Mineral aggregate conveying device for phosphorite beneficiation

Abstract

The utility model relates to the technical field of phosphorite beneficiation, and discloses a mineral aggregate conveying device for phosphorite beneficiation, which comprises a main body frame, and a second conveying belt is arranged in the front end of the main body frame. When the mineral aggregate conveying device for phosphorite beneficiation is used, the first mounting frame and the second mounting frame can be turned leftwards and rightwards to be in butt joint, aligned and communicated with the two sides of the main body frame, and then bolts penetrate through the interior of the connecting frame and are inserted into the insertion holes; the first mounting frame and the second mounting frame can be locked on the two sides of the main body frame, a first conveying belt and a third conveying belt are used in cooperation with a second conveying belt, the conveying and using length of the conveying device can be lengthened and adjusted, and the left side or the right side can be flexibly selected to be independently adjusted and lengthened for long-distance transferring and conveying of mineral aggregates; or the two sides are adjusted and extended at the same time, and the problem that the conveying use length of the conveying device is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of phosphate ore dressing, in particular to a ore material conveying device for phosphate ore dressing. Background Art

[0002] Phosphate ore refers to ore containing phosphorus. Phosphorus is an important chemical raw material and an essential element for the growth of crops. Industrial phosphorus must be extracted from phosphate ore in large quantities. After the phosphate ore is mined, some silt, dust and impurities will be attached to the outside of the mined phosphate ore. Some ore screening and impurity removal devices will be used to screen and remove impurities from the mined phosphate ore. After the phosphate ore is screened, in order to facilitate the transfer and output of the screened phosphate ore, a ore conveying device for phosphate ore dressing is needed.

[0003] According to a mineral material conveyor disclosed in patent No. CN202120323374.2, the calcium carbonate ore is turned over while the calcium carbonate ore is flushed with water by a stirring rod on a stirring paddle, so that the calcium carbonate ore is fully cleaned. Water diversion troughs are fixedly connected on both sides of the bottom plate to enable the water flowing out of the washing trough to flow back to a predetermined place, thereby improving the work efficiency of water washing and impurity removal of calcium carbonate ore.

[0004] However, during the transportation process, the above-mentioned mineral conveyor aims to achieve long-distance transportation of minerals by extending the length of the conveying component. However, the extended conveying component will have the problem of occupying a large area, and the length of the extended conveying component cannot be adjusted. It can only be used for transportation in some large space occasions, and cannot be used for transportation of minerals in some small space areas. There are deficiencies, and there is no measure to adjust the transportation length of the conveying device.

[0005] Now, a novel ore conveying device for phosphate ore dressing is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0006] The utility model aims to provide a ore conveying device for phosphate ore dressing, so as to solve the problem that it is inconvenient to adjust the conveying length of the conveying device proposed in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ore conveying device for phosphate ore beneficiation, comprising a main frame, a second conveying belt is installed inside the front end of the main frame, a second reduction motor is fixedly installed on the left side of the top of the main frame, and length adjustment structures for adjusting the conveying length of the conveying device are arranged on both sides of the main frame;

[0008] The length adjustment structure includes a first mounting frame, a first conveyor belt, a first reduction motor, a second fixed frame, a first connecting foot, a second mounting frame, a third conveyor belt, a third reduction motor, a first fixed frame, a second connecting foot, a support, a connecting frame, a jack, a latch and a fixing foot. The first mounting frame is arranged on the left side of the main frame, and the first conveyor belt is arranged inside the front end of the first mounting frame. The first reduction motor is fixedly installed on the left side of the top end of the first mounting frame. The first fixing frame is respectively welded and fixed at both ends of the left side of the bottom of the main frame, and the second connecting foot is respectively welded and fixed at both ends of the right side of the bottom of the first mounting frame. The second mounting frame is arranged on the right side of the main frame. A third conveyor belt is installed inside the front end of the second mounting frame, first connecting feet are welded and fixed at both ends of the left side of the top of the second mounting frame, a third reduction motor is installed and fixed on the right side of the bottom end of the second mounting frame, second fixing frames are welded and fixed at both ends of the right side of the top of the main frame, supports are welded and fixed at the rear ends of the first mounting frame and the second mounting frame, fixed feet are welded and fixed on both sides of the rear end of the main frame, plug holes are respectively provided in the inside of the left side of the fixed foot on the left and the inside of the right side of the fixed foot on the right, connecting frames are welded and fixed on the right side of the support on the left and the left side of the support on the right, and pins are inserted in the inside of the connecting frames.

[0009] Furthermore, the right side of the second connecting leg is hingedly connected to the inside of the first fixing frame, the left side of the first connecting leg is hingedly connected to the inside of the second fixing frame, and the first mounting frame and the second mounting frame are symmetrically arranged about the vertical center line of the main frame.

[0010] Furthermore, the insertion hole passes through the interior of the fixed leg, the latch passes through the interior of the connecting frame, and the support and the fixed leg are symmetrically arranged with respect to the vertical center line of the main frame.

[0011] Preferably, brackets are symmetrically arranged at the top and bottom ends of the first mounting frame, the main frame and the second mounting frame, and rollers are movably connected inside the brackets, two groups of screws are fixed to the top of the bracket at the top and the bottom of the bracket at the bottom, respectively, a plurality of groups of inner holes are evenly spaced inside the top and bottom ends of the first mounting frame, the main frame and the second mounting frame, and the inner holes pass through the top and bottom ends of the first mounting frame, the main frame and the second mounting frame, a plurality of groups of locking rings are evenly spaced at the top and bottom ends of the first mounting frame, the main frame and the second mounting frame, and a plurality of groups of rollers and brackets are evenly spaced at the top and bottom ends of the first mounting frame, the main frame and the second mounting frame.

[0012] Furthermore, the screw rod passes through the interior of the inner hole, and the locking ring is threadedly rotatably connected to the exterior of the screw rod.

[0013] Preferably, a plurality of groups of first convex strips are fixed at equal intervals on the top ends of the outside of the first conveyor belt, the second conveyor belt and the third conveyor belt, a plurality of groups of third convex strips are fixed at equal intervals on the bottom ends of the outside of the first conveyor belt, the second conveyor belt and the third conveyor belt, and a plurality of groups of second convex strips are fixed at equal intervals at the middle positions of the outside of the first conveyor belt, the second conveyor belt and the third conveyor belt.

[0014] Furthermore, the first convex strip, the second convex strip and the third convex strip are made of rubber material.

[0015] Preferably, support legs are fixed to the four corners of the rear end of the main frame respectively, and a through slot is provided inside the rear end of the main frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the ore conveying device for phosphate ore dressing not only realizes the convenience of adjusting the conveying length of the conveying device, realizes the convenience of anti-wear of the inner side of the conveying component, but also realizes the convenience of anti-slip conveying of the selected phosphate ore;

[0017] By providing a first mounting frame, a first conveyor belt, a first reduction motor, a second reduction motor, a main frame, a second conveyor belt, a second fixed frame, a first connecting foot, a second mounting frame, a third conveyor belt, a third reduction motor, a first fixed frame, a second connecting foot, a support, a connecting frame, a jack, a latch and a fixed foot, when the conveying device is used to convey the phosphate ore material screened and removed from impurities, the first mounting frame and the second mounting frame can be respectively flipped to the left and right by means of hinged connection at the left side of the bottom end and the right side of the top end of the main frame to be connected and aligned with the two sides of the main frame, and the connecting frames fixed on the rear end supports of the first mounting frame and the second mounting frame will be inserted into the corresponding On the fixed foot, the pin is then used to penetrate the inside of the connecting frame and inserted into the inside of the socket, so that the first mounting frame and the second mounting frame can be locked at the two sides of the main frame, and then the first reduction motor and the third reduction motor are controlled to drive the first conveyor belt and the third conveyor belt to rotate rightward inside the first mounting frame and the second mounting frame respectively. When used in conjunction with the second conveyor belt, the conveying length of the conveying device can be extended and adjusted, and the phosphate rock can be transferred and transported over a long distance. When in use, the left or right position can be flexibly selected for separate adjustment and extension according to the size of the space, or both sides can be adjusted and extended at the same time, so as to facilitate the adjustment of the conveying length of the conveying device;

[0018] By providing a first mounting frame, a main frame, a second mounting frame, a roller, a bracket, a locking ring, a screw and an inner hole, when the conveying device is used to convey the screened phosphate ore, after the ore is introduced into the conveying component inside the device, the conveying component drives the ore to be conveyed and output to the right. At the same time, when the ore is conveyed inside the device, multiple groups of brackets are fixed at equal intervals at the top and bottom ends of the first mounting frame, the main frame and the second mounting frame. The movable roller inside the bracket can assist the sliding conveyance of the ore when the ore contacts the inner wall of the device, thereby reducing and avoiding the direct contact of the ore with the inner wall of the device during transportation, and deformation damage caused by friction, collision and knock on the inner wall, and facilitating the wear prevention of the inner side of the conveying component.

[0019] By providing a first mounting frame, a first conveyor belt, a main frame, a second conveyor belt, a second mounting frame, a third conveyor belt, a first convex strip, a second convex strip and a third convex strip, when the conveying device is used to convey the screened phosphate ore, multiple groups of third conveyor belts, first convex strips and second convex strips are fixed at equal intervals outside the first conveyor belt, the second conveyor belt and the third conveyor belt respectively, so as to improve the surface friction of the conveying components inside the conveying device, reduce the slippage of the phosphate ore on the conveying device, and improve the conveying efficiency of the phosphate ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the support structure of the utility model when viewed from above;

[0022] Figure 3 This is a side structural schematic diagram of the main frame of the utility model;

[0023] Figure 4 It is a side view enlarged structural schematic diagram of the bracket of the utility model;

[0024] Figure 5 It is a front view structural schematic diagram of the roller of the present utility model.

[0025] In the figure: 1. first mounting frame; 2. first conveyor belt; 3. first reduction motor; 4. second reduction motor; 5. main frame; 6. second conveyor belt; 7. second fixed frame; 8. first connecting foot; 9. second mounting frame; 10. third conveyor belt; 11. first convex strip; 12. second convex strip; 13. third convex strip; 14. third reduction motor; 15. first fixed frame; 16. second connecting foot; 17. roller; 18. bracket; 19. support; 20. connecting frame; 21. socket; 22. latch; 23. fixing foot; 24. locking ring; 25. screw; 26. inner hole; 27. supporting leg. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0027] See also Figure 1-5 A material conveying device for phosphate ore dressing, comprising a main frame 5, a second conveying belt 6 is installed inside the front end of the main frame 5, a second reduction motor 4 is fixedly installed on the left side of the top of the main frame 5, and length adjustment structures for adjusting the conveying length of the conveying device are arranged on both sides of the main frame 5;

[0028] The length adjustment structure includes a first mounting frame 1, a first conveyor belt 2, a first reduction motor 3, a second fixed frame 7, a first connecting foot 8, a second mounting frame 9, a third conveyor belt 10, a third reduction motor 14, a first fixed frame 15, a second connecting foot 16, a support 19, a connecting frame 20, a jack 21, a latch 22 and a fixed foot 23. The first mounting frame 1 is arranged on the left side of the main frame 5, and the first conveyor belt 2 is installed inside the front end of the first mounting frame 1, the first reduction motor 3 is fixedly installed on the left side of the top of the first mounting frame 1, the first fixed frame 15 is respectively welded and fixed at both ends of the left side of the bottom of the main frame 5, the second connecting foot 16 is respectively welded and fixed at both ends of the right side of the bottom of the first mounting frame 1, and the first A second mounting frame 9, and a third conveyor belt 10 is installed inside the front end of the second mounting frame 9, first connecting legs 8 are welded and fixed at both ends of the left side of the top of the second mounting frame 9, a third reduction motor 14 is installed and fixed on the right side of the bottom end of the second mounting frame 9, second fixing frames 7 are welded and fixed at both ends of the right side of the top of the main frame 5, supports 19 are welded and fixed at the rear ends of the first mounting frame 1 and the second mounting frame 9, fixed legs 23 are welded and fixed on both sides of the rear end of the main frame 5, and sockets 21 are respectively provided inside the left side of the left fixed leg 23 and inside the right side of the right fixed leg 23, connecting frames 20 are welded and fixed on the right side of the left support 19 and the left side of the right support 19, and a latch 22 is inserted inside the connecting frame 20;

[0029] The right side of the second connecting leg 16 is hingedly connected to the inside of the first fixing frame 15, the left side of the first connecting leg 8 is hingedly connected to the inside of the second fixing frame 7, the first mounting frame 1 and the second mounting frame 9 are symmetrically arranged about the vertical center line of the main frame 5, the plug hole 21 passes through the inside of the fixing leg 23, the latch 22 passes through the inside of the connecting frame 20, and the support 19 and the fixing leg 23 are symmetrically arranged about the vertical center line of the main frame 5;

[0030] Specifically, Figure 1-Figure 3 As shown, the first mounting frame 1 and the second mounting frame 9 can be respectively flipped to the left and right by hinge connection at the left side of the bottom end and the right side of the top end of the main frame 5 to be connected and aligned with the two sides of the main frame 5. After that, the connecting frame 20 fixed on the rear end support 19 of the first mounting frame 1 and the second mounting frame 9 will be correspondingly inserted into the fixed foot 23, and then the pin 22 is used to penetrate the inside of the connecting frame 20 and inserted into the inside of the socket 21, so that the first mounting frame 1 and the second mounting frame 9 can be locked at the two side positions of the main frame 5, and then the first reduction motor 3 and the third reduction motor 1 can be controlled. The first conveyor belt 2 and the third conveyor belt 10 are driven to rotate rightward inside the first mounting frame 1 and the second mounting frame 9 respectively. When used in conjunction with the second conveyor belt 6, the conveying length of the conveying device can be extended and adjusted, and the phosphate rock can be transferred and transported over a long distance. When in use, the left or right position can be flexibly selected for separate adjustment and extension according to the size of the space, or both sides can be adjusted and extended at the same time. When the conveying length does not need to be extended, the first mounting frame 1 and the second mounting frame 9 can be rotated and stored outside the main frame 5 respectively, so as to facilitate the adjustment of the conveying length of the conveying device. Example 2

[0031] The top and bottom ends of the first mounting frame 1, the main frame 5, and the second mounting frame 9 are symmetrically provided with brackets 18, and the inside of the brackets 18 is movably connected with rollers 17, and two groups of screws 25 are fixed to the top of the top bracket 18 and the bottom of the bottom bracket 18, respectively. The top and bottom ends of the first mounting frame 1, the main frame 5, and the second mounting frame 9 are respectively provided with multiple groups of inner holes 26 at equal intervals, and the inner holes 26 penetrate the top and bottom ends of the first mounting frame 1, the main frame 5, and the second mounting frame 9, respectively. The top and bottom ends of the first mounting frame 1, the main frame 5, and the second mounting frame 9 are respectively provided with multiple groups of locking rings 24 at equal intervals, and the rollers 17 and brackets 18 are respectively provided with multiple groups of equal intervals at the top and bottom ends of the first mounting frame 1, the main frame 5, and the second mounting frame 9;

[0032] The screw rod 25 passes through the inner hole 26, and the lock ring 24 is threadedly connected to the outside of the screw rod 25;

[0033] Specifically, Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, after the mineral material is introduced into the conveying assembly inside the device, the conveying assembly drives the mineral material to be conveyed and output to the right. At the same time, when the mineral material is conveyed and used inside the introduction device, multiple groups of brackets 18 are installed and fixed at equal intervals at the top and bottom ends of the first mounting frame 1, the main frame 5 and the second mounting frame 9. The movable roller 17 inside the bracket 18 can assist the sliding conveyance of the mineral material when the mineral material contacts the inner wall of the device, thereby reducing and avoiding direct contact of the mineral material with the inner wall of the device during transportation, deformation damage caused by friction, collision and bumping of the inner wall, and preventing wear on the inner side of the conveying assembly. Example 3

[0034] Multiple groups of first convex strips 11 are fixed at equal intervals on the top ends of the first conveyor belt 2, the second conveyor belt 6 and the third conveyor belt 10, multiple groups of third convex strips 13 are fixed at equal intervals on the bottom ends of the first conveyor belt 2, the second conveyor belt 6 and the third conveyor belt 10, multiple groups of second convex strips 12 are fixed at equal intervals at the middle positions of the first conveyor belt 2, the second conveyor belt 6 and the third conveyor belt 10, and the first convex strips 11, the second convex strips 12 and the third convex strips 13 are made of rubber;

[0035] Specifically, Figure 1 and Figure 3 As shown, when the screened phosphate rock is transported, multiple groups of third conveyor belts 10, first convex strips 11 and second convex strips 12 are fixed at equal intervals outside the first conveyor belt 2, the second conveyor belt 6 and the third conveyor belt 10, respectively, so as to improve the surface friction of the conveying components inside the conveying device and reduce the slippage of the phosphate rock during transportation on the conveying device.

[0036] Support legs 27 are fixed to the four corners of the rear end of the main frame 5 , and a through slot is formed inside the rear end of the main frame 5 .

[0037] Working principle: When the conveying device of the utility model is used to convey the phosphate rock materials that have been screened and removed, the first mounting frame 1 and the second mounting frame 9 can be respectively flipped to the left and right by means of hinged connection at the left side of the bottom end and the right side of the top end of the main frame 5 to be connected and aligned with the two sides of the main frame 5. After that, the connecting frame 20 fixed on the rear end support 19 of the first mounting frame 1 and the second mounting frame 9 will be correspondingly inserted into the fixed foot 23, and then the pin 22 is used to penetrate the inside of the connecting frame 20 and insert it into the inside of the socket 21, so that the first mounting frame 1 and the second mounting frame 9 can be locked on both sides of the main frame 5, and then the first reduction motor 3 and the third reduction motor 14 are controlled to drive the first conveyor belt 2 and the third conveyor belt 10 to rotate to the right inside the first mounting frame 1 and the second mounting frame 9 respectively, and the second conveyor belt 6 can be used to extend the conveying length of the conveying device to adjust the length of the phosphate rock. The conveying device is used to convey the screened phosphate ore. After the ore is introduced into the conveying assembly inside the device, the conveying assembly drives the ore to be conveyed and output to the right. At the same time, when the ore is transported inside the device, multiple groups of brackets 18 are fixed at equal intervals on the top and bottom ends of the first mounting frame 1, the main frame 5 and the second mounting frame 9. The movable roller 17 inside the bracket 18 can assist the sliding conveying of the ore when the ore contacts the inner wall of the device, and the inner side of the conveying assembly is prevented from wear. When the conveying device is used to convey the screened phosphate ore, multiple groups of third conveyor belts 10, first convex strips 11 and second convex strips 12 are fixed at equal intervals on the outside of the first conveyor belt 2, the second conveyor belt 6 and the third conveyor belt 10, respectively, which can improve the surface friction of the conveying assembly inside the conveying device and reduce the slippage of the phosphate ore on the conveying device.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A material conveying device for phosphate ore beneficiation, comprising a main frame (5), characterized in that: A second conveyor belt (6) is installed inside the front end of the main frame (5), a second reduction motor (4) is fixedly installed on the left side of the top end of the main frame (5), and length adjustment structures for adjusting the conveying length of the conveying device are arranged on both sides of the main frame (5); The length adjustment structure comprises a first mounting frame (1), a first conveyor belt (2), a first reduction motor (3), a second fixing frame (7), a first connecting leg (8), a second mounting frame (9), a third conveyor belt (10), a third reduction motor (14), a first fixing frame (15), a second connecting leg (16), a support (19), a connecting frame (20), a plug hole (21), a latch (22) and a fixing leg (23); the first mounting frame (1) is arranged on the left side of the main frame (5), and the first conveyor belt (2) is arranged inside the front end of the first mounting frame (1); the first reduction motor (3) is fixedly installed on the left side of the top end of the first mounting frame (1); the first fixing frame (15) is respectively welded and fixedly arranged at two ends of the left side of the bottom of the main frame (5); the second connecting leg (16) is respectively welded and fixedly arranged at two ends of the right side of the bottom of the first mounting frame (1); the right side of the main frame (5) is provided with a A second mounting frame (9) is provided, and a third conveyor belt (10) is installed inside the front end of the second mounting frame (9), first connecting legs (8) are respectively welded and fixed at both ends of the left side of the top of the second mounting frame (9), a third reduction motor (14) is installed and fixed on the right side of the bottom end of the second mounting frame (9), second fixing frames (7) are respectively welded and fixed at both ends of the right side of the top of the main frame (5), a support (19) is respectively welded and fixed at the rear ends of the first mounting frame (1) and the second mounting frame (9), fixing legs (23) are respectively welded and fixed at both sides of the rear end of the main frame (5), a socket (21) is respectively provided inside the left side of the left fixing leg (23) and inside the right side of the right fixing leg (23), a connecting frame (20) is respectively welded and fixed on the right side of the left support (19) and the left side of the right support (19), and a latch (22) is inserted inside the connecting frame (20).

2. The ore conveying device for phosphate ore dressing according to claim 1 is characterized in that: The right side of the second connecting leg (16) is hingedly connected to the inside of the first fixing frame (15), the left side of the first connecting leg (8) is hingedly connected to the inside of the second fixing frame (7), and the first mounting frame (1) and the second mounting frame (9) are symmetrically arranged with respect to the vertical center line of the main frame (5).

3. The ore conveying device for phosphate ore dressing according to claim 1 is characterized in that: The insertion hole (21) passes through the interior of the fixed foot (23), the latch (22) passes through the interior of the connecting frame (20), and the support (19) and the fixed foot (23) are symmetrically arranged with respect to a vertical center line of the main frame (5).

4. The ore conveying device for phosphate ore dressing according to claim 1 is characterized in that: The top and bottom ends of the first mounting frame (1), the main frame (5) and the second mounting frame (9) are symmetrically provided with brackets (18), and the inside of the brackets (18) are movably connected with rollers (17), and two groups of screw rods (25) are fixed to the top of the top bracket (18) and the bottom of the bottom bracket (18) respectively, and the top and bottom ends of the first mounting frame (1), the main frame (5) and the second mounting frame (9) are respectively provided with multiple groups of inner holes (26) at equal intervals, and the inner holes (26) respectively penetrate the top and bottom ends of the first mounting frame (1), the main frame (5) and the second mounting frame (9), and the top and bottom ends of the first mounting frame (1), the main frame (5) and the second mounting frame (9) are respectively provided with multiple groups of locking rings (24) at equal intervals, and the rollers (17) and brackets (18) are respectively provided with multiple groups of equal intervals at the top and bottom ends of the first mounting frame (1), the main frame (5) and the second mounting frame (9).

5. The ore conveying device for phosphate ore dressing according to claim 4 is characterized in that: The screw rod (25) passes through the interior of the inner hole (26), and the locking ring (24) is threadably connected to the exterior of the screw rod (25).

6. The ore conveying device for phosphate ore dressing according to claim 1 is characterized in that: A plurality of groups of first convex strips (11) are fixed at equal intervals on the top ends of the first conveyor belt (2), the second conveyor belt (6) and the third conveyor belt (10); a plurality of groups of third convex strips (13) are fixed at equal intervals on the bottom ends of the first conveyor belt (2), the second conveyor belt (6) and the third conveyor belt (10); and a plurality of groups of second convex strips (12) are fixed at equal intervals at the middle positions of the first conveyor belt (2), the second conveyor belt (6) and the third conveyor belt (10).

7. The ore conveying device for phosphate ore dressing according to claim 6 is characterized in that: The first convex strip (11), the second convex strip (12) and the third convex strip (13) are made of rubber material.

8. The ore conveying device for phosphate ore dressing according to claim 1 is characterized in that: Support legs (27) are respectively fixed at the four corners of the rear end of the main frame (5), and a through slot is provided inside the rear end of the main frame (5).

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