Assembled protective lining for inner cylinder of sand mill
The modular design of the modular, modular protective liner solves the problem of high overall replacement cost of the inner liner of the sand mill cylinder, and enables individual replacement and length adjustment of the liner pieces, thus improving applicability and flexibility.
Patent Information
- Application Number
- CN202520323715.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing inner cylinder liner of the sand mill is integrally molded, which requires the whole machine to be replaced when damaged, increasing the replacement cost. In addition, inner cylinder liners of different lengths cannot be used interchangeably.
A modular protective liner that can be assembled is designed. The liner pieces can be replaced individually and their length adjusted through structures such as threaded rods, pins and pull plates. The modular design can be adapted to inner cylinders of different lengths.
It enables individual replacement and length adjustment of the inner lining, reducing maintenance costs and improving the applicability and flexibility of the lining.
Smart Images
Figure CN223875161U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand mill technical field, concretely is a kind of sand mill inner cylinder with the protection lining of assemblable. BACKGROUND
[0002] Sand mill is the most advanced, the most efficient grinding equipment of material adaptability, grinding cavity is most narrow, pole clearance minimum, grinding energy is most dense, cooperate high-performance cooling system and automatic control system, can realize material continuous processing continuous discharge, greatly improve production efficiency.
[0003] The existing sand mill inner cylinder lining when actually using, since it is mostly integrally formed, lead to when inner lining part position is damaged, the whole inner lining needs to be replaced, lead to replacement cost is too high, simultaneously since the length of sand mill inner cylinder is different, the length used by its inner cylinder lining is different. UTILITY MODEL CONTENTS
[0004] In view of the deficiency of prior art, the utility model provides a kind of sand mill inner cylinder with the protection lining of assemblable, with the advantages of modular replacement, length adjustable, solve the problem raised in the above background art.
[0005] The utility model provides following technical scheme: a kind of sand mill inner cylinder with the protection lining of assemblable, including upper fixed frame, the inner wall sliding connection of upper fixed frame has lining piece, the bottom of upper fixed frame is respectively fixedly installed with upper connecting block one and upper connecting block two, the bottom of upper fixed frame is equipped with lower fixed frame, the top of lower fixed frame is respectively fixedly installed with lower connecting block one and lower connecting block two, the bottom of upper connecting block one is fixedly installed with telescopic strip one, the bottom of upper connecting block two is fixedly installed with telescopic strip two, the outer wall of telescopic strip one is equipped with slot, the inner wall sliding connection of lower connecting block one is equipped with pull plate, the outer wall of pull plate is fixedly installed with connecting plate, the outer wall of connecting plate is fixedly installed with transverse plate, the inner wall of lower connecting block one is fixedly installed with limit post, the inner wall of lower connecting block one is equipped with spring one, the outer wall of pull plate is fixedly installed with bolt, the inner wall of upper fixed frame is equipped with limit slot, the outer wall of lining piece is fixedly installed with limit strip, the inner wall of lower fixed frame is fixedly installed with extension lug, the inner wall of extension lug is rotatably connected with threaded rod, the inner wall of extension lug is respectively slidingly connected with moving block and moving plate, the outer wall both sides of moving plate are fixedly installed with plug post and telescopic block, the inner wall of extension lug is equipped with spring two, the inner wall of lining piece is equipped with lock slot.
[0006] As a preferred technical scheme of the utility model: the diameter of bolt is same with the diameter of plug post, and plug post and lock slot are coincided.
[0007] As a preferred technical scheme of the utility model: the threaded rod is through the moving block, and the threaded rod is in threaded connection with the moving block.
[0008] As a preferred technical scheme of the utility model: the bottom of the telescopic block and the top of the moving block are all inclined surfaces, and the bottom of the telescopic block is parallel with the top of the moving block.
[0009] As a preferred technical scheme of the utility model: the shape of the bolt is matched with the shape of the inner wall of the slot, and the bolt is located in the inside of the slot, the number of the slots is several, and the several slots are arranged in a straight line on the outer wall of the telescopic strip one.
[0010] As a preferred technical scheme of the utility model: the limiting column is through the horizontal plate, and the limiting column is in sliding connection with the horizontal plate.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1、The sand mill inner cylinder is used for the detachable protective inner lining, through rotating the threaded rod, and then the threaded rod is driven to move downwards through the threaded connection with the moving block, when the moving block no longer adheres to the telescopic block, spring two rebounds, the moving plate is pushed, and then the moving plate drives the insertion column to separate from the inner wall of the locking groove, and then the fixed relationship of the inner lining piece disappears, at this time, the inner lining piece can be replaced individually.
[0013] 2、The sand mill inner cylinder is used for the detachable protective inner lining, through pulling the pull plate, and then the pull plate drives the connecting plate to move, the connecting plate drives the horizontal plate to move, and then the horizontal plate compresses spring one, at this time, the pull plate drives the bolt to separate from the inner wall of the slot, at this time, the upper fixed frame and the lower fixed frame are pulled, and then the upper fixed frame drives the telescopic strip one to move through the upper connecting block one, and then drives the several slots on the outer wall of the telescopic strip one to move, the lower fixed frame drives the lower connecting block one to move, and then the distance between the upper fixed frame and the lower fixed frame increases, when the distance between the upper fixed frame and the lower fixed frame is appropriate, the pull plate is loosened, and then spring one rebounds, and the pull plate drives the bolt to move, at this time, the slot closest to the bolt is moved to the same height as the bolt, and the bolt enters the inside of the slot, and then the telescopic strip one and the telescopic strip two are fixed, and the distance between the upper fixed frame and the lower fixed frame is fixed. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is the lower connecting block sectional structure schematic view of the utility model;
[0016] Figure 3 It is the bolt structure schematic view of the utility model;
[0017] Figure 4 It is the limiting strip structure schematic view of the utility model.
[0018] Figure 5 It is the lining sheet section structure schematic view of the utility model.
[0019] In the drawing: 1, upper fixed frame; 2, inner lining sheet; 3, upper connecting block one; 4, lower fixed frame; 5, upper connecting block two; 6, lower connecting block one; 7, lower connecting block two; 8, telescopic strip one; 9, insertion slot; 10, telescopic strip two; 11, pull plate; 12, connecting plate; 13, horizontal plate; 14, limiting column; 15, spring one; 16, bolt; 17, limiting slot; 18, limiting strip; 19, extension protruding block; 20, threaded rod; 21, moving block; 22, moving plate; 23, spring two; 24, insertion column; 25, telescopic block; 26, lock slot. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.
[0021] Please refer to Figure 1 - Figure 5 A kind of sand mill inner cylinder is used to be assembled protective inner lining, including upper fixed frame 1, the inner wall of upper fixed frame 1 is slidably connected with inner lining sheet 2, the bottom of upper fixed frame 1 is fixedly installed with upper connecting block one 3 and upper connecting block two 5 respectively, the bottom of upper fixed frame 1 is equipped with lower fixed frame 4, the top of lower fixed frame 4 is fixedly installed with lower connecting block one 6 and lower connecting block two 7 respectively, the bottom of upper connecting block one 3 is fixedly installed with telescopic strip one 8, the bottom of upper connecting block two 5 is fixedly installed with telescopic strip two 10, the outer wall of telescopic strip one 8 is provided with insertion slot 9, the inner wall of lower connecting block one 6 is slidably connected with pull plate 11, the outer wall of pull plate 11 is fixedly installed with connecting plate 12, the outer wall of connecting plate 12 is fixedly installed with horizontal plate 13, the inner wall of lower connecting block one 6 is fixedly installed with limiting column 14, the inner wall of lower connecting block one 6 is equipped with spring one 15, the outer wall of pull plate 11 is fixedly installed with bolt 16, the inner wall of upper fixed frame 1 is provided with limiting slot 17, the outer wall of inner lining sheet 2 is fixedly installed with limiting strip 18, the inner wall of lower fixed frame 4 is fixedly installed with extension protruding block 19, the inner wall of extension protruding block 19 is rotatably connected with threaded rod 20, the inner wall of extension protruding block 19 is slidably connected with moving block 21 and moving plate 22 respectively, the outer wall of moving plate 22 is fixedly installed with insertion column 24 and telescopic block 25 on both sides, the inner wall of extension protruding block 19 is equipped with spring two 23, the inner wall of inner lining sheet 2 is provided with lock slot 26.
[0022] In the structure, the inner liner 2 is placed inside the upper fixed frame 1, and the limiting strip 18 is placed on the top of the limiting groove 17. At this time, the limiting strip 18 is moved to the inside of the limiting groove 17, so that the limiting strip 18 enters the inside of the limiting groove 17, and the limiting groove 17 limits the limiting strip 18, so that the limiting strip 18 limits the inner liner 2 inside the upper fixed frame 1.
[0023] In a preferred embodiment, the diameter of the plug pin 16 is the same as the diameter of the plug column 24, and the plug column 24 coincides with the lock groove 26.
[0024] In the structure, the moving plate 22 is moved, and the moving plate 22 drives the spring 23 to move in the direction of the lock groove 26, so that the plug column 24 enters the inside of the lock groove 26. At this time, the plug column 24 and the lock groove 26 form a connection relationship, the position of the plug column 24 is fixed by the lock groove 26, and the position of the inner liner 2 is fixed by the lock groove 26.
[0025] In a preferred embodiment, the threaded rod 20 penetrates the moving block 21, and the threaded rod 20 and the moving block 21 are in a threaded connection relationship.
[0026] In the structure, the threaded rod 20 is rotated, and the threads on the outer wall of the threaded rod 20 are rotated. At this time, the threaded rod 20 drives the moving block 21 to slide up and down on the inner wall of the extension block 19 through the threaded connection with the moving block 21.
[0027] In a preferred embodiment, the bottom of the telescopic block 25 and the top of the moving block 21 are both inclined surfaces, and the bottom of the telescopic block 25 is parallel to the top of the moving block 21.
[0028] In the structure, the moving block 21 is moved upward, and the inclined surface on the top of the moving block 21 is fitted with the inclined surface on the bottom of the telescopic block 25. At this time, the moving block 21 continues to move upward, and the inclined surface on the top of the moving block 21 extrudes the telescopic block 25 to both sides, so that the telescopic block 25 drives the moving plate 22 to move.
[0029] In a preferred embodiment, the shape of the plug pin 16 is matched with the shape of the inner wall of the plug slot 9, and the plug pin 16 is located inside the plug slot 9. The number of plug slots 9 is several, and the several plug slots 9 are arranged in a straight line on the outer wall of the telescopic strip 8.
[0030] In the structure, the spring 15 is elastically pushed to move the horizontal plate 13, and then the horizontal plate 13 drives the connecting plate 12 to move, and then the connecting plate 12 drives the pull plate 11 to move, and then the pull plate 11 drives the bolt 16 to move to the inside of the slot 9, and then the bolt 16 is fixed in the slot 9, and then the lower connecting block 6 and the telescopic strip 8 are fixed.
[0031] In a preferred embodiment: the limiting column 14 penetrates the horizontal plate 13, and the limiting column 14 is in sliding connection with the horizontal plate 13.
[0032] In the structure, the limiting column 14 penetrates the horizontal plate 13, and the limiting column 14 limits the horizontal plate 13, and then the limiting column 14 does not deviate when moving, and then the pull plate 11 does not deviate.
[0033] Working principle: when using the device, place the inner lining sheet 2 inside the upper fixed frame 1, and place the limiting strip 18 on the top of the limiting groove 17, then move the limiting strip 18 to the inside of the limiting groove 17, so that the limiting strip 18 enters the inside of the limiting groove 17, and the limiting groove 17 limits the limiting strip 18, so that the limiting strip 18 limits the inner lining sheet 2 inside the upper fixed frame 1, then press the inner lining sheet 2 down to the bottom, so that the bottom of the inner lining sheet 2 reaches the inner wall of the lower fixed frame 4, and the extension protrusion 19 enters the inner wall of the inner lining sheet 2, then rotate the threaded rod 20, so that the threads on the outer wall of the threaded rod 20 rotate, then the threaded rod 20 drives the moving block 21 to slide upward along the inner wall of the extension protrusion 19 through the threaded connection with the moving block 21, so that the inclined surface on the top of the moving block 21 is in contact with the inclined surface on the bottom of the telescopic block 25, then the moving block 21 continues to move upward, so that the inclined surface on the top of the moving block 21 squeezes the telescopic block 25 to the two sides, so that the telescopic block 25 drives the moving plate 22 to move, then the insertion column 24 enters the inside of the lock slot 26, so that a connecting relationship is formed between the insertion column 24 and the lock slot 26, so that the position of the inner lining sheet 2 is fixed, by fixing a plurality of inner lining sheets 2 inside the upper fixed frame 1, the plurality of inner lining sheets 2 form an inner lining, when the inner lining sheet 2 is damaged, it can be replaced, when it is necessary to adjust the distance between the upper fixed frame 1 and the lower fixed frame 4, pull the pull plate 11, so that the pull plate 11 drives the connecting plate 12 to move, the connecting plate 12 drives the horizontal plate 13 to move, so that the horizontal plate 13 compresses the spring one 15, then the pull plate 11 drives the latch 16 to separate from the inner wall of the insertion slot 9, then pull the upper fixed frame 1 and the lower fixed frame 4, so that the upper fixed frame 1 drives the telescopic strip one 8 to move through the upper connecting block one 3, so that the plurality of insertion slots 9 on the outer wall of the telescopic strip one 8 move, the lower fixed frame 4 drives the lower connecting block one 6 to move, so that the distance between the upper fixed frame 1 and the lower fixed frame 4 increases, when the distance between the upper fixed frame 1 and the lower fixed frame 4 is appropriate, release the pull plate 11, so that the spring one 15 rebounds, so that the pull plate 11 drives the latch 16 to move, then move the insertion slot 9 closest to the latch 16 to the same height as the latch 16, so that the latch 16 enters the inside of the insertion slot 9, so that the telescopic strip one 8 and the telescopic strip two 10 are fixed, so that the distance between the upper fixed frame 1 and the lower fixed frame 4 is fixed.
[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A replaceable protective lining for the inner cylinder of a sand mill, comprising an upper fixed frame (1), characterized in that: The inner wall of the upper fixed frame (1) is slidably connected with an inner lining (2), the bottom of the upper fixed frame (1) is fixedly provided with an upper connecting block one (3) and an upper connecting block two (5) respectively, the bottom of the upper fixed frame (1) is provided with a lower fixed frame (4), the top of the lower fixed frame (4) is fixedly provided with a lower connecting block one (6) and a lower connecting block two (7) respectively, the bottom of the upper connecting block one (3) is fixedly provided with an extension strip one (8), the bottom of the upper connecting block two (5) is fixedly provided with an extension strip two (10), the outer wall of the extension strip one (8) is provided with a slot (9), the inner wall of the lower connecting block one (6) is slidably connected with a pull plate (11), the outer wall of the pull plate (11) is fixedly provided with a connecting plate (12), the outer wall of the connecting plate (12) is fixedly provided with a horizontal plate (13), the inner wall of the lower connecting block one (6) is fixedly provided with a limiting column (14), the inner wall of the lower connecting block one (6) is provided with a spring one (15), the outer wall of the pull plate (11) is fixedly provided with a plug pin (16), the inner wall of the upper fixed frame (1) is provided with a limiting slot (17), the outer wall of the inner lining (2) is fixedly provided with a limiting strip (18), the inner wall of the lower fixed frame (4) is fixedly provided with an extension protrusion (19), the inner wall of the extension protrusion (19) is rotatably connected with a threaded rod (20), the inner wall of the extension protrusion (19) is slidably connected with a moving block (21) and a moving plate (22) respectively, the outer wall of the moving plate (22) is fixedly provided with a plug column (24) and an extension block (25) on both sides, the inner wall of the extension protrusion (19) is provided with a spring two (23), the inner wall of the inner lining (2) is provided with a locking slot (26).
2. A replaceable protective liner for the interior of a sand mill according to claim 1, characterized in that: The diameter of the plug pin (16) is the same as that of the plug column (24), and the plug column (24) coincides with the locking slot (26).
3. A replaceable protective liner for the interior of a sand mill according to claim 1, characterized in that: The threaded rod (20) penetrates the moving block (21), and the threaded rod (20) and the moving block (21) are in a threaded connection relationship.
4. A replaceable protective liner for the interior of a sand mill according to claim 1, characterized in that: The bottom of the extension block (25) and the top of the moving block (21) are both inclined surfaces, and the bottom of the extension block (25) is parallel to the top of the moving block (21).
5. A replaceable protective liner for the interior of a sand mill according to claim 1, characterized in that: The shape of the plug pin (16) is matched with the shape of the inner wall of the slot (9), and the plug pin (16) is located in the slot (9), a plurality of slots (9) are linearly arranged on the outer wall of the extension strip one (8).
6. A replaceable protective liner for the interior of a sand mill according to claim 1, characterized in that: The limiting column (14) penetrates the horizontal plate (13), and the limiting column (14) and the horizontal plate (13) are in a sliding connection.