Down spraying system for Christmas tree

Abstract

The utility model relates to a down spraying system for Christmas trees, which comprises a conveying track, a down spraying device, a down spraying device and a down spraying device. The curing barn ground rail comprises a plurality of linear conveying assemblies and a plurality of turning assemblies, the two ends of each turning assembly are connected with the corresponding linear conveying assembly, and the multiple linear conveying assemblies and the multiple turning assemblies form the annular or arch-like curing barn ground rail. The turning assembly comprises a plurality of roller sets and a driving motor, the roller sets are arranged at intervals in an arc shape to form an arc-shaped rail, each roller set comprises at least two coaxially-arranged rollers, the upper surfaces of the rollers are parallel to the upper surface of the linear conveying assembly, and the driving motor drives the rollers of the roller sets to rotate. And the multiple conveying bottom plates move along the conveying track, and fixing assemblies are arranged on the conveying bottom plates. According to the conveying device, the down spraying efficiency and the conveying stability of down spraying of the Christmas tree are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to Christmas tree processing field especially is related to a system is spouted to Christmas tree for. BACKGROUND

[0002] In Europe and the United States, Christmas tree is widely used as a kind of decoration in Christmas celebration activities. And spouting the Christmas tree on the Christmas tree, make the Christmas tree with snowflake effect, can better increase the festival atmosphere. At present, most of the Christmas tree spouting adopts artificial spouting, then the Christmas tree after spouting is dried naturally, or is sent into the baking room and is baked, wherein, the efficiency of natural drying is slower, and the Christmas tree that is not dried cannot be stored and boxed, leading to occupying a large area of factory building, affecting the spouting efficiency of Christmas tree, and when baking, usually adopts the trolley to transport the Christmas tree, needs the worker to carry the Christmas tree to the trolley, and the transportation efficiency is lower, and the trolley does not have the fixed moving track, and when moving, will produce the swing, leading to the spouting of the not dry falling, affecting the " snowflake " effect of the Christmas tree after spouting. SUMMARY

[0003] Therefore, the utility model discloses the purpose of overcoming the defects or the deficiency of prior art, provides a system is spouted to Christmas tree for.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a system is spouted to Christmas tree for, including:

[0005] Conveying track, including the spray room ground rail and the baking room ground rail that set gradually, the spray room ground rail is located in the spray room, the baking room ground rail is located in the baking room;

[0006] The baking room ground rail includes several straight line conveying components and several turning components, and the two ends of the turning component are connected to a straight line conveying component, and the several straight line conveying components and the several turning components form a ring or a bow-shaped baking room ground rail;

[0007] The straight line conveying component is conveyed through the multiple-speed chain conveying line, the turning component includes several roller groups and drive motors, the several roller groups are arranged in an arc shape and are spaced apart to form an arc-shaped track, each roller group includes at least two coaxially arranged rollers, the upper surface of the roller is parallel to the upper surface of the multiple-speed chain conveying line, and the drive motor drives the rollers of the roller group to rotate;

[0008] Conveying bottom plate, set up as multiple and along the conveying track moves, the conveying bottom plate is equipped with the fixed component for fixing the Christmas tree.

[0009] Compared with the prior art, the conveying device provided by the utility model can continuously and stably convey Christmas trees, reduces waiting time and manual intervention, improves production efficiency, and the turning assembly can enable the conveying bottom plate to smoothly transition when turning, thereby avoiding the falling of sprayed bushes on the Christmas trees due to shaking.

[0010] In an embodiment, the distance between the axis of a roller set and the axis of an adjacent roller set or the adjacent straight conveying assembly is less than half the width of the conveying bottom plate, and the distance between adjacent rollers in each roller set is less than the length of the conveying bottom plate.

[0011] In an embodiment, the driving motor is arranged on the outside of the arc-shaped track and on the same side of the center of the arc-shaped track, and the output shaft of the driving motor is fixedly connected with a reversing bevel gear; in each roller set, the at least two rollers are fixedly connected with a rotating shaft coaxially, and the rotating shaft is fixedly provided with a bevel gear on the side facing the driving motor, and at least one bevel gear is engaged with the reversing bevel gear.

[0012] In an embodiment, each bevel gear is engaged with the reversing bevel gear; or each bevel gear is engaged with an adjacent bevel gear, and one of the bevel gears is engaged with the reversing bevel gear.

[0013] In an embodiment, each roller set includes a roller set A and a roller set B, and a reversing bevel gear is arranged between the roller set A and the roller set B, and the roller set A and the roller set B are each fixedly provided with a bevel gear engaged with the reversing bevel gear, and the driving motor drives the reversing bevel gear to rotate.

[0014] In an embodiment, each reversing bevel gear is fixedly connected with a transmission gear coaxially, each transmission gear is engaged with an adjacent transmission gear, and one of the transmission gears is fixedly connected with the output shaft of the driving motor; or the number of the driving motors corresponds to the number of the reversing bevel gears, and the output shaft of each driving motor is fixedly connected with a reversing bevel gear.

[0015] In an embodiment, the rotating directions of each roller in each roller set are consistent and tangent to the arc direction of the arc-shaped track.

[0016] In an embodiment, the turning assembly includes a rack, and a conveying plate is arranged on the rack, a plurality of through holes corresponding to the rollers are formed in the conveying plate, the rollers are rotationally connected with the conveying plate, and the rollers pass through the through holes and partially protrude from the upper surface of the conveying plate.

[0017] In one embodiment, the arc-shaped track has a first arc-shaped plate and a second arc-shaped plate with the same curvature on both sides. The plurality of roller groups are disposed between the first arc-shaped plate and the second arc-shaped plate and are rotatably connected to the first arc-shaped plate and the second arc-shaped plate. The side of the first arc-shaped plate and / or the second arc-shaped plate facing the roller group is made of flexible material. The turning assembly also includes guide rollers. The guide rollers are rotatably connected to the first arc-shaped plate, and the plurality of guide rollers are evenly spaced on the side of the first arc-shaped plate facing the conveying base plate and are located on the same horizontal plane as the conveying base plate to assist the sliding of the conveying base plate.

[0018] In one embodiment, the spray booth floor rail and the baking booth floor rail are transported by a double-speed chain conveyor line; the double-speed chain conveyor line includes a base, double-speed chains, sprockets and a motor, two parallel double-speed chains are mounted on the base, and each double-speed chain is meshed with a sprocket. The two sprockets are coaxially arranged and are connected to the output shaft of the motor. The motor drives the two double-speed chains to run simultaneously by driving the two sprockets.

[0019] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a down spraying system for a Christmas tree provided in this embodiment;

[0021] Figure 2 for Figure 1 The diagram shows the structure of the linear conveyor assembly.

[0022] Figure 3 This is a schematic diagram of the structure of one of the turning components provided in this embodiment;

[0023] Figure 4 for Figure 3 Top view of the turning component shown;

[0024] Figure 5 This is a schematic diagram of the structure of one type of turning assembly provided in this embodiment;

[0025] Figure 6 for Figure 5 Top view of the turning component shown;

[0026] Figure 7 This is a schematic diagram of the structure of one type of turning assembly provided in this embodiment;

[0027] Figure 8 for Figure 7 Top view of the turning component shown;

[0028] Figure 9For Figure 1 The structural schematic view of the spraying room ground rail is shown in the figure.

[0029] Figure 10 The structural schematic view of the fixed assembly and the rotating assembly provided for the embodiment is shown in the figure. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0031] Please refer to Figures 1-10 The spraying system for Christmas trees provided by the embodiment of the application comprises a conveying track and a conveying bottom plate 10, the conveying track comprises a spraying room ground rail 20 and a baking room ground rail 30 arranged in sequence, the spraying room ground rail 20 is arranged in a spraying room, the baking room ground rail 30 is arranged in a baking room, the baking room ground rail 30 comprises a plurality of straight line conveying assemblies 32 and a plurality of turning assemblies 34, two ends of the turning assembly 34 are connected with a straight line conveying assembly 32 respectively, the plurality of straight line conveying assemblies 32 and the plurality of turning assemblies 34 form a ring-shaped or bow-shaped baking room ground rail 30, the conveying bottom plate 10 is arranged in multiple and moves along the conveying track 10, the conveying bottom plate 10 is provided with a fixed assembly 12 for fixing Christmas trees.

[0032] Please refer to Figure 2 In some embodiments, the output direction of the spraying room ground rail 20 is connected with the input direction of the baking room ground rail 30, and the spraying room ground rail 20 and / or the baking room ground rail 30 is conveyed by a speed-up chain conveying line. Specifically, the speed-up chain conveying line comprises a machine base 321, a straight line track and a motor, the straight line track is arranged on the machine base 321, a speed-up chain 322 is arranged in the straight line track, and the driving end of the motor is connected with the speed-up chain 322 to drive the speed-up chain 322 to run.

[0033] Further, the speed chain 322 is provided in two, and the two speed chains 322 are parallel to each other, and the motor simultaneously drives the two speed chains 322 to rotate, to ensure that the conveying bottom plate 10 has consistent conveying speed on both sides when passing through the linear conveying assembly, to ensure smooth conveying process and reduce the shaking of the conveying bottom plate 10, especially the Christmas tree above the conveying bottom plate 10. Specifically, two sprockets are further arranged in the linear track, the two sprockets are respectively meshed and connected with the two speed chains, the two sprockets are coaxially fixed, and the output shaft of the motor is fixedly connected with the two sprockets. The motor drives the two sprockets to rotate at the same time to drive the two speed chains 322 to run. In some embodiments, the motor is arranged between the two sprockets, the output shaft of the motor is fixedly connected with a first gear, each sprocket is coaxially fixedly connected with a second gear on the side facing the motor, the first gear is meshed with the second gear, and the motor drives the two second gears to rotate through the first gear, drives the two sprockets to rotate, and realizes driving the two speed chains 322 to run at the same time.

[0034] Further, the two sides of the base 321 are provided with baffles 323, which guide and limit the conveying bottom plate 10 above the linear track, to avoid falling off the linear track, and to make the conveying more stable.

[0035] In some embodiments, the turning assembly 34 includes a rack 341, the rack 341 is provided with an arc-shaped track, the arc-shaped track includes a plurality of roller groups 342 and a driving motor 343, the driving motor 343 is connected with the plurality of roller groups 342 and drives the plurality of roller groups 342 to work, to convey the conveying bottom plate 10 to the next linear track, and the arc-shaped track further includes a control unit, the control unit is electrically connected with the driving motor 343, and the control unit is an existing controller, which will not be described herein.

[0036] Further, the rack 341 includes a first arc-shaped plate 341a and a second arc-shaped plate 341b, the first arc-shaped plate 341a and the second arc-shaped plate 341b have the same curvature, are respectively arranged on the two sides of the arc-shaped track, and protrude from the upper surfaces of the rollers 343, to guide the conveying bottom plate 10 above the rollers 343, to make the conveying bottom plate 10 move along the curve of the arc-shaped track, and to avoid the collision between the conveying bottom plate 10 and the base 321 of the next linear conveying assembly 32 when the conveying bottom plate 10 passes through the turning assembly 34 and enters the next linear conveying assembly 32. More preferably, the side surface of the first arc-shaped plate 341a and / or the second arc-shaped plate 341b facing the rollers 343 is made of flexible material, to buffer the collision between the conveying bottom plate 10 and the arc-shaped plate, and to improve the conveying stability of the conveying bottom plate 10.

[0037] Further, a plurality of the roller groups 342 are arranged in arc shape with an interval to form an arc track, and each roller group 342 has a different angle with the linear track. Each roller group 342 includes at least two rollers 344 arranged coaxially, and the at least two rollers 344 are fixed together by a rotating shaft 345 and / or are driven by gear engagement. Preferably, the distance between the axis of the roller group 342 and the axis of the adjacent roller group or the adjacent linear track is less than half of the width of the conveying bottom plate 10, and the distance between the adjacent rollers 344 in each roller group 342 is less than the length of the conveying bottom plate 10, wherein the width is the size interval of the conveying bottom plate 10 in the direction parallel to the conveying direction, and the length is the size interval of the conveying bottom plate 10 in the direction perpendicular to the conveying direction, and the conveying direction is the conveying direction of the conveying bottom plate 10.

[0038] As an example, the turning assembly 34 includes a reversing bevel gear 346 fixed with the output shaft of the driving motor 343, the driving motor 343 drives the reversing bevel gear 346 to rotate, and the driving motor 343 is arranged outside the arc track and on the same side of the center of the arc track. In each roller group 342, the at least two rollers 344 are fixed together by the rotating shaft 345, and the axis of the rotating shaft 345 coincides with the axis of the roller 344.

[0039] Referring to Figures 3-4 In some embodiments, the rotating shaft 345 is fixed with a bevel gear 347 at one end towards the driving motor 343, and each bevel gear 347 is engaged with the reversing bevel gear 346.

[0040] Referring to Figures 5-6In some embodiments, the arc-shaped track comprises a plurality of first roller sets 342a and a plurality of second roller sets 342b, and the plurality of first roller sets 342a and the plurality of second roller sets 342b are arranged in an arc-shaped manner. The first roller set 342a is fixed with a first bevel gear 347a towards one end of the driving motor 343, the second roller set 342b is fixed with a second bevel gear 347b towards one end of the driving motor 343, the first bevel gear 347a is engaged with the adjacent second bevel gear 347b, and the first bevel gear 347a or the second bevel gear 347b is engaged with a reversing bevel gear 346. Preferably, the reversing bevel gear 346 is arranged at the end of the arc-shaped track and is engaged with the first bevel gear 347a or the second bevel gear 347b at the end. The driving motor 343 drives the first roller set 342a and the second roller set 342b to rotate through the reversing bevel gear 346, the first bevel gear 347a or the second bevel gear 347b rotates, in turn driving the rotating shaft 345 and the roller 344 to rotate, providing power for the conveying bottom plate 10 above the arc-shaped track to move along the arc-shaped track, and conveying the conveying bottom plate 10 to the straight track below to complete the turn.

[0041] Please refer to Figures 7-8 As an example, each roller set 342 comprises a roller set A and a roller set B, and a reversing bevel gear 346 is arranged between the roller set A and the roller set B. The reversing bevel gear 346 is fixed on the output shaft of the driving motor 343. A third bevel gear 348 is fixed on one side of the roller set A facing the roller set B and on one side of the roller set B facing the roller set A. Each third bevel gear 348 is engaged with the reversing bevel gear 346. The driving motor 343 drives the roller set A and the roller set B to rotate through the reversing bevel gear 346. In some embodiments, the roller set A and / or the roller set B comprises at least two rollers 344 arranged coaxially, and the at least two rollers 344 in the roller set A and / or the roller set B are fixed together by a rotating shaft 345. Preferably, the roller set A and the roller set B are arranged coaxially.

[0042] Further, each reversing bevel gear 346 is arranged coaxially with and fixedly connected to a transmission gear 349. Each transmission gear 349 is engaged with the adjacent transmission gear 349. One of the transmission gears 349 is fixedly connected to the output shaft of the driving motor 343. The driving motor 343 drives the reversing bevel gear 346 to rotate through the transmission gear 349, drives the roller set A and the roller set B of each roller set 342 to rotate, in turn drives the rotating shaft 345 and the roller 344 to rotate, provides power for the conveying bottom plate 10 above the arc-shaped track to move along the arc-shaped track, and conveys the conveying bottom plate 10 to the straight track below to complete the turn.

[0043] Further, the rotation direction of each roller in each roller group is consistent and tangent to the arc direction of the arc-shaped track, so that the conveying bottom plate 10 can smoothly enter the straight track along the arc-shaped track.

[0044] Further, the turning assembly 34 comprises a plurality of guide rollers 351 which are uniformly spaced on the side of the first arc-shaped plate 341a facing the conveying bottom plate 10 and are at the same horizontal plane as the conveying bottom plate 10, for assisting the sliding of the conveying bottom plate 10. Preferably, the guide rollers 351 partially protrude from the side of the first arc-shaped plate 341a facing the conveying bottom plate 10. More preferably, the outer side of the guide rollers 351 is made of flexible material to reduce the collision with the conveying bottom plate 10.

[0045] Further, the turning assembly 34 further comprises a conveying plate 352 which is arranged above the frame and has an upper surface slightly lower than the upper surface of the straight track, the conveying plate 352 is provided with a plurality of through holes 353 which correspond to each roller 343 of the roller group 342, each roller 343 is rotatably connected to the conveying plate 352, each roller 343 partially passes through the through hole 353 and partially protrudes from the upper surface of the conveying plate 352, and the upper surface of the roller 343 is flush with the upper surface of the straight track.

[0046] In some embodiments, the straight tracks of the plurality of straight conveying assemblies 32 are parallel to each other, and the central angle of the arc-shaped track of the turning assembly 34 is about 180°.

[0047] In some embodiments, the straight conveying assembly 32 comprises a first straight conveying assembly and a second straight conveying assembly which are perpendicular to each other, the conveying outlet end of the first straight conveying assembly is connected to the conveying inlet end of the adjacent second straight conveying assembly through the turning assembly 34, and / or the conveying outlet end of the second straight conveying assembly is connected to the conveying inlet end of the adjacent first straight conveying assembly 32a through the turning assembly 34, and the central angle of the arc-shaped track of the turning assembly 34 is about 90°.

[0048] Referring to Figure 9In some embodiments, the spraying room ground rail 20 comprises a blocking structure 221 arranged in front of the conveying of the conveying bottom plate 10 and a check structure 222 arranged behind the conveying of the conveying bottom plate 10. Specifically, the spraying room ground rail 20 is provided with spraying positions in front of the spraying equipment in the spraying room, the number and position of the spraying positions correspond to the number and position of the spraying equipment respectively, the blocking structure 221 is arranged in front of the conveying of the spraying position, and the check structure 222 is arranged behind the conveying of the spraying position. When the conveying bottom plate 10 starts to enter the spraying position, the blocking structure 221 is lifted to position the conveying bottom plate 10, and after the blocking structure 221 contacts the conveying bottom plate 10, the check structure 222 is lifted to limit the conveying bottom plate 10. The blocking structure 221 and the check structure 222 can use existing technical means. In the embodiment, the blocking structure 221 can use a blocking air cylinder, and the check structure 222 can use a check device or a check assembly.

[0049] Preferably, the spraying room ground rail 20 further comprises a limiting structure 223 arranged on both sides of the spraying room ground rail 20, and the blocking structure 221, the check structure 222 and the limiting structure 223 form a positioning area of the conveying bottom plate 10 to position the conveying bottom plate 10 from the front, the back, the left and the right, so as to avoid collision between the conveying bottom plate 10 and the spraying room ground rail 20 during rotation, and to prevent the sprayed needles on the Christmas tree from falling off.

[0050] Referring to Figure 10 In some embodiments, the fixing assembly comprises a fixing seat 122, a driven wheel 124, a sleeve 126 and a positioning piece 128, the fixing seat 122 is arranged on the conveying bottom plate 10, the driven wheel 124 is rotatably arranged on the fixing seat 122, the sleeve 126 is arranged on the driven wheel 124, the sleeve 126 is a hollow circular tube, the sleeve 126 is used for inserting the trunk of the Christmas tree, and the positioning piece 128 is arranged on the sleeve 126 and used for locking and fixing the trunk.

[0051] Further, the conveying bottom plate 10 is provided with a rotating structure for controlling the rotation of the Christmas tree. The rotating structure is a rotating structure in the prior art. When the Christmas tree runs along the spraying room ground rail 20 and / or the baking room ground rail 30, the rotating structure controls the rotation of the Christmas tree to achieve uniform drying and uniform cooling of the Christmas tree.

[0052] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0053] (1) By arranging the turning assembly composed of multiple groups of rollers, the conveying bottom plate can smoothly transition when turning, and the sprayed needles on the Christmas tree are prevented from falling off due to shaking.

[0054] (2) The blocking structure, check structure and limiting structure on the spraying ground rail and the fixing assembly on the conveying bottom plate jointly ensure the accurate positioning of the Christmas tree during the spraying process, and improve the spraying effect.

[0055] (3) The arc-shaped plate and the guide roller are arranged for guiding, so that the conveying bottom plate is aligned with the linear rail, and the collision between the conveying bottom plate and the base is reduced.

[0056] (4) The conveying device can continuously and stably convey the Christmas tree, reduces the waiting time and manual intervention, and improves the production efficiency.

[0057] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.

Claims

1. A spray fur system for a Christmas tree, characterized in that The application relates to a Christmas tree conveying device. The conveying track comprises a spraying room ground track and a drying room ground track arranged in sequence, the spraying room ground track is arranged in a spraying room, and the drying room ground track is arranged in a drying room. The drying room ground track comprises a plurality of straight conveying assemblies and a plurality of turning assemblies, the two ends of the turning assembly are connected with the straight conveying assemblies, and the straight conveying assemblies and the turning assemblies form a ring-shaped or arc-shaped drying room ground track. The straight conveying assembly is conveyed through a multiple-speed chain conveying line, the turning assembly comprises a plurality of roller groups and a driving motor, the roller groups are arranged in an arc-shaped mode and form an arc-shaped track, each roller group comprises at least two coaxially arranged rollers, the upper surfaces of the rollers are parallel to the upper surface of the multiple-speed chain conveying line, and the driving motor drives the rollers of the roller group to rotate. A conveying bottom plate is arranged in a plurality of modes and moves along the conveying track, and the conveying bottom plate is provided with a fixing assembly for fixing a Christmas tree.

2. A system for a Christmas tree according to claim 1, characterized in that, The distance between the axis of the roller group and the axis of the adjacent roller group or the adjacent straight conveying assembly is less than half the width of the conveying bottom plate, and the distance between the adjacent rollers in each roller group is less than the length of the conveying bottom plate.

3. The down spraying system for Christmas trees according to claim 2, characterized in that, The driving motor is arranged outside the arc-shaped track and on the same side of the center of the arc-shaped track, the output shaft of the driving motor is fixedly connected with a reversing bevel gear, in each roller group, the at least two rollers are fixedly connected with a rotating shaft in a coaxial mode, one side of the rotating shaft facing the driving motor is fixedly connected with a bevel gear, and at least one bevel gear is engaged with the reversing bevel gear.

4. The system of claim 3, wherein the plurality of nozzles are arranged in a circular pattern around the base of the tree. Each bevel gear is engaged with the reversing bevel gear, or each bevel gear is engaged with the adjacent bevel gear and one bevel gear is engaged with the reversing bevel gear.

5. The system of claim 2, wherein, Each roller group comprises a roller group A and a roller group B, a reversing bevel gear is arranged between the roller group A and the roller group B, the roller group A and the roller group B are fixedly connected with a bevel gear engaged with the reversing bevel gear, and the driving motor drives the reversing bevel gear to rotate.

6. The system of claim 5, wherein the spray is a spray of artificial snow. Each reversing bevel gear is fixedly connected with a transmission gear in a coaxial mode, each transmission gear is engaged with the adjacent transmission gear, and one transmission gear is fixedly connected with the output shaft of the driving motor, or the number of the driving motors corresponds to the number of the reversing bevel gears, and the output shaft of each driving motor is fixedly connected with a reversing bevel gear.

7. A system for spraying a Christmas tree according to any one of claims 1-6, characterized in that The rotating directions of the rollers in each roller group are consistent and are tangent to the arc direction of the arc-shaped track.

8. The system of claim 7, wherein the spray is a spray of artificial snow. The turning assembly comprises a rack, a conveying plate is arranged on the rack, a plurality of through holes corresponding to the rollers are arranged on the conveying plate, the rollers are rotationally connected with the conveying plate, and the rollers pass through the through holes and partially protrude from the upper surface of the conveying plate.

9. The system of claim 8, wherein the spray is a spray of artificial snow. The two sides of the arc-shaped track are provided with first arc-shaped plates and second arc-shaped plates with the same arc, the plurality of roller groups are arranged between the first arc-shaped plates and the second arc-shaped plates and are rotationally connected with the first arc-shaped plates and the second arc-shaped plates, the side of the first arc-shaped plate and / or the second arc-shaped plate facing the roller groups is made of flexible material; the turning assembly further comprises guide rollers, the guide rollers are rotationally connected with the first arc-shaped plates, and the plurality of guide rollers are uniformly and spacedly arranged on the side of the first arc-shaped plate facing the conveying bottom plate, are located on the same horizontal plane with the conveying bottom plate and are used for assisting the sliding of the conveying bottom plate.

10. A system for spraying a Christmas tree according to any of claims 7-9, characterized in that The spray house ground rail and the curing house ground rail are conveyed through the multiple-speed chain conveying line; the multiple-speed chain conveying line comprises a machine base, multiple-speed chains, chain wheels and a motor, two parallel multiple-speed chains are arranged on the machine base and are meshingly connected with a chain wheel, the two chain wheels are coaxially arranged and are drivingly connected with the output shaft of the motor, and the motor drives the two chain wheels to simultaneously drive the two multiple-speed chains to run.

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