CN212892315U

CN212892315U - Material-dividing screw machine

Info

Publication number: CN212892315U
Application number: CN202021489582.1U
Authority: CN
Inventors: 吴金昌; 黄清; 郑宏亮
Original assignee: Changxing Hanjiang Environmental Protection Machinery Manufacturing Co ltd
Current assignee: Changxing Hanjiang Environmental Protection Machinery Manufacturing Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-04-06
Anticipated expiration: 2030-07-25

Abstract

The utility model provides a material-separating screw machine, which comprises a screw material-shifting roller mechanism, a front seat body and a rear seat body which are respectively and coaxially connected with the two ends of the screw material-shifting roller mechanism, and a power mechanism for driving the screw material-shifting roller mechanism to rotate, wherein the front seat body, the rear seat body and the side wall of a storage bin are connected by a composite loose joint structure; the spiral material stirring roller mechanism is arranged to be of a forward and reverse spiral structure; through dividing the compound loose joint that material screw machine both ends improved design for holding ring and location loose joint combination make up, and the detachable connection structure between holding ring and the location loose joint, make the location loose joint of head and the afterbody move toward the feed bin inside translation respectively, vacate the space for transmission parts maintenance and change, make things convenient for dismouting and daily maintenance, and installation convenient operation has solved the technical problem that the structure that exists is unreasonable among the prior art, installation and maintenance operation are inconvenient.

Description

Material-dividing screw machine

Technical Field

The utility model relates to a defeated material equipment field, concretely relates to divide material screw machine.

Background

In the stokehole feeding system of the biomass power plant, a material distributing screw is usually arranged on the lower portion of a storage bin for storing biomass fuel, on one hand, materials which are mutually wound and staggered are stirred, a bridge between the materials is damaged, on the other hand, the materials are guided to move to designated positions on two sides according to the trend of a spiral blade to be blanked, and then the materials are discharged by a material taking screw below.

Chinese utility model patent with application number CN201520379025.7 discloses a positive and negative two-way double helix formula solid-liquid separation equipment, include: power unit, extrusion subassembly and sleeve subassembly, power unit includes: the outer sleeve shaft and the inner sleeve shaft are opposite in rotation direction, and the outer sleeve shaft and the inner sleeve shaft are respectively provided with a reverse spiral blade and a positive spiral blade; the extrusion assembly includes: the pressure plate comprises a sleeve, a handle matched with the sleeve and a pressure plate connected with the handle through a spring; the sleeve assembly includes: an inner sleeve and an outer sleeve.

However, the existing material distributing screw machine is usually welded and fixed with the bin wall of the bin by a positioning sleeve, the workload of hole forming and welding positioning on a construction site is large, and if the transmission bolt is broken or the bearing is damaged and needs to be updated, the positioning sleeve fixed by welding seriously influences the maintenance work, the transmission bolt can be removed only through a destructive notch, and then the transmission assembly is removed.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a divide material screw driver will divide material screw driver both ends to improve the design and become the compound loose joint that holding ring and location loose joint made up into, and the detachable connection structure between holding ring and the location loose joint, make the location loose joint of head and the afterbody can be respectively toward the inside translation of feed bin, vacate the space for transmission part maintenance and change, make things convenient for dismouting and daily maintenance, and installation convenient operation, the structure of having solved existence among the prior art is unreasonable, installation and the inconvenient technical problem of maintenance operation.

In order to achieve the above object, the utility model provides a following technical scheme:

a material-distributing screw machine comprises a screw material-poking roller mechanism, a front seat body and a rear seat body which are respectively coaxially connected with two ends of the screw material-poking roller mechanism, and a power mechanism for driving the screw material-poking roller mechanism to rotate, wherein the front seat body and the rear seat body are connected with the side wall of a storage bin in a composite loose joint structure; the spiral material stirring roller mechanism is of a forward and reverse spiral structure.

Preferably, the composite loose joint structure comprises a positioning ring and a positioning loose joint, wherein the positioning ring is fixedly connected with the side wall of the storage bin, and the positioning loose joint is detachably connected with the positioning ring through a positioning bolt, so that the positioning loose joint can correspondingly translate towards the inside of the storage bin.

Preferably, the side wall of the storage bin is provided with a mounting groove for mounting the positioning ring.

Preferably, the front seat body comprises a head wallboard, a head bearing seat arranged on the head wallboard and a transmission bearing arranged at one end of the head bearing seat and coaxially connected with the spiral material poking roller mechanism, and the power mechanism is connected and arranged at the other end of the head bearing seat.

Preferably, the rear seat body comprises a tail wall plate and a tail fixing bolt which is arranged on the tail wall plate and is coaxially connected with the spiral material poking roller mechanism.

Preferably, the spiral material stirring roller mechanism comprises a barrel shaft, a forward spiral blade and a reverse spiral blade which are arranged on the barrel shaft and have opposite spiral directions, and an active connecting shaft and a passive connecting shaft which are respectively and coaxially connected with two ends of the barrel shaft.

Preferably, the driving connecting shaft is coaxially connected with the power mechanism.

Preferably, the combination of the tip ends of the forward spiral blade and the reverse spiral blade and the cylinder shaft is provided in an involute shape.

Preferably, the ends of the forward helical blade and the reverse helical blade are configured as smooth transitional arcs.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses will divide material screw machine both ends improvement design to the compound loose joint that holding ring and location loose joint made up, and can dismantle the connection through positioning bolt between holding ring and the location loose joint, after tearing the bolt off, the location loose joint of head and the afterbody can be respectively to the translation of feed bin inside, vacate the space and can consolidate and change drive bolt and tailstock connecting bolt, also can further carry out dismouting to head and the afterbody bearing, convenient daily maintenance, need not destructive cutting; in addition, temporary holes do not need to be formed in the installation site, so that the operation is more convenient;

(2) the spiral material shifting roller mechanism is arranged into a forward and reverse spiral structure, so that materials above the material shifting roller mechanism can be conveyed to the conveyors on the two sides below the bin at proper rotating speed, and the purpose of material distribution is achieved;

(3) the utility model sets the ends of the forward and reverse helical blades as smooth transition arcs and combines the ends of the forward and reverse helical blades with the cylinder shaft into a shape similar to an involute, thereby effectively avoiding the winding of long materials at the ends of the blades;

(4) in the utility model, the flange surface of the active connecting shaft and the end surface of the cylinder shaft are close to the same level or are arranged with smaller indentation, which is convenient for screwing the transmission bolt; and the space between the two end surfaces of the cylinder shaft of the material poking roller and the head and tail wall plates is convenient for the operation tool to extend into.

To sum up, the utility model has the advantages of installation and maintenance are convenient, rational in infrastructure, equipment long service life, are particularly useful for defeated material equipment field.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1-2, a material-separating screw machine comprises a screw material-stirring roller mechanism 1, a front seat body 2 and a rear seat body 3 coaxially connected with two ends of the screw material-stirring roller mechanism 1 respectively, and a power mechanism 4 driving the screw material-stirring roller mechanism 1 to rotate, wherein the front seat body 2 and the rear seat body 3 are connected with a bin side wall 5 by a composite loose joint structure 6; the spiral material stirring roller mechanism 1 is arranged to be of a forward and reverse spiral structure.

Further, compound loose joint structure 6 includes holding ring 61 and location loose joint 62, wherein the holding ring 61 with feed bin lateral wall 5 fixed connection, location loose joint 62 passes through positioning bolt 63 and can dismantle with holding ring 61 and be connected, so that location loose joint 62 can correspond to the inside translation of feed bin.

In this embodiment, through dividing the compound loose joint structure 6 that material screw machine both ends improved design for holding ring 61 and location loose joint 62 combination into, conveniently divide the dismouting and the maintenance at material screw machine both ends, it is further, can dismantle through positioning bolt 63 between holding ring 61 and the location loose joint 62 and be connected, after detaching positioning bolt 63, after guaranteeing that the interval B2 of location loose joint 62 and helical blade proximal end is nearly equal to the prerequisite of the interval of kicking off roller wave front terminal surface and head/afterbody wallboard B1, the location loose joint 62 of afterbody can be respectively to the inside translation of feed bin, thereby can vacate the space, be convenient for consolidate and change drive bolt and tailstock connecting bolt, also can further carry out the dismouting to the head and the tail bearing, make things convenient for daily maintenance, need not destructive cutting.

The positioning ring 61 has an outer square and an inner circular shape, and the bottom edge of the positioning ring 61 is directly located at the upper opening of the conveyor below.

Furthermore, a mounting groove for mounting the positioning ring 61 is formed on the side wall 5 of the storage bin. Need not interim trompil at the installation scene, it is more convenient to operate.

Further, the front seat body 2 comprises a head wall plate 21, a head bearing seat 22 mounted on the head wall plate 21, and a transmission bearing 23 arranged at one end of the head bearing seat 22 and coaxially connected with the spiral material shifting roller mechanism 1, and the power mechanism 4 is connected to the other end of the head bearing seat 22.

Further, as shown in fig. 3, the rear seat body 3 includes a tail wall plate 31 and a tail fixing bolt 32 installed on the tail wall plate 31 and coaxially connected to the screw material-ejecting roller mechanism 1.

Further, the spiral material stirring roller mechanism 1 comprises a barrel shaft 11, a forward spiral blade 12 and a reverse spiral blade 13 which are arranged on the barrel shaft 11 and have opposite spiral directions, and an active connecting shaft 14 and a passive connecting shaft 15 which are respectively and coaxially connected with two ends of the barrel shaft 11.

In this embodiment, the spiral material shifting roller mechanism is set to be a forward and reverse spiral structure, so that the materials above the spiral material shifting roller mechanism can be conveyed to the conveyors on the two sides below the bin at a proper rotating speed, and the purpose of material distribution is achieved.

It should be noted that the joint of the active spindle 14, the passive spindle 15 and the shaft 11 is not less than 150mm on the axis, so as to ensure that the coaxiality of the head and tail spindles and the excircle of the shaft 11 reaches the standard.

Further, the driving spindle 14 is coaxially connected with the power mechanism 4.

It should be added that the material-distributing screw machine adopts an axial screw, the power mechanism 4 adopts a KAF series speed reduction motor, the head bearing seat 22 adopts a double-faced bearing seat, a pair of tapered roller bearings are oppositely arranged in the double-faced bearing seat and can bear axial force in two directions at the same time, and the rear seat body 3 adopts a UCF series square bearing with a seat, so that the structure is compact and beautiful.

Example two

For simplicity, only the differences between the second embodiment and the first embodiment will be described below; the second embodiment is different from the first embodiment in that:

further, as shown in fig. 3, the combination of the tip ends of the forward spiral vane 12 and the reverse spiral vane 13 and the cylindrical shaft 11 is provided in an involute shape 120.

Further, the ends of the forward helical blade 12 and the reverse helical blade 13 are configured as a smooth transitional arc 130.

In the embodiment, the ends of the forward helical blade 12 and the reverse helical blade 13 are set to be smooth transition arcs 130, and the combination of the tail ends of the forward helical blade and the reverse helical blade with the cylinder shaft is made to be similar to an involute shape 120, so that the long material is effectively prevented from being wound on the tail ends of the blades, and the running stability of the equipment is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A material-distributing screw machine comprises a screw material-poking roller mechanism (1), a front seat body (2) and a rear seat body (3) which are respectively coaxially connected with the two ends of the screw material-poking roller mechanism (1), and a power mechanism (4) for driving the screw material-poking roller mechanism (1) to rotate, and is characterized in that the front seat body (2) and the rear seat body (3) are connected with a bin side wall (5) through a composite loose joint structure (6); the spiral material stirring roller mechanism (1) is of a forward and reverse spiral structure.

2. A distributing screw machine according to claim 1, characterized in that said composite loose joint structure (6) comprises a positioning ring (61) and a positioning loose joint (62), wherein said positioning ring (61) is fixedly connected with said silo side wall (5), said positioning loose joint (62) is detachably connected with said positioning ring (61) by means of a positioning bolt (63), so that said positioning loose joint (62) can correspondingly translate towards the interior of the silo.

3. The material-distributing screw machine according to claim 1, wherein the bin side wall (5) is provided with an installation groove for installing the positioning ring (61).

4. The material-distributing screw machine according to claim 1, wherein the front seat body (2) comprises a head wall plate (21), a head bearing seat (22) mounted on the head wall plate (21), and a transmission bearing (23) arranged at one end of the head bearing seat (22) and coaxially connected with the screw material-shifting roller mechanism (1), and the power mechanism (4) is connected and arranged at the other end of the head bearing seat (22).

5. A material-dividing screw machine according to claim 1, characterized in that the rear seat body (3) comprises a tail wall plate (31) and a tail fixing bolt (32) mounted on the tail wall plate (31) and coaxially connected with the screw material-shifting roller mechanism (1).

6. The material-separating screw machine according to claim 1, characterized in that the screw material-stirring roller mechanism (1) comprises a barrel shaft (11), a forward screw blade (12) and a reverse screw blade (13) which are arranged on the barrel shaft (11) and have opposite screw directions, and a driving connecting shaft (14) and a driven connecting shaft (15) which are respectively and coaxially connected with two ends of the barrel shaft (11).

7. A material-dividing screw machine according to claim 6, characterised in that the drive spindle (14) is coaxially connected to the power mechanism (4).

8. A dividing screw according to claim 6, characterised in that the combination of the tips of the forward (12) and reverse (13) helical blades and the barrel shaft (11) is provided in an involute shape (120).

9. A distributing screw according to claim 6, characterised in that the ends of the forward (12) and reverse (13) screw are arranged as rounded transition arcs (130).