CN210045532U

CN210045532U - Tubular screw conveyer with screening and crushing device

Info

Publication number: CN210045532U
Application number: CN201920823754.5U
Authority: CN
Inventors: 韩刚; 张巨凯; 郝卫强
Original assignee: Shijiazhuang Rongxin Science & Technology Co Ltd
Current assignee: Shijiazhuang Rongxin Science & Technology Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-11
Anticipated expiration: 2029-06-03

Abstract

The utility model belongs to operation transportation field specifically is tubular screw conveyer with screening, breaker, including the pay-off pillar that is located the frame and has the feed inlet, rotate spacing pivot and supporting pivot drive arrangement that has feeding vane in the pay-off pillar, the end of pay-off pillar has a sieve section of thick bamboo, and the periphery of a sieve section of thick bamboo is provided with the guard shield, and the discharge gate is seted up to the lower part of guard shield, and the pivot is passed a sieve section of thick bamboo and is extended spacing on the guard shield to set up the crushing blade at a sieve section of thick bamboo, the crushing blade forms material with a sieve section of thick bamboo cooperation and stirs, grinds, screening structure. Through at the pay-off pillar end install a sieve section of thick bamboo additional, install the stirring blade additional in the pivot, when the material conveying of caking was to a sieve section of thick bamboo in, the stirring blade stirs up the material, grinds the material on a sieve section of thick bamboo wall, and the material that the particle diameter is qualified falls into the guard shield through a sieve section of thick bamboo and flows into next process through the discharge gate again, has realized screening and crushing material when carrying, has simplified equipment structure, has improved batching efficiency.

Description

Tubular screw conveyer with screening and crushing device

Technical Field

The utility model belongs to operation transportation field relates to the tubular screw conveyer among the automatic blending system, and concretely relates to sets up screening and breaker's tubular screw conveyer in the export.

Background

In automatic batching systems, the powdery material is generally conveyed using a screw conveyor. Due to the moisture absorbing properties of the material, the material may cake or harden during storage. The next process after the material mixing has strict requirements on the particle size of the material, and the agglomerated material needs to be screened and crushed. In the prior art, a screening mechanism and a crushing mechanism are added between a screw conveyor and a next procedure, so that the prior art has the disadvantages of large equipment quantity, complex structure and large occupied space.

Disclosure of Invention

The utility model aims at providing an integrated tubular screw conveyer that has screening, breaker sets up screen cloth and broken blade through the pay-off pillar exit at screw conveyer, sieves and smashes the material when realizing carrying, has simplified equipment structure, has improved batching efficiency.

The technical scheme of the utility model is that: tubular screw conveyer with screening, breaker, including the pay-off pillar that is located the feed inlet that has in the frame, rotate spacing pivot and supporting pivot drive arrangement that have feeding vane in the pay-off pillar, the key lies in: the end of the feeding protective pipe is butted with a screen cylinder, a shield is arranged on the periphery of the screen cylinder, a discharge port is formed in the lower portion of the shield, a rotating shaft penetrates through the screen cylinder to extend and limit on the shield, crushing blades are arranged on the screen cylinder section, and the crushing blades are matched with the screen cylinder to form a material crushing, grinding and screening structure.

Among this technical scheme, through install a sieve section of thick bamboo additional at pay-off pillar end, install the stirring blade additional in the pivot, when the material conveying of caking was to in a sieve section of thick bamboo, the stirring blade stirs up the material, grinds the material on the sieve section of thick bamboo wall, and the material that the particle diameter is qualified falls into the guard shield through a sieve section of thick bamboo and flows into next process through the discharge gate again.

Furthermore, the tail end of the screen cylinder is in butt joint with a return protective pipe, the rotating shaft penetrates through the return protective pipe to extend and limit at the tail end of the return protective pipe, a return blade is arranged on the return protective pipe section, and the pushing direction of the return blade is opposite to that of the feeding blade. This technical scheme is through adorning back material pillar and feed back blade again at a sieve section of thick bamboo end, can push back the material to a sieve section of thick bamboo in to abundant, effectual broken material avoids material pile and waste.

Further, for the convenience of being connected and increasing a sieve section of thick bamboo intensity, the periphery of a sieve section of thick bamboo is provided with the support frame, and the support frame includes the annular stirrup that sets up along circumference and the rib that sets up along the axial, rib and annular stirrup fixed connection.

Furthermore, in order to fix and connect the screen drum, the annular stirrups at the two ends of the screen drum are respectively hooped on the feeding protective pipe and the return protective pipe.

Further, the guard shield includes connecting portion, the upper cover and the blanking portion that articulate at the connecting portion top that connect on pay-off pillar and feed back pillar, and blanking portion is the toper from connecting portion and extends to its lower extreme discharge gate department. In the technical scheme, the conical blanking part is convenient for blanking, and the shield is provided with the upper cover which can be conveniently opened to clean and maintain the screen drum.

Further, in order to ensure reliable connection, the connecting parts are welded on the feeding protective pipe and the return protective pipe.

Furthermore, the connecting part is square box-shaped for convenient connection and welding.

Further, in order to ensure the grinding effect and efficiency, the distance between the edge of the crushing blade and the wall of the screen cylinder is 1-3 mm.

Further, for the convenience of installation, the free end of pay-off pillar and feed back pillar is provided with the protecting cover, and the pivot both ends are rotated spacing on the protecting cover to be connected to the motor of being located in the frame.

Further, in order to save cost and reduce the weight of the rotating shaft, the rotating shaft adopts a hollow shaft.

The utility model has the advantages that: 1. through install a sieve section of thick bamboo additional at the pay-off pillar end, install the stirring blade additional in the pivot, realized promptly carrying the while broken and sieve the caking material, and for subsequent handling provide qualified material, simplified equipment again, compact structure, occupation space is little. 2. The material is pushed back to the screen drum through the feed back protective pipe and the feed back blades, so that the material can be sufficiently and effectively crushed, material accumulation and waste are avoided, and the utilization rate of the material is improved. 3. The whole design of the device is ingenious, the structure is compact, the connection and the movement are reliable, and the efficiency is high.

Drawings

FIG. 1 is a schematic view of the external structure of an embodiment of a screw conveyor;

FIG. 2 is a schematic structural view of a screen cylinder and a crushing blade in the embodiment;

FIG. 3 is a schematic view showing the internal structure of the screw conveyor in the embodiment;

in the drawing, 1 represents a frame, 11 represents a feed port, 2 represents a feed protection pipe, 3 represents a rotating shaft, 31 represents a feed blade, 32 represents a crushing blade, 33 represents a return blade, 4 represents a screen drum, 5 represents a return protection pipe, 6 represents a shield, 61 represents a connecting part, 62 represents an upper cover, 63 represents a blanking part, 64 represents a discharge port, 7 represents a support frame, 71 represents an annular hoop, 72 represents a rib, 8 represents a protective cover, and 9 represents a motor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A tubular screw conveyor with a screening and crushing device is characterized in that a feeding protective pipe 2 is fixed on a rack 1, the tail end of the feeding protective pipe 2 is sequentially butted with a screen cylinder 4 and a return protective pipe 5, and the free ends of the feeding protective pipe 2 and the return protective pipe 5 are provided with protective covers 8. The inner side of the protecting cover 8 of the feeding protecting pipe 2 is provided with a feeding hole 11 communicated with the feeding protecting pipe. The two ends of the hollow rotating shaft 3 are connected with the short shafts in an inserting way, and the two short shafts are arranged on the bearings on the two protecting covers 8. The connecting short shaft at the free end of the feeding protective pipe 2 is connected with a motor 9 through a transmission gear to drive the rotating shaft 3 to rotate, and the motor 9 is fixed on the rack 1. The section of the feeding protective pipe 2 of the rotating shaft 3 is provided with a feeding blade 31, the section of the screen cylinder 4 is provided with a stirring blade 32, the section of the return protective pipe 5 is provided with a return blade 33, and the pushing direction of the return blade 33 is opposite to that of the feeding blade 31. The distance between the edge of the crushing blade 32 and the wall of the screen cylinder 4 is 2 mm. The periphery of a sieve section of thick bamboo 4 is provided with support frame 7, and support frame 7 includes the annular stirrup 71 that sets up along circumference and the rib 72 that sets up along the axial, rib 72 and annular stirrup 71 fixed connection. The annular stirrups 71 at the two ends are respectively hooped on the feeding protective pipe 2 and the return protective pipe 5. The periphery of the screen cylinder 4 is provided with a shield 6, and the lower part of the shield 6 is provided with a discharge port 64. The shield 6 comprises a connecting part 61 welded on the feeding protective pipe 2 and the return protective pipe 5, an upper cover 62 hinged on the top of the connecting part 61 and a blanking part 63, wherein the blanking part 63 extends from the connecting part 61 to a discharge port 64 at the lower end of the connecting part in a conical shape. The connecting portion 61 has a square box shape.

When the screw conveyor is used, after the materials are fed from the feeding hole 11, the feeding blades 31 push the materials to be conveyed to the screen drum 4 in the feeding protective pipe 2, and when the materials reach the screen drum 4, the materials with qualified particle sizes pass through the screen drum 4 and fall to the next working procedure through the discharging hole 64; the caking materials are ground with the wall of the screen cylinder 4 under the action of the crushing blades 32, the materials ground into qualified particle sizes fall to the next process, the non-ground blocky materials reach the feed back protection pipe 5 through the crushing blades 32, the blocky materials are pushed back to the screen cylinder 4 by the feed back blades 33 and are continuously ground by the crushing blades 32 until the qualified particle sizes are reached.

Claims

1. Tubular screw conveyer with screening, breaker, including being located pay-off pillar (2) that have feed inlet (11) on frame (1), rotate pivot (3) and supporting pivot drive arrangement who has feeding blade (31) spacing in pay-off pillar (2), its characterized in that: the end of the feeding protective pipe (2) is butted with a screen cylinder (4), a shield (6) is arranged on the periphery of the screen cylinder (4), a discharge hole (64) is formed in the lower portion of the shield (6), the rotating shaft (3) penetrates through the screen cylinder (4) to extend and limit on the shield (6), a crushing blade (32) is arranged on the screen cylinder (4), and the crushing blade (32) is matched with the screen cylinder (4) to form a material crushing, grinding and screening structure.

2. The tubular screw conveyor with screening, crushing device of claim 1, wherein: the end of the screen drum (4) is in butt joint with a return protective pipe (5), the rotating shaft (3) penetrates through the return protective pipe (5) to extend and limit at the end of the return protective pipe, a return blade (33) is arranged at the section of the return protective pipe (5), and the pushing direction of the return blade (33) is opposite to that of the feeding blade (31).

3. The tubular screw conveyor with screening and crushing device of claim 2, wherein: the periphery of a sieve section of thick bamboo (4) is provided with support frame (7), and support frame (7) include annular hoop (71) and rib (72) along the axial setting that set up along circumference, rib (72) and annular hoop (71) fixed connection.

4. The tubular screw conveyor with screening and crushing device of claim 3, wherein: and annular stirrups (71) at two ends of the screen drum (4) are respectively hooped on the feeding protective pipe (2) and the return protective pipe (5).

5. The tubular screw conveyor with screening and crushing device of claim 2, wherein: the guard shield (6) comprises a connecting part (61) connected to the feeding protective pipe (2) and the return protective pipe (5), an upper cover (62) hinged to the top of the connecting part (61) and a blanking part (63), and the blanking part (63) extends to the lower end discharge hole (64) in a conical shape from the connecting part (61).

6. The tubular screw conveyor with screening and crushing device of claim 5, wherein: the connecting part (61) is welded on the feeding protective pipe (2) and the return protective pipe (5).

7. The tubular screw conveyor with screening and crushing device of claim 6, wherein: the connecting part (61) is in a square box shape.

8. The tubular screw conveyor with screening and crushing device according to any one of claims 1 to 7, wherein: the distance between the edge of the stirring blade (32) and the wall of the screen drum (4) is 1-3 mm.

9. The tubular screw conveyor with screening and crushing device according to any one of claims 2 to 7, wherein: the free ends of the feeding protective pipe (2) and the feed back protective pipe (5) are provided with protective covers (8), and the two ends of the rotating shaft (3) are rotated and limited on the protective covers (8) and are connected with a motor (9) positioned on the rack (1).

10. The tubular screw conveyor with screening, crushing device of claim 9, wherein: the rotating shaft (3) is a hollow shaft.