Anti-wear flotation machine polyurethane cover plate

Abstract

The utility model belongs to the technical field of flotation machine cover plates, and particularly relates to an anti-abrasion flotation machine polyurethane cover plate which comprises an upper cover plate body, a lower cover plate body is arranged at the bottom end of the upper cover plate body, a mounting groove is formed in the middle of the top end of the upper cover plate body, a mounting cylinder is arranged at the top end of the lower cover plate body, and a main buffering piece is arranged on the outer side of the bottom end of the mounting cylinder. An auxiliary buffering piece is arranged at the bottom end of the top end of the upper cover plate, and a circulating groove is formed in the outer side of the top end of the upper cover plate. According to the flotation machine cover plate, the main buffering pieces, the auxiliary buffering pieces, the circulating grooves and the material guiding grooves are arranged, when the cover plate is scoured, ore pulp overflows through the circulating grooves in the surface, buffering is conducted in cooperation with the buffering springs in the middle main buffering piece and the auxiliary buffering springs in the auxiliary buffering pieces on the periphery, and the impact force borne by the flotation machine cover plate can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of flotation machine covers, and specifically relates to a wear-resistant polyurethane cover for a flotation machine. Background Technique

[0002] The flotation machine is driven by an electric motor through a V-belt drive to drive the impeller to rotate, generating a centrifugal force to form a negative pressure. On the one hand, sufficient air is inhaled to mix with the pulp. On the other hand, the pulp is stirred to mix with the drug, and at the same time, the foam is refined, so that the minerals adhere to the foam and float to the pulp surface to form mineralized foam. The impeller is the core component of the flotation machine. During the operation of the flotation machine, the impeller rotates at a high speed, and under the scouring of the pulp, the pulp scours the impeller and the cover plate, resulting in wear.

[0003] The prior art has the following problems: In the "flotation machine cover plate with a wear-resistant mechanism" with the existing publication (announcement) number: CN217140742U, "it includes a cover plate, wear-resistant layers are respectively arranged on the upper and lower plate surfaces of the cover plate, a plurality of impeller components are evenly installed on the bottom surface of the cover plate, a central drive cylinder is arranged above the cover plate, and a flange plate with an integral structure is arranged at the bottom end of the central drive cylinder";

[0004] At the middle position of the cover plate of the above device, an upper clamping plate and a lower clamping plate are tightly installed. The flange plate, the upper clamping plate, the cover plate, and the lower clamping plate are sequentially connected by inserting double-headed screws. When installing and combining the plurality of double-headed screws, it is relatively cumbersome. Utility Model Content

[0005] Aiming at the deficiencies of the prior art, the utility model provides a wear-resistant polyurethane cover for a flotation machine, which solves the problems raised in the background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wear-resistant polyurethane cover for a flotation machine includes an upper cover plate. A lower cover plate is arranged at the bottom end of the upper cover plate. An installation groove is arranged in the middle of the top end of the upper cover plate. An installation cylinder is arranged at the top end of the lower cover plate. A main buffer member is arranged on the outer side of the bottom end of the installation cylinder. A secondary buffer member is arranged at the bottom end of the top end of the upper cover plate. A circulation groove is arranged on the outer side of the top end of the upper cover plate.

[0008] As a preferred technical solution of the utility model, circulation grooves are arranged on the surfaces of both the upper cover plate and the lower cover plate. The circulation grooves are small circular through holes. The number of the circulation grooves is set to be several. The circulation grooves are distributed in a circular array. The top surface of the upper cover plate is set as an inclined surface. A guiding groove is arranged on the upper surface of the lower cover plate.

[0009] As a preferred technical solution of the present utility model, a positioning convex block is provided on the outer side of the installation cylinder, a positioning groove is correspondingly provided in the installation groove, the positioning convex block and the positioning groove are adapted in size, and four groups are correspondingly provided. The lower cover plate is movably connected to the positioning groove through the positioning convex block, and a limiting block is provided on one side of the positioning groove.

[0010] As a preferred technical solution of the present utility model, the main buffer member includes a buffer spring, fixed blocks are provided at both ends of the buffer spring, clamping grooves are correspondingly provided at the bottom of the upper cover plate and the top of the lower cover plate, and the buffer spring is clamped to the upper cover plate and the lower cover plate respectively through the fixed blocks at both ends.

[0011] As a preferred technical solution of the present utility model, a movable clamping block is provided on the outer side of the positioning convex block, a locking groove is correspondingly provided inside the positioning groove, a reset spring is provided on one side of the movable clamping block, the movable clamping block is movably connected to the positioning convex block through the reset spring, and the movable clamping block is clamped to the positioning groove through the locking groove.

[0012] As a preferred technical solution of the present utility model, the number of the auxiliary buffer members is set to four groups, and the auxiliary buffer members are distributed in an annular array.

[0013] As a preferred technical solution of the present utility model, the auxiliary buffer member includes a connecting rod, an auxiliary buffer spring is provided on the outer side of the connecting rod, one end of the connecting rod is fixedly connected to the upper cover plate, a clamping edge is provided at the other end of the connecting rod, a clamping groove is correspondingly provided on the lower cover plate, and the connecting rod is movably connected to the lower cover plate through the clamping groove.

[0014] Compared with the prior art, the present utility model provides a wear-resistant polyurethane cover plate for a flotation machine, which has the following beneficial effects:

[0015] 1. For the wear-resistant polyurethane cover plate for a flotation machine, through the arrangement that flow grooves are provided on the surfaces of both the upper cover plate and the lower cover plate, the flow grooves are small circular through holes, the number of the flow grooves is set to be several, and the flow grooves are distributed in an annular array. The top surface of the upper cover plate is set as an inclined surface, and a guiding groove is provided on the upper surface of the lower cover plate. Through the cooperation of the several annularly arrayed flow grooves and the inclined surface, it is used for the overflow of the ore pulp liquid, and at the same time, the strong scouring force on the cover plate is reduced, and the scouring wear of the cover plate is reduced; the positioning convex block and the positioning groove are adapted in size, and four groups are correspondingly provided. The lower cover plate is movably connected to the positioning groove through the positioning convex block, and a limiting block is provided on one side of the positioning groove. Through the positioning convex block and the positioning groove, the positioning and assembly of the upper cover plate and the lower cover plate are facilitated;

[0016] 2. The polyurethane cover plate of this wear-resistant flotation machine is provided with buffer springs that are respectively clamped to the upper cover plate and the lower cover plate through fixing blocks at both ends. The buffer springs are quickly fixed through the fixing blocks and the card slots, which not only facilitates assembly but also improves the stability of buffering. The positioning convex block is quickly fixed by driving the movable latch block to catch the locking groove through the return spring, further facilitating the assembly of the device. There are four sets of secondary buffer components, which are distributed in an annular array and assist in buffering on the outer side, further enhancing the buffering effect. The secondary buffer component includes a connecting rod, with a secondary buffer spring arranged on the outer side of the connecting rod. One end of the connecting rod is fixedly connected to the upper cover plate, and a clamping edge is arranged at the other end of the connecting rod. A clamping groove is correspondingly arranged on the lower cover plate, and the connecting rod is movably connected to the lower cover plate through the clamping groove. During installation, the connecting rod passes through the clamping groove through the clamping edge on one side, and the lower cover plate is driven to move through the secondary buffer spring, so that the clamping edge catches one side of the clamping groove, realizing quick fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is an exploded schematic diagram of the installation structure of the installation cylinder of the present utility model;

[0019] Figure 3 is a cross-sectional structural schematic diagram of the present utility model;

[0020] Figure 4 is a plan schematic diagram of the installation structure of the installation cylinder of the present utility model;

[0021] Figure 5 is a three-dimensional structural schematic diagram of the connecting rod of the present utility model;

[0022] Figure 6 is a plan structural schematic diagram of the connection part of the connecting rod of the present utility model.

[0023] In the figure: 1. Upper cover plate; 2. Lower cover plate; 201. Guide groove; 202. Clamping groove; 3. Installation groove; 301. Positioning groove; 302. Locking groove; 4. Installation cylinder; 401. Positioning convex block; 402. Movable latch block; 403. Return spring; 5. Main buffer component; 501. Buffer spring; 502. Fixing block; 6. Secondary buffer component; 601. Connecting rod; 602. Secondary buffer spring; 603. Clamping edge; 7. Flow channel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the protection scope of the present utility model.

[0025] Please refer to Figures 1-6 , in this implementation: a wear-resistant polyurethane cover plate for a flotation machine, including an upper cover plate 1, a lower cover plate 2 is arranged at the bottom end of the upper cover plate 1. Both the upper cover plate 1 and the lower cover plate 2 are made of polyurethane material and have high-strength wear resistance. An installation groove 3 is arranged in the middle of the top end of the upper cover plate 1. An installation cylinder 4 is arranged at the top end of the lower cover plate 2. A main buffer member 5 is arranged on the outer side of the bottom end of the installation cylinder 4. A secondary buffer member 6 is arranged at the top and bottom ends of the upper cover plate 1 for buffering the cover plate and reducing the scouring force. A circulation groove 7 is arranged on the outer side of the top end of the upper cover plate 1 for reducing the impact force when the ore pulp overflows.

[0026] In this embodiment, flow grooves 7 are provided on the surfaces of the upper cover plate 1 and the lower cover plate 2. The flow grooves 7 are small circular through-holes, and a plurality of flow grooves 7 are provided. The flow grooves 7 are distributed in a circular array. The top surface of the upper cover plate 1 is set as an inclined surface, and a guiding groove 201 is provided on the upper surface of the lower cover plate 2. The plurality of flow grooves 7 arranged in a circular array cooperate with the inclined surface to allow the ore slurry to overflow, while reducing the strong scouring force on the cover plate and reducing the scouring wear of the cover plate. A positioning convex block 401 is provided on the outer side of the mounting cylinder 4, and a positioning groove 301 is correspondingly provided in the mounting groove 3. The sizes of the positioning convex block 401 and the positioning groove 301 are adapted to each other, and four groups are correspondingly provided. The lower cover plate 2 is movably connected through the positioning convex block 401 and the positioning groove 301. A limiting block is provided on one side of the positioning groove 301. The positioning of the upper cover plate 1 and the lower cover plate 2 is facilitated through the positioning convex block 401 and the positioning groove 301. The main buffer member 5 includes a buffer spring 501. Fixing blocks 502 are provided at both ends of the buffer spring 501. Corresponding card slots are provided at the bottom of the upper cover plate 1 and the top of the lower cover plate 2. The buffer spring 501 is clamped to the upper cover plate 1 and the lower cover plate 2 respectively through the fixing blocks 502 at both ends. The buffer spring 501 is quickly fixed through the fixing blocks 502 and the card slots, which facilitates assembly and improves the stability of buffering at the same time. An active clamping block 402 is provided on the outer side of the positioning convex block 401, a locking groove 302 is correspondingly provided inside the positioning groove 301, a return spring 403 is provided on one side of the active clamping block 402, and the active clamping block 402 is movably connected to the positioning convex block 401 through the return spring 403. The active clamping block 402 is clamped to the positioning groove 301 through the locking groove 302. In this way, the active clamping block 402 is driven by the return spring 403 to clamp the locking groove 302, realizing the quick fixing of the positioning convex block 401 and further facilitating the assembly of the device. Four groups of secondary buffer members 6 are provided, and the secondary buffer members 6 are distributed in a circular array to perform auxiliary buffering on the outer side and further improve the buffering effect. The secondary buffer member 6 includes a connecting rod 601. A secondary buffer spring 602 is provided on the outer side of the connecting rod 601. One end of the connecting rod 601 is fixedly connected to the upper cover plate 1, and a clamping edge 603 is provided at the other end of the connecting rod 601. A clamping groove 202 is correspondingly provided on the lower cover plate 2. The connecting rod 601 is movably connected to the lower cover plate 2 through the clamping groove 202. During installation, the connecting rod 601 passes through the clamping groove 202 through the clamping edge 603 on one side, and the lower cover plate 2 is driven to move through the secondary buffer spring 602, so that the clamping edge 603 clamps one side of the clamping groove 202 to realize quick fixing.

[0027] Working principle and usage process of the utility model: During use, the upper cover plate 1 is inserted into the installation groove 3 on the lower cover plate 2 through positioning of the positioning convex block 401 and the positioning groove 301. Moreover, the buffer spring 501 is respectively clamped to the upper cover plate 1 and the lower cover plate 2 through the fixing blocks 502 at both ends. The auxiliary buffer spring 602 is installed on the outer side of the connecting rod 601. The connecting rod 601 passes through the clamping groove 202 through the clamping edge 603 on one side. The lower cover plate 2 is driven to move through the auxiliary buffer spring 602, so that the clamping edge 603 clamps one side of the clamping groove 202 to achieve quick fixation. At the same time, the return spring 403 inside the positioning convex block 401 drives the movable clamping block 402 to clamp the locking groove 302 to achieve quick fixation of the positioning convex block 401. When the cover plate is washed, the pulp slurry is overflowed through the multiple flow grooves 7 on the surface. The buffer springs 501 in the main buffer member 5 in the middle and the auxiliary buffer springs 602 in the auxiliary buffer members 6 around are used for buffering, which can effectively reduce the impact force on the flotation machine cover plate.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A wear-resistant polyurethane cover plate for a flotation machine, comprising an upper cover plate (1), a lower cover plate (2) being arranged at the bottom end of the upper cover plate (1), a mounting groove (3) being arranged at the middle of the top end of the upper cover plate (1), and a mounting tube (4) being arranged at the top end of the lower cover plate (2), characterized in that: A main buffer (5) is arranged on the outer side of the bottom end of the installation cylinder (4), a secondary buffer (6) is arranged on the bottom end of the top end of the upper cover plate (1), and a flow groove (7) is arranged on the outer side of the top end of the upper cover plate (1).

2. The wear-resistant polyurethane cover plate for flotation machine according to claim 1, characterized in that: The surfaces of the upper cover plate (1) and the lower cover plate (2) are both provided with flow grooves (7), the flow grooves (7) are small circular through holes, a plurality of the flow grooves (7) are provided, and the flow grooves (7) are distributed in a ring array, the top surface of the upper cover plate (1) is provided as an inclined surface, and the upper surface of the lower cover plate (2) is provided with a guide groove (201).

3. The wear-resistant polyurethane cover plate for flotation machine according to claim 1, characterized in that: A positioning protrusion (401) is arranged on the outside of the installation tube (4), and a positioning groove (301) is arranged correspondingly to the installation groove (3). The positioning protrusion (401) is matched with the positioning groove (301) in size, and four groups are arranged correspondingly. The lower cover plate (2) is movably connected to the positioning groove (301) via the positioning protrusion (401), and a limiting block is arranged on one side of the positioning groove (301).

4. The wear-resistant polyurethane cover plate for flotation machine according to claim 1, characterized in that: The main buffer component (5) comprises a buffer spring (501), both ends of which are provided with fixing blocks (502), the bottom of the upper cover plate (1) and the top of the lower cover plate (2) are provided with corresponding clamping grooves, and the buffer spring (501) is respectively clamped with the upper cover plate (1) and the lower cover plate (2) through the fixing blocks (502) at both ends.

5. The wear-resistant polyurethane cover plate for flotation machine according to claim 3, characterized in that: An active clamping block (402) is arranged outside the positioning protrusion (401), a locking groove (302) is correspondingly arranged inside the positioning groove (301), a return spring (403) is arranged on one side of the active clamping block (402), the active clamping block (402) is movably connected to the positioning protrusion (401) via the return spring (403), and the active clamping block (402) is clamped with the positioning groove (301) via the locking groove (302).

6. The wear-resistant polyurethane cover plate for flotation machine according to claim 1, characterized in that: The auxiliary buffer components (6) are arranged in four groups, and the auxiliary buffer components (6) are distributed in a ring array.

7. The wear-resistant polyurethane cover plate for flotation machine according to claim 1, characterized in that: The auxiliary buffer component (6) comprises a connecting rod (601), an auxiliary buffer spring (602) is arranged on the outer side of the connecting rod (601), one end of the connecting rod (601) is fixedly connected to the upper cover plate (1), and the other end of the connecting rod (601) is provided with a clamping edge (603), and the lower cover plate (2) is correspondingly provided with a clamping groove (202), and the connecting rod (601) is movably connected to the lower cover plate (2) through the clamping groove (202).

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