阅读说明：本技术 一种带积放功能可控节奏的码垛机械手臂 (Stacking mechanical arm with stacking function and controllable rhythm ) 是由 刘塬萌 刘旭 李绍起 刘梦莹 王文海 郑爱华 于 2021-07-29 设计创作，主要内容包括：本发明物料输送技术领域,公开了一种带积放功能可控节奏的码垛机械手臂,包括输送臂主体,输送臂主体的后端安装有积放总成,输送臂主体的中间安装有控包总成,输送臂主体的前端安装有加长输送机构,积放总成的前端与控包总成的后端承接,控包总成的前端与加长输送机构的后端承接,积放总成积放物料,控包总成控制物料的送出时间,且积放总成与控包总成配合放出物料,在后端物料输送过快时,通过积放总成将向前输送的物料进行积攒存放,当后端物料输送过慢时；本发明能进行物料的调控输送,适用范围大,实用性强；能对物料的输出时间和物料的输送位置进行准确的定位控制,提高了物料的可控性,实用性强。(The invention discloses a controllable rhythm stacking mechanical arm with a stacking function, which comprises a conveying arm main body, wherein a stacking assembly is arranged at the rear end of the conveying arm main body, a bag control assembly is arranged in the middle of the conveying arm main body, a lengthened conveying mechanism is arranged at the front end of the conveying arm main body, the front end of the stacking assembly is in bearing connection with the rear end of the bag control assembly, the front end of the bag control assembly is in bearing connection with the rear end of the lengthened conveying mechanism, the stacking assembly stacks materials, the bag control assembly controls the material sending time, the stacking assembly and the bag control assembly are matched to release the materials, when the rear end materials are conveyed too fast, the forwardly conveyed materials are stacked and stored through the stacking assembly, and when the rear end materials are conveyed too slow; the invention can regulate and control the delivery of materials, has wide application range and strong practicability; the material conveying device can accurately position and control the output time of materials and the conveying position of the materials, improves the controllability of the materials, and has strong practicability.)

1. The utility model provides a pile up neatly robotic arm of controllable rhythm of long-pending function of putting in area, includes transport arm main part (1), its characterized in that: carry the rear end of arm main part (1) to install long-pending assembly (2) of putting, the centre of carrying arm main part (1) is installed and is controlled package assembly (3), elongated conveying mechanism (4) are installed to the front end of carrying arm main part (1), long-pending front end of putting assembly (2) is accepted with the rear end of controlling package assembly (3), the front end of controlling package assembly (3) is accepted with the rear end of elongated conveying mechanism (4), long-pending material of putting assembly (2), the time of seeing off of control package assembly (3) control material, and long-pending assembly (2) of putting and accuse package assembly (3) cooperation are emitted the material.

2. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 1, characterized in that: the power and free assembly (2) comprises a transmission mechanism (5) arranged at the rear end of the conveying arm main body (1) in an array mode, a linkage mechanism (14) for linking the transmission mechanism (5) of the array mode and a driving mechanism (6) for driving the linkage mechanism (14) to work, the linkage mechanism (14) is connected with the transmission mechanism (5) of the array mode through a clutch (7) respectively, the clutch (7) and the transmission mechanism (5) are arranged correspondingly, the transmission mechanism (5) corresponding to the clutch (7) is controlled to work, and the transmission mechanism (5) has the same transmission direction.

3. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 2, characterized in that: drive mechanism (5) are including rotating two transmission shafts (8) of connection in carrying arm main part (1), drive belt (9) of two transmission shafts (8) are connected in the transmission, install in carrying arm main part (1) the outside clutch (7), and the end fixed connection of clutch (7) output and one of them transmission shaft (8).

4. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 2 or 3, characterized in that: the linkage mechanism (14) comprises an input belt pulley (15) which is fixedly fixed at the input end of the clutch (7) correspondingly, the driving mechanism I (6) drives two input belt pulleys (15) at the position to rotate through a belt, the input belt pulleys (15) of every two arrays at the front side of the position of the driving mechanism I (6) are linked through a belt I (33), and the input belt pulleys (15) of every two arrays at the rear side of the position of the driving mechanism I (6) are linked through a belt II (13).

5. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 4, characterized in that: the first driving mechanism (6) comprises a driving motor (10) and a speed reducer (11) which are fixed to the top of the conveying arm main body (1) through a support, and a driving belt pulley (12) which is fixed to the output shaft end of the speed reducer (11), wherein the driving belt pulley (12) drives two input belt pulleys (15) at the positions where the driving belt pulleys are located to rotate through a belt.

6. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 1, characterized in that: the control package assembly (3) comprises a lower transmission mechanism (16) arranged in the conveying arm main body (1), two arm brackets (17) correspondingly fixed on two sides of the conveying arm main body (1) through bolts, an upper transmission mechanism (18) rotatably connected between the two arm brackets (17), a second driving mechanism (19) arranged on the side arm bracket (17), the second driving mechanism (19) drives a transmission shaft of the upper transmission mechanism (18) to rotate, one of the transmission shafts of the upper transmission mechanism (18) is in transmission connection with one of the transmission shafts of the lower transmission mechanism (16) through a transmission chain (20), a discharge hole (21) is formed between the upper transmission mechanism (18) and the lower transmission mechanism (16), the front end of the upper transmission mechanism (18) is connected with the front end of the lower transmission mechanism (16) through a spring (22), and the spring (22) is correspondingly arranged on two sides.

7. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 1, characterized in that: lengthening conveying mechanism (4) are including rotating two transmission shafts two (23) of connecting at carrying arm main part (1) front end, and two drive belt two (24) of two transmission shafts two (23) are connected in the transmission, install at the actuating mechanism three (25) on carrying arm main part (1) top through the mounting bracket, actuating mechanism three (25) drive one of them transmission shaft two (23) and rotate.

8. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 7, characterized in that: the driving mechanism III (25) comprises a motor II (26) and a speed reducer II (27) which are fixed at the front end of the conveying arm main body (1) through a mounting frame, a driving gear II (28) at the end of an output shaft of the speed reducer II (27) is fixed, the output shaft of the motor II (26) is fixedly connected with an input shaft of the speed reducer II (27), one of transmission shaft ends of the lengthened conveying mechanism (4) is fixedly connected with a driven gear II (29), and the driving gear II (28) is in transmission connection with the driven gear II (29) through a chain.

9. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 7, characterized in that: the conveying arm is characterized in that carrier rollers (30) are rotatably connected to the inner side of the front end of the conveying arm main body (1), the carrier rollers (30) are arranged in an array mode, a supporting plate (31) is fixedly connected to the inner side of the front end of the conveying arm main body (1), the supporting plate (31) is arranged in an array mode, the supporting plate (31) and the carrier rollers (30) are arranged in an alternating mode, and the inner top face of the second conveying belt (24) is matched with the supporting plate (31) in the array mode and the carrier rollers (30) in the array mode respectively.

10. The stacking mechanical arm with the stacking function and the controllable rhythm according to claim 4, characterized in that: the side of carrying arm main part (1) is rotated and is connected with tensioning roller (32), tensioning roller (32) correspond the setting with belt one (33) and belt two (13) respectively, and tensioning roller (32) that correspond with belt one (33) tensioning, tensioning roller (32) that correspond with belt two (13) tensioning.

Technical Field

The invention relates to the technical field of material conveying, in particular to a controllable rhythm stacking mechanical arm with a stacking function.

Background

After the existing material bags, material bags and other materials filled with products are processed and produced in workshops, factories and the like, the materials are generally conveyed to the next procedure for subsequent processing, or conveyed to a carriage for stacking and loading, and the like, which can not leave equipment for conveying the materials.

The existing equipment for transporting materials has the following defects: 1. the existing material conveying equipment only has constant conveying speed, and only can be stopped to perform regulation and control conveying when the conveying speed is changed or the conveying cannot be normally performed under the condition of some sudden accidents in the conveying process due to the adjustment of a feeding conveying line, so that the application range is small and the practicability is poor; 2. the conventional material conveying equipment can not control the material output time and the conveying position of the material generally, and is poor in practicability.

Disclosure of Invention

The invention aims to solve the problems of incapability of regulating and controlling delivery, small application range and poor practicability; the device does not have the function of controlling the material output time and the material conveying position, and has poor practicability.

The technical scheme of the invention is realized as follows: a rhythm-controllable stacking mechanical arm with a stacking function comprises a conveying arm main body, a stacking assembly is mounted at the rear end of the conveying arm main body, the middle of the conveying arm main body is provided with a bag control assembly, the front end of the conveying arm main body is provided with a lengthening conveying mechanism, the front end of the accumulation assembly is connected with the rear end of the bag control assembly in a bearing way, the front end of the bag control assembly is connected with the rear end of the lengthened conveying mechanism in a bearing way, the accumulation assembly accumulates materials, the bag control assembly controls the sending time of the materials, the accumulation assembly and the bag control assembly are matched to send the materials out, when the material at the rear end is conveyed too fast, the material conveyed forwards is accumulated and stored by the accumulation assembly, when the rear end material is conveyed too slowly, the material stored in the accumulating assembly is conveyed forwards for supplement, so that the material is always conveyed out from the front end, and the rear end can input the material at any speed in such a way; when the front end material is conveyed too slowly, the material input from the rear end can be accumulated and stored through the accumulation assembly, when the front end material is conveyed too fast, the accumulation assembly supplements the material stored by the accumulation assembly, the normal input of the rear end material is not influenced, and meanwhile, the front end can output the material at any speed; in conclusion, the structure enables the front end to output the speed controllable, the rear end to input the speed at any speed, and the structure is wide in application range and high in practicability.

Further, the stacking assembly comprises a transmission mechanism arranged at the rear end of the conveying arm main body in an array mode, a linkage mechanism for linking the transmission mechanism of the array mode, and a first driving mechanism for driving the linkage mechanism to work, wherein the linkage mechanism is respectively connected with the transmission mechanism of the array mode through a clutch, the clutch is arranged corresponding to the transmission mechanism, the clutch controls the corresponding transmission mechanism to work, the transmission mechanisms have the same transmission direction, the first driving mechanism drives the transmission mechanism of the array mode to work through the linkage mechanism to achieve normal speed conveying of materials, when the materials are conveyed too fast and need to be stacked, the materials are conveyed to a first transmission mechanism at the front end through the transmission mechanism of the array mode, then the first transmission mechanism stops working through the control of a first clutch, the first materials are stacked on the first clutch, and the subsequent materials are conveyed to a second transmission mechanism at the front end through the transmission mechanism of the array mode, and then the second clutch controls the second transmission mechanism to stop working, the second materials are accumulated, and then the materials are sequentially controlled in the same mode to be accumulated on the accumulation assembly.

Further, drive mechanism is including rotating two transmission shafts of connection in the transport arm main part, and the drive belt of two transmission shafts is connected in the transmission is one, the clutch is installed in the transport arm main part outside, and the end fixed connection of clutch output and one of them transmission shaft, drive mechanism mainly plays the transmission and carries the effect of material forward, and the clutch mainly provides power and drives one of them transmission shaft work, and then one of them transmission shaft drives another transmission shaft through the drive belt and rotates, realizes drive mechanism's control.

Further, link gear is including corresponding the input belt pulley of fixed fixing at the clutch input, actuating mechanism drives two input belt pulleys of its position through the belt and rotates, link through belt one between the input belt pulley of per two arrays of actuating mechanism position front side, two linkages through the belt between the input belt pulley of per two arrays of actuating mechanism position rear side, the belt between the input belt pulley of per two adjacent input belt pulleys of this kind of mode sets up independently, when breaking down, change alone can, change the maintenance simple and convenient, more convenient to use.

Furthermore, the first driving mechanism comprises a driving motor and a speed reducer which are fixed at the top of the conveying arm main body through a support, and a driving belt pulley fixed at the output shaft end of the speed reducer, wherein the driving belt pulley drives the two input belt pulleys at the positions to rotate through a belt, and the first driving mechanism mainly provides power to drive the linkage mechanism to work, so that the linkage mechanism drives the transmission mechanism of the array to work, and the transmission of the power is realized.

Further, the control bag assembly comprises a lower transmission mechanism arranged in the conveying arm main body, two arm supports correspondingly fixed on two sides of the conveying arm main body through bolts, an upper transmission mechanism rotatably connected between the two arm supports, and a second driving mechanism arranged on one arm support, wherein the second driving mechanism drives transmission shafts of the upper transmission mechanism to rotate, one transmission shaft of the upper transmission mechanism is in transmission connection with one transmission shaft of the lower transmission mechanism through a transmission chain, a discharge hole is formed between the upper transmission mechanism and the lower transmission mechanism, the front end of the upper transmission mechanism is connected with the front end of the lower transmission mechanism through a spring, the springs are correspondingly arranged on two sides, the upper transmission mechanism and the lower transmission mechanism clamp materials in the middle through spring pulling, so that the materials are stopped to be conveyed forwards, and when the materials are required to be conveyed forwards, the second driving mechanism drives the upper transmission mechanism to work, meanwhile, the upper transmission mechanism drives the lower transmission mechanism to work through the transmission chain, so that the materials clamped in the discharge port are conveyed out, accurate positioning control can be performed on the output time of the materials and the conveying position of the materials in this way, the controllability of the materials is improved, and the practicability is high.

Further, extension conveying mechanism is including rotating two transmission shafts two of connection at the transport arm main part front end, and two transmission shafts two's drive belt two is connected in the transmission, installs the actuating mechanism three on transport arm main part top through the mounting bracket, actuating mechanism three drives one of them transmission shaft two and rotates, drives one of them transmission shaft two through actuating mechanism two and rotates, makes extension conveying mechanism work realize forward transport, and extension conveying mechanism can play effectual direction extension effect, increases holistic stability, can improve holistic quantity of bearing simultaneously, can reserve sufficient reaction time for accuse package assembly, ensures the stability of material transport.

Further, the driving mechanism III comprises a motor II and a speed reducer II which are fixed at the front end of the conveying arm main body through a mounting frame, a driving gear II fixed at the end of an output shaft of the speed reducer II is fixed, an output shaft of the motor II is fixedly connected with an input shaft of the speed reducer II, one end of a transmission shaft of the lengthened conveying mechanism is fixedly connected with a driven gear II, the driving gear II is in transmission connection with the driven gear II through a chain, and the driving mechanism III mainly provides power to drive a transmission belt II to move.

Further, the inner side of the front end of the conveying arm main body is rotatably connected with carrier rollers, the carrier rollers are arranged in an array mode, the inner side of the front end of the conveying arm main body is fixedly connected with a supporting plate, the supporting plate is arranged in an array mode, the supporting plate and the carrier rollers are arranged alternately, the inner top surfaces of the two driving belts are respectively matched with the supporting plates of the array and the carrier rollers of the array, the supporting plates and the carrier rollers can play a sufficient supporting role, and the bearing capacity of the lengthening conveying mechanism can be effectively improved.

Further, the side of carrying the arm main part is rotated and is connected with the tensioning roller, the tensioning roller corresponds the setting with belt one and belt two respectively, and the tensioning roller that corresponds with belt one tensioning, tensioning roller that corresponds with belt two tensioning, the tensioning roller mainly is the tensioning belt, skids during the prevention transmission.

The beneficial effects of the invention are summarized as follows: firstly, materials are conveyed to a first transmission mechanism at the front end through the transmission mechanisms of the array, then the first transmission mechanism stops working under the control of a first clutch, the first materials are stacked on the first clutch, the subsequent materials are continuously conveyed to a second transmission mechanism at the front end through the transmission mechanisms of the array, then the second transmission mechanism stops working under the control of a second clutch, the second materials are stacked, and then the materials are sequentially controlled in the same way, so that the materials are stacked on a stacking assembly, when the stacking is finished and needs to be supplemented forwards, the first transmission mechanism is controlled to work through the first clutch to convey the first stacked materials forwards, then the transmission mechanisms of the array at the rear end are sequentially controlled to work to convey the stacked materials forwards, so that the materials are supplemented, and the materials can be regulated and conveyed in the way, the application range is large, and the practicability is strong; and secondly, the spring pulling is used for enabling the upper transmission mechanism and the lower transmission mechanism to clamp the material in the middle, so that the material is stopped to be conveyed forwards, when the material is required to be conveyed forwards, the second driving mechanism drives the upper transmission mechanism to work, and meanwhile, the upper transmission mechanism drives the lower transmission mechanism to work through the transmission chain, so that the material clamped in the discharge port is conveyed out.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a transmission mechanism, a first driving mechanism and a linkage mechanism of the invention.

FIG. 3 is a schematic structural diagram of a control packet assembly according to the present invention.

FIG. 4 is a schematic structural diagram of the elongated conveying mechanism of the present invention.

In the figure: the automatic conveying device comprises a conveying arm main body 1, a power and free assembly 2, a bag control assembly 3, a lengthened conveying mechanism 4, a transmission mechanism 5, a driving mechanism I6, a clutch 7, a transmission shaft 8, a transmission belt I9, a driving motor 10, a speed reducer 11, a driving belt pulley 12, a belt II 13, a linkage mechanism 14, an input belt pulley 15, a transmission mechanism II 16, an arm support 17, an upper transmission mechanism 18, a driving mechanism II 19, a driving chain 20, a discharge port 21, a spring 22, a transmission shaft II 23, a transmission belt II 24, a driving mechanism III 25, a motor II 26, a speed reducer II 27, a driving gear II 28, a driven gear II 29, a carrier roller 30, a supporting plate 31, a tensioning roller 32 and a belt I33.

Detailed Description

In order to further understand the present invention, the following detailed description will be made on a controllable rhythm robot arm with a stacking function according to the present invention with reference to the examples and the accompanying drawings, and the examples are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in figure 1, the stacking mechanical arm with the stacking function and controllable rhythm comprises a conveying arm main body 1, a stacking assembly 2 is installed at the rear end of the conveying arm main body 1, a bag control assembly 3 is installed in the middle of the conveying arm main body 1, a lengthened conveying mechanism 4 is installed at the front end of the conveying arm main body 1, the front end of the stacking assembly 2 is connected with the rear end of the bag control assembly 3, the front end of the bag control assembly 3 is connected with the rear end of the lengthened conveying mechanism 4, materials are stacked on the stacking assembly 2, the bag control assembly 3 controls the material sending time, the stacking assembly 2 and the bag control assembly 3 are matched to send out the materials, when the material at the rear end is conveyed too fast, the material conveyed forwards is accumulated and stored by the accumulating assembly 2, when the rear end material is conveyed too slowly, the material stored in the accumulating assembly 2 is conveyed forwards for supplement, so that the material is always conveyed out from the front end, and the rear end can input the material at any speed in such a way; when the front end material is conveyed too slowly, the material input from the rear end can be accumulated and stored through the accumulation assembly 2, when the front end material is conveyed too fast, the accumulation assembly 2 is supplemented by the material accumulated by the accumulation assembly, the normal input of the material at the rear end is not influenced, and meanwhile, the front end can output the material at any speed; in conclusion, the structure enables the front end to output controllable speed and the rear end to input any speed, so that the application range is wide and the practicability is strong;

as shown in fig. 2, the accumulating assembly 2 includes a transmission mechanism 5 arrayed at the rear end of the conveying arm body 1, a linkage mechanism 14 for linking the transmission mechanism 5 of the array, a driving mechanism one 6 for driving the linkage mechanism 14 to work, the linkage mechanisms 14 are respectively connected with the transmission mechanisms 5 of the array through clutches 7, the clutches 7 are arranged corresponding to the transmission mechanisms 5, the clutches 7 control the corresponding transmission mechanisms 5 to work, the transmission mechanisms 5 have the same transmission direction, the driving mechanism one 6 drives the transmission mechanisms 5 of the array to work through the linkage mechanism 14, so as to realize normal speed conveying of the materials, when the materials are conveyed too fast and need to be accumulated, the materials are conveyed to the first transmission mechanism 5 at the front end through the transmission mechanisms 5 of the array, then the first transmission mechanism 5 is stopped to work through the control of the first clutch 7, the first materials are accumulated on the first clutch 7, the subsequent materials are continuously conveyed to the second transmission mechanism 5 at the front end through the transmission mechanisms 5 of the array, then the second transmission mechanism 5 stops working under the control of the second clutch 7, the second materials are accumulated, and then the materials are sequentially controlled in the same mode to be accumulated on the accumulation assembly 2; the transmission mechanism 5 comprises two transmission shafts 8 which are rotatably connected in the conveying arm main body 1, a first transmission belt 9 which is in transmission connection with the two transmission shafts 8, a clutch 7 is arranged on the outer side of the conveying arm main body 1, the output end of the clutch 7 is fixedly connected with the end of one transmission shaft 8, the transmission mechanism 5 mainly plays a role of transmitting materials forwards, the clutch 7 mainly provides power to drive one transmission shaft 8 to work, and then one transmission shaft 8 drives the other transmission shaft 8 to rotate through the first transmission belt 9, so that the control of the transmission mechanism 5 is realized; the linkage mechanism 14 comprises input belt pulleys 15 correspondingly and fixedly fixed at the input end of the clutch 7, the first driving mechanism 6 drives the two input belt pulleys 15 at the position of the first driving mechanism to rotate through a belt, the input belt pulleys 15 of each two arrays at the front side of the position of the first driving mechanism 6 are linked through a first belt 33, the input belt pulleys 15 of each two arrays at the rear side of the position of the first driving mechanism 6 are linked through a second belt 13, and in this way, the belts between every two adjacent input belt pulleys 15 are independently arranged, and when a fault occurs, the single replacement can be realized, the replacement and maintenance are simple and convenient, and the use is more convenient; the first driving mechanism 6 comprises a driving motor 10 and a speed reducer 11 which are fixed on the top of the conveying arm main body 1 through a support, and a driving belt pulley 12 fixed at the output shaft end of the speed reducer 11, the driving belt pulley 12 drives two input belt pulleys 15 at the positions of the driving belt pulley 12 to rotate through a belt, and the first driving mechanism 6 mainly provides power to drive a linkage mechanism 14 to work, so that the linkage mechanism 14 drives the transmission mechanism 5 of the array to work, and the power transmission is realized;

as shown in fig. 3, the bag control assembly 3 includes a lower transmission mechanism 16 installed inside the conveying arm main body 1, two arm supports 17 correspondingly fixed on two sides of the conveying arm main body 1 through bolts, an upper transmission mechanism 18 rotatably connected between the two arm supports 17, a second drive mechanism 19 installed on one arm support 17, the second drive mechanism 19 driving the transmission shafts of the upper transmission mechanism 18 to rotate, one of the transmission shafts of the upper transmission mechanism 18 and one of the transmission shafts of the lower transmission mechanism 16 are in transmission connection through a transmission chain 20, a discharge port 21 is formed between the upper transmission mechanism 18 and the lower transmission mechanism 16, the front end of the upper transmission mechanism 18 and the front end of the lower transmission mechanism 16 are connected through a spring 22, the springs 22 are correspondingly arranged on two sides, the upper transmission mechanism 18 and the lower transmission mechanism 16 clamp the material therebetween through the pulling of the spring 22, so that the material stops being conveyed forward, when the materials need to be conveyed forwards, the second driving mechanism 19 drives the upper transmission mechanism 18 to work, and meanwhile, the upper transmission mechanism 18 drives the lower transmission mechanism 16 to work through the transmission chain 20, so that the materials clamped in the discharge hole 21 are discharged;

as shown in fig. 4, the lengthening conveying mechanism 4 comprises two transmission shafts two 23 rotatably connected to the front end of the conveying arm main body 1, a transmission belt two 24 for driving and connecting the two transmission shafts two 23, and a driving mechanism three 25 mounted on the top end of the conveying arm main body 1 through a mounting bracket, wherein the driving mechanism three 25 drives one of the transmission shafts two 23 to rotate, and the driving mechanism two 19 drives one of the transmission shafts two 23 to rotate, so that the lengthening conveying mechanism 4 works to realize forward conveying, the lengthening conveying mechanism 4 can play an effective guiding lengthening role, the overall stability is increased, the overall bearing quantity is increased, sufficient reaction time can be reserved for the control bag assembly 3, and the stability of material conveying is ensured; the driving mechanism III 25 comprises a motor II 26 and a speed reducer II 27 which are fixed at the front end of the conveying arm main body 1 through a mounting frame, and a driving gear II 28 fixed at the end of an output shaft of the speed reducer II 27, the output shaft of the motor II 26 is fixedly connected with an input shaft of the speed reducer II 27, one end of a transmission shaft of the lengthening conveying mechanism 4 is fixedly connected with a driven gear II 29, the driving gear II 28 is in transmission connection with the driven gear II 29 through a chain, and the driving mechanism III 25 mainly provides power to drive a transmission belt II 24 to move; the inner side of the front end of the conveying arm main body 1 is rotatably connected with carrier rollers 30, the carrier rollers 30 are arranged in an array mode, the inner side of the front end of the conveying arm main body 1 is fixedly connected with supporting plates 31, the supporting plates 31 are arranged in an array mode, the supporting plates 31 and the carrier rollers 30 are alternately arranged, the inner top surfaces of the second driving belt 24 are respectively matched with the supporting plates 31 in the array mode and the carrier rollers 30 in the array mode, the supporting plates 31 and the carrier rollers 30 can play a sufficient supporting role, and the bearing capacity of the lengthening conveying mechanism 4 can be effectively improved;

as shown in fig. 2, a tension roller 32 is rotatably connected to a side surface of the conveying arm body 1, the tension rollers 32 are respectively arranged corresponding to the first belt 33 and the second belt 13, the tension roller 32 corresponding to the first belt 33 tensions the first belt 33, the tension roller 32 corresponding to the second belt 13 tensions the second belt 13, and the tension roller 32 mainly tensions the belt to prevent slipping during transmission.

Instructions for use: when the material conveying device is installed, the rear end of the conveying arm main body 1 is fixedly installed, the rear end of the accumulating assembly 2 is connected with an external feeding conveying belt, then the external feeding conveying belt conveys materials to the accumulating assembly 2, then the accumulating assembly 2 forwards the materials to the bag control assembly 3, the bag control assembly 3 accurately controls the material discharging time, then the bag control assembly 3 forwards the materials to the lengthening conveying mechanism 4, then the lengthening conveying mechanism 4 forwards outputs the materials to be switched to another external device, or other processes such as stacking are carried out, and the material is switched and conveyed; the front end can output controllable speed through the accumulation assembly 2, and the rear end can input any speed, so that the application range is wide and the practicability is strong; the output time of the materials and the conveying position of the materials can be accurately positioned and controlled through the control bag assembly 3, the controllability of the materials is improved, the conveying rhythm can be flexibly controlled, and the practicability is high; the working principle of the power and free assembly 2 is as follows: the first driving mechanism 6 drives the transmission mechanisms 5 of the array to work through the linkage mechanism 14 to realize normal speed transmission of materials, when the materials are conveyed too fast and need to be accumulated, the materials are conveyed to the first transmission mechanism 5 at the front end through the transmission mechanisms 5 of the array, then the first transmission mechanism 5 stops working under the control of the first clutch 7, the first materials are accumulated on the first clutch 7, the subsequent materials are continuously conveyed to the second transmission mechanism 5 at the front end through the transmission mechanisms 5 of the array, then the second transmission mechanism 5 stops working under the control of the second clutch 7, the second materials are accumulated, then the accumulation of the materials on the accumulation assembly 2 is realized through sequential control in the same mode, when the accumulation is finished and the materials need to be supplemented forwards, the first transmission mechanism 5 is controlled to work through the first clutch 7 to convey the first accumulated materials forwards, then, the transmission mechanisms 5 of the rear end array are sequentially controlled to work to convey accumulated materials forwards, so that the materials are supplemented; the working principle of the control package assembly 3 is as follows: the material is clamped between the upper transmission mechanism 18 and the lower transmission mechanism 16 through the spring 22 in the middle, the material is stopped to be conveyed forwards, when the material is required to be conveyed forwards, the second driving mechanism 19 drives the upper transmission mechanism 18 to work, meanwhile, the upper transmission mechanism 18 drives the lower transmission mechanism 16 to work through the transmission chain 20, the material clamped in the discharge hole 21 is sent out, and through the mode, accurate positioning control can be carried out on the output time of the material and the conveying position of the material, the controllability of the material is improved, and the practicability is high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.