Screw conveyer

By installing a rotating cylinder at the end of the conveying trough of the screw conveyor, the distance between the mounting shaft and the rotating engagement point of the conveying trough is extended. Combined with the design of the spiral blades, the problem of jamming caused by materials or impurities entering the rotation gap is solved, thereby improving the operational stability and cleaning efficiency of the equipment.

CN223673559UActive Publication Date: 2025-12-16YIDU DAYI HEAVY IND CO LTD
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Patent Information

Application Number
CN202520305865.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-16
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

In existing screw conveyors, the part where the mounting shaft and the conveying trough are rotatably connected is close to the material, which makes it easy for material or impurities to enter the rotation gap, causing jamming, and cleaning takes a long time.

Method used

A rotating cylinder is installed at one end of the conveying trough, so that the rotating joint between the mounting shaft and the rotating cylinder is farther away from the inside of the conveying trough. The material is pushed into the conveying trough by the first spiral blade, preventing the material from entering the rotating joint. The inlet pipe is used for cleaning.

Benefits of technology

It reduces the chance of materials or impurities entering the rotating gap, reduces the occurrence of jamming, and improves cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a screw conveyer which comprises a conveying groove which is transversely and horizontally arranged, the conveying groove comprises a semicircular section and a box-type section located above the semicircular section, the end face of one end of the conveying groove is closed and fixedly connected with a rotating cylinder communicated with the semicircular section, and a discharging port is formed in the end face of the other end of the conveying groove. The end, close to the rotating cylinder, of the conveying groove is further fixedly connected with a feeding cylinder communicating with the conveying groove; the device further comprises a mounting shaft, the mounting shaft extends to the discharging port from the rotating cylinder, and the mounting shaft is further fixedly connected with a first spiral blade located in the rotating cylinder and a second spiral blade located in the conveying groove. The driver drives the mounting shaft to rotate, the first spiral blade is in sliding contact with the inner wall of the rotating cylinder, and the second spiral blade is in sliding contact with the inner wall of the semicircular section; the rotating cylinder is further fixedly connected with a guide-in pipe communicated with the rotating cylinder. The conveying device solves the problem that in the prior art, due to the fact that the portion, rotationally connected with a conveying groove, of an installation shaft is close to materials, the materials or impurities enter a rotating gap easily, and jamming is caused.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spiral conveyor equipment technical field especially relates to a spiral conveyor. BACKGROUND

[0002] Spiral conveyor is one of general conveying equipment, and the spiral conveyor comprises a conveying groove, a mounting shaft rotatably arranged in the conveying groove, a spiral blade fixedly arranged around the mounting shaft, and a driving motor arranged outside the conveying groove to drive the mounting shaft to rotate, material is put into the conveying groove from one end close to the driving motor, and then is pushed to the other end along the spiral blade, and is conveyed to the other end and then is guided out through the arranged discharge port. The part of the mounting shaft rotatably connected with the conveying groove (i.e., the sealing structure) is close to the material, and the material or impurities in the conveying groove is easy to enter the rotating gap to cause jamming, which needs to be disassembled and cleaned, usually for a long time and with low efficiency. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a spiral conveyor, which solves the problem that the part of the mounting shaft rotatably connected with the conveying groove is close to the material, and the material or impurities is easy to enter the rotating gap to cause jamming.

[0004] According to the embodiment of the utility model, a spiral conveyor comprises a horizontally lying conveying groove, the conveying groove comprises a semicircular segment and a box type segment above the semicircular segment, one end face of the conveying groove is closed and fixedly connected with a rotating cylinder in communication with the semicircular segment, the other end face is provided with a discharge port, and the conveying groove is further fixedly connected with a feeding cylinder in communication with the rotating cylinder on the one end close to the rotating cylinder; the spiral conveyor further comprises a mounting shaft, the mounting shaft extends from the rotating cylinder to the discharge port, and the mounting shaft is further fixedly connected with a first spiral blade in the rotating cylinder and a second spiral blade in the conveying groove; the spiral conveyor further comprises a driver for driving the mounting shaft to rotate, the first spiral blade is in sliding contact with the inner wall of the rotating cylinder, and the second spiral blade is in sliding contact with the inner wall of the semicircular segment; the rotating cylinder is further fixedly connected with a guide pipe in communication therewith. The rotating cylinder is arranged on the end face of the semicircular segment of the conveying groove, the mounting shaft is rotatably connected with the rotating cylinder, the rotating fit is far away from the conveying groove, and thus is far away from the material, and the first spiral blade further pushes towards the conveying groove during operation, so that the material or impurities is not easy to enter the rotating fit, the problem that the part of the mounting shaft rotatably connected with the conveying groove is close to the material, and the material or impurities is easy to enter the rotating gap to cause jamming in the prior art is solved, and the probability of jamming is lower.

[0005] Further, the driver comprises a driving motor and a speed reducer connected with the driving motor, and one end of the mounting shaft extends to outside of the rotating cylinder and is connected with the speed reducer.

[0006] Further, the first spiral blade and the second spiral blade have the same rotation direction.

[0007] Further, the top surface of the box-shaped section is fixedly provided with a top plate, the feeding cylinder is fixed with the top plate and is located above and below the top plate.

[0008] Further, the top plate is further provided with a plurality of openings arranged along the length direction of the mounting shaft, and each opening is detachably provided with a cover plate.

[0009] Further, the bottom of the conveying groove is further fixedly connected with a plurality of bases located at both ends and a middle section of the bottom, and the base has a U-shaped opening for the semicircular section to pass through.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] By arranging the rotating cylinder outside one end of the conveying groove, the rotating fit between the mounting shaft and the conveying groove is extended to between the rotating cylinder and the mounting shaft, so that the rotating fit is farther away from the conveying groove and farther away from the material, and the first spiral blade also pushes towards the conveying groove during operation, so that the material or impurities are not easy to enter the rotating fit, thereby solving the problem that the part of the mounting shaft and the conveying groove rotatingly connected in the prior art is close to the material, so that the material or impurities are easy to enter the rotating gap and cause jamming, and the probability of jamming is lower. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the utility model embodiment Figure 1 ;

[0013] Figure 2 is a schematic diagram of the overall structure of the utility model embodiment Figure 2 ;

[0014] Figure 3 is Figure 2 a partial structure enlarged schematic view of A in the utility model embodiment

[0015] Figure 4 is a conveying groove structure schematic view of the utility model embodiment

[0016] In the above drawings:

[0017] Conveying groove 1, semicircular section 2, box-shaped section 3, top plate 4, feeding cylinder 5, rotating cylinder 6, discharge port 7, mounting shaft 8, first spiral blade 9, second spiral blade 10, driving motor 11, speed reducer 12, inlet pipe 13, opening 14, cover plate 15, base 16. DETAILED DESCRIPTION

[0018] The technical solutions in the utility model will be further explained in connection with the drawings and examples.

[0019] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] In the exemplary embodiments, as Figures 1-4As shown, the embodiment provides a screw conveyor, which comprises a transversely lying conveying trough 1, the conveying trough 1 comprises a semicircular segment 2 and a box segment 3 above the semicircular segment 2, the top surface of the box segment 3 is further fixedly provided with a top plate 4, and the top plate 4 is further fixedly connected with a feeding cylinder 5 communicated with the conveying trough 1, so that the material can smoothly pass through the feeding cylinder 5 into the conveying trough 1, one end surface of the conveying trough 1 is closed and fixedly connected with a rotating cylinder 6 communicated with the semicircular segment 2, and the other end surface is provided with a discharge port 7; the screw conveyor further comprises a mounting shaft 8 extending from the rotating cylinder 6 to the discharge port 7, and the mounting shaft 8 is further fixedly connected with a first spiral blade 9 located in the rotating cylinder 6 and a second spiral blade 10 located in the conveying trough 1, the first spiral blade 9 and the second spiral blade 10 have the same rotation direction; the screw conveyor further comprises a driver driving the mounting shaft 8 to rotate, the driver specifically comprises a driving motor 11 and a speed reducer 12 connected therewith, one end of the mounting shaft 8 is rotatably extended out of the rotating cylinder 6 and connected with the speed reducer 12, that is, the rotating fit is transferred between the rotating cylinder 6 and the mounting shaft 8, so that the rotating fit is farther away from the conveying trough 1, and thus farther away from the material, further, the first spiral blade 9 is in sliding contact with the inner wall of the rotating cylinder 6, and the first spiral blade 9 also pushes towards the conveying trough 1 during operation, so that the material or impurities are not easy to enter the rotating fit, solving the problem that the part of the mounting shaft 8 rotatably connected with the conveying trough 1 is close to the material in the prior art, causing the material or impurities to easily enter the rotating gap and cause jamming, so that the probability of jamming is lower; further, the second spiral blade 10 is in sliding contact with the inner wall of the semicircular segment 2, the material put in is combed to move towards the other end under the pushing of the second spiral blade 10, and then is guided out through the discharge port 7; further, the rotating cylinder 6 is further fixedly connected with a guide pipe 13 communicated therewith, through which high-pressure air, cleaning water and other media can also be guided into the rotating cylinder 6, so as to clean the rotating cylinder 6 after the conveying operation is completed, ensuring that the material or impurities do not stay in the rotating cylinder 6.

[0021] In a further scheme, as shown in the drawings, Figures 1-4 The upper and lower ends of the feeding cylinder 5 are located above and below the top plate 4 respectively, so that the material can be smoothly put into the conveying trough 1, and the top plate 4 is further provided with a plurality of openings 14 arranged along the length direction of the mounting shaft 8, each opening 14 is detachably provided with a cover plate 15, the cover plate 15 is covered on the opening 14 and can be uncovered, and then the internal structure can be conveniently cleaned, and in more detail, the bottom of the conveying trough 1 is further fixedly connected with a plurality of bases 16 located at both ends and a middle segment, the base 16 has a U-shaped opening 14 for the semicircular segment 2 to pass through, and the base 16 provides more stable support for the conveying trough 1, ensuring stable operation of the screw conveyor.

[0022] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A screw conveyor, characterized in that, The system includes a horizontally positioned conveying trough, comprising a semicircular section and a box-shaped section above the semicircular section. One end face of the conveying trough is closed and fixedly connected to a rotating cylinder communicating with the semicircular section, while the other end face is provided with a discharge port. A feed cylinder communicating with the rotating cylinder is also fixedly connected to the end of the conveying trough near the rotating cylinder. The system also includes a mounting shaft extending from the rotating cylinder to the discharge port, and a first spiral blade located inside the rotating cylinder and a second spiral blade located inside the conveying trough are fixedly connected to the mounting shaft. Furthermore, the system includes a driver for rotating the mounting shaft. The first spiral blade slides in contact with the inner wall of the rotating cylinder, and the second spiral blade slides in contact with the inner wall of the semicircular section. An inlet pipe communicating with the rotating cylinder is also fixedly connected to the rotating cylinder.

2. The screw conveyor as described in claim 1, characterized in that, The driver includes a drive motor and a speed reducer connected thereto, and one end of the mounting shaft extends rotatably out of the rotating cylinder and is connected to the speed reducer.

3. A screw conveyor as described in claim 1, characterized in that, The first and second spiral blades have the same direction of rotation.

4. A screw conveyor as described in claim 1, characterized in that, The top surface of the box-type section is fixedly provided with a top plate, and the feed cylinder is fixed to the top plate with its upper and lower ends located above and below the top plate, respectively.

5. A screw conveyor as described in claim 4, characterized in that, The top plate is also provided with a plurality of openings arranged along the length of the mounting shaft, and each opening is detachably provided with a cover plate.

6. A screw conveyor as described in any one of claims 1-5, characterized in that, The bottom of the conveying trough is also fixedly connected to a number of bases located at its two ends and the middle section. The bases have U-shaped openings for the semi-circular section to pass through.