Corrugated board pressing equipment

Abstract

The utility model discloses corrugated board pressing equipment which comprises a rack, two sets of heating rollers arranged in parallel are rotationally connected in the rack, a lower pressing roller is rotationally connected to the position, located on one side of an upper forming roller, in the rack, a through groove is formed in the position, located above the lower pressing roller, of the two side walls of the rack, two sliding rods are arranged in the through groove, and the two sliding rods are connected with bearing seats in a sliding mode. The top of the rack is provided with screw nuts, the tops of the bearing seats are connected with screws, the screws penetrate through the side wall of the rack and are in threaded connection with the screw nuts, the tops of the screws are connected with gear columns, servo motors are installed at the positions, located above the two screw nuts, of the top of the rack, and the output ends of the servo motors are connected with gears. The gear is meshed with the gear column; according to the paperboard pressing device, the pressing effect of paperboards can be accurately controlled, the production requirements of different corrugated paperboards are met, the adjusting process is more stable and accurate, errors caused by manual operation are reduced, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated board technical field especially relates to a corrugated board pressing equipment. BACKGROUND

[0002] Corrugated board is a kind of material commonly used for packaging, usually consists of three layers of paper: two layers of flat paper and one layer of wavy paper. Corrugated paper is located between the face paper, and it presents wavy or curved shape through special pressing process, and such structure makes corrugated board have good compressive strength and cushioning performance. The existing corrugated board production equipment mainly relies on roll pressing forming technology, and realizes the corrugated forming of paperboard through the synergistic effect of heating roller and pressing roller.

[0003] However, in the existing equipment, the adjustment of pressing roller is generally more complex, and manual intervention is needed for adjustment, so the gap and pressure between rollers cannot be quickly adjusted according to production needs, which affects production efficiency. In the production process of corrugated board, the size of pressing force directly affects the forming effect and the strength of paperboard. The pressing force adjustment system of the existing equipment is relatively single, and precise and stable adjustment cannot be realized. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a corrugated board pressing equipment, which effectively solves the problem that the gap and pressure between the pressing rollers of the existing corrugated paper pressing equipment cannot be adjusted.

[0005] The utility model adopts the following technical scheme: a corrugated board pressing equipment, including frame, two groups of parallel arrangement heating rollers are rotationally connected in the frame, the upper forming roller and lower forming roller that are symmetrically arranged are rotationally connected in the frame and located at one side of heating roller, the lower pressing roller is rotationally connected in the frame and located at one side of upper forming roller, the through slot is set up in the frame two side walls and located above lower pressing roller, two sliding rods are arranged in the through slot, two sliding rods are slidably connected with bearing seat, the upper pressing roller is rotationally connected between two bearing seats, the screw nut is arranged on the top of frame, the screw rod is connected with the top of bearing seat, the screw rod is in threaded connection with screw nut and penetrates the side wall of frame, the gear column is connected with the top of screw rod, the servo motor is installed above two screw nuts on the top of frame, the output end of servo motor is connected with gear, and the gear is meshed with gear column.

[0006] Further, the surface of the heating roller is coated with a heat-conducting silica gel layer.

[0007] Further, the surface of the upper forming roller is provided with protruding corrugated forming teeth, and the surface of the lower forming roller is provided with grooves matched with the corrugated forming teeth.

[0008] Further, the transmission roller is rotatably connected above the upper forming roller and below the lower forming roller in the rack.

[0009] Further, the speed reducer motor is installed on one side of the heating roller, the lower forming roller, the lower pressing roller and the transmission roller.

[0010] Further, two glue spraying windows are formed on one side of the lower pressing roller and the upper pressing roller in the two side walls in the rack.

[0011] The servo motor is connected with the gear column through the gear, drives the rotation of the lead screw, the rotation of the lead screw can drive the gear column to move up and down, the height of the upper pressing roller is adjusted, and the pressure intensity of the paperboard is changed. This process can accurately control the pressing effect of the paperboard, meet the production needs of different corrugated paperboards, and make the adjustment process more stable and accurate, reduce the error of manual operation, and improve the production efficiency and product quality. The equipment is provided with an upper forming roller and a lower forming roller, the upper forming roller has protruding corrugated forming teeth on the surface, the lower forming roller has a matching groove on the surface, and the corrugated paperboard can accurately form a corrugated shape. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a structural schematic view of the utility model.

[0014] In the figure, 1 is a rack, 2 is a heating roller, 3 is an upper forming roller, 4 is a lower forming roller, 5 is a transmission roller, 6 is a lower pressing roller, 7 is a through slot, 8 is a sliding rod, 9 is a bearing seat, 10 is an upper pressing roller, 11 is a lead screw nut, 12 is a lead screw, 13 is a gear column, 14 is a servo motor, 15 is a gear, 16 is a speed reducer motor, 17 is a glue spraying window, 21 is a heat-conducting silica gel layer, 31 is a corrugated forming tooth, and 41 is a corrugated forming groove. DETAILED DESCRIPTION

[0015] In order to enable personnel in the technical field to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection range of the utility model.

[0016] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0017] Referring to Figs. 1-2 As shown in the figure, a kind of corrugated board pressing equipment, including rack 1, two groups of parallelly arranged heating roller 2 are rotationally connected in rack 1, upper forming roller 3 and lower forming roller 4 are rotationally connected in rack 1 and located at one side of heating roller 2 and symmetrically arranged, lower pressing roller 6 is rotationally connected in rack 1 and located at one side of upper forming roller 3, through slot 7 is formed in the side wall of rack 1 and located above lower pressing roller 6, two sliding rods 8 are arranged in through slot 7, bearing seat 9 is slidably connected to two sliding rods 8, upper pressing roller 10 is rotationally connected between two bearing seats 9, screw nut 11 is arranged on the top of rack 1, bearing seat 9 is connected to screw rod 12 on the top, screw rod 12 is connected to gear column 13 on the top, gear 15 is connected to the output end of servo motor 14, gear 15 is engagedly connected to gear column 13.

[0018] The surface of heating roller 2 is coated with a heat-conducting silica gel layer 21, which helps to improve the heat transfer efficiency and effectively prolong the service life of the equipment.

[0019] The surface of upper forming roller 3 is provided with protruding corrugated forming teeth 31, and the surface of lower forming roller 4 is provided with grooves 41 matched with corrugated forming teeth 31, which can form a standard corrugated shape during production and improve the forming precision of the paperboard.

[0020] Transmission rollers 5 are rotationally connected above upper forming roller 3 and below lower forming roller 4 in rack 1, which can convey the upper and lower paper of corrugated board.

[0021] Speed reducer 16 is installed on one side of one of heating roller 2, lower forming roller 4, lower pressing roller 6 and transmission roller 5 in the side wall of rack 1, speed reducer 16 is connected to the corresponding roller respectively, speed reducer 16 can adjust the rotating speed of each roller to ensure the consistent action of each roller during production.

[0022] Two glue spraying windows 17 are arranged on the two side walls of the rack 1 on the side of the lower pressing roller 6 and the upper pressing roller 10, so that the upper and lower surfaces of the corrugated paper board are evenly sprayed with glue, and the bonding strength of the paper board is enhanced. During the pressing process, the glue can effectively bond the upper and lower layers of the corrugated paper board together, improving the overall stability and pressure resistance of the paper board.

[0023] Working principle: the corrugated paper core is heated by two groups of parallel heating rollers 2, and then passes through the upper forming roller 3 and the lower forming roller 4, and is pressed and formed by the corrugated forming teeth 31 and the grooves 41, and then passes through the lower pressing roller 6 and the upper pressing roller 10, and the upper and lower paper boards of the corrugated board pass through the two transmission rollers 5 and the lower pressing roller 6 and the upper pressing roller 10, and the workers use the glue gun to spray glue on the upper and lower surfaces of the corrugated paper core through the glue spraying window 17, which helps the paper board to be bonded and fixed during the pressing process, improves the overall strength and stability of the corrugated paper board, and presses the upper and lower paper boards and the corrugated paper core together to form a complete corrugated paper board. The servo motor 14 is connected with the gear column 13 through the gear 15, drives the screw rod 12 to rotate, and the rotation of the screw rod can drive the gear column 13 to move up and down, adjust the height of the upper pressing roller 10, and change the pressure of the paper board. This process can accurately control the pressing effect of the paper board and meet the production needs of different corrugated paper boards.

[0024] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A corrugated board pressing apparatus comprising a frame (1), two sets of parallel arranged heating rollers (2) being rotatably connected in the frame (1), characterized in that: The rack (1) is rotatably connected with the upper forming roller (3) and the lower forming roller (4) which are symmetrically arranged on the heating roller (2) side in the rack (1), the rack (1) is rotatably connected with the pressing roller (6) on the side of the upper forming roller (3) in the rack (1), the rack (1) is provided with a through slot (7) above the pressing roller (6) on the two side walls, the through slot (7) is provided with two slide rods (8), the two slide rods (8) are slidably connected with the bearing seat (9), the upper pressing roller (10) is rotatably connected between the two bearing seats (9), the rack (1) is provided with a screw nut (11) on the top, the bearing seat (9) is connected with a screw rod (12) on the top, the screw rod (12) penetrates the side wall of the rack (1) and is threadedly connected with the screw nut (11), the screw rod (12) is connected with a gear column (13) on the top, the rack (1) is provided with a servo motor (14) above the two screw nuts (11) on the top, the servo motor (14) is connected with a gear (15) on the output end, and the gear (15) is meshedly connected with the gear column (13).

2. A corrugated paperboard pressing apparatus according to claim 1, characterized in that: The heating roller (2) is coated with a heat-conducting silica gel layer (21) on the surface.

3. A corrugated paperboard pressing apparatus according to claim 2, characterized in that: The upper forming roller (3) is provided with a convex corrugated forming tooth (31) on the surface, and the lower forming roller (4) is provided with a groove (41) matched with the corrugated forming tooth (31) on the surface.

4. A corrugated paperboard pressing apparatus according to claim 3, characterized in that: The transmission roller (5) is rotatably connected above the upper forming roller (3) and below the lower forming roller (4) in the rack (1).

5. A corrugated paperboard pressing apparatus according to claim 4, characterized in that: The rack (1) is provided with a speed reducer (16) on one side of each of the heating roller (2), the lower forming roller (4), the pressing roller (6) and the transmission roller (5) on the side wall.

6. A corrugated paperboard pressing apparatus according to claim 5, characterized in that: The rack (1) is provided with two glue spraying windows (17) on the side of the pressing roller (6) and the upper pressing roller (10) on the two side walls.

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