CN108891075A - Carton folding machine convenient for blanking - Google Patents

Abstract

The invention relates to the field of processing equipment of paper boxes, in particular to a paper box shape folding machine convenient for blanking, which comprises a frame and a power distribution control box, wherein a folding mechanism is arranged on the frame and comprises a folding seat arranged on the frame, a folding device and a pressing device which are matched with each other are arranged on the folding seat, the folding device comprises a folding lifting plate which is arranged in the middle of the folding seat and matched with the pressing device, a folding lifting cylinder is connected below the folding lifting plate, a front plate folding block matched with the front side of the folding lifting plate, a side plate folding block matched with the left and right sides of the folding lifting plate and a rear plate folding block matched with the rear side of the folding lifting plate are arranged on the folding seat, the front plate folding block is connected with the front plate folding cylinder, the side plate folding block is connected with a side plate folding cylinder, the rear plate folding block is connected with a rear plate folding cylinder, the invention can complete the folding of the front, rear, left and right side plates at one time, greatly improves the folding efficiency and reduces the incidence rate of defective products.

Description

A Carton Folding Machine Convenient for Unloading

Original application number: 2016110311383

Date of original filing: November 22, 2016

Applicant of the original case: Dongguan Institute of Technology

Title of the original application: an automatic folding forming machine for cartons.

technical field

The invention relates to the field of carton processing equipment, in particular to a carton folding machine for convenient blanking.

Background technique

Cartons are commonly used items in daily life. Cartons are used in the packaging of many products. Some simple cartons are folded from a piece of cardboard as shown in Figure 8, including a bottom plate 54, a front plate 55, and a rear plate 56. , side panel 57 and upper cover panel 58, generally first make the cardboard form interrelated modules through a specific mold, and then obtain the carton by folding.

Most of the existing folding models are manually operated, which consumes a lot of manpower. At the same time, the accuracy of the folding is not high, and defective products are prone to appear. In order to reduce the manpower, a folding equipment has appeared. The existing Most of the folding equipment is step-by-step folding, which also consumes a lot of folding man-hours, the folding efficiency is not high, and the incidence of defective products is also not low.

Contents of the invention

The purpose of the present invention is to provide a carton folding machine for convenient blanking, which is equipped with a folding lifting plate that cooperates with the bottom plate, and is equipped with a pressing device. The folding block, the rear panel folding block and the side panel folding block can complete the folding of the front, rear, left, and right side panels at one time, which greatly improves the folding efficiency and reduces the incidence of defective products.

In order to achieve the above objectives, the technical solution adopted by the present invention is: a carton folding machine for convenient blanking, which includes a frame (1) and a power distribution control box (2). A folding mechanism (6) is provided, and the folding mechanism (6) includes a folding seat (21) arranged on the frame (1), and the folding seat (21) is provided with mutually cooperating A folding device (22) and a pressing device (23), the folding device (22) includes a folding lifting plate (29) arranged in the middle of the folding seat (21) and cooperating with the pressing device (23) , the folded lift plate (29) is connected with a folded lift cylinder (30), and the folded seat (21) is provided with a front plate folding block ( 32), the side plate folded block (49) matched with the left and right sides of the folded lifting plate (29) and the rear plate folded block (34) matched with the rear side of the folded lift plate (29), the front plate The folded block (32) is connected with the front plate folded cylinder (31), the side plate folded block (32) is connected with the side plate folded cylinder (44), and the rear plate folded block (34) It is connected with the back plate folding type cylinder (33), the described pressing device (23), the folding type lifting cylinder (30), the front plate folding type cylinder (31), the side plate folding type cylinder (44) and the rear plate folding type The cylinder (33) is connected to the power distribution control box (2).

Further, the folding seat (21) is provided with a chamfering block folding block (40) at the front side of the folding lifting plate (29) and the left and right sides, and the chamfering block folding block ( 40) A chamfering block folding cylinder (39) is connected, and the chamfering block folding type cylinder (39) is connected to the power distribution control box (2).

Further, the folding seat (21) is located on the upper front side of the folding lifting plate (29) and is equipped with a front cover pressing shaft, and a front cover (61) is sleeved on the front pressing shaft. The profiling front cover profiling turning block (43), and the end of the profiling rotating shaft on the front side is fitted with a profiling rack (42) on the front side through a gear, the profiling rack on the front side and the folding seat ( 21) The front cover pressing rod cylinder (41) is set on the top, and the front cover pressing rod cylinder (41) is connected to the power distribution control box (2).

Further, the side panel folding type cylinder (44) is connected with a side panel folding type movable seat (45), and the side panel folding type movable seat (45) is provided with a side panel folding type fine-tuning cylinder (46) , the side plate folding fine-tuning cylinder (46) is connected with a side plate folding fine-tuning block (47), and the side plate folding type fine-tuning block (47) is connected with a side plate folding lifting cylinder (48), so The side panel folding block (49) is connected to the side panel folding lifting cylinder (48), and the side panel folding block (49) passes through the folding seat (21), and the side panel folding fine-tuning cylinder (46) and the side plate folding type lifting cylinder (48) are connected to the power distribution control box (2).

Further, the press-down device (23) includes a press-down seat (51) arranged on the folding seat (21), and the press-down seat (51) is provided with a press-down cylinder (52), so The lower pressure block (53) that matches the size and position of the folding lifting plate (29) is connected below the lower pressure cylinder (52), and the lower pressure cylinder (52) is connected to the power distribution control box (2) .

Further, the rear side of the rear panel folding block (34) is provided with an upper cover docking seat (36) that cooperates with the upper cover (58), and the lower part of the upper cover docking seat (36) is provided with The upper cover suction cup (50), the upper cover side plate folding block (38) is arranged on the left and right sides of the upper cover docking seat (36), and the upper cover side plate folding block (38) is connected with the upper cover The side plate folding type cylinder (37), the upper cover suction cup (50) and the upper cover side plate folding type cylinder (37) are connected to the power distribution control box (2).

Further, the frame (1) is provided with a blanking device (7) that cooperates with the upper cover (58) on the upper cover docking seat (36), and the blanking device (7) includes a The blanking movable cylinder (26) on the frame (1), the blanking movable cylinder (26) is connected with the blanking movable seat (27), and the described blanking movable seat (27) is provided with a The upper cover plate (58) on the upper cover docking seat (36) cooperates with the blanking suction cup (28), and the blanking movable cylinder (26) and the blanking suction cup (28) are connected to the power distribution control box (2) .

Further, the frame (1) is provided with a feeding guide block (18) matched with the cardboard, and the other end of the feeding guide block (18) is connected with the conveying cylinder ( 24) Cooperate, the conveying cylinder (24) is connected to the conveying motor (25), and the conveying cylinder (24) cooperates with the folding lifting block (29), and the folding The matching parts of the lifting block (29) are provided with arc-shaped chamfers, and the rear plate folding block (34) is provided with a rear plate adjustment cylinder (35) that cooperates with both sides of the rear plate (57). (25) and the rear plate adjustment cylinder (35) are connected to the power distribution control box (2).

Further, the frame (1) on the front side of the feeding guide block (18) is provided with a paper rack (3) that cooperates with the cardboard (4) and is inclined upwards. The paper rack (3) ) Cooperate with the feeding guide block (18) through the retrieving device (5), and the retrieving device (5) includes a retrieving frame (11) arranged on the frame (1) and a The reclaiming turret (13) on the top, the reclaiming turret (11) is provided with a reclaiming rotating cylinder (12) connected with the reclaiming turret (13), and the reclaiming turret (13) There are reclaiming and feeding cylinders (14) and reclaiming and feeding blocks (15) that cooperate with each other, and reclaiming and feeding slide rails set on the reclaiming and feeding seat (15) and reclaiming turret (13) (17) Cooperate, the feeding seat (15) is provided with a suction cup (16) that cooperates with the cardboard (4) placed on the paper rack (3), and the reclaiming rotary cylinder ( 12). The reclaiming and feeding cylinder (14) and the reclaiming suction cup (16) are connected to the power distribution control box (2).

Further, the frame (1) is provided with a pressing rotating motor (19), and the pressing rotating motor (19) is provided with a cardboard (4) on the feeding guide (18). The pressing turning block (20), the pressing turning motor (19) is connected to the power distribution control box (2).

The beneficial effects of the present invention are:

1. There is a folded lifting plate that cooperates with the bottom plate, and it is equipped with a downward pressure device. At the same time, the front plate folding block, the rear plate folding block and the side plate folding block are respectively set on the front, rear, left and right sides of the folding lifting plate. The folding of the front, rear, left and right side panels can be completed at one time, which greatly improves the folding efficiency and reduces the incidence of defective products.

2. The design of the chamfering block and the folding block can adapt to the folding type of the carton with chamfering blocks on the front side and the left and right sides, which improves the adaptable range of the folding type.

3. The design of the front cover pressing shaft and the front cover pressing turning block can adapt to the carton pressing with a section of front cover on the front plate, further improving the adaptable range of carton folding.

4. The structure design of the side panel folding part is simple and easy to operate. It can precisely adjust the position of the side panel folding block, and at the same time adjust the relative height of the side panel folding block and the folding lifting plate, and then can adapt to different side panels. The folding type of the height product.

5. The structure of the pressing device is simple and easy to operate, and it can produce good and accurate folding effect with the folding device.

6. The design of the upper cover docking seat and the upper cover suction cup can accurately position the upper cover and further improve the folding accuracy. At the same time, the folding shape of the upper cover side plate can be completed through the upper cover side plate folding block.

7. The design of the unloading device can absorb the upper cover plate and cooperate with the lifting of the folding lifting plate to pull out the folded carton, which greatly improves the efficiency of unloading.

8. The design of the conveying motor and the conveying cylinder can realize continuous conveying and feeding, and improve the efficiency of folding. At the same time, the design of the curved chamfer of the folding block of the rear plate can facilitate the docking of the upper cover and the docking seat of the upper cover. The plate adjustment cylinder can adjust the folding angle of the rear plate and eliminate the influence of the arc chamfer.

9. The structure of the reclaiming device is simple and cleverly designed. When retrieving the material, the carton can be turned over 180 degrees, so that the upper cover plate can be turned over and enter the feeding guide block, thereby greatly improving the efficiency of feeding, and can realize Continuous feeding, and at the same time, it can also take out the piles of cardboard piles in an orderly manner from bottom to top.

10. The design of the pressing rotating motor and the pressing block can well press the cardboard on the feeding guide block to prevent it from folding and further improve the folding effect.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a carton folding machine for convenient blanking.

Fig. 2 is a three-dimensional schematic view of the reclaiming device.

FIG. 3 is a schematic perspective view of A in FIG. 1 .

Fig. 4 is a three-dimensional schematic diagram of cooperation between the folding mechanism and the unloading device.

Fig. 5 is a schematic perspective view of the folding device.

Fig. 6 is a bottom perspective schematic view of the folding device.

Fig. 7 is a schematic perspective view of the pressing device.

Fig. 8 is a three-dimensional schematic diagram of a carton product.

The characters shown in the figure are marked as: 1. Rack; 2. Power distribution control box; 3. Paper rack; 4. Cardboard; 5. Retrieving device; 6. Folding mechanism; 7. Unloading device; 11 1. Feed rack; 12. Feed rotary cylinder; 13. Feed turret; 14. Feed cylinder; 15. Feed block; 16. Suction cup; 17. Feed slide rail; 18. Feeding guide block; 19. Pressing material rotation motor; 20. Pressing material turning block; 21. Folding seat; 22. Folding device; 23. Pressing down device; 24. Conveying cylinder; 25. Conveying motor; 26. Blanking movable cylinder; 27, blanking movable seat; 28, blanking sucker; 29, folding lifting plate; 30, folding lifting cylinder; 31, front plate folding cylinder; 32, front plate folding block; 33, Rear plate folding cylinder; 34, rear plate folding block; 35, rear plate adjustment cylinder; 36, upper cover docking seat; 37, upper cover side plate folding type cylinder; 38, upper cover side plate folding block; 39, Chamfering block folding type cylinder; 40, chamfering block folding type block; 41, front cover pressing rod cylinder; 42, front cover pressing rack; 43, front cover pressing turning block; 44, side plate folding type Cylinder; 45, side plate folding type movable seat; 46, side plate folding type fine-tuning cylinder; 47, side plate folding type fine-tuning block; 48, side plate folding type lifting cylinder; 49, side plate folding type block; 50, upper cover Suction cup; 51, lower pressure seat; 52, lower pressure cylinder; 53, lower pressure block; 54, bottom plate; 55, side plate; 56, front plate; 57, rear plate; 58, upper cover plate; 59, upper cover side plate; 60, chamfering block; 61, front cover.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. .

As shown in Figures 1-8, the specific structure of the present invention is: a carton folding machine for convenient blanking, which includes a frame 1 and a power distribution control box 2, and the frame 1 is provided with folding The folding mechanism 6, the folding mechanism 6 includes a folding seat 21 arranged on the frame 1, the folding seat 21 is provided with a folding device 22 and a pressing device 23 that cooperate with each other, the described The folding device 22 includes a folding lifting plate 29 arranged in the middle of the folding seat 21 and cooperating with the pressing device 23. A folding lifting cylinder 30 is connected to the bottom of the folding lifting plate 29, and a folding lifting cylinder 30 is arranged on the folding seat 21. There is a front plate folded block 32 that cooperates with the folded lifting plate 29 front side, a side plate folded block 49 that cooperates with the left and right sides of the folded lift plate 29, and a rear plate folded block that cooperates with the folded lift plate 29 rear side 34. The front folding block 32 is connected with a front folding cylinder 31, the side folding block 32 is connected with a side folding cylinder 44, and the rear folding block 34 is connected with a rear Plate folded cylinder 33, described down-pressing device 23, folded lifting cylinder 30, front plate folded cylinder 31, side plate folded cylinder 44 and rear plate folded cylinder 33 are connected to power distribution control box 2.

Preferably, the folding seat 21 is located at the front side of the folding lifting plate 29 and the left and right sides are matched with a chamfering block folding block 40, and the chamfering block folding block 40 is connected with a chamfering block folding block. Type cylinder 39, described chamfering block folding type cylinder 39 is connected to power distribution control box 2.

Preferably, the folding seat 21 is located on the upper front side of the folding lifting plate 29 and is equipped with a front cover pressing shaft, and a front cover pressing shaft for the front cover 61 is sleeved on the front side pressing shaft. Type turn block 43, and the end of front side pressure type rotating shaft is matched with front side pressure type rack 42 by gear, and the front cover pressure type bracing bar cylinder that is set on described front side pressure type rack and folding type seat 21 41. The front cover pressing rod cylinder 41 is connected to the power distribution control box 2.

Preferably, the side panel folding type cylinder 44 is connected with a side panel folding type movable seat 45, and the side panel folding type movable seat 45 is provided with a side panel folding type fine-tuning cylinder 46, and the side panel folding type Fine-tuning cylinder 46 is connected with side plate folding type fine-tuning block 47, and described side plate folding type fine-tuning block 47 is connected with side plate folding type lifting cylinder 48, and described side plate folding type block 49 is connected on the side plate folding type lifting cylinder. 48, and the side plate folding block 49 passes through the folding seat 21, and the side plate folding fine-tuning cylinder 46 and the side plate folding lifting cylinder 48 are connected to the power distribution control box 2.

Preferably, the press-down device 23 includes a press-down seat 51 arranged on the folding seat 21, the press-down seat 51 is provided with a press-down cylinder 52, and the press-down cylinder 52 is connected with a The size and position of the folding lifting plate 29 are matched with the pressing block 53 , and the pressing cylinder 52 is connected to the power distribution control box 2 .

Preferably, the rear side of the rear panel folding block 34 is provided with an upper cover docking seat 36 that cooperates with the upper cover plate 58, and an upper cover suction cup 50 is provided below the upper cover docking seat 36. The left and right sides of the loam cake docking seat 36 are provided with a loam cake side plate folding block 38, and the loam cake side plate folding block 38 is connected with a loam cake side plate folding cylinder 37, and the loam cake sucker 50 and the loam cake Cover side plate folding type cylinder 37 is connected to power distribution control box 2.

Preferably, the frame 1 is provided with a blanking device 7 that cooperates with the upper cover plate 58 on the upper cover docking seat 36, and the blanking device 7 includes a movable cylinder for blanking that is arranged on the frame 1 26. The blanking movable cylinder 26 is connected with a blanking movable seat 27, and the blanking movable seat 27 is provided with a blanking sucker 28 that cooperates with the upper cover plate 58 on the upper cover docking seat 36. The blanking movable cylinder 26 and the blanking sucker 28 are connected to the power distribution control box 2.

Preferably, the frame 1 is provided with a feeding guide block 18 matched with the cardboard, and the other end of the feeding guide block 18 cooperates with the conveying cylinder 24 provided on the folding seat 21, and the conveying cylinder 24 Connected to the conveying motor 25, and the conveying cylinder 24 cooperates with the folded lifting block 29, and the position where the rear plate folded block 34 and the folded lift block 29 cooperate is provided with an arc chamfer, and the rear plate folded block 34 The rear panel adjustment cylinder 35 is arranged on both sides of the rear panel 57 , and the conveying motor 25 and the rear panel adjustment cylinder 35 are connected to the power distribution control box 2 .

Preferably, the frame 1 on the front side of the feeding guide block 18 is provided with a paper rack 3 that cooperates with the cardboard 4 and is inclined upward. 18, the reclaimer 5 includes a reclaimer 11 arranged on the frame 1 and a reclaimer 13 hinged on the frame 1, the reclaimer 11 is provided with a rotating The reclaiming rotary cylinder 12 that frame 13 is connected, described reclaiming turret 13 is provided with retrieving and feeding cylinder 14 and feeding block 15 that cooperate with each other, and reclaiming and feeding seat 15 and reclaiming turret The feeding slide rail 17 that is set on 13 cooperates, and the described feeding seat 15 is provided with the feeding sucker 16 that cooperates with the cardboard 4 placed on the paper rack 3, and the described feeding rotating cylinder 12 , The feeding cylinder 14 and the suction cup 16 are connected to the power distribution control box 2.

Preferably, the frame 1 is provided with a pressing rotating motor 19, and the pressing rotating motor 19 is provided with a pressing turning block 20 that cooperates with the cardboard 4 on the feeding guide block 18. The material rotating motor 19 is connected to the power distribution control box 2.

During specific use, the cardboards 4 formed into interrelated modules are placed in piles on the discharge rack 3, and the upper cover module is located on the lower side, and then the reclaiming rotating cylinder 12 is controlled by the power distribution control box 2 to drive the reclaiming The turret 13 rotates, and at the same time, the intake cylinder 14 drives the intake seat 15 to move, so that the intake suction cup 16 cooperates with the top of the cardboard, and then the intake cylinder 14 continues to feed a certain distance, and then Slowly return the reclaiming rotary cylinder 12 to its original position, and at the same time slowly return the reclaiming and feeding cylinder 14 to its original position, then pull out the cardboard 4 on the bottom layer and turn it over 180 degrees so that the upper cover module first falls on the On the feeding guide block 18, and then continue to feed through the feeding cylinder 14 to drive the cardboard 4 to move backward, and at the same time, the pressing rotating motor 19 drives the pressing rotating block 20 to cover the cardboard 4 to limit it. When the cardboard 4 When entering the conveying cylinder 24, the conveying cylinder 24 is driven to run by the conveying motor 25, and then the cardboard 4 is driven to be fed. At the same time, the suction cup 16 is loosened. The upper parts of the folding block 32 and the rear plate folding block 34 are flush. During the feeding process of the cardboard 4, the upper cover module of the device will enter into the upper cover docking seat 36. When it is completely separated from the delivery cylinder 24, it will pass through the upper cover. The suction cup 50 sucks the cardboard. At this time, the bottom plate 54 is fully matched with the folding lifting plate 29, and the folding lifting plate is lowered to a suitable height through the folding lifting cylinder 30. Afterwards, the position of each folding block is adjusted, and then the The lower pressure cylinder 52 drives the lower pressure block 53 to press the bottom plate 54 of the cardboard 4 downward, and then completes the folding of the front, rear, left, and right side plates, and then drives the chamfering block folding block 40 to chamfer through the chamfering block folding type cylinder 39 The block 60 part is folded, and the upper cover side plate folding block 38 is driven by the upper cover side plate folding cylinder 37 to fold the upper cover side plate 59, and the folding angle of the back plate 47 is adjusted by the rear plate adjustment cylinder 35 , then drive the front cover pressing turn block 43 to rotate through the front cover pressing rod cylinder 41, complete the pressing of the front cover 61 on the front plate 55, and then complete the pressing of the whole carton, then pass the folding lifting cylinder 30 Make the folding lifting plate 29 return to its original position, and then drive the blanking suction cup 28 to move through the blanking movable cylinder 26, and then make the blanking suction cup 28 suck the upper cover plate 58, and at the same time loosen the upper cover suction cup 50, and then pass the blanking activity Cylinder 26 drags away carton, completes blanking.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In this paper, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above examples is only used to help understand the method of the present invention and its core idea. The above is only a preferred implementation of the present invention. It should be pointed out that , due to the limitation of written expression, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principle of the present invention, some improvements, modifications or changes can also be made. The above-mentioned technical features can be combined in an appropriate manner; these improvements, changes or combinations, or direct application of the inventive idea and technical solution to other occasions without improvement should be regarded as the protection scope of the present invention.

Claims (7)

1. A carton folding machine for convenient blanking, which includes a frame (1) and a power distribution control box (2), characterized in that the frame (1) is provided with a folding mechanism (6 ), the folding mechanism (6) includes a folding seat (21) arranged on the frame (1), and the folding seat (21) is provided with a folding device (22) and The pressing device (23), the folding device (22) includes a folding lifting plate (29) arranged in the middle of the folding seat (21) and matched with the pressing device (23), the folding lifting plate (29) A folding lift cylinder (30) is connected to the bottom of the plate (29), and a front plate folding block (32) cooperating with the front side of the folding lifting plate (29) is arranged on the folding seat (21), and a folding lifting cylinder (32) is arranged on the folding seat (21). The side plate folding block (49) matched with the left and right sides of the plate (29) and the rear plate folding block (34) matched with the rear side of the folding lifting plate (29), the front plate folding block (32) is connected There is a front panel folding cylinder (31), the side panel folding block (32) is connected with a side panel folding cylinder (44), and the rear panel folding block (34) is connected with a rear panel folding cylinder (33), the rear side of the rear panel folding block (34) is provided with an upper cover docking seat (36) that cooperates with the upper cover (58), and the lower part of the upper cover docking seat (36) is provided There is a suction cup (50) for the upper cover, and the left and right sides of the docking seat (36) of the upper cover are provided with upper cover side plate folding blocks (38), and the upper cover side plate folding blocks (38) are connected with upper Cover side plate folding type cylinder (37), the frame (1) is provided with a blanking device (7) that cooperates with the upper cover plate (58) on the upper cover docking seat (36), and the lower The material device (7) includes a material blanking movable cylinder (26) arranged on the frame (1), and the material blanking movable cylinder (26) is connected with a material blanking movable seat (27), and the material blanking movable seat (27) is provided with a blanking suction cup (28) that cooperates with the upper cover plate (58) on the upper cover docking seat (36), the above-mentioned lower pressure device (23), folding lifting cylinder (30), front Plate folding type cylinder (31), side plate folding type cylinder (44), rear plate folding type cylinder (33), upper cover suction cup (50) and upper cover side plate folding type cylinder (37), unloading movable cylinder (26 ) and the blanking suction cup (28) are connected to the power distribution control box (2). 2. A carton folding machine for convenient unloading according to claim 1, characterized in that, the folding seat (21) is located at the front side of the folding lifting plate (29) and the left and right sides cooperate A chamfering block folding block (40) is provided, and the chamfering block folding block (40) is connected with a chamfering block folding type cylinder (39), and the chamfering block folding type cylinder (39) is connected to Power distribution control box (2). 3. A carton folding machine for convenient blanking according to claim 1, characterized in that, the folding seat (21) is located on the upper front side of the folding lifting plate (29) and is equipped with a front cover Pressing shaft, the front pressing shaft is sleeved with a front cover pressing block (43) for pressing the front cover (61), and the end of the front pressing shaft is fitted with a front side through a gear. The profiling rack (42), the front cover profiling rod cylinder (41) set on the front side profiling rack and the folding seat (21), the front cover profiling rod cylinder (41 ) to the power distribution control box (2). 4. A carton folding machine for convenient blanking according to claim 1, characterized in that, the pressing device (23) includes a pressing seat (51) arranged on the folding seat (21) ), the lower pressure seat (51) is provided with a lower pressure cylinder (52), and the lower pressure cylinder (52) is connected with a lower pressure block that matches the size and position of the folding lifting plate (29) (53), the press-down cylinder (52) is connected to the power distribution control box (2). 5. A carton folding machine for convenient blanking according to claim 1, characterized in that, the frame (1) is provided with a feeding guide block (18) matched with the cardboard, and the The other end of the feeding guide block (18) cooperates with the conveying cylinder (24) provided on the folding seat (21), the conveying cylinder (24) is connected to the conveying motor (25), and the conveying cylinder (24) and the folding Type lifting block (29), the part where the rear plate folding block (34) cooperates with the folding lifting block (29) is provided with an arc chamfer, and the rear plate folding block (34) is provided with a The rear plate adjustment cylinder (35) fitted on both sides of the rear plate (57), the conveying motor (25) and the rear plate adjustment cylinder (35) are connected to the power distribution control box (2). 6. A carton folding machine for convenient unloading according to claim 5, characterized in that, the frame (1) on the front side of the feeding guide block (18) is provided with a cardboard (4 ) and the paper-putting rack (3) that is set up inclined upwards, the paper-putting rack (3) cooperates with the feeding guide block (18) through the retrieving device (5), and the retrieving device (5) includes setting The reclaiming frame (11) on the frame (1) and the retrieving turret (13) hinged on the frame (1), the reclaiming frame (11) is provided with a reclaiming turret ( 13) The connected reclaiming rotary cylinder (12), the reclaiming turret (13) is provided with a retrieving and feeding cylinder (14) and a retrieving and feeding block (15) that cooperate with each other, and the retrieving and feeding The feeding seat (15) cooperates with the feeding slide rail (17) provided on the reclaiming turret (13), and the feeding feeding seat (15) is provided with a The cardboard (4) matches the reclaiming sucker (16), and the reclaiming rotating cylinder (12), feeding feeding cylinder (14) and reclaiming sucker (16) are connected to the power distribution control box (2). 7. A carton folding machine for convenient unloading according to claim 6, characterized in that, the frame (1) is provided with a pressing rotation motor (19), and the pressing rotation The motor (19) is provided with a pressing turning block (20) that cooperates with the cardboard (4) on the feeding guide block (18), and the pressing rotating motor (19) is connected to the power distribution control box (2).