CN213111173U

CN213111173U - Screw conveyer

Info

Publication number: CN213111173U
Application number: CN202021703750.2U
Authority: CN
Inventors: 周灿云; 王洪来; 项春强; 陈利; 闫涛; 丁锋
Original assignee: Hangzhou Hante Building Materials Co Ltd
Current assignee: Hangzhou Hante Building Materials Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-04
Anticipated expiration: 2030-08-14

Abstract

The application relates to a screw conveyor, and relates to the technical field of conveying devices. The existing screw conveyor has the defects that the wear resistance of the screw blade is poor in the process of conveying materials, after the screw blade is abraded seriously, the screw blade needs to be replaced in order to ensure the smooth operation of material conveying, and the replacement cost is high. This application includes the base, install casing on the base, rotate the spirochaeta that sets up in the casing and be used for driving spirochaeta pivoted drive arrangement, is equipped with feed inlet and discharge gate on the casing, and the spirochaeta is equipped with the protection piece including rotating the pivot and the fixed connection in the epaxial helical blade of commentaries on classics that set up, can dismantle on the helical blade. In the material transportation process, the protection piece replaces helical blade and material direct contact, effectively reduces helical blade's wearing and tearing, improves helical blade's life.

Description

Screw conveyer

Technical Field

The application relates to the technical field of transportation devices, in particular to a spiral conveyor.

Background

The screw conveyer is commonly called auger, is a conveying device with wide application in the industries of building materials, chemical engineering, coal mine charcoal, grain and the like, and is suitable for horizontally or obliquely conveying powdery, granular and small blocky materials such as coal mine, ash, slag, cement, grain and the like. Compared with other conveying equipment, the spiral conveyor has the advantages of small section size of the whole machine, good sealing performance, stable and reliable operation, capability of loading and unloading materials at multiple points in the middle, safe operation, simple and convenient maintenance and the like.

The helical blade of the screw conveyer pushes the material to move along the length direction of the shell of the screw conveyer in the rotating process, so that the material is conveyed. In the process of conveying materials, due to the gravity of the materials and the frictional resistance of the shell of the screw conveyor to the materials, the materials cannot rotate together with the helical blades of the screw conveyor, and therefore, the materials move in the screw conveyor in a sliding manner.

The existing screw conveyor has the defects that the wear resistance of the screw blade is poor, the serious abrasion phenomenon can occur after the screw blade works for a long time, the production stagnation can be caused, the screw blade is difficult to replace, and the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

In order to reduce helical blade's friction loss, guarantee the normal clear of material transport work, this application provides a screw conveyer.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a screw conveyer, includes the base, install the casing on the base, rotate the spirochaeta that sets up in the casing and be used for driving spirochaeta pivoted drive arrangement, be equipped with feed inlet and discharge gate on the casing, the one end setting that the feed inlet is close to the casing, the discharge gate is close to the other end setting of casing, the spirochaeta is including rotating the pivot that sets up and connecting in the epaxial helical blade of commentaries on classics, can dismantle on the helical blade and be equipped with the protection.

By adopting the technical scheme, the protection part replaces the helical blade to be in direct contact with the material, so that the abrasion of the helical blade is effectively reduced, and the service life of the helical blade is prolonged; because the protection piece can be dismantled, can directly change the protection piece after the protection piece wearing and tearing are serious, avoid leading to higher replacement cost because of changing helical blade.

The present application may be further configured in a preferred example to: the protection piece is arranged on the side face of the spiral blade close to the discharge hole.

Through adopting above-mentioned technical scheme, because helical blade working process, the surface contact material that is close to discharge gate one side promotes the material motion, therefore this side surface of helical blade is more serious than opposite side surface wearing and tearing, and the protection piece sets up in this side surface, and the pertinence is stronger, also is favorable to reduce cost.

The present application may be further configured in a preferred example to: the protection piece comprises a plurality of protection unit pieces which are arranged along the length direction of the helical blade, and adjacent protection unit pieces are attached to each other.

Through adopting above-mentioned technical scheme, be favorable to improving the laminating degree of protection piece and helical blade, can also reduce the replacement cost that leads to behind the protection piece local wear.

The present application may be further configured in a preferred example to: the protective unit piece comprises a wear-resistant layer at one side far away from the helical blade.

Through adopting above-mentioned technical scheme, set up the wearing layer and can improve the wearability of protection piece, reduce the wearing and tearing of protection piece, improve the life of protection piece.

The present application may be further configured in a preferred example to: the spiral blade is provided with a plurality of clamping grooves, one side of the protective unit piece, which is close to the spiral blade, is provided with a clamping piece, and the clamping piece is matched with the clamping grooves.

Through adopting above-mentioned technical scheme, need not be with the help of other fasteners, fixed effect is better, easy operation, the installation of being convenient for.

The present application may be further configured in a preferred example to: the protection unit spare is still including setting up in the wearing layer and being close to the soft layer of shrink of helical blade one side, and joint spare runs through the soft layer of shrink and connects in the wearing layer, and the joint spare is kept away from the one end of wearing layer and is less than the degree of depth in joint groove to the distance on the soft layer of shrink.

By adopting the technical scheme, after the protective unit piece is arranged on the spiral blade, the contraction soft layer is in an extrusion contraction state, and if a gap exists between the spiral blade and the protective unit piece, the contraction soft layer can fill the gap, so that the fitting degree of the whole protective unit piece and the spiral blade is improved, and the probability of abrasion of the spiral blade caused by the fact that materials enter the gap is reduced; the surface friction coefficient of the shrinkage soft layer is larger than that of the wear-resistant layer, so that the adhesive force between the whole protective unit piece and the helical blade can be improved, and the fixing effect between the protective unit piece and the helical blade is improved.

The present application may be further configured in a preferred example to: the protection unit piece is provided with a first lap joint part and a second lap joint part respectively at two ends in the length direction of the helical blade, and the first lap joint part of the protection unit piece is positioned at the upper end of the second lap joint part of the adjacent protection unit piece.

By adopting the technical scheme, the protective unit element completely covers the surface of the helical blade, the protective effect on the helical blade is further improved, and the helical blade is favorably prevented from being damaged by friction caused by contact with materials.

The present application may be further configured in a preferred example to: the first lap joint part is connected with the second lap joint part in a buckling mode.

Through adopting above-mentioned technical scheme for first overlap joint portion and the laminating of second overlap joint portion are inseparabler, reduce material sediment bits through clearance between the two and move to helical blade surface's probability, guarantee helical blade's protecting effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the scheme, the detachable protection part replaces the helical blade to directly contact with the material, so that the abrasion of the helical blade is effectively reduced, and the service life of the helical blade is prolonged; the protection part can be detached, so that the protection part can be directly replaced after being seriously worn, and higher replacement cost caused by replacing the helical blade is avoided;

2. in the scheme, because the surface close to one side of the discharge hole contacts with the material and pushes the material to move in the working process of the helical blade, the surface of the helical blade on the side is more seriously abraded than the surface of the other side of the helical blade, and the protection part is arranged on the side surface, so that the pertinence is stronger, and the cost is also favorably reduced;

3. according to the scheme, the shrinkage soft layer is arranged, after the protection unit element is installed on the spiral blade, the shrinkage soft layer is in an extrusion shrinkage state, and if a gap exists between the spiral blade and the protection unit element, the shrinkage soft layer can fill the gap, so that the fitting degree of the whole protection unit element and the spiral blade is improved, and the probability of abrasion of the spiral blade caused by the fact that materials enter the gap is reduced; the surface friction coefficient of the shrinkage soft layer is larger than that of the wear-resistant layer, so that the adhesive force between the whole protective unit piece and the helical blade can be improved, and the fixing effect between the protective unit piece and the helical blade is improved.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present application;

FIG. 2 is a partial exploded view of the screw of FIG. 1;

FIG. 3 is a schematic structural view of the guard unit piece of FIG. 2;

FIG. 4 is a structural schematic view of another perspective of the sheathing unit piece of FIG. 2, showing grooves.

In the figure, 1, a base; 2. a housing; 21. a feed inlet; 22. a discharge port; 3. a helical body; 31. a rotating shaft; 32. a helical blade; 321. a clamping groove; 4. a drive device; 41. a drive motor; 42. a speed reducer; 43. a coupling; 5. a guard; 51. a protective unit element; 511. a wear layer; 512. a contracting soft layer; 5121. a strip-shaped hole; 513. a clamping piece; 5131. a first end face; 5132. a second end face; 5133. a first deformation groove; 514. a first lap joint portion; 5141. a bump; 5142. a second deformation groove; 515. a second lap joint portion; 5151. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The first embodiment is as follows: referring to fig. 1, for a screw conveyor disclosed in this application, including base 1, install casing 2 on base 1, rotate the spiral body 3 that sets up in casing 2 and be used for driving the drive arrangement 4 that spiral body 3 rotated, drive arrangement 4 includes driving motor 41, connects in reduction gear 42 and two shaft couplings 43 of driving motor 41 output shaft, and a shaft coupling 43 sets up between driving motor 41 and reduction gear 42, and another shaft coupling 43 sets up between reduction gear 42 and spiral body 3. The casing 2 is provided with a feeding hole 21 and a discharging hole 22, the feeding hole 21 is arranged near one end of the casing 2, the discharging hole 22 is arranged near the other end of the casing 2, the spiral body 3 comprises a rotating shaft 31 which is rotatably arranged and a spiral blade 32 which is fixedly connected to the rotating shaft 31, and the spiral blade 32 is detachably provided with a protection part 5. The present embodiment is intended to provide the protection member 5 to reduce the wear of the helical blade 32 during the material conveying process, improve the service life of the helical blade 32, and ensure the normal operation of the material conveying operation.

The movement of the material in the screw conveyor is actually a sliding movement, and the material does not rotate along with the screw blade 32 due to the gravity of the material and the frictional resistance between the material and the housing 2, but moves linearly along the length direction of the housing 2. In the conveying process, one side of the spiral blade 32 close to the discharge port 22 is abutted and pushes the material to move towards the discharge port 22, the spiral blade 32 rotates, and the material moves linearly, so that the material and the spiral blade 32 rub against each other, and the side of the spiral blade 32 close to the discharge port 22 and far away from the discharge port 22 is more seriously abraded. In this embodiment, the protection member 5 is only disposed on one side of the spiral blade 32 close to the discharge port 22, but not both sides, so that the protection effect of the protection member 5 on the spiral blade 32 is improved while the cost is reduced, and the pertinence is stronger.

Referring to fig. 1 and 2, the shielding element 5 includes a plurality of shielding element 51 arranged along the length direction of the helical blade 32, and adjacent shielding element 51 are disposed closely. Since the surface of the helical blade 32 is a helical curved surface, if the protection member 5 is provided as an inseparable long piece, the problem that the protection member 5 has poor fitting property with the helical blade 32 may occur during installation, and when the protection member 5 is locally worn seriously, the whole protection member 5 needs to be replaced, which is high in replacement cost; in this embodiment, the protection element 5 is divided into a plurality of independent protection element units 51, which is beneficial to improving the fitting degree of the protection element 5 and the helical blade 32 and reducing the replacement cost.

Referring to fig. 2 and 3, each of the protective unit pieces 51 includes a wear-resistant layer 511 far away from the helical blade 32 and a shrinkable soft layer 512 near the helical blade 32, the shrinkable soft layer 512 is fixedly connected with the wear-resistant layer 511, and the wear-resistant layer 511 is formed by processing polytetrafluoroethylene. The lower surface of the wear-resistant layer 511 is respectively provided with a clamping piece 513 at two ends along the length direction of the helical blade 32, and the clamping piece 513 is integrally in a long strip shape and is arranged close to the edge of the wear-resistant layer 511. The cross section of the clamping piece 513 is isosceles trapezoid, the clamping piece 513 comprises a first end face 5131 connected to the wear-resistant layer 511 and a second end face 5132 far away from the wear-resistant layer 511, the first end face 5131 is parallel to the second end face 5132, and the area of the first end face 5131 is smaller than that of the second end face 5132. The middle position of the second end face 5132 is provided with a first deformation groove 5133, and the first deformation groove 5133 extends along the length direction of the clamping member 513 and penetrates through two ends of the clamping member 513. Two strip-shaped holes 5121 are formed in the flexible shrinkable layer 512, and the two clamping members 513 respectively extend out of the two strip-shaped holes 5121. The helical blade 32 is provided with a plurality of clamping grooves 321 matched with the clamping pieces 513, and the clamping grooves 321 are formed from the surface of the helical blade 32 to the direction far away from the protective unit piece 51.

When an operator installs the protective unit piece 51, the protective unit piece 51 is firstly brought close to the helical blade 32, and then the clamping piece 513 is clamped into the clamping groove 321 in a direction perpendicular to the surface of the helical blade 32, so that the anti-slip unit piece and the helical blade 32 are kept fixed. Because the clamping member 513 has elasticity and is provided with the first deformation groove 5133, an operator can squeeze the clamping member 513 to make it elastically deformed, that is, the parts of the clamping member 513 at the two sides of the first deformation groove 5133 are drawn close to the middle, so that the second end face 5132 of the clamping member 513 can be clamped into the clamping groove 321. Through the cooperation of joint spare 513 and joint groove 321 to be connected to install protection unit spare 51 on helical blade 32, need not be with the help of other fasteners, fixed effect is better, easy operation, the installation of being convenient for.

The contracting soft layer 512 is processed by sponge, the distance from the second end face 5132 of the clamping piece 513 to the contracting soft layer 512 is smaller than the depth of the clamping groove 321, and after the protective unit piece 51 is installed on the helical blade 32, the contracting soft layer 512 is in an extrusion contracting state. Because the wear-resistant layer 511 is made of polytetrafluoroethylene, the friction coefficient of the surface of the wear-resistant layer 511 is extremely low, if the wear-resistant layer 511 is directly attached to the surface of the helical blade 32, the adhesion between the wear-resistant layer 511 and the helical blade is low, and the fixing effect is poor. The surface friction coefficient of the shrinkage soft layer 512 is greater than that of the wear-resistant layer 511, so that the adhesive force between the whole protective unit piece 51 and the helical blade 32 can be improved, and the fixing effect between the protective unit piece 51 and the helical blade 32 can be improved; since the shrinkage soft layer 512 is in a shrinkage extrusion state after being installed, if a gap exists between the helical blade 32 and the protection unit piece 51, the shrinkage soft layer 512 can fill the gap, so that the fitting degree of the whole protection unit piece 51 and the helical blade 32 is improved, and the probability of abrasion of the helical blade 32 caused by the material entering the gap is reduced.

Referring to fig. 3 and 4, both ends of each of the protective unit pieces 51 are respectively provided with a first overlapping part 514 and a second overlapping part 515, and the first overlapping part 514 and the second overlapping part 515 are identical in size and are fan-shaped pieces disposed along the edges of the protective unit pieces 51. The lower end of the first bridging portion 514 is provided with three projections 5141 in the shape of a revolving body, and the three projections 5141 are arranged at equal intervals along the length direction of the first bridging portion 514. The diameter of the projection 5141 gradually decreases from the end of the projection 5141 toward the first bridging portion 514, a second deformation groove 5142 is formed at the end of the projection 5141, and the second deformation groove 5142 penetrates through the outer circumferential surface of the projection 5141. The upper end of the second overlapping part 515 is provided with three grooves 5151, the diameter of the bottom of each groove 5151 is larger than that of the opening end, and the grooves 5151 are connected with the bumps 5141 in a buckling manner. Since the projection 5141 is an elastic member and the projection 5141 is provided with the second deformation groove 5142, an operator overlaps the first overlapping part 514 of the previous protective unit piece 51 on the second overlapping part 515 of the next protective unit piece 51, and elastically deforms the end of the projection 5141 by pressing, thereby snapping the projection 5141 into the groove 5151.

Referring to fig. 2 and 3, after the protector unit pieces 51 are fastened to the helical blade 32, the adjacent protector unit pieces 51 are closely arranged, and an operator laps the first laps 514 of the previous protector unit piece 51 over the upper ends of the second laps 515 of the next protector unit piece 51, thereby connecting all the protector unit pieces 51 to each other. Since the first overlapping part 514 overlaps the upper end of the second overlapping part 515, the protective unit piece 51 completely covers the surface of the helical blade 32, thereby further improving the protective effect on the helical blade 32 and being beneficial to avoiding the friction damage of the helical blade 32 caused by contacting materials. First overlap joint portion 514 and second overlap joint portion 515 are connected through the cooperation of lug 5141 with recess 5151 for first overlap joint portion 514 and the laminating of second overlap joint portion 515 are inseparabler, reduce the probability that material sediment bits moved to helical blade 32 surface through the clearance between the two, guarantee helical blade 32's protective effect.

The implementation principle of the embodiment is as follows: the protective layer is arranged on one side of the helical blade 32 close to the discharge hole 22, so that the abrasion of the helical blade 32 in the material conveying process is reduced, the service life of the helical blade 32 is prolonged, and the normal operation of material conveying work is ensured; the protection piece 5 is divided into a plurality of protection unit pieces 51, and all the protection unit pieces 51 are arranged along the length direction of the helical blade 32, so that the protection piece 5 is more attached to the surface of the helical blade 32, and the replacement cost caused by local abrasion of the protection piece 5 is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw conveyer, include base (1), install in casing (2), rotation on base (1) set up in spirochete (3) in casing (2) and be used for the drive spirochete (3) pivoted drive arrangement (4), be equipped with feed inlet (21) and discharge gate (22) on casing (2), feed inlet (21) are close to the one end setting of casing (2), discharge gate (22) are close to the other end setting of casing (2), spirochete (3) including rotate pivot (31) that set up with connect in helical blade (32) on pivot (31), its characterized in that: the helical blade (32) is detachably provided with a protection piece (5).

2. A screw conveyor according to claim 1, wherein: the protection piece (5) is arranged on the side surface of the spiral blade (32) close to the discharge hole (22).

3. A screw conveyor according to claim 1 or 2, wherein: the protection piece (5) comprises a plurality of protection unit pieces (51) which are arranged along the length direction of the helical blade (32), and the adjacent protection unit pieces (51) are attached to each other.

4. A screw conveyor according to claim 3, wherein: the protective unit piece (51) includes a wear-resistant layer (511) at a side away from the helical blade (32).

5. A screw conveyor according to claim 4, wherein: be equipped with a plurality of joint groove (321) on helical blade (32), protection unit spare (51) are close to one side of helical blade (32) is equipped with joint spare (513), joint spare (513) with joint groove (321) cooperation sets up.

6. A screw conveyor according to claim 5, wherein: the protection unit spare (51) still including set up in wearing layer (511) are close to shrink soft layer (512) of helical blade (32) one side, joint spare (513) run through shrink soft layer (512) and connect in wearing layer (511), joint spare (513) are kept away from the one end of wearing layer (511) extremely the distance of shrink soft layer (512) is less than the degree of depth of joint groove (321).

7. A screw conveyor according to claim 3, wherein: the two ends of the protective unit piece (51) along the length direction of the helical blade (32) are respectively provided with a first overlapping part (514) and a second overlapping part (515), and the first overlapping part (514) of the protective unit piece (51) is positioned at the upper end of the second overlapping part (515) adjacent to the protective unit piece (51).

8. A screw conveyor according to claim 7, wherein: the first strap (514) is snap-fit to the second strap (515).