CN113443437A

CN113443437A - Arm-type autoloading frock of helping hand

Info

Publication number: CN113443437A
Application number: CN202110584611.5A
Authority: CN
Inventors: 万志勇
Original assignee: Changzhou Well Tech Technologies Co ltd
Current assignee: Changzhou Well Tech Technologies Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-09-28
Anticipated expiration: 2041-05-27
Also published as: CN113443437B

Abstract

The invention relates to a power-assisted arm type automatic feeding tool which comprises a power-assisted arm mechanism and a material taking mechanism, wherein the power-assisted arm mechanism comprises a lower upright post, an upper upright post rotatably installed at the top of the lower upright post, a hinged support installed at the top of the upper upright post, a lifting arm hinged on the hinged support, an upper suspension arm rotatably installed at the lower end of the lifting arm, and a lower suspension arm rotatably installed at the lower end of the upper suspension arm; the material taking mechanism is installed at the lower end of the lower suspension arm and comprises a hanging bracket and a plurality of slats arranged below the hanging bracket in parallel, a sliding plate is installed between the hanging bracket and the slats, the slats can be attached to the sliding plate to be folded or unfolded in the arrangement direction of the sliding plate, the sliding plate can move in the arrangement direction of the slats perpendicular to the arrangement direction, and grabbing components are installed at two ends of each slat respectively. The invention can realize the material taking and feeding of the main rod at the centralized placement point and the material placing on the welding positioning mechanism in the scissor arm processing process, improves the scissor arm processing efficiency and has high automation degree.

Description

Arm-type autoloading frock of helping hand

Technical Field

The invention belongs to the field of machining and feeding of scissor arms for elevators, and particularly relates to an assisting arm type automatic feeding tool.

Background

The used scissors arm of lift includes two parallel mobile jib, and leaves the interval between two mobile jibs after the shaping for structures such as installation axle sleeve and V template. Before the scissor arms are welded, the main rods are generally centralized and arranged side by side together for saving space and facilitating transportation, and when the main rods are moved to a welding positioning tool, the interval required by the scissor arms needs to be reserved between the two main rods. In the prior art, the automatic centralized material taking, feeding, interval placing and other operations of the main rod cannot be realized, and the efficiency of the scissor arm machining is directly influenced.

Disclosure of Invention

The invention aims to provide a power-assisted arm type automatic feeding tool to solve the problem of low processing efficiency of a scissor arm.

The invention relates to a power arm type automatic feeding tool which is realized as follows:

an arm-type autoloading frock of helping hand includes

The power assisting arm mechanism comprises a lower upright post, an upper upright post rotatably mounted at the top of the lower upright post, a hinged support mounted at the top of the upper upright post, a lifting arm hinged on the hinged support and capable of swinging up and down, an upper suspension arm rotatably mounted at the lower end of the lifting arm, and a lower suspension arm rotatably mounted at the lower end of the upper suspension arm;

the material taking mechanism is installed at the lower end of the lower suspension arm and comprises a hanging bracket and a plurality of slats arranged below the hanging bracket in parallel, a sliding plate is installed between the hanging bracket and the slats, the slats can be attached to the sliding plate and folded or unfolded in the arrangement direction of the sliding plate, the sliding plate can move in the direction perpendicular to the arrangement direction of the slats, and grabbing components are installed at two ends of each slat respectively.

Furthermore, a rotating component I is arranged between the lower upright post and the upper upright post,

rotating assembly I includes the swivel sleeve I with lower stand top fixed connection to and normal running fit be in swivel sleeve I and with the rotation axis I that the bottom of going up the stand links to each other, be connected with revolving cylinder I on the rotation axis I, revolving cylinder I's carousel with swivel sleeve I links to each other.

Furthermore, install the support frame on the last stand, the top of support frame articulates there is the lift cylinder, the top of the piston rod of lift cylinder with the upper end of lifing arm is articulated.

Furthermore, a rotating component II is arranged between the lifting arm and the upper suspension arm,

the rotating assembly II comprises a rotating sleeve II hinged to the lower end of the lifting arm and a rotating shaft II which is in rotating fit with the rotating sleeve II and connected with the upper suspension arm, a rotating cylinder II is connected onto the rotating sleeve II, and a rotary disc of the rotating cylinder II is connected with the rotating shaft II.

Further, a rotating component III is arranged in front of the upper suspension arm and the lower suspension arm,

the rotating assembly III comprises a rotating sleeve III connected with the upper suspension arm and a rotating shaft III which is arranged in the rotating sleeve III and connected with the lower suspension arm in a rotating mode in a rotating matching mode, a rotating cylinder III is connected onto the rotating shaft III, and a rotating disc of the rotating cylinder III is connected with the rotating sleeve III.

Furthermore, an operation frame is installed on the lower suspension arm, and an operation box is installed on the operation frame.

Further, the sliding plate is provided with strip-shaped holes which are the same in number and are arranged in the same direction as the strip plates, and each strip plate is provided with a pin capable of moving in the strip-shaped holes;

the strip-shaped holes are divided into two groups and are symmetrically arranged, and the end parts of the same side of all the strip-shaped holes are inwards inclined;

and in the strip-shaped holes in the same group, the inclination angle of the strip-shaped hole positioned on the outer side is greater than that of the strip-shaped hole positioned on the inner side, and the length of the strip-shaped hole positioned on the outer side is greater than that of the strip-shaped hole positioned on the inner side.

Further, the hanger comprises two side beams perpendicular to the slats, sliding rails I arranged in the same direction as the side beams are mounted at the bottoms of the side beams, and sliding blocks I matched with the sliding rails I are mounted on each slat;

the sliding plate is provided with a sliding cylinder, the telescopic direction of the sliding cylinder is the same as the length direction of the batten, and a piston rod of the sliding cylinder is connected with one side beam.

Furthermore, the hanger frame also comprises two end beams parallel to the battens, sliding rails II which are arranged in the same direction as the end beams are arranged on the inner walls of the end beams, and sliding blocks II matched with the sliding rails II are respectively arranged at the two ends of the sliding plate.

Furthermore, the grabbing component is an electromagnetic adsorption component, and the electromagnetic adsorption component comprises a magnetic adsorption block arranged below the batten and a pneumatic magnetic switch arranged on the outer side of the magnetic adsorption block;

pneumatic magnetic switch is including utilizing the connecting plate to install the switch support in the magnetism adsorbs the piece outside, and install switch support top and piston rod decurrent switch cylinder, the U type rack that the opening is decurrent is installed to switch cylinder's piston rod lower extreme, U type rack with the switch gear meshing of magnetism adsorbs the piece.

After the technical scheme is adopted, the invention has the beneficial effects that:

according to the invention, through the matching of the power-assisted arm mechanism and the material taking mechanism, the material taking and feeding of the main rod at a centralized placing point in the scissor arm processing process and the material placing on the welding positioning mechanism can be realized, the operation is simple and convenient, the scissor arm processing efficiency is improved, and the automation degree is high.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a block diagram of a power arm type autoloading tool in accordance with a preferred embodiment of the present invention;

FIG. 2 is a block diagram of a power arm type autoloading tool in accordance with a preferred embodiment of the present invention;

FIG. 3 is a block diagram of a material pick-up mechanism of the assist arm type autoloading tool in accordance with a preferred embodiment of the present invention;

FIG. 4 is a block diagram of a material taking mechanism (not provided with a hanger) of the power arm type automatic feeding tool according to the preferred embodiment of the invention;

FIG. 5 is an internal structural view of a gripper assembly of the assist arm type autoloading tool in accordance with a preferred embodiment of the present invention;

in the figure: the auxiliary arm mechanism 1, the lower upright post 11, the upper upright post 12, the hinged support 13, the lifting arm 14, the upper suspension arm 15, the lower suspension arm 16, the rotary sleeve I17, the rotary cylinder I18, the lower mounting plate I19, the upper mounting plate I110, the support frame 111, the lifting cylinder 112, the rotary sleeve II 113, the rotary cylinder II 114, the fixing frame 115, the upper mounting plate II 116, the counterweight plate 117, the auxiliary arm 118, the rotary sleeve III 119, the rotary cylinder III 120, the upper mounting plate III 121, the lower mounting plate III 122, the operating frame 123, the operating box 124, the limiting block 125, the material taking mechanism 2, the hanger 21, the slat 22, the sliding plate 23, the grabbing component 24, the strip-shaped hole 25, the pin column 26, the side beam 27, the slide rail I28, the slide block I29, the sliding cylinder 210, the end beam 211, the slide rail II, the slide block II 213, the inner beam 214, the magnetic adsorption block 215, the connecting plate 216, the switch support 217, the switch cylinder 218, the U-shaped rack 219 and the switch gear 220, spring 221, and adsorption groove 222.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1-5, a power-assisted arm type automatic feeding tool comprises a power-assisted arm mechanism 1 and a material taking mechanism 2, wherein the power-assisted arm mechanism 1 comprises a lower upright post 11, an upper upright post 12 rotatably mounted at the top of the lower upright post 11, a hinged support 13 mounted at the top of the upper upright post 12, a lifting arm 14 hinged on the hinged support 13 and capable of swinging up and down, an upper suspension arm 15 rotatably mounted at the lower end of the lifting arm 14, and a lower suspension arm 16 rotatably mounted at the lower end of the upper suspension arm 15; the material taking mechanism 2 is arranged at the lower end of the lower suspension arm 16, the material taking mechanism 2 comprises a hanging bracket 21 and a plurality of slats 22 arranged below the hanging bracket 21 in parallel, a sliding plate 23 is arranged between the hanging bracket 21 and the slats 22, the slats 22 can be attached to the sliding plate 23 to be folded or unfolded in the arrangement direction of the slats, the sliding plate 23 can move in the direction perpendicular to the arrangement direction of the slats 22, and grabbing components 24 are respectively arranged at two ends of each slat 22.

The bottom of the lower upright post 11 is provided with a base, and the lower upright post is fixed on the ground through the base, so that the upper upright post 12 and a part connected with the upper upright post 12 can freely rotate above the upper upright post, and a rotating assembly I is arranged between the lower upright post 11 and the upper upright post 12 for realizing the rotation of the upper upright post 12.

Concretely, rotating assembly I includes the swivel sleeve I17 with 11 top fixed connection of lower stand to and the rotation axis I (not shown in the figure) that normal running fit in swivel sleeve I17 and link to each other with the bottom of last stand 12, be connected with revolving cylinder I18 on the rotation axis I, revolving cylinder I18's carousel links to each other with swivel sleeve I17.

The swivel sleeve I17 is installed at the top of the lower upright post 11 through a flange structure, a lower mounting plate I19 is arranged outside the swivel sleeve I17, a rotary disc of a swivel cylinder I18 is fixed on the lower mounting plate I19, the swivel shaft I is fixed at the bottom of the upper upright post 12, an upper mounting plate I110 is arranged on the outer side of the swivel cylinder I18, and a cylinder body of the swivel cylinder I18 is fixed on the upper mounting plate I110.

In order to conveniently lift when the main rod is moved, a support frame 111 is installed on the upper upright post 12, a lifting cylinder 112 is hinged above the support frame 111, and the top of a piston rod of the lifting cylinder 112 is hinged with the upper end of the lifting arm 14.

In order to enable rotation between the lifting arm 14 and the upper boom 15, a rotation assembly ii is arranged between the lifting arm 14 and the upper boom 15.

Specifically, the rotating assembly ii comprises a rotating sleeve ii 113 hinged to the lower end of the lifting arm 14, and a rotating shaft ii (not shown in the figure) rotatably fitted in the rotating sleeve ii 113 and connected to the upper boom 15, the rotating sleeve ii 113 is connected to a rotating cylinder ii 114, and a turntable of the rotating cylinder ii 114 is connected to the rotating shaft ii.

The rotating sleeve II 113 is installed in the fixed frame 115, the lower end of the lifting arm 14 is hinged in the fixed frame 115, the cylinder body of the rotating cylinder II 114 is fixed on one side of the fixed frame 115, the rotating shaft II is provided with an upper mounting plate II 116, and the rotating disc of the rotating cylinder II 114 is fixedly connected with the upper mounting plate II 116.

The lifting arm 14 is hinged in a three-point mode, the upper end of the lifting arm is hinged with the lifting cylinder 112, the lower end of the lifting arm is hinged with the fixed frame 115, and the position between the two hinged points is hinged with the hinged support 13, so that the lower end of the lifting arm is driven by the lifting cylinder 112 to ascend or descend.

Preferably, the top end of the lifting arm 14 is provided with a weight plate 117.

Preferably, the lower side of the lifting arm 14 is provided with an auxiliary arm 118 parallel thereto, and the upper end of the auxiliary arm 118 is hinged to the hinge bracket 13 and the lower end thereof is hinged to the fixing frame 115.

In order to achieve rotation between the upper boom 15 and the lower boom 16, the upper boom 15 and the lower boom 16 are provided with a rotation assembly iii in front.

Specifically, the rotating assembly iii comprises a rotating sleeve iii 119 connected with the upper boom 15, and a rotating shaft iii (not shown in the figure) rotatably fitted in the rotating sleeve iii 119 and connected with the lower boom 16, wherein a rotating cylinder iii 120 is connected to the rotating shaft iii, and a rotating disc of the rotating cylinder iii 120 is connected with the rotating sleeve iii 119.

The rotating sleeve III 119 is connected with the lower end of the upper suspension arm 15 through a flange structure, an upper mounting plate III 121 is arranged on the rotating sleeve III 119, a rotating disc of the rotating cylinder III 120 is fixedly connected with the upper mounting plate III 121, a lower mounting plate III 122 is arranged on the rotating shaft III, and a cylinder body of the rotating cylinder III 120 is fixed on the lower mounting plate III 122.

In order to operate the whole feeding tool conveniently, the lower suspension arm 16 is provided with an operation frame 123, and the operation box 124 is arranged on the operation frame 123.

Preferably, the upper mounting plate i 110 and the upper mounting plate ii 116 are respectively provided with a pair of limiting blocks 125 for limiting the rotation angle of the upper boom 15 of the upper column 12.

In this embodiment, the slats 22 are four, and two slats 22 located on the same side are arranged in groups, two groups of slats 22 can move towards or away from each other, and two slats 22 in the same group can move towards the same direction, so as to realize the unfolding or folding of the slats 22.

In order to move the slats 22 against the slide plate 23, the slide plate 23 is provided with strip holes 25 which are arranged in the same number and the same direction as the slats 22, and each slat 22 is provided with a pin 26 which can move in the strip hole 25.

In order to ensure that the lath 22 is unfolded or folded in the moving process, the strip-shaped holes 25 are divided into two groups and are symmetrically arranged, and the end parts of the same side of all the strip-shaped holes 25 are inwards inclined.

Specifically, in the present embodiment, the sliding plate 23 is provided with four strip-shaped holes 25, the length direction of each of which is substantially the same as the length direction of the strip-shaped plate, but one side end of each of the four strip-shaped holes is inclined inward to a certain extent, when the pin 26 moves to the inwardly inclined end, the strip-shaped plates 22 are folded together, and when the pin 26 moves to the other end of the strip-shaped hole 25, the strip-shaped plates 22 are in the unfolded state.

The four strip-shaped holes 25 are symmetrically arranged in two groups, and each strip-shaped hole 25 corresponds to the pin 26 on the batten 22 one by one.

In order to realize the complete folding of the slats 22 and ensure the same interval between two adjacent slats 22, in the same group of the strip-shaped holes 25, the inclination angle of the strip-shaped hole 25 positioned on the outer side is greater than that of the strip-shaped hole 25 positioned on the inner side, and the length of the strip-shaped hole 25 positioned on the outer side is greater than that of the strip-shaped hole 25 positioned on the inner side.

The interval between the adjacent strip-shaped plates is the same when the strip-shaped plates are in the unfolding state, and the interval between the adjacent strip-shaped plates is the same when the strip-shaped plates are in the folding state.

Taking the four slats 22 of this embodiment as an example, when drawing in, two sets of slats 22 move towards each other, and the moving distance of the two slats 22 located inside is less than the distance of the two slats 22 located outside, so the inclination of the strip-shaped hole 25 matched with the two slats 22 on the outside is greater than the inclination of the strip-shaped hole 25 matched with the two slats 22 on the inside, and the length of the strip-shaped hole 25 matched with the two slats 22 on the outside is also greater than the length of the strip-shaped hole 25 matched with the two slats 22 on the inside.

In order to guide the lateral movement of the slats 22 in the arrangement direction, the hanger 21 comprises two side beams 27 perpendicular to the slats 22, slide rails I28 arranged in the same direction with the side beams 27 are mounted at the bottoms of the side beams 27, and a slide block I29 matched with the slide rails I28 is mounted on each slat 22.

Specifically, two sliding blocks II 213I 29 are respectively arranged on each slat 22 and are respectively matched with the sliding rails I28 below the two side beams 27, and the sliding blocks on the same side of the four slats 22 are positioned on the same straight line, so that the slats 22 cannot deviate in the length direction during transverse movement.

In order to provide power for folding or unfolding the slats 22, a sliding cylinder 210 is mounted on the sliding plate 23, the telescopic direction of the sliding cylinder 210 is the same as the length direction of the slats 22, and a piston rod of the sliding cylinder 210 is connected with one of the side beams 27.

Specifically, the sliding cylinder 210 is fixed in the middle of two sets of strip-shaped holes 25 through a mounting frame, and the end of the piston rod is connected with the inner wall of one side beam 27 through a connecting seat.

In this embodiment, the piston rod of the slide cylinder 210 is disposed in a direction opposite to the inward inclination direction of the strip-shaped hole 25, so that the slats 22 are folded inward when the piston rod is retracted and the slats 22 are unfolded outward when the piston rod is extended.

In the process of the expansion of the sliding cylinder 210, the sliding plate 23 translates, in order to guide the translation of the sliding plate 23, the hanger 21 further comprises two end beams 211 parallel to the lath 22, the inner walls of the end beams 211 are provided with sliding rails II 212 arranged in the same direction as the end beams 211, and two ends of the sliding plate 23 are respectively provided with sliding blocks II 213 matched with the sliding rails II 212.

Specifically, two ends of the sliding plate 23 are provided with mounting brackets, and the outer side surfaces of the mounting brackets are provided with sliding blocks II 213.

Preferably, the hanger 21 further comprises an inner beam 214 disposed between the two side beams 27, and the lower boom 16 is connected to the inner beam 214 by a pair of fixing plates.

In order to be able to grip the main bar of the scissor arm, the gripping assembly 24 is an electromagnetic attraction assembly comprising a magnetic attraction block 215 mounted below the slats 22, and a pneumatic magnetic switch arranged outside the magnetic attraction block 215.

The magnetic adsorption block 215 can utilize magnetism to absorb the mobile jib, and the pneumatic magnetic switch can realize the magnetic switch of the magnetic adsorption block 215, and the pneumatic magnetic switch is opened when absorbing the mobile jib, and the magnetic adsorption block 215 has magnetism, and the pneumatic magnetic switch is closed when placing the mobile jib, and the magnetic adsorption block 215 loses magnetism, and the mobile jib separates from the magnetic adsorption block 215.

In order to realize the magnetic automatic opening and closing of the magnetic adsorption block 215, the pneumatic magnetic switch comprises a switch bracket 217 which is arranged outside the magnetic adsorption block 215 by using a connecting plate 216, and a switch cylinder 218 which is arranged above the switch bracket 217 and has a downward piston rod, wherein a U-shaped rack frame 219 with a downward opening is arranged at the lower end of the piston rod of the switch cylinder 218, and the U-shaped rack frame 219 is meshed with a switch gear 220 of the magnetic adsorption block 215.

The magnetic adsorption blocks 215 are fixed at the bottoms of the two ends of the lath 22 by bolts, the connecting plates 216 are fixed at the two sides of the magnetic adsorption blocks 215, the switch bracket 217 is arranged between the connecting plates 216 and positioned at the outer side of the magnetic adsorption blocks 215, and the bottom of the switch bracket 217 is provided with a backing plate.

Preferably, the bolt is sleeved with a spring 221, so that the main rod can be conveniently grabbed and buffered in the placing process.

The inner wall of one side of the rack is provided with a rack structure meshed with the switch gear 220, and the rack is driven to descend and ascend through the extension and contraction of the piston rod, so that the switch gear 220 rotates, and the magnetic switch of the magnetic adsorption block 215 is realized.

In order to be able to match with the shape of the main lever, thereby ensuring stability in the main lever grabbing process, the lower surface of the magnetic adsorption block 215 is provided with an adsorption groove 222.

When the main rod is fed, the piston rod of the sliding cylinder 210 is in a contraction state, that is, the slats 22 are in a folding state, the material taking mechanism 2 is moved to a centralized placing point of the main rod by the operations of rotation, lifting and the like of each part of the power-assisted arm mechanism 1, each slat 22 is correspondingly matched above one main rod, the pneumatic magnetic switch of the magnetic adsorption block 215 is opened to enable the slat to have magnetism, so that the main rod is adsorbed by the magnetism, then the material taking mechanism 2 holding the main rod is moved to the upper part of the welding positioning tool by the rotation and lifting functions of the power-assisted arm mechanism 1, the piston rod of the sliding cylinder 210 extends at the moment, the slats 22 are unfolded to enable each main rod to correspond to the position of the welding positioning tool, then the main rod is correspondingly placed on the welding positioning tool, the pneumatic magnetic switch is closed, the magnetic adsorption block 215 is separated from the main rod, and the main rod can be subsequently processed on the welding positioning tool, the material taking mechanism 2 is driven by the power-assisted arm mechanism 1 to carry out the next material taking and feeding operation. Whole process operation is simple and convenient, realizes the quick pay-off of shear arm mobile jib, and degree of automation is high, has not only improved the machining efficiency of shear arm, can guarantee the follow-up welding position's of mobile jib precision moreover.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Arm-type autoloading frock of helping hand, its characterized in that includes

The power assisting arm mechanism (1) comprises a lower upright post (11), an upper upright post (12) rotatably mounted at the top of the lower upright post (11), a hinged support (13) mounted at the top of the upper upright post (12), a lifting arm (14) hinged to the hinged support (13) and capable of swinging up and down, an upper suspension arm (15) rotatably mounted at the lower end of the lifting arm (14), and a lower suspension arm (16) rotatably mounted at the lower end of the upper suspension arm (15);

the material taking mechanism (2), the material taking mechanism (2) is installed the lower extreme of lower davit (16), the material taking mechanism (2) includes gallows (21), and installs side by side a plurality of slats (22) of gallows (21) below, install slide block (23) between gallows (21) and slat (22), slat (22) can be laminated slide block (23) are drawn in or are expanded in its array orientation, slide block (23) can be in the perpendicular to slat (22) array orientation removes, and the subassembly (24) of snatching is installed respectively at the both ends of every slat (22).

2. The power arm type automatic feeding tool set forth in claim 1, wherein a rotating assembly I is arranged between the lower upright (11) and the upper upright (12),

rotating assembly I includes swivel sleeve I (17) with lower stand (11) top fixed connection to and normal running fit is in swivel sleeve I (17) and with the rotation axis I that the bottom of going up stand (12) links to each other, be connected with revolving cylinder I (18) on the rotation axis I, the carousel of revolving cylinder I (18) with swivel sleeve I (17) link to each other.

3. The power-assisted arm type automatic feeding tool of claim 1, wherein a support frame (111) is mounted on the upper upright post (12), a lifting cylinder (112) is hinged above the support frame (111), and the top of a piston rod of the lifting cylinder (112) is hinged to the upper end of the lifting arm (14).

4. The power arm automatic feeding tool of claim 1, wherein a rotating assembly II is arranged between the lifting arm (14) and the upper suspension arm (15),

the rotating assembly II comprises a rotating sleeve II (113) hinged to the lower end of the lifting arm (14) and a rotating shaft II which is in rotating fit with the rotating sleeve II (113) and connected with the upper lifting arm (15), a rotating cylinder II (114) is connected onto the rotating sleeve II (113), and a rotary table of the rotating cylinder II (114) is connected with the rotating shaft II.

5. The power arm automatic feeding tool of claim 1, characterized in that the upper boom (15) and the lower boom (16) are provided with a rotating assembly III in front,

the rotating assembly III comprises a rotating sleeve III (119) connected with the upper suspension arm (15), and a rotating shaft III which is arranged in the rotating sleeve III (119) and connected with the lower suspension arm (16) in a rotating matching mode, a rotating cylinder III (120) is connected onto the rotating shaft III, and a rotating disc of the rotating cylinder III (120) is connected with the rotating sleeve III (119).

6. The power arm type automatic feeding tool of claim 1, wherein an operation frame (123) is mounted on the lower suspension arm (16), and an operation box (124) is mounted on the operation frame (123).

7. The power-assisted arm type automatic feeding tool of claim 1, wherein the sliding plate (23) is provided with strip-shaped holes (25) which are the same in number and are arranged in the same direction as the strip plates (22), and each strip plate (22) is provided with a pin column (26) capable of moving in the strip-shaped hole (25);

the strip-shaped holes (25) are divided into two groups and are symmetrically arranged, and the end parts of the strip-shaped holes (25) on the same side are inclined inwards;

in the strip-shaped holes (25) in the same group, the inclination angle of the strip-shaped hole (25) positioned on the outer side is larger than that of the strip-shaped hole (25) positioned on the inner side, and the length of the strip-shaped hole (25) positioned on the outer side is larger than that of the strip-shaped hole (25) positioned on the inner side.

8. The power-assisted arm type automatic feeding tool of claim 1, wherein the hanger (21) comprises two side beams (27) perpendicular to the slats (22), slide rails I (28) arranged in the same direction as the side beams (27) are mounted at the bottoms of the side beams (27), and a slide block I (29) matched with the slide rails I (28) is mounted on each slat (22);

a sliding cylinder (210) is mounted on the sliding plate (23), the telescopic direction of the sliding cylinder (210) is the same as the length direction of the lath (22), and a piston rod of the sliding cylinder (210) is connected with one of the side beams (27).

9. The power-assisted arm type automatic feeding tool of claim 1, wherein the hanger (21) further comprises two end beams (211) parallel to the lath (22), a sliding rail II (212) arranged in the same direction as the end beams is mounted on the inner wall of the end beams (211), and sliding blocks II (213) matched with the sliding rail II (212) are respectively mounted at two ends of the sliding plate (23).

10. The power arm type automatic feeding tool of claim 1, wherein the grabbing component (24) is an electromagnetic adsorption component, the electromagnetic adsorption component comprises a magnetic adsorption block (215) installed below the slat (22), and a pneumatic magnetic switch arranged outside the magnetic adsorption block (215);

the pneumatic magnetic switch comprises a switch support (217) which is installed on the outer side of the magnetic adsorption block (215) by using a connecting plate (216), and a switch cylinder (218) which is installed above the switch support (217) and has a downward piston rod, wherein a U-shaped rack frame (219) with a downward opening is installed at the lower end of the piston rod of the switch cylinder (218), and the U-shaped rack frame (219) is meshed with a switch gear (220) of the magnetic adsorption block (215).