CN113620049A

CN113620049A - Conveying device for product polishing

Info

Publication number: CN113620049A
Application number: CN202110951381.1A
Authority: CN
Inventors: 林澍钿; 郑志发; 钟俊杰; 毕辉; 张文城; 李杰诚; 严亚军; 黄其灿
Original assignee: Julun Guangzhou Robot And Intelligence Manufacturing Co ltd; Giant Wheel Guangzhou Intelligent Equipment Co ltd
Current assignee: Julun Guangzhou Robot And Intelligence Manufacturing Co ltd; Giant Wheel Guangzhou Intelligent Equipment Co ltd
Priority date: 2021-06-01
Filing date: 2021-08-18
Publication date: 2021-11-09

Abstract

The invention relates to a conveying device for product polishing, which comprises a rack, wherein a feeding mechanism, a positioning mechanism and a clamping mechanism are arranged on the rack; the positioning mechanism is arranged at the discharge end of the feeding mechanism; the positioning mechanism is used for driving the luggage rack to lift and leave the feeding mechanism; the clamping mechanism is arranged above the positioning mechanism and comprises a mechanical claw, a lifting device for driving the mechanical claw to lift and a driving device for driving the mechanical claw to rotate, and the driving device is a steering engine and can rotate by a specified angle; the mechanical claw is used for clamping the luggage rack on the positioning mechanism. This device carries out autoloading through feeding mechanism to the luggage rack, then snatchs through the gripper after fixing a position the luggage rack, and the manipulator can take the luggage rack on the gripper fast, and the staff also only need with the luggage rack put on feeding 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

Conveying device for product polishing

Technical Field

The invention relates to the field of luggage rack processing equipment, in particular to a conveying device for polishing products.

Background

At present, the luggage rack is manufactured by mainly using special section profiles as processing raw materials through processes of stretch bending, failure (failure meaning is not understood), 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 documents with publication date of 2018, 5 and 29 disclose a luggage rack grinding and polishing system, which comprises a protection room, a workpiece positioning component, a robot, a rough polishing component, a semi-finishing polishing component, a rough polishing component and a finish polishing component, wherein the workpiece positioning component is arranged in the protection room; 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.

Disclosure of Invention

The invention aims to solve the problems of difficulty in loading and low efficiency of the luggage rack in the prior art, and provides the conveying device for polishing products, which is used for completing automatic loading and fixing of the luggage rack and can facilitate grabbing of a manipulator.

In order to solve the technical problems, the invention adopts the technical scheme that: a conveying device for polishing products comprises a rack, wherein a feeding mechanism for conveying a luggage rack, a positioning mechanism for fixing the position of the luggage rack and a clamping mechanism for grabbing the luggage rack are arranged on the rack; the positioning mechanism is arranged at the discharge end of the feeding mechanism; the positioning mechanism is used for driving the luggage rack to lift and leave the feeding mechanism; the clamping mechanism is arranged above the positioning mechanism and comprises a mechanical claw, a lifting device for driving the mechanical claw to lift and a driving device for driving the mechanical claw to rotate; the mechanical claw is used for clamping the luggage rack on the positioning mechanism.

In the technical scheme, a worker puts a luggage rack to be polished into the feeding end of the feeding mechanism, the polishing surface of the luggage rack faces upwards at the moment, the feeding 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 feeding mechanism. The lifting device of the clamping mechanism drives the mechanical claw to descend to the luggage rack, then the lifting device resets after the luggage rack is clamped by the mechanical claw, the driving device drives the mechanical claw to rotate for 90 degrees, the polishing surface of the luggage rack can face one side of the mechanical claw, and the grabbing surface can face the mechanical arm. In the subsequent polishing process, the mechanical arm grabs the luggage rack on the mechanical claw, 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 both mounted on the moving plate. The luggage rack is divided into a left part and a right part, and the left part and the right part have slight difference in structure, such as the position of a fabrication hole and a curved surface on the surface, if the left part and the right part are not distinguished, 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: whether the luggage rack according to current processing is a left part or a 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 feeding mechanism, hoisting device drove the fixed plate and rises, makes location bolt and spacing fixture block rise, and the luggage rack falls into spacing fixture block, and the location bolt inserts the fabrication hole of luggage rack, realizes the location to the luggage rack, so that press from both sides the snatching of getting the mechanism.

Preferably, a detection assembly is arranged on one side, located at the feeding end of the feeding mechanism, of the rack and 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, then prove this luggage rack is right part when infrared sensor and detection bolt can't detect the fabrication hole, about this warning staff has misplaced the luggage rack, avoid 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 the staff when placing luggage rack to feed mechanism on, positional deviation is too big, leads to the unable normal detection effect that realizes of determine module, makes the slide bar move to the position that is close to the center through pushing mechanism, and the width of both sides baffle is in suitable scope, and this scope can enough ensure that the luggage rack is placed the detection function that the determine module also can be normal wantonly, also can not lead to the luggage rack to be difficult to place for too little simultaneously. 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 feeding 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 block and the limiting clamping block are consistent in structure and are provided with grooves used for being clamped with the raised lines 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 feeding device further comprises a blanking conveying belt arranged on the rack and positioned above the feeding 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 presss from both sides the mechanism of getting, and such form of setting only needs to remove shorter distance and just can take and press from both sides the luggage rack of treating polishing on the mechanism of getting 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 invention has the beneficial effects that: this device carries out autoloading through feeding mechanism to the luggage rack, then snatchs through the gripper after fixing a position the luggage rack, and the manipulator can take the luggage rack on the gripper fast, and the staff also only need with the luggage rack put on feeding 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 a conveying apparatus for product polishing according to the present invention.

FIG. 2 is a schematic 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 view of another embodiment of the conveying device for product polishing 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 are not to 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 components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1

Fig. 1 to 5 show an embodiment of a conveying device for polishing products, which comprises a frame 1, wherein a feeding mechanism 2 for conveying baggage racks, a positioning mechanism 3 for fixing the position of the baggage racks, and a clamping mechanism 4 for clamping the baggage racks are arranged on the frame 1; the positioning mechanism 3 is arranged at the discharge end of the feeding mechanism 2; the positioning mechanism 3 is used for driving the luggage rack to lift and leave the feeding mechanism 2; the clamping mechanism 4 is arranged above the positioning mechanism 3 and comprises a mechanical claw 401, a lifting device 402 for driving the mechanical claw 401 to lift and a driving device 403 for driving the mechanical claw 401 to rotate, and the driving device 403 is a steering engine and can rotate by a specified angle; the gripper 401 is used to grip a luggage rack located on the positioning mechanism 3. The gripper 401 is a pneumatic gripper 401, a mechanical component commonly used in the art, and will not be described here. In this embodiment, in order to enable the clamping mechanism 4 to more firmly grasp the baggage rack, two mechanical claws 401 are provided, but the number is not limited to two, and those skilled in the art may add as needed.

Specifically, in this embodiment, the gripper 401 and the driving device 403 are both mounted on the mounting frame 404, wherein the mounting frame 404 is provided with a rotating shaft 405, the gripper 401 is mounted on the rotating shaft 405, and the driving device 403 drives the rotating shaft 405 to rotate, so as to drive the gripper 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 part and a right part, and the structures of the left part and the right part are slightly different, such as the position of a fabrication hole and the curved surface of the surface, if the left part and the right part are not distinguished, the subsequent polishing processing is influenced. While the first positioning assembly 303 and the second positioning assembly are used to position the left and right pieces, respectively, which differ in the position of the positioning pin 305. 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 feeding 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 press from both sides the snatching of getting mechanism 4. In this embodiment, the two positioning mechanisms 3 are respectively located at two sides of the feeding mechanism 2, and the two positioning mechanisms 3 position the luggage rack from two sides, so that the luggage rack is more stable.

Specifically, a detection assembly 5 is arranged on one side of the feeding end of the feeding mechanism 2 of the rack 1, 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 feeding 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 feeding mechanism 2 comprises a conveying chain 201 and a first driving motor 202 for driving the conveying chain 201 to operate, and a positioning fixture 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 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. 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.

As shown in fig. 4, the width adjustment mechanism 6 further includes a plurality of guide rods 605 disposed on the frame 1 and connected to the slide bar 602. The pushing mechanism 603 is a handwheel 6031 and a screw 6032 connected with the handwheel 6031, and the sliding bar 602 is connected with the screw 6032 and moves linearly along the 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, linear motion is performed along the screw rod 6032 under the action of the guide rod 605, and finally adjustment of the baffle 601 is achieved.

The working principle or working process 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 feeding 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 feed end of feeding mechanism 2 and is spacing to the luggage rack through spacing fixture block 306, and the polishing face of luggage rack up this moment, and feeding mechanism 2 carries the luggage rack to discharge end one side, and hoisting device 307 drives location bolt 305 and location fixture block 203 and rises and jack-up the luggage rack, and location bolt 305 inserts the fabrication hole of luggage rack this moment, and location fixture block 203 supports the luggage rack, makes the luggage rack break away from feeding mechanism 2 and fix a position it. The lifting device 402 of the clamping mechanism 4 drives the mechanical claw 401 to descend to the luggage rack on the positioning mechanism 3, then after the luggage rack is clamped by the mechanical claw 401, the lifting device 402 resets, the driving device 403 drives the mechanical claw 401 to rotate 90 degrees, the polishing surface of the luggage rack can face one side of the mechanical claw 401, and the grabbing surface can face the mechanical arm. In the subsequent polishing process, the manipulator grabs the baggage rack on the gripper 401, and the polished surface of the baggage rack faces outwards, so that the polishing process can be directly performed.

The beneficial effects of this embodiment: this device carries out autoloading through feeding mechanism 2 to the luggage rack, then snatchs through gripper 401 after fixing a position the luggage rack, and the manipulator can take the luggage rack on the gripper 401 fast, and the staff also only need with the luggage rack put on feeding 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 a conveying device for product polishing, which is different from embodiment 1 in that, as shown in fig. 6, the conveying device further comprises a blanking conveyer belt 7 mounted on the frame 1 and located above the feeding mechanism 2, and a second driving motor 8 for driving the blanking conveyer 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 and presss from both sides and get mechanism 4, and such arrangement form only needs to remove the short distance and just can take the luggage rack of treating polishing on pressing from both sides and getting mechanism 4 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 only conveyed by the conveying belt 7, 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 should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit 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, and 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

1. A conveying device for polishing products comprises a rack (1), and is characterized in that a feeding mechanism (2) for conveying a luggage rack, a positioning mechanism (3) for fixing the position of the luggage rack and a clamping 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 feeding mechanism (2); the positioning mechanism (3) is used for driving the luggage rack to lift and leave the feeding mechanism (2); the clamping mechanism (4) is arranged above the positioning mechanism (3) and comprises a mechanical claw (401), a lifting device (402) for driving the mechanical claw (401) to lift and a driving device (403) for driving the mechanical claw (401) to rotate; the mechanical claw (401) is used for clamping the luggage rack on the positioning mechanism (3).

2. The conveying device for product polishing according to claim 1, wherein the positioning mechanism (3) further comprises a moving plate (301) slidably connected with 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. A conveyor device for polishing products according to claim 2, characterized in that the side of the frame (1) at the feed end of the feeding mechanism (2) is provided with a detection assembly (5), and the detection assembly (5) is used for detecting the fabrication hole of a luggage rack.

4. A conveyor device for product polishing as claimed in claim 3, characterized in that the frame (1) is provided on both sides with width adjustment means (6); the width adjusting mechanism (6) comprises a sliding table module and a baffle plate (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. A conveyor for product polishing as claimed in claim 4, characterized in that said width adjustment means (6) further comprise a plurality of guide rods (605) arranged on said frame (1) and connected to said slide bar (602).

6. A conveying device for product polishing according to claim 5, characterized in that the pushing mechanism (603) is a hand wheel (6031) and a lead screw (6032) connected with the hand wheel (6031), and the slide bar (602) is connected with the lead screw (6032) and moves linearly along the lead screw (6032).

7. A conveying device for product polishing according to claim 4, characterized in that a cylinder (604) for pushing the baffle (601) to move on the slide bar (602) is provided on the slide bar (602) of the width adjusting mechanism (6) on one side.

8. A conveying device for product polishing according to claim 7, wherein the feeding 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. A conveying device for product polishing according to claim 7, characterized in that the positioning latch (203) and the limiting latch (306) are of the same structure and are provided with grooves for engaging with the ribs of the luggage rack.

10. A conveyor for polishing products according to any one of claims 1-9, further comprising a blanking conveyor belt (7) mounted on said frame (1) and located above said feed mechanism (2), and a second drive motor (8) for driving said blanking conveyor belt (7) in operation.