Automatic PUR floor conveying system

Abstract

The invention relates to the technical field of plate conveying, and discloses an automatic PUR floor conveying system which comprises a conveying support, conveying rolling shafts are rotationally connected to the interior of the conveying support in a linear array at equal intervals, a feeding assembly used for wood plate feeding is arranged on the conveying support, and a detection assembly used for edge-warping wood plate detection is arranged on the conveying support. The conveying support is provided with a removing assembly used for removing edge-warping wood boards. By arranging a plurality of groups of second electric contact blocks and first electric contact blocks of which the number is the same as that of the boards, and according to whether each group of first electric contact blocks and second electric contact blocks are electrically contacted at the same time, whether the boards corresponding to each group of first electric contact blocks and second electric contact blocks have edge warping conditions can be detected, and the boards with the edge warping conditions can be accurately positioned; and meanwhile, a group of telescopic collecting plates corresponding to the edge-warped wood plates stretch upwards, so that the edge-warped wood plates can be conveyed into the placing groove to be collected, and manual checking and removing work in the wood plate conveying process is not needed.

Description

Technical Field

[0001] The present invention relates to the technical field of sheet conveying, and specifically to an automatic conveying system for PUR floors. Background Art

[0002] During the production of PUR floors, in order to improve production efficiency and optimize the production process, multiple wooden boards are selected to be conveyed in the same row into relevant processing devices such as gluing equipment for simultaneous processing.

[0003] When multiple wooden boards are conveyed in the same row, due to possible slight differences in dimensions, weights, surface treatments, etc. between the wooden boards, there are differences in the static friction that needs to be overcome for the wooden boards to move synchronously with the conveying device at the starting point. As a result, the wooden boards cannot be synchronously accelerated to the same speed as the conveying device and move forward synchronously with the conveying device, leading to the situation that the wooden boards cannot move synchronously at the starting point and some wooden boards remain at the starting point. This retention phenomenon not only causes uneven distribution of the wooden boards on the conveying line but also affects the placement of the next batch of wooden boards, thus triggering a series of problems such as overlapping and misalignment of the wooden boards. After the wooden boards overlap or are misaligned, the conveying process of the wooden boards becomes chaotic, and the subsequent processing process also becomes complex and difficult.

[0004] At the same time, during the processing and storage of some wooden boards, warping may occur due to uneven stress and other situations. This warping phenomenon affects the processing quality of the floor and reduces the usability of the wooden boards. Therefore, in traditional production, the production factory will additionally arrange staff to inspect during the conveying process of the wooden boards and remove the warped wooden boards to prevent them from entering the next process. This manual inspection and removal process is not only time-consuming and laborious but also increases the labor intensity of the staff.

[0005] Therefore, an automatic conveying system for PUR floors is proposed. Summary of the Invention

[0006] The purpose of the present invention is to provide an automatic conveying system for PUR floors to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An automatic conveying system for PUR floors, including a conveying support. The inside of the conveying support is rotatably connected at equal intervals in a linear array with conveying rollers. A feeding assembly for feeding the wooden boards is arranged on the conveying support. A detection assembly for detecting warped wooden boards is arranged on the conveying support. A removal assembly for removing warped wooden boards is arranged on the conveying support.

[0008] Preferably, the feeding component includes a placement frame fixedly connected to the outer wall of the conveying support. Symmetrically and fixedly connected to the bottom of the inner wall of the placement frame are feeding springs, and one end of each feeding spring away from the inner wall of the placement frame is fixedly connected to a placement plate. Fixedly connected to the top of the conveying support is a feeding drive box. Inside the feeding drive box, symmetrically rotatably connected are rotating wheels. Between the symmetrically arranged rotating wheels is a transmission belt. Between one rotating wheel away from the placement frame and the conveying roller is a connecting belt. Fixedly connected to the outer wall of the transmission belt is a pushing block. Slidably connected to the inner wall of the feeding drive box is a sliding plate, and a sliding groove is penetratingly formed on the surface of the sliding plate.

[0009] Preferably, the feeding component further includes a limiting groove penetratingly formed on the surface of the sliding plate. Slidably connected inside the limiting groove is a sliding rod. Penetratingly formed on one side surface of the feeding drive box away from the connecting belt is a guiding sliding groove. One end of the sliding rod away from the sliding plate is fixedly connected to a linkage sliding seat. Inside the linkage sliding seat are fixedly connected a suction cup in a linear array. Fixedly connected to the top of the linkage sliding seat is an electric pump. Fixedly connected to the bottom of the sliding plate is a starting rack. Rotatably connected to the inner wall of the feeding drive box is a linkage gear. Slidably connected to the inner wall of the feeding drive box is a linkage rack. Fixedly connected to one side surface of the linkage rack away from the rotating wheel is a linkage push plate.

[0010] Preferably, one end of the pushing block away from the transmission belt is slidably connected inside the sliding groove, the sliding rod is slidably connected inside the guiding sliding groove, the starting rack meshes with the linkage gear, and the linkage rack meshes with the linkage gear.

[0011] Preferably, the detection component includes a linkage turntable fixedly connected to the surface of a conveying roller in the middle of the conveying support. Eccentrically fixedly connected to the outer wall of the linkage turntable is a fixed circular block. Rotatably connected to the outer wall of the fixed circular block is a linkage rotating rod. Fixedly connected to the top of the conveying support is a guiding seat. Slidably connected inside the guiding seat is a detection plate. Fixedly connected to the top of the inner wall of the detection plate is a first electric contact block. Penetratingly and slidably connected to the bottom of the inner wall of the detection plate is a sliding contact block. Fixedly connected to the top of the sliding contact block is a second electric contact block.

[0012] Preferably, one end of the linkage rotating rod away from the fixed circular block is rotatably connected to the outer wall of the detection plate. There are no less than two groups of the first electric contact blocks, and each group has four first electric contact blocks. The sliding contact block, the second electric contact block and the first electric contact block are the same in number.

[0013] Preferably, the removing component includes a collecting box fixedly connected to the top of the conveying bracket. The inside of the collecting box is linearly and arrayedly penetrated with placing grooves. The bottom of the groove wall of the placing groove is symmetrically and rotatably connected with fixed rotating shafts. The surface of the fixed rotating shafts is fixedly connected with rotating plates. The inner wall of the conveying bracket and at the bottom of the placing groove is fixedly connected with a telescopic collecting plate. The top of the conveying bracket is symmetrically fixedly connected with telescopic pushing plates.

[0014] Preferably, the top of the rotating plate is in mutual contact with the bottom wall of the collecting box. There are no less than two groups of telescopic collecting plates. Each group of telescopic collecting plates has two, and each group of telescopic collecting plates corresponds to the placing grooves opened in a linear array.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. By setting multiple groups of second electric contact blocks and first electric contact blocks with the same number as the number of wooden boards, and according to whether each group of first electric contact blocks and second electric contact blocks are electrically contacted simultaneously, it can be detected whether the wooden boards corresponding to each group of first electric contact blocks and second electric contact blocks are warped, and the warped wooden boards can be accurately positioned. At the same time, a group of telescopic collecting plates corresponding to the warped wooden boards can extend upward to send the warped wooden boards into the interior of the placing groove for collection. Therefore, there is no need for manual inspection and removal during the conveying process of the wooden boards, which reduces the work intensity of the staff and is also convenient for centralized treatment of the warped wooden boards. In addition, the telescopic pushing plates can extend different lengths according to the number of remaining wooden boards on the surface of the conveying rollers, so that the remaining wooden boards gather towards the middle of the conveying rollers to form a whole and continue to move forward, making the conveying of the wooden boards more stable and not likely to shake or shift due to the movement of the conveying rollers, reducing the possibility of collision of the wooden boards, and thus reducing the damage risk of the wooden boards during the conveying process;

[0017] 2. Through the reciprocating movement of the suction cups on the surface of the conveying rollers and the guiding action of the inclined grooves in the guiding chutes, continuous feeding of the wooden boards is realized. At the same time, following the material taking behavior of the suction cups moving, the linkage push plates can give a driving force to the wooden boards located at the starting point on the surface of the conveying rollers, promoting the wooden boards to move synchronously away from the placing frame, avoiding some wooden boards staying at the starting point, and thus ensuring the smooth progress of the feeding process and the subsequent production process. When the suction cups discharge materials, the linkage push plates move in the opposite direction and leave the discharging area of the suction cups. Therefore, the linkage push plates will not hinder the discharging process of the suction cups, ensuring the smooth progress of the feeding process. Description of the Drawings

[0018] Figure 1 is a three-dimensional schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a three-dimensional schematic diagram of the internal structure of the placing frame of the present invention;

[0020] Figure 3 This is a three-dimensional schematic diagram of the positional relationship between the starting rack and the linkage rack of the present invention;

[0021] Figure 4 For the present invention Figure 3 A partial enlarged schematic diagram of the structure at position A in the figure;

[0022] Figure 5 This is a three-dimensional schematic diagram of the internal structure of the feeding drive box of the present invention;

[0023] Figure 6 For the present invention Figure 5 A partial enlarged schematic diagram of the structure at position B in the figure;

[0024] Figure 7 This is a three-dimensional schematic diagram of the positional relationship between the linkage slider and the suction cup of the present invention;

[0025] Figure 8 This is a three-dimensional schematic diagram of the structure of the detection component of the present invention;

[0026] Figure 9 For the present invention Figure 8 A partial enlarged schematic diagram of the structure at position C in the figure.

[0027] In the figure:

[0028] 1. Conveyor support; 2. Conveyor roller;

[0029] The feeding component includes: 31. Placing frame; 32. Feeding spring; 33. Placing plate; 34. Feeding drive box; 35. Rotating wheel; 36. Transmission belt; 37. Connecting belt; 38. Pushing block; 39. Sliding plate; 310. Sliding groove; 311. Limiting groove; 312. Sliding rod; 313. Guide sliding groove; 314. Linkage slider; 315. Suction cup; 316. Electric pump; 317. Starting rack; 318. Linkage gear; 319. Linkage rack; 320. Linkage push plate;

[0030] The detection component includes: 41. Linkage turntable; 42. Fixed round block; 43. Linkage rotating rod; 44. Guide seat; 45. Detection plate; 46. First electric contact block; 47. Sliding contact block; 48. Second electric contact block;

[0031] The rejection component includes: 51. Collection box; 52. Placing groove; 53. Fixed rotating shaft; 54. Rotating plate; 55. Telescopic collection plate; 56. Telescopic push plate. Specific embodiments

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] Please refer to Figures 1 to 9 , an embodiment provided by the present invention: an automatic conveying system for PUR floors, including a conveying bracket 1. Inside the conveying bracket 1, conveying rollers 2 are rotatably connected at equal intervals in a linear array. The conveying rollers 2 are fixedly connected to the output end of an external motor. A feeding assembly for feeding wooden boards is arranged on the conveying bracket 1. A detection assembly for detecting warped-edge wooden boards is arranged on the conveying bracket 1. A rejection assembly for rejecting warped-edge wooden boards is arranged on the conveying bracket 1.

[0034] The feeding assembly includes a placement frame 31. The placement frame 31 is fixedly connected to the outer wall of the conveying bracket 1. Symmetrically fixed to the bottom of the inner wall of the placement frame 31 are feeding springs 32. One end of the feeding spring 32 away from the inner wall of the placement frame 31 is fixedly connected to a placement plate 33. A feeding drive box 34 is fixedly connected to the top of the conveying bracket 1. Inside the feeding drive box 34, rotating wheels 35 are symmetrically rotatably connected. A transmission belt 36 is connected between the symmetrically arranged rotating wheels 35. A connecting belt 37 is connected between one of the rotating wheels 35 away from the placement frame 31 and the conveying roller 2. A pushing block 38 is fixedly connected to the outer wall of the transmission belt 36. A sliding plate 39 is slidably connected to the inner wall of the feeding drive box 34. A sliding groove 310 is formed through the surface of the sliding plate 39. One end of the pushing block 38 away from the transmission belt 36 is slidably connected inside the sliding groove 310. The feeding assembly further includes a limiting groove 311. The limiting groove 311 is formed through the surface of the sliding plate 39. A sliding rod 312 is slidably connected inside the limiting groove 311. A guiding sliding groove 313 is formed through the surface of one side of the feeding drive box 34 away from the connecting belt 37. The sliding rod 312 is slidably connected inside the guiding sliding groove 313. One end of the sliding rod 312 away from the sliding plate 39 is fixedly connected to a linkage sliding seat 314. Inside the linkage sliding seat 314, suction cups 315 are fixedly connected in a linear array. An electric pump 316 is fixedly connected to the top of the linkage sliding seat 314. A starting rack 317 is fixedly connected to the bottom of the sliding plate 39. A linkage gear 318 is rotatably connected to the inner wall of the feeding drive box 34. The starting rack 317 meshes with the linkage gear 318. A linkage rack 319 is slidably connected to the inner wall of the feeding drive box 34. The linkage rack 319 meshes with the linkage gear 318. A linkage push plate 320 is fixedly connected to the surface of one side of the linkage rack 319 away from the rotating wheel 35.

[0035] Wherein: both ends of the sliding rod 312 are provided with inclined grooves with the bottom ends close to the conveying roller 2, and one end of the sliding rod 312 close to the placing frame 31 is located above the placing frame 31.

[0036] The detection component includes a linkage turntable 41. The linkage turntable 41 is fixedly connected to the surface of a conveying roller 2 in the middle of the conveying bracket 1. An eccentric fixed block 42 is fixedly connected to the outer wall of the linkage turntable 41. A linkage rod 43 is rotatably connected to the outer wall of the fixed block 42. A guide seat 44 is fixedly connected to the top of the conveying bracket 1. A detection plate 45 is slidably connected inside the guide seat 44. One end of the linkage rod 43 away from the fixed block 42 is rotatably connected to the outer wall of the detection plate 45. A first electric contact block 46 is fixedly connected to the top of the inner wall of the detection plate 45. A sliding contact block 47 is slidably connected through the bottom of the inner wall of the detection plate 45. A second electric contact block 48 is fixedly connected to the top of the sliding contact block 47. There are no less than two groups of first electric contact blocks 46, and each group of first electric contact blocks 46 has four. The sliding contact block 47, the second electric contact block 48 and the first electric contact block 46 have the same number.

[0037] Wherein: the number of groups of the first electric contact blocks 46 is the same as the number of wooden boards in each row. Each group of four first electric contact blocks 46 are respectively located above the four corners of the corresponding wooden board. There is an electrical connection relationship between the first electric contact block 46 and an external power supply. There is an electrical connection relationship between the second electric contact block 48 and the telescopic collecting plate 55 and the telescopic pushing plate 56.

[0038] The rejection component includes a collecting box 51. The collecting box 51 is fixedly connected to the top of the conveying bracket 1. Placement grooves 52 are linearly arrayed and penetrated through the inner part of the collecting box 51. Fixed rotating shafts 53 are symmetrically rotatably connected to the bottom of the groove walls of the placement grooves 52. A rotating plate 54 is fixedly connected to the surface of the fixed rotating shafts 53. The top of the rotating plate 54 is in mutual fit with the bottom wall of the collecting box 51. The bottom of the rotating plate 54 is arc-shaped. A telescopic collecting plate 55 is fixedly connected to the inner wall of the conveying bracket 1 and at the bottom of the placement groove 52. There are no less than two groups of telescopic collecting plates 55. Each group of telescopic collecting plates 55 has two. And each group of telescopic collecting plates 55 corresponds to the linearly arrayed placement grooves 52. Telescopic pushing plates 56 are symmetrically fixedly connected to the top of the conveying bracket 1.

[0039] Wherein: the number of groups of the telescopic collecting plates 55 is the same as the number of wooden boards in each row.

[0040] The working principle of the above implementation is as follows:

[0041] The initialization steps are as follows:

[0042] The staff puts the wooden boards into the interior of the placing frame 31 row by row. At this time, the feeding spring 32 is in a compressed state.

[0043] The working operation steps are as follows:

[0044] The following is an elaboration on the process of the loading component loading the wooden board:

[0045] As Figures 1 to 6 shown, the staff starts the external motor of the conveying roller 2. The external motor is powered on to drive the conveying roller 2 to start rotating. The rotation of the conveying roller 2 drives the rotating wheel 35 to rotate inside the loading drive box 34 through the connecting belt 37 connected to it in a transmission manner. The rotation of the rotating wheel 35 drives the transmission belt 36 connected to it in a transmission manner to start transmitting. The transmission of the transmission belt 36 drives the pushing block 38 fixedly connected to its surface to move along the transmission path of the transmission belt 36 towards the placing frame 31. The movement of the pushing block 38 causes it to slide inside the sliding groove 310 and push the sliding plate 39 to move towards the placing frame 31. The movement of the sliding plate 39 drives the sliding rod 312 inside it to move synchronously. The movement of the sliding rod 312 causes it to slide inside the guiding sliding groove 313. Since both ends of the guiding sliding groove 313 are inclined grooves with the bottom end close to the conveying roller 2, when the sliding rod 312 slides to the end of the guiding sliding groove 313 close to the placing frame 31, due to the guiding effect of the inclined groove inside the guiding sliding groove 313, the sliding rod 312 slides downward inside the limiting groove 311. The sliding of the sliding rod 312 drives the linkage sliding seat 314 fixedly connected to it to move downward synchronously. The movement of the linkage sliding seat 314 drives the suction cup 315 to move downward synchronously. When the sliding rod 312 slides to the bottom end of the limiting groove 311, the suction cup 315 contacts the wooden board on the top of the placing frame 31. At this time, the electric pump 316 is started to discharge the air inside the suction cup 315, making the inside of the suction cup 315 in a vacuum state. The pressure inside the suction cup 315 is less than the external pressure. Under the action of the pressure difference inside and outside the suction cup 315, the suction cup 315 generates a suction force on the wooden board.

[0046] Subsequently, under the driving action of the transmission belt 36, the pushing block 38 moves away from the placing frame 31. The pushing block 38 slides inside the sliding groove 310 and pushes the sliding plate 39 to move away from the placing frame 31. The movement of the sliding plate 39 drives the synchronous movement of the sliding rod 312 inside it. The movement of the sliding rod 312 causes it to slide inside the guiding sliding groove 313. At this time, under the guiding action of the inclined groove on the side of the guiding sliding groove 313 close to the placing frame 31, the sliding rod 312 slides upward inside the limiting groove 311. The upward sliding of the sliding rod 312 drives the synchronous upward movement of the linkage sliding seat 314 fixedly connected to it. The upward movement of the linkage sliding seat 314 drives the upward movement of the suction cup 315. The upward movement of the suction cup 315 drives the wooden board to move upward and leave the inside of the placing frame 31. The number of wooden boards inside the placing frame 31 decreases, and the gravity of the wooden boards borne by the placing plate 33 decreases. At this time, under the elastic stretching action of the feeding spring 32, the placing plate 33 moves upward inside the placing frame 31. The wooden board at the uppermost position inside the placing frame 31 moves to the top of the placing frame 31. When the sliding rod 312 moves to the side of the guiding sliding groove 313 away from the placing frame 31, under the guiding action of the inclined groove on the side of the guiding sliding groove 313 away from the placing frame 31, the sliding rod 312 slides downward inside the limiting groove 311. The downward sliding of the sliding rod 312 drives the synchronous downward movement of the linkage sliding seat 314 fixedly connected to it. The downward movement of the linkage sliding seat 314 drives the downward movement of the suction cup 315. When the sliding rod 312 slides to the bottom end of the limiting groove 311, at this time, the electric pump 316 is started to make the air pressure inside and outside the suction cup 315 equal, the pressure difference inside and outside the suction cup 315 is equal, and the suction cup 315 no longer generates suction force on the wooden board. The suction cup 315 is placed on the conveying roller 2. During the continuous transmission of the transmission belt 36, the suction cup 315 continuously repeats the above process to place the wooden board on the surface of the conveying roller 2 and move away from the placing frame 31 along with the rotation of the conveying roller 2.

[0047] Meanwhile, when the sliding plate 39 moves towards the placement frame 31, the movement of the sliding plate 39 drives the starting rack 317 fixedly connected thereto to move synchronously. The movement of the starting rack 317 drives the linkage gear 318 meshing therewith to start rotating. The rotation of the linkage gear 318 drives the linkage rack 319 meshing therewith to slide away from the placement frame 31 inside the feeding drive box 34. The sliding of the linkage rack 319 drives the linkage push plate 320 fixedly connected thereto to move synchronously on the surface of the conveying roller 2 away from the placement frame 31. Furthermore, the movement of the linkage push plate 320 can give the wooden board located at the starting point on the surface of the conveying roller 2 a driving force, promoting the wooden board to move away from the placement frame 31 synchronously, avoiding some wooden boards staying at the starting point, and thus ensuring the smooth progress of the feeding process and the subsequent production process. When the sliding plate 39 moves away from the placement frame 31, the movement of the sliding plate 39 drives the starting rack 317 fixedly connected thereto to move synchronously. The movement of the starting rack 317 drives the linkage gear 318 meshing therewith to rotate in the reverse direction. The reverse rotation of the linkage gear 318 drives the linkage rack 319 meshing therewith to slide reversely inside the feeding drive box 34. The reverse sliding of the linkage rack 319 drives the linkage push plate 320 to move reversely on the surface of the conveying roller 2 away from the discharging area of the suction cup 315. Furthermore, the linkage push plate 320 will not hinder the discharging process of the suction cup 315, ensuring the smooth progress of the feeding process.

[0048] The following is an elaboration on the process of the detection component detecting the warped-edge wooden board:

[0049] As Figure 7As shown in the figure, during the movement of the wooden board on the surface of the conveying roller 2 away from the placement frame 31, the rotation of the conveying roller 2 drives the synchronous rotation of the linkage turntable 41 fixedly connected thereto. The rotation of the linkage turntable 41 drives the fixed circular block 42 fixedly connected eccentrically on its surface to perform a revolution around the center of the linkage turntable 41. The revolution of the fixed circular block 42 drives the linkage rod 43 to rotate and causes the linkage rod 43 to move up and down reciprocally. The up and down reciprocating movement of the linkage rod 43 drives the detection plate 45 to move up and down reciprocally inside the guide seat 44. Due to the limiting effect of the inner wall of the guide seat 44, the detection plate 45 moves linearly inside the guide seat 44. When the detection plate 45 moves to the bottom of the guide seat 44, the sliding contact block 47 will abut against the wooden board on the surface of the conveying roller 2, causing the sliding contact block 47 to slide upward inside the detection plate 45. The upward sliding of the sliding contact block 47 drives the second electric contact block 48 to move upward inside the detection plate 45. Since there are no less than two groups of the first electric contact blocks 46, each group of the first electric contact blocks 46 has four. The number of the sliding contact blocks 47, the second electric contact blocks 48 is the same as that of the first electric contact blocks 46. The number of groups of the first electric contact blocks 46 is the same as the number of wooden boards in each row. Each group of four first electric contact blocks 46 are respectively located above the four corners of the corresponding wooden board. When the wooden board is in a flat state, each group of the first electric contact blocks 46 will be electrically contacted with the corresponding second electric contact block 48 at the same time. When the wooden board has a warped edge, at least one of the four corners of the wooden board is in a protruding state. At this time, a group of the first electric contact blocks 46 corresponding to the wooden board will not be electrically contacted with the corresponding second electric contact block 48 at the same time. Thus, the wooden board with a warped edge can be accurately positioned. When the detection plate 45 slides upward inside the guide seat 44, under the gravity of the sliding contact block 47 and the second electric contact block 48, the sliding contact block 47 slides back to its original position inside the detection plate 45, and thus will not affect the next use.

[0050] The following is an elaboration on the process of the rejection component rejecting the warped wooden board:

[0051] As Figures 8 to 9As shown, when the edge of the wooden board is warped, the group of first electrical contacts 46 corresponding to the wooden board is not in electrical contact with the corresponding second electrical contacts 48 at the same time. When the wooden board moves to above the telescopic collecting plate 55, under the electrical control of the second electrical contacts 48, the group of telescopic collecting plates 55 corresponding to the wooden board is energized and extended upward, driving the warped wooden board to move upward. When the warped wooden board moves to conflict with the bottom of the corresponding rotating plate 54, the bottom of the rotating plate 54 is set to an arc shape. Under the driving effect of the upward movement of the warped wooden board, the rotating plate 54 rotates upward around the fixed rotating shaft 53. At this time, the rotating plate 54 will not hinder the movement of the wooden board. When the warped wooden board completely enters the corresponding placement groove 52, the rotating plate 5 4, the rotating plate 54 rotates again to fit with the bottom of the collecting box 51. At this time, the telescopic collecting plate 55 contracts downward. Because the top of the rotating plate 54 fits with the bottom of the collecting box 51, the downward rotation of the rotating plate 54 is restricted by the collecting box 51. Therefore, the rotation of the rotating plate 54 is a one-way upward rotation. The warped wooden board is resisted by the rotating plate 54 and stays inside the placement groove 52. When the warped wooden board is detected again, the telescopic collecting plate 55 repeats the above steps, and the detected warped wooden board can be collected inside the collecting box 51. There is no need for manual inspection and rejection during the transportation of the wooden boards, which reduces the workload of the staff and facilitates the centralized processing of the warped wooden boards.

[0052] At the same time, when the wooden board moves to the area where the telescopic push plate 56 is located, the telescopic push plate 56 will extend to different lengths according to the number of groups of first electric contacts 46 and second electric contacts 48 that are not in electrical contact at the same time. The number of groups of first electric contacts 46 and second electric contacts 48 that are not in electrical contact at the same time is large, which means that there are more warped wooden boards and fewer flat wooden boards remaining on the surface of the conveying roller 2. At this time, the telescopic push plate 56 will extend to a greater length. Conversely, the number of groups of first electric contacts 46 and second electric contacts 48 that are not in electrical contact at the same time is small, and the telescopic push plate 56 will extend to a smaller length. Then, under the pushing action of the telescopic push plates 56 on both sides, the remaining wooden boards on the surface of the conveying roller 2 will gather toward the middle of the conveying roller 2 as a whole and continue to move forward, making the transportation of the wooden boards more stable and less prone to shaking or deviation due to the movement of the conveying roller 2, thereby reducing the possibility of collision between the wooden boards and reducing the risk of damage to the wooden boards during transportation.

[0053] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0054] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PUR floor automatic conveying system, comprising a conveying bracket (1), wherein the interior of the conveying bracket (1) is connected to conveying rollers (2) in a linear array and equidistantly rotatably, and characterized in that: The conveying bracket (1) is provided with a loading component for loading wooden boards, the conveying bracket (1) is provided with a detection component for detecting warped wooden boards, and the conveying bracket (1) is provided with a rejection component for rejecting warped wooden boards.

2. The automatic PUR floor conveying system according to claim 1, characterized in that: The loading assembly comprises a placing frame (31), the placing frame (31) is fixedly connected to the outer wall of the conveying support (1), a loading spring (32) is symmetrically fixedly connected to the bottom of the inner wall of the placing frame (31), one end of the loading spring (32) away from the inner wall of the placing frame (31) is fixedly connected to a placing plate (33), the top of the conveying support (1) is fixedly connected to a loading drive box (34), the inner wall of the loading drive box (34) is symmetrically rotatably connected to rotating wheels (35), a transmission belt (36) is transmission-connected between the symmetrically arranged rotating wheels (35), a connecting belt (37) is transmission-connected between a rotating wheel (35) away from the placing frame (31) and the conveying roller (2), the outer wall of the transmission belt (36) is fixedly connected to a pushing block (38), the inner wall of the loading drive box (34) is slidably connected to a sliding plate (39), and a sliding groove (310) is opened through the surface of the sliding plate (39).

3. The automatic PUR floor conveying system according to claim 2, characterized in that: The feeding assembly further comprises a limiting groove (311), wherein the limiting groove (311) is penetrated and opened on the surface of the sliding plate (39), and a sliding rod (312) is slidably connected inside the limiting groove (311), and a guide sliding groove (313) is penetrated and opened on the side surface of the feeding drive box (34) away from the connecting belt (37), and a linkage sliding seat (314) is fixedly connected to one end of the sliding rod (312) away from the sliding plate (39), and the interior of the linkage sliding seat (314) is linear. The array is fixedly connected with a suction cup (315), the top of the linkage slide (314) is fixedly connected with an electric pump (316), the bottom of the sliding plate (39) is fixedly connected with a starting gear rod (317), the inner wall of the feeding drive box (34) is rotatably connected with a linkage gear rod (318), the inner wall of the feeding drive box (34) is slidably connected with a linkage gear rod (319), and the surface of the linkage gear rod (319) on one side away from the rotating wheel (35) is fixedly connected with a linkage push plate (320).

4. The automatic PUR floor conveying system according to claim 3 is characterized in that: The end of the pushing block (38) away from the transmission belt (36) is slidably connected to the inside of the sliding groove (310), the sliding rod (312) is slidably connected to the inside of the guide sliding groove (313), the starting gear rod (317) and the linkage gear (318) are meshed with each other, and the linkage gear rod (319) and the linkage gear (318) are meshed with each other.

5. The automatic PUR floor conveying system according to claim 1, characterized in that: The detection component comprises a linkage rotating disk (41), wherein the linkage rotating disk (41) is fixedly connected to the surface of a conveying roller (2) located in the middle of the conveying bracket (1), the outer wall of the linkage rotating disk (41) is eccentrically fixedly connected to a fixed round block (42), the outer wall of the fixed round block (42) is rotatably connected to a linkage rotating rod (43), the top of the conveying bracket (1) is fixedly connected to a guide seat (44), the inside of the guide seat (44) is slidably connected to a detection plate (45), the top of the inner wall of the detection plate (45) is fixedly connected to a first electric contact block (46), the bottom of the inner wall of the detection plate (45) is slidably connected to a sliding contact block (47), and the top of the sliding contact block (47) is fixedly connected to a second electric contact block (48).

6. The automatic PUR floor conveying system according to claim 5, characterized in that: One end of the linkage rotating rod (43) away from the fixed round block (42) is rotatably connected to the outer wall of the detection plate (45), and the first electric contact blocks (46) are provided in no less than two groups, each group of the first electric contact blocks (46) is provided with four, and the number of the sliding contacts (47) and the second electric contacts (48) is the same as that of the first electric contacts (46).

7. The automatic PUR floor conveying system according to claim 1, characterized in that: The rejection assembly comprises a collection box (51), the collection box (51) is fixedly connected to the top of the conveying bracket (1), the interior of the collection box (51) is provided with placement grooves (52) in a linear array, the bottom of the groove wall of the placement groove (52) is symmetrically rotatably connected to a fixed shaft (53), the surface of the fixed shaft (53) is fixedly connected to a rotating plate (54), the inner wall of the conveying bracket (1) and located at the bottom of the placement groove (52) is fixedly connected to a telescopic collection plate (55), and the top of the conveying bracket (1) is symmetrically fixedly connected to a telescopic push plate (56).

8. The automatic PUR floor conveying system according to claim 7, characterized in that: The top of the rotating plate (54) is in contact with the bottom wall of the collection box (51), and at least two groups of telescopic collection plates (55) are provided, each group of telescopic collection plates (55) is provided with two, and each group of telescopic collection plates (55) corresponds to the placement groove (52) opened in the linear array.

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