Cement mill discharge grate structure

Abstract

This utility model discloses a cement mill discharge grate structure, relating to the field of discharge grate technology. It includes a base frame, multiple insertion plates, and a positioning plate. Both the insertion plates and the positioning plate are fan-shaped structures, with the two sides of the positioning plate overlapping and fitting with the two sides of the insertion plates. The base frame includes an outer edge and an inner edge, with a fixedly connected positioning frame between the outer and inner edges. The positioning frame has an insertion plate positioning area and a positioning plate positioning area. The insertion plate is positioned in the insertion plate positioning area, and the positioning plate is positioned in the positioning plate positioning area. A slot is provided on the outer edge corresponding to the insertion plate positioning area, and a locking block is provided on the outer arc edge of the insertion plate. The locking block engages with the slot. This utility model embeds the insertion plate into the slot on the outer edge, and the insertion plate and positioning plate are connected by side-overlapping, ensuring overall stability.

Description

Technical Field

[0001] This utility model relates to the field of discharge grate technology, and in particular to a discharge grate structure for a cement mill. Background Technology

[0002] The grinding tail of a cement mill is equipped with a discharge device, which includes a discharge grate. Since the discharge grate needs to be disassembled and replaced when worn or clogged, it is often designed as a multi-piece assembly. In an existing patent with publication number CN215277679U, a ball mill grate is disclosed, comprising multiple identical fan-shaped grate units, which are spliced ​​together to form a single unit. Each grate unit includes a working area in the middle and a first connecting area and a second connecting area located on opposite sides of the working area. A first groove is formed through the first connecting area, and a second groove is formed by a recess on the side of the second connecting area towards the working area. In two adjacent grate units, the first connecting area of ​​one grate unit overlaps the second connecting area of ​​the other grate unit, with the first groove aligned with the second groove. Screws pass through the first groove and the second groove sequentially to secure the two grate units. However, this patented technology only connects the two adjacent grate units by their sides, lacking a stable connection structure at the inner and outer arc edges of the grate, which poses a risk of loosening under the long-term impact of the grinding media. Utility Model Content

[0003] The purpose of this utility model is to provide a cement mill discharge grate structure to solve the problems mentioned in the background art.

[0004] The present invention adopts the following technical solution:

[0005] This utility model relates to a cement mill discharge grate structure, comprising a base frame, an insertion plate, and a positioning plate;

[0006] Both the insertion plate and the positioning plate are fan-shaped structures. There are multiple insertion plates and one positioning plate. Both the insertion plate and the positioning plate are provided with several slits. The two sides of the positioning plate overlap and fit with the two sides of the insertion plate. The insertion plate and the positioning plate together form a complete disc surface.

[0007] The base frame includes an outer edge and an inner edge, and a positioning frame is fixedly connected between the outer edge and the inner edge. The positioning frame is provided with multiple insertion plate positioning areas and one positioning plate positioning area. The insertion plates are respectively set on the insertion plate positioning areas, and the positioning plates are set on the positioning plate positioning areas.

[0008] A slot is provided on the outer edge corresponding to the positioning area of ​​the insertion plate, and a block is provided on the outer arc edge of the insertion plate, the block engaging with the slot.

[0009] The inner arc edges of the insertion plate and the positioning plate are fitted together on the inner edge by a bolt assembly.

[0010] Preferably, the positioning frame includes a plurality of sector-shaped strips arranged in a ring, with one end of each sector-shaped strip fixedly connected to the inner edge and the other end of each sector-shaped strip fixedly connected to the outer edge.

[0011] The waist of each of the aforementioned sector strips is fixedly connected by an annular plate.

[0012] Preferably, one side of the insertion plate is provided with a pressing bevel, and the other side of the insertion plate is provided with a covering bevel, wherein the covering bevel of one insertion plate overlaps the pressing bevel of an adjacent insertion plate;

[0013] One side of the positioning plate is provided with a positioning pressing edge, and the other side of the positioning plate is provided with a positioning covering edge. The positioning covering edge is superimposed on the pressing inclined edge of an adjacent insertion plate, and the upper surface of the positioning pressing edge is superimposed and engaged with the adjacent covering inclined edge.

[0014] Preferably, the pressing-in bevel and the end of the covering bevel near the outer edge, as well as the middle part of the pressing-in bevel and the covering bevel, are each provided with a first mounting hole;

[0015] The sector strip in the positioning area of ​​the insertion plate is provided with a second mounting hole, which corresponds one-to-one with the first mounting hole and is connected by a bolt assembly.

[0016] A third mounting hole is provided at one end of the positioning pressing edge and the positioning covering edge near the outer edge, at the middle of the positioning pressing edge and the positioning covering edge, at the middle of the centerline of the positioning plate and at one end near the outer edge;

[0017] The positioning plate has a fourth mounting hole on the fan-shaped strip in the positioning area. The fourth mounting hole corresponds to the third mounting hole and is connected by a bolt assembly.

[0018] Preferably, the inner edge is provided with a plurality of first inner mounting holes arranged in a ring;

[0019] The insertion plate and the positioning plate are provided with a second inner mounting hole on their inner arc, and the first inner mounting hole and the second inner mounting hole are connected by a bolt assembly.

[0020] Preferably, the base frame further includes a cover with a third inner mounting hole. The cover is fastened to the outer side of the inner arc of the insertion plate and the positioning plate. The third inner mounting hole, the second inner mounting hole, and the first inner mounting hole are connected by a bolt assembly.

[0021] Preferably, a supporting boss is provided on the side of the outer edge facing the inner edge, and the supporting boss supports the lower surface of the outer arc end of the insertion plate and the positioning plate.

[0022] Preferably, the grate is an arc-shaped structure with a large diameter at both ends and a narrow waist.

[0023] Preferably, the slot has an L-shaped structure, the slot includes a vertically arranged sliding groove, and the bottom of the sliding groove is provided with a horizontally arranged locking groove, the card block is slidably connected and engaged with the sliding groove and the locking groove.

[0024] Preferably, a push-in port is provided on the outer edge of the positioning area of ​​the positioning plate.

[0025] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0026] In this utility model, an outer edge and an inner edge are designed on the base frame. A slot is provided on the outer edge to insert the insertion plate into the slot. The insertion plate and the positioning plate are bolted to the positioning frame and the inner edge of the base frame. At the same time, the insertion plate and the positioning plate are connected by side stacking to ensure the overall stability. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] Figure 1 This is a front view of the cement mill discharge grate structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the base frame structure in the cement mill discharge grate structure of this utility model. Figure 1 ;

[0030] Figure 3 This is a schematic diagram of the base frame structure in the cement mill discharge grate structure of this utility model. Figure 2 ;

[0031] Figure 4 This is a schematic diagram of the insert plate structure in the cement mill discharge grate structure of this utility model;

[0032] Figure 5 This is a bottom view of the insert plate in the cement mill discharge grate structure of this utility model;

[0033] Figure 6This is a schematic diagram of the positioning plate structure in the cement mill discharge grate structure of this utility model;

[0034] Figure 7 This is a schematic diagram of the cover structure in the cement mill discharge grate structure of this utility model;

[0035] Figure 8 This is a schematic diagram of the slot structure in the cement mill discharge grate structure of this utility model;

[0036] Figure 9 This is a schematic diagram of the grate structure in the cement mill discharge grate of this utility model.

[0037] Explanation of reference numerals in the attached drawings: 1. Base frame; 1-1. Outer edge; 1-1-1. Supporting boss; 1-2. Inner edge; 1-2-1. First inner mounting hole; 1-2-2. Second inner mounting hole; 1-3. Positioning frame; 1-3-1. Sector-shaped strip; 1-3-2. Annular plate; 1-4. Insertion plate positioning area; 1-4-1. Second mounting hole; 1-5. Positioning plate positioning area; 1-5-1. Fourth mounting hole; 1-5-2, Push-in entrance; 1-6, Slot; 1-6-1, Slide-in slot; 1-6-2, Engagement slot; 1-7, Cover; 1-7-1, Third inner mounting hole; 2, Insert plate; 2-1, Press-in bevel; 2-2, Cover bevel; 2-3, Locking block; 2-4, First mounting hole; 3, Positioning plate; 3-1, Positioning press-in edge; 3-2, Positioning cover edge; 3-3, Third mounting hole; 4, Grate seam. Detailed Implementation

[0038] To make the technical problems, technical solutions and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0039] like Figure 1 As shown in the figure, this embodiment discloses a cement mill discharge grate structure, including a base frame 1, an insertion plate 2, and a positioning plate 3. The insertion plate 2 has a fan-shaped structure and multiple insertion plates are provided, while the positioning plate 3 has a fan-shaped structure and one positioning plate is provided. Both the insertion plate 2 and the positioning plate 3 have a number of grate slots 4. The two sides of the positioning plate 3 overlap and fit with the two sides of the insertion plate 2 and are connected together by bolts. The insertion plate and the positioning plate together form a complete disc surface.

[0040] like Figure 2As shown, the base frame 1 includes an outer edge 1-1 and an inner edge 1-2. A positioning frame 1-3 is fixedly connected between the outer edge 1-1 and the inner edge 1-2. The positioning frame 1-3 is provided with multiple insertion plate positioning areas 1-4 and one positioning plate positioning area 1-5. Insertion plates 2 are correspondingly set on the insertion plate positioning areas 1-4, and positioning plates 3 are set on the positioning plate positioning areas 1-5. The inner arc edges of the insertion plates 2 and the positioning plates 3 are attached to each other and are set on the inner edge 1-2 by bolt assemblies.

[0041] like Figure 2 and Figure 4 As shown, a slot 1-6 is provided on the outer edge 1-1 corresponding to the positioning area 1-4 of the insertion plate, and a block 2-3 is provided on the outer arc edge of the insertion plate 2. The block 2-3 is engaged with the slot 1-6.

[0042] like Figures 3 to 6 As shown, the positioning frame 1-3 includes multiple sector strips 1-3-1, which are arranged in a ring. One end of each sector strip 1-3-1 is fixedly connected to the inner edge 1-2, and the other end is fixedly connected to the outer edge 1-1. Meanwhile, the waists of each sector strip 1-3-1 are fixedly connected together by a ring plate 1-3-2 for reinforcement.

[0043] One side of the insertion plate 2 is provided with a pressing bevel 2-1, and the other side of the insertion plate 2 is provided with a covering bevel 2-2. During assembly, if... Figure 3 As shown, first install the first insertion plate 2 on the left side of the positioning plate positioning area 1-5, slide the card block 2-3 of the insertion plate 2 into the card slot 1-6, and install the other insertion plates 2 in a counterclockwise direction, so that the adjacent two covering inclined edges 2-2 and pressing inclined edges 2-1 are stacked together.

[0044] The positioning plate 3 has a positioning pressing edge 3-1 on one side and a positioning covering edge 3-2 on the other side. During assembly, after all the insert plates 2 are stacked one by one, the positioning plate 3 is placed in the last one, so that the positioning covering edge 3-2 is stacked on the pressing oblique edge 2-1 of the adjacent insert plate 2, and the upper surface of the positioning pressing edge 3-1 is stacked and fitted with the adjacent covering oblique edge 2-2.

[0045] In this embodiment, a first mounting hole 2-4 is provided at one end of the pressed-in inclined edge 2-1 and the covered inclined edge 2-2 near the outer edge 1-1, and at the middle part of the pressed-in inclined edge 2-1 and the covered inclined edge 2-2.

[0046] The sector strip 1-3-1 of the insertion plate positioning area 1-4 is provided with a second mounting hole 1-4-1, which corresponds one-to-one with the first mounting hole 2-4 and is connected by a bolt assembly. In this embodiment, the second mounting hole 1-4-1 corresponding to the first mounting hole 2-4 that presses into the inclined edge 2-1 and covers the middle of the inclined edge 2-2 is located on the annular plate 1-3-2.

[0047] A third mounting hole 3-3 is provided at one end of the positioning pressing edge 3-1 and the positioning covering edge 3-2 near the outer edge 1-1, at the middle of the positioning pressing edge 3-1 and the positioning covering edge 3-2, at the middle of the center line of the positioning plate 3 and at one end near the outer edge 1-1.

[0048] A fourth mounting hole 1-5-1 is provided on the fan-shaped strip 1-3-1 of the positioning area 1-5 of the positioning plate. The fourth mounting hole 1-5-1 corresponds one-to-one with the third mounting hole 3-3 and is connected by a bolt assembly. In this embodiment, the fourth mounting hole 1-5-1 corresponding to the third mounting hole 3-3 in the middle of the positioning pressing edge 3-1 and the middle of the positioning covering edge 3-2 and the center line of the positioning plate 3 is located on the annular plate 1-3-2. During installation, the third mounting hole 3-3 on the positioning pressing edge 3-1, the first mounting hole 2-4 on the adjacent covering edge 2-2 and the corresponding fourth mounting hole 1-5-1 are connected by a bolt assembly; the third mounting hole 3-3 on the positioning covering edge 3-2, the first mounting hole 2-4 on the adjacent pressing edge 2-1 and the corresponding fourth mounting hole 1-5-1 are connected by a bolt assembly; the third mounting hole 3-3 on the center line of the positioning plate 3 and the corresponding fourth mounting hole 1-5-1 are connected by a bolt assembly.

[0049] In this embodiment, a plurality of first inner mounting holes 1-2-1 arranged in a ring are provided on the inner edge 1-2. Second inner mounting holes 1-2-2 are provided on the inner arc of the insertion plate 2 and the positioning plate 3. The first inner mounting holes 1-2-1 and the second inner mounting holes 1-2-2 are connected by bolt assemblies.

[0050] like Figure 7 As shown, the base frame 1 also includes a cover 1-7. The cover 1-7 is provided with a third inner mounting hole 1-7-1. The cover 1-7 is fastened to the outer side of the inner arc of the insertion plate 2 and the positioning plate 3. During installation, the bolts are passed through the third inner mounting hole 1-7-1, the second inner mounting hole 1-2-2, and the first inner mounting hole 1-2-1 in sequence and tightened with nuts. This makes the cover 1-7 secure the inner arc end of the insertion plate 2 and the positioning plate 3. At the same time, it can also protect the inner arc end of the insertion plate 2 and the positioning plate 3 from impact by the grinding media.

[0051] like Figure 8As shown, in this embodiment, the slot 1-6 has an L-shaped structure. The slot 1-6 includes a vertically arranged sliding groove 1-6-1, and a horizontally arranged locking groove 1-6-2 is provided at the bottom of the sliding groove 1-6-1. The locking block 2-3 is slidably connected to the sliding groove 1-6-1 and the locking groove 1-6-2. When installing the insertion plate 2, the locking block 2-3 of the insertion plate 2 is pushed into the sliding groove 1-6-1 to the bottom, and then slid into the horizontal end of the locking groove 1-6-2. After placement, the first mounting hole 2-4 and the second mounting hole 1-4-1 are perfectly aligned. Through the design of the locking block 2-3, the sliding groove 1-6-1, and the locking groove 1-6-2, the outer arc end of the insertion plate 2 and the outer edge 1-1 form a limiting structure, avoiding displacement or loosening of the insertion plate 2 in the direction perpendicular to the plane of the base frame 1 due to the impact of the grinding media. It should be noted that the length of the locking groove 1-6-2 is longer than the maximum width of the pressing bevel 2-1 and the covering bevel 2-2, and when the locking block 2-3 slides into the lateral end of the locking groove 1-6-2, the first mounting hole 2-4 and the second mounting hole 1-4-1 correspond and fit together perfectly.

[0052] In this embodiment, a supporting boss 1-1-1 is provided on the side of the outer edge 1-1 facing the inner edge 1-2. The supporting boss 1-1-1 supports the lower surface of the outer arc end of the insertion plate 2 and the positioning plate 3. The supporting boss 1-1-1 not only supports the insertion plate 2 and the positioning plate 3, but also plays an auxiliary positioning role in the installation.

[0053] like Figure 3 As shown, in this embodiment, a push-in port 1-5-2 is provided on the outer edge 1-1 where the positioning plate positioning area 1-5 is located. The push-in port 1-5-2 is an arc-shaped groove provided on the outer edge 1-1. The bottom of the arc-shaped groove is flush with the supporting boss 1-1-1. The purpose of the push-in port 1-5-2 is to increase the space for the positioning plate 3 to be placed in the positioning area 1-5 of the positioning plate, so that the positioning pressing edge 3-1 of the positioning plate 3 can be inserted under the adjacent pressing inclined edge 2-2. During installation, the outer arc edge of the positioning plate 3 can be placed in the push-in port 1-5-2 first, the positioning pressing edge 3-1 can be inserted under the adjacent pressing inclined edge 2-2, the positioning pressing edge 3-2 can be aligned with the adjacent pressing inclined edge 2-1, and then it can be slid towards one side of the inner edge 1-2 until the positioning pressing edge 3-1 and the pressing inclined edge 2-2, the positioning pressing edge 3-2 and the pressing inclined edge 2-1, and the corresponding mounting holes are properly matched.

[0054] like Figure 9 As shown, the grate 4 has an arc-shaped structure with a large diameter at both ends and a narrow waist. This smooth transition of the hole structure can help reduce the clogging caused by large particles.

[0055] In this embodiment, all mounting holes are countersunk holes.

[0056] It should be noted that in some embodiments, the outer edge 1-1, inner edge 1-2, insertion plate positioning area 1-4, positioning plate positioning area 1-5, slot 1-6, insertion plate 2, positioning plate 3, etc. can be set on both sides of the positioning frame 1-3. When the insertion plate 2, positioning plate 3, etc. are set on both sides of the positioning frame 1-3, they can be used as a compartment grate.

[0057] The assembly process of this utility model is as follows:

[0058] First, install the first insertion plate 2 on the left side of the positioning area 1-5 of the positioning plate. Push the locking block 2-3 of the insertion plate 2 into the sliding groove 1-6-1 to the bottom, and then slide it into the transverse end of the locking groove 1-6-2. Then install the second insertion plate 2 in a counterclockwise direction. Align the first mounting hole 2-4 on the pressing edge 2-2 and the first mounting hole 2-4 on the pressing edge 2-1 with the corresponding second mounting hole 1-4-1. Secure the three together with bolts. Then, insert the other insertion plates 2 in sequence and install them on the positioning frame 1-3 in the same way as described above.

[0059] After all the insert plates 2 are installed, first place the outer arc edge of the positioning plate 3 into the push-in port 1-5-2, insert the positioning pressing edge 3-1 below the adjacent pressing bevel 2-2, align the positioning pressing edge 3-2 with the adjacent pressing bevel 2-1, and then slide it towards one side of the inner edge 1-2 to ensure that the third mounting hole 3-3 on the positioning pressing edge 3-1, the first mounting hole 2-4 on the adjacent pressing bevel 2-2, and the corresponding fourth mounting hole 1-5-1 are properly matched; and ensure that the third mounting hole 3-3 on the positioning pressing edge 3-2, the first mounting hole 2-4 on the adjacent pressing bevel 2-1, and the corresponding fourth mounting hole 1-5-1 are properly matched; similarly, the third mounting hole 3-3 on the center line of the positioning plate 3 is properly matched with the corresponding fourth mounting hole 1-5-1; and connect all the mounting holes with bolt assemblies. Finally, fasten the cover 1-7 onto the outer side of the inner arc of the insertion plate 2 and the positioning plate 3, and tighten the third inner mounting hole 1-7-1, the second inner mounting hole 1-2-2, and the first inner mounting hole 1-2-1 using the bolt assembly.

[0060] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A cement mill discharge grate structure, characterized in that: It includes a base frame (1), an insertion plate (2), and a positioning plate (3); Both the insertion plate (2) and the positioning plate (3) are fan-shaped structures. Multiple insertion plates (2) are provided, and one positioning plate (3) is provided. Both the insertion plate (2) and the positioning plate (3) are provided with several slits (4). The two sides of the positioning plate (3) overlap and cooperate with the two sides of the insertion plate (2). The insertion plate (2) and the positioning plate (3) together form a complete disc surface. The base frame (1) includes an outer edge (1-1) and an inner edge (1-2). A positioning frame (1-3) is fixedly connected between the outer edge (1-1) and the inner edge (1-2). The positioning frame (1-3) is provided with multiple insertion plate positioning areas (1-4) and one positioning plate positioning area (1-5). The insertion plates (2) are respectively arranged on the insertion plate positioning areas (1-4), and the positioning plates (3) are arranged on the positioning plate positioning areas (1-5). A slot (1-6) is provided on the outer edge (1-1) corresponding to the positioning area (1-4) of the insertion plate, and a block (2-3) is provided on the outer arc edge of the insertion plate (2), and the block (2-3) is engaged with the slot (1-6). The inner arc edges of the insertion plate (2) and the positioning plate (3) are fitted together by bolt assembly on the inner edge (1-2).

2. The cement mill discharge grate structure according to claim 1, characterized in that: The positioning frame (1-3) includes a plurality of sector strips (1-3-1), which are arranged in a ring. One end of each sector strip (1-3-1) is fixedly connected to the inner edge (1-2), and the other end of each sector strip (1-3-1) is fixedly connected to the outer edge (1-1). The waist of each of the aforementioned sector strips (1-3-1) is fixedly connected by an annular plate (1-3-2).

3. The cement mill discharge grate structure according to claim 2, characterized in that: One side of the insertion plate (2) is provided with a pressing inclined edge (2-1), and the other side of the insertion plate (2) is provided with a covering inclined edge (2-2). The covering inclined edge (2-2) of one insertion plate (2) overlaps the pressing inclined edge (2-1) of an adjacent insertion plate (2). The positioning plate (3) has a positioning pressing edge (3-1) on one side and a positioning covering edge (3-2) on the other side. The positioning covering edge (3-2) overlaps on the pressing oblique edge (2-1) of an adjacent insertion plate (2). The upper surface of the positioning pressing edge (3-1) overlaps with the adjacent covering oblique edge (2-2).

4. The cement mill discharge grate structure according to claim 3, characterized in that: The pressing-in bevel (2-1) and the covering bevel (2-2) are each provided with a first mounting hole (2-4) at one end near the outer edge (1-1) and at the middle part of the pressing-in bevel (2-1) and the covering bevel (2-2); The sector strip (1-3-1) of the insertion plate positioning area (1-4) is provided with a second mounting hole (1-4-1), and the second mounting hole (1-4-1) corresponds one-to-one with the first mounting hole (2-4) and is connected by a bolt assembly; The positioning pressing edge (3-1) and the positioning covering edge (3-2) are provided with a third mounting hole (3-3) at one end near the outer edge (1-1), at the middle of the positioning pressing edge (3-1) and the positioning covering edge (3-2), at the middle of the center line of the positioning plate (3) and at one end near the outer edge (1-1); The positioning area (1-5) of the positioning plate is provided with a fourth mounting hole (1-5-1) on the fan-shaped strip (1-3-1). The fourth mounting hole (1-5-1) corresponds one-to-one with the third mounting hole (3-3) and is connected by a bolt assembly.

5. The cement mill discharge grate structure according to claim 1, characterized in that: The inner edge (1-2) is provided with a plurality of first inner mounting holes (1-2-1) arranged in a ring; The insertion plate (2) and the positioning plate (3) are provided with a second inner mounting hole (1-2-2) on their inner arcs. The first inner mounting hole (1-2-1) and the second inner mounting hole (1-2-2) are connected by a bolt assembly.

6. The cement mill discharge grate structure according to claim 5, characterized in that: The base frame (1) also includes a cover (1-7), on which a third inner mounting hole (1-7-1) is provided. The cover (1-7) is fastened to the outer side of the inner arc of the insertion plate (2) and the positioning plate (3). The third inner mounting hole (1-7-1), the second inner mounting hole (1-2-2), and the first inner mounting hole (1-2-1) are connected by a bolt assembly.

7. The cement mill discharge grate structure according to claim 1, characterized in that: A supporting boss (1-1-1) is provided on the side of the outer edge (1-1) facing the inner edge (1-2), and the supporting boss (1-1-1) supports the lower surface of the outer arc end of the insertion plate (2) and the positioning plate (3).

8. The cement mill discharge grate structure according to claim 1, characterized in that: The comb seam (4) is an arc-shaped structure with a large diameter at both ends and a narrow waist.

9. The cement mill discharge grate structure according to claim 1, characterized in that: The slot (1-6) has an L-shaped structure. The slot (1-6) includes a vertically arranged sliding groove (1-6-1). The bottom of the sliding groove (1-6-1) is provided with a horizontally arranged locking groove (1-6-2). The locking block (2-3) is slidably connected and engaged with the sliding groove (1-6-1) and the locking groove (1-6-2).

10. The cement mill discharge grate structure according to claim 1, characterized in that: A push-in port (1-5-2) is provided on the outer edge (1-1) of the positioning area (1-5) of the positioning plate.

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