Hammerhead mounting structure for impact mill

Abstract

The utility model discloses a hammerhead mounting structure for an impact mill. The hammerhead mounting structure comprises a rotating disc, a plurality of mounting assemblies are uniformly distributed on the top surface of the rotating disc, each mounting assembly comprises a clamping groove formed in the top surface of the rotating disc, a limiting groove is formed in the inner side of each clamping groove, and a bayonet socket is inserted into each clamping groove; wherein a vertical cavity is formed in the upper portion of the middle of the bayonet socket, four movable cavities which are evenly distributed are formed in the side edge of the bottom of the vertical cavity, sliding grooves which are evenly distributed are formed in the lower portion of the middle of the bayonet socket, the sliding grooves communicate with the movable cavities, and a rotary knob is rotationally installed at the top of the bayonet socket; the bayonet socket can be quickly disassembled and assembled, later maintenance is facilitated, the size of the bayonet socket is far larger than that of a traditional bolt, the bayonet socket is difficult to deform due to long-term impact, the rotating column does not play a direct fixing role, the bayonet socket is difficult to deform, the stability of the structure is greatly improved, and the service life of the structure is greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing equipment, in particular to a hammer head mounting structure for an impact mill. Background Art

[0002] Impact mills mainly use hammers installed on a high-speed rotating turntable to impact materials, thereby breaking the materials. Due to the long-term impact between the hammers and the materials, there is wear and tear, and they need to be replaced regularly. Most of the existing hammers are directly installed on the turntable with screws. When replacing, a large number of screws need to be disassembled and installed, resulting in a long replacement process. In addition, due to the small space in the mill chamber, the space available for replacing the hammers is narrow, making replacement extremely inconvenient.

[0003] Publication No. CN217663649U discloses an impact mill hammer head mounting structure, comprising: a grinding chamber and a turntable rotatably arranged inside the grinding chamber, a plurality of mounting seats are arranged on the top surface of the turntable along the circumference, a strip groove is opened on the mounting seat along the normal direction of the turntable for mounting the hammer head, the opening of the strip groove is located at one end of the mounting seat facing the center of the turntable, the end of the strip groove facing the outer side of the circumference of the turntable has a baffle, a slider is arranged on the back of the hammer head, when assembled, the slider is slidably arranged in the strip groove, the front of the hammer head is a toothed structure, and its front face faces the normal direction of the rotation of the turntable, the impact mill hammer head mounting structure in this case does not need to be fixed with screws, and the hammer head is more convenient to disassemble and assemble, but the patent still has the following problems in actual use:

[0004] The above-mentioned impact grinding hammer head is installed through a mounting seat, and the mounting seat is fixed by bolts. During the long-term grinding impact process, the bolts may be deformed due to the impact, making the mounting seat unable to be removed, thereby causing synchronous wear between the hammer head and the mounting seat due to vibration, and maintenance cannot be performed by quickly replacing the mounting seat. In addition, the traditional bolt fixing method is not convenient for disassembly and assembly of the mounting seat, and may cause installation failures due to thread slippage, thereby affecting the life of the equipment.

[0005] A hammer head mounting structure for an impact mill is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a hammer head mounting structure for an impact mill, so as to solve the problem proposed in the above-mentioned background technology that the hammer head of the impact mill is installed through a mounting seat, and the mounting seat is fixed by bolts. During the long-term impact process of grinding, the bolts may be deformed due to the impact, resulting in the inability to disassemble the mounting seat, which in turn causes synchronous wear between the hammer head and the mounting seat due to vibration, and maintenance cannot be performed by quickly replacing the mounting seat. In addition, the traditional bolt fixing method is not convenient for disassembly and assembly of the mounting seat, and may cause installation failures due to thread slippage, thereby affecting the life of the equipment.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hammer head mounting structure for an impact mill, comprising a rotating disk;

[0008] The top surface of the rotating disk is provided with a plurality of evenly distributed installation components, the installation components include a positioning groove opened on the top surface of the rotating disk, a limiting groove is opened inside the positioning groove, and a socket is plugged into the positioning groove;

[0009] A vertical cavity is provided above the middle of the socket, four evenly distributed movable cavities are provided on the bottom side of the vertical cavity, and evenly distributed sliding grooves are provided below the middle of the socket, and the sliding grooves are connected to the movable cavities;

[0010] Wherein, a replacement mechanism is arranged on one side of the top of the socket.

[0011] Preferably, a knob is rotatably mounted on the top of the socket, a rotating column is provided inside the vertical cavity, the top of the rotating column is fixedly connected to the knob, the bottom of the rotating column is threadedly slidably connected to a threaded sleeve, and the threaded sleeve is located inside the vertical cavity.

[0012] Preferably, the bottom end of the threaded sleeve is fixedly connected to a connecting plate, the bottom of the connecting plate is rotatably connected to a plurality of connecting rods, and the connecting rods are located in the movable cavity.

[0013] Preferably, a blocking block is slidably connected inside the sliding groove, the blocking block is rotatably connected to the connecting rod, and the blocking block is engaged with the limiting groove.

[0014] Preferably, the replacement mechanism includes a hammer head seat, which is fixedly installed on one side of the top of the socket, and the hammer head seat is in contact with the top surface of the rotating disk. The rotating disk is plugged with a positioning plate, and the side of the positioning plate is fixedly connected to the hammer head body. A card interface is provided on one side of the hammer head seat close to the middle of the rotating disk.

[0015] Preferably, a docking groove is provided on the bottom side of the hammer head seat near the card interface, and a limiting side plate is inserted into the docking groove. The limiting side plate is fitted with the side of the card plate, and the top of the limiting side plate passes through the top of the hammer head seat and is slidably connected to a sliding top plate. A rubber pad is fixedly embedded on the side of the limiting side plate near the card plate.

[0016] Preferably, the sliding top plate is slidably connected to a limiting sleeve, the limiting sleeve is located on a side of the limiting sleeve away from the rotating disk, and the limiting sleeve is fixedly connected to the top of the hammer head seat.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the hammer head mounting structure for impact grinding can be quickly disassembled and assembled to facilitate later maintenance, and the volume of the socket is much larger than that of the traditional bolt, so that the socket is difficult to deform due to impact, and the rotating column does not play a direct fixing role, so that it is not easy to deform, which greatly increases the stability of the structure; the specific contents are as follows:

[0018] 1. By rotating the knob, the threaded sleeve drives the connecting plate to rise and fall vertically, so that the connecting rod moves in the movable cavity, and then the connecting rod can pull or push the blocking block to slide in the sliding groove; finally, the blocking block can be withdrawn from or inserted into the limit groove, so that the socket can be quickly disassembled and assembled, which is convenient for later maintenance. The volume of the socket is much larger than that of the traditional bolt, which makes it difficult for the socket to be deformed due to impact, and the rotating column does not play a direct fixing role, so it is not easy to deform, which increases the stability of the structure.

[0019] 2. By inserting the limiting side plate into the docking groove from top to bottom, when the rotating disk rotates, the centrifugal force will cause the sliding top plate to slide, and then the sliding top plate will slide into the limiting sleeve, thereby increasing the position stability of the positioning plate, reducing the vibration of the positioning plate caused by the impact of the material, and finally reducing the wear between the positioning plate and the hammer head seat caused by vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the installation assembly and the replacement mechanism;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the socket from top view;

[0023] Figure 4 It is a schematic diagram of the top structure of the hammer head seat and the socket;

[0024] Figure 5 It is a schematic diagram of the installation structure of the limiting side plate and the sliding top plate.

[0025] In the figure: 1. rotating disk; 2. mounting assembly; 201. positioning slot; 202. limiting slot; 203. socket; 204. knob; 205. vertical cavity; 206. movable cavity; 207. sliding slot; 208. rotating column; 209. threaded sleeve; 210. connecting plate; 211. connecting rod; 212. positioning block; 3. replacement mechanism; 301. hammer head seat; 302. positioning plate; 303. hammer head body; 304. docking slot; 305. limiting side plate; 306. sliding top plate; 307. limiting sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 , the utility model provides a technical solution: a hammer head mounting structure for impact mill, comprising a rotating disk 1;

[0028] The top surface of the rotating disk 1 is provided with a plurality of evenly distributed installation components 2, the installation components 2 include a positioning groove 201 provided on the top surface of the rotating disk 1, a limiting groove 202 is provided inside the positioning groove 201, and a socket 203 is plugged into the positioning groove 201;

[0029] Among them, a vertical cavity 205 is opened in the upper middle part of the socket 203, four evenly distributed movable cavities 206 are opened on the bottom side of the vertical cavity 205, and a evenly distributed sliding groove 207 is opened in the lower middle part of the socket 203, and the sliding groove 207 is connected with the movable cavity 206; the blocking block 212 is engaged and connected with the limiting groove 202; by rotating the knob 204, the threaded sleeve 209 drives the connecting plate 210 to rise and fall vertically, so that the connecting rod 211 moves in the movable cavity 206, and then the connecting rod 211 can pull or push the blocking block 212 to slide in the sliding groove 207. After the blocking block 212 is inserted into the limiting groove 202, the socket 203 and the rotating disk 1 are stably fixed, and the connecting plate 210 fits with the inner wall of the movable cavity 206, which can increase the stability of the threaded sleeve 209 when it is raised and lowered.

[0030] A replacement mechanism 3 is provided on one side of the top of the socket 203 .

[0031] A knob 204 is rotatably installed on the top of the socket 203, and a rotating column 208 is provided inside the vertical cavity 205. The top of the rotating column 208 is fixedly connected to the knob 204, and the bottom thread of the rotating column 208 is slidably connected to a threaded sleeve 209, which is located inside the vertical cavity 205; the bottom end of the threaded sleeve 209 is fixedly connected to a connecting plate 210, and the bottom of the connecting plate 210 is rotatably connected to a plurality of connecting rods 211, and the connecting rods 211 are located in the movable cavity 206; a locking block 212 is slidably connected inside the sliding groove 207, and the locking block 212 is rotatably connected to the connecting rod 211, and the locking block 212 is pulled out of the limiting groove 202, and the socket 203 is directly pulled out of the locking groove 201 and disassembled by pulling upward.

[0032] The replacement mechanism 3 includes a hammer head seat 301, which is fixedly installed on one side of the top of the socket 203. The hammer head seat 301 fits against the top surface of the rotating disk 1. The rotating disk 1 is plugged with a positioning plate 302, and the side of the positioning plate 302 is fixedly connected with a hammer head body 303. A card interface is provided on one side of the hammer head seat 301 close to the middle of the rotating disk 1; the hammer head seat 301, the positioning plate 302 and the hammer head body 303 are all existing technologies and can achieve quick plug-in.

[0033] A docking groove 304 is provided on the side of the bottom of the hammer head seat 301 close to the card interface, and a limiting side plate 305 is inserted into the docking groove 304. The limiting side plate 305 is fitted with the side of the locking plate 302. The top of the limiting side plate 305 passes through the top of the hammer head seat 301 and is slidably connected with a sliding top plate 306. A rubber pad is fixedly embedded on the side of the limiting side plate 305 close to the locking plate 302; the rubber pad is flush with the surface of the limiting side plate 305, and the rubber pad fits the limiting side plate 305 when in use.

[0034] The sliding top plate 306 is slidably connected to the limiting sleeve 307, and the limiting sleeve 307 is located on the side of the limiting sleeve 307 away from the rotating disk 1, and the limiting sleeve 307 is fixedly connected to the top of the hammer head seat 301; the centrifugal force will cause the sliding top plate 306 to slide, and then the sliding top plate 306 will slide into the limiting sleeve 307, thereby increasing the position stability of the positioning plate 302, reducing the vibration of the rubber pad of the positioning plate 302 caused by the impact of the material, and finally reducing the wear between the positioning plate 302 and the hammer head seat 301 due to vibration.

[0035] Working principle: Before using this hammer head installation structure for impact grinding, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 5 As shown, by rotating the knob 204, the threaded sleeve 209 drives the connecting plate 210 to rise and fall vertically, so that the connecting rod 211 moves in the movable cavity 206, and then the connecting rod 211 can pull or push the blocking block 212 to slide in the sliding groove 207; finally, the blocking block 212 can be withdrawn from or inserted into the limiting groove 202, so that the socket 203 can be quickly disassembled and assembled, which is convenient for later maintenance. In addition, the volume of the socket 203 is much larger than that of the traditional bolt, which makes it difficult for the socket 203 to be deformed due to impact, and the rotating column 208 does not play a direct fixing role, so that it is not easy to deform.

[0036] After the positioning block 212 is inserted into the limiting groove 202, the plug socket 203 and the rotating disk 1 are stably fixed, and the positioning block 212 is pulled out of the limiting groove 202, and the plug socket 203 is directly pulled out of the positioning groove 201 and disassembled by pulling upward;

[0037] After the locking plate 302 is locked into the hammer head seat 301, by inserting the limiting side plate 305 into the docking groove 304 from top to bottom, when the rotating disk 1 rotates, the centrifugal force will cause the sliding top plate 306 to slide, and then the sliding top plate 306 will slide into the limiting sleeve 307, thereby increasing the position stability of the locking plate 302, reducing the vibration of the locking plate 302 caused by the impact of the material, and finally reducing the wear between the locking plate 302 and the hammer head seat 301 caused by the vibration.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hammer head mounting structure for an impact mill, comprising a rotating disk (1); It is characterized in that Also includes: The top surface of the rotating disk (1) is provided with a plurality of evenly distributed installation components (2), the installation components (2) comprising a positioning groove (201) provided on the top surface of the rotating disk (1), a limiting groove (202) provided on the inner side of the positioning groove (201), and a socket (203) plugged into the positioning groove (201); A vertical cavity (205) is provided at the upper middle portion of the socket (203), four evenly distributed movable cavities (206) are provided at the bottom side of the vertical cavity (205), and evenly distributed sliding grooves (207) are provided at the lower middle portion of the socket (203), and the sliding grooves (207) are connected to the movable cavities (206); Wherein, a replacement mechanism (3) is provided on one side of the top of the socket (203).

2. The hammer head mounting structure for an impact mill according to claim 1, characterized in that: A knob (204) is rotatably mounted on the top of the socket (203), a rotating column (208) is provided inside the vertical cavity (205), the top of the rotating column (208) is fixedly connected to the knob (204), the bottom of the rotating column (208) is threadedly slidably connected to a threaded sleeve (209), and the threaded sleeve (209) is located inside the vertical cavity (205).

3. The hammer head mounting structure for an impact mill according to claim 2, characterized in that: The bottom end of the threaded sleeve (209) is fixedly connected to a connecting plate (210), and the bottom of the connecting plate (210) is rotatably connected to a plurality of connecting rods (211), and the connecting rods (211) are located in the movable cavity (206).

4. The hammer head mounting structure for an impact mill according to claim 1, characterized in that: A locking block (212) is slidably connected inside the sliding groove (207), the locking block (212) is rotationally connected to the connecting rod (211), and the locking block (212) is engaged and connected to the limiting groove (202).

5. The hammer head mounting structure for an impact mill according to claim 1, characterized in that: The replacement mechanism (3) comprises a hammer head seat (301), wherein the hammer head seat (301) is fixedly mounted on one side of the top of the plug-in seat (203), the hammer head seat (301) is in contact with the top surface of the rotating disk (1), the rotating disk (1) is plugged with a locking plate (302), the side of the locking plate (302) is fixedly connected with a hammer head body (303), and a locking interface is provided on one side of the hammer head seat (301) close to the middle of the rotating disk (1).

6. The hammer head mounting structure for an impact mill according to claim 5, characterized in that: A docking groove (304) is provided at a side of the bottom of the hammer head seat (301) close to the card interface, and a limiting side plate (305) is inserted into the docking groove (304). The limiting side plate (305) is fitted with the side edge of the locking plate (302), and the top of the limiting side plate (305) passes through the top of the hammer head seat (301) and is slidably connected to a sliding top plate (306). A rubber pad is fixedly embedded on the side of the limiting side plate (305) close to the locking plate (302).

7. A hammer head mounting structure for an impact mill according to claim 6, characterized in that: The sliding top plate (306) is slidably connected to a limiting sleeve (307), the limiting sleeve (307) is located on a side of the limiting sleeve (307) away from the rotating disk (1), and the limiting sleeve (307) is fixedly connected to the top of the hammer head seat (301).

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