Fiberboard blank paving equipment

Abstract

The utility model relates to the technical field of artificial board production, and discloses a fiber board blank paving device which comprises a metering bin and a paving forming chamber, a swing feeding mechanism is arranged at an inlet of the metering bin, and the swing feeding mechanism performs swing discharging in the width direction of the metering bin; a stock bin conveying belt used for metering and conveying fibers is arranged in the metering stock bin, and a material rake mechanism is arranged at the output end of the stock bin conveying belt. A feeding opening communicated with the metering bin is formed in the paving forming chamber, a material scattering mechanism is arranged at the feeding opening, a paving head composed of a set of obliquely-arranged needle rollers is arranged in the paving forming chamber, the needle rollers in the direction of the feeding opening are located at the low position, the needle rollers away from the direction of the feeding opening are located at the high position, and a forming conveyor is arranged below the paving head. And a pre-pressing roller is arranged on the outer side of the outlet of the paving and forming chamber. According to the utility model, the fibers are effectively scattered, the fibers are prevented from being stacked into clusters, and the uniformity of the thickness of fiber pavement in the subsequent process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of artificial board production, and particularly relates to a fiberboard mat laying equipment. BACKGROUND

[0002] The fiberboard is a kind of artificial board, which is made of wood fiber or other plant fiber as raw material, after being broken, fiber separation, drying, then applying urea-formaldehyde resin or other suitable adhesive, and then laying, hot pressing.

[0003] The fiberboard laying equipment is one of the key equipment in the fiberboard production line, which is to convey the dried fiber to the laying head through the swing feeding mechanism after metering in the metering bin, and then spread on the forming conveyor belt through the laying head, and the fiber laid on the conveyor belt is flattened after the laying roller to form a mat with a certain thickness and width. The existing laying equipment has the problem of uneven laying due to the accumulation of fibers into a group. UTILITY MODEL CONTENT

[0004] The utility model aims at the above problems, and provides a fiberboard mat laying equipment to improve laying uniformity.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fiberboard mat laying equipment, comprising a metering bin and a laying forming chamber, a swing feeding mechanism is arranged at the inlet of the metering bin, and the swing feeding mechanism swings to discharge along the width direction of the metering bin; a bin conveyor belt for metering and conveying fiber is arranged in the metering bin, and a rake mechanism is arranged at the output end of the bin conveyor belt;

[0006] A discharge port is formed in the laying forming chamber and communicates with the metering bin, a material scattering mechanism is arranged at the discharge port, a laying head composed of a group of inclined needle rollers is arranged in the laying forming chamber, the needle roller in the direction of the discharge port is in low position, and the needle roller away from the direction of the discharge port is in high position, a forming conveyor is arranged below the laying head, and a pre-pressing roller is arranged outside the outlet of the laying forming chamber; the material scattering mechanism comprises two upper scattering rollers and two lower scattering rollers, which are arranged in transverse opposite rotation, the two upper scattering rollers and the two lower scattering rollers are arranged in upper and lower positions, and the gap between the two lower scattering rollers is smaller than the gap between the two upper scattering rollers; a plurality of upper scattering rods are arranged on the outer wall of the upper scattering roller in staggered intervals, a plurality of lower scattering rods are arranged on the outer wall of the lower scattering roller in staggered intervals, and the density of the upper scattering rod is smaller than the density of the lower scattering rod.

[0007] Preferably, the rake mechanism comprises an electric telescopic rod, a U-shaped frame and rake teeth, the electric telescopic rod is fixed on the top of the metering hopper, the U-shaped frame is installed on the inner wall of the top of the metering hopper, the top of the rake teeth is provided with a connecting rod, and the connecting rod is movably connected with the telescopic end of the electric telescopic rod through the U-shaped frame.

[0008] Preferably, the density of the lower scattering rod is 2 times the density of the upper scattering rod.

[0009] Preferably, the length of the upper scattering rod is 1.5 times the length of the lower scattering rod.

[0010] Preferably, the diameter of the upper scattering roller is 1.5-2 times the diameter of the lower scattering roller.

[0011] Preferably, the cleaning mechanism comprises a cleaning roller brush, a lifting cylinder for lifting the cleaning roller brush and a collecting box below the cleaning roller brush for collecting waste, the collecting box is arranged on a lifting plate which is controlled to lift through a screw rod lifting mechanism, and a shell sleeve matched with the collecting box is arranged on the metering hopper.

[0012] By adopting the technical scheme, the utility model has the following beneficial effects:

[0013] The dried fibers are continuously and continuously scattered into the hopper through the swing feeding mechanism and fall in the width direction of the hopper, the rake mechanism is arranged above the hopper conveying belt, the fibers can be evenly and flatly distributed in the conveying process, the hopper conveying belt quantitatively sends the fibers to the scattering mechanism, the scattering mechanism comprises upper scattering rods staggered with upper scattering rollers and lower scattering rods staggered with lower scattering rollers, the upper scattering rollers are firstly pre-scattered, and the lower scattering rollers are further finely scattered, so that the fibers are conveniently and loosely distributed, the scattering efficiency is improved, the fibers are effectively prevented from being accumulated into groups, the uneven thickness of the paving fibers is avoided, the scattered fibers are uniformly paved on the forming conveyor through the paving head, the fiber paving effect is improved, and the uniformity of paving is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the fiber board blank paving equipment of the utility model;

[0015] In the figure: 1- swing feeding mechanism, 2- metering bin, 3- bin conveying belt, 4- rake mechanism, 41- electric telescopic rod, 42- U-shaped frame, 43- rake tooth, 44- connecting rod, 5- discharge port, 6- spreading mechanism, 61- upper spreading roller, 62- lower spreading roller, 63- upper spreading rod, 64- lower spreading rod, 7- paving forming chamber, 8- paving head, 9- pre-pressing roller, 10- forming conveyor, 11- cleaning mechanism, 111- cleaning roller brush, 112- lifting cylinder, 113- collection box, 114- lifting plate, 115- screw rod lifting mechanism, 116- shell sleeve. DETAILED DESCRIPTION

[0016] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The terms "first", "second", and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish different objects, and are not used to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product or device.

[0017] In this document, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0018] As shown in Figure 1 A paving device for fiberboard board blank, comprising a metering bin 2 and a paving forming chamber 7, a swing feeding mechanism 1 is arranged at the inlet of the metering bin 2, the swing feeding mechanism 1 swings to discharge along the width direction of the metering bin 2, the swing feeding mechanism 1 adopts a crank connecting rod mechanism, which belongs to the existing mechanism and will not be described here; a bin conveying belt 3 for metering and conveying fibers is arranged in the metering bin 2, and a rake mechanism 4 is arranged at the output end of the bin conveying belt 3.

[0019] The paving forming chamber 7 is provided with a discharging port 5 communicated with the metering bin 2, a scattering mechanism 6 is arranged at the discharging port 5, the paving head 8 composed of a group of inclined needle rollers is arranged in the paving forming chamber 7, the needle roller in the direction of the discharging port 5 is in a low position, and the needle roller away from the direction of the discharging port 5 is in a high position, a group of inclined needle rollers are used to continuously convey and scatter upward, and the fibers are uniformly dropped between the inclined needle rollers, so that the fiber drop is basically consistent, and the density of the mat is more uniform. A forming conveyor 10 is arranged below the paving head 8, and a pre-pressing roller 9 is arranged outside the outlet of the paving forming chamber 7; the scattering mechanism 6 comprises two upper scattering rollers 61 and two lower scattering rollers 62 which are arranged in a transversely opposite rotating mode, the two upper scattering rollers 61 and the two lower scattering rollers 62 are arranged in an up-down mode, and the gap between the two lower scattering rollers 62 is smaller than the gap between the two upper scattering rollers 61; a plurality of upper scattering rods 63 are arranged on the outer wall of the upper scattering roller 61 in an interval staggered mode, a plurality of lower scattering rods 64 are arranged on the outer wall of the lower scattering roller 62 in an interval staggered mode, and the density of the upper scattering rod 63 is smaller than the density of the lower scattering rod 64.

[0020] The rake mechanism 4 comprises an electric telescopic rod 41, a U-shaped frame 42 and rake teeth 43, the electric telescopic rod 41 is fixed to the top of the metering bin 2, the U-shaped frame 42 is installed on the inner wall of the top of the metering bin 2, the top of the rake tooth 43 is provided with a connecting rod 44, the connecting rod 44 is movably arranged through the U-shaped frame 42 and connected with the telescopic end of the electric telescopic rod 41. By arranging the rake teeth 43, the fibers can be uniformly distributed, and local accumulation of the fibers can be avoided. The height of the rake teeth 43 from the top surface of the bin conveying belt 3 can be adjusted by the electric telescopic rod 41.

[0021] The density of the lower scattering rod 64 is 2 times the density of the upper scattering rod 63. The length of the upper scattering rod 63 is 1.5 times the length of the lower scattering rod 64. The diameter of the upper scattering roller 61 is 1.5-2 times the diameter of the lower scattering roller 62. The upper scattering roller 61 and the lower scattering roller 62 cooperate with each other, the upper scattering roller 61 first performs pre-scattering, and the lower scattering roller 62 further performs fine scattering, so that the fibers are uniformly loose, the scattering efficiency is improved, and the fibers are effectively prevented from accumulating into groups, thereby causing uneven thickness of the paving fibers.

[0022] The paving device further comprises a cleaning mechanism 11, the cleaning mechanism 11 comprising a cleaning roller brush 111, a lifting cylinder 112 for controlling the lifting of the cleaning roller brush 111, and a collecting box 113 below the cleaning roller brush 111 for collecting waste, the lifting cylinder 112 being installed on the side wall of the metering bin 2, the cleaning roller brush 111 being in contact with the bin conveying belt 3 in use through the extension and retraction of the lifting cylinder 112, the collecting box 113 being arranged on a lifting plate 114, the lifting plate 114 being controlled to lift through a lead screw lifting mechanism 115, and the metering bin 2 being provided with a shell 116 sleeved with the collecting box 113. The lifting plate 114 can be provided with a one-side-opened limiting groove, facilitating the placement of the collecting box 113 and the quick corresponding with the shell 116, the lifting through the lead screw lifting mechanism 115, the sleeving of the collecting box 113 into the shell 116, and the taking down of the collecting box 113 when the lead screw lifting mechanism 115 is lowered. The cleaning mechanism 11 is beneficial to the cleaning of the surface of the bin conveying belt, avoids the adhesion of the surface, and improves the metering accuracy.

[0023] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A laying device for a board web of fibre board, characterised in that: The application relates to a paving and forming room and a metering bin, wherein a swing feeding mechanism is arranged at the inlet of the metering bin and swings to discharge materials along the width direction of the metering bin; a bin conveying belt for metering and conveying fibers is arranged in the metering bin; a rake mechanism is arranged at the output end of the bin conveying belt; A discharge port is arranged on the paving and forming room and communicates with the metering bin; a material scattering mechanism is arranged at the discharge port; a paving head composed of a group of inclined needle rollers is arranged in the paving and forming room; the needle roller in the direction of the discharge port is in a low position, and the needle roller away from the direction of the discharge port is in a high position; a forming conveyor is arranged below the paving head; a pre-pressing roller is arranged outside the outlet of the paving and forming room; the material scattering mechanism comprises two upper scattering rollers and two lower scattering rollers which are arranged in a transversely opposite rotating mode; the two upper scattering rollers and the two lower scattering rollers are arranged in an up-down mode; the gap between the two lower scattering rollers is smaller than the gap between the two upper scattering rollers; a plurality of upper scattering rods are arranged on the outer wall of the upper scattering roller in an interval staggered mode; a plurality of lower scattering rods are arranged on the outer wall of the lower scattering roller in an interval staggered mode; the density of the upper scattering rods is smaller than the density of the lower scattering rods.

2. A laying apparatus for fibreboard slabs according to claim 1, characterised in that: The rake mechanism comprises an electric telescopic rod, a U-shaped frame and a rake tooth; the electric telescopic rod is fixed to the top of the metering bin; the U-shaped frame is mounted on the inner wall of the top of the metering bin; the top of the rake tooth is provided with a connecting rod which is movably arranged through the U-shaped frame and connected with the telescopic end of the electric telescopic rod.

3. A laying apparatus for a board web according to claim 1, characterized in that: The density of the lower scattering rods is 2 times the density of the upper scattering rods.

4. A laying apparatus for a fiberboard web according to claim 1, characterized in that: The length of the upper scattering rods is 1.5 times the length of the lower scattering rods.

5. A laying apparatus for a fiberboard web according to claim 1, characterized in that: The diameter of the upper scattering rollers is 1.5-2 times the diameter of the lower scattering rollers.

6. A laying apparatus for a board web according to claim 1, characterized in that: The application further relates to a cleaning mechanism which comprises a cleaning roller brush, a lifting cylinder for lifting the cleaning roller brush and a collecting box for collecting waste materials below the cleaning roller brush; the collecting box is arranged on a lifting plate which is controlled to lift by a screw rod lifting mechanism; a shell sleeve matched with the collecting box is arranged on the metering bin.

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