CN116280869A

CN116280869A - Automatic feeding device

Info

Publication number: CN116280869A
Application number: CN202310332847.9A
Authority: CN
Inventors: 章新生; 寇学超; 曾霖; 韦新颖; 曹坤; 靳毅; 黄顺金; 胡茂; 闫坤; 李宝蕴; 刘国良; 刘少波
Original assignee: Xi'an Yuanjing Intelligent Equipment Co ltd; China Tiesiju Civil Engineering Group Co Ltd CTCE Group; Fifth Engineering Co Ltd of CTCE Group
Current assignee: Xi'an Yuanjing Intelligent Equipment Co ltd; China Tiesiju Civil Engineering Group Co Ltd CTCE Group; Fifth Engineering Co Ltd of CTCE Group
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-23

Abstract

The invention provides an automatic feeding device which comprises a plurality of groups of storage mechanisms which are obliquely arranged, wherein a lifting limiting mechanism is arranged on one side of the bottom of the storage mechanisms, a plurality of groups of longitudinal conveying mechanisms are arranged on one side of the storage mechanisms, the automatic feeding device comprises a support frame, an auxiliary frame and a plurality of groups of conveying rollers, the conveying rollers are arranged at the end parts of the upper surfaces of the support frame and the auxiliary frame, the conveying rollers are of V-shaped structures, a first driving mechanism is arranged at the bottom of the support frame, the output ends of the first driving mechanism are connected with the tail end conveying mechanisms of the conveying rollers and are arranged at one end of the longitudinal conveying mechanisms, a second driving mechanism is arranged at the bottom of the tail end conveying mechanisms, and the output ends of the second driving mechanism are connected with the tail end conveying mechanisms. According to the invention, the steel pipes stored by the storage mechanism can be continuously fed to the longitudinal conveying mechanism, so that additional steel pipes are not required to be placed, the purpose of convenient and quick feeding is achieved, and the steel pipes can be fed into the cutting equipment for cutting by the tail end conveying mechanism.

Description

Automatic feeding device

Technical Field

The invention relates to the technical field of steel pipe machining equipment, in particular to an automatic feeding device.

Background

In tunnel construction, it is necessary to arrange blast pipes and water pipes along the tunnel wall, and these pipes are installed on the tunnel side wall in rows and extend continuously along with the construction progress. The raw materials of the air-water pipe are national standard steel pipes with the thickness of about 12.2m-12.9m, and the production procedures of rust removal, fixed-length cutting, flange welding, black-yellow reflective paint spraying on the surface and the like are required to be carried out on site.

In the prior art, when cutting the steel pipe, need place the steel pipe on cutting equipment, because the volume and the quality of steel pipe are all great, comparatively laborious when consequently placing the steel pipe on cutting equipment, and very take time, cutting equipment is after accomplishing a steel pipe cutting in addition, then need take time and energy again in addition place another steel pipe that needs to cut to make the material loading inconvenient when the steel pipe is cutting, and waste time and energy, influence the pipe machining efficiency.

Disclosure of Invention

Based on this, the present invention aims to provide an automatic feeding device, so as to at least solve the above-mentioned drawbacks in the prior art.

The invention provides the following technical scheme, an automatic feeding device, comprising:

a plurality of groups of obliquely arranged stock mechanisms;

the lifting limiting mechanism is arranged at one side of the bottom of the material storage mechanism;

the conveying rollers are arranged at the end parts of the upper surfaces of the support frame and the auxiliary frame, and are of V-shaped structures;

the first driving mechanism is arranged at the bottom of the supporting frame, and the output end of the first driving mechanism is connected with the conveying roller;

the tail end conveying mechanism is arranged at one end of the longitudinal conveying mechanism, a second driving mechanism is arranged at the bottom of the tail end conveying mechanism, and the output end of the second driving mechanism is connected with the tail end conveying mechanism;

the steel pipe cutting device comprises a steel pipe storage mechanism, a lifting limiting mechanism, a first driving mechanism, a second driving mechanism and a cutting device, wherein the steel pipe storage mechanism is used for storing steel pipes, the lifting limiting mechanism is used for propping against the steel pipes on the steel pipe storage mechanism, the steel pipes are controlled to roll down from the obliquely arranged steel pipe storage mechanism to the conveying rollers, the first driving mechanism drives the conveying rollers to drive the steel pipes to move, the steel pipes are driven to move to the tail end conveying mechanism, and the second driving mechanism drives the tail end conveying mechanism to drive the steel pipes to move, so that the steel pipes are fed into the cutting device.

Compared with the prior art, the invention has the beneficial effects that: the steel tube on the material storage mechanism is propped against through the lifting limiting mechanism, and because the material storage mechanism is obliquely arranged, when the lifting limiting mechanism does not limit the steel tube on the material storage mechanism any more, the steel tube can slide off the material storage mechanism and fall on the auxiliary frame and the conveying roller on the supporting frame which are included by the longitudinal conveying mechanism, then the conveying roller is driven by the first driving mechanism to rotate, so that the conveying roller drives the steel tube on the conveying roller to move, the aim of conveying the steel tube is fulfilled, the steel tube is conveyed to the tail end conveying mechanism, the tail end conveying mechanism is driven by the second driving mechanism to send the steel tube out, the steel tube is cut through the cutting equipment, the steel tube stored by the material storage mechanism can be continuously fed to the longitudinal conveying mechanism, and therefore the aim of placing additional steel tubes which are time-consuming and labor-consuming is not needed is fulfilled, and the steel tube can be conveyed into the cutting equipment to be cut through the tail end conveying mechanism.

Further, the stock mechanism comprises a stock frame and reinforcing ribs, wherein the reinforcing ribs are fixedly connected to the bottom of the stock frame, and the top surface of the stock frame is obliquely arranged.

Further, the lifting limiting mechanism comprises a hydraulic oil cylinder, a connecting part, a connecting block and two stop blocks, wherein the output end of the hydraulic oil cylinder is connected with the connecting part, the connecting part is rotationally connected to one side of the connecting block and penetrates through one of the stop blocks, the other stop block is arranged on the surface of the other side of the connecting block through a fixed shaft, and the fixed shaft penetrates through the connecting block and is fixedly arranged on the material storage mechanism.

Further, an arc-shaped guide groove is formed in the material storage mechanism, and one side, close to the connecting portion, of the connecting block is matched with the arc-shaped guide groove.

Further, be equipped with auxiliary stabilization mechanism on the support frame, auxiliary stabilization mechanism includes auxiliary roller, supporting seat, mount pad and the riser that the symmetry set up, the riser set firmly in on the support frame, the output of mount pad set firmly in the output of riser, the supporting seat set firmly in on the mount pad, the both ends of auxiliary roller are in through bearing connection the top both ends of supporting seat.

Furthermore, guide posts are fixedly connected to four corners of the bottom of the mounting seat, and penetrate through the supporting frame.

Further, a servo motor is fixedly arranged at the bottom of the mounting seat, and the output end of the servo motor is connected with one end of the auxiliary roller through a transmission belt.

Further, the first driving mechanism comprises a first motor, a first sprocket, a second sprocket and a first transmission chain, the first motor is fixedly arranged at the bottom of the supporting frame, the first sprocket is fixedly connected with the output end of the first motor, the second sprocket is fixedly connected with one end of the conveying roller, and the first sprocket is connected with the second sprocket through the first transmission chain.

Further, the terminal conveying mechanism comprises a grinding machine, a bearing frame and a conveying wheel, the grinding machine is arranged at one end corresponding to the longitudinal conveying mechanism, openings are formed in two side walls of the grinding machine, the openings correspond to the longitudinal conveying mechanism, the bearing frame is arranged at one side, away from the longitudinal conveying mechanism, of the grinding machine, the bearing frame corresponds to the openings, and the conveying wheel is arranged at the top of the bearing frame.

Further, the second driving mechanism comprises a second motor, a third sprocket, a fourth sprocket and a second transmission chain, the second motor is fixedly arranged at the bottom of the tail end conveying mechanism, the third sprocket is fixedly connected with the output end of the second motor, the fourth sprocket is fixedly connected with the tail end conveying mechanism, and the third sprocket is connected with the fourth sprocket through the second transmission chain.

Drawings

Fig. 1 is a schematic perspective view of an automatic feeding apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

fig. 6 is a front view of a supporting frame of the automatic feeding device in the embodiment of the invention.

Description of main reference numerals:

the invention will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" 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," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an automatic feeding device according to an embodiment of the present invention includes a plurality of sets of stock mechanisms 10, a lifting and limiting mechanism 20, a plurality of sets of longitudinal conveying mechanisms 30, a first driving mechanism 40, a terminal conveying mechanism 50, and a second driving mechanism 60.

The steel pipe cutting and conveying device comprises a plurality of groups of stock mechanisms 10, wherein the lifting limiting mechanisms 20 are arranged on one side of the bottom of the stock mechanisms 10, the plurality of groups of longitudinal conveying mechanisms 30 are arranged on one side of the stock mechanisms 10, each longitudinal conveying mechanism 30 comprises a supporting frame 31, an auxiliary frame 32 and a plurality of groups of conveying rollers 33, each supporting frame 31 and each auxiliary frame 32 are arranged on one side of the stock mechanism 10, each conveying roller 33 is arranged on the upper surface end parts of each supporting frame 31 and each auxiliary frame 32, each conveying roller 33 is of a V-shaped structure, the first driving mechanism 40 is arranged on the bottom of each supporting frame 31, the output end of each first driving mechanism is connected with each conveying roller 33, the end conveying mechanism 50 is arranged on one end of the longitudinal conveying mechanism 30, the bottom of each end conveying mechanism 50 is provided with a second driving mechanism 60, the output end of each second driving mechanism 60 is connected with each end conveying mechanism 50, the corresponding stock mechanism 10 is used for storing steel pipes, each lifting limiting mechanism 20 is used for propping against the corresponding steel pipes on the stock mechanism 10, and controlling the corresponding steel pipes arranged on the corresponding inclined stock mechanism 10 to fall down from the corresponding steel pipe 10 to the corresponding first driving mechanism 33 to the corresponding second driving mechanism 33, and the corresponding steel pipes are driven by the corresponding second driving mechanism 50 to enable the corresponding steel pipes to be conveyed to the corresponding end conveying mechanism 50 to be driven by the steel pipes to be conveyed to the steel pipe driving mechanism 50 to be driven by the steel pipe driving mechanism 50. .

It will be appreciated that, a plurality of steel pipes are placed on the stock mechanism 10, because the stock mechanism 10 is obliquely arranged, the placed steel pipes on the stock mechanism 10 will slide down to one side of the stock mechanism 10 close to the longitudinal conveying mechanism 20, and the lifting limiting mechanism 20 can prop the steel pipes sliding down to one side on the stock mechanism 10, so as to avoid dropping the steel pipes on the stock mechanism 10, in the implementation, the lifting limiting mechanism 20 is started, so that the lifting limiting mechanism 20 does not prop the steel pipes on the stock mechanism 10 any more, and in the process, after one steel pipe slides down, the lifting limiting mechanism 20 prop other steel pipes on the stock mechanism 10, so that the steel pipes slide down only one steel pipe, one steel pipe slides down to the conveying roller 33 on the longitudinal conveying mechanism 30, in the implementation, a cutting device can be erected on one side of the supporting frame 31 and the auxiliary frame 32, then cut the steel pipes, the steel pipes after the cutting is completed, the first driving mechanism 40 is started to drive the conveying roller 33 to rotate, the conveying roller 33 is driven to move to the end 50, and the conveying of the steel pipes is completed, and the conveying roller 50 is completed after the steel pipes are cut and the conveying end is moved. It should be noted that, since the conveying roller 33 has a V-shaped structure, the steel tube sliding on the conveying roller 33 is more stable when driven by the conveying roller 33, so as to avoid the tube from falling from the conveying roller 33.

It should be noted that when the steel pipe on the storage mechanism 10 is about to run out, the external acousto-optic system sends out an acousto-optic signal to remind an operator to perform material distribution on the storage mechanism 10, so that the automatic feeding device is always in a feeding state.

Referring to fig. 1, in the present embodiment, the stock mechanism 10 includes a stock frame 11 and a reinforcing rib 12, the reinforcing rib 12 is fixedly connected to the bottom of the stock frame 11, and the top surface of the stock frame 11 is disposed obliquely.

It should be noted that in the present embodiment, there are a plurality of groups of the stock shelves 11, so that the length of the stock shelves 11 is made long enough to enable the stock shelves 11 to place longer steel pipes, and each stock shelf 11 is provided with the lifting and lowering limiting mechanism 20, so that the steel pipes on the stock shelves 11 can be abutted by the lifting and lowering limiting mechanism 20, and after the lifting and lowering limiting mechanism 20 is activated, the steel pipes on the stock shelves 11 can slide from the stock shelves 11 onto the conveying rollers 33 on the longitudinal conveying mechanism 30.

Referring to fig. 2, in the present embodiment, the lifting limiting mechanism 20 includes a hydraulic cylinder 21, a connecting portion 22, a connecting block 23, and two stoppers 24, wherein an output end of the hydraulic cylinder 21 is connected to the connecting portion 22, the connecting portion 22 is rotatably connected to one side of the connecting block 23 and penetrates one of the stoppers 24, the other stopper 24 is disposed on the other side surface of the connecting block through a fixing shaft 111, and the fixing shaft 111 penetrates the connecting block 23 and is fixedly disposed on the stock mechanism 10.

It should be explained that, in this embodiment, the fixed shaft 111 is fixedly connected to the stock frame 11, in a specific implementation, the hydraulic cylinder 21 is started, the output end of the hydraulic cylinder 2 drives the connecting block 23 to move through the connecting portion 22 and a stop 24, at this time, the connecting block 23 rotates through the fixed shaft 111 and drives the other stop 24, so that the other stop 24 can prop against the steel pipe on the stock frame 11, the steel pipe is prevented from sliding off the stock frame 11, when the steel pipe needs to slide off the stock frame 11, only the hydraulic cylinder 21 is started, the output end of the hydraulic cylinder 21 drives the connecting block 23 to move through the connecting portion 22 and the stop 23, and the other stop 23 does not prop against the steel pipe any more, so that the steel pipe can slide off the stock frame 11.

Further, the stock mechanism 10 is provided with an arc-shaped guiding groove 110, and one side of the connecting block 23, which is close to the connecting portion 22, is matched with the arc-shaped guiding groove 110. When the connecting block 23 moves, the connecting block 23 can move on the arc-shaped guide groove 110, so that the connecting block 23 is more stable when moving, and the connecting block 23 can move along a specified path.

Referring to fig. 3, in the present embodiment, the first driving mechanism 40 includes a first motor 41, a first sprocket 42, a second sprocket 43, and a first transmission chain 44, the first motor 41 is fixedly disposed at the bottom of the supporting frame 31, the first sprocket 42 is fixedly connected to an output end of the first motor 41, the second sprocket 43 is fixedly connected to one end of the conveying roller 33, and the first sprocket 42 and the second sprocket 43 are connected through the first transmission chain 44.

In specific implementation, the first motor 41 is started, the first motor 41 drives the second sprocket 43 to rotate, the second sprocket 43 rotates through the first transmission chain 44, the second sprocket 43 drives the conveying roller 33 to rotate, the conveying roller 33 can drive the steel pipe to move, and feeding of the steel pipe is completed.

Referring to fig. 6, the supporting frame 31 is provided with an auxiliary stabilizing mechanism 70, the auxiliary stabilizing mechanism 70 includes an auxiliary roller 71, a supporting seat 72, a mounting seat 73 and a lifter 74, the auxiliary roller 71, the supporting seat 72, the mounting seat 73 and the lifter 74 are symmetrically arranged, the lifter 74 is fixedly arranged on the supporting frame 31, the output end of the mounting seat 73 is fixedly arranged at the output end of the lifter 74, the supporting seat 72 is fixedly arranged on the mounting seat 73, and as shown in fig. 5, two ends of the auxiliary roller 71 are connected with two ends of the top of the supporting seat 72 through bearings 75.

It should be explained that the channel between the symmetrically arranged auxiliary rollers 71 is opposite to the conveying roller 33 and can be matched with the steel pipe, so that the steel pipe can be located between the symmetrically arranged auxiliary rollers 71, the auxiliary rollers 71 can keep stability of the steel pipe, the steel pipe is prevented from falling from the supporting frame 31 and the auxiliary frame 32, the height of the mounting seat 73 can be adjusted through the lifter 74, the mounting seat 73 can drive the supporting seat 72 and the auxiliary rollers 71 on the supporting seat 72 to adjust the height, and the symmetrically arranged auxiliary rollers 71 can be matched with the conveying roller 33 better, so that the steel pipe is more stable in feeding.

Further, guide posts 76 are fixedly connected to four corners of the bottom of the mounting seat 73, and the guide posts 76 penetrate through the supporting frame 31. So set up, when mount pad 73 time riser 74 drive height-adjusting, the guide post 76 of mount pad 73 bottom can slide from top to bottom in support frame 31 this moment to make mount pad 73 more stable when going up and down.

Further, a servo motor 80 is fixedly arranged at the bottom of the mounting seat 73, and an output end of the servo motor 80 is connected with one end of the auxiliary roller 81 through a transmission belt 81. When the steel pipe surface polishing device is specifically implemented, the servo motor 80 is started, the servo motor 80 drives the auxiliary rollers 81 to rotate through the transmission belt 81, one of the symmetrically arranged auxiliary rollers 81 starts to rotate, the rotating auxiliary roller 81 can drive the steel pipe to rotate along the axial direction of the steel pipe, and then the symmetrically arranged auxiliary roller 81 can polish the surface of the steel pipe, so that the surface of the steel pipe is cleaner and smoother.

Referring to fig. 1, in the present embodiment, the end conveying mechanism 50 includes a polishing machine 51, a receiving frame 52 and a conveying wheel 53, the polishing machine 51 is disposed at one end corresponding to the longitudinal conveying mechanism 30, openings 510 are disposed on two sidewalls of the polishing machine 51, the openings 510 correspond to the longitudinal conveying mechanism 30, the receiving frame 52 is disposed at one side of the polishing machine 51 away from the longitudinal conveying mechanism 30 and corresponds to the openings 510, and the conveying wheel 53 is disposed at the top of the receiving frame 52.

In practice, after the steel pipe is transferred by the longitudinal conveying mechanism 30, the steel pipe is transported to the opening 510 of the grinder 51, is ground by the grinder 510, is transferred from the other opening of the grinder 510, and falls onto the transfer wheel 53 on the receiving frame 52, and in this embodiment, the transfer wheel 53 is driven by the second driving mechanism 60, so that the transfer wheel 53 can continue to transfer the cut steel pipe.

It is worth noting that, in this embodiment, the middle part of the conveying wheel 53 is in a V-shaped structure, so that the conveying wheel 53 can support against the steel pipe more stably, the steel pipe is prevented from falling from the supporting frame 52, the conveying stability of the terminal conveying mechanism 50 is improved, and the discharging of the steel pipe is more stable.

Further, as shown in fig. 4, the second driving mechanism 60 includes a second motor 61, a third sprocket 62, a fourth sprocket 63, and a second transmission chain 64, the second motor 61 is fixedly disposed at the bottom of the end conveying mechanism 50, the third sprocket 62 is fixedly connected to the output end of the second motor 61, the fourth sprocket 63 is fixedly connected to the end conveying mechanism 50, and the third sprocket 62 and the fourth sprocket 63 are connected through the second transmission chain 64.

It should be explained that, the second motor 61 is fixedly arranged at the bottom of the supporting frame 52, the fourth sprocket 63 is fixedly connected to one end of the conveying wheel 53, and when in implementation, the second motor 61 is started, the second motor 61 drives the third sprocket 62 to rotate, the third sprocket 62 drives the fourth sprocket 63 to rotate through the second transmission chain 64, so that the fourth sprocket 64 drives the conveying wheel 53 to rotate, and the conveying wheel 53 can drive the cut steel pipe thereon to perform mobile discharging.

In summary, in the automatic feeding device according to the above embodiment of the present invention, the lifting limiting mechanism 201 is used to prop against the steel pipe on the stock mechanism 0, and since the stock mechanism 10 is obliquely disposed, when the lifting limiting mechanism 20 no longer limits the steel pipe on the stock mechanism 10, the steel pipe slides off the stock mechanism 10 and falls on the auxiliary frame 32 and the conveying roller 33 on the supporting frame 31 included in the longitudinal conveying mechanism 30, then the first driving mechanism 40 drives the conveying roller 33 to rotate, so that the conveying roller 33 drives the steel pipe on the conveying roller 33 to move, thereby achieving the purpose of conveying the steel pipe and conveying the steel pipe to the end conveying mechanism 50, and at this time, the second driving mechanism 60 drives the end conveying mechanism 50 to send out the steel pipe and cut the steel pipe by the cutting device, and the steel pipe stored by the stock mechanism 10 can continuously feed the longitudinal conveying mechanism 30, thereby achieving the purpose of conveniently and rapidly feeding the steel pipe without time-consuming and labor-consuming placement, and the end conveying mechanism 50 can send the steel pipe to the cutting device for cutting.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. An automatic feeding device, characterized by comprising:

a plurality of groups of obliquely arranged stock mechanisms;

2. The automatic feeding device according to claim 1, wherein the stock mechanism comprises a stock frame and reinforcing ribs, the reinforcing ribs are fixedly connected to the bottom of the stock frame, and the top surface of the stock frame is obliquely arranged.

3. The automatic feeding device according to claim 1, wherein the lifting limiting mechanism comprises a hydraulic cylinder, a connecting part, a connecting block and two stop blocks, the output end of the hydraulic cylinder is connected with the connecting part, the connecting part is rotatably connected to one side of the connecting block and penetrates through one stop block, the other stop block is arranged on the surface of the other side of the connecting block through a fixed shaft, and the fixed shaft penetrates through the connecting block and is fixedly arranged on the material storage mechanism.

4. The automatic feeding device according to claim 3, wherein the stock mechanism is provided with an arc-shaped guide groove, and one side of the connecting block, which is close to the connecting part, is matched with the arc-shaped guide groove.

5. The automatic feeding device according to claim 1, wherein an auxiliary stabilizing mechanism is arranged on the supporting frame and comprises auxiliary rollers which are symmetrically arranged, supporting seats which are symmetrically arranged, a mounting seat and a lifter, the lifter is fixedly arranged on the supporting frame, the output end of the mounting seat is fixedly arranged at the output end of the lifter, the supporting seat is fixedly arranged on the mounting seat, and two ends of the auxiliary rollers are connected with two ends of the top of the supporting seat through bearings.

6. The automatic feeding device according to claim 5, wherein guide posts are fixedly connected to four corners of the bottom of the mounting seat, and penetrate through the supporting frame.

7. The automatic feeding device according to claim 5, wherein a servo motor is fixedly arranged at the bottom of the mounting seat, and the output end of the servo motor is connected with one end of the auxiliary roller through a transmission belt.

8. The automatic feeding device of claim 1, wherein the first driving mechanism comprises a first motor, a first sprocket, a second sprocket and a first transmission chain, the first motor is fixedly arranged at the bottom of the supporting frame, the first sprocket is fixedly connected with the output end of the first motor, the second sprocket is fixedly connected with one end of the conveying roller, and the first sprocket is connected with the second sprocket through the first transmission chain.

9. The automatic feeding device according to claim 1, wherein the tail end conveying mechanism comprises a grinding machine, a bearing frame and a conveying wheel, the grinding machine is arranged at one end corresponding to the longitudinal conveying mechanism, openings are formed in two side walls of the grinding machine, the openings correspond to the longitudinal conveying mechanism, the bearing frame is arranged at one side, away from the longitudinal conveying mechanism, of the grinding machine, the bearing frame corresponds to the openings, and the conveying wheel is arranged at the top of the bearing frame.

10. The automatic feeding device according to claim 1, wherein the second driving mechanism comprises a second motor, a third sprocket, a fourth sprocket and a second transmission chain, the second motor is fixedly arranged at the bottom of the tail end conveying mechanism, the third sprocket is fixedly connected with the output end of the second motor, the fourth sprocket is fixedly connected with the tail end conveying mechanism, and the third sprocket is connected with the fourth sprocket through the second transmission chain.