CN217555129U - Loading and unloading device for material transmission - Google Patents

Abstract

The utility model relates to a feeding and discharging device for material transmission, which comprises a frame, wherein a conveying mechanism, a positioning mechanism and a grabbing mechanism are arranged on the frame; the positioning mechanism is arranged at the discharge end of the conveying mechanism; the positioning mechanism is used for driving the luggage rack to lift and leave the conveying mechanism; the grabbing mechanism is arranged above the positioning mechanism and comprises a clamping jaw, a lifting device for driving the clamping jaw to lift and a driving device for driving the clamping jaw to rotate. This device carries out the automation to the luggage rack through conveying mechanism, then snatchs through the clamping jaw after fixing a position the luggage rack, and the luggage rack on the clamping jaw can be taken fast to the manipulator, and the staff also only need with the luggage rack put on conveying mechanism can, reduced staff's the work degree of difficulty for the manipulator snatchs the speed of luggage rack, can improve the machining efficiency of whole polishing process.

Description

Loading and unloading device for material transmission

Technical Field

The utility model relates to a luggage rack processing equipment field, more specifically relates to an go up unloader who carries out material transmission.

Background

At present, the luggage rack is manufactured by mainly using special section profiles as processing raw materials through the processes of stretch bending, saw cutting, drilling and baking finish, and different luggage rack products are manufactured according to different vehicle types. In the production process of the luggage rack, the luggage rack needs to be processed, and the luggage rack is polished after being grabbed by a mechanical arm in some existing processing modes.

If the publication number is 'CN 207415068U', chinese patent document with publication number of 2018, 5 and 29 months discloses a luggage rack grinding and polishing system, which comprises a protection room, a workpiece positioning part, a robot, a rough polishing part, a semi-finishing polishing part, a rough polishing part and a finishing polishing part, wherein the workpiece positioning part is arranged in the protection room, a multi-direction rotating clamp part is arranged at the end of a swinging arm of the robot, the workpiece positioning part is provided with a connecting part with a buffering function and a positioning rack assembly which is matched with a workpiece, the connecting part is arranged on the workpiece positioning part, and the positioning rack assembly is detachably arranged with the multi-direction rotating clamp part; the protective house is externally provided with a monitoring part which can control the robot to clamp the positioning frame component and drive a workpiece arranged on the positioning frame component to be sequentially connected with the rough polishing component, the semi-finishing component, the rough polishing component, the finishing component and the workpiece positioning part, so that the workpiece can complete the feeding process, the rough polishing process, the semi-finishing process, the finishing polishing process, the rough polishing process, the finishing polishing process and the discharging process at one time, and the workpiece positioning part, the robot, the rough polishing component, the semi-finishing component, the rough polishing component and the finishing polishing component are respectively connected with the monitoring part.

In the technical scheme, the workpiece can be loaded and further processed only by fixing the workpiece on the positioning frame assembly, and the workpiece has certain weight and length, so that certain difficulty is caused to the work of workers, and the efficiency of the whole process flow of the luggage rack is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned prior art problem of luggage rack material loading difficulty and inefficiency, provide an unloader that carries out material transmission, accomplish the automatic feeding of luggage rack and fixed, the manipulator of can being convenient for snatch.

In order to solve the technical problem, the utility model adopts the technical scheme that: a loading and unloading device for material transmission comprises a rack, wherein a conveying mechanism for conveying a luggage rack, a positioning mechanism for fixing the position of the luggage rack and a grabbing mechanism for grabbing the luggage rack are arranged on the rack; the positioning mechanism is arranged at the discharge end of the conveying mechanism; the positioning mechanism is used for driving the luggage rack to lift and leave the conveying mechanism; the grabbing mechanism is arranged above the positioning mechanism and comprises a clamping jaw, a lifting device for driving the clamping jaw to lift and a driving device for driving the clamping jaw to rotate; the clamping jaw is used for clamping the luggage rack on the positioning mechanism.

In the technical scheme, a worker puts the luggage rack to be polished into the feeding end of the conveying mechanism, the polishing surface of the luggage rack faces upwards, the conveying mechanism conveys the luggage rack to one side of the discharging end, and the positioning mechanism jacks up the luggage rack to enable the luggage rack to be separated from the conveying mechanism. The lifting device of the grabbing mechanism drives the clamping jaw to descend to the luggage rack, then the lifting device resets after the luggage rack is clamped by the clamping jaw, the driving device drives the clamping jaw to rotate 90 degrees, the polishing surface of the luggage rack can face one side of the clamping jaw, and the grabbing surface can face the mechanical arm. In the subsequent polishing process, the mechanical arm grabs the luggage rack on the clamping jaw, and the polishing surface of the luggage rack faces outwards, so that the polishing process can be directly carried out. In the above solution, the lifting device may be a cylinder, a hydraulic cylinder, or other mechanisms. The driving device can be a rotary cylinder, a motor, a steering engine and other mechanisms.

Preferably, the positioning mechanism further comprises a moving plate connected with the rack in a sliding manner, a pushing device for driving the moving plate to move, a first positioning assembly and a second positioning assembly, the first positioning assembly and the second positioning assembly respectively comprise a positioning bolt, a limiting fixture block and a lifting device, the positioning bolt and the limiting fixture block are mounted on a fixed plate, and the lifting device drives the fixed plate to ascend; the first positioning assembly and the second positioning assembly are mounted on the moving plate. The luggage rack is divided into a left piece and a right piece, and the left piece and the right piece have slight differences in structure, such as the position of a fabrication hole and a curved surface on the surface, and if the left piece and the right piece are not divided, the subsequent polishing processing is influenced. And the first positioning component and the second positioning component are respectively used for positioning the left piece and the right piece, and the difference between the first positioning component and the second positioning component is that the positions of the positioning bolts are different. The principle of positioning is as follows: according to whether the luggage rack of current processing is left part or right part, promote the movable plate motion through thrust unit for correspond locating component and be located the station, when the luggage rack was carried to the discharge end by conveying mechanism, hoisting device drove the fixed plate and rises, made location bolt and spacing fixture block rise, the luggage rack falls into spacing fixture block, the location bolt inserts the fabrication hole of luggage rack, realizes the location to the luggage rack, so that snatch snatching of mechanism.

Preferably, a detection assembly is arranged on one side, located at the feeding end of the conveying mechanism, of the rack and is used for detecting a fabrication hole of the luggage rack. The detection assembly may be a detection pin that can be inserted into the process hole or an infrared sensor that can sense the process hole. If the fabrication hole of setting for the left part can be sensed by infrared sensor or can be inserted by the detection bolt, so when infrared sensor and detection bolt can't detect the fabrication hole, prove this luggage rack is right part so to this reminds the staff to put wrong left and right parts of luggage rack, avoids influencing subsequent automatic polishing process.

Preferably, the two sides of the rack are provided with width adjusting mechanisms which comprise a sliding table module and a baffle plate which are arranged on the rack; the sliding table module comprises a sliding strip and a pushing mechanism for pushing the sliding strip to do linear motion, and the baffle is installed on the sliding strip. In order to avoid that the staff makes the slide bar move to the position close to the center through the pushing mechanism when placing the luggage rack on the conveying mechanism, the width of the baffle plates on the two sides is in a proper range, the range can ensure that the luggage rack can be randomly placed and the detection function of the detection assembly can be normal, and meanwhile, the luggage rack cannot be placed difficultly due to too small size. According to the different sizes of luggage rack, adjust width adjustment mechanism, make the device can be used for the luggage rack transport of different models. The pushing mechanism can be in an electric mode or a manual mode, the electric mode can be an electric push rod or a combination of a screw rod and a motor, and the manual mode can be a manual push rod or a combination of a screw rod and a hand wheel.

Preferably, the width adjusting mechanism further comprises a plurality of guide rods arranged on the rack and connected with the sliding strips. The pushing mechanism is a hand wheel and a screw rod connected with the hand wheel, and the sliding strip is connected with the screw rod and moves linearly along the screw rod. When the position of the baffle needs to be adjusted, the corresponding hand wheel is rotated, the screw rod is rotated, the sliding strip is in threaded connection with the screw rod, linear motion is carried out along the screw rod under the action of the guide rod, and finally adjustment of the baffle is achieved.

Preferably, a sliding bar of the width adjusting mechanism on one side is provided with an air cylinder for pushing the baffle to move on the sliding bar. In order to facilitate the staff material loading, the distance between the baffle of both sides is greater than the length of luggage rack, therefore the luggage rack may have left inclined or to the right inclined problem, this problem leads to positioning mechanism to be difficult to accomplish the location, and the fabrication hole of luggage rack is perhaps unable to be aimed at to the location bolt, carries out the secondary through the cylinder to the baffle and removes, and the baffle promotes the luggage rack to the baffle laminating with the opposite side, realizes the standardization of luggage rack position, ensures that the location bolt can insert to the fabrication hole.

Preferably, the conveying mechanism comprises a conveying chain and a first driving motor for driving the conveying chain to operate, and a positioning clamping block is arranged on the conveying chain. The conveying chain comprises two parallel chains, and the working personnel can ensure that the luggage rack can be stably conveyed on the conveying chain by placing the luggage rack on the positioning clamping block.

Preferably, the positioning clamping blocks and the limiting clamping blocks are consistent in structure and are provided with grooves used for being clamped with the convex strips of the luggage rack. The both sides of luggage rack are equipped with the sand grip, and after the draw-in groove and the sand grip cooperation of spacing fixture block and location fixture block, the luggage rack just can not take place phenomenons such as roll in spacing fixture block and location fixture block, and the transmission of luggage rack is more stable, the subsequent processing flow of being convenient for.

Preferably, the automatic feeding device further comprises a blanking conveying belt arranged on the rack and positioned above the conveying mechanism, and a second driving motor for driving the blanking conveying belt to operate. After the processing of the luggage rack is completed, the mechanical arm can place the luggage rack on the blanking conveying belt, and meanwhile, the blanking of the luggage rack is completed through the conveying device, so that the function of the device is more comprehensive. And the unloading conveyer belt is close to and snatchs the mechanism, and such form of setting up only needs to remove shorter distance and just can take and snatch the luggage rack that treats polishing on the mechanism after the manipulator puts down the luggage rack that accomplishes the polishing. Because the polished luggage rack does not need to be positioned or limited, the luggage rack is conveyed only by a conveying belt, and the action and the difficulty of putting down the luggage rack by a manipulator are reduced.

Compared with the prior art, the beneficial effects of the utility model are that: this device carries out the automation to the luggage rack through conveying mechanism, then snatchs through the clamping jaw after fixing a position the luggage rack, and the luggage rack on the clamping jaw can be taken fast to the manipulator, and the staff also only need with the luggage rack put on conveying mechanism can, reduced staff's the work degree of difficulty for the manipulator snatchs the speed of luggage rack, can improve the machining efficiency of whole polishing process.

Drawings

Fig. 1 is a schematic structural view of the feeding and discharging device for material transportation according to the present invention.

Fig. 2 is a schematic structural view of the gripping mechanism of the present invention;

fig. 3 is a schematic structural view of the positioning mechanism of the present invention;

fig. 4 is a schematic structural view of the width adjustment mechanism of the present invention;

FIG. 5 is a partial enlarged view of the location A of FIG. 1;

fig. 6 is a schematic structural diagram of another embodiment of the feeding and discharging device for material transportation according to the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations of the present patent, and specific meanings of the above terms can be understood according to specific situations by those of ordinary skill in the art.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1-5, an embodiment of a loading and unloading device for material transportation includes a frame 1, where the frame 1 is provided with a conveying mechanism 2 for conveying a baggage rack, a positioning mechanism 3 for fixing the position of the baggage rack, and a grabbing mechanism 4 for grabbing the baggage rack; the positioning mechanism 3 is arranged at the discharge end of the conveying mechanism 2; the positioning mechanism 3 is used for driving the luggage rack to lift and leave the conveying mechanism 2; the grabbing mechanism 4 is arranged above the positioning mechanism 3 and comprises a clamping jaw 401, a lifting device 402 for driving the clamping jaw 401 to lift and a driving device 403 for driving the clamping jaw 401 to rotate, and the driving device 403 is a steering engine and can rotate by a specified angle; the clamping jaws 401 are used to clamp a luggage rack located on the positioning mechanism 3. The jaws 401 are pneumatic jaws 401, which are mechanical components commonly used in the art and not described herein. In this embodiment, in order to enable the grabbing mechanism 4 to grab the luggage rack more stably, two clamping jaws 401 are provided, but not limited to two, and those skilled in the art may add them as needed.

Specifically, in this embodiment, the clamping jaw 401 and the driving device 403 are both installed on the installation frame 404, wherein the installation frame 404 is provided with a rotating shaft 405, the clamping jaw 401 is both installed on the rotating shaft 405, and the driving device 403 drives the rotating shaft 405 to rotate, so as to drive the clamping jaw 401 to rotate. And the lifting device 402 is connected with the mounting frame 404 to drive the whole mounting frame 404 to move.

The positioning mechanism 3 comprises a moving plate 301 connected with the rack 1 in a sliding manner, a pushing device 302 for driving the moving plate 301 to move, a first positioning assembly 303 and a second positioning assembly 304, the first positioning assembly 303 and the second positioning assembly 304 respectively comprise a positioning bolt 305, a limiting fixture block 306 and a lifting device 307, the positioning bolt 305 and the limiting fixture block 306 are installed on a fixing plate, the lifting device 307 drives the fixing plate to ascend, and the lifting device 307 is an air cylinder; the first positioning assembly 303 and the second positioning assembly 304 are both mounted on the moving plate 301. The luggage rack is divided into a left piece and a right piece, the structures of the left piece and the right piece are slightly different, such as the position of a fabrication hole and the curved surface of the surface, and if the left piece and the right piece are not divided, the subsequent polishing processing is influenced. While the first positioning assembly 303 and the second positioning assembly are used for positioning the left member and the right member, respectively, the difference between the two is that the positioning pins 305 are not located at the same position. The principle of positioning is as follows: according to whether the luggage rack of current processing is left or right, promote the motion of movable plate 301 through thrust unit 302, make and correspond locating component and be located the station, when the luggage rack is carried to the discharge end by conveying mechanism 2, hoisting device 307 drives the fixed plate and rises, make location bolt 305 and spacing fixture block 306 rise, the luggage rack falls into spacing fixture block 306, location bolt 305 inserts the fabrication hole of luggage rack, the realization is to the location of luggage rack, so that snatch of mechanism 4. In this embodiment, the two positioning mechanisms 3 are respectively located at two sides of the conveying mechanism 2, and the two positioning mechanisms 3 position the baggage rack from two sides, so that the baggage rack is more stable.

Specifically, the rack 1 is provided with a detection assembly 5 at one side of the feed end of the conveying mechanism 2, and the detection assembly 5 is used for detecting a fabrication hole of the luggage rack. The detection component 5 is an infrared sensor, if the fabrication hole of setting for the left part can be sensed by the infrared sensor, then the infrared sensor can not detect the fabrication hole, so that the luggage rack is proved to be the right part, and therefore the worker is reminded to misplace the left part and the right part of the luggage rack, and subsequent automatic polishing procedures are prevented from being influenced.

In this embodiment, the width adjusting mechanisms 6 are disposed on two sides of the frame 1, and include a sliding table module and a baffle 601 mounted on the frame 1; the sliding table module comprises a sliding bar 602 and a pushing mechanism 603 for pushing the sliding bar 602 to move linearly, and the baffle 601 is mounted on the sliding bar 602. In order to avoid that the worker can not normally realize the detection function of the detection assembly 5 due to too large position deviation when placing the luggage rack on the conveying mechanism 2, the sliding strip 602 is moved to the position close to the center through the pushing mechanism 603, the width of the baffle plates 601 at the two sides is in a proper range, the range can ensure that the detection assembly 5 can also normally detect after the luggage rack is placed at will, and meanwhile, the luggage rack cannot be placed difficultly due to too small size. According to the different sizes of luggage rack, adjust width adjustment mechanism 6, make the device can be used for the luggage rack transport of different models.

Wherein, a cylinder 604 for pushing the baffle 601 to move on the sliding bar 602 is arranged on the sliding bar 602 of the width adjusting mechanism 6 on one side. In order to facilitate the feeding of workers, the distance between the baffles 601 at the two sides is greater than the length of the luggage rack, so that the luggage rack may have the problem of being inclined leftwards or rightwards, the positioning mechanism 3 is difficult to complete the positioning due to the problem, the positioning bolt 305 may not be aligned to the fabrication hole of the luggage rack, the baffles are moved for the second time through the air cylinders 604, the luggage rack is pushed to be attached to the baffles at the other sides by the baffles, the standardization of the positions of the luggage rack is realized, and the positioning bolt 305 is ensured to be inserted into the fabrication hole.

In addition, the conveying mechanism 2 comprises a conveying chain 201 and a first driving motor 202 for driving the conveying chain 201 to operate, and a positioning block 203 is arranged on the conveying chain 201. The conveying chain 201 comprises two parallel chains, and the worker can ensure the stable conveying of the luggage rack on the conveying chain 201 by placing the luggage rack on the positioning fixture block 203. The positioning latch 203 and the limiting latch 306 have the same structure, and are provided with grooves for being engaged with the protruding strips of the luggage rack. The two sides of the luggage rack are provided with the convex strips, after the clamping grooves of the limiting clamping block 306 and the positioning clamping block 203 are matched with the convex strips, the luggage rack cannot roll in the limiting clamping block 306 and the positioning clamping block 203, and the like, so that the luggage rack is more stable in transmission and convenient for subsequent processing flows.

The working principle or working flow of the embodiment is as follows: the width adjusting mechanism 6 is adjusted according to the type of the luggage rack, and the pushing device 302 pushes the corresponding first positioning component 303 or second positioning component 304 to the discharging end of the conveying mechanism 2 according to whether the luggage rack to be polished currently is a left piece or a right piece. The staff will treat that the luggage rack of polishing is put into conveying mechanism 2's feed end and is spacing to the luggage rack through spacing fixture block 306, the polished surface of luggage rack up this moment, conveying mechanism 2 carries the luggage rack to discharge end one side, hoisting device 307 drives location bolt 305 and location fixture block 203 and rises and jack-up the luggage rack, location bolt 305 inserts the fabrication hole of luggage rack this moment, location fixture block 203 bearing luggage rack makes the luggage rack break away from conveying mechanism 2 and fix a position it. The lifting device 402 of the grabbing mechanism 4 drives the clamping jaw 401 to descend to the luggage rack on the positioning mechanism 3, then after the luggage rack is clamped by the clamping jaw 401, the lifting device 402 resets, the driving device 403 drives the clamping jaw 401 to rotate 90 degrees, the polishing surface of the luggage rack can face one side of the clamping jaw 401, and the grabbing surface can face the mechanical arm. In the subsequent polishing process, the manipulator grabs the luggage rack on the clamping jaw 401, and the polished surface of the luggage rack faces outwards, so that the polishing process can be directly carried out.

The beneficial effects of this embodiment: this device carries out the automation through conveying mechanism 2 to the luggage rack, then snatchs through clamping jaw 401 to luggage rack location back, and the manipulator can take the luggage rack on the clamping jaw 401 fast, and the staff also only need with the luggage rack put on conveying mechanism 2 can, reduced staff's the work degree of difficulty for the manipulator snatchs the speed of luggage rack, can improve the machining efficiency of whole polishing process.

Example 2

Another embodiment of the loading and unloading device for material transportation differs from embodiment 1 in that the width adjusting mechanism 6 is further defined as shown in fig. 4.

The width adjustment mechanism 6 further comprises a plurality of guide rods 605 arranged on the frame 1 and connected to the slide bars 602. The pushing mechanism 603 is a hand wheel 6031 and a lead screw 6032 connected with the hand wheel 6031, and the sliding bar 602 is connected with the lead screw 6032 and moves linearly along the lead screw 6032. When the position of the baffle 601 needs to be adjusted, the corresponding hand wheel 6031 is rotated, so that the screw rod 6032 rotates, the sliding strip 602 is in threaded connection with the screw rod 6032, and is in linear motion along the screw rod 6032 under the action of the guide rod 605, and finally the adjustment of the baffle 601 is realized.

Other features, operation principles, and advantageous effects of the present embodiment are consistent with embodiment 1.

Example 3

Another embodiment of a loading and unloading device for material transportation, which is different from embodiment 1 or embodiment 2, as shown in fig. 6, further includes a blanking conveyor belt 7 mounted on the frame 1 and located above the conveyor mechanism 2, and a second driving motor 8 for driving the blanking conveyor belt 7 to operate. After the processing of the luggage rack is completed, the mechanical arm can place the luggage rack on the blanking conveying belt 7, and meanwhile, the blanking of the luggage rack is completed through the conveying device, so that the function of the device is more comprehensive. And unloading conveyer belt 7 is close to snatchs mechanism 4, and such mode of setting up, after the manipulator put down the luggage rack that accomplishes the polishing, only need remove short distance just can take the luggage rack of treating polishing on the snatching mechanism 4. Because the polished luggage rack does not need to be positioned or limited, only the conveying belt 7 is needed for conveying, and the action and the difficulty of putting down the luggage rack by a manipulator are reduced.

Other features, operation principles, and advantageous effects of the present embodiment are consistent with embodiment 1 or embodiment 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A loading and unloading device for material transmission comprises a rack (1) and is characterized in that a conveying mechanism (2) for conveying a luggage rack, a positioning mechanism (3) for fixing the luggage rack and a grabbing mechanism (4) for grabbing the luggage rack are arranged on the rack (1); the positioning mechanism (3) is arranged at the discharge end of the conveying mechanism (2); the positioning mechanism (3) is used for driving the luggage rack to lift and leave the conveying mechanism (2); the grabbing mechanism (4) is arranged above the positioning mechanism (3) and comprises a clamping jaw (401), a lifting device (402) for driving the clamping jaw (401) to lift and a driving device (403) for driving the clamping jaw (401) to rotate; the clamping jaw (401) is used for clamping a luggage rack on the positioning mechanism (3).

2. The loading and unloading device for material conveying according to claim 1, wherein the positioning mechanism (3) further comprises a moving plate (301) slidably connected to the rack (1), a pushing device (302) for driving the moving plate (301) to move, a first positioning assembly (303) and a second positioning assembly (304), each of the first positioning assembly (303) and the second positioning assembly (304) comprises a positioning bolt (305), a limiting block (306) and a lifting device (307), and the lifting device (307) drives the positioning bolt (305) and the limiting block (306) to ascend; the first positioning assembly (303) and the second positioning assembly (304) are both mounted on the moving plate (301).

3. The loading and unloading device for material conveying according to claim 2, wherein a detection assembly (5) is arranged on one side of the machine frame (1) at the feeding end of the conveying mechanism (2), and the detection assembly (5) is used for detecting a fabrication hole of a luggage rack.

4. The loading and unloading device for material transmission according to claim 3, wherein the frame (1) is provided with width adjusting mechanisms (6) at two sides; the width adjusting mechanism (6) comprises a sliding table module and a baffle (601) which are arranged on the rack (1); the sliding table module comprises a sliding strip (602) and a pushing mechanism (603) for pushing the sliding strip (602) to do linear motion, and the baffle (601) is installed on the sliding strip (602).

5. The loading and unloading device for material conveying according to claim 4, characterised in that the width adjusting mechanism (6) further comprises a plurality of guide rods (605) arranged on the frame (1) and connected with the sliding bar (602).

6. The loading and unloading device for material conveying according to claim 5, wherein the pushing mechanism (603) is a hand wheel (6031) and a lead screw (6032) connected with the hand wheel (6031), and the sliding bar (602) is connected with the lead screw (6032) and moves linearly along the lead screw (6032).

7. The loading and unloading device for material conveying according to claim 4, wherein the sliding bar (602) of the width adjusting mechanism (6) on one side is provided with a cylinder (604) for pushing the baffle (601) to move on the sliding bar (602).

8. The loading and unloading device for material conveying according to claim 7, wherein the conveying mechanism (2) comprises a conveying chain (201) and a first driving motor (202) for driving the conveying chain (201) to operate, and a positioning block (203) is arranged on the conveying chain (201).

9. The loading and unloading device for material conveying according to claim 8, wherein the positioning fixture block (203) and the limiting fixture block (306) are consistent in structure and are provided with grooves for being clamped with the protruding strips of the luggage rack.

10. The loading and unloading device for material conveying according to any one of claims 1-9, further comprising a blanking conveyor belt (7) mounted on the frame (1) and located above the conveying mechanism (2), and a second driving motor (8) for driving the blanking conveyor belt (7) to operate.

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