CN217296151U

CN217296151U - Automatic feeding machine for grid stirrups

Info

Publication number: CN217296151U
Application number: CN202220050472.8U
Authority: CN
Inventors: 刘付钧; 刘紫敬; 李祖保; 胡传明; 江青华; 曾知超; 方洪飞
Original assignee: RBS Partners S&T Co Ltd
Current assignee: RBS Partners S&T Co Ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-26
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a graticule mesh stirrup automatic feeding machine, one side has set firmly the slip subassembly on the chassis, slip subassembly and first lower equipment frame sliding connection, the chassis opposite side passes through mounting and second lower equipment frame fixed connection, all is equipped with upper equipment frame and stirrup transport mechanism on first lower equipment frame and the second lower equipment frame, has set firmly stirrup activity supporting mechanism on the upper equipment frame, stirrup activity supporting mechanism and stirrup transport mechanism parallel arrangement, the utility model discloses promote work efficiency greatly, improve operational environment, realize 24 hours production incessant day by day, realize full automatization high efficiency production, promoted industry sustainable development; the automatic feeding device has the advantages that personal safety of operators is protected, the distance can be automatically adjusted according to incoming materials and product model specifications, products of various specifications are compatible, and feeding actions are stable and reliable.

Description

Automatic feeding machine for grid stirrups

Technical Field

The utility model belongs to the technical field of construction steel bar welding equipment technique and specifically relates to a graticule mesh stirrup automatic feeding machine ware is related to.

Background

The grid stirrup is formed by arranging and jointing longitudinal steel bars and transverse steel bars at certain intervals respectively to form a grid, and all joint points form a welded steel bar mesh through resistance pressure welding meeting specific requirements and are used as stirrups of reinforced concrete members. The formed grid stirrup is used as a shear steel bar of a reinforced concrete beam, is listed in multi-national specifications abroad, has more engineering applications, and is mainly used as a 'rib' in reinforced concrete in the field of buildings in China to increase the strength and toughness of the concrete.

In the traditional building industry, grid stirrups used in a building need to be manually fed, a large amount of manual working hours need to be consumed, the working environment is severe, the physical health of workers is influenced, the working intensity is high, the efficiency is low, and the grid stirrups need to be manually placed one by one; in prior art, some automation equipment are in order to realize the automatic material loading of graticule mesh stirrup, the transport, need to put grouped graticule mesh stirrup earlier on a platform that easily carries out the side direction location operation, accomplish to be positioned, whole slowly fall on conveying mechanism again, realize the work of carrying behind the location of stirrup group, if the stirrup does not place in advance on a holding surface, conveying mechanism can't insert the graticule mesh stirrup and carry out subsequent transport, and do not carry out and directly transfer conveying mechanism with grouped graticule mesh stirrup through certain buffering and support, the unloading speed of the unitized stirrup of uncontrollable, be unfavorable for the transport of follow-up graticule mesh stirrup.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic feeding machine for grid stirrups, which comprises a bottom frame, a sliding component, a first lower equipment frame, a second lower equipment frame, an upper equipment frame, a stirrup conveying mechanism and a stirrup movable supporting mechanism, wherein the sliding component is fixedly arranged on one side of the bottom frame, the sliding component is connected with the first lower equipment frame in a sliding way, the other side of the bottom frame is fixedly connected with the second lower equipment frame through a fixing part, the first lower equipment frame and the second lower equipment frame are both provided with the upper equipment frame and the stirrup conveying mechanism, the upper equipment frame is fixedly provided with the stirrup movable supporting mechanism, the stirrup movable supporting mechanism is arranged in parallel with the stirrup conveying mechanism, the stirrup conveying mechanism comprises an installation bottom plate, a movement guide rail, an installation platform, a walking motor, a cantilever component, a conveying motor and a conveying chain, the parallel movement guide rail is fixedly arranged on the installation bottom plate, the utility model discloses a cantilever assembly, including motion guide rail, mount table, cantilever assembly, transport chain, mount table upper end fixed mounting has the transport motor, the output and the transmission of transport chain one end of transport motor are connected, the transport chain other end with cantilever assembly transmission is connected, cantilever assembly set firmly in on the mount table, cantilever assembly's top height is less than the top height of transport chain.

Preferably, the stirrup movable supporting mechanism comprises a fixed seat, a first rotating shaft, a rotating arm, a swinging connecting rod, a second rotating shaft, a telescopic cylinder and a limiting assembly, the fixed seat is fixedly arranged on the upper equipment frame, the fixed seat is 2N +1 groups arranged side by side, N is a positive integer, the first rotating shaft capable of rotating penetrates through the fixed seat, one end of the first rotating shaft extends into the lower end of the rotating arm and is fixedly connected with the lower end of the rotating arm, a through hole is formed in the upper end of the rotating arm, the second rotating shaft is fixedly penetrated through the through hole, one end of the second rotating shaft is inserted into the swinging connecting rod and is rotatably connected with the second rotating shaft, and the other end of the second rotating shaft is rotatably connected with the output end of the telescopic cylinder through a fisheye joint; the limiting assembly is an N +1 group which is arranged side by side, and the limiting assembly is attached to and limited by the rotating arm in the vertical direction.

Preferably, an avoiding groove is formed in the swinging connecting rod and is step-shaped.

Preferably, the limiting assembly comprises a limiting block and a limiting screw, the limiting block is fixedly arranged on the upper equipment frame, the limiting screw is fixedly arranged on the limiting block, and one end of the limiting screw is in contact with the vertical direction of the rotating arm.

Preferably, the cantilever assembly comprises a left cantilever and a right cantilever, the left cantilever and the right cantilever are respectively arranged at two sides of the carrying chain, and a gap is reserved between the left cantilever and the right cantilever and the carrying chain.

Preferably, a first bearing is arranged in the fixed seat, and the first rotating shaft and the first bearing are installed in a matched mode.

Preferably, a second bearing is arranged in the swing connecting rod, and the second rotating shaft is installed in a matching manner with the second bearing.

Preferably, an annular convex part is arranged on the second rotating shaft and is arranged between the rotating arm and the swinging connecting rod.

Preferably, a transmission rack is arranged on the inner side of the moving guide rail, the transmission rack is fixedly connected with the mounting bottom plate, the transmission rack is meshed with the transmission gear, a mounting hole is formed in the center of the transmission gear, and the output end of the walking motor is connected with the mounting hole in an adaptive mode.

Preferably, the two ends of the mounting bottom plate are oppositely and fixedly provided with a stop block, and the inward end of the stop block is attached with a buffer block.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses simple structure, through set firmly the slip subassembly on one side on the chassis, slip subassembly and first lower equipment frame sliding connection, the chassis opposite side passes through mounting and second lower equipment frame fixed connection, all be equipped with upper equipment frame and stirrup transport mechanism on first lower equipment frame and the second lower equipment frame, the upper equipment frame has set firmly stirrup activity supporting mechanism, stirrup activity supporting mechanism and stirrup transport mechanism parallel arrangement, and then promote work efficiency, improve operational environment, realize 24 hours uninterrupted production throughout the day, realize full automatization high efficiency production, promoted industry sustainable development; the personal safety of operators is protected, the distance can be automatically adjusted according to the specifications of incoming materials and product models, the products with various specifications are compatible, and the feeding action is stable and reliable;

(2) the utility model discloses a set up stirrup transport mechanism, the top height of its cantilever subassembly is less than the top height of transport chain, and the contact surface of steel framework upper portion and transport chain is unified height, can guarantee like this that steel framework can transport smoothly along the transport chain towards the direction of transport motor in work, and steel framework can not press on cantilever subassembly, avoids contacting between steel framework and the cantilever subassembly and produces the noise in the transportation, influences operational environment, can adapt to steel framework size and be greater than all specifications of cantilever subassembly, and extensive applicability, and can once carry multiunit graticule mesh stirrup;

(3) the utility model discloses a set up stirrup activity supporting mechanism, when its telescopic cylinder stretches out, it becomes the vertical state with the swinging boom to drive the second rotation axis, the swinging boom supports and locates on spacing screw this moment, guarantee the perpendicular effect of swinging boom, then unitized stirrup carries out the unloading along the swing connecting rod in proper order, the tip of stirrup is put into smoothly and is dodged the inslot, make the stirrup wholly place steadily, unitized stirrup unloading finishes, telescopic cylinder slowly retracts again, it is rotatory to the tilt state to drive the swinging boom, second rotation axis and first rotation axis synergism this moment, drive the perpendicular slow decline of swing connecting rod, unitized stirrup is the slow decline in step also, unitized stirrup has not only obtained the buffering of unloading, telescopic cylinder also can control its unloading speed, high durability and convenient use.

Drawings

Fig. 1 is the overall structure schematic diagram of the telescopic cylinder when extending out.

Fig. 2 is a front view of the telescopic cylinder of the present invention when it is extended.

Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 4 is a schematic view of the overall structure of the telescopic cylinder when retracting.

Fig. 5 is a front view of the telescopic cylinder of the present invention when retracted.

Fig. 6 is an enlarged view of the position B in fig. 5 according to the present invention.

Fig. 7 is the perspective structure schematic diagram of the stirrup conveying mechanism of the present invention.

Fig. 8 is a schematic view of the three-dimensional structure of the stirrup conveying mechanism of the present invention.

Fig. 9 is a right side view of fig. 7 according to the present invention.

Fig. 10 is an enlarged view of the utility model at C in fig. 8.

Fig. 11 is a schematic structural view of the telescopic cylinder of the stirrup movable supporting mechanism of the present invention when it extends out.

Fig. 12 is a top view of the telescopic cylinder of the stirrup movable supporting mechanism of the present invention when it is extended.

Fig. 13 is a schematic structural view of the retractable cylinder of the stirrup movable support mechanism of the present invention when it retracts.

Fig. 14 is a schematic structural view of the telescopic cylinder of the present invention cut along the joint portion of the fisheye when the telescopic cylinder is extended.

Fig. 15 is an enlarged view of the position D in fig. 11 according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 15, an automatic feeder for grid stirrups includes an underframe 1, a sliding assembly 2, a first lower equipment frame 3, a second lower equipment frame 4, an upper equipment frame 5, a fixing member 6, a mounting base plate 7, a moving guide rail 8, a mounting table 9, a traveling motor 10, a carrying motor 11, a carrying chain 12, a left cantilever 13, a right cantilever 14, a driving rack 15, a transmission gear 16, a stopper 17, a buffer block 18, a T-shaped mounting block 19, a carrying gear 20, a cantilever assembly 21, a transmission shaft 22, a fixing seat 23, a first rotating shaft 24, a rotating arm 25, a swinging connecting rod 26, a second rotating shaft 27, a telescopic cylinder 28, a stopper 29, a stopper screw 30, an avoidance groove 31, a fisheye joint 32, a first bearing 33, a second bearing 34, an annular convex portion 35, and a grid stirrup 36.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The sliding component 2 is fixedly arranged on one side of the bottom frame 1 (the sliding component 2 is a common component on the market, such as a sliding rail, a drag chain, etc., but is not an innovation point of the utility model, so the utility model does not describe the specific structure of the sliding component 2 in detail), the sliding component 2 is connected with the first lower equipment frame 3 in a sliding way, the other side of the bottom frame 1 is fixedly connected with the second lower equipment frame 4 through the fixing component 6, in the embodiment, it is explained that the second lower equipment frame 4 and the bottom frame 1 can also use another group of sliding component 2 to be connected in a sliding way to finely adjust the position of the second lower equipment frame 4, in order to better realize the automatic feeding of the grid stirrups 36, the first lower equipment frame 3 on one side is moved for the convenience of work to adapt to the adjustment of the grid stirrups 36 with different specifications, the second lower equipment frame 4 on the other side is fixed with the bottom frame 1 relative to the subsequent adjustment of the grid stirrups 36 by the first lower equipment frame 3, the second lower equipment frame 4 is fixed and does not move, the first lower equipment frame 3 and the second lower equipment frame 4 are both provided with an upper equipment frame 5 and a stirrup conveying mechanism, the upper equipment frame 5 is fixedly provided with a stirrup movable supporting mechanism, and the stirrup movable supporting mechanism is arranged in parallel with the stirrup conveying mechanism.

The stirrup conveying mechanism comprises an installation bottom plate 7, a moving guide rail 8, an installation platform 9, a walking motor 10, a cantilever assembly 21, a conveying motor 11 and a conveying chain 12, wherein the parallel moving guide rail 8 is fixedly arranged on the installation bottom plate 7, the installation platform 9 is connected on the moving guide rail 8 in a sliding way, the walking motor 10 is fixedly arranged on one side of the installation platform 9, the conveying motor 11 is fixedly arranged at the upper end of the installation platform 9, the output end of the conveying motor 11 is in transmission connection with one end of the conveying chain 12, the other end of the conveying chain 12 is in transmission connection with the cantilever assembly 21, the cantilever assembly 21 is fixedly arranged on the installation platform 9, the top height of the cantilever assembly 21 is lower than the top height of the conveying chain 12, the contact surface of the upper part of the grid stirrups 36 and the conveying chain 12 is uniform in height, so that the grid stirrups 36 can be smoothly conveyed towards the conveying motor 11 along the conveying chain 12 in work, and the grid stirrups 36 cannot be pressed on the cantilever assembly 21, avoid contact noise production in the transportation between graticule mesh stirrup 36 and the cantilever assembly 21, influence operational environment, can adapt to graticule mesh stirrup 36 size and be greater than all specifications of cantilever assembly 21, extensive applicability.

The boom assembly 21 includes a left boom 13 and a right boom 14, and the left boom 13 and the right boom 14 are respectively disposed on both sides of the carrying chain 12 and spaced apart from the carrying chain 12.

The two ends of the mounting base plate 7 are oppositely and fixedly provided with the check blocks 17, and the inward end of each check block 17 is provided with the buffer block 18 in an attached mode, so that the movement of the mounting platform 9 on the movement guide rail 7 is effectively limited and reminded.

The inner side of the moving guide rail 8 is provided with a transmission rack 15, the transmission rack 15 is fixedly connected with the mounting bottom plate 7, the transmission rack 15 is meshed with a transmission gear 16, the center of the transmission gear 16 is provided with a mounting hole, and the output end of the walking motor 10 is in adaptive connection with the mounting hole.

The working principle of the stirrup conveying mechanism is as follows: walking motor 10 drive gear 16 drives whole back and forth walking motion of doing along driving rack 15 on motion guide rail 8, walk the transport position back according to the field work instruction, graticule mesh stirrup 36 transports to the transport chain 12 that is close to transport gear 20 one end on, transport motor 11 begins work, place the automatic forward movement of graticule mesh stirrup 36 on transport chain 12, carry graticule mesh stirrup 36 on to transport chain 6 entirely, with this automatic transport of graticule mesh stirrup 36 has been realized, and cantilever subassembly 21 and the length of transport chain 12 can be customized according to concrete job site, can once carry a plurality of graticule mesh stirrups 36.

The hoop reinforcement movable supporting mechanism comprises a fixed seat 23, a first rotating shaft 24, a rotating arm 25, a swinging connecting rod 26, a second rotating shaft 27, a telescopic cylinder 28 and a limiting component, wherein the fixed seat 23 is fixedly arranged on the upper equipment frame 5, the fixed seat 23 is a 2N +1 group which is arranged side by side, N is a positive integer, the fixed seat 23 is provided with the rotatable first rotating shaft 24 in a penetrating way, one end of the first rotating shaft 24 extends into the lower end of the rotating arm 25 and is fixedly connected with the lower end of the rotating arm, the upper end of the rotating arm 25 is provided with a through hole, a fixed second rotating shaft 27 is arranged in the through hole in a penetrating way, one end of the second rotating shaft 27 is inserted into the swinging connecting rod 26 and is rotatably connected with the swinging connecting rod, in the embodiment, the telescopic cylinder 28 is one, the telescopic cylinder can be rotatably connected with the second rotating shaft 27 of the (namely, the second rotating shaft 27 arranged at the central position) of the N +1 group to meet the general work requirements, in-practice, a plurality of telescopic cylinders 28 can be selected to be installed to work synchronously according to the factors such as the quality of the grid reinforcements 36 on-site, the utility model is not limited; the other end of the second rotating shaft 27 is rotatably connected with the output end of the telescopic cylinder 28 through a fisheye joint 32; spacing subassembly is for the N +1 group that sets up side by side, and spacing subassembly pastes mutually outward with the vertical direction of swinging boom 25 and establishes and spacing, and spacing subassembly sets up with fixing base 23 looks interval, can reach the best limiting displacement like this, also can reduce device's manufacturing cost.

Offer on the swing connecting rod 26 and dodge groove 31, dodge groove 31 and be the step form, because its tip of reinforcing bar in the graticule mesh stirrup 36 can be out of shape a little at the in-process that cuts, set up the groove 31 of dodging of step form and can let graticule mesh stirrup 36 wholly place the level completely, its tip can not be shelved in order to raise whole make graticule mesh stirrup 36 put unstable, improves the accuracy that graticule mesh stirrup 36 put.

The limiting assembly comprises a limiting block 29 and a limiting screw 30, the limiting block 29 is fixedly arranged on the upper equipment frame 5, the limiting screw 30 is fixedly arranged on the limiting block 29, and one end of the limiting screw 30 is in contact with the vertical direction of the rotating arm 25.

A first bearing 33 is arranged in the fixed seat 23, and the first rotating shaft 24 is installed in a matching way with the first bearing 33; the swing link 26 is provided with the second bearing 34, the second rotating shaft 27 is installed in a matching way with the second bearing 34, friction between the fixed seat 23 and the first rotating shaft 24 and between the swing link 26 and the second rotating shaft 34 is reduced, rotation is smoother, energy consumption is reduced, the first rotating shaft 24 and the second rotating shaft 34 can be protected, and the first rotating shaft 24 and the second rotating shaft 34 can be kept at correct positions for working.

An annular protrusion 35 is provided on the second rotation shaft 27, and the annular protrusion 35 is provided between the rotation arm 25 and the swing link 26.

The working principle of the stirrup movable supporting mechanism is as follows: telescopic cylinder 28 stretches out, it becomes vertical state with swinging boom 25 to drive second rotation axis 27, swinging boom 25 supports and locates on stop screw 20 this moment, guarantee the vertical effect of swinging boom 25, then carry out the unloading along swing connecting rod 26 in proper order with unitized graticule mesh stirrup 36, the tip of stirrup is put into smoothly and is dodged in the groove 9, make the stirrup wholly place steadily, wait that unitized graticule mesh stirrup 36 unloading finishes, telescopic cylinder 28 slowly retracts again, it is rotatory to the tilt state to drive swinging boom 25, second rotation axis 27 and first rotation axis 24 synergism this moment, drive swing connecting rod 26 and descend slowly perpendicularly, unitized mesh stirrup 36 also descends slowly in step, unitized mesh stirrup 36 has not only obtained the buffering of unloading, telescopic cylinder 28 also can control its unloading speed.

The utility model discloses a theory of operation does: manually operating the travelling crane to drop the grouped grid stirrups 36 to a position 10-30mm away from the upper surface of the swing connecting rod 26 on the first lower equipment frame 3, and simultaneously abutting against a stirrup conveying mechanism on the first lower equipment frame 3 (when the specification of the grid stirrups 36 is changed, the moving distance of the first lower equipment frame 3 is adjusted), slightly adjusting the second lower equipment frame 4 to a fixed position by using a manually operating machine, wherein the second lower equipment frame 4 is used for abdicating during travelling crane blanking; the manually operated travelling crane continues to descend, meanwhile, the telescopic cylinder 28 extends out, the whole rotating arm 25 is in a vertical state, the grid stirrups 36 fall on the swinging connecting rod 26, and the end parts of the grid stirrups 36 fall in the avoidance grooves 31;

the driving is taken out, graticule mesh stirrup 36 is inserted to stirrup transport mechanism's cantilever subassembly, telescopic cylinder 28 withdrawal, slow withdrawal, it is rotatory to the tilt state to drive swinging boom 25, and drive the perpendicular slow decline of swing connecting rod 26, grouped graticule mesh stirrup 36 also slowly falls to on being close to the transport chain 12 of transport gear 20 one end in step, transport motor 11 begins work, place the automatic forward movement of graticule mesh stirrup 36 on transport chain 12, carry graticule mesh stirrup 36 whole to transport chain 6 on, stirrup transport mechanism moves a distance and next station butt joint forward again, realize automatic feeding.

The utility model integrally improves the working efficiency of feeding grid stirrups 36, improves the working environment, realizes uninterrupted production for 24 hours all day long, realizes full-automatic high-efficiency production, and promotes the sustainable development of the industry; the automatic feeding device has the advantages that personal safety of operators is protected, the distance can be automatically adjusted according to incoming materials and product model specifications, products of various specifications are compatible, and feeding actions are stable and reliable.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides a graticule mesh stirrup automatic feeding machine which characterized in that: including chassis (1), slip subassembly (2), equipment rack (3) under first, second equipment rack (4), go up equipment rack (5), stirrup transport mechanism and stirrup activity supporting mechanism, one side has set firmly slip subassembly (2) on chassis (1), slip subassembly (2) and first equipment rack (3) sliding connection down, chassis (1) opposite side passes through mounting (6) and second equipment rack (4) fixed connection down, all be equipped with equipment rack (5) and stirrup transport mechanism on equipment rack (4) under first equipment rack (3) and the second, it has set firmly stirrup activity supporting mechanism on equipment rack (5) to go up, stirrup activity supporting mechanism and stirrup transport mechanism parallel arrangement, stirrup transport mechanism includes mounting plate (7), motion guide rail (8), mount table (9), walking motor (10), Cantilever subassembly (21), transport motor (11) and transport chain (12), fixed motion guide rail (8) that are equipped with the parallel on mounting plate (7), it has mount table (9) to slide on motion guide rail (8), mount table (9) one side fixed mounting has walking motor (10), mount table (9) upper end fixed mounting has transport motor (11), the output and the transmission of transport chain (12) one end of transport motor (11) are connected, transport chain (12) the other end with cantilever subassembly (21) transmission is connected, cantilever subassembly (21) set firmly in on mount table (9), the top height of cantilever subassembly (21) is less than the top height of transport chain (12).

2. The automatic feeder of grid stirrups of claim 1, characterized in that: the hoop movable supporting mechanism comprises a fixed seat (23), a first rotating shaft (24), a rotating arm (25), a swinging connecting rod (26), a second rotating shaft (27), a telescopic cylinder (28) and a limiting assembly, the upper equipment frame (5) is fixedly provided with a fixed seat (23), the fixed seat (23) is a group of 2N +1 arranged side by side, N is a positive integer, a rotatable first rotating shaft (24) penetrates through the fixed seat (23), one end of the first rotating shaft (24) extends into the lower end of the rotating arm (25) and is fixedly connected with the rotating arm, a through hole is arranged at the upper end of the rotating arm (25), a fixed second rotating shaft (27) is arranged in the through hole in a penetrating way, one end of the second rotating shaft (27) is inserted into the swing connecting rod (26) and is rotatably connected with the swing connecting rod, the other end of the second rotating shaft (27) is rotatably connected with the output end of the telescopic cylinder (28) through a fisheye joint (32); the limiting assembly is an N +1 group which is arranged side by side, and the limiting assembly and the vertical direction of the rotating arm (25) are attached to each other and are limited.

3. The automatic feeder of grid stirrups of claim 2, characterized in that: an avoiding groove (31) is formed in the swinging connecting rod (26), and the avoiding groove (31) is step-shaped.

4. The automatic feeder of grid stirrups of claim 2, characterized in that: the limiting assembly comprises a limiting block (29) and a limiting screw (30), the limiting block (29) is fixedly arranged on the upper equipment frame (5), the limiting block (29) is fixedly provided with the limiting screw (30), and one end of the limiting screw (30) is in contact with the vertical direction of the rotating arm (25).

5. The automatic feeder of grid stirrups of claim 1, characterized in that: cantilever subassembly (21) includes left cantilever (13) and right cantilever (14), left side cantilever (13) and right cantilever (14) are located respectively transport chain (12) both sides, and with keep having the gap between transport chain (12).

6. The automatic feeder of grid stirrups of claim 2, characterized in that: a first bearing (33) is arranged in the fixed seat (23), and the first rotating shaft (24) and the first bearing (33) are installed in a matched mode.

7. The automatic feeder of grid stirrups of claim 2 or 6, characterized in that: and a second bearing (34) is arranged in the swinging connecting rod (26), and the second rotating shaft (27) and the second bearing (34) are installed in a matching way.

8. The automatic feeder of grid stirrups of claim 7, characterized by: an annular convex part (35) is arranged on the second rotating shaft (27), and the annular convex part (35) is arranged between the rotating arm (25) and the swinging connecting rod (26).

9. The automatic feeder of grid stirrups of claim 1, characterized in that: the utility model discloses a walking motor, including motion guide rail (8), motion guide rail (8) inboard is equipped with driving rack (15), driving rack (15) and mounting plate (7) fixed connection, driving rack (15) mesh mutually with drive gear (16), drive gear (16) center is equipped with the mounting hole, the output of walking motor (10) with the mounting hole adaptation is connected.

10. The automatic feeder of grid stirrups of claim 1 or 9, characterized in that: two ends of the mounting bottom plate (7) are oppositely and fixedly provided with a stop block (17), and one inward end of the stop block (17) is attached with a buffer block (18).