CN113955514B

CN113955514B - Automatic feeding method suitable for AGV trolley

Info

Publication number: CN113955514B
Application number: CN202111353140.3A
Authority: CN
Inventors: 郑羿豪
Original assignee: Oak Technology Industry Suzhou Co ltd
Current assignee: Oak Technology Industry Suzhou Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2023-06-30
Anticipated expiration: 2041-11-16
Also published as: CN113955514A; CN117800102A; CN116902605A

Abstract

The invention relates to an automatic feeding method suitable for an AGV trolley, which comprises the following steps: s1, conveying a material box; s2, pouring; s3, exiting the empty box. According to the automatic overturning device, on one hand, the AGV trolley automatically overturns the feed box to pour the bar, the overturning is stable, the bar is ensured to fall on the feeding platform completely, and the labor intensity and the labor cost are reduced; on the other hand, the automatic empty box exiting is realized, so that the AGV trolley can timely perform the next feeding action, and the production efficiency is effectively improved; simultaneously, the opening orientation is unchanged when the empty box withdraws, is convenient for the next material preparation.

Description

Automatic feeding method suitable for AGV trolley

Technical Field

The invention belongs to the technical field of feeding, and particularly relates to an automatic feeding method suitable for an AGV trolley.

Background

The existing centerless grinding machine is generally provided with two grinding wheels, namely a guide wheel and a grinding wheel, wherein the guide wheel drives a cylindrical workpiece to rotate on a sizing block, and the grinding wheel plays a role in grinding the workpiece.

At present, in order to ensure stable and continuous production, a feeding platform of a centerless grinder needs to be ensured to leave enough bars, that is, workers need to pay attention to the allowance of the bars on the feeding platform in time, if the bars are insufficient, the bars need to be supplemented in time, and the feeding box filled with the bars is quite heavy and is completely carried to the grinder from a material preparation area by manpower obviously unrealistic, so that enterprises generally adopt AGV trolleys to realize the transportation of the feeding box between the material preparation area and the grinder.

However, the existing AGV trolley is prone to the following technical problems:

1. the function of conveying the feed box to the centerless grinder can be realized, and in the actual production process, a worker is required to take down the heavy feed box from the AGV trolley and pour bar stock to a feeding platform of the centerless grinder, so that the labor intensity is high and the labor cost is high;

2. in order to enable the AGV trolley to perform the next feeding action, workers are required to pay attention to the feeding condition of the AGV trolley and take off the empty box in time, so that labor cost is increased, and feeding efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a brand new automatic feeding method suitable for an AGV trolley.

In order to solve the technical problems, the invention adopts the following technical scheme:

an automatic feeding method suitable for an AGV trolley comprises the following steps:

s1, conveying a material box

The AGV trolley moves to a material preparation area of the bar according to the instruction, receives a material box from the material preparation area and conveys the material box to one side of a feeding platform of the centerless grinder;

s2, pouring

Firstly, an AGV trolley moves a feed box to the position above a feeding platform of a centerless grinder, then closes an opening of the feed box, turns the feed box to the position that the opening of the feed box faces downwards, and then opens the opening of the feed box to enable bar stocks to roll off from the opening of the feed box to the feeding platform;

s3, exiting the empty box

And overturning the empty box after the bar stock is emptied, so that the opening direction of the empty box is kept the same as that before overturning, and transferring and outputting the empty box.

Preferably, at least two bins are received by the AGV at a time when the bins are received from the stock area.

According to one specific and preferred aspect of the present invention, an AGV cart for use in an autoloading method includes:

the traveling mechanism is used for traveling of the AGV trolley;

the working platform is provided with a material box transmission area, a material box dumping area and an empty box withdrawing area, wherein the material box transmission area is aligned with the material box dumping area, and the empty box withdrawing area is correspondingly arranged below the material box transmission area;

a frame mounted on the work platform;

the material box conveying belt is arranged in the material box conveying area;

the material box pouring mechanism is arranged in the material box pouring area and comprises a material box moving unit and a material box overturning unit;

the empty box conveying belt is arranged in the empty box exiting area, the material box conveying belt and the empty box conveying belt are arranged in parallel, and the output end part of the material box conveying belt and the receiving end part of the empty box conveying belt are positioned on the same side;

the bin shifting mechanism is movably arranged between the bin conveying area and the empty bin exiting area and can be used for carrying bins between the bin conveying belt, the bin dumping mechanism and the empty bin conveying belt.

Preferably, the bin conveying belt and the empty bin conveying belt have the same structure, wherein the bin conveying belt comprises a conveying roller way horizontally arranged and two first guide plates respectively arranged on two sides of the conveying roller way, and the bin passes through the space between the two first guide plates along the conveying roller way. The arrangement ensures that the feed box is stably transported along the transport roller way and is prevented from falling.

Preferably, the material box pouring mechanism comprises a material box moving unit and a material box overturning unit, wherein the material box moving unit comprises a moving seat movably arranged on the frame and a first driving assembly connected to the moving seat, and a turnover area for overturning the material box is formed on the moving seat; the workbin upset unit includes turnover seat, second drive assembly, and gate subassembly, wherein the turnover seat rotates to be connected in the upset district and is formed with the location chamber that is used for fixing a position the workbin, and still have the discharge gate that sets up relatively with the opening of the workbin in the location chamber on the turnover seat, the second drive assembly is connected with the turnover seat and order about the turnover seat upset setting, gate subassembly is adjustably set up in discharge gate department, and the workbin upset is to the state of pouring, gate subassembly opens the discharge gate, the workbin resets, gate subassembly closure discharge gate. By the arrangement, the bar material scattering and leakage of the feed box in the overturning process is avoided through the gate assembly, and the reliability is high.

Specifically, the frame includes two side brackets that are located both sides, transversely establishes the cross support between two side brackets, and the fixed first guide rail that sets up in the cross support bottom, and wherein first guide rail and workbin conveyer belt looks parallel arrangement move seat sliding connection on first guide rail, and first drive assembly drive moves the seat along first guide rail reciprocating motion. The arrangement ensures that the movable seat moves stably and improves the transmission reliability.

Preferably, the overturning seat comprises two side plates, a top plate, a bottom plate, a limiting plate and a second guide plate, wherein the two side plates are connected to the moving seat in a rotating mode through a rotating shaft, the top plate and the bottom plate are transversely arranged between the two side plates, the limiting plate is connected between the two side plates and perpendicular to the top plate and the bottom plate, the second guide plate is arranged on the limiting plate, a positioning cavity is formed among the two side plates, the top plate, the bottom plate and the limiting plate, one side, far away from the limiting plate, of the positioning cavity is opened, an inlet is formed in the positioning cavity, a material box transversely moves from a material box conveying belt to penetrate through the inlet and enter the positioning cavity, a discharge hole is formed between the top plate and the limiting plate at intervals, and the second guide plate extends outwards from one side of the discharge hole. The arrangement is convenient for the feed box to enter the positioning cavity; meanwhile, the bin is prevented from falling off during overturning through shielding of the limiting plate, and equipment safety is improved.

Further, the gate assembly comprises a gate, a second guide rail fixedly arranged on the top plate and a driving part connected with the gate, wherein the gate is arranged on the second guide rail in a sliding mode, the driving part drives the gate to be attached to the inner side of the second guide plate along the second guide rail, the discharge hole is closed, the driving part drives the gate to be far away from the second guide plate along the second guide rail, and the discharge hole is opened.

Preferably, the bin turnover unit further comprises a sensing assembly which is arranged on the rotating shaft and is communicated with the gate assembly, wherein the sensing assembly comprises a connecting disc fixedly arranged on the movable seat, two sensors fixedly connected on the connecting disc and distributed at intervals around the central line of the corresponding rotating shaft, and a sensor fixedly arranged on the rotating shaft, and when the bin turnover unit is turned over, the sensor rotates from one sensor to the other sensor. The setting like this can real-time supervision workbin's upset position, realizes that gate subassembly in time opens and shuts the discharge gate.

In addition, the bottom plate has two and connects the bottom at two curb plates respectively, and the workbin moves and carries the mechanism and include to move and carry the seat, set up and carry the conveyer belt and move and carry the seat elevating movement, and move upward along with carrying the seat, carry the conveyer belt and can stretch into between two bottom plates and link up with the workbin conveyer belt, move downward along with carrying the seat, carry the conveyer belt and can link up with the empty bin conveyer belt.

Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the automatic overturning device, on one hand, the AGV trolley automatically overturns the feed box to pour the bar, the overturning is stable, the bar is ensured to fall on the feeding platform completely, and the labor intensity and the labor cost are reduced; on the other hand, the automatic empty box exiting is realized, so that the AGV trolley can timely perform the next feeding action, and the production efficiency is effectively improved; simultaneously, the opening orientation is unchanged when the empty box withdraws, is convenient for the next material preparation.

Drawings

FIG. 1 is a schematic diagram of the AGV of the present invention;

FIG. 2 is a schematic view of the AGV of the present invention (another view);

FIG. 3 is a schematic view of a partial structure of an AGV of the present invention;

FIG. 4 is a right side view of FIG. 3 (transfer conveyor engaged with the bin conveyor);

FIG. 5 is a right side view of FIG. 3 (transfer belt engaged with empty box belt);

FIG. 6 is an enlarged schematic view of the bin disposal mechanism of FIG. 1;

FIG. 7 is an enlarged schematic view (another view) of the bin-dumping mechanism of FIG. 1;

FIG. 8 is an enlarged right-side view of the bin-dumping mechanism of FIG. 1;

wherein: x, a feed box;

1. a walking mechanism; 10. a support rod; 11. a roller; 12. a housing;

2. a working platform; q1, a material box transmission area; q2, a material box dumping area; q3, an empty box exit area;

3. a frame; 30. a support frame; 300. an upper bracket; a0, an upper supporting platform; a1, an upper mounting seat; 301. a lower bracket; b0, a lower support platform; b1, a lower mounting seat; 31. a side bracket; 32. a transverse bracket; g1, a first guide rail;

4. a bin conveyor belt; 40. a transmission roller way; 400. a conveying roller; 41. a power component; 410. a sprocket; 411. an endless drive chain; 42. a first guide plate;

5. a bin dumping mechanism; 50. a bin moving unit; 500. a movable seat; c0, a seat body; h1, a first sliding block; c1, separating; q4, a turnover area; 501. a first drive assembly; d0, a screw rod; d1, a first matching piece; d2, a first motor; 51. a bin turnover unit; 510. turning over the seat; q5, positioning the cavity; k1, a discharge hole; k2, an inlet; e0, side plates; s, a rotating shaft; e1, a top plate; e10, sliding seat; e2, a bottom plate; e3, limiting plates; e4, a second guide plate; 511. a second drive assembly; f1, a motor bracket; f2, a second motor; 512. a gate assembly; m0, gate; g2, a second guide rail; m1, a driving part; m11, a rack; m12, gears; m13, a third motor; m14, a supporting seat; 513. a sensing assembly; n0, land; n1, a sensor; n2, an inductor;

6. an empty box conveyor belt;

7. a feed box transfer mechanism; 70. a transfer base; h2, a second sliding block; 71. a transfer conveyor belt; 72. a third drive assembly; 720. a fixing frame; 721. a third guide rail; 722. a power device; p0, a screw rod; p1, a fourth motor; 73. a synchronizing shaft;

8. a touch screen;

9. a three-color lamp post.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 and 2, the AGV trolley of the present embodiment includes a traveling mechanism 1, a work platform 2, a frame 3, a magazine conveyor 4, a magazine dumping mechanism 5, an empty magazine conveyor 6, and a magazine transfer mechanism 7.

Referring to fig. 3, a traveling mechanism 1 is used for traveling an AGV trolley between a stock preparation platform and a centerless grinder, and includes four supporting rods 10, rollers 11 correspondingly disposed at the bottom of each supporting rod 10, and a housing 12 covering the peripheries of the four supporting rods 10.

As shown in fig. 4 and 5, the working platform 2 is horizontally arranged at the top of the travelling mechanism 1, and the working platform 2 is provided with a bin conveying area q1, a bin dumping area q2 and an empty bin exiting area q3, wherein the bin conveying area q1 and the bin dumping area q2 are aligned, the bin X transversely moves from the bin conveying area q1 to the bin dumping area q2, the empty bin exiting area q3 is correspondingly arranged below the bin conveying area q1, the bin X is conveyed from the bin dumping area q2 to the empty bin exiting area q3, and the opening of the bin X positioned on the empty bin exiting area q3 faces the same as the opening of the bin X positioned on the bin conveying area q 1.

In this example, the frame 3 is mounted on the working platform 2, and includes a support frame 30, two side brackets 31, and a cross bracket 32 transversely provided between the tops of the two side brackets 31.

Specifically, the support frame 30 includes an upper frame 300 and a lower frame 301, wherein a bin transfer area q1 is located on the upper frame 300 and an empty bin exit area q3 is located on the lower frame 301.

The upper bracket 300 comprises an upper supporting platform a0 and two upper mounting seats a1 fixedly connected to two sides of the upper supporting platform a 0; the lower bracket 301 comprises a lower supporting platform b0 and two lower mounting seats b1 fixedly connected to two sides of the lower supporting platform b 0.

For convenient implementation, the upper support platform a0 and the lower support platform b0 are integrally formed. The AGV trolley is arranged in such a way, and the positioning and the installation of the upper supporting platform and the lower supporting platform are convenient when the AGV trolley is assembled.

Specifically, two side brackets 31 are respectively disposed on both sides of the bin dumping region q 2.

Specifically, two cross brackets 32 are provided and are arranged at intervals side by side along the traverse direction of the magazine X.

In this example, the bin conveyor 4 is disposed in the bin conveyor area q1 and mounted between the two upper mounting seats a1, and the empty bin conveyor 6 is disposed in the empty bin exit area q3 and mounted between the two lower mounting seats b1.

That is, the bin conveyor belt 4 and the empty box conveyor belt 6 are arranged at intervals up and down, wherein the bin conveyor belt 4 and the empty box conveyor belt 6 are arranged in parallel, and the output end of the bin conveyor belt 4 and the receiving end of the empty box conveyor belt 6 are positioned on the same side and aligned up and down. The AGV trolley is reasonable and compact in structure, convenient to reduce, and space-saving.

Specifically, the structure of the bin conveying belt 4 is consistent with that of the empty bin conveying belt 6, and the conveying directions are opposite, wherein the bin conveying belt 4 comprises a conveying roller way 40 which is horizontally arranged, a power component 41 which drives the conveying roller way 40, and two first guide plates 42 which are respectively arranged on two sides of the conveying roller way 40.

The conveying roller way 40 comprises a plurality of conveying rollers 400 which are arranged side by side, the power component 41 comprises a chain wheel 410 arranged at one end part of each conveying roller 400, an annular transmission chain 411 which is arranged on the upper supporting platform a0 and matched with the chain wheel 410, and the material box X passes through between the two first guide plates 42 along the conveying roller way 40. The arrangement ensures that the feed box is stably transported along the transport roller way and is prevented from falling.

Meanwhile, the end portions of the two first guide plates 42 are respectively bent to both sides. The arrangement is convenient for the feed box to enter the conveying roller way.

In this example, the bin-dumping mechanism 5 is disposed in the bin-dumping region q2 and mounted on the cross frame 32, and the bin-dumping mechanism 5 includes a bin moving unit 50 and a bin inverting unit 51.

Specifically, the bin moving unit 50 includes a moving seat 500 and a first driving assembly 501.

Specifically, the movable seat 500 is movably disposed on the transverse bracket 32, and the movable seat 500 includes a seat body c0 parallel to the transverse bracket 32, and two split bodies c1 connected to two ends of the seat body c0, where the two split bodies c1 are in one-to-one correspondence with the two side brackets 31, and a turnover region q4 is formed between the seat body c0 and the two split bodies c 1.

For convenience of implementation, the bottom of the transverse support 32 is further connected with two first guide rails g1 side by side, wherein each first guide rail g1 is fixedly connected to the bottom of the two transverse supports 32 from two ends and is parallel to the bin conveyor belt 4, and the seat body c0 is fixedly connected with two first sliding blocks h1 and is slidably connected to the corresponding first guide rail g1 through the two first sliding blocks h 1. The arrangement ensures that the movable seat moves stably and improves the transmission reliability.

Specifically, the first driving assembly 501 is disposed in parallel between the two first guide rails g1, a first matching piece d1 sleeved on the screw d0, and a first motor d2 connected with the screw d 0.

The first motor d2 is fixedly connected with a transverse bracket 32, and the output end of the first motor d2 is connected with one end of the screw rod d0 through a belt and drives the screw rod d0 to rotate around the axis of the screw rod d 0.

The first matching piece d1 is fixedly connected with the seat body c0, threads matched with the screw rod d0 are formed on the inner wall of the first matching piece d1, and the first matching piece d1 drives the seat body c0 to reciprocate along the screw rod d0 along with the rotation of the screw rod d 0. The device adopts screw rod transmission, and the transmission is stable and reliable.

Referring to fig. 6 to 8, the bin flipping unit 51 includes a flipping base 510, a second driving assembly 511, and a shutter assembly 512.

In this example, a positioning cavity q5 for positioning the bin X is formed on the overturning seat 510, and a discharge port k1 opposite to the opening of the bin X in the positioning cavity q5 is further formed on the overturning seat 510, wherein an entrance k2 is formed by opening one side of the positioning cavity q5, and the bin X is transferred from the entrance k2 into the positioning cavity q5 along the horizontal direction by the AGV trolley. The automatic feeding device is simple in structure, and the AGV trolley is convenient to transfer the received feed box into the positioning cavity.

Specifically, the overturning seat 510 includes two side plates e0 arranged in parallel, a top plate e1 and a bottom plate e2 transversely arranged between the two side plates e0, and a limiting plate e3 connected between the two side plates e0 and arranged perpendicular to the top plate e1 and the bottom plate e2, wherein a positioning cavity q5 is formed between the two side plates e0, the top plate e1, the bottom plate e2 and the limiting plate e3, and the inlet k2 is arranged opposite to the limiting plate e 3. Through the shielding of the limiting plate, the bin is prevented from falling off during overturning, and the safety of equipment is improved.

Specifically, two side plates e0 are arranged in one-to-one correspondence with two split bodies c1, wherein each side plate e0 is rotatably connected to the corresponding split body c1 from the middle through a rotating shaft s.

Specifically, the top plate e1 is fixedly connected to the tops of the two side plates e 0; the two bottom plates e2 are respectively fixedly connected to the bottoms of the two side plates e0, and when the material box X enters the positioning cavity q5, the material box X is respectively erected on the two bottom plates e2 from two sides of the box bottom; the limiting plate e3 is fixedly connected to one side, far away from the inlet k2, of the two side plates e 0.

Meanwhile, the top plate e1 and the limiting plate e3 are arranged at intervals to form a discharge hole k1, the overturning seat 510 further comprises a second guide plate e4 arranged on the limiting plate e3, and when the material box X is dumped, bars can roll off from the discharge hole k1 along the second guide plate e 4. By the arrangement, bars can be ensured to orderly fall on a feeding platform of the centerless grinder.

Specifically, the second guide plate e4 extends obliquely upward and leftward from the top of the limiting plate e3, and when the overturning seat 510 rotates clockwise around the central line of the rotating shaft s to a dumping state, the second guide plate e4 is disposed parallel to a feeding platform (not shown but not easily thought) of the centerless grinder. The device has the buffering effect on the rolled bar, and avoids damage caused by impact.

In this example, the second driving component 511 includes a motor bracket f1 and a second motor f2, where the second motor f2 is disposed outside of one split c1, and an output shaft of the second motor f2 is fixedly connected to a corresponding rotating shaft s (not shown but not easily thinkable); the motor bracket f1 is fixedly connected to the corresponding split c1 and sleeved on the output shaft of the second motor f 2. Thus, the output shaft is protected.

In this example, gate assembly 512 is adjustably positioned at discharge port k1, and bin X is flipped to a pour state, gate assembly 512 opens discharge port k1, and gate assembly closes discharge port k1 as bin X is reset.

Specifically, the gate assembly 512 includes a gate m0 movably disposed on the top plate e1, and a driving component m1 connected to the gate m0, where the driving component m1 drives the gate m0 to be attached to the inner side of the second guide plate e4, the discharge port k1 is closed, the driving component m1 drives the gate m0 to be far away from the second guide plate e4, and the discharge port k1 is opened. By the arrangement, the situation that the bar stock falls off in the overturning process of the feed box is effectively avoided, and the reliability of equipment is improved.

The gate m0 is horizontally arranged, the width of the gate m0 is larger than that of the discharge hole k1, and when one side of the gate m0 is abutted against the inner side of the second guide plate e4, the other side of the gate m0 is positioned above the top plate e 1.

For convenience of implementation, the gate m0 is fixedly connected with two second guide rails g2, wherein the two second guide rails g2 are arranged side by side along the length direction of the gate m0, and each second guide rail g2 is perpendicular to the gate m 0.

Meanwhile, a slide seat e10 matched with each second guide rail g2 is fixedly connected to the top plate e 1. The arrangement ensures that the gate is opened and closed stably, and improves the reliability.

Specifically, the driving part m1 includes a rack m11, a gear m12, and a third motor m13, wherein the rack m11 is fixedly disposed at the top of the shutter m0 and horizontally extends along the width direction of the top plate e1, the third motor m13 is fixedly disposed on the top plate e1, and the gear m12 is fixedly disposed on the output shaft of the third motor m13 and engaged with the rack m 11.

For convenience of implementation, the driving component m1 further comprises two supporting seats m14 fixedly arranged on the top plate e1 side by side along the length direction of the output shaft of the third motor m13, the output shaft of the third motor m13 sequentially penetrates through the two supporting seats m14 through a bearing, and the gear m12 is located between the two supporting seats m 14. In this way, the supporting performance is improved, and the output shaft of the third motor is prevented from being deformed and damaged.

In this example, the present embodiment further includes a sensing assembly 513 disposed on the rotation shaft s and in communication with the shutter assembly 512.

Specifically, the sensing assembly 513 includes a connection pad n0 fixedly disposed on the split body c1 far from the second motor f2, two sensors n1 fixedly connected to the connection pad n0 and spaced around a center line of a corresponding rotating shaft s, and an inductor n2 fixedly disposed at an outer end portion of the rotating shaft s, wherein the rotating shaft s is disposed through the connection pad n0 from the outer end portion, and when the rotating shaft s is turned over, the inductor n2 rotates from one of the two sensors n1 to the other along with rotation of the rotating shaft s. The setting like this can real-time supervision workbin's upset position, realizes that gate subassembly in time opens and shuts the discharge gate.

In this example, the bin transfer mechanism 7 is movably disposed between a transmission end of the bin conveyor 4 and a receiving end of the empty bin conveyor 6, and includes a transfer seat 70, a transfer conveyor 71 disposed on the transfer seat 70, and a third driving assembly 72, where the third driving assembly 72 drives the transfer seat 70 to move up and down, and the transfer conveyor 71 can extend between two bottom plates e2 and engage with the bin conveyor 4 as the transfer seat 70 moves up and down, and the transfer conveyor 71 can engage with the empty bin conveyor 6 as the transfer seat 70 moves down. That is, under the same-direction transmission of the transmission roller way and the transfer transmission belt, the material box is transferred from the material box transmission belt to the transfer seat; similarly, the feed box can be output to the empty box conveying belt from the transfer seat.

For convenience of implementation, the transfer conveyor 71 has two groups and is located at two sides, and the bin X is correspondingly erected on the two groups of transfer conveyor 71 from two sides of the bottom.

Meanwhile, the bin transfer mechanism 7 further includes a synchronizing shaft 73 connected between the two sets of transfer conveyors 71. The material box can be stably erected on the two groups of transfer conveying belts; meanwhile, synchronous transmission of the two groups of transfer conveying belts is realized, and stability in receiving or outputting the feed box is improved.

In this example, the third driving unit 72 includes a fixing frame 720 fixedly disposed on a side of the transfer base 70 away from the bin conveyor 4, two third guide rails 721 connected to the fixing frame 720 in parallel, and a power unit 722.

Specifically, the transfer base 30 is slidably connected to the two third guide rails 721 via the second slider h 2. The device is simple in structure and convenient to install and implement.

Specifically, the power unit 722 includes a screw p0 disposed in parallel between the two third guide rails 721, a fourth motor p1 connected to an end of the screw p0, and a second matching member (not shown but not easily contemplated) sleeved on the screw p0, where the fourth motor p1 drives the screw p0 to rotate around its own axis through a belt, and the matching member is also fixedly connected to the transfer base 30 and drives the transfer base 30 to move up and down. The arrangement is reliable in transmission and convenient for controlling the movement of the transfer seat.

In addition, the embodiment also comprises a touch screen 8 fixedly connected to the side bracket 31 and used for terminal operation, and a three-color lamp post 9 arranged on the transverse bracket 32 and used for indicating the working state of the AGV trolley.

In summary, the implementation procedure of this embodiment is as follows:

s1, conveying a material box

The AGV trolley moves to the material preparation platform, so that the material box conveying belt 4 is in butt joint with a conveying track of the material preparation platform, the material box X is conveyed onto the material box conveying belt 4 from the conveying track of the material preparation platform, the material box conveying belt 4 receives two material boxes X from the material preparation platform each time, and the AGV trolley moves to one side of a corresponding centerless grinder feeding platform along a track preset on the ground according to system instructions;

s2, material transferring box

The movable seat 500 is driven to move to one end, close to the bin conveying belt 4, of the first guide rail g1, the inlet k2 of the turnover seat 510 is driven to be opposite to the output end of the bin conveying belt 4, the transfer seat 70 moves upwards, the transfer conveying belt 71 stretches into between the two bottom plates e2 and is connected with the bin conveying belt 4, the bin conveying belt 4 transversely moves a bin X onto the transfer conveying belt 71, the bin X enters the positioning cavity q5 from the inlet k2, at the moment, the sensor n2 is butted with a sensor n1, the gate m0 is butted with the inner side of the second guide plate e4, and the discharge hole k1 is kept closed;

s3, pouring the material from the material box

The transfer seat 30 is driven to move downwards, so that the transfer conveying belt 71 exits the turnover seat 510, then the movable seat 500 is driven to move to the upper part of the feeding platform along the first guide rail g1, at the moment, the turnover seat 510 is driven to turn over, the sensor n2 is butted with the other sensor n1, the gate m0 is far away from the second guide plate e4 and opens the discharge hole k1, bars in the material box X roll down onto the feeding platform along the second guide plate e4, and the material box X becomes an empty box;

s4, exiting the empty box

The moving seat 500, the overturning seat 510 and the gate m0 are reset respectively, the transferring seat 30 moves upwards and enables the transferring conveying belt 71 to extend between the two bottom plates e2, the empty box is erected on the transferring conveying belt 71 from the bottom, then the moving seat 500 drives the overturning seat 510 to move along the first guide rail g1 again, the transferring conveying belt 71 and the empty box are separated from the positioning cavity q5, at the moment, the transferring seat 30 is driven to move downwards, the transferring conveying belt 71 is connected with the empty box conveying belt 6, and the empty box transversely moves onto the empty box conveying belt 6 from the transferring conveying belt 71.

Therefore, the present embodiment has the following advantages:

1. the automatic overturning of the feed box by the AGV trolley is realized to pour the bar stock, the overturning is stable, the bar stock is ensured to fall on the feeding platform completely, and the labor intensity and the labor cost are reduced;

2. the automatic empty box withdrawal is realized, so that the AGV trolley can timely perform the next feeding action, the production efficiency is effectively improved, the opening direction is unchanged when the empty box withdraws, and the next material preparation is facilitated;

3. in the overturning process of the feed box, the discharge port can be ensured to be closed, the bar is prevented from falling in the middle, the bar is ensured to fall on the feeding platform, and the equipment reliability is high;

4. through the arrangement of the second guide plate, the rolling bar stock is buffered, and damage caused by impact is avoided;

5. through the arrangement of the sensing component, the overturning position of the feed box can be monitored in real time, and the gate component can timely open and close the discharge hole;

6. the material box conveying belt can be used for receiving two material boxes at a time, so that the feeding efficiency is effectively improved.

The present invention has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. An automatic feeding method suitable for an AGV trolley is characterized by comprising the following steps: AGV dolly that it adopted includes:

the traveling mechanism is used for traveling of the AGV trolley;

a frame mounted on the work platform;

a bin transfer belt disposed in the bin transfer region;

the empty box conveying belt is arranged in the empty box exiting area, the bin conveying belt and the empty box conveying belt are arranged in parallel, and the output end part of the bin conveying belt and the receiving end part of the empty box conveying belt are positioned on the same side;

the bin transfer mechanism is movably arranged between the bin conveying area and the empty bin exiting area and can transfer the bin into the binBy a means ofThe material box conveying belt, the material box dumping mechanism and the empty box conveying belt are in transfer, and the material box conveying belt comprises the following steps:

s1, conveying a material box

s2, pouring

s3, exiting the empty box

2. The automatic feeding method for an AGV cart according to claim 1, wherein: when receiving bins from the stock preparation area, the AGV trolley receives at least two bins each time.

3. The automatic feeding method for an AGV cart according to claim 1, wherein: the bin conveying belt and the empty bin conveying belt have the same structure, wherein the bin conveying belt comprises a conveying roller way which is horizontally arranged and two first guide plates which are respectively arranged on two sides of the conveying roller way, and the bin passes through the space between the two first guide plates along the conveying roller way.

4. The automatic feeding method for an AGV cart according to claim 1, wherein: the material box pouring mechanism comprises a material box moving unit and a material box overturning unit, wherein the material box moving unit comprises a moving seat movably arranged on the rack and a first driving assembly connected to the moving seat, and a turnover area for overturning a material box is formed on the moving seat; the material box overturning unit comprises an overturning seat, a second driving assembly and a gate assembly, wherein the overturning seat is rotationally connected in the overturning area and is provided with a positioning cavity for positioning the material box, the overturning seat is further provided with a discharge hole which is opposite to the opening of the material box in the positioning cavity, the second driving assembly is connected with the overturning seat and drives the overturning seat to overturn, the gate assembly is adjustably arranged at the discharge hole, the material box is overturned to a material dumping state, the gate assembly is opened to the discharge hole, the material box is reset, and the gate assembly is closed to the discharge hole.

5. The automatic feeding method for an AGV cart according to claim 4, wherein: the frame is including being located two side brackets of both sides, transversely establishing two cross brackets between the side brackets and fixed the setting is in the first guide rail of cross brackets bottom, wherein first guide rail with the workbin conveyer belt looks parallel arrangement, it is in to remove seat sliding connection on the first guide rail, first drive assembly drive remove seat along first guide rail reciprocating motion.

6. The automatic feeding method for an AGV cart according to claim 5, wherein: the overturning seat comprises two side plates, a top plate, a bottom plate, limiting plates and a second guide plate, wherein the two side plates are connected to the moving seat in a rotating mode through a rotating shaft, the top plate and the bottom plate are transversely arranged between the two side plates, the limiting plates are connected between the two side plates and perpendicular to the top plate and the bottom plate, the second guide plate is arranged on the limiting plates, a positioning cavity is formed between the two side plates, the top plate, the bottom plate and the limiting plates, one side of the positioning cavity, far away from the limiting plates, is opened to form an inlet, a feed box transversely moves through the inlet and enters the positioning cavity from a feed box conveying belt, a discharge hole is formed between the top plate and the limiting plates at intervals, and the second guide plate extends outwards from one side of the discharge hole.

7. The automatic feeding method for an AGV cart according to claim 6, wherein: the gate assembly comprises a gate, a second guide rail fixedly arranged on the top plate and a driving part connected with the gate, wherein the gate is arranged on the second guide rail in a sliding manner, the driving part drives the gate to be attached to the inner side of the second guide plate along the second guide rail, the discharge port is closed, the driving part drives the gate to be far away from the second guide plate along the second guide rail, and the discharge port is opened.

8. The automatic feeding method for an AGV cart according to claim 6, wherein: the bin overturning unit further comprises a sensing assembly which is arranged on the rotating shaft and communicated with the gate assembly, wherein the sensing assembly comprises a connecting disc fixedly arranged on the movable seat, two sensors fixedly connected to the connecting disc and distributed at intervals around the center line of the corresponding rotating shaft, and an inductor fixedly arranged on the rotating shaft, and when overturning, the inductor rotates from one of the two sensors to the other.

9. The automatic feeding method for an AGV cart according to claim 6, wherein: the bottom plates are two and are respectively connected to the bottoms of the two side plates, and the material box transfer mechanism comprises a transfer seat, a transfer conveying belt and a third driving assembly, wherein the transfer conveying belt is arranged on the transfer seat, the third driving assembly drives the transfer seat to move up and down, and along with the upward movement of the transfer seat, the transfer conveying belt can extend into the space between the two bottom plates and is connected with the material box conveying belt, and along with the downward movement of the transfer seat, the transfer conveying belt can be connected with the empty box conveying belt.