Paperboard conveying mechanism

Abstract

A paperboard conveying mechanism comprises a conveying frame and a material blocking frame, a conveying device used for conveying paperboards is arranged on the conveying frame, a baffle is arranged on the material blocking frame, a conveying gap is formed between the conveying device and the baffle, the paperboards are conveyed on the conveying gap, an air suction device is arranged below the conveying device, and under the action of the air suction device, the paperboards are conveyed through the baffle. And the paperboard is adsorbed on the conveying device during conveying. According to the paperboard conveying device, the air suction device is arranged below the conveying device, under the action of the air suction device, paperboards are adsorbed on the conveying device when being conveyed, so that the paperboards cannot deviate when being conveyed on the chain, the stability of paperboard conveying is improved, the conveying gap is formed between the conveying device and the baffle, the paperboards are conveyed on the conveying gap, and the conveying efficiency is improved. And the limiting plates are arranged on the material blocking frame, the paperboards are conveyed between the two limiting plates, the limiting effect on the paperboards is achieved, the paperboards can only be conveyed forwards instead of being conveyed in other directions, the stability of paperboard conveying is further improved, and then the cutting quality of the paperboards is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton production, in particular to a cardboard conveying mechanism. Background Art

[0002] When processing cartons, the cardboard must first be cut according to the unfolded diagram of the carton, and then the cut cardboard must be pressed according to the cutting groove before it can be folded into shape. The cutting of the cardboard is generally done by a cutting machine, and the cardboard is transported to the cutting machine through a conveying mechanism, and then cut. The conveying mechanism transports the cardboard through a chain, but the chain's conveying method is unstable, and the cardboard is prone to deviation when transported on the chain, which in turn affects the cutting of the cardboard.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a cardboard conveying mechanism with simple structure, stable conveying, high production efficiency, good product quality and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A cardboard conveying mechanism designed for this purpose is characterized by comprising a conveying frame and a material stop frame, wherein a conveying device for conveying cardboard is provided on the conveying frame, a baffle is provided on the material stop frame, a conveying gap is formed between the conveying device and the baffle, and the cardboard is conveyed in the conveying gap, and a suction device is provided below the conveying device, and under the action of the suction device, the cardboard is adsorbed on the conveying device during conveyance.

[0006] The material stopper is provided with a limit plate, which is located on both sides of the conveying device, and the cardboard is conveyed between the two limit plates.

[0007] A guide column is provided on the material blocking frame, and a limit plate is movably installed on the guide column to adjust the distance between the two limit plates.

[0008] A limiting portion is provided on one side of the bottom of the limiting plate close to the baffle, and the distance between the limiting portion and the conveying device is smaller than the conveying gap.

[0009] The limiting plate is provided with an air avoidance opening, and the baffle is provided on the air avoidance opening.

[0010] A driving device is provided on the material stop frame, which drives the connected baffle, and the driving device drives the baffle to move up and down on the material stop frame; or, the material stop frame is provided with first adjustment fixing holes distributed up and down, and the baffle is provided with second adjustment fixing holes distributed up and down, and the fastener passes through the second adjustment fixing hole and is fastened to the corresponding first adjustment fixing hole, so that the baffle can be adjusted up and down on the material stop frame.

[0011] The conveying device includes a driver, a driving shaft and a sprocket assembly for conveying cardboards. The driver drives and connects the driving shaft, the driving shaft is rotatably mounted on the conveying frame, and the driving shaft is transmission-connected to the sprocket assembly.

[0012] The sprocket assembly includes a driving sprocket, a chain and a driven sprocket. The driving sprocket is installed on the driving shaft. The driving sprocket and the driven sprocket are connected through a chain transmission. The driven shaft is rotatably installed on the conveyor frame, and the driven sprocket is installed on the driven shaft.

[0013] There are rollers on both sides of the chain. When the cardboard is transported, it is placed on the chain and rollers. When the chain and rollers move, the cardboard moves.

[0014] A guide rail is provided on the conveying frame, and the rollers are in rolling cooperation with the guide rail.

[0015] The air suction device is a cross-flow fan. The air inlet end of the air suction device faces the chain and the roller. A dust filter box is provided below the air outlet end of the air suction device. The dust filter box is pull-out installed at the bottom of the conveyor frame, and a filter is provided in the dust filter box.

[0016] The utility model provides an air suction device under the conveying device. Under the action of the air suction device, the cardboard is adsorbed on the conveying device during conveying, so that the cardboard will not deviate when conveyed on the chain, thereby improving the stability of cardboard conveying, forming a conveying gap between the conveying device and the baffle, and the cardboard is conveyed in the conveying gap, and a limiting plate is provided on the material blocking frame, and the cardboard is conveyed between the two limiting plates, which can limit the cardboard and make it only conveyed forward instead of being conveyed in other directions, further improving the stability of cardboard conveying, and thus improving the cutting quality of the cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the overall structure of the conveying mechanism in one embodiment of the present invention.

[0018] Figure 2 It is a side view of the conveying mechanism in one embodiment of the present invention.

[0019] Figure 3 This is a partial structural exploded view of the conveying mechanism in one embodiment of the present invention.

[0020] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 5 This is a schematic diagram of the manual adjustment principle of the baffle in one embodiment of the present utility model.

[0022] Figure 6 This is a simplified structural diagram of a dust filter box in one embodiment of the present invention. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figures 1-6 The cardboard conveying mechanism includes a conveying frame 1 and a material blocking frame 2. The conveying frame 1 is provided with a conveying device a for conveying cardboard, and the material blocking frame 2 is provided with a baffle 3. The baffle 3 is located above the conveying device a. A conveying gap 4 is formed between the conveying device a and the baffle 3. The cardboard is conveyed in the conveying gap 4. A suction device 5 is provided below the conveying device a. The suction device 5 is fixed on the conveying frame 1. Under the action of the suction device 5, the cardboard is adsorbed downward on the conveying device a during transportation.

[0025] A limit plate 6 is provided on the material blocking rack 2, and the limit plates 6 are respectively located on both sides of the conveying device a, and the cardboard is conveyed between the two limit plates 6; the cardboard is corrugated cardboard, and the cardboard is conveyed to the cutting machine through the conveying device a, and then the cutting machine cuts the cardboard according to the unfolded diagram of the carton.

[0026] The material blocking frame 2 is provided with a guide column 7, and the limit plate 6 is movably installed on the guide column 7 to adjust the distance between the two limit plates 6 to adapt to cardboards of different widths. The limit plate 6 is provided with a guide hole that cooperates with the guide column 7.

[0027] A limiting portion 8 is provided on one side of the bottom of the limiting plate 6 close to the baffle 3. The distance between the limiting portion 8 and the conveying device a is smaller than the conveying gap 4, that is, the distance between the limiting portion 8 and the conveying device a is smaller than the thickness of the cardboard, so that the limiting portion 8 limits the cardboard and prevents it from deviating to both sides during transportation; the above structure can also be understood as the limiting portion 8 being located below the baffle 3.

[0028] The bottom of the limiting plate 6 is tilted, and the limiting portion 8 is located at the bottom of the tilt.

[0029] An air-avoiding opening 9 is provided at the bottom of the limiting plate 6 , and the baffle 3 is arranged on the air-avoiding opening 9 , so that the structure of the conveying mechanism is more compact.

[0030] The material stop frame 2 is provided with a driving device, which drives the connected baffle 3, and the driving device drives the baffle 3 to move up and down and adjust on the material stop frame 2; the driving device includes a motor and a transmission assembly, the motor is connected to the baffle 3 through the transmission assembly, the transmission assembly is a transmission belt assembly or a screw assembly, or the driving device is a cylinder, the cylinder is connected to the baffle 3, and the baffle 3 slides up and down on the material stop frame 2 through the slide rail assembly; the motor or cylinder is connected to the controller, and the cardboard thickness is manually input. The controller controls the motor or cylinder to lift and lower the baffle to adjust the height of the baffle 3, and then adapt to different cardboard thicknesses, realize intelligent adjustment, avoid manual adjustment of the baffle 3, reduce the intensity of manual operation, and reduce the standby time of the equipment due to adjustment of the baffle 3.

[0031] Alternatively, the material stop rack 2 is provided with first adjustment fixing holes 21 distributed up and down, and the baffle 3 is provided with second adjustment fixing holes 22 distributed up and down, and the fasteners (screws) pass through the second adjustment fixing holes 22 and are fastened to the corresponding first adjustment fixing holes 21, so that the baffle 3 can be adjusted up and down on the material stop rack 2 to adapt to different cardboard thicknesses; two second adjustment fixing holes 22 are provided, and multiple (at least three) first adjustment fixing holes 21 are provided, and the baffle 3 is (manually) moved up and down to adjust the first adjustment fixing hole 21 aligned with the two second adjustment fixing holes 22, and then screws are tightened to adjust the height of the baffle 3.

[0032] The conveying device a includes a driver (not shown in the figure), a driving shaft 10 and a sprocket assembly for conveying cardboard. The driver drives the driving shaft 10, which is rotatably mounted on the conveying frame 1 and is connected to the sprocket assembly. The driver is a motor.

[0033] The sprocket assembly includes a driving sprocket 11, a chain 12 and a driven sprocket 13. The driving sprocket 11 is installed on the driving shaft 10. The driving sprocket 11 and the driven sprocket 13 are connected by the chain 12. A driven shaft 14 is rotatably installed on the conveying frame 1, and the driven sprocket 13 is installed on the driven shaft 14; the driver drives the driving shaft 10 to rotate, and the driving shaft 10 drives the driving sprocket 11 to rotate, and cooperates with the driven sprocket 13 to drive the chain 12 to move. When the chain 12 moves, it drives the cardboard forward, thereby conveying the cardboard.

[0034] Before the cardboard is conveyed, the stacked cardboards are placed on the chain 12, and then the driver is started. The chain 12 drives the cardboard at the bottom to be conveyed forward. Since the baffle 3 blocks the cardboard above, the cardboard above will not be conveyed forward. In addition, the suction device 5 acts to enable the cardboard at the bottom to be conveyed forward. After the cardboard at the bottom is conveyed, the driver stops working, and the cardboard above falls onto the chain 12. Then the driver is started to convey the cardboard at the bottom, and the cycle continues.

[0035] Rollers 15 are rotatably provided on both sides of the chain 12. When the cardboard is transported, it is placed on the chain 12 and the rollers 15. When the chain 12 and the rollers 15 move, the cardboard moves. The setting of the rollers 15 enables the chain 12 to drive the cardboard forward more stably.

[0036] A plurality of sprocket assemblies are respectively mounted on the driving shaft 10 and the driven shaft 14 , that is, a plurality of chains 12 convey the cardboard, thereby improving the stability of the conveying.

[0037] The conveyor frame 1 is provided with a guide rail 16 , and the roller 15 is in rolling cooperation with the guide rail 16 . When the chain 12 moves, the roller 15 rolls on the guide rail 16 , and the guide rail 16 supports the chain 12 .

[0038] The suction device 5 is a cross-flow fan, and the air inlet end 17 of the suction device 5 is facing the chain 12 and the roller 15, so that when the suction device 5 is working, the cardboard is adsorbed on the chain 12 and the roller 15, and the air outlet end 18 of the suction device 5 is facing the material blocking rack 2. The cross-flow fan is a prior art and will not be described in detail here.

[0039] A dust filter box 19 is provided below the air outlet end of the suction device 5. The dust filter box 19 is installed in a pull-out manner at the bottom of the conveyor frame 1. A filter screen 20 is provided in the dust filter box 19. The air blown out by the suction device 5 enters the dust filter box 19, and then the filter screen 20 filters the air to block dust. The filtered air is discharged from the dust filter box 19 ( Figure 6 The arrow indicates the direction of wind flow); the dust filter box 19 is designed to be pull-out for easy cleaning.

[0040] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A cardboard conveying mechanism, characterized in that: The invention comprises a conveying frame (1) and a material stop frame (2), wherein a conveying device (a) for conveying cardboard is provided on the conveying frame (1), a baffle (3) is provided on the material stop frame (2), a conveying gap (4) is formed between the conveying device (a) and the baffle (3), and the cardboard is conveyed in the conveying gap (4), and an air suction device (5) is provided below the conveying device (a), and under the action of the air suction device (5), the cardboard is adsorbed on the conveying device (a) during conveyance.

2. The cardboard conveying mechanism according to claim 1, characterized in that: A limiting plate (6) is provided on the material blocking frame (2), and the limiting plates (6) are respectively located on both sides of the conveying device (a), and the cardboard is conveyed between the two limiting plates (6).

3. The cardboard conveying mechanism according to claim 2, characterized in that: A guide column (7) is provided on the material blocking frame (2), and the limit plates (6) are movably mounted on the guide column (7) to adjust the distance between the two limit plates (6).

4. The cardboard conveying mechanism according to claim 2, characterized in that: A limiting portion (8) is provided on one side of the bottom of the limiting plate (6) close to the baffle (3), and the distance between the limiting portion (8) and the conveying device (a) is smaller than the conveying gap (4).

5. The cardboard conveying mechanism according to claim 2, characterized in that: An air-avoiding opening (9) is provided on the limiting plate (6), and the baffle (3) is provided on the air-avoiding opening (9).

6. The cardboard conveying mechanism according to claim 2, characterized in that: A driving device is provided on the material stop frame (2), and the driving device drives the connecting baffle (3), and the driving device drives the baffle (3) to move up and down on the material stop frame (2); or, the material stop frame (2) is provided with first adjustment fixing holes (21) distributed up and down, and the baffle (3) is provided with second adjustment fixing holes (22) distributed up and down, and the fastener passes through the second adjustment fixing holes (22) and is fastened to the corresponding first adjustment fixing holes (21), so that the baffle (3) can be adjusted up and down on the material stop frame (2).

7. The cardboard conveying mechanism according to claim 1, characterized in that: The conveying device (a) comprises a driver, a driving shaft (10) and a sprocket assembly for conveying cardboard, wherein the driver drives and connects the driving shaft (10), the driving shaft (10) is rotatably mounted on the conveying frame (1), and the driving shaft (10) is transmission-connected to the sprocket assembly.

8. The cardboard conveying mechanism according to claim 7, characterized in that: The sprocket assembly comprises a driving sprocket (11), a chain (12) and a driven sprocket (13), wherein the driving sprocket (11) is mounted on a driving shaft (10), the driving sprocket (11) and the driven sprocket (13) are connected by transmission via the chain (12), a driven shaft (14) is rotatably mounted on the conveying frame (1), and the driven sprocket (13) is mounted on the driven shaft (14).

9. The cardboard conveying mechanism according to claim 8, characterized in that: Rollers (15) are respectively provided on both sides of the chain (12). When the cardboard is transported, it is placed on the chain (12) and the rollers (15). When the chain (12) and the rollers (15) move, the cardboard is driven to move. A guide rail (16) is provided on the transport frame (1), and the rollers (15) and the guide rail (16) are in rolling cooperation.

10. The cardboard conveying mechanism according to claim 9, characterized in that: The air suction device (5) is a cross-flow fan. The air inlet end (17) of the air suction device (5) faces the chain (12) and the roller (15). A dust filter box (19) is provided below the air outlet end of the air suction device (5). The dust filter box (19) is installed in a pull-out manner at the bottom of the conveying frame (1). A filter screen (20) is provided in the dust filter box (19).

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