CN215515404U

CN215515404U - Wood chip screening and conveying device

Info

Publication number: CN215515404U
Application number: CN202120180957.4U
Authority: CN
Inventors: 李国冲; 曹涛; 娄世永
Original assignee: Henan Xinya New Technology Packaging Materials Co ltd
Current assignee: Henan Xinya New Technology Packaging Materials Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2022-01-14
Anticipated expiration: 2031-01-22

Abstract

The utility model provides a wood chip screening and conveying device, which is used for solving the problems that wood chips are not screened and the production is influenced by the fault of a vibrating screen. The utility model provides a wood chip screening conveyor, includes loading attachment, shale shaker and feeding device, and loading attachment includes the motor, and the motor output even has weighing spiral discharging device, has welded feeder hopper and discharging pipe on the weighing spiral discharging device, is equipped with the valve on the discharging pipe, and the last one end of keeping away from the motor of weighing spiral discharging device is equipped with bypass spiral discharging pipe, from the top down loops through the coarse strainer that the bolt fastening has the slope, fine filter screen and sliding plate in the shale shaker, feeding device includes the support, and from the top down is equipped with motor drive's first belt, second belt and third belt in proper order on the support, the top at the second belt is established in the export of bypass spiral discharging pipe. The utility model separates the materials with three specifications by two layers of filter screens, so that the materials are screened more finely.

Description

Wood chip screening and conveying device

Technical Field

The utility model relates to the technical field of wood chip processing equipment, in particular to a wood chip screening and conveying device.

Background

Currently, in the paper industry, strands are generally obtained by chipping or outsourcing raw wood, and due to the requirements of the production process, screening treatment is required to be performed on the strands to improve the quality of the strands.

Generally, although the existing screening machinery screens out large wood chips and qualified wood chips, the qualified wood chips are mixed with smaller unqualified wood chips, which affects the overall quality of the wood chips; and because the bits of broken wood are more in the wood chip, the shale shaker is blocked by too much saw-dust very easily, leads to the shale shaker to need to shut down the maintenance, has influenced the operation of whole production line when shutting down, leads to influencing production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wood chip screening and conveying device, which solves the problems that the production is influenced by the current wood chip screening unrefining and the vibration screen failure.

The technical scheme of the utility model is realized as follows:

a wood chip screening and conveying device comprises a feeding device, a vibrating screen and a conveying device, wherein the feeding device comprises a motor, the output end of the motor is connected with a weighing spiral discharging device, the weighing spiral discharging device is provided with a feeding hopper and a discharging pipe, the discharging pipe is provided with a valve, the pipe orifice of the discharging pipe faces the feeding end of the vibrating screen, a bypass spiral discharging pipe is arranged at one end of the spiral discharging device far away from the motor, an inclined coarse filter screen, a fine filter screen and a material sliding plate are sequentially arranged in the vibrating screen from top to bottom, and the discharge ends of the coarse filter screen, the fine filter screen and the sliding material plate are all provided with a material guide plate, the material conveying device comprises a bracket, a first belt, a second belt and a third belt which are driven by a motor are sequentially arranged on the bracket from top to bottom, and the first belt, the second belt and the third belt are respectively connected with the guide plates at the discharge ends of the coarse filter screen, the fine filter screen and the sliding plate, and the outlet of the bypass spiral discharge pipe is arranged above the second belt.

Wherein, a charge level indicator is arranged on the inner wall of the feed hopper.

Wherein, the discharging pipe is communicated with the vibrating screen through silica gel cloth flexible connection.

Wherein, spiral discharging device includes the material pipe, and the material intraductal motor drive's pivot that is equipped with is fixed with helical blade in the pivot, and motor one side still is equipped with the master controller.

Advantageous effects

The utility model has reasonable design and convenient installation, and can respectively screen out large and small unqualified wood chip materials by arranging the coarse filter screen and the fine filter screen, thereby improving the overall quality of the wood chips; by arranging the bypass spiral discharge pipe, when the vibrating screen is stopped, materials can enter the second belt through the bypass spiral discharge pipe, so that the materials can be normally conveyed to subsequent equipment, and the integral production is not influenced; the material level meter can monitor the amount of the materials in the hopper, so that the influence on discharging caused by pressing and bonding due to excessive materials is avoided; due to the arrangement of the flexible connection, the scattering of wood chips generated by the wood chips can be reduced, and the air quality of a working site is influenced; the spiral discharging device that weighs ejection of compact is stable, and difficult card material guarantees the even running of equipment unit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic illustration of a bypass screw tapping.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

As shown in figure 1, the utility model provides a wood chip screening and conveying device, which comprises a feeding device 4, a vibrating screen 12 and a conveying device 16, wherein the feeding device 4 comprises a motor 1, the output end of the motor 1 is connected with a weighing spiral discharging device 7, a feeding hopper 5 and a discharging pipe 10 are welded on the weighing spiral discharging device 7, a valve 9 is fixed on the discharging pipe 10 through a flange, the pipe orifice of the discharging pipe 10 faces the feeding end of the vibrating screen 12, a bypass spiral discharging pipe 8 is welded on one end, far away from the motor 1, of the weighing spiral discharging device 7, an inclined coarse screen 13, a fine screen 14 and a sliding plate 20 are sequentially fixed in the vibrating screen 12 from top to bottom through bolts, guide plates 15 are welded on the discharging ends of the coarse screen 13, the fine screen 14 and the sliding plate 20, the conveying device 16 comprises a support 24, and a first motor-driven belt 19, a second belt, a third belt, a fourth belt, a fifth belt, a fourth belt, a fifth belt, a fourth and a fourth belt, a fifth belt, a fourth belt, a second belt 18 and a third belt 17, wherein the first belt 19, the second belt 18 and the third belt 17 are respectively connected with the material guide plate 15 at the discharge ends of the coarse filter screen 13, the fine filter screen 14 and the material sliding plate 20, and the outlet of the bypass spiral discharge pipe 8 is arranged above the second belt 19.

The bypass spiral discharging pipe 8 comprises a discharging pipe 27, a motor 25 driving spiral shaft 26 is arranged in the discharging pipe 27, blades are fixed on the spiral shaft 26, and the rotating direction of the motor 25 is opposite to the rotating direction of the motor 1.

The shaker 12 is secured to the ground by a mounting 22.

The first belt 19 is a conveying belt for large unqualified materials and is connected with a chipping machine, the second belt 18 is a qualified material belt and is connected with next process equipment, and the third belt 17 is a conveying belt for small unqualified materials and is connected with recovery equipment.

The working process of the embodiment is as follows: the motor 1, the vibrating screen 12, the first belt 19, the second belt 18 and the third belt 17 are started, the materials enter the weighing spiral discharging device 7 through the feeding hopper 5 and then enter the vibrating screen 12 through the discharging pipe 10, are divided into large materials, qualified materials and small materials through the coarse filter screen 13 and the fine filter screen 14, and are respectively conveyed through the first belt 17, the second belt 18 and the third belt 17; if the vibrating screen 12 stops due to a fault, the valve 9 is closed, the materials fall onto the second belt 19 through the weighing spiral discharging device 7 and the bypass spiral discharging pipe 8, the materials are conveyed by the first belt 19 to enter the chipping machine, and the circulation is repeated until the vibrating screen 12 is started.

Example 2

Preferably, a level gauge 23 is provided on the inner wall of the feed hopper 5. The amount of the materials in the feed hopper 5 can be monitored, so that the influence on discharging caused by pressing and bonding due to excessive materials is avoided; the level gauge 23 is electrically connected with the digital controller.

Other structures of this embodiment are the same as those of embodiment 1.

Example 3

Preferably, the discharge pipe 10 is connected to a vibrating screen 12 via a soft connection 11 made of silicone cloth. The scattering of the wood chips generated by the wood chips can be reduced, and the air quality of a working site is influenced.

Other structures of this embodiment are the same as those of embodiment 1.

Example 4

Preferably, spiral discharging device 7 weighs includes material pipe 3, is equipped with motor 1 driven pivot 2 in the material pipe 3, is fixed with helical blade 6 on the pivot 2, and motor 1 one side still is equipped with the master controller, and the master controller is the plc controller. The weighing spiral discharging device has stable discharging and is not easy to block, and the stable operation of the equipment set is ensured; the weighing spiral discharging device 7 is fixed on the ground through a supporting frame 22.

Other structures of this embodiment are the same as those of embodiment 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a wood chip screening conveyor, includes loading attachment (4), shale shaker (12) and feeding device (16), its characterized in that: the feeding device (4) comprises a motor (1), the output end of the motor (1) is connected with a weighing spiral discharging device (7), the weighing spiral discharging device (7) is provided with a feeding hopper (5) and a discharging pipe (10), the discharging pipe (10) is provided with a valve (9), the pipe orifice of the discharging pipe (10) faces the feeding end of a vibrating screen (12), one end of the spiral discharging device (7) far away from the motor (1) is provided with a bypass spiral discharging pipe (8), the vibrating screen (12) is internally provided with a coarse strainer (13), a fine strainer (14) and a sliding plate (20) which are inclined from top to bottom in sequence, the discharging ends of the coarse strainer (13), the fine strainer (14) and the sliding plate (20) are provided with a guide plate (15), the feeding device (16) comprises a support (24), and the support (24) is provided with a first motor-driven belt (19), a second belt (18) and a third belt (17) from top to bottom in sequence, and the first belt (19), the second belt (18) and the third belt (17) are respectively connected with the guide plates (15) at the discharge ends of the coarse filter screen (13), the fine filter screen (14) and the sliding material plate (20), and the outlet of the bypass spiral discharge pipe (8) is arranged above the second belt (18).

2. The strand screening conveyor as claimed in claim 1 wherein: a charge level indicator (23) is arranged on the inner wall of the feed hopper (5).

3. The strand screening conveyor as claimed in claim 1 wherein: the discharge pipe (10) is communicated with the vibrating screen (12) through a silica gel cloth flexible connection (11).

4. The strand screening conveyor as claimed in claim 1 wherein: the weighing spiral discharging device (7) comprises a material pipe (3), a rotating shaft (2) driven by a motor (1) is arranged in the material pipe (3), a spiral blade (6) is fixed on the rotating shaft (2), and a main controller is further arranged on one side of the motor (1).