Spiral conveyor capable of adjusting conveying angle

Abstract

The utility model relates to a spiral conveyer, in particular to a spiral conveyer with an adjustable conveying angle, which comprises a spiral conveyer main body and a driving motor positioned at one end of the spiral conveyer main body. A feeding hopper is arranged at the end, close to the driving motor, of the upper portion of the spiral conveyor body, a dust remover is arranged on one side of the feeding hopper, a sliding lug is connected to the middle of the spiral conveyor body and connected with a fixed support, the fixed support is connected with the base, and the portions, located on the two sides of the sliding lug, of the spiral conveyor body are connected with a set of semicircular sliding rails. The end, away from the driving motor, of the spiral conveyor body is connected with a guide lug seat which is connected with a manual winch located on the base through a rigging. According to the spiral conveyor, the conveying angle can be adjusted at any time, and raised dust cannot be generated in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of screw conveyors, in particular to a screw conveyor with adjustable conveying angle. Background Art

[0002] The screw conveyor is a machine that uses a motor to drive the screw to rotate and push the material to achieve the purpose of conveying. It can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross-sectional area, good sealing, convenient operation, easy maintenance, and convenient closed transportation. It is widely used in various sectors of the national economy such as the grain industry, building materials industry, chemical industry, machinery manufacturing industry, and transportation industry. It is mainly used to convey various powdered, granular, and small block materials. The bulk materials conveyed include grains, beans, flour and other grain products, cement, clay, sand and other building materials, salts, alkalis, fertilizers and other chemicals, as well as coal, coke, ore and other bulk cargo. The working principle is that the rotating spiral blade pushes the material to be conveyed by the screw conveyor. The force that prevents the material from rotating with the screw conveyor blade is the weight of the material itself and the friction resistance of the screw conveyor casing to the material. The spiral blades welded on the rotating shaft of the screw conveyor have different surface shapes, such as solid surface, belt surface, and blade surface, depending on the conveyed material. The screw shaft of the screw conveyor has a thrust bearing at the end of the material movement direction to provide axial reaction force to the screw along with the material. When the machine is long, an intermediate hanging bearing should be added.

[0003] Existing screw conveyors are basically installed at fixed positions in process design to meet material transportation requirements. However, when industrial production requires temporary loading or unloading of screw conveyors, new equipment needs to be purchased and installed according to the on-site feeding and unloading positions. The workload is large, and because the conveying height is not necessarily the same each time, the installed equipment cannot be reused and the bracket needs to be remade. Utility Model Content

[0004] The problems existing in the current prior art are that the screw conveyor is installed in a fixed position. When the position of use needs to be changed, it can only be dismantled and reinstalled or installed after purchasing new equipment, resulting in low equipment utilization; after installation, there is no dust collection equipment on site, and the upper unloading is prone to dust pollution due to the impact of materials; after the screw conveyor is installed, the conveying angle is fixed and the feeding position is also fixed, which cannot meet the needs of conveying materials to different heights. Each time the conveying angle is adjusted, the original bracket needs to be dismantled, and the fixed bracket needs to be remade after the conveying angle is adjusted according to the needs, resulting in increased labor costs and material waste.

[0005] In response to the above problems, the present invention provides a screw conveyor with adjustable conveying angle. It adopts a movable and freely adjustable conveying angle structure, and the feeding position can also be adjusted according to actual conditions, so that a single screw conveyor can meet the needs of conveying materials to different heights without the need to disassemble and install and remake the fixed bracket. Dust collection equipment is also provided at the inlet and outlet of the equipment to prevent dust leakage and pollution of the environment.

[0006] Specifically, the utility model proposes the following technical solutions:

[0007] The utility model provides a screw conveyor with adjustable conveying angle, comprising a screw conveyor body 1 and a driving motor 30 located at one end of the screw conveyor body 1, characterized in that a feed hopper 2 is provided at one end of the upper part of the screw conveyor body 1 close to the driving motor 30, a dust collector 7 is provided on one side of the feed hopper 2, the feed hopper 2 and the dust collector 7 are both connected to a support frame 5, and the lower part of the support frame 5 is connected to a base 19 through a lifting hydraulic cylinder 21;

[0008] The middle of the screw conveyor body 1 is connected to a sliding ear seat 11, the sliding ear seat 11 is connected to a fixed support 12, the fixed support 12 is connected to a base 19, and the screw conveyor body 1 is connected to a set of semicircular slide rails 6 on both sides of the sliding ear seat 11;

[0009] One end of the screw conveyor body 1 away from the driving motor 30 is connected to a guide ear seat 17 , and the guide ear seat 17 is connected to a manual winch 18 located on a base 19 through rigging.

[0010] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the sliding ear seat 11 is connected to the lower shell 22 in the middle of the screw conveyor body 1.

[0011] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the sliding ear seat 11 is movably connected to the fixed support 12 thereunder via an ear seat connecting shaft 23 .

[0012] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the semicircular slide rail 6 is fixedly connected to the fixed support 12 located inside the semicircular slide rail 6 by stud bolts 27. Preferably, the screw conveyor with adjustable conveying angle is characterized in that the air inlet pipe of the dust collector 7 is divided into two paths, one of which is connected to the feed inlet dust hood 14, which is located at the upper part of the feed hopper 2, and the other is connected to the discharge port dust hood 16, which is located at the lower part of the discharge port 15.

[0013] Preferably, the screw conveyor with adjustable conveying angle is characterized in that a discharge valve 8 and a discharge expansion joint 9 are installed at the air outlet of the dust collector 7, and the discharge expansion joint 9 is connected to a dust collection and return port 10 located on the screw conveyor body 1.

[0014] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the feed hopper 2 is connected to the feed port 4 on the screw conveyor body 1 through a connecting pipe 3.

[0015] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the connecting pipe 3 is a retractable hard and soft connecting pipe.

[0016] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the fixed support 12 is composed of support plates 26 on both sides and one or more reinforcing rib plates 13 in the middle.

[0017] Preferably, the screw conveyor with adjustable conveying angle is characterized in that a copper sleeve 25 is installed in the hole where the sliding ear seat 11 contacts the ear seat connecting shaft 23, and in the hole where the fixed support 12 contacts the ear seat connecting shaft 23.

[0018] Preferably, the screw conveyor with adjustable conveying angle is characterized in that a positioning pin 28 is installed at the tail of one side of the ear seat connecting shaft 23, and the tail of the other side is fixed by a shaft shoulder.

[0019] Preferably, the screw conveyor with adjustable conveying angle is characterized in that a grease passage is provided inside the ear seat connecting shaft 23, the grease passage is connected to a grease nipple 24 on one side of the ear seat connecting shaft 23, and the grease passage has a grease overflow port at a portion of the ear seat connecting shaft 23 that contacts the sliding ear seat 11 and a portion that contacts the fixed support 12.

[0020] Preferably, the screw conveyor with adjustable conveying angle is characterized in that a roller 29 is installed at the lower part of the base 19.

[0021] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the oil tank 20 of the lifting hydraulic cylinder 21 is located at the top.

[0022] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the rigging connecting the guide ear seat 17 and the manual winch 18 is a steel wire rope.

[0023] Preferably, the screw conveyor with adjustable conveying angle is characterized in that the number of the lifting hydraulic cylinders 21 is four.

[0024] Beneficial effects of the utility model:

[0025] The utility model has a screw conveyor with adjustable conveying angle, and has a feed hopper on the upper part. The screw conveyor can adjust the conveying angle at any time, and the feed hopper can adjust the height as needed. The adjustment can be completed by a manual winch and a hydraulic cylinder, which is flexible, fast, economical and practical. In addition, the screw conveyor is provided with a dust collector, and no dust is generated during operation, which meets environmental protection requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the front view structure of the screw conveyor;

[0027] Figure 2 It is a right view structural diagram of the screw conveyor;

[0028] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0029] The markings in the figure are as follows: 1-screw conveyor body, 2-feed hopper, 3-connecting pipe, 4-feed port, 5-support frame, 6-semicircular slide rail, 7-dust collector, 8-discharge valve, 9-discharge expansion joint, 10-dust collection and return port, 11-sliding ear seat, 12-fixed support, 13-reinforcement rib plate, 14-feed port dust cover, 15-discharge port, 16-discharge port dust cover, 17-guide ear seat, 18-manual winch, 19-base, 20-oil tank, 21-lifting hydraulic cylinder, 22-lower shell, 23-ear seat connecting shaft, 24-butter nozzle, 25-copper sleeve, 26-support plate, 27-stud bolt, 28-locating pin, 29-roller, 30-drive motor. DETAILED DESCRIPTION

[0030] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the patent, and cannot be understood as limiting the patent.

[0031] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0032] In a specific embodiment of the utility model, the utility model provides a screw conveyor with adjustable conveying angle, including a screw conveyor body 1 and a drive motor 30 located at one end of the screw conveyor body 1, a feed hopper 2 is provided at one end of the upper part of the screw conveyor body 1 close to the drive motor 30, a dust collector 7 is provided on one side of the feed hopper 2, the feed hopper 2 and the dust collector 7 are both connected to a support frame 5, and the lower part of the support frame 5 is connected to the base 19 through a lifting hydraulic cylinder 21;

[0033] The middle of the screw conveyor body 1 is connected to a sliding ear seat 11, the sliding ear seat 11 is connected to a fixed support 12, the fixed support 12 is connected to a base 19, and the screw conveyor body 1 is connected to a set of semicircular slide rails 6 on both sides of the sliding ear seat 11;

[0034] One end of the screw conveyor body 1 away from the driving motor 30 is connected to a guide ear seat 17 , and the guide ear seat 17 is connected to a manual winch 18 located on a base 19 through rigging.

[0035] The sliding ear seat 11 is connected to the lower shell 22 in the middle of the screw conveyor body 1.

[0036] The sliding ear seat 11 is movably connected to the fixed support 12 below it through the ear seat connecting shaft 23.

[0037] The semicircular slide rail 6 is fixedly connected to the fixed support 12 located inside the semicircular slide rail 6 via stud bolts 27 .

[0038] Since the fixed support 12 is arranged in the middle of the screw conveyor body 1, under normal circumstances, the center of gravity of the screw conveyor will be biased toward the side where the drive motor 30 is installed. When the conveying angle of the screw conveyor needs to be adjusted, first remove the stud bolt 27 fixed between the semicircular slide rail 6 and the fixed support 12, and then operate the handle of the manual winch 18 placed on the base 19 to pull the guide ear seat 17. When the screw conveyor is subjected to force, it will rotate on the ear seat connecting shaft 23 through the sliding ear seat 11, causing the conveying angle to change within 0-90 degrees. After adjusting the angle according to actual needs, the stud bolts 27 are passed through the semicircular slide rails 6 on both sides and the lower holes of the fixed support 12, and then tightened with nuts, and the screw conveyor is fixed and cannot rotate. After the conveyor is fixed, the height of the feed hopper 2 can be adjusted as needed. The adjustment only requires operating the handle on the hydraulic cylinder oil tank 20 to move the piston rods of the four lifting hydraulic cylinders 21 up and down to achieve the purpose of lifting the feed hopper 2. When it is necessary to adjust the conveying angle of the screw conveyor or the hopper height again, just repeat the above steps.

[0039] In a specific embodiment of the present invention, the air inlet pipe of the dust collector 7 is divided into two paths, one of which is connected to the feed inlet dust collecting hood 14, which is located at the upper part of the feed hopper 2, and the other is connected to the discharge port dust collecting hood 16, which is located at the lower part of the discharge port 15. The air outlet of the dust collector 7 is installed with a discharge valve 8 and a discharge expansion joint 9, and the discharge expansion joint 9 is connected to the dust collection return port 10 located at the screw conveyor body 1.

[0040] When the screw conveyor is working, the dust collector 7 should be turned on at the same time to collect dust from the feed hopper 2 and the discharge port 15 under negative pressure to avoid pollution on site.

[0041] In a specific embodiment of the present utility model, the feed hopper 2 is connected to the feed port 4 on the screw conveyor body 1 through a connecting pipe 3, and the connecting pipe 3 is a retractable hard and soft connecting pipe.

[0042] The retractable hard flexible connecting pipe can be freely retracted to a certain length to meet the material unloading demand after the position of the feed port 4 of the screw conveyor changes, so that the feed position can also be adjusted according to actual conditions.

[0043] In a specific embodiment of the present invention, a copper sleeve 25 is installed in the hole where the sliding ear seat 11 contacts the ear seat connecting shaft 23 , and in the hole where the fixed support 12 contacts the ear seat connecting shaft 23 .

[0044] The copper sleeve is to protect the hole from wear. After the copper sleeve is worn, it can be directly replaced, which is economical and convenient. If the hole is worn, it needs to be welded and then machined, which is more complicated.

[0045] In a specific embodiment of the present invention, a grease passage is provided inside the ear seat connecting shaft 23, and the grease passage is connected to a grease nipple 24 on one side of the ear seat connecting shaft 23. The grease passage has a grease overflow port at a portion of the ear seat connecting shaft 23 that contacts the sliding ear seat 11 and a portion that contacts the fixed support 12.

[0046] The lubrication of the ear seat connecting shaft 23 and the copper sleeve 25 can be ensured by pressing grease into the grease nipple 24, so as to ensure flexibility and no jamming during operation.

[0047] In a specific implementation of the present invention, a roller 29 is installed at the lower part of the base 19 .

[0048] By installing the screw conveyor on the base 19, and providing a roller 29 at the lower part of the base 19, the free movement of the whole set of equipment can be ensured.

[0049] Example 1

[0050] like Figure 1-3 As shown, Figure 1 This is a schematic diagram of the front view of the screw conveyor structure. Figure 2 This is a right view of the screw conveyor structure. Figure 3 for Figure 2 Enlarged structural diagram at A in the middle.

[0051] The screw conveyor with adjustable conveying angle comprises a screw conveyor body 1 and a driving motor 30 located at one end of the screw conveyor body 1, a feed hopper 2 is provided at one end of the upper part of the screw conveyor body 1 close to the driving motor 30, a dust collector 7 is provided on one side of the feed hopper 2, the feed hopper 2 and the dust collector 7 are both connected to a support frame 5, and the lower part of the support frame 5 is connected to a base 19 through a lifting hydraulic cylinder 21;

[0052] The middle of the screw conveyor body 1 is connected to a sliding ear seat 11, the sliding ear seat 11 is connected to a fixed support 12, the fixed support 12 is connected to a base 19, and the screw conveyor body 1 is connected to a set of semicircular slide rails 6 on both sides of the sliding ear seat 11;

[0053] One end of the screw conveyor body 1 away from the driving motor 30 is connected to a guide ear seat 17 , and the guide ear seat 17 is connected to a manual winch 18 located on a base 19 through rigging.

[0054] The sliding ear seat 11 is connected to the lower shell 22 in the middle of the screw conveyor body 1.

[0055] The sliding ear seat 11 is movably connected to the fixed support 12 below it through the ear seat connecting shaft 23.

[0056] The semicircular slide rail 6 is fixedly connected to the fixed support 12 located inside the semicircular slide rail 6 via stud bolts 27 .

[0057] Example 2

[0058] The difference between the present embodiment 2 and the embodiment 1 is that the air inlet pipe of the dust collector 7 of the screw conveyor with adjustable conveying angle is divided into two paths, one of which is connected to the feed inlet dust collecting hood 14, which is located at the upper part of the feed hopper 2, and the other is connected to the discharge port dust collecting hood 16, which is located at the lower part of the discharge port 15. The air outlet of the dust collector 7 is installed with a discharge valve 8 and a discharge expansion joint 9, and the discharge expansion joint 9 is connected to the dust collection return port 10 located at the screw conveyor body 1.

[0059] In Example 2, a positioning pin 28 is installed at the tail of one side of the ear seat connecting shaft 23, and the tail of the other side is fixed by the shaft shoulder. A copper sleeve 25 is installed in the hole where the sliding ear seat 11 contacts the ear seat connecting shaft 23, and in the hole where the fixed support 12 contacts the ear seat connecting shaft 23. A grease passage is provided inside the ear seat connecting shaft 23, and the grease passage is connected to a grease nipple 24 on one side of the ear seat connecting shaft 23. The grease passage has a grease overflow port at the part of the ear seat connecting shaft 23 that contacts the sliding ear seat 11 and the part that contacts the fixed support 12.

[0060] In Example 2, the feed hopper 2 is connected to the feed port 4 on the screw conveyor body 1 through a connecting pipe 3, and the connecting pipe 3 is a retractable hard soft connecting pipe. The fixed support 12 is composed of support plates 26 on both sides and one or more reinforcing rib plates 13 in the middle. There are four lifting hydraulic cylinders 21, and the oil tank 20 of the lifting hydraulic cylinder 21 is located on the base 19. The lower part of the base 19 is installed with a roller 29.

[0061] The screw conveyor is mobile and has the function of adjusting the conveying angle. It is flexible and convenient to use. There is no dust pollution on the site during operation, which is green and environmentally friendly. After completing a period of work on site, if materials need to be transported to other locations, it can be moved to the required location in time and the conveying angle and feed hopper height can be adjusted according to the site needs. It is practical and efficient.

[0062] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A screw conveyor with adjustable conveying angle, comprising a screw conveyor body (1) and a drive motor (30) located at one end of the screw conveyor body (1), characterized in that: A feed hopper (2) is provided at one end of the upper part of the screw conveyor body (1) close to the driving motor (30), a dust collector (7) is provided on one side of the feed hopper (2), the feed hopper (2) and the dust collector (7) are both connected to a support frame (5), and the lower part of the support frame (5) is connected to the base (19) via a lifting hydraulic cylinder (21); The middle part of the screw conveyor body (1) is connected to a sliding ear seat (11), the sliding ear seat (11) is connected to a fixed support (12), the fixed support (12) is connected to a base (19), and the screw conveyor body (1) is located on both sides of the sliding ear seat (11) and connected to a group of semicircular slide rails (6); One end of the screw conveyor body (1) away from the driving motor (30) is connected to a guide ear seat (17), and the guide ear seat (17) is connected to a manual winch (18) located on a base (19) via a rigging.

2. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The sliding ear seat (11) is connected to the lower shell (22) in the middle of the screw conveyor body (1).

3. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The sliding ear seat (11) is movably connected to the fixed support (12) below it via an ear seat connecting shaft (23).

4. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The semicircular slide rail (6) is fixedly connected to a fixed support (12) located inside the semicircular slide rail (6) via stud bolts (27).

5. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The air inlet pipe of the dust collector (7) is divided into two paths, one of which is connected to the feed inlet dust collecting hood (14), which is located at the upper part of the feed hopper (2), and the other is connected to the discharge outlet dust collecting hood (16), which is located at the lower part of the discharge outlet (15).

6. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The air outlet of the dust collector (7) is equipped with a discharge valve (8) and a discharge expansion joint (9), and the discharge expansion joint (9) is connected to a dust collection and return port (10) located on the screw conveyor body (1).

7. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The feed hopper (2) is connected to the feed port (4) on the screw conveyor body (1) via a connecting pipe (3).

8. The screw conveyor with adjustable conveying angle according to claim 7, characterized in that: The connecting pipe (3) is a retractable hard and soft connecting pipe.

9. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The fixed support (12) is composed of support plates (26) on both sides and one or more reinforcing rib plates (13) in the middle.

10. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: A copper sleeve (25) is installed in a hole where the sliding ear seat (11) contacts the ear seat connecting shaft (23), and in a hole where the fixed support (12) contacts the ear seat connecting shaft (23).

11. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: A positioning pin (28) is installed at one end of the ear seat connecting shaft (23), and the other end is fixed by a shaft shoulder.

12. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: A grease passage is provided inside the ear seat connecting shaft (23), the grease passage is connected to a grease nipple (24) on one side of the ear seat connecting shaft (23), and the grease passage has a grease overflow port at a portion of the ear seat connecting shaft (23) that contacts the sliding ear seat (11) and a portion that contacts the fixed support (12).

13. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: A roller (29) is installed at the lower part of the base (19).

14. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The oil tank (20) of the lifting hydraulic cylinder (21) is located on the base (19).

15. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: The rigging for connecting the guide ear seat (17) with the manual winch (18) is a steel wire rope.

16. The screw conveyor with adjustable conveying angle according to claim 1, characterized in that: There are four lifting hydraulic cylinders (21).

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