Combined ball mill lining plate made of low-alloy steel

Abstract

The utility model discloses a combined ball mill lining plate made of low alloy steel, which comprises a bottom plate and an outer lining plate, a slotted hole I is formed in the middle of the upper surface of the bottom plate, limiting grooves are formed in the inner walls of the left side and the right side of the slotted hole I, inserting holes are formed in the front side and the rear side of the upper surface of the bottom plate, and fixing bolts penetrate through mounting holes of the bottom plate. A second slotted hole is formed in the middle of the bottom end of the outer lining plate, sliding grooves are formed in the front inner wall and the rear inner wall of the second slotted hole, and locking limiting assemblies in sliding fit with the sliding grooves are arranged in the second slotted hole. Through the arrangement of the bottom plate, the outer lining plate, the locking limiting assembly, the first groove hole, the limiting groove, the storage hole, the second groove hole and the sliding groove, when the bottom plate and the outer lining plate are assembled and connected, bolts are prevented from being deformed and damaged due to collision of a grinding body, and disassembly and assembly are convenient; and by arranging a threaded connector and a sealing cover, the rotating handle is protected, the situation that the bottom plate and the outer lining plate are separated due to the fact that the rotating handle is mistakenly touched by collision of the grinding body is avoided, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, in particular to a combined ball mill liner made of low alloy steel. Background Art

[0002] Ball mill is a key equipment for crushing materials after they have been crushed. It is mainly used in the production of cement, silicate products, new building materials, fertilizers, glass and ceramics, etc. In addition, because ball mill is suitable for grinding various ores and other materials, it is also widely used in mineral processing, building materials and chemical industries.

[0003] Most of the existing ball mill liners are one-piece, and most of them are fixed inside the ball mill by bolts. This results in the bolts at the fixing position being deformed and damaged due to the collision of the grinding body after long-term use. As a result, when the liner needs to be replaced, it is difficult to unscrew the bolts, which is inconvenient for the staff to replace it. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the present invention is to provide a combined ball mill liner made of low alloy steel. By providing a bottom plate, an outer liner, a locking limit assembly, a slot hole one, a limit slot, a receiving hole, a slot hole two, and a slide groove, when the bottom plate and the outer liner are assembled and connected, the bolts are prevented from being deformed and damaged due to the collision of the grinding body, and disassembly and assembly are convenient; by providing a threaded connector and a cover, the turning handle is protected to prevent the collision of the grinding body from accidentally touching the turning handle, resulting in separation of the bottom plate and the outer liner, thereby improving the stability of the device.

[0005] One of the objectives of the utility model is achieved by adopting the following technical solution: a combined ball mill liner made of low alloy steel, comprising: a bottom plate and an outer lining plate, wherein a slotted hole 1 is provided in the middle of the upper surface of the bottom plate, and limit slots are provided on the left and right inner walls of the slotted hole 1, and insertion holes are provided on the front and rear sides of the upper surface of the bottom plate, and fixing bolts are passed through the mounting holes of the bottom plate, a slotted hole 2 is provided in the middle of the bottom end of the outer lining plate, and slide grooves are provided on the front and rear inner walls of the slotted hole 2, and a locking limit assembly that slides with the slide groove is provided in the slotted hole 2;

[0006] The locking limit assembly includes a gear and a slide plate. The two slide plates are symmetrically arranged. The front and rear walls of the slide plates are provided with slide rails. The opposite surfaces of the two slide plates are fixedly connected to limit blocks. The opposite surfaces of the two slide plates are fixedly connected to connecting columns. A spring is wound between the two connecting columns. The opposite surfaces of the two slide plates are fixedly connected to racks. The two racks are rotationally symmetrically arranged. The outer walls of the racks are meshed with the outer walls of the gears. The upper surface of the gear is fixedly connected to a rotating rod. The top end of the rotating rod passes through the top end of the outer lining plate and is fixedly connected to a turning handle. By providing the bottom plate, outer lining plate, locking limit assembly, slot hole 1, limiting slot, storage hole, slot hole 2, and slide groove, when the bottom plate and the outer lining plate are assembled and connected, the bolts are prevented from being deformed and damaged by the collision of the grinding body, and disassembly and assembly are facilitated. By providing the threaded connector and the cover, the turning handle is protected to prevent the grinding body from accidentally touching the turning handle, causing the bottom plate and the outer lining plate to separate, thereby improving the stability of the device.

[0007] According to the combined ball mill liner made of low alloy steel, a threaded connector is fixed to the upper surface of the outer liner, the handle is located inside the threaded connector, and a cover is threadedly connected to the side wall of the threaded connector.

[0008] According to the combined ball mill liner made of low alloy steel, the bottom end of the outer liner is fixedly connected with an inserting plate corresponding to the position of the inserting hole.

[0009] A combined ball mill liner made of low alloy steel is provided, wherein the bottom end of the outer liner is provided with a receiving hole corresponding to the position of the fixing bolt.

[0010] According to the combined ball mill liner made of low alloy steel, the outer wall of the slide rail is slidably connected to the inner wall of the slide groove.

[0011] According to the combined ball mill liner made of low alloy steel, the positions of the first slot and the second slot correspond to each other.

[0012] According to the combined ball mill liner made of low alloy steel, the bottom ends of the limit blocks are provided with guide arcs.

[0013] According to the combined ball mill liner made of low alloy steel, protrusions are symmetrically provided on the upper surface of the outer liner.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1This is a three-dimensional diagram of a combined ball mill liner made of low alloy steel in the utility model;

[0017] Figure 2 This is a bottom plate diagram of a combined ball mill liner made of low alloy steel in the utility model;

[0018] Figure 3 This is a three-dimensional diagram of a locking and limiting assembly of a combined ball mill liner made of low alloy steel according to the present invention;

[0019] Figure 4 This is a structural diagram of the outer lining of a combined ball mill liner made of low alloy steel in the utility model.

[0020] Legend:

[0021] 1. Base plate; 2. Outer lining plate; 3. Cover; 4. Fixing bolt; 5. Threaded connector; 6. Locking limit assembly; 101. Slot hole 1; 102. Limiting slot; 103. Insertion hole; 201. Storage hole; 202. Insertion plate; 203. Slot hole 2; 204. Slide; 601. Slide plate; 6011. Slide rail; 602. Limiting block; 6021. Guide arc; 603. Connecting column; 604. Spring; 605. Rack; 606. Gear; 607. Turning rod; 608. Turning handle. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figure 1-4 , the utility model embodiment of a combined ball mill liner made of low alloy steel includes: a bottom plate 1, an outer lining plate 2, the upper surface of the outer lining plate 2 is symmetrically provided with protrusions, a slot hole 101 is opened in the middle of the upper surface of the bottom plate 1, and the left and right inner walls of the slot hole 101 are both provided with limit slots 102, and the front and rear sides of the upper surface of the bottom plate 1 are provided with insertion holes 103. The bottom end of the outer lining plate 2 is fixedly connected with an insertion plate 202 corresponding to the position of the insertion hole 103, and fixing bolts 4 are passed through the mounting holes of the bottom plate 1. A receiving hole 201 corresponding to the position of the fixing bolt 4 is opened at the bottom end of the outer lining plate 2, a slot hole 203 is opened in the middle of the bottom end of the outer lining plate 2, and the slot hole 101 corresponds to the position of the slot hole 203. The front and rear inner walls of the slot hole 203 are both provided with sliding grooves 204, and the slot hole 203 is provided with a locking limit component 6 that slides with the sliding groove 204;

[0024] The locking limit assembly 6 includes a gear 606 and a slide 601. The two slides 601 are symmetrically arranged. The front and rear walls of the slides 601 are provided with a slide rail 6011. The outer wall of the slide rail 6011 is slidably connected to the inner wall of the slide groove 204. The opposite back surfaces of the two slides 601 are fixedly connected to the limit block 602. The bottom end of the limit block 602 is provided with a guide arc 6021. The opposite surfaces of the two slides 601 are fixedly connected to the connecting column 603. A spring 600 is wound between the two connecting columns 603. 4. Racks 605 are fixed to the opposite surfaces of the two slides 601. The two racks 605 are rotationally symmetrically arranged. The outer walls of the racks 605 are meshed with the outer walls of the gears 606. A rotating rod 607 is fixed to the upper surface of the gear 606. The top of the rotating rod 607 passes through the top of the outer lining plate 2 and is fixed with a rotating handle 608. The upper surface of the outer lining plate 2 is fixed with a threaded connector 5. The rotating handle 608 is located inside the threaded connector 5. The side wall of the threaded connector 5 is threadedly connected to the cover 3. Through the provided bottom plate 1, outer lining plate 2, locking limit assembly 6, slot hole 101, limit slot 102, receiving hole 201, slot hole 203, and slide slot 204, when the bottom plate 1 and the outer lining plate 2 are assembled and connected, the rotating rod 607 is rotated by the turning handle 608 to drive the gear 606 to rotate, and the two slide plates 601 are driven to move toward each other through the engagement of the rack 605. Next, the two slide plates 601 are inserted into the slot hole 101 and the turning handle 608 is released. At this time, the spring 604 is stretched to push the two limit blocks 602 into the limit slots 102 at the corresponding positions. 2, and at the same time, the insert plate 202 is also inserted into the socket 103 for positioning, and the heads of the fixing bolts 4 are all received in the receiving holes 201 to prevent the bolts from being deformed and damaged due to the collision of the grinding body. When disassembling, it is only necessary to reversely rotate the handle 608, which is convenient for disassembly and assembly; through the provided threaded connector 5 and cover 3, after the base plate 1 and the outer lining plate 2 are assembled, the cover 3 is threadedly connected to the threaded connector 5 to protect the handle 608, avoid the collision of the grinding body to cause accidental touch of the handle 608, resulting in separation of the base plate 1 and the outer lining plate 2, and improve the stability of the device.

[0025] Working principle: When in use, the bottom plate 1 is installed in the ball mill with the fixing bolt 4. When the bottom plate 1 is assembled and connected with the outer lining plate 2, the rotating rod 607 is rotated by the turning handle 608 to drive the gear 606 to rotate, and the two slides 601 are driven to move toward each other through the engagement of the rack 605. Next, the two slides 601 are inserted into the slot 101 and the turning handle 608 is released. At this time, the spring 604 stretches and pushes the two limit blocks 602 to be inserted into the limit slots 102 at the corresponding positions. At the same time, the insert plate 202 is also inserted into the insertion hole 103 for positioning. The heads of the fixing bolts 4 are all received in the receiving holes 201. Then the cover 3 is threadedly connected to the threaded connector 5 to protect the turning handle 608 to prevent the bolts from being deformed and damaged due to the collision of the grinding body, thereby improving the stability of the device.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A combined ball mill liner made of low alloy steel, characterized in that: include: A bottom plate (1) and an outer lining plate (2), wherein a slot hole (101) is provided in the middle of the upper surface of the bottom plate (1), and limit slots (102) are provided on the left and right inner walls of the slot hole (101), and insertion holes (103) are provided on the front and rear sides of the upper surface of the bottom plate (1), and fixing bolts (4) are passed through the mounting holes of the bottom plate (1), a slot hole (203) is provided in the middle of the bottom end of the outer lining plate (2), and a slide groove (204) is provided on the front and rear inner walls of the slot hole (203), and a locking limit assembly (6) that slides with the slide groove (204) is provided in the slot hole (203); The locking limit assembly (6) comprises a gear (606) and a slide (601), the two slides (601) are symmetrically arranged, the front and rear walls of the slides (601) are provided with a slide rail (6011), the opposite back surfaces of the two slides (601) are fixedly connected to the limit block (602), the opposite surfaces of the two slides (601) are fixedly connected to the connecting column (603), a spring (604) is wound between the two connecting columns (603), the opposite surfaces of the two slides (601) are fixedly connected to the rack (605), the two racks (605) are rotationally symmetrically arranged, the outer walls of the racks (605) are meshed with the outer wall of the gear (606), the upper surface of the gear (606) is fixedly connected to a rotating rod (607), the top end of the rotating rod (607) passes through the top end of the outer lining plate (2) and is fixedly connected to a rotating handle (608).

2. The low alloy steel combined ball mill liner according to claim 1, characterized in that: A threaded connector (5) is fixedly connected to the upper surface of the outer lining plate (2), the turning handle (608) is located inside the threaded connector (5), and a sealing cover (3) is threadedly connected to the side wall of the threaded connector (5).

3. The low alloy steel combined ball mill liner according to claim 1, characterized in that: The bottom end of the outer lining plate (2) is fixedly connected with an inserting plate (202) corresponding to the position of the inserting hole (103).

4. The low alloy steel combined ball mill liner according to claim 1, characterized in that: The bottom end of the outer lining plate (2) is provided with a receiving hole (201) corresponding to the position of the fixing bolt (4).

5. The combined ball mill liner made of low alloy steel according to claim 1, characterized in that: The outer wall of the slide rail (6011) is slidably connected to the inner wall of the slide groove (204).

6. The low alloy steel combined ball mill liner according to claim 1, characterized in that: The positions of the slot hole 1 (101) and the slot hole 2 (203) correspond to each other.

7. The low alloy steel combined ball mill liner according to claim 1, characterized in that: The bottom ends of the limit blocks (602) are each provided with a guide arc (6021).

8. The low alloy steel combined ball mill liner according to claim 1, characterized in that: The upper surface of the outer lining plate (2) is symmetrically provided with protrusions.

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