prerequisite of guaranteeing the arm rigidity, avoids the appearance of overshooting of rotary module when high-speed operation, improves positioning accuracy.

Example 1:

now combine full-automatic quadruplex position labeller right the utility model discloses a 90 manipulator mechanism does a specific explanation, explains as follows:

a full-automatic four-station labeling machine comprises a fixed support 100, wherein a support frame 3 is arranged on the upper right side of the fixed support 100, and a 90-degree manipulator mechanism 1001 is arranged at the upper end of the support frame 3; a second support frame is arranged at the upper left of the fixed support 100, and a glue dispensing mechanism 1003 is arranged at the upper end of the second support frame; a third support frame is arranged at the lower left of the fixed support 100, and a labeling mechanism 1004 is arranged above the third support frame; a fourth support frame is arranged at the lower right part of the fixed support 100, and a heating mechanism is arranged above the fourth support frame; the automatic labeling machine is characterized by further comprising a feeding mechanism, wherein the feeding mechanism comprises a grinding wheel feeding mechanism 1002 and a paper pad feeding mechanism, the grinding wheel feeding mechanism 1002 is arranged on the left side of the 90-degree manipulator mechanism 1001, the paper pad feeding mechanism is arranged below the labeling mechanism 1004, and a four-station turntable 1 is arranged above the fixed support 100.

Specifically, quadruplex position carousel 1 is circular carousel, divide into first station, second station, third station and fourth station according to upper right, upper left, lower left, right below direction, is provided with 4 location plug 2 on every station respectively, the below of quadruplex position carousel 1 is provided with driving motor, driving motor drives according to fixed time interval quadruplex position carousel 1 anticlockwise rotation 90.

More specifically speaking, fixed bolster 100 is still installed to the below of quadruplex position carousel 1, the lower extreme of fixed bolster 100 is provided with 4 supporting legss, be provided with respectively on the supporting legs from locking-type universal wheel, provide quadruplex position labeller's removal ability, improve the utility model discloses a practicality.

More specifically, the four-station turntable 1 is divided into a first station, a second station, a third station and a fourth station, which correspond to the 90 ° manipulator mechanism 1001, the glue dispensing mechanism 1003, the labeling mechanism 1004 and the heating mechanism, respectively, and when each station rotates to the lower side of each mechanism, the corresponding mechanisms all react and perform corresponding actions, so that continuous work of the labeling machine is ensured, and the production efficiency can be greatly improved.

More specifically, four stations on the four-station turntable 1 are provided with positioning mandrels 2, the number of the positioning mandrels 2 is 4, the positioning mandrels 2 are arranged at four vertex points forming a rectangle, the positioning mandrels 2 are used for placing grinding wheels, and preferably, a plurality of positioning sliders are arranged at equal diameters of the positioning mandrels 2 by taking the positioning mandrels 2 as a circle center, so as to assist the positioning mandrels 2 in accurately positioning the grinding wheels, improve the positioning accuracy, and facilitate the next process.

Specifically, the specific structure of the 90 ° manipulator mechanism 1001 is as described above, and is not described herein again, and more specifically, the grinding wheel feeding mechanism 1002 should be placed on the left side of the 90 ° manipulator mechanism 1001 and right below a rectangular arm of the mechanical arm, so that a material taking tray is lowered, and the negative pressure suction cup adsorbs a grinding wheel and sends the grinding wheel to the four-station turntable 1. Preferably, an outfeed conveyor belt is arranged on the right side of the 90 ° manipulator mechanism 1001, directly below a rectangular arm of the robot arm, and directly opposite to the grinding wheel feeding mechanism 1002, and rotates at regular time intervals to slowly convey stacked grinding wheels to the next process equipment. It is understood that the robot arm of the 90 ° robot mechanism 1001 rotates counterclockwise and changes to clockwise rotation after 180 ° of cumulative rotation, and changes to counterclockwise rotation again after 180 ° of cumulative rotation, and the cycle is repeated.

Specifically, the second bracing piece is installed to the top of second support frame, the one end of second supporting seat is installed to the top of second bracing piece, the other end of second supporting seat is provided with some gum machine structure 1003, some gum machine structure 1003 includes second lift cylinder, point gum base, goes out to glue the cylinder and goes out to glue the head, the stiff end fixed mounting of second lift cylinder is in the below of second supporting seat, the lift fixed mounting of second lift cylinder is some gum base, the fixed 4 play glue cylinders that are provided with in below of point gum base, go out glue the cylinder the position with the position one-to-one of location plug 2 on the second station, the play glue end of every play glue cylinder is provided with out to glue the head.

Specifically, each glue outlet cylinder is provided with 3 glue outlet heads, the trisection positions of the 3 glue outlet heads corresponding to the central hole of the paper pad are arranged at the glue outlet ends of the glue outlet cylinders, a throttle valve is arranged at the joint of each glue outlet cylinder and the corresponding glue outlet head, and a glue pipe pressure regulating valve is arranged on a glue pipe connecting the glue outlet cylinder and the glue source.

Specifically, the third bracing piece is installed to the top of third support frame, the third supporting seat is installed to the top of third bracing piece, the below of third supporting seat is provided with labeller structure 1004, labeller structure 1004 includes guide rail, third lift cylinder and telescopic cylinder, guide rail fixed mounting be in the below of third supporting seat, the guide rail is close to the one end of quadruplex position carousel 1 is provided with the baffle, install the buffer block on the baffle, keeping away from of guide rail the one end of quadruplex position carousel 1 is provided with the mounting base, fixed mounting on the mounting base telescopic cylinder, telescopic cylinder's telescopic link fixed connection the third lift cylinder, the stiff end of third lift cylinder with guide rail sliding connection, the lift fixed mounting second of third lift cylinder gets the charging tray, the below of second gets the charging tray corresponds the position of location plug 2 on the third station is provided with a plurality of second negative pressure and inhales And the air vent of the second negative pressure sucker is connected with an air source.

More specifically, the paper pad feeding mechanism should be placed below the labeling mechanism 1004 and right below the left end of the lifting cylinder, so that the material taking plate can descend, and the negative pressure suction cup adsorbs the paper pad and sends the paper pad to the four-station turntable 1.

Specifically, a fourth supporting rod is installed above the fourth supporting frame, a fourth supporting seat is installed above the fourth supporting rod, a heating mechanism is arranged on the fourth supporting seat and comprises a power source and a far infrared heating wire disc, the power source is installed at the upper end of the fourth supporting seat and used for supplying power to the far infrared heating wire disc, the far infrared heating wire disc is arranged under the power source, and the position, corresponding to the positioning core rod 2 on the fourth station, of the far infrared heating wire disc is divided into four heating zones and used for drying glue on the grinding wheel.

Specifically, emery wheel feed mechanism 1002 includes pneumatic graduated disk, first actuating lever, second actuating lever, containing tray and flourishing material pole, be provided with on the pneumatic graduated disk and be no less than 4 material loading districts, the position that corresponds first negative pressure sucking disc on the material loading district is provided with 4 the material containing pole, 4 still wear to be equipped with on the material containing pole the containing tray, the containing tray can slide from top to bottom on the material containing pole, the containing tray is used for holding the emery wheel, the both ends of containing tray are provided with first actuating lever and second actuating lever respectively, first actuating lever with be provided with step motor on the second actuating lever, step motor is used for control the rising/decline of containing tray.

Specifically, paper pad feed mechanism includes pneumatic graduated disk, first actuating lever, second actuating lever, containing tray and flourishing material pole, be provided with on the pneumatic graduated disk and be no less than 4 material loading districts, it is provided with 4 to correspond on the material loading district the position of second negative pressure sucking disc is provided with 4 material containing lever, 4 still wear to be equipped with on the material containing lever containing tray, containing tray can slide from top to bottom on the material containing lever, containing tray is used for holding the paper pad, the both ends of containing tray are provided with first actuating lever and second actuating lever respectively, first actuating lever with be provided with step motor on the second actuating lever, step motor is used for control the rising/decline of containing tray.

The working process is as follows:

step 1: the paper pad and the grinding wheel are stored on the material containing disc in advance, the power supply is started, the pneumatic dividing disc rotates a material loading area to be right below a material taking disc 10 of the 90-degree manipulator mechanism, and the stepping motor lifts the material containing disc to rise to a specified height along the driving rod;

step 2: the lifting cylinder 9 drives the material taking plate 10 to descend to a specified height, the negative pressure suction disc 11 adsorbs a grinding wheel to lift the material taking plate 10, the 90-degree manipulator mechanism rotates 90 degrees to rotate the material taking plate 10 adsorbed with the grinding wheel to a first station of the four-station turntable 1;

and step 3: the negative pressure sucker 11 puts down a grinding wheel, the grinding wheel falls above the positioning core rod 2 on the first station, and the four-station turntable 1 rotates anticlockwise by 90 degrees and enters a working area of the dispensing mechanism;

and 4, step 4: the second lifting cylinder drives the glue outlet cylinder to descend to a specified height, and the glue outlet simultaneously discharges glue to carry out glue dispensing on the grinding wheel;

and 5: the second lifting cylinder drives the glue outlet cylinder to ascend to finish glue dispensing, and the four-station turntable rotates anticlockwise by 90 degrees and enters a working area of the labeling mechanism;

step 6: the telescopic rod of the telescopic cylinder contracts to drive the third lifting cylinder to move left, the third lifting cylinder drives the second material taking plate to descend by a specified height, and the third lifting cylinder drives the second material taking plate to ascend again after the negative pressure sucker adsorbs the paper pad;

and 7: the telescopic rod of the telescopic cylinder expands to drive the third lifting cylinder to move right, the third lifting cylinder drives the second material taking disc to descend to a specified height, the negative pressure sucker puts down a paper pad, and the paper pad is attached to a grinding wheel;

and 8: the third lifting cylinder drives the second material taking plate to ascend again, the four-station turntable continues to rotate anticlockwise for 90 degrees and enters a working area of the heating mechanism;

and step 9: after the working area of the heating mechanism stays for a preset time, the four-station turntable continues to rotate 90 degrees anticlockwise and returns to the working area of the 90-degree manipulator mechanism;

step 10: the servo motor of the 90-degree manipulator mechanism controls the mechanical arm to rotate 90 degrees, the first lifting cylinder drives the material taking plates to descend, one first material taking plate descends and adsorbs the grinding wheel which is labeled, and the other first material taking plate adsorbs the grinding wheel in the feeding area of the grinding wheel feeding mechanism;

step 11: the lifting cylinder 9 drives the material taking disc 10 to ascend again, the servo motor 6 drives the mechanical arm to rotate 90 degrees anticlockwise again, the material taking disc 10 adsorbing the grinding wheel which is labeled is loosened, the grinding wheel is placed into the discharging conveying belt, the material taking disc 10 adsorbing the grinding wheel which is not labeled is loosened, the step 3 is returned again, and therefore automatic material taking and automatic blanking of the first round are completed.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a 90 manipulator mechanism for full-automatic labeller, a serial communication port, includes the fixed bolster, fixed module is installed to one side of fixed bolster, be provided with the rotation module on the fixed module, the rotation module includes rotation axis (7), install the arm on rotation axis (7), the arm includes mutually perpendicular first rectangle arm (801) and second rectangle arm (802), first rectangle arm (801) with second rectangle arm (802) are kept away from the one end of rotation axis (7) all is provided with the module of snatching, the module of snatching is used for snatching/puts down the emery wheel.

2. The 90-degree manipulator mechanism for the full-automatic labeling machine according to claim 1, characterized in that a four-station turntable (1) is arranged above the fixed support, the four-station turntable (1) is a circular turntable which is divided into four stations on average, each station is provided with not less than 4 positioning core rods (2), the four-station turntable (1) is connected with a driving motor, and the driving motor drives the four-station turntable (1) to rotate 90 degrees anticlockwise at fixed time intervals.

3. The 90 ° manipulator mechanism for the full-automatic labeling machine according to claim 2, wherein the fixing module comprises a support frame (3), a support rod (4) and a support seat (5), one end of the support frame (3) is fixedly installed on one side of the fixing support frame, 4 support rods (4) are fixedly arranged on the other end of the support frame (3), and the top end of each support rod (4) is fixedly installed on the support seat (5).

4. The 90 ° mechanical arm mechanism for full automatic labeling machine according to claim 3, characterized in that, the rotating module further comprises a servo motor (6), the servo motor (6) is disposed below the supporting base (5), the supporting base (5) is opened with a through hole, the output shaft of the servo motor (6) penetrates through the through hole to be fixedly connected with the rotating shaft (7), and the rotating shaft (7) is fixedly connected with the mechanical arm.

5. The 90-degree manipulator mechanism for the full-automatic labeling machine according to claim 1, wherein the grabbing module comprises a lifting cylinder (9), a material taking disc (10) and a negative pressure sucker (11), the fixed ends of the lifting cylinder (9) are respectively and fixedly installed below the first rectangular arm (801) and the second rectangular arm (802), the material taking disc (10) is fixedly installed at the lifting end of the lifting cylinder (9), the negative pressure suckers (11) are arranged on the material taking disc (10), the vent holes of the negative pressure suckers (11) are connected with an air source, and the vent holes of the lifting cylinder (9) are connected with the air source.

6. The 90 ° mechanical arm mechanism for the full-automatic labeling machine according to claim 5, characterized in that the positions of the vacuum suction cups (11) correspond to the peripheral positions of the positioning core rods (2) one by one, and the number of the vacuum suction cups (11) on each material taking tray (10) is not less than 12.

7. The 90 ° manipulator mechanism for a full-automatic labeling machine according to claim 6, further comprising a positioning module, wherein the positioning module comprises a positioning rod (12), one end of the positioning rod (12) is fixedly mounted on the material taking tray (10), through holes are correspondingly formed in the first rectangular arm (801) and the second rectangular arm (802), and the positioning rod (12) respectively penetrates through the through holes and can slide up and down on the through holes.

8. The 90 ° mechanical arm mechanism for full-automatic labeling machine according to claim 1, characterized in that the material of said mechanical arm is aviation aluminum.