Paperboard conveying device

Abstract

The utility model relates to the technical field of paperboard conveying, in particular to a paperboard conveying device which comprises a mounting seat and a pushing mechanism. A first support frame and a second support frame are arranged on the mounting seat; the pushing mechanism is arranged on the first supporting frame. Comprising a first air cylinder arranged on the first supporting frame, a mounting block in driving connection with the first air cylinder, a rotating shaft rotationally connected to the mounting block and provided with a first threaded part and a second threaded part, two moving blocks symmetrically distributed and in threaded connection with the first threaded part and the second threaded part correspondingly, and push plates arranged on the moving blocks. And the second motor drives the rotating shaft to rotate, and the rotating direction of the first threaded part is opposite to that of the second threaded part. The paperboard conveying device solves the problem that paperboards cannot be flatly placed on the conveying belt, the conveying interval of the paperboards can be controlled, and the machining quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of paperboard conveying, in particular to a paperboard conveying device. Background Art

[0002] Corrugated cardboard is a multi-layer bonded body, usually made of at least one layer of corrugated core paper and one layer of cardboard. This structure gives the corrugated cardboard high mechanical strength and can resist impact and falling during transportation.

[0003] Chinese patent announcement number CN213037004U discloses a cardboard material taking and conveying device, including a bracket and a rotating shaft rotatably mounted at both ends of the bracket, a protective cover for partially shielding the rotating shaft is installed on the bracket, one of the rotating shafts is connected to a stepper motor, a conveying belt is connected between the two rotating shafts, a plurality of scrapers are connected to the conveying belt at equal intervals, a material receiving device is fixedly connected to the protective cover, the material receiving device spans above the conveying belt, and a discharge port with a height not less than the height of the scraper is opened at the bottom of the material receiving device. The conveying device adopts a scraper bar set on the conveyor belt and a material receiving device set on the conveyor belt, and the scraper bar is used to discharge the cardboard from the material receiving device, thereby realizing automatic discharge of the cardboard, and the discharge time interval and distance interval can be accurately controlled, which not only saves production costs, but also provides a guarantee for accurate control of production quality.

[0004] However, the above technical solution has the following shortcomings: when the cardboard is put into the material receiving device from the top, it is difficult to keep the cardboard in a horizontal state, resulting in one side of the cardboard contacting the conveyor belt and the other side resting on the baffle plate when the cardboard slides down to the bottom. As the scraper moves, the hanging strip contacts and squeezes the side of the cardboard contacting the conveyor belt, causing the cardboard to be squeezed and deformed. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and propose a cardboard conveying device, which can solve the problem that the cardboard cannot be placed flat on the conveyor belt, and can control the conveying interval of the cardboard to ensure the processing quality.

[0006] The technical solution of the utility model is a cardboard conveying device, comprising a mounting seat and a pushing mechanism; the mounting seat is provided with a first supporting frame and a second supporting frame; the pushing mechanism comprises a first cylinder arranged on the first supporting frame, a mounting block drivingly connected to the first cylinder, a rotating shaft rotatably connected to the mounting block and having a first threaded portion and a second threaded portion, two moving blocks symmetrically distributed and respectively threadedly connected to the first threaded portion and the second threaded portion, a pushing plate arranged on the moving block, and a second motor driving the rotating shaft to rotate, wherein the rotation directions of the first threaded portion and the second threaded portion are opposite.

[0007] Preferably, a conveying mechanism is provided on the mounting seat, and the conveying mechanism includes a first motor arranged on the mounting seat, two rollers rotatably connected to the mounting seat, and a conveyor belt sleeved on the two rollers. The first motor is drivingly connected to the rollers, and a plurality of equally spaced limit plates are provided on the conveyor belt.

[0008] Preferably, two symmetrically distributed vertical plates are provided on the mounting seat, and baffles are provided on the vertical plates.

[0009] Preferably, the mounting block is provided with two horizontally distributed sliding grooves, and the moving block is provided with a guide block slidably connected inside the sliding grooves.

[0010] Preferably, the first support frame is provided with two symmetrically distributed fixing blocks, and the mounting block is provided with two vertically distributed stabilizing rods which are slidably connected to the fixing blocks.

[0011] Preferably, a pressing mechanism is provided on the second support frame, and the pressing mechanism includes a second cylinder provided on the second support frame, a lifting plate driven and connected to the second cylinder, a metal spring sheet provided on the lifting plate, and a rolling assembly provided on the metal spring sheet.

[0012] Preferably, the rolling assembly includes two fixing frames distributed on the left and right of the metal spring sheet, a roller rotatably arranged on the fixing frames, a connecting block arranged on the metal spring sheet, and a pressing plate arranged on the connecting block.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] 1. The utility model avoids the problem of subsequent squeezing and deformation caused by the side edges of some cardboards resting on the limit plate when being conveyed through the push mechanism, and realizes the distance control between each cardboard, which has good practicality.

[0015] 2. When the utility model uses the downward pressing mechanism to press down and level the upper surface of the cardboard, the pressure is relieved and no creases are caused on the cardboard, thereby ensuring the quality of cardboard transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 It is a structural diagram of the pushing mechanism;

[0018] Figure 3 It is a schematic diagram of the connection between the drive assembly and the mounting block;

[0019] Figure 4 It is a structural schematic diagram of the pressing mechanism.

[0020] Figure numerals: 1. mounting base; 2. first motor; 3. roller; 4. conveyor belt; 5. limit plate; 6. vertical plate; 7. baffle; 8. first support frame; 9. first cylinder; 10. mounting block; 11. second motor; 12. rotating shaft; 13. first threaded portion; 14. second threaded portion; 15. moving block; 16. guide block; 17. push plate; 18. fixed block; 19. stabilizer bar; 20. second support frame; 21. second cylinder; 22. lifting plate; 23. metal spring; 24. fixed frame; 25. roller; 26. connecting block; 27. pressure plate. DETAILED DESCRIPTION

[0021] Embodiment 1

[0022] like Figure 1-Figure 4 As shown, a cardboard conveying device proposed in this embodiment includes a mounting seat 1 and a pushing mechanism; a first supporting frame 8 and a second supporting frame 20 are arranged on the mounting seat 1.

[0023] like Figure 1-Figure 3 As shown, the pushing mechanism includes a first cylinder 9 arranged on a first support frame 8, a mounting block 10 drivingly connected to the first cylinder 9, a rotating shaft 12 rotatably connected to the mounting block 10 and having a first threaded portion 13 and a second threaded portion 14, two moving blocks 15 symmetrically distributed and threadedly connected to the first threaded portion 13 and the second threaded portion 14 respectively, a pushing plate 17 arranged on the moving block 15, and a second motor 11 driving the rotating shaft 12 to rotate, and the rotation directions of the first threaded portion 13 and the second threaded portion 14 are opposite.

[0024] The mounting block 10 is provided with two horizontally distributed sliding grooves, and the moving block 15 is provided with a guide block 16 slidably connected inside the sliding grooves, and the guide block 16 plays a guiding role for the moving block 15 .

[0025] The first support frame 8 is provided with two symmetrically distributed fixing blocks 18 , and the mounting block 10 is provided with two vertically distributed stabilizing rods 19 slidably connected to the fixing blocks 18 , and the stabilizing rods 19 have a stabilizing and guiding function for the lifting and lowering of the mounting block 10 .

[0026] When the cardboard is placed in the interval between two adjacent limiting plates 5, the first cylinder 9 drives the mounting block 10 to descend to the lowest point, and then the second motor 11 is started to drive the rotating shaft 12 to rotate, and the first threaded portion 13 and the second threaded portion 14 are respectively screwed with the two moving blocks 15, and under the guidance of the guide block 16, the moving block 15 drives the two push plates 17 to approach each other, and the side edge of the cardboard resting on the limiting plate 5 is pushed, so that the cardboard falls completely on the conveyor belt 4.

[0027] When one cardboard is processed, the second motor 11 drives the rotating shaft 12 to reverse, and at the same time the first cylinder 9 drives the mounting block 10 to rise so as to push the next cardboard, thereby avoiding the problem that the side of the cardboard is squeezed and cannot be completely placed on the conveyor belt 4, and realizing the distance control between each cardboard, which has good practicality.

[0028] Embodiment 2

[0029] like Figure 1 As shown, a cardboard conveying device proposed in this embodiment, compared with the first embodiment, in this embodiment, a conveying mechanism is arranged on the mounting seat 1, and the conveying mechanism includes a first motor 2 arranged on the mounting seat 1, two rollers 3 rotatably connected to the mounting seat 1 and a conveyor belt 4 sleeved on the two rollers 3, the first motor 2 is drivingly connected to the rollers 3, and a plurality of equally spaced limit plates 5 are arranged on the conveyor belt 4.

[0030] Two symmetrically distributed vertical plates 6 are arranged on the mounting base 1 , and a baffle 7 is arranged on the vertical plates 6 .

[0031] In this embodiment, the roller shaft 3 is driven to rotate by the first motor 2, the roller shaft 3 drives the conveyor belt 4 to move, and the conveyor belt 4 drives the limit plate 5 to move. When the cardboard needs to be conveyed, the cardboard is first pushed between the two vertical plates 6. When one side of the cardboard contacts the baffle 7, the cardboard is released and falls on the conveyor belt 4. The side edges of some of the cardboards will be placed on the limit plate 5 and processed by the pushing mechanism at the rear.

[0032] Embodiment 3

[0033] like Figure 1 and Figure 4 As shown, a cardboard conveying device proposed in this embodiment, compared with the first embodiment, in this embodiment, a pressing mechanism is arranged on the second support frame 20, and the pressing mechanism includes a second cylinder 21 arranged on the second support frame 20, a lifting plate 22 driven and connected to the second cylinder 21, a metal spring 23 arranged on the lifting plate 22, and a rolling assembly arranged on the metal spring 23.

[0034] The rolling assembly includes two fixing frames 24 distributed on the metal spring sheet 23 , rollers 25 rotatably disposed on the fixing frames 24 , a connecting block 26 disposed on the metal spring sheet 23 , and a pressing plate 27 disposed on the connecting block 26 .

[0035] In this embodiment, when the lower surface of the cardboard is completely in contact with the conveyor belt 4 and conveyed to the bottom of the pressing mechanism, the lifting plate 22 is driven to descend by the second cylinder 21, and the lifting plate 22 drives the metal spring 23 to descend, and the roller 25 contacts the upper surface of the cardboard first. As the lifting plate 22 continues to descend, the roller 25 rolls along the upper surface of the cardboard until the pressing plate 27 presses the cardboard down and flattens it, so that the pressure on the cardboard is relieved, no creases are caused on the cardboard, and the quality of cardboard transportation is guaranteed.

[0036] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cardboard conveying device, characterized in that: include: A mounting base (1) on which a first support frame (8) and a second support frame (20) are arranged; The pushing mechanism comprises a first cylinder (9) arranged on a first support frame (8), a mounting block (10) drivingly connected to the first cylinder (9), a rotating shaft (12) rotatably connected to the mounting block (10) and having a first threaded portion (13) and a second threaded portion (14), two symmetrically distributed moving blocks (15) respectively threadedly connected to the first threaded portion (13) and the second threaded portion (14), a pushing plate (17) arranged on the moving block (15), and a second motor (11) driving the rotating shaft (12) to rotate, wherein the first threaded portion (13) and the second threaded portion (14) have opposite rotation directions.

2. A cardboard conveying device according to claim 1, characterized in that: A conveying mechanism is arranged on the mounting seat (1), the conveying mechanism comprising a first motor (2) arranged on the mounting seat (1), two rollers (3) rotatably connected to the mounting seat (1), and a conveying belt (4) sleeved on the two rollers (3); the first motor (2) is drivingly connected to the rollers (3), and a plurality of equally spaced limiting plates (5) are arranged on the conveying belt (4).

3. A cardboard conveying device according to claim 1, characterized in that: Two symmetrically distributed vertical plates (6) are arranged on the mounting seat (1), and a baffle (7) is arranged on the vertical plates (6).

4. A cardboard conveying device according to claim 1, characterized in that: The mounting block (10) is provided with two horizontally distributed sliding grooves, and the moving block (15) is provided with a guide block (16) slidably connected inside the sliding grooves.

5. A cardboard conveying device according to claim 1, characterized in that: The first support frame (8) is provided with two symmetrically distributed fixing blocks (18), and the mounting block (10) is provided with two vertically distributed stabilizing rods (19) which are slidably connected to the fixing blocks (18).

6. A cardboard conveying device according to claim 1, characterized in that: The second support frame (20) is provided with a pressing mechanism, which comprises a second cylinder (21) provided on the second support frame (20), a lifting plate (22) drivingly connected to the second cylinder (21), a metal spring (23) provided on the lifting plate (22), and a rolling assembly provided on the metal spring (23).

7. A cardboard conveying device according to claim 6, characterized in that: The rolling assembly comprises two fixing frames (24) distributed on the metal spring sheet (23) on the left and right, a roller (25) rotatably arranged on the fixing frames (24), a connecting block (26) arranged on the metal spring sheet (23), and a pressing plate (27) arranged on the connecting block (26).

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