CN209776860U

CN209776860U - A carton top cap turns over a transfer chain for floor packing

Info

Publication number: CN209776860U
Application number: CN201920380029.5U
Authority: CN
Inventors: 胡二飞; 缪建
Original assignee: Wuxi Nuoert Machinery Co Ltd
Current assignee: Wuxi Nuoert Machinery Co Ltd
Priority date: 2019-03-23
Filing date: 2019-03-23
Publication date: 2019-12-13
Anticipated expiration: 2029-03-23

Abstract

The utility model relates to the technical field of floor packaging, and discloses a carton top cover folding and conveying line for floor packaging, which has the key points of the technical scheme that the conveying line comprises a frame, wherein a supporting roll is connected in the frame, two supporting frames are arranged in the frame, a main conveying frame is connected on the supporting frames, and a driving shaft is rotatably connected on one side of the frame; a portal frame is arranged across the rack, a supporting frame is arranged on the portal frame, a plurality of connecting frames are vertically arranged on the supporting frame, a downward pressing cylinder is vertically arranged on each connecting frame, and a telescopic rod of the downward pressing cylinder is downward and fixedly connected with a box pressing plate; the frame perpendicular to backing roll's both sides are connected with the mounting bracket respectively, and the vertical pole cylinder that turns over that is equipped with in the mounting bracket, the top of mounting bracket are rotated and are connected with the trip bar, fixedly connected with returning face plate on the trip bar, and the telescopic link of pole cylinder that turns over upwards articulates in the returning face plate, is connected with on the returning face plate and presses the sideboard. The utility model has the advantages of at the in-process of transportation carton, carry out the automation to the top cap of carton and its side and turn over a book.

Description

a carton top cap turns over a transfer chain for floor packing

Technical Field

The utility model relates to a technical field of floor packing, in particular to a carton top cap turns over a transfer chain for floor packing.

background

After the floor is manufactured, the floor is usually required to be packaged for protection of the floor, and a corrugated paper box is mostly used for packaging. In the packaging process, the paper boxes move on the conveying line, and the paper boxes are packaged in the transportation process of the paper boxes.

In the prior art, the conveying line of the paper box only plays a conveying role, workers are located beside the conveying line, each worker corresponds to one bonding process, when the paper box is conveyed on the conveying line, the workers perform bonding work on the paper box, and when the paper box reaches the tail of the conveying line, the packaging process of the whole floor is completed. Although the conveying line for floor packaging improves the working efficiency compared with the traditional pure manual packaging, a large amount of human resources are required in actual work, and the labor load of workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a carton top cap turns over a transfer chain for floor packing has at the in-process of transportation carton, carries out the automatic advantage of turning over a book to the top cap of carton and its side.

The above technical purpose of the present invention can be achieved by the following technical solutions:

A carton top cover folding and conveying line for floor packaging comprises a rack, wherein two opposite inner sides of the rack are fixedly connected with supporting rollers respectively, two parallel supporting frames are arranged in the rack and are connected to two ends of the supporting rollers respectively, a main conveying frame is connected onto the supporting frames and is provided with a first conveying belt, a driving shaft is rotatably connected to one side of each supporting frame, a driving motor used for driving the driving shaft to rotate is arranged on the ground, and the driving shaft is linked with the first conveying belt;

A portal frame is arranged across the rack, a supporting frame is arranged on the portal frame, a plurality of connecting frames are vertically arranged on the supporting frame, the connecting frames are sequentially arranged along the length direction of the supporting frame, a pressing cylinder is vertically arranged on the connecting frames, and a telescopic rod of the pressing cylinder is downward and fixedly connected with a box pressing plate;

the frame perpendicular to backing roll's both sides are connected with the mounting bracket respectively, the vertical pole cylinder that turns over that is equipped with in the mounting bracket, the top of mounting bracket is rotated and is connected with the trip bar, fixedly connected with returning face plate on the trip bar, the telescopic link of pole cylinder that turns over upwards and articulate in the returning face plate, be connected with the blank pressing board on the returning face plate, the one side that the returning face plate was kept away from the returning face plate is close to in main carriage.

Through adopting above-mentioned technical scheme, treat that the folding carton is violently put on the main carriage of both sides, under the transportation of main conveyer belt, the carton moves to the below of pressing the box board, and the top cap of carton forms the trend of turning over downwards under the guide of pressing the box board, starts the air cylinder that pushes down this moment, and the air cylinder that pushes down orders about and presses the box board and move down to make the top cap lock on the carton. After the top cover is buckled on the paper box, the turnover rod cylinder is started and drives the turnover plate to rotate, so that the two side edges of the top cover in the length direction are pressed downwards and attached to the two sides of the paper box in the length direction, and the effect of turning over the top cover and the side edges of the paper box is achieved. When the carton got into first conveyer belt top, carry out the precoating with carton length direction's both sides and glue, the side was beaten down at the returning face plate, with the position joint of precoating. The utility model discloses a cooperation of pressure box board and returning face plate has realized the advantage of automatic folding carton top cap and top cap both sides side ear, has reduced manpower resources's waste, has alleviateed staff's work load simultaneously.

furthermore, an auxiliary conveying frame is arranged between the main conveying frames on the two sides, a second conveying belt is arranged on the auxiliary conveying frame, a support bracket is connected below the auxiliary conveying frame, and the support bracket is connected to the supporting roller.

Through adopting above-mentioned technical scheme, vice carriage can support the middle part of having played the carton, cooperates jointly with main carriage, has reduced the carton and has produced the possibility of deformation in the transportation.

Furthermore, the inner side walls of the supporting frames on the two sides and the side walls of the supporting frame are respectively connected with a fixing plate, the fixing plate is opposite to the box pressing plate, an ejection frame is arranged above the fixing plate, a yielding cavity for the first conveying belt to pass through is formed in the ejection frame, the height of the yielding cavity is larger than that of the first conveying belt, an ejection cylinder is arranged below the fixing plate, and a telescopic rod of the ejection cylinder penetrates through the fixing plate and is fixedly connected to the ejection frame.

By adopting the technical scheme, when the paper box moves to the lower part of the top box plate, the ejection cylinder enables the ejection frame to ascend, and the ejection frame is matched with the box pressing plate together, so that the top cover is buckled. The ejecting frame is harder for first conveyer belt and second conveyer belt, and its surface can give the more steady supporting platform of carton, has improved the roughness of top cap lock on the carton.

Further, the inside wall of both sides support frame is connected with spacing cylinder respectively, the telescopic link fixedly connected with of spacing cylinder is spacing, spacing piece laminating is kept away from one side that first conveyer belt kept away from its feed end at ejection frame.

By adopting the technical scheme, when the paper box moves to the ejection frame, the limiting cylinder ejects the limiting sheet, the limiting sheet abuts against the paper box, and the situation that the paper box continues to move and exceeds the position of the ejection frame is avoided. At the moment, the ejection cylinder is started to lift the paper box.

furthermore, the support bracket is connected with the support roller in a sliding mode, a first screw rod is arranged close to the support roller, and the first screw rod penetrates through the support bracket and is in threaded connection with the support bracket.

Through adopting above-mentioned technical scheme, screw-thread fit between first lead screw and the bracket to make the position of vice carriage adjustable. The staff adjusts the position of vice carriage according to the position of carton for vice carriage supports the middle part at the carton, has played the effect of better support carton.

Furthermore, the support frame of one side slides and connects in the backing roll, and the support frame of opposite side rotates and connects in the backing roll, is close to the backing roll and is equipped with the second lead screw, the second lead screw passes and threaded connection in the support frame of sliding connection on the backing roll.

Through adopting above-mentioned technical scheme, second lead screw threaded connection is in the support frame to make the interval between the main carriage of both sides adjustable, the staff can adjust the interval between the main carriage according to the length of carton, thereby makes the utility model discloses have bigger application range.

Further, the both sides of the vertical direction of portal frame fixedly connected with guided way respectively, the carriage slides and connects in the guided way, the both sides of the vertical direction of portal frame rotate respectively and are connected with the lift lead screw, be equipped with threaded connection in the lifter plate of lift lead screw on the carriage, the top of lift lead screw is fixed the cover respectively and is equipped with synchronous sprocket, and the meshing has synchronous chain between the synchronous sprocket of both sides.

Through adopting above-mentioned technical scheme, the staff rotates the lift lead screw, threaded connection between lift lead screw and the lifter plate to impel the carriage to produce the motion of rising or falling. When transporting cartons of different heights, the worker can adjust the height of the supporting frame by rotating the lifting screw rod, so that the distance between the carton pressing plate and the first conveying belt and the distance between the carton pressing plate and the second conveying belt are adjustable.

Furthermore, the link is equipped with threely, and main carriage and vice carriage are aimed at in proper order to three link, transversely be equipped with third lead screw and fourth lead screw in the portal frame, third lead screw and fourth lead screw rotate to be connected in the portal frame, third lead screw threaded connection is in the link that vice carriage is just right, fourth lead screw threaded connection is in the link that the support frame of sliding connection on the backing roll is just right.

by adopting the technical scheme, the third screw rod and the fourth screw rod are in threaded fit with the connecting frames, and after the positions of the main conveying frame and the auxiliary conveying frame are adjusted, the connecting frames at corresponding positions are adjusted by rotating the third screw rod and the fourth screw rod, so that each connecting frame is right opposite to the corresponding main conveying frame and the corresponding auxiliary conveying frame. After the paper box is just right, when the top cover of the paper box is buckled, the top cover can be buckled on the paper box more smoothly.

To sum up, the utility model discloses following beneficial effect has: utilize first conveyer belt to transport the carton, simultaneously through the cooperation of pressing box board and returning face plate, realized the advantage of automatic folding carton top cap and top cap both sides side, reduced manpower resources's waste, alleviateed staff's workload simultaneously.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention;

FIG. 2 is a schematic structural diagram for embodying a drive shaft;

FIG. 3 is an enlarged view of portion A of FIG. 1;

Fig. 4 is an enlarged view for embodying the portion B in fig. 1.

In the figure, 1, a frame; 11. a support roller; 12. a support frame; 121. a second lead screw; 13. a drive shaft; 131. a driven sprocket; 132. a first drive sprocket; 14. a drive motor; 141. a drive sprocket; 142. a first force transmitting chain; 2. a main conveying frame; 21. a first conveyor belt; 22. a second drive sprocket; 23. a second force transmission chain; 3. a sub-carrier; 31. a second conveyor belt; 32. a holder; 33. a first lead screw; 4. a gantry; 41. a guide rail; 42. a lifting screw rod; 421. a synchronous sprocket; 422. a synchronization chain; 43. a third screw rod; 44. a fourth screw rod; 5. a support frame; 51. a lifting plate; 52. a connecting frame; 6. pressing down the air cylinder; 61. pressing a box plate; 7. a mounting frame; 71. a rod turning cylinder; 72. a turning rod; 721. a turnover plate; 73. pressing an edge plate; 8. a fixing plate; 81. ejecting the frame; 811. a yielding cavity; 82. ejecting out the cylinder; 9. a limiting cylinder; 91. a limiting sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a carton top cap turns over a transfer chain for floor packing, refers to fig. 1, includes frame 1, is equipped with two backing rolls 11 that are parallel to each other in the frame 1, and two backing rolls 11 are close to respectively in frame 1 two relative inside walls. Two parallel support frames 12 are arranged in the frame 1, the two support frames 12 are respectively arranged at two ends of the supporting roller 11, and the length direction of the support frames 12 is parallel to the length direction of the supporting roller 11.

Referring to fig. 2, a main conveying frame 2 is connected to a supporting frame 12, a first conveying belt 21 is arranged on the main conveying frame 2, a driving shaft 13 is rotatably connected to one side of the supporting frame, and a longitudinal section of the driving shaft 13 is in a regular hexagon shape. The driving motor 14 is arranged on the ground, the driving chain wheel 141 is fixedly sleeved on an output shaft of the driving motor 14, the driven chain wheel 131 is fixedly sleeved on the driving shaft 13, and a first power transmission chain 142 is connected between the driving chain wheel 141 and the driven chain wheel 131. A first transmission chain wheel 132 is arranged close to the driving chain wheel 141, the first transmission chain wheel 132 is in interference fit with the driving shaft 13, a second transmission chain wheel 22 for driving the first conveying belt 21 to move is arranged at one end, close to the driving shaft 13, of the main conveying frame 2, and a second force transmission chain 23 is connected between the first transmission chain wheel 132 and the second transmission chain wheel 22.

Referring to fig. 1, a sub-carrier 3 is disposed between the main carriers 2 at both sides, a second conveyor belt 31 is disposed on the sub-carrier 3, a bracket 32 is connected to the lower side of the sub-carrier 3, and the bracket 32 is slidably connected to the supporting roller 11. The auxiliary conveying frames 3 play a supporting role, when the paper boxes are erected above the main conveying frames 2 on the two sides, the auxiliary conveying frames 3 are located in the middle of the bottom surfaces of the paper boxes and matched with the main conveying frames 2 on the two sides to support the paper boxes together, and the possibility that the paper boxes deform is reduced.

Referring to fig. 1, a gantry 4 is spanned above a frame 1, and both sides of the gantry 4 are connected to the frame 1 by bolts. The portal frame 4 is provided with a support frame 5, and the support frame 5 is attached to one side surface surrounded by the long edge and the wide edge of the portal frame 4. Fixedly connected with guided way 41 on the side that portal frame 4 erects the long limit and the broadside encloses, guided way 41 sets up two, and two guided ways 41 fixed connection are in the both sides of portal frame 4 vertical direction. The support frame 5 is slidably connected to the guide rail 41. And lifting screw rods 42 are respectively and rotatably connected to two sides of the portal frame 4 in the vertical direction, and the lifting screw rods 42 are close to the guide rails 41. The supporting frame 5 is provided with a lifting plate 51 which is in threaded connection with the lifting screw rod 42, the top of the lifting screw rod 42 is respectively and fixedly sleeved with a synchronous chain wheel 421, and a synchronous chain 422 is meshed between the synchronous chain wheels 421 at the two sides.

referring to fig. 1, the height adjustment of the support frame 5 is achieved by the threaded fit between the elevation screw 42 and the elevation plate 51. During the adjustment process, the worker rotates the lifting screw rod 42 on one side, and due to the cooperation between the synchronous chain 422 and the synchronous chain wheel 421, the lifting screw rods 42 on the two sides rotate simultaneously, and during the rotation process, the cooperation between the lifting screw rod 42 and the lifting plate 51 prompts the supporting frame 5 to move up or down.

Referring to fig. 1, a plurality of connection frames 52 are vertically provided on the support frame 5, and the plurality of connection frames 52 are sequentially arranged along the length direction of the support frame 5. In this embodiment, three link frames 52 are provided, and the three link frames 52 are aligned with the main carriage 2 and the sub carriage 3 in this order. The connecting frame 52 is vertically provided with a downward-pressing cylinder 6, a telescopic rod of the downward-pressing cylinder 6 extends downwards and is fixedly connected with a box pressing plate 61, and the box pressing plate 61 is upwards lifted towards one side of the feeding end of the first conveying belt 21, so that the paper boxes are conveniently fed. In operation, the cartons are moved by the first conveyor belt 21, and when the cartons are moved below the carton pressing plate 61, the carton pressing cylinder 6 moves down the carton pressing plate 61. The upper side of the cartridge pressing plate 61 is guided by the cartridge pressing plate 61 and is engaged with the paper cartridge.

Referring to fig. 1 and 3, two sides of the frame 1 perpendicular to the supporting rollers 11 are respectively connected with a mounting rack 7 through bolts, and a rod overturning cylinder 71 is vertically arranged in the mounting rack 7. The top of the mounting frame 7 is rotatably connected with a turning rod 72, and the turning rod 72 is horizontally arranged. The turning bar 72 is fixedly connected with a turning plate 721, and the telescopic rod of the turning bar cylinder 71 is upward and hinged to the turning plate 721. The turning bar 72 is connected with a blank holder 73, and one side of the blank holder 73 far away from the turning bar 72 is close to the main carriage 2. After the top cover of the paper box is buckled on the paper box by the box pressing plate 61, the turning rod cylinder 71 is started, the turning rod cylinder 71 drives the turning rod 72 to rotate, and the turning rod 72 drives the edge pressing plate 73 to turn in the rotating process. The edge pressing plates 73 press both side edges in the length direction of the top cover in the process of turning down, so that the both side edges are attached to both sides in the length direction of the paper box.

Referring to fig. 1, the bracket 32 is slidably coupled to the support roller 11, and a first lead screw 33 is provided adjacent to the support roller 11, and the first lead screw 33 passes through and is threadedly coupled to the bracket 32. The first screw rods 33 on the two sides realize the effect of synchronous rotation through chain wheel transmission. The worker can adjust the position of the sub-carrier 3 according to the length of the paper cassette so that the second conveyor belt 31 is supported at the middle of the paper cassette. During adjustment, the first screw rod 33 on one side is rotated, and the first screw rod 33 is in threaded fit with the bracket 32, so that the effect of adjusting the position is achieved.

Referring to fig. 1, the support frame 12 on one side is slidably connected to the support roller 11, the support frame 12 on the other side is rotatably connected to the support roller 11, a second lead screw 121 is disposed near the support roller 11, and the second lead screw 121 penetrates through and is in threaded connection with the support frame 12 slidably connected to the support roller 11. The second screw rods 121 on the two sides are driven by a chain wheel to synchronously rotate. The staff can adjust the interval of both sides main carriage 2 according to the length of carton for the carton can stably support on the main carriage 2 of both sides. During adjustment, the second screw rod 121 on one side is rotated, and the second screw rod 121 is in threaded fit with the support frames 12, so that the support frames 12 on the two sides move close to or away from each other.

Referring to fig. 1, a third lead screw 43 and a fourth lead screw 44 are transversely arranged in the portal frame 4, and the third lead screw 43 and the fourth lead screw 44 are rotatably connected to the portal frame 4. The third screw rod 43 is in threaded connection with the connecting frame 52 opposite to the auxiliary conveying frame 3, and the fourth screw rod 44 is in threaded connection with the connecting frame 52 opposite to the support frame 12 connected on the support roller 11 in a sliding manner. After the position adjustment of the main conveying frame 2 and the auxiliary conveying frame 3 is completed, the third screw rod 43 and the fourth screw rod 44 are rotated, the third screw rod 43 and the fourth screw rod 44 drive the connecting frame 52 in threaded fit with the third screw rod to move, and therefore the three connecting frames 52 respectively correspond to the corresponding main conveying frame 2 and the corresponding auxiliary conveying frame 3.

Referring to fig. 1 and 4, the fixing plates 8 are respectively connected to the inner sidewalls of the supporting frames 12 at both sides and the sidewalls of the holder 32, and the fixing plates 8 face the cartridge pressing plate 61. An ejection frame 81 is arranged above the fixed plate 8, an abdicating cavity 811 for the first conveyer belt 21 to pass through is formed on the ejection frame 81, and the height of the abdicating cavity 811 is greater than that of the first conveyer belt 21. The lower part of the fixed plate 8 is connected with an ejection cylinder 82 through a bolt, and an expansion link of the ejection cylinder 82 penetrates through the fixed plate 8 and is fixedly connected with an ejection frame 81.

referring to fig. 1 and 4, the inner side walls of the supporting frames 12 on the two sides are respectively connected with a limiting cylinder 9, the telescopic rod of the limiting cylinder 9 is fixedly connected with a limiting sheet 91 (refer to fig. 3), and the limiting sheet 91 is attached to one side of the ejection frame 81, which is far away from the first conveying belt 21 and is far away from the feeding end of the first conveying belt. When the paper box is conveyed, when the paper box runs to the position below the box pressing plate 61, the ejection frame 81 is ejected out by the ejection cylinder 82, the paper box is ejected out by the ejection frame 81, a firmer and more stable supporting platform is provided for the paper box, the box pressing plate 61 is pressed downwards, the top cover of the paper box is pressed downwards by the box pressing plate 61, and therefore the top cover can be buckled on the paper box more smoothly.

The specific implementation process comprises the following steps:

1. The length of the paper box is measured, and the positions of the main conveying frame 2 and the auxiliary conveying frame 3 are adjusted through the adjustment of the first screw rod 33 and the second screw rod 121, so that the main conveying frame 2 and the auxiliary conveying frame 3 can stably support the paper box. At the same time, the position of the corresponding cassette pressing plate 61 is adjusted by the third screw 43 and the fourth screw 44, so that the cassette pressing plates 61 below the three connecting frames 52 are respectively opposite to the corresponding main conveying frame 2 and the corresponding auxiliary conveying frame 3;

2. the paper boxes are placed on the main conveying frame 2 and the auxiliary conveying frame 3 in a crossing mode, and before the paper boxes are placed, glue is needed to be coated on two sides of the length direction of the paper boxes, so that the paper boxes can be conveniently bonded in the later period. After the paper box is placed, the driving motor 14 is started, the driving motor 14 drives the first conveying belt 21 to move, the paper box moves along with the first conveying belt 21, when the paper box moves to the position of the limiting piece 91, the paper box stops above the ejection frame 81, and at the moment, the ejection cylinder 82 and the downward pressing cylinder 6 are started, so that the top cover of the paper box is buckled on the paper box;

3. In the process of the carton being ejected and lifted by the ejection frame 81, the turnover cylinder is started, and the two side surfaces of the top cover in the length direction move downwards under the pressing of the turnover plate 721, so that the two side surfaces are attached to the two sides of the carton in the length direction.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a carton top cap turns over a transfer chain for floor packing which characterized in that: the automatic conveying device comprises a rack (1), two opposite inner sides of the rack (1) are fixedly connected with supporting rolls (11) respectively, two parallel supporting frames (12) are arranged in the rack (1), the two supporting frames (12) are connected to two ends of the supporting rolls (11) respectively, a main conveying frame (2) is connected onto the supporting frames (12), a first conveying belt (21) is arranged on the main conveying frame (2), one side of the rack (1) is rotatably connected with a driving shaft (13), a driving motor (14) for driving the driving shaft (13) to rotate is arranged on the ground, and the driving shaft (13) is linked with the first conveying belt (21);

A portal frame (4) is arranged across the rack (1), a supporting frame (5) is arranged on the portal frame (4), a plurality of connecting frames (52) are vertically arranged on the supporting frame (5), the connecting frames (52) are sequentially arranged along the length direction of the supporting frame (5), a pressing cylinder (6) is vertically arranged on the connecting frame (52), and a telescopic rod of the pressing cylinder (6) is downwards and fixedly connected with a box pressing plate (61);

Frame (1) perpendicular to backing roll (11) both sides are connected with mounting bracket (7) respectively, the vertical pole cylinder (71) that turns over that is equipped with in mounting bracket (7), the top of mounting bracket (7) is rotated and is connected with trip bar (72), fixedly connected with returning face plate (721) on returning face plate (72), the telescopic link of pole cylinder (71) upwards articulates in returning face plate (721), be connected on returning face plate (72) and have board of borduring (73), the one side that board of borduring (73) kept away from returning face plate (72) is close to in main carriage (2).

2. A carton and top cover turnover conveyor line for floor packaging as claimed in claim 1 wherein: an auxiliary conveying frame (3) is arranged between the main conveying frames (2) on the two sides, a second conveying belt (31) is arranged on the auxiliary conveying frame (3), a support bracket (32) is connected to the lower portion of the auxiliary conveying frame (3), and the support bracket (32) is connected to the supporting roller (11).

3. A carton and top cover turnover conveyor line for floor packaging as claimed in claim 2 wherein: the inside wall of both sides support frame (12) and the lateral wall of support bracket (32) are connected with fixed plate (8) respectively, fixed plate (8) just to pressing box board (61), the top of fixed plate (8) is equipped with ejecting frame (81), ejecting frame (81) are opened and are had the chamber of stepping down (811) that supplies first conveyer belt (21) to pass, the height that highly is greater than first conveyer belt (21) of chamber of stepping down (811), the below of fixed plate (8) is equipped with ejecting cylinder (82), the telescopic link of ejecting cylinder (82) passes fixed plate (8) and fixed connection in ejecting frame (81).

4. a carton and top cover turnover conveyor line for floor packaging as claimed in claim 3 wherein: the inside wall of both sides support frame (12) is connected with spacing cylinder (9) respectively, the telescopic link fixedly connected with of spacing cylinder (9) is spacing piece (91), one side that its feed end was kept away from in first conveyer belt (21) is kept away from in ejecting frame (81) laminating of spacing piece (91).

5. A carton and top cover turnover conveyor line for floor packaging as claimed in claim 2 wherein: the support bracket (32) is connected to the supporting roller (11) in a sliding mode, a first screw rod (33) is arranged close to the supporting roller (11), and the first screw rod (33) penetrates through and is in threaded connection with the support bracket (32).

6. A carton and top cover turnover conveyor line for floor packaging as claimed in claim 1 wherein: the support frame (12) of one side slide and connect in backing roll (11), and the support frame (12) of opposite side rotate to be connected in backing roll (11), is close to backing roll (11) and is equipped with second lead screw (121), second lead screw (121) pass and threaded connection support frame (12) on backing roll (11) of sliding connection.

7. A carton and top cover turnover conveyor line for floor packaging as claimed in claim 1 wherein: the both sides of portal frame (4) vertical direction are fixedly connected with guided way (41) respectively, carriage (5) slide and connect in guided way (41), the both sides of portal frame (4) vertical direction are rotated respectively and are connected with lift lead screw (42), be equipped with elevating plate (51) of threaded connection in lift lead screw (42) on carriage (5), the top of lift lead screw (42) is fixed the cover respectively and is equipped with synchronous sprocket (421), and the meshing has synchronous chain (422) between synchronous sprocket (421) of both sides.

8. a carton and top cover turnover conveyor line for floor packaging as claimed in claim 1 wherein: the connecting frame (52) is three, and main carriage (2) and vice carriage (3) are aimed at in proper order in three connecting frame (52), transversely be equipped with third lead screw (43) and fourth lead screw (44) in portal frame (4), third lead screw (43) and fourth lead screw (44) rotate to be connected in portal frame (4), third lead screw (43) threaded connection is in vice carriage (3) just right connecting frame (52), fourth lead screw (44) threaded connection is in sliding the just right connecting frame (52) of support frame (12) of connecting on backing roll (11).