Mill end lining plate

Abstract

The utility model relates to the technical field of mill lining plates, in particular to a mill end lining plate which comprises an installation cylinder, a plurality of installation threaded holes are formed in the left end of the installation cylinder and are evenly arranged at equal intervals, a sliding groove is formed in the position, close to the front side, of the right end of the installation cylinder, and a limiting sliding groove is formed in the position, close to the rear side, of the right end of the installation cylinder. Mounting grooves are formed in the bottoms of the inner walls of the limiting sliding grooves, rotating motors are fixedly connected to the left side surfaces of the inner walls of the sliding grooves through bolts, and threaded rods are coaxially connected to output shafts of the rotating motors and are in threaded connection with the sliding plates. According to the mill end lining plate, the rotating motor, the threaded rod, the sliding plate, the air cylinder, the moving frame, the inserting rod and the limiting sliding strip are arranged, so that the mill end lining plate can be conveniently replaced when the end lining plate body is seriously abraded, and the working efficiency of maintenance personnel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mill linings, in particular to a mill end lining. Background Art

[0002] The grinding mill is classified as either a ball mill or a semi-autogenous mill and is the main equipment for grinding in mines. In order to ensure long-term continuous operation of the grinding mill, a liner is installed inside the grinding mill cylinder to prevent wear of the cylinder.

[0003] A semi-autogenous grinding mill end liner with publication number CN214021180U is fan-shaped with step surfaces on both sides, including a frame and a rubber layer covering the frame. The frame includes a bottom plate, and a reinforcing rib is fixed to the middle part of one surface of the bottom plate along the axial direction of the bottom plate. The reinforcing rib includes two parallel vertical plates, and a number of connecting plates are welded between the two vertical plates. A number of through holes are provided at the connection between each vertical plate and the bottom plate and on the connecting plate. Positioning holes are provided on the bottom plate, and a number of mounting columns are fixed on a surface of the bottom plate where the reinforcing rib is located. A support plate fixed to the bottom plate is fixed on the circumference of each mounting column, and a threaded hole is provided in each mounting column. The rubber layer covers the reinforcing rib to form a boss, and the top surface of the boss is a curved surface.

[0004] Although this end liner has the advantages of simple manufacturing, good sealing effect and impact resistance, it is fixed to the inner wall of the mill cylinder by bolts. It cannot be easily replaced when it is severely worn, and the work efficiency of maintenance personnel is low. In view of this, we propose a mill end liner. Utility Model Content

[0005] The purpose of the utility model is to provide a mill end liner to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A mill end liner comprises a mounting tube, a plurality of mounting threaded holes are provided at the left end of the mounting tube, the mounting threaded holes are arranged at uniform and equal intervals, a sliding groove is provided at the right end of the mounting tube near the front side, a limiting sliding groove is provided at the right end of the mounting tube near the rear side, a mounting groove is provided at the bottom of the inner wall of the limiting sliding groove, a rotating motor is fixedly connected to the left surface of the inner wall of the sliding groove by bolts, a threaded rod is coaxially connected to the output shaft of the rotating motor, and the threaded rod is threadedly connected to the sliding plate.

[0008] Preferably, a cylinder is fixedly connected to the bottom of the inner wall of the installation groove by bolts, and the end of the piston rod of the cylinder is fixedly connected to the movable frame by bolts.

[0009] Preferably, the top of the movable frame fits in with the bottom of the limit sliding bar, and the top of the movable frame is fixedly connected with a plurality of insertion rods by bolts.

[0010] Preferably, the insertion rods are arranged at even intervals, and the insertion rods are plugged into and fitted with the inner walls of the insertion holes corresponding to their positions.

[0011] Preferably, the inner circumferential wall of the mounting cylinder is slidably connected to an end liner body, and mounting openings are symmetrically provided at positions near the front and rear sides of the top of the end liner body.

[0012] Preferably, a fixing rod is provided in the installation opening, and the left and right ends of the fixing rod are fixedly connected to the left and right surfaces of the inner wall of the installation opening respectively by bolts.

[0013] Preferably, a sliding plate is welded and fixed to the front end of the end lining plate body, and the sliding plate is slidably connected to the inner wall of the sliding groove.

[0014] Preferably, a limiting sliding bar is welded and fixed at the rear end of the end lining body, the limiting sliding bar is slidably connected to the inner wall of the limiting sliding groove, and a socket is opened on the top of the limiting sliding bar, and the sockets are evenly and equidistantly arranged.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The end liner of the mill is provided with a rotating motor, a threaded rod and a sliding plate so that the position of the end liner body can be conveniently adjusted;

[0017] 2. The end liner of the mill is provided with a cylinder, a movable frame, an insert rod and a limit sliding bar so that the device can conveniently limit the position of the end liner body, so that the end liner body can be conveniently replaced when it is severely worn, thereby improving the work efficiency of the maintenance personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the overall structural diagrams of the utility model;

[0019] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the installation cylinder in the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the mobile frame in the utility model;

[0023] Figure 6 This is a structural diagram of the middle lining plate body of the utility model;

[0024] The meaning of each title in the figure is:

[0025] 1. Mounting cylinder; 11. Mounting threaded hole; 12. Sliding slot; 13. Limiting slide slot; 14. Mounting slot; 15. Rotating motor; 16. Threaded rod; 17. Cylinder; 18. Moving frame; 19. Insertion rod;

[0026] 2. End lining body; 21. Mounting port; 22. Fixing rod; 23. Sliding plate; 24. Limiting sliding bar; 25. Socket. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1-6 , the utility model provides a technical solution:

[0029] A mill end liner comprises a mounting tube 1. A plurality of mounting threaded holes 11 are provided at the left end of the mounting tube 1. The mounting threaded holes 11 are arranged at even intervals to facilitate installation of the device on the inner wall of the mill tube.

[0030] It should be added that a sliding groove 12 is provided at the right end of the mounting tube 1 near the front side, which is used to limit the moving direction of the sliding plate 23, and a limiting sliding groove 13 is provided at the right end of the mounting tube 1 near the rear side, which is used to limit the moving direction of the limiting sliding bar 24, and a mounting groove 14 is provided at the bottom of the inner wall of the limiting sliding groove 13.

[0031] As a preferred embodiment of this invention, a rotating motor 15 is fixedly connected to the left surface of the inner wall of the sliding groove 12 by bolts, which is used to drive the threaded rod 16 to rotate. The output shaft of the rotating motor 15 is coaxially connected to the threaded rod 16, and the threaded rod 16 is threadedly connected to the sliding plate 23 to drive the sliding plate 23 to move.

[0032] Furthermore, a cylinder 17 is fixedly connected to the bottom of the inner wall of the mounting groove 14 by bolts, which is used to drive the movable frame 18 to move. The piston rod end of the cylinder 17 is fixedly connected to the movable frame 18 by bolts. The top of the movable frame 18 is fitted with the bottom of the limiting sliding bar 24 to drive the insertion rod 19 to move.

[0033] Specifically, a plurality of plug rods 19 are fixedly connected to the top of the movable frame 18 by bolts. The plug rods 19 are evenly spaced and are plugged into and matched with the inner walls of the sockets 25 corresponding to their positions to limit the position of the limit sliding bar 24 .

[0034] Furthermore, the inner wall of the circumference of the installation cylinder 1 is slidably connected to the end liner body 2, and the top of the end liner body 2 is symmetrically provided with installation openings 21 near the front and rear sides for installing the fixing rod 22.

[0035] Specifically, a fixing rod 22 is provided in the installation opening 21 , and the left and right ends of the fixing rod 22 are fixedly connected to the left and right surfaces of the inner wall of the installation opening 21 by bolts, so as to facilitate the staff to move the end liner body 2 by a crane.

[0036] Specifically, a sliding plate 23 is welded and fixed to the front end of the end liner body 2 , and the sliding plate 23 is slidably connected to the inner wall of the sliding groove 12 to drive the end liner body 2 to move.

[0037] Specifically, a limiting sliding bar 24 is welded and fixed to the rear end of the end lining plate body 2 , and the limiting sliding bar 24 is slidably connected to the inner wall of the limiting sliding groove 13 to limit the moving direction of the end lining plate body 2 .

[0038] Specifically, a top of the position-limiting sliding bar 24 is provided with insertion holes 25 , which are evenly spaced and arranged to cooperate with the insertion rod 19 to limit the position of the position-limiting sliding bar 24 .

[0039] It is worth mentioning that the structure and working principle of the end liner body 2 involved in this embodiment are well known to those skilled in the art and will not be elaborated here.

[0040] During specific use, when the end liner body 2 needs to be replaced, the user first controls the piston rod of the cylinder 17 to shorten, thereby driving the movable frame 18 to move downward, thereby driving all the insertion rods 19 to move downward, until the piston rod of the cylinder 17 is shortened to the shortest, and all the insertion rods 19 no longer engage with the inner wall of the corresponding insertion hole 25;

[0041] Turn on the rotating motor 15, which drives the threaded rod 16 to rotate, thereby driving the sliding plate 23 to slide rightward in the sliding groove 12, thereby driving the end lining plate body 2 to move rightward, and thus driving the limit sliding bar 24 to move rightward;

[0042] Until the two fixing rods 22 move to the outside of the installation tube 1, the user fixes the two hoisting ropes of the crane to the two fixing rods 22 respectively. When the threaded rod 16 is no longer threadedly connected to the sliding plate 23, the two installation openings 21 of the end lining body 2 are completely located outside the installation tube 1. The user controls the crane to drive the end lining body 2 to move to the right.

[0043] Until the limiting sliding strip 24 is no longer in sliding connection with the inner wall of the limiting sliding groove 13, the sliding plate 23 is no longer in sliding connection with the inner wall of the sliding groove 12, and the outer wall of the worn end lining plate body 2 is no longer in contact with the inner wall of the installation cylinder 1, a new end lining plate body 2 is slidably connected to the inner wall of the installation cylinder 1 and the limiting sliding strip 24 installed at the rear end of the end lining plate body 2 is slidably connected to the inner wall of the limiting sliding groove 13;

[0044] The control crane drives the new end liner body 2 to move to the left until the right end of the threaded rod 16 contacts the left end of the sliding plate 23. Then, the rotary motor 15 is turned on and the end liner body 2 continues to move to the left. The threaded rod 16 is threadedly connected to the sliding plate 23. The hoisting rope fixed to the two fixed rods 22 is removed. The threaded rod 16 drives the sliding plate 23 to move to the left, thereby driving the end liner body 2 to move to the left, thereby driving the limit sliding bar 24 to move to the left.

[0045] Until the left end of the limiting sliding bar 24 is in contact with the left surface of the inner wall of the limiting sliding groove 13, the rotating motor 15 is turned off and the piston rod of the cylinder 17 is controlled to extend, thereby driving the movable frame 18 to move upward, thereby driving all the insertion rods 19 to move upward, until the top of the movable frame 18 is in contact with the bottom of the limiting sliding bar 24, all the insertion rods 19 are plugged into and matched with the inner wall of the socket 25 corresponding to their position, and the new end lining body 2 is installed.

[0046] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A mill end liner, comprising a mounting cylinder (1), characterized in that: The left end of the mounting tube (1) is provided with a plurality of mounting threaded holes (11), and the mounting threaded holes (11) are arranged at even intervals. A sliding groove (12) is provided at the right end of the mounting tube (1) near the front side, and a limiting sliding groove (13) is provided at the right end of the mounting tube (1) near the rear side. A mounting groove (14) is provided at the bottom of the inner wall of the limiting sliding groove (13). A rotating motor (15) is fixedly connected to the left surface of the inner wall of the sliding groove (12) by bolts. The output shaft of the rotating motor (15) is coaxially connected to a threaded rod (16), and the threaded rod (16) is threadedly connected to the sliding plate (23).

2. The mill end liner according to claim 1, characterized in that: The bottom of the inner wall of the installation groove (14) is fixedly connected to a cylinder (17) via bolts, and the end of the piston rod of the cylinder (17) is fixedly connected to a moving frame (18) via bolts.

3. The mill end liner according to claim 2, characterized in that: The top of the movable frame (18) is fitted with the bottom of the limit sliding bar (24), and the top of the movable frame (18) is fixedly connected with a plurality of insertion rods (19) by means of bolts.

4. The mill end liner according to claim 3, characterized in that: The insertion rods (19) are arranged at even intervals, and the insertion rods (19) are plugged into and fitted with the inner walls of the insertion holes (25) corresponding to their positions.

5. The mill end liner according to claim 1, characterized in that: The inner circumferential wall of the installation cylinder (1) is slidably connected to an end lining plate body (2), and installation openings (21) are symmetrically provided at positions near the front and rear sides of the top of the end lining plate body (2).

6. The mill end liner according to claim 5, characterized in that: A fixing rod (22) is provided in the installation opening (21), and the left and right ends of the fixing rod (22) are respectively fixedly connected to the left and right surfaces of the inner wall of the installation opening (21) by bolts.

7. The mill end liner according to claim 5, characterized in that: A sliding plate (23) is welded and fixed to the front end of the end lining plate body (2), and the sliding plate (23) is slidably connected to the inner wall of the sliding groove (12).

8. The mill end liner according to claim 7, characterized in that: A limiting sliding bar (24) is welded and fixed to the rear end of the end lining plate body (2), and the limiting sliding bar (24) is slidably connected to the inner wall of the limiting sliding groove (13). A plug hole (25) is opened on the top of the limiting sliding bar (24), and the plug holes (25) are evenly spaced.

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