CN219424852U - Drum-type saw-dust screening machine - Google Patents

Abstract

The utility model relates to a drum-type wood chip screening machine, which comprises a feed hopper, a material conveying device is arranged below the feed hopper, a drum screen is arranged at the bottom end of the material conveying device, the drum screen is obliquely arranged, a wood chip collecting device is arranged below the drum screen, the material conveying device comprises a material distributing plate, the material distributing plate is arranged right above a feed inlet of the drum screen, a plurality of material distributing grooves are arranged on the upper surface of the material distributing plate, the material distributing grooves are uniformly distributed on the material distributing plate at equal intervals, the material distributing plate is obliquely arranged, the lower surface of the material distributing plate is in sliding connection with a sliding groove on a mounting frame through a sliding block, and one end of the material distributing plate is provided with a hydraulic driving device.

Description

Drum-type saw-dust screening machine

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a roller type wood chip screening machine.

Background

The proportion of the raw materials of wood dust used in the industrial edible fungi production is over 30 percent, and the wood dust must be sieved before use to remove impurities and wood blocks and stones with the size of more than 1.5 cm. The existing sieving machine has low efficiency, and the sieving is not thorough enough, thus meeting the production requirement.

Disclosure of Invention

In order to solve the technical problems mentioned in the background art, the embodiment of the utility model provides a drum-type wood chip screening machine, which comprises a feed hopper, wherein a material conveying device is arranged below the feed hopper, a drum screen is arranged at the bottom end of the material conveying device, the drum screen is obliquely arranged, a wood chip collecting device is arranged below the drum screen, the material conveying device comprises a material distributing plate, the material distributing plate is arranged right above a material inlet of the drum screen, a plurality of material distributing grooves are arranged on the upper surface of the material distributing plate, the material distributing grooves are uniformly distributed on the material distributing plate at equal intervals, the material distributing plate is obliquely arranged, the lower surface of the material distributing plate is in sliding connection with a sliding groove on a mounting frame through a sliding block, and one end of the material distributing plate is provided with a hydraulic driving device.

Preferably, the bottom end of the rotary screen is provided with a slag discharging port.

Preferably, a baffle is arranged at the slag discharge port, one side of the baffle is hinged with the slag discharge port, and a buckle is arranged at one side of the baffle.

Preferably, the baffle is made of a mesh plate of the same mesh as the trommel.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:

according to the utility model, the material dividing plate transversely slides along the chute under the drive of the hydraulic driving device, so that the wood chips in the material dividing chute are uniformly scattered in the rotary screen, the wood chip discharging is uniform and dispersed, the screening of the rotary screen is facilitated, the blocking probability is reduced, and the overall efficiency of wood chip screening is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a drum-type wood chip screening machine according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the mounting structure of the mounting frame and the distributing plate.

In the shown figure, a feed hopper 1, a drum screen 2, a wood chip collecting device 3, a material distributing plate 4, a material distributing groove 5, a mounting frame 6, a sliding groove 7, a hydraulic driving device 8, a baffle 15 and a buckle 16.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "fixed to" another element, it can be directly connected to the other element or intervening elements may also be present.

In the present utility model, unless otherwise specified, terms such as "up, down, left, and right" are used to generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to inner and outer on a particular contour. "distal" and "proximal" refer to both distal and proximal relative to a component.

As shown in fig. 1-2, the drum-type wood chip screening machine provided by the embodiment of the utility model comprises a feed hopper 1, a material conveying device is arranged below the feed hopper 1, a drum screen 2 is arranged at the bottom end of the material conveying device, the drum screen 2 is obliquely arranged, a wood chip collecting device 3 is arranged below the drum screen 2, the material conveying device comprises a material distributing plate 4, the material distributing plate 4 is arranged right above a feed inlet of the drum screen 2, a plurality of material distributing grooves 5 are formed in the upper surface of the material distributing plate 4, the material distributing grooves 5 are uniformly distributed on the material distributing plate 4 at equal intervals, the material distributing plate 4 is obliquely arranged, the lower surface of the material distributing plate 4 is in sliding connection with a sliding groove 7 on a mounting frame 6 through a sliding block, and one end of the material distributing plate 4 is provided with a hydraulic driving device 8.

When the wood chips are screened, the wood chips are conveyed out from the feed hopper 1 and fall on the material distributing plate 4 to enter the rotary screen 2 through the material distributing groove 5, the material distributing plate 4 is driven by the hydraulic driving device 8 to transversely slide along the sliding groove 7, the wood chips entering the material distributing groove 5 are uniformly scattered in the rotary screen 2, so that the wood chips are uniformly discharged and dispersed, screening of the rotary screen 2 is facilitated, the blocking probability is reduced, the integral efficiency of wood chip screening is improved, the material distributing plate 4 is obliquely arranged, the wood chips slide downwards when falling into the material distributing plate 4, the material distributing plate 4 can play a role of buffering, broken stones or wood blocks after screening are trapped in the rotary screen 2, and the wood chips fall into the wood chip collecting device 3 for subsequent production.

The bottom of drum sieve 2 is provided with the sediment mouth, sediment mouth department is provided with baffle 15, baffle 15 one side is articulated with sediment mouth, and one side is provided with buckle 16, when clearing up rubble or billet etc. open buckle 16 with rubble or billet take out from sediment mouth can, baffle 15 is made by the mesh plate with drum sieve 2 the same mesh, also can sieve the saw-dust, can not influence drum sieve 2's screening efficiency.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (4)

1. The utility model provides a drum-type saw-dust screening machine, its characterized in that, includes the feed hopper, the feed hopper below is provided with the material transfer device, the bottom of material transfer device is provided with the drum sieve, the drum sieve slope sets up, the drum sieve below is provided with saw-dust collection device, the material transfer device includes the feed divider, the feed divider sets up directly over the drum sieve feed inlet, the upper surface of feed divider is provided with a plurality of feed divider, feed divider equidistance evenly distributed is on the feed divider, the feed divider slope sets up, the lower surface of feed divider passes through spout sliding connection on slider and the mounting bracket, the one end of feed divider is provided with hydraulic drive.

2. The drum-type wood chip screening machine according to claim 1, wherein a slag discharge port is formed in the bottom end of the drum screen.

3. The drum-type wood chip screening machine according to claim 2, wherein a baffle is arranged at the slag discharge opening, one side of the baffle is hinged with the slag discharge opening, and a buckle is arranged at one side of the baffle.

4. A drum-type wood chip screening machine according to claim 3, characterized in that the baffle is made of a mesh plate of the same mesh as the drum screen.