Steel ball screening device of coal mill

Abstract

The utility model discloses a coal mill steel ball screening device which comprises a main body assembly and a discharging assembly, the main body assembly comprises a screening plate, a working table and a discharging port, the working table is arranged on the outer side of the screening plate in a sleeved mode, the discharging port is fixed to one side of the working table, and the discharging assembly is arranged on the discharging port and comprises a discharging piece and a transmission piece. The discharging piece is located on the discharging port, and the transmission piece is arranged on the discharging piece. The steel ball discharging device has the advantages that steel balls can be discharged orderly and slowly, splashing of the steel balls is avoided, the risk of injury to operators is remarkably reduced, a safer working environment is created for the operators, collision and friction between the steel balls and between the steel balls and the discharging channel are reduced, the surface integrity of the steel balls is protected to the maximum extent, and the service life of the steel balls is prolonged. Good performance is maintained, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a coal mill steel ball screening device. Background Art

[0002] During the operation of the coal mill, the steel balls interact with the materials to break them up. The screening device can distinguish steel balls of different sizes and degrees of wear. For example, the steel balls with less wear can be screened out and new steel balls of appropriate sizes can be added to ensure the normal grinding efficiency and effect of the coal mill. The vibrating screen is used to make the steel balls move on the screen through the vibration generated by the vibration motor, thereby screening the steel balls. After the screening is completed, the classified steel balls are discharged through different discharge pipes. Different types of steel balls, however, directly discharging the steel balls will cause them to splash everywhere, increasing the risk of injury to operators. Rapid discharge may cause collision and friction between steel balls or between steel balls and the discharge channel, thereby damaging the surface of the steel balls and affecting their service life and performance. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems and / or the problems existing in the existing coal mill steel ball screening device, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is that directly discharging the steel balls will cause the steel balls to splash everywhere, increasing the risk of injury to the operator. Rapid discharging may cause collision and friction between the steel balls or between the steel balls and the discharging channel, thereby damaging the surface of the steel balls and affecting their service life and performance.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a coal mill steel ball screening device, which includes a main body component, including a screening plate, a workbench and a discharge port, the workbench is sleeved on the outside of the screening plate, and the discharge port is fixed to one side of the workbench;

[0007] The material discharging component is arranged on the material discharging port, and comprises a material discharging member and a transmission member. The material discharging member is located on the material discharging port, and the transmission member is arranged on the material discharging member.

[0008] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharge member includes a baffle and a moving rod, the baffle is plugged into one side of the discharge port, the baffle and the discharge port are movably connected, and the moving rod is fixed to the top of the baffle.

[0009] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharging member further comprises a moving block and a movable rod, the moving block is fixed to one end of the moving rod, and the movable rod is fixed to one side of the moving block.

[0010] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharging part also includes a spring and a support frame, the support frame is sleeved on the outside of the movable rod, the support frame and the movable rod are movably connected, and the spring is fixed to the bottom of the support frame.

[0011] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharging member further includes a pressure plate and a roller, the roller is hinged to one end of the movable rod, and the pressure plate is arranged on the top of the roller.

[0012] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharging part also includes a positioning frame and a support shaft, the support shaft is inserted into one side of the pressure plate, the positioning frame is sleeved on the outside of the support shaft, and the positioning frame and the support shaft are movably connected.

[0013] As a preferred solution of the coal mill steel ball screening device of the utility model, the discharging part also includes a torsion spring and a turntable, the turntable is fixed to one end of the support shaft, one end of the torsion spring is fixed to one side of the turntable, and the other end is fixed to one side of the positioning frame.

[0014] As a preferred solution of the coal mill steel ball screening device of the utility model, the transmission part includes a driving wheel, a rotating wheel and a supporting sleeve, the supporting sleeve is fixed to one end of the movable rod, the driving wheel is movably connected to one side of the supporting sleeve, and the rotating wheel is arranged on one side of the driving wheel.

[0015] As a preferred solution of the coal mill steel ball screening device of the utility model, the transmission member further includes a fixed plate and a positioning rod, the fixed plate is movably connected to one side of the runner, and the positioning rod is fixed to the bottom of the fixed plate.

[0016] As a preferred solution of the coal mill steel ball screening device of the utility model, the transmission member further includes a motor and a connecting frame, the motor is fixed to one side of the rotating wheel, and the connecting frame is fixed to the bottom of the motor.

[0017] The beneficial effects of the utility model are: the steel balls can be discharged in an orderly and slow manner, the steel balls are prevented from splashing everywhere, the risk of injury to operators is significantly reduced, a safer working environment is created for the staff, the collision and friction between the steel balls and between the steel balls and the discharge channel are reduced, the surface integrity of the steel balls is protected to the greatest extent, the good performance is maintained, and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is the overall structural diagram of the coal mill steel ball screening device.

[0020] Figure 2 This is the structural diagram of the discharge port of the coal mill steel ball screening device.

[0021] Figure 3 This is the cross-sectional structure diagram of the discharge port of the coal mill steel ball screening device.

[0022] Figure 4 For coal mill steel ball screening device Figure 3 A partial enlarged structural diagram in the middle.

[0023] Figure 5 This is the motor structure diagram of the coal mill steel ball screening device.

[0024] Figure 6 This is the structure diagram of the impeller of the coal mill steel ball screening device. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Example 1

[0029] Reference Figure 1 to Figure 6 , which is the first embodiment of the utility model, and this embodiment provides a coal mill steel ball screening device, which includes a main body component 100 and a discharging component 200, which can cooperate to discharge the steel balls in an orderly and slow manner to avoid the steel balls splashing everywhere.

[0030] The main component 100 includes a screening plate 101 , a workbench 102 and a discharge port 103 . The workbench 102 is sleeved on the outside of the screening plate 101 , and the discharge port 103 is fixed on one side of the workbench 102 .

[0031] The screening plate 101 is used to screen and grade the steel balls. The screening plate 101 is usually provided with holes of different sizes. When the steel balls pass through, smaller steel balls can pass through the holes according to their own size, while larger ones are left on the screening plate 101, thereby achieving the size classification of the steel balls. The workbench 102 carries and fixes other components of the screening plate 101 to ensure the structural stability and smooth operation of the entire device. There are two discharge ports 103, both fixed on one side of the workbench 102. Steel balls of qualified size are discharged from one discharge port 103, and steel balls that are worn and reduced in size are discharged from another discharge port 103, and are processed accordingly.

[0032] The discharge assembly 200 is disposed on the discharge port 103 , and includes a discharge member 201 and a transmission member 202 . The discharge member 201 is located on the discharge port 103 , and the transmission member 202 is disposed on the discharge member 201 .

[0033] The discharging components 200 are divided into two groups, which are respectively arranged on the two discharging ports 103. The discharging member 201 can be arranged to discharge the steel balls from the workbench 102 in an orderly manner to avoid the steel balls splashing around. The transmission member 202 can be arranged to drive the discharging member 201 to move, so that the steel balls can be discharged in an orderly manner.

[0034] Example 2

[0035] Reference Figure 1 to Figure 6 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0036] Specifically, the discharge member 201 includes a baffle 201a and a moving rod 201b. The baffle 201a is plugged into one side of the discharge port 103. The baffle 201a and the discharge port 103 are movably connected. The moving rod 201b is fixed to the top of the baffle 201a.

[0037] There are two baffles 201a, which are respectively inserted into the top and bottom of the discharge port 103. When the steel balls are discharged from the discharge port 103, the two baffles 201a can control the discharge speed and flow rate of the steel balls by alternating and reciprocating in the discharge port 103, thereby preventing a large number of steel balls from passing through the discharge port 103 quickly at the same time, reducing the collision and friction between the steel balls and the discharge port 103 channel, and reducing the possibility of surface damage to the steel balls, which is beneficial to protecting the quality and service life of the steel balls. There are two moving rods 201b, which are both fixed on one side of the baffle 201a. The movement of the moving rod 201b can drive the baffle 201a to reciprocate up and down. The discharge of the material from the discharge port 103 belongs to the prior art, so it will not be elaborated in detail.

[0038] Specifically, the discharging member 201 further includes a moving block 201c and a moving rod 201d. The moving block 201c is fixed to one end of the moving rod 201b, and the moving rod 201d is fixed to one side of the moving block 201c.

[0039] When the baffle 201a needs to be reciprocated up and down, the movable rod 201d can move the movable block 201c up and down, and the movement of the movable block 201c can drive the baffle 201a to move up and down, so that the steel balls can be discharged in an orderly manner.

[0040] Specifically, the discharging member 201 further includes a spring 201e and a support frame 201f. The support frame 201f is sleeved on the outside of the movable rod 201d. The support frame 201f and the movable rod 201d are movably connected. The spring 201e is fixed to the bottom of the support frame 201f.

[0041] When the movable rod 201d moves downward, the spring 201e can be squeezed, and when the movable rod 201d moves upward, the spring 201e will rebound. The rapid movement of the movable rod 201d may produce impact. The compression and rebound of the spring 201e can absorb and buffer this impact force, reduce damage to related components, and make the movement smoother. The support frame 201f is used to support the movable rod 201d to prevent the movable rod 201d from deflecting.

[0042] Specifically, the discharging member 201 further includes a pressing plate 201g and a roller 201h. The roller 201h is hinged to one end of the movable rod 201d, and the pressing plate 201g is arranged on the top of the roller 201h.

[0043] When the movable rod 201d rises, it can drive the roller 201h to move. The movement of the roller 201h can squeeze the pressure plate 201g to lift the pressure plate 201g. When the roller 201h moves downward, the squeezing of the pressure plate 201g can be released. At this time, the pressure plate 201g will return to its original position. Through the cooperation of the roller 201h and the pressure plate 201g, the movable rod 201d transfers part of the pressure to the roller 201h and the pressure plate 201g when it rises, thereby reducing the load borne by the movable rod 201d itself and reducing the strength and power requirements of the movable rod 201d.

[0044] Specifically, the discharge piece 201 also includes a positioning frame 201i and a support shaft 201j. The support shaft 201j is plugged into one side of the pressing plate 201g. The positioning frame 201i is sleeved on the outside of the support shaft 201j. The positioning frame 201i and the support shaft 201j are movably connected.

[0045] The pressure plate 201g can drive the support shaft 201j to rotate when moving. The rotation of the support shaft 201j can support the pressure plate 201g to prevent the pressure plate 201g from shifting when moving. The positioning frame 201i is fixed to the top of the support frame 201f. The setting of the positioning frame 201i can support the support shaft 201j to prevent the support shaft 201j from shifting.

[0046] Specifically, the discharging member 201 further includes a torsion spring 201k and a turntable 201l. The turntable 201l is fixed to one end of the support shaft 201j. One end of the torsion spring 201k is fixed to one side of the turntable 201l, and the other end is fixed to one side of the positioning frame 201i.

[0047] When the pressure plate 201g is lifted and drives the support shaft 201j to rotate, the support shaft 201j can drive the turntable 201l to rotate. The rotation of the turntable 201l can apply a torsional force to the torsion spring 201k. When the roller 201h moves downward, the squeezing of the pressure plate 201g can be released. At this time, the rotation force of the torsion spring 201k can make the pressure plate 201g return to its original position, thereby reducing the load borne by the movable rod 201d itself.

[0048] Example 3

[0049] Reference Figure 2 to Figure 6 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments.

[0050] Specifically, the transmission member 202 includes a driving wheel 202a, a rotating wheel 202b and a supporting sleeve 202c. The supporting sleeve 202c is fixed to one end of the movable rod 201d. The driving wheel 202a is movably connected to one side of the supporting sleeve 202c. The rotating wheel 202b is arranged on one side of the driving wheel 202a.

[0051] The driving wheel 202a slides with the inner wall of the rotating wheel 202b. The rotation of the rotating wheel 202b can drive the driving wheel 202a to slide on the inner wall of the rotating wheel 202b, thereby moving the driving wheel 202a. The movement of the driving wheel 202a can drive the supporting sleeve 202c to move. The spring 201e is fixed to the top of the supporting sleeve 202c. When the supporting sleeve 202c moves, it will drive the movable rod 201d to move. The movement of the supporting sleeve 202c can apply an extrusion force to the spring 201e. When the rotating wheel 202b rotates to the bottom, the rebound force of the spring 201e can press the driving wheel 202a downward, and the driving wheel 202a can move back and forth in this way.

[0052] Specifically, the transmission member 202 further includes a fixed plate 202d and a positioning rod 202e. The fixed plate 202d is movably connected to one side of the rotating wheel 202b, and the positioning rod 202e is fixed to the bottom of the fixed plate 202d.

[0053] The fixing plate 202d is used to support the rotating wheel 202b to prevent the rotating wheel 202b from shifting. The positioning rod 202e is fixed to one side of the workbench 102. The positioning rod 202e can support the fixing plate 202d to prevent the fixing plate 202d from shifting.

[0054] Specifically, the transmission member 202 further includes a motor 202f and a connection frame 202g. The motor 202f is fixed to one side of the rotating wheel 202b, and the connection frame 202g is fixed to the bottom of the motor 202f.

[0055] The motor 202f is plugged into one side of the fixed plate 202d, and the motor 202f is movably connected to the fixed plate 202d. The motor 202f is fixed to the top of the rotating wheel 202b, so that the rotating wheel 202b rotates eccentrically when rotating. The connecting frame 202g is fixed to one side of the fixed plate 202d. The setting of the connecting frame 202g can support the motor 202f to prevent the motor 202f from deviating.

[0056] When in use, when it is necessary to discharge the coal briquettes, the motor 202f is first started, and the motor 202f can drive the rotating wheel 202b to rotate, so that the rotating wheel 202b rotates eccentrically, and the rotation of the rotating wheel 202b can drive the driving wheel 202a to slide on the inner wall of the rotating wheel 202b, so that the driving wheel 202a can move, and the movement of the driving wheel 202a can drive the support sleeve 202c to move, and the movement of the support sleeve 202c can move the spring 201 e applies an extrusion force, and the support sleeve 202c will drive the movable rod 201d to move when it moves. When the movable rod 201d rises, it can drive the roller 201h to move. The movement of the roller 201h can squeeze the pressure plate 201g, so that the pressure plate 201g is lifted. When the pressure plate 201g is lifted and drives the support shaft 201j to rotate, the support shaft 201j can drive the rotating disk 201l to rotate. The rotation of the rotating disk 201l can apply a torsional force to the torsion spring 201k. When the rotating wheel When 202b rotates to the bottom, the rebound force of the spring 201e can drive the movable rod 201d to move and press the driving wheel 202a downward. The downward pressure of the movable rod 201d can make it move downward to release the squeezing of the pressure plate 201g. At this time, the rotating force of the torsion spring 201k can make the pressure plate 201g return to its original position, reducing the load borne by the movable rod 201d itself. In this way, the movable rod 201d can be reciprocated up and down. The up and down reciprocating movement of the movable rod 201d can drive the moving block 201c to move. The movement of the moving block 201c can drive the baffle 201a to reciprocate up and down. The alternating reciprocating movement of the two baffles 201a in the discharge port 103 can control the discharge speed and flow of the steel balls, prevent a large number of steel balls from passing through the discharge port 103 quickly at the same time, reduce the collision and friction between the steel balls and the steel balls and the discharge port 103 channel, reduce the possibility of surface damage to the steel balls, and help protect the quality and service life of the steel balls.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A coal mill steel ball screening device, characterized in that: include, A main body component (100) comprises a screening plate (101), a workbench (102) and a discharge port (103), wherein the workbench (102) is sleeved on the outside of the screening plate (101), and the discharge port (103) is fixed to one side of the workbench (102); The discharge assembly (200) is arranged on the discharge port (103), and comprises a discharge member (201) and a transmission member (202); the discharge member (201) is located on the discharge port (103), and the transmission member (202) is arranged on the discharge member (201).

2. The coal mill steel ball screening device according to claim 1, characterized in that: The discharge member (201) comprises a baffle (201a) and a moving rod (201b); the baffle (201a) is plugged into one side of the discharge port (103); the baffle (201a) and the discharge port (103) are movably connected; and the moving rod (201b) is fixed to the top of the baffle (201a).

3. The coal mill steel ball screening device according to claim 2, characterized in that: The material discharging member (201) further comprises a moving block (201c) and a moving rod (201d), wherein the moving block (201c) is fixed to one end of the moving rod (201b), and the moving rod (201d) is fixed to one side of the moving block (201c).

4. The coal mill steel ball screening device according to claim 3, characterized in that: The discharge member (201) further comprises a spring (201e) and a support frame (201f); the support frame (201f) is sleeved on the outside of the movable rod (201d); the support frame (201f) and the movable rod (201d) are movably connected; and the spring (201e) is fixed to the bottom of the support frame (201f).

5. The coal mill steel ball screening device according to claim 3 or 4, characterized in that: The material discharging member (201) further comprises a pressing plate (201g) and a roller (201h), wherein the roller (201h) is hinged to one end of the movable rod (201d), and the pressing plate (201g) is arranged on the top of the roller (201h).

6. The coal mill steel ball screening device according to claim 5, characterized in that: The discharge piece (201) further comprises a positioning frame (201i) and a support shaft (201j); the support shaft (201j) is plugged into one side of the pressing plate (201g); the positioning frame (201i) is sleeved on the outside of the support shaft (201j); and the positioning frame (201i) and the support shaft (201j) are movably connected.

7. The coal mill steel ball screening device according to claim 6, characterized in that: The discharge member (201) further comprises a torsion spring (201k) and a turntable (201l), wherein the turntable (201l) is fixed to one end of the support shaft (201j), one end of the torsion spring (201k) is fixed to one side of the turntable (201l), and the other end is fixed to one side of the positioning frame (201i).

8. The coal mill steel ball screening device according to claim 6 or 7, characterized in that: The transmission member (202) comprises a driving wheel (202a), a rotating wheel (202b) and a supporting sleeve (202c); the supporting sleeve (202c) is fixed to one end of the movable rod (201d); the driving wheel (202a) is movably connected to one side of the supporting sleeve (202c); and the rotating wheel (202b) is arranged on one side of the driving wheel (202a).

9. The coal mill steel ball screening device according to claim 8, characterized in that: The transmission member (202) further comprises a fixed plate (202d) and a positioning rod (202e), wherein the fixed plate (202d) is movably connected to one side of the rotating wheel (202b), and the positioning rod (202e) is fixed to the bottom of the fixed plate (202d).

10. The coal mill steel ball screening device according to claim 9, characterized in that: The transmission member (202) further comprises a motor (202f) and a connection frame (202g), wherein the motor (202f) is fixed to one side of the rotating wheel (202b), and the connection frame (202g) is fixed to the bottom of the motor (202f).

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