Damping mounting structure of mute crusher blade

Abstract

The utility model relates to the technical field of crusher devices, and discloses a damping mounting structure of a mute crusher blade, which comprises a rotating shaft, the outer side of the rotating shaft is fixedly connected with a transmission key, the outer side of the rotating shaft is sleeved with a blade body, and the right side of the outer surface of the rotating shaft is fixedly connected with a limiting plate. The left side of the outer surface of the rotating shaft is sleeved with a rubber pad, an annular pressing plate is arranged on the left side of the rubber pad, a fixing unit is arranged on the left side of the annular pressing plate, and through grooves are formed in the surfaces of the upper side and the lower side of the transmission key. According to the cutting device, through the cooperation of the limiting plate, the rubber pad, the annular pressing plate and the fixing unit, the blade body connected to the outer side of the rotating shaft in a sleeving mode can be limited, the blade body is prevented from shaking and shifting in the left-right direction, and through the cooperation of the through groove, the supporting transverse rod, the extrusion strip and the U-shaped rubber strip, the blade body can be fixed conveniently. And a gap between the transmission key and a key groove formed in the blade body is filled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pulverizer device technical field especially, relates to a shock attenuation mounting structure of silent pulverizer blade. BACKGROUND

[0002] The pulverizer is a kind of commonly used mechanical equipment, can be ground into granular material with the material of larger volume, is driven by motor to rotate at high speed to impact material, and the silent pulverizer is a kind of equipment with lower noise in the process of grinding, is widely used in plastic processing, laboratory, pharmacy, food and other industries, and the cutter is one of important components in the pulverizer, is the core of the whole machine, is composed of blade and shaft two parts, one end is rotatably connected with device shell, and the other end is fixedly connected with power source, when motor starts, can drive cutter to rotate, realizes the grinding of material, simultaneously, blade can also be individually disassembled and replaced after long time use appears wear, to ensure the grinding effect of pulverizer, and the shaft is reused, reduces cost loss.

[0003] And the existing blade and shaft are installed and disassembled for many times and used for a long time, although the shaft does not reach the scrap standard, but surface inevitably appears wear, and since the blade and the shaft are connected by key to transmit torque, prevent the relative sliding of blade on the shaft, once the surface of key appears wear, will cause the gap between the blade, cause the loosening of blade on the shaft, will affect the rotation accuracy of blade, makes it swing or shake phenomenon in the process of rotation, further lead to the decline of the running stability of the whole equipment, produces abnormal noise, even causes damage to other parts of equipment, therefore, a shock attenuation mounting structure of silent pulverizer blade is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0004] In order to make up for the above insufficient, the utility model provides a shock attenuation mounting structure of silent pulverizer blade, aims at improving the surface of key on the shaft after long time use in prior art, further influence the precision fit effect with blade, lead to the problem of abnormal wear and noise.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a mute pulverizer blade's damping mounting structure, including the pivot, the outer side fixed connection of pivot has the transmission key, the outer side sleeve of pivot has the blade body, the outer surface right side fixed connection of pivot has the limit board, the outer surface left side sleeve of pivot has the rubber pad, the left side of rubber pad is provided with annular pressing plate, the left side of annular pressing plate is provided with fixed unit, the fixed unit is used for the fixed connection between annular pressing plate and pivot, the left side surface of transmission key is open and is arranged in the structure, the upper and lower two side surfaces of transmission key all are set up with the through slot, the inside fixed connection of transmission key has the support cross bar, the inside left side of transmission key is inserted with extrusion strip, the outer side sleeve of support cross bar has U type rubber strip.

[0006] As further description of the above technical scheme:

[0007] The right side surface of the blade body and the left side surface of the limit plate are mutually attached, and the left side surface of the blade body and the right side surface of the rubber pad are mutually attached.

[0008] As further description of the above technical scheme:

[0009] The annular pressing plate is sleeved on the outer side of the pivot, and the right side of the rubber pad and the left side surface of the transmission key are mutually attached.

[0010] As further description of the above technical scheme:

[0011] The right side surface of the extrusion strip and the left side surface of the U-shaped rubber strip are mutually attached, and the right side surface of the U-shaped rubber strip and the right side inner wall surface of the transmission key are fixedly connected.

[0012] As further description of the above technical scheme:

[0013] The upper and lower two side surfaces of the U-shaped rubber strip are located inside the through slot of the upper and lower two sides of the transmission key.

[0014] As further description of the above technical scheme:

[0015] The fixed unit includes a side plate, the side plate is fixedly connected to the left side surface of the annular pressing plate, the outer side of the side plate is provided with a bolt, and the outer side surface of the pivot is provided with a screw hole.

[0016] As further description of the above technical scheme:

[0017] One end of the bolt close to the side plate penetrates the side plate, and the other end of the bolt close to the side plate is screw-connected with the inner thread of the screw hole.

[0018] As further description of the above technical scheme:

[0019] The inner wall surface of the annular pressing plate is fixedly connected with a guide block, and the outer wall surface left side of the rotating shaft is provided with a guide groove in sliding connection with the guide block.

[0020] The utility model has the advantages of the following:

[0021] 1、The utility model discloses a limiting plate, rubber pad, annular pressing plate and fixed unit's cooperation can be positioned to the blade body of sleeve joint to the rotating shaft outside, avoid its left and right direction's wobble deviation, and through the cooperation of the through groove, support cross bar, extrusion strip and U type rubber strip, the gap between the transmission key and the keyway set up in the blade body is filled, avoids the transmission key to appear wear and tear after long -term use, causes the cooperation when appearing gap with the keyway, and further produces abnormal wear and tear and noise.

[0022] 2、The utility model discloses a guide block and guide groove's cooperation can guide the position of annular pressing plate's movement, make annular pressing plate can drive side plate and bolt fast movement to the screw hole, promote the fixed mounting speed of annular pressing plate, and further promote the installation efficiency of blade whole. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall schematic view of the shock attenuation mounting structure of the mute pulverizer blade proposed in the utility model;

[0024] Figure 2 It is the schematic view of the rotating shaft of the shock attenuation mounting structure of the mute pulverizer blade proposed in the utility model;

[0025] Figure 3 It is the schematic view of the annular pressing plate and rubber pad of the shock attenuation mounting structure of the mute pulverizer blade proposed in the utility model after splitting;

[0026] Figure 4 It is the schematic view of the rotating shaft of the shock attenuation mounting structure of the mute pulverizer blade proposed in the utility model after splitting after the front part section;

[0027] Figure 5 It is the schematic view of the shock attenuation mounting structure of the mute pulverizer blade proposed in the utility model; Figure 4 Part A.

[0028] LEGEND:

[0029] 1, rotating shaft;2, transmission key;3, blade body;4, limiting plate;5, rubber pad;6, annular pressing plate;7, fixed unit;71, side plate;72, bolt;73, screw hole;8, through groove;9, support cross bar;10, extrusion strip;11, U type rubber strip;12, guide block;13, guide groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] With reference to Figures 1-2 The utility model provides an embodiment: a kind of mute pulverizer blade shock attenuation installation structure, the outer side of rotating shaft 1 is fixedly connected with transmission key 2, the outer side of rotating shaft 1 is equipped with blade body 3, the inner wall surface of blade body 3 is equipped with the key groove compatible with transmission key 2, it can be driven blade body 3 synchronous rotation when rotating shaft 1 is rotated by the cooperation of transmission key 2 and key groove, realize the comminution of material, this is prior art means in the field, not described here.

[0032] The outer surface right side of rotating shaft 1 is fixedly connected with limit plate 4, the right side surface of blade body 3 and the left side surface of limit plate 4 mutually adhere to each other, limit plate 4 can limit the right side surface of blade body 3, the outer surface left side of rotating shaft 1 is equipped with rubber pad 5, the left side surface of blade body 3 and the right side surface of rubber pad 5 mutually adhere to each other, the right side of rubber pad 5 and the left side surface of transmission key 2 mutually adhere to each other, the left side of rubber pad 5 is provided with annular pressing plate 6, annular pressing plate 6 is sleeved on the outer side of rotating shaft 1.

[0033] When annular pressing plate 6 moves and installs to right side, rubber pad 5 can be pushed, blade body 3 is limited between rubber pad 5 and limit plate 4, avoid the deviation of blade body 3 in the process of rotation in left and right directions, simultaneously, annular pressing plate 6 can extrude rubber pad 5, so that rubber pad 5 compression deformation, further fill the gap between blade body 3, further avoid its in the process of shaking.

[0034] With reference to Figures 3-5 The left side of annular pressing plate 6 is provided with fixed unit 7, and the fixed unit 7 comprises a side plate 71 fixedly connected to the left side surface of the annular pressing plate 6. A screw 72 is provided on the outer side of the side plate 71. A screw hole 73 is formed on the outer side surface of the rotating shaft 1. One end of the screw 72 near the side plate 71 penetrates the side plate 71. The one end of the screw 72 near the side plate 71 is threadedly connected with the inside of the screw hole 73. When the annular pressing plate 6 moves to align with the screw hole 73, the screw 72 can be screwed into the inside of the screw hole 73, and the fixation of the side plate 71 and the annular pressing plate 6 is completed. At this time, the annular pressing plate 6 will extrude the rubber pad 5, so that the rubber pad 5 is compressed to improve the limiting effect on the blade body 3.

[0035] The left side surface of the transmission key 2 is provided in an open structure, both upper and lower side surfaces of the transmission key 2 are provided with through grooves 8, the inside of the transmission key 2 is fixedly connected with a support cross rod 9, the support cross rod 9 can improve the overall strength and durability of the transmission key 2, the inside left side of the transmission key 2 is inserted with an extrusion strip 10, the outside of the support cross rod 9 is sleeved with a U-shaped rubber strip 11, the length of the extrusion strip 10 is longer than the distance between the left side surface of the U-shaped rubber strip 11 when not being extruded and the left side surface of the transmission key 2, the right side surface of the extrusion strip 10 and the left side surface of the U-shaped rubber strip 11 are mutually attached, the right side surface of the U-shaped rubber strip 11 is fixedly connected with the right side inner wall surface of the transmission key 2, both upper and lower side surfaces of the U-shaped rubber strip 11 are located inside the through grooves 8 on both upper and lower sides of the transmission key 2, when the extrusion strip 10 is right shifted under pressure, the U-shaped rubber strip 11 will be extruded, and then the upper and lower sides of the U-shaped rubber strip 11 will be deformed outward, filling the gap between the transmission key 2 and the blade body 3.

[0036] Referring to Figures 3-4 The inner wall surface of the annular pressing plate 6 is fixedly connected with a guide block 12, the outer wall surface left side of the rotating shaft 1 is provided with a guide groove 13, the guide block 12 and the guide groove 13 are slidably connected, the guide block 12 can only move linearly in the left and right directions inside the guide groove 13, and then the movement of the annular pressing plate 6 can be guided, so that the annular pressing plate 6 can quickly drive the side plate 71 and the bolt 72 to move to the screw hole 73, and the installation efficiency can be improved.

[0037] Working principle: after aligning the key groove on the blade body 3 with the transmission key 2, the blade body 3 is sleeved on the outside of the rotating shaft 1, then the rubber pad 5 and the annular pressing plate 6 are sequentially installed on the left side of the rotating shaft 1, through the cooperation of the guide groove 13 and the guide block 12, the annular pressing plate 6 quickly drives the side plate 71 and the bolt 72 to move to the screw hole 73, at this time, directly screwing the bolt 72 into the screw hole 73 inside can complete the fixation of the side plate 71 and the annular pressing plate 6, at the same time, the annular pressing plate 6 will extrude and push the rubber pad 5 and the extrusion strip 10 to the right side, the rubber pad 5 will be deformed to fill the gap between the blade body 3 and the annular pressing plate 6, and then cooperate with the limiting plate 4 to stably limit the blade body 3, avoiding the left and right shaking of the blade body 3, and the right shifted extrusion strip 10 will extrude the U-shaped rubber strip 11, so that the upper and lower sides of the U-shaped rubber strip 11 are deformed outward through the through groove 8, filling the gap between the transmission key 2 and the blade body 3, ensuring the tightness and stability of the connection between the transmission key 2 and the blade body 3, avoiding loosening after long time use, resulting in abnormal wear and noise.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A shock absorbing mounting structure for a silent pulverizer blade including a rotating shaft (1), characterized by: The outer side of the rotating shaft (1) is fixedly connected with a transmission key (2), the outer side of the rotating shaft (1) is sleeved with a blade body (3), the outer surface of the rotating shaft (1) is fixedly connected with a limiting plate (4), the outer surface of the rotating shaft (1) is sleeved with a rubber pad (5) on the left side, the left side of the rubber pad (5) is provided with an annular pressing plate (6), the left side of the annular pressing plate (6) is provided with a fixing unit (7), the fixing unit (7) is used for the fixed connection between the annular pressing plate (6) and the rotating shaft (1), the left side surface of the transmission key (2) is provided in an open structure, the upper and lower side surfaces of the transmission key (2) are both provided with a through groove (8), the transmission key (2) is fixedly connected with a supporting cross rod (9) inside, the transmission key (2) is inserted with an extrusion strip (10) on the left side inside, and the outer side of the supporting cross rod (9) is sleeved with a U-shaped rubber strip (11).

2. The shock absorbing mounting structure for a pulverizer blade according to claim 1, characterized by: The right side surface of the blade body (3) and the left side surface of the limiting plate (4) are mutually attached, and the left side surface of the blade body (3) and the right side surface of the rubber pad (5) are mutually attached.

3. The shock absorbing mounting structure for a pulverizer blade according to claim 1, characterized by: The annular pressing plate (6) is sleeved on the outer side of the rotating shaft (1), and the right side of the rubber pad (5) and the left side surface of the transmission key (2) are mutually attached.

4. The shock absorbing mounting structure for a pulverizer blade according to claim 1, characterized by: The right side surface of the extrusion strip (10) and the left side surface of the U-shaped rubber strip (11) are mutually attached, and the right side surface of the U-shaped rubber strip (11) and the right side inner wall surface of the transmission key (2) are fixedly connected.

5. The shock absorbing mounting structure for a silent pulverizer blade according to claim 1, characterized by: The upper and lower side surfaces of the U-shaped rubber strip (11) are both located inside the through grooves (8) on the upper and lower sides of the transmission key (2).

6. The shock absorbing mounting structure for a pulverizer blade according to claim 1, characterized by: The fixing unit (7) comprises a side plate (71) fixedly connected to the left side surface of the annular pressing plate (6), a bolt (72) is arranged on the outer side of the side plate (71), and a screw hole (73) is arranged on the outer side surface of the rotating shaft (1).

7. The shock absorbing mounting structure for a silent pulverizer blade according to claim 6, characterized by: One end of the bolt (72) close to the side plate (71) penetrates the side plate (71), and the other end of the bolt (72) close to the side plate (71) is threadedly connected with the screw hole (73).

8. The shock absorbing mounting structure for a pulverizer blade according to claim 1, characterized by: The inner wall surface of the annular pressing plate (6) is fixedly connected with a guide block (12), the outer wall surface of the rotating shaft (1) is provided with a guide groove (13) on the left side, and the guide block (12) and the guide groove (13) are in sliding connection.

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