CN218173527U - Chain scraper conveyor for conveying trays - Google Patents

Abstract

The utility model provides a drag chain conveyor for tray is carried, including controlling the link joint conveying mechanism of opposition, link joint conveying mechanism is used for the tray transportation, is provided with the auxiliary transportation subassembly that is used for auxiliary tray transportation between the link joint conveying mechanism, the utility model discloses an auxiliary transportation subassembly holds up the tray mid portion so that the part of deformation takes place in the middle of the tray resumes to the tray can accomplish the transportation under link joint conveying mechanism's drive, and the auxiliary transportation subassembly has solved in the middle of the tray department produce downward deformation lead to the tray when on the link joint conveying machine and the frictional force between the link joint not enough, cause the unsatisfactory problem of conveying effect of tray.

Description

Chain scraper conveyor for conveying trays

Technical Field

The utility model relates to a commodity circulation, express delivery supply line or transportation equipment field, more specifically relate to a drag chain conveyor for tray is carried.

Background

The logistics palletizing is to prepare pallets for carrying commodities and goods, standardize the sizes of the pallets to form the same size, realize the basic and necessary premise of mechanization and continuity of operations such as loading, unloading and storage of goods, and whether the operation mode of the pallets is reasonable or not is a key factor for improving the circulation of the pallets, and the pallets can be loaded aiming at the goods with different qualities, so that the application range is wide.

The chain scraper conveyor is used for conveying the trays. The patent name relates to a chain slat type automatic loading and unloading system, which comprises: the loading and unloading platform is provided with a platform conveying mechanism and a platform driving motor for driving the platform conveying mechanism to rotate; the tail part of the transport vehicle is butted with the loading and unloading platform, the transport vehicle is divided into a frame and a carriage arranged on the frame, a vehicle-mounted transmission device is arranged in the carriage, and the vehicle-mounted transmission device is butted with the platform conveying mechanism; the vehicle-mounted transmission device comprises a chain plate conveying mechanism and a vehicle-mounted motor for driving the chain plate conveying mechanism to move, the vehicle-mounted motor is fixed on a frame below the carriage, the vehicle-mounted motor is connected with the chain plate conveying mechanism through a transmission chain, and the chain plate conveying mechanism extends from one end of the carriage to the other end of the carriage. The loading and unloading platform is provided with the platform transmission mechanism which is in butt joint with the vehicle-mounted transmission device of the transport vehicle, so that the whole process automation of the carrying process of goods from the inside of the transport vehicle to the loading and unloading platform is realized, the human labor is avoided, the loading and unloading efficiency is greatly improved, and the manpower and material resource investment of the loading and unloading link is also reduced.

Simultaneously when the actual transportation tray, because the more goods of tray load, the department produces decurrent deformation in the middle of the tray, the both ends of tray also can upwards perk slightly, lead to the tray on the link joint conveyer when and the link joint between frictional force not enough, cause the transportation effect of tray unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the more goods of tray load, department produces decurrent deformation in the middle of the tray, and the perk that also can make progress slightly at the both ends of tray leads to the tray when the link joint conveyer on and the frictional force between the link joint is not enough, causes the unsatisfactory problem of conveying effect of tray, provides a link joint conveyer for tray is carried.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a drag chain conveyor for tray is carried, includes the link joint conveying mechanism of controlling the opposition, and link joint conveying mechanism is used for the tray transportation, is provided with the subsidiary transport subassembly that is used for supplementary tray transportation between the link joint conveying mechanism.

In the above scheme, the two ends of the tray loaded with goods are correspondingly placed on the chain plate conveying mechanism, the auxiliary conveying assembly supports the middle part of the tray so that the middle part of the tray is deformed to recover, the tray can be conveyed under the driving of the chain plate conveying mechanism, and the problem that the friction force between the tray and the chain plate is insufficient when the downward deformation is generated in the middle of the tray and the conveying effect of the tray is not ideal is solved by the auxiliary conveying assembly.

According to the chain plate conveyor for conveying the trays, the auxiliary conveying assembly comprises the left support and the right support which are arranged oppositely, the carrier roller is rotatably connected with the supports, and the height of the top of each support and the height of the carrier roller arranged at the top of each support gradually rise along with the conveying direction of the trays.

In the above-mentioned scheme, the concrete theory of operation of auxiliary transportation subassembly does, the tray is under link joint transport mechanism's drive, tray bottom and bearing roller contact and drive the bearing roller and rotate, the bottom of tray contacts with the bearing roller gradually, the bearing roller plays and supports the tray mid portion, the height of the top of support and the height of the bearing roller that the support top set up rise gradually along with tray direction of transportation simultaneously, the mid portion that not only is applicable to the tray that sets up like this takes place the elasticity of different degrees and sinks, and make the tray contact with the bearing roller more easily, avoid appearing the tray and blocked and can't advance by the bearing roller.

The utility model provides a drag chain conveyor for tray is carried, bearing roller include roll body and integrated into one piece's pivot, and wherein the pivot runs through the support, and the part that the pivot is located outside the support is provided with spacing subassembly, and spacing subassembly includes gasket and spacing bolt.

In the above scheme, the specific operating principle of the limiting assembly is that the gasket is used for separating the support from the limiting bolt, and the limiting bolt is matched with the gasket to enlarge the radial area so as to prevent the rotating shaft from falling off from the support.

According to the chain plate conveyor for conveying the trays, the rib plates for increasing the strength of the bracket are arranged on the bracket.

In the above scheme, the arrangement of the rib plates is used for increasing the strength of the support, so that the auxiliary transportation assembly can lift the tray loaded with more cargoes.

In the chain scraper conveyor for conveying the trays, the connecting rod for keeping the vertical direction of the support stable is arranged between the support and the conveying mechanism, wherein the connecting rod is fixedly connected with the inner wall of the support.

In the above scheme, in the actual use engineering, the tray is supported to the bearing roller, and the bearing roller also has the trend of sinking to the below of its central department, and two supports have the trend of inclining of being close to each other under the drive of bearing roller, consequently, the connecting rod supports the support in order to prevent that two supports from having the phenomenon of the trend of inclining of being close to each other under the drive of bearing roller and producing.

The utility model provides a link joint conveyor for tray is carried, link joint transport mechanism's unloading department is provided with the transition subassembly, and the transition subassembly includes base, link frame and transition roller, and wherein, link frame and base sliding connection, base open along vertical direction have a plurality of connecting holes, and the link frame passes through bolt and the not high connecting hole cooperation of base in order to realize height adjustment and fixed connection between link frame and the base, and the transition roller rotates with the link frame to be connected.

In the above-mentioned scheme, the transition subassembly sets up and is used for passing through the tray from the link joint conveyer to next one transportation equipment on, there are transition gap and difference in height between two transportation equipment, the concrete theory of operation of transition subassembly does, the transition roller is used for supporting the tray and makes things convenient for the tray bottom to remove, the problem of having the transition gap between two transportation equipment has been solved like this, link and base sliding connection, height-adjustable between the two, the link passes through the connecting hole cooperation of bolt and the base on the co-altitude not in order to realize fixed connection, transition roller height-adjustable on link and the link, with the difference in height problem that exists between solving two transportation equipment, thereby guarantee that the tray smoothly passes through to next one transportation equipment from the link joint conveyer on.

In the chain scraper conveyor for conveying the trays, the base is provided with the weight reducing opening for reducing the whole weight of the base, and the bottom of the base is integrally formed with the bottom plate for increasing the contact area between the base and the ground.

In the scheme, the base is provided with the weight reducing port for reducing the whole weight of the base, and the base is designed in a light weight manner under the condition of providing enough strength, so that the base is convenient to carry and transport; the bottom of base integrated into one piece has the bottom plate that is used for increasing base and ground area of contact in order to guarantee base stability.

The chain plate conveying mechanism comprises a workbench, chain plates which are arranged in a closed manner and internally provided with chains, a driving roller with a gear on a radial surface, a driven roller with a gear on a radial surface, a driving motor with a gear on a working end, a driving shaft with a gear on a radial surface and a connecting chain, wherein the driven roller is rotatably connected with the workbench, the driving shaft is fixedly connected with the driving roller, the driving shaft penetrates through the driving roller and is rotatably connected with the workbench, the chain plates are meshed with the gears on the surfaces of the driving roller and the driven roller through the internally arranged chains to realize the rotating connection with the driving roller and the driven roller, and the driving motor and the driving shaft are correspondingly meshed with the gears on the working end of the driving motor and the gears on the radial surface of the driving shaft through the connecting chain to realize the driving motor to drive the driving shaft to rotate.

In the above scheme, the concrete theory of operation of link joint conveying mechanism does, driving motor rotates, driving motor passes through the gear of its work end, the gear cooperation that connecting link and drive shaft radial surface have is in order to drive the drive shaft and rotate, the drive shaft drives the drive roll and rotates, the drive roll is in order to drive the link joint motion through the gear that its radial surface had and the built-in chain meshing cooperation of link joint, the built-in chain of link joint and the gear meshing that driven voller radial surface had rotate in order to drive the driven voller, the link joint drives the tray that the surface supported and removes, and two link joint conveying mechanism's drive roll uses same drive shaft jointly.

The utility model provides a drag chain conveyor for tray is carried, the workstation bottom is provided with the adjusting part that is used for adjusting the workstation height, and the adjusting part includes backup pad, lead screw and adjusting nut, and wherein, the backup pad is used for ground fixed connection, lead screw and backup pad fixed connection, the bottom and the lead screw sliding connection of workstation, the upper and lower surface of workstation bottom all sets up adjusting nut, and adjusting nut rotates with lead screw to be connected.

Among the above-mentioned scheme, because place or transportation equipment self high reason, there is the difference in height between two transportation equipment, therefore, thereby the adjusting part who sets up bottom the workstation is used for adjusting and flushes or reduce both difference in height between the workstation height two transportation equipment height, adjusting part's specific theory of operation does, the backup pad is used for supporting whole link joint transport mechanism, be located the adjusting nut of workstation bottom below in order to change adjusting nut height on the lead screw through rotating, and then change workstation and lead screw's height, the altitude mixture control of link joint transport mechanism is finally accomplished.

According to the chain plate conveyor for conveying the trays, the baffle plate for preventing the trays from deviating is arranged on one side of the surface of the workbench.

In the above scheme, when in actual transportation, the both ends of tray easily take place to incline, and the baffle is through blockking the tray to avoid this kind of phenomenon to produce.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model provides a drag chain conveyor for tray conveying, an auxiliary conveying component arranged on a drag chain conveying mechanism supports a tray so as to recover the deformed part in the middle of the tray, so that the tray can be conveyed under the driving of the drag chain conveying mechanism, the auxiliary conveying component solves the problem that the downward deformation is generated in the middle of the tray, the friction force between the tray and the drag chain is insufficient when the tray is on the drag chain conveyor, and the conveying effect of the tray is not ideal; the transition roller is used for supporting the tray and facilitating the bottom of the tray to move, so that the problem of transition gaps between two transport devices is solved, the connecting frame is connected with the base in a sliding mode, the height between the connecting frame and the base is adjustable, meanwhile, the connecting frame is matched with connecting holes with different heights on the base through bolts to achieve fixed connection, and the height of the connecting frame and the transition roller on the connecting frame is adjustable to solve the problem of height difference between the two transport devices, so that the tray is enabled to be stably transited from the chain plate transport machine to the next transport device; the backup pad is used for supporting whole link joint conveying mechanism, is located the adjusting nut of workstation bottom below in order to change the height of adjusting nut on lead screw through rotating, and then changes workstation and lead screw's height, finally accomplishes link joint conveying mechanism's altitude mixture control to solve between two transportation equipment because the difference in height that place or transportation equipment self height reason lead to.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic view of a portion of the mechanism of FIG. 1;

fig. 4 is a schematic structural diagram of the transition assembly of the present invention.

The direction of the arrow in fig. 1 is the direction of transport of the chain conveyor.

Wherein: 1. a chain plate conveying mechanism; 11. a work table; 12. a chain plate; 13. a drive roll; 14. a driven roller; 15. a drive motor; 16. a drive shaft; 17. connecting a chain; 2. an auxiliary transport assembly; 21. a support; 22. carrying rollers; 221. a roller body; 222. a rotating shaft; 3. a limiting component; 31. a gasket; 32. a limit bolt; 4. a rib plate; 5. a connecting rod; 6. a transition component; 61. a base; 62. a connecting frame; 63. a transition roll; 7. a weight-reducing opening; 8. a base plate; 9. an adjustment assembly; 91. a support plate; 92. a lead screw; 93. adjusting the nut; 10. and a baffle plate.

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 present embodiments, certain elements 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 technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, a chain scraper conveyor for tray conveying comprises chain scraper conveying mechanisms 1 which are arranged oppositely at left and right sides, wherein the chain scraper conveying mechanisms 1 are used for tray conveying, and auxiliary conveying assemblies 2 used for auxiliary tray conveying are arranged between the chain scraper conveying mechanisms 1.

The both ends correspondence of the tray that will load the goods is placed on link joint conveying mechanism 1, the auxiliary transport subassembly 2 that link joint conveying mechanism 1 set up holds up the tray so that the part that takes place deformation in the middle of the tray resumes, thereby the tray can realize the transportation of tray under link joint conveying mechanism 1's drive, auxiliary transport subassembly 2 has solved the middle department of tray and has produced decurrent deformation, lead to the tray when on the link joint conveyer and link joint 12 between frictional force not enough, cause the unsatisfactory problem of transportation effect of tray.

The auxiliary transportation assembly 2 comprises a bracket 21 and an idler 22 which are arranged oppositely at the left and the right, the idler 22 is rotatably connected with the bracket 21, and the height of the top of the bracket 21 and the height of the idler 22 arranged on the top of the bracket 21 are gradually increased along with the transportation direction of the pallet.

The concrete theory of operation of auxiliary transport subassembly 2 does, the tray is under the drive of link joint conveying mechanism 1, tray bottom and bearing roller 22 contact and drive bearing roller 22 and rotate, the bottom of tray contacts with bearing roller 22 gradually, bearing roller 22 plays and supports the tray mid portion, the height at the top of support 21 and the bearing roller 22's that support 21 top set up height rise gradually along with tray direction of transportation simultaneously, the mid portion that not only is applicable to the tray that sets up like this takes place the elasticity of different degrees and sinks, and make the tray contact with bearing roller 22 more easily, avoid appearing the tray and being blocked and can't advance by bearing roller 22.

As shown in fig. 1 and 2, the carrier roller 22 includes a roller body 221 and an integrally formed rotating shaft 222, wherein the rotating shaft 222 penetrates through the bracket 21, a limiting component 3 is disposed at a portion of the rotating shaft 222 outside the bracket 21, and the limiting component 3 includes a gasket 31 and a limiting bolt 32.

The specific working principle of the limiting assembly 3 is that the spacer 31 is used for separating the support 21 from the limiting bolt 32, and the limiting bolt 32 is matched with the spacer 31 to enlarge the radial area so as to prevent the rotating shaft 222 from falling off from the support 21.

In the chain plate conveyor for conveying the tray, the bracket 21 is provided with the rib plate 4 for increasing the strength of the bracket 21.

The provision of the rib plates 4 serves to increase the strength of the cradle 21 so that the auxiliary transport assembly 2 can hold up pallets loaded with more goods.

A connecting rod 5 used for keeping the vertical direction of the bracket 21 stable is arranged between the bracket 21 and the transportation mechanism, wherein the connecting rod 5 is fixedly connected with the inner wall of the bracket 21.

In the practical use engineering, the carrier roller 22 supports the tray, the carrier roller 22 also has a tendency of sinking towards the lower part of the center of the carrier roller 22, and the two brackets 21 have a tendency of mutually approaching and inclining under the driving of the carrier roller 22, so that the connecting rod 5 supports the brackets 21 to prevent the phenomenon that the two brackets 21 have a tendency of mutually approaching and inclining under the driving of the carrier roller 22.

As shown in fig. 1 and 4, a transition assembly 6 is arranged at the blanking position of the chain plate conveying mechanism 1, the transition assembly 6 includes a base 61, a connecting frame 62 and a transition roller 63, wherein the connecting frame 62 is slidably connected with the base 61, the base 61 is provided with a plurality of connecting holes along the vertical direction, the connecting frame 62 is matched with the connecting holes of different heights on the base 61 through bolts to realize height adjustment and fixed connection between the connecting frame 62 and the base 61, and the transition roller 63 is rotatably connected with the connecting frame 62.

Transition subassembly 6 sets up and is used for transitioning the tray from the link joint conveyer to next one transportation equipment on, there are transition gap and difference in height between two transportation equipment, transition subassembly 6's concrete theory of operation does, transition roller 63 is used for supporting the tray and makes things convenient for the tray bottom to remove, the problem that has the transition gap between two transportation equipment has been solved like this, link 62 and base 61 sliding connection, height-adjustable between the two, link 62 passes through the bolt and base 61 on the not connecting hole cooperation of co-altitude in order to realize fixed connection simultaneously, transition roller 63 height-adjustable on link 62 and the link 62, with the difference in height problem that exists between two transportation equipment of solution, thereby guarantee that the tray smoothly transitions to next one transportation equipment from the link joint conveyer on.

The base 61 is provided with a lightening opening 7 for reducing the whole weight of the base 61, and the bottom of the base 61 is integrally formed with a bottom plate 8 for increasing the contact area between the base 61 and the ground.

The base 61 is provided with a lightening opening 7 for reducing the overall weight of the base 61, and the base 61 is designed in a light weight manner under the condition of providing enough strength, so that the base 61 is convenient to carry and transport; the bottom of the base 61 is integrally formed with a bottom plate 8 for increasing the contact area between the base 61 and the ground so as to ensure the stability of the base 61.

As shown in fig. 1 and 3, the link plate transportation mechanism 1 includes a working table 11, a link plate 12 which is arranged in a closed shape and is provided with a chain inside, a driving roller 13 with a gear on a radial surface, a driven roller 14 with a gear on a radial surface, a driving motor 15 with a gear on a working end, a driving shaft 16 with a gear on a radial surface, and a connecting chain 17, wherein the driven roller 14 is rotatably connected with the working table 11, the driving shaft 16 is fixedly connected with the driving roller 13, the driving shaft 16 penetrates through the driving roller 13 and is rotatably connected with the working table 11, the link plate 12 is engaged with the gears on the surfaces of the driving roller 13 and the driven roller 14 through the chain inside to realize the rotary connection with the driving roller 13 and the driven roller 14, and the driving motor 15 and the driving shaft 16 are correspondingly engaged with the gears on the working end of the driving motor 15 and the gears on the radial surface of the driving shaft 16 through the connecting chain 17 to realize the driving motor 15 driving shaft 16 to drive the driving motor 15 to rotate the driving shaft 16.

The specific working principle of the chain plate conveying mechanism 1 is that the driving motor 15 rotates, the driving motor 15 drives the driving shaft 16 to rotate through the cooperation of the gear at the working end of the driving motor 15, the connecting chain 17 and the gear on the radial surface of the driving shaft 16, the driving shaft 16 drives the driving roller 13 to rotate, the driving roller 13 drives the chain plate 12 to move through the meshing cooperation of the gear on the radial surface of the driving roller 13 and the chain in the chain plate 12, the chain in the chain plate 12 is meshed with the gear on the radial surface of the driven roller 14 to drive the driven roller 14 to rotate, the chain plate 12 drives the tray supported by the surface to move, and the driving rollers 13 of the two chain plate conveying mechanisms 1 share the same driving shaft 16.

11 bottoms of workstation are provided with the adjusting part 9 that is used for adjusting 11 height of workstation, and adjusting part 9 includes backup pad 91, lead screw 92 and adjusting nut 93, and wherein, backup pad 91 is used for ground fixed connection, and lead screw 92 and backup pad 91 fixed connection, the bottom and the lead screw 92 sliding connection of workstation 11, the upper and lower surface of workstation 11 bottom all sets up adjusting nut 93, and adjusting nut 93 rotates with lead screw 92 to be connected.

Because place or transportation equipment self high reason, there is the difference in height between two transportation equipment, consequently, the adjusting part 9 that sets up in workstation 11 bottom is used for adjusting workstation 11 height thereby flushes or reduces both difference in height between two transportation equipment heights, the concrete theory of operation of adjusting part 9 does, backup pad 91 is used for supporting whole link joint conveying mechanism 1, through rotating adjusting nut 93 that is located workstation 11 bottom below in order to change adjusting nut 93 height on lead screw 92, and then change workstation 11 and lead screw 92's height, the altitude mixture control of link joint conveying mechanism 1 is finally accomplished.

A baffle 10 for preventing the tray from deviating is arranged on one side of the surface of the workbench 11.

The both ends of the tray are easily inclined during actual transportation, and the baffle 10 prevents this phenomenon by blocking the tray.

Example 2

Increase actuating mechanism on original subsidiary transport subassembly 2's basis, actuating mechanism includes motor, synchronizing wheel and hold-in range, and wherein synchronizing wheel and pivot 222 fixed connection realize both through the hold-in range between motor and the synchronizing wheel and rotate and be connected, and the motor passes through the hold-in range and the cooperation drive bearing roller 22 of synchronizing wheel and rotates the transport capacity of the whole chain plate conveyer of increase.

Example 3

A rubber layer for increasing the friction between the supporting roller 22 and the bottom of the tray is wrapped on the surface of the supporting roller 22 of the auxiliary transport assembly 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, 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 (10)

1. The utility model provides a drag chain conveyor for tray is carried, includes link joint conveying mechanism (1) of controlling the opposition, and link joint conveying mechanism (1) is used for the tray to transport, its characterized in that is provided with between link joint conveying mechanism (1) and is used for supplementary tray transportation's subsidiary transport subassembly (2).

2. The slat conveyor for pallet conveying according to claim 1, wherein the auxiliary conveying assembly (2) comprises a bracket (21) and idlers (22) opposed to each other in the left-right direction, the idlers (22) being rotatably connected to the bracket (21), the height of the top of the bracket (21) and the height of the idlers (22) provided at the top of the bracket (21) being gradually increased in accordance with the pallet conveying direction.

3. The chain scraper conveyor for conveying pallets as claimed in claim 2, wherein the carrier roller (22) comprises a roller body (221) and an integrally formed rotating shaft (222), wherein the rotating shaft (222) penetrates through the bracket (21), a limiting component (3) is arranged on a portion of the rotating shaft (222) outside the bracket (21), and the limiting component (3) comprises a gasket (31) and a limiting bolt (32).

4. A slat conveyor for pallet conveying according to claim 1, characterized in that the brackets (21) are provided with ribs (4) for increasing the strength of the brackets (21).

5. A slat conveyor for pallet conveying according to claim 1, characterized in that a connecting rod (5) for keeping the vertical stability of the carrier (21) is arranged between the carrier (21) and the conveying means, wherein the connecting rod (5) is fixedly connected to the inner wall of the carrier (21).

6. The chain plate conveyor for conveying the trays according to claim 1, wherein a transition assembly (6) is arranged at the blanking position of the chain plate conveying mechanism (1), the transition assembly (6) comprises a base (61), a connecting frame (62) and a transition roller (63), wherein the connecting frame (62) is connected with the base (61) in a sliding mode, a plurality of connecting holes are formed in the base (61) in the vertical direction, the connecting frame (62) is matched with the connecting holes in the base (61) at different heights through bolts to achieve height adjustment and fixed connection between the connecting frame (62) and the base (61), and the transition roller (63) is connected with the connecting frame (62) in a rotating mode.

7. The slat conveyor for pallet conveying according to claim 1, wherein the base (61) is formed with a weight-reducing opening (7) for reducing the overall weight of the base (61), and a bottom of the base (61) is integrally formed with a bottom plate (8) for increasing the contact area of the base (61) with the ground.

8. A slat conveyor for pallet conveying according to claim 1, wherein the slat conveyor (1) includes a table (11), a slat (12) disposed in a closed manner and having a chain built therein, a drive roller (13) having a gear on a radial surface thereof, a driven roller (14) having a gear on a radial surface thereof, a drive motor (15) having a gear on a working end thereof, a drive shaft (16) having a gear on a radial surface thereof, and a connecting chain (17), wherein the driven roller (14) is rotatably connected to the table (11), the drive shaft (16) is fixedly connected to the drive roller (13), the drive shaft (16) penetrates through the drive roller (13) and is rotatably connected to the table (11), the slat (12) is engaged with the gears on the surfaces of the drive roller (13) and the driven roller (14) through the built-in chain thereof to rotatably connect to the drive shaft (16) of the drive roller (13) and the driven roller (14), and the drive motor (15) and the drive shaft (16) are rotated through the connecting chain (17) in correspondence to the gears on the working end of the drive motor (15) and the radial surface of the driven roller (16) to drive motor (16).

9. The chain scraper conveyor for conveying the trays as claimed in claim 1, wherein the bottom of the working table (11) is provided with an adjusting assembly (9) for adjusting the height of the working table (11), the adjusting assembly (9) comprises a supporting plate (91), a guide screw (92) and an adjusting nut (93), wherein the supporting plate (91) is fixedly connected with the ground, the guide screw (92) is fixedly connected with the supporting plate (91), the bottom of the working table (11) is slidably connected with the guide screw (92), the upper surface and the lower surface of the bottom of the working table (11) are respectively provided with the adjusting nut (93), and the adjusting nut (93) is rotatably connected with the guide screw (92).

10. A slat conveyor for pallet conveying according to claim 1, characterized in that a stopper (10) for preventing the pallet from running off is provided on the surface side of the table (11).

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