Sealing mechanism of ball mill lining plate bolt

Abstract

The utility model discloses a sealing mechanism of a ball mill lining plate bolt, which comprises a shell, a lining plate main body, a fastening part for preventing the lining plate main body from being separated and a sealing part for preventing materials from leaking, the fastening part comprises a plurality of notches formed in the outer side of the shell and arranged circumferentially, a plurality of connecting ports formed in the inner wall of the lining plate main body and arranged circumferentially, a screw rod connected with the connecting ports, a twisting plate fixedly connected with the bottom of the screw rod, inclined parts arranged on the two sides of the twisting plate correspondingly, and a first nut connected with the outer side of the screw rod; by arranging the shell, the lining plate main body and the fastening part, the problems that when an existing ball mill lining plate is fixed, due to continuous collision between materials in a ball mill and metal balls, nuts are prone to loosening, the lining plate and the ball mill shell are prone to being separated, and then the materials are prone to being leaked are solved; and therefore, the practicability is relatively poor.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, in particular to a sealing mechanism for liner bolts of a ball mill. Background Art

[0002] Ball mill is the key equipment for crushing materials after they are broken. This type of mill is a mill that is loaded with a certain number of steel balls as grinding media in its cylinder. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal beneficiation, glass and ceramics and other production industries. The liner is an important accessory of the ball mill, which is usually installed and fixed with bolts and nuts.

[0003] The existing patent CN220405850U discloses a ball mill liner assembly that is easy to replace, including a rotary drum assembly, a limiting mechanism, a liner connecting mechanism and a bolt fixing mechanism. The inner wall of the rotary drum assembly is provided with a limiting mechanism, and the left and right sides of the limiting mechanism are provided with a liner connecting mechanism. The middle end of the limiting mechanism is provided with a bolt fixing mechanism. The limiting mechanism includes a fixing frame, a screw hole, a first limiting groove and a second limiting groove, and the middle of the fixing frame is provided with a screw hole, and the left and right sides of the fixing frame are provided with a first limiting groove below. When the liner inside the cylinder is replaced, the first liner and the second liner are embedded and installed through the first limiting groove and the second limiting groove on both sides of the fixing frame. When the liner is embedded in the fixing frame, the screw hole is connected with the connecting hole and the fixing hole on the cylinder, and the liner is rotated and fixed by a special bolt, so that the liner fits tightly with the cylinder of the ball mill, which can enhance the rigidity of the cylinder.

[0004] Based on the search of the above patents and in combination with the ball mill liners in the prior art, it was found that when the existing ball mill liners are fixed, the nuts can easily become loose due to the continuous collision between the materials inside the ball mill and the metal balls, which can easily cause the liner to separate from the ball mill housing, and thus easily cause material leakage, resulting in poor practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing mechanism for a ball mill liner bolt, so as to solve the problem of poor practicality caused by the continuous collision between the material inside the ball mill and the metal ball when the existing ball mill liner is fixed. This may easily lead to loosening of the nut, and then easily cause the liner to separate from the ball mill shell, and then easily cause material leakage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing mechanism for a ball mill liner bolt, comprising a shell, a liner body, a fastening component for preventing the liner body from detaching, and a sealing component for preventing material leakage, the fastening component comprising a plurality of recesses arranged circumferentially on the outer side of the shell, a plurality of connecting ports arranged circumferentially on the inner wall of the liner body, a screw connected to the connecting port, a torsion plate fixedly connected to the bottom of the screw, inclined portions respectively arranged on both sides of the torsion plate, a first nut connected to the outer side of the screw, a second nut arranged on the top of the first nut, slide grooves respectively arranged on both sides of the connecting port, an inclined block slidingly arranged in the slide groove, a spring fixedly connected to one end of the inclined block, and sockets respectively arranged on both sides of the torsion plate, the screw penetrates the liner body and the shell and extends into the recess.

[0007] Preferably, the sealing component includes a pressure plate sleeved on the outer side of the upper part of the screw, a first sealing ring fixedly connected to one side of the bottom of the pressure plate, a sealing groove opened at the top of the recess, and a second sealing ring fixedly connected to the bottom of the first sealing ring, and the second sealing ring is plugged into the sealing groove.

[0008] Preferably, guide grooves are respectively provided on both sides of the slide groove, guide blocks are respectively fixedly connected to both sides of the inclined block, and the guide blocks are slidably connected to the guide grooves.

[0009] Preferably, a third sealing ring is fixedly connected to the bottom of the recess, and a sealing block is fixedly connected to the bottom of the pressure plate.

[0010] Preferably, a groove is provided on one side of the slide slot, a guide rod is fixedly connected to one side of the inclined block, and the guide rod is slidably connected to the groove.

[0011] Preferably, a fixing ring is sleeved on the outer side of the screw rod, and three screws arranged in a circumference are provided on the top of the fixing ring, and the screws are threadedly connected to the housing.

[0012] Preferably, a plurality of evenly arranged placement grooves are provided on one side of the inclined block, and sliding beads are provided in the placement grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a shell, a liner body and a fastening component, the liner and the shell can be connected and fixed by a screw, a first nut and a second nut, which can improve the fixing performance. At the same time, the inclined portion can squeeze the inclined block to move the inclined block, and the inclined block can drive the spring to deform. The spring reset can push the inclined block to insert into the socket, which can limit the torsion plate and the screw to prevent the torsion plate and the screw from rotating, thereby further improving the connection stability between the liner body and the shell, preventing the liner body from being separated from the shell, and greatly improving the practicality of the device;

[0015] 2. By providing a sealing component, the first nut and the second nut can push the pressure plate downward when they rotate, so that the first sealing ring can move downward and contact the bottom of the recess, thereby playing a sealing role. The second sealing ring is then inserted into the sealing groove, thereby further improving the sealing effect, effectively preventing leakage of materials, etc., thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0017] Figure 2 A left side view provided for the utility model;

[0018] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 The utility model provides Figure 3 The enlarged view of point B in the middle;

[0020] Figure 5 The utility model provides Figure 3 Enlarged view of point C in the middle.

[0021] In the figure: 1, shell; 11, lining body; 21, notch; 22, connecting port; 23, screw; 24, torsion plate; 25, inclined portion; 26, first nut; 27, second nut; 28, slide groove; 29, inclined block; 30, spring; 31, socket; 41, pressure plate; 42, first sealing ring; 43, sealing groove; 44, second sealing ring; 51, guide groove; 52, guide block; 61, third sealing ring; 62, sealing block; 71, groove; 72, guide rod; 81, fixing ring; 82, screw; 91, placement groove; 92, sliding bead. DETAILED DESCRIPTION

[0022] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5The utility model provides a technical solution: a sealing mechanism for a ball mill liner bolt, comprising a shell 1, a liner body 11, a fastening component for preventing the liner body 11 from being separated, and a sealing component for preventing material leakage, wherein the fastening component comprises a plurality of notches 21 arranged circumferentially on the outer side of the shell 1, a plurality of connecting ports 22 arranged circumferentially on the inner wall of the liner body 11, a screw 23 connected to the connecting ports 22, a torsion plate 24 fixedly connected to the bottom of the screw 23, inclined portions 25 respectively arranged on both sides of the torsion plate 24, a first nut 26 connected to the outer side of the screw 23, a second nut 27 arranged on the top of the first nut 26, and ... The slide grooves 28 on both sides of the inner, the inclined block 29 slidingly arranged in the slide groove 28, the spring 30 fixedly connected to one end of the inclined block 29, and the sockets 31 respectively opened on both sides of the torsion plate 24, the screw 23 penetrates the lining plate body 11 and the shell 1 and extends into the recess 21, and the lining plate body 11 and the shell 1 can be stably fixed by using the screw 23, the first nut 26 and the second nut 27, the inclined portion 25 can contact with the inclined block 29, and squeeze the inclined block 29 to make it slide in the slide groove 28, and then squeeze the spring 30 to make it deform, the spring 30 can reset and drive the inclined block 29 to reset, so that it is inserted into the socket 31, and the torsion plate 24 can be restricted to prevent the torsion plate 24 from rotating , thereby improving the fixing performance of the lining plate body 11 and preventing it from detaching from the shell 1, guide grooves 51 are respectively provided on both sides of the slide groove 28, and guide blocks 52 are respectively fixedly connected on both sides of the inclined block 29, and the guide blocks 52 are slidably connected to the guide grooves 51, and the inclined block 29 can drive the guide block 52 to move, and the guide block 52 can support and guide the inclined block 29 to prevent the inclined block 29 from tilting, ensuring that the inclined block 29 can be smoothly inserted into the detachment socket 31, and a groove 71 is provided on one side of the slide groove 28, and a guide rod 72 is fixedly connected on one side of the inclined block 29, and the guide rod 72 is slidably connected to the groove 71, and the spring 30 is sleeved on the outside of the guide rod 72, and the guide rod 72 can guide the spring 30 to prevent the spring 30 is skewed when deformed, a fixing ring 81 is sleeved on the outer side of the screw rod 23, and three screws 82 arranged in a circle are arranged on the top of the fixing ring 81. The screws 82 are screwed to the shell 1, and the bottom of the fixing ring 81 can contact with the top of the second nut 27. By screwing the screws 82, the fixing ring 81 can be connected and fixed to the shell 1, thereby further improving the connection and fixing performance between the lining body 11 and the shell 1. A plurality of placement grooves 91 arranged evenly are opened on one side of the inclined block 29, and a sliding bead 92 is arranged in the placement groove 91. The inclined portion 25 can contact with the sliding bead 92, and the rolling of the sliding bead 92 can reduce the friction between the inclined portion 25 and the inclined block 29, so as to facilitate the movement of the torsion plate 24.

[0024] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The sealing component includes a pressing plate 41 sleeved on the outer side of the upper part of the screw 23, a first sealing ring 42 fixedly connected to one side of the bottom of the pressing plate 41, a sealing groove 43 opened at the top of the recess 21, and a second sealing ring 44 fixedly connected to the bottom of the first sealing ring 42, the second sealing ring 44 is plugged into the sealing groove 43, the first nut 26 and the second nut 27 move downward to squeeze the pressing plate 41 downward, the pressing plate 41 can make the first sealing ring 42 and the bottom of the recess 21 closely contact, can play a sealing role, prevent material leakage, at the same time, the second sealing ring 44 squeezes into the sealing groove 43, can further improve the sealing performance, the bottom of the recess 21 is fixedly connected with a third sealing ring 61, the bottom of the pressing plate 41 is fixedly connected with a sealing block 62, the sealing block 62 moves downward to contact the top of the third sealing ring 61, can squeeze the third sealing ring 61 to deform, and then can further improve the sealing performance, effectively preventing material leakage.

[0025] Working principle: During operation, the bolts are passed through the liner body 11 and the shell 1. At this time, the inclined parts 25 on both sides of the torsion plate 24 contact the inclined block 29 and squeeze the inclined block 29 to move horizontally. The lateral movement of the inclined block 29 can drive the spring 30 to deform. When the inclined block 29 is aligned with the socket 31, the spring 30 resets and can drive the inclined block 29 to reset, and then the inclined block 29 can be pushed to insert into the socket 31, and the torsion plate 24 and the screw rod 23 can be locked to prevent the screw rod 23 from rotating. Then the pressure plate 41 is put on the outside of the screw rod 23, and then the first nut 26 and the second nut 27 are screwed to the outside of the screw rod 23 in turn. The downward movement of the first nut 26 and the second nut 27 can squeeze the pressure plate 41 to move downward, and the downward movement of the pressure plate 41 can drive the sealing block 62 to move downward. At the same time, the first sealing ring 42 and the recess 2 1, the second sealing ring 44 is squeezed into the sealing groove 43, and the sealing block 62 moves downward to squeeze the third sealing ring 61. The first sealing ring 42, the second sealing ring 44 and the third sealing ring 61 can play a sealing role to prevent material leakage, and then the fixing ring 81 is put on the top of the screw rod 23, so that the bottom of the fixing ring 81 contacts the top of the second nut 27, and then the screw 82 is turned to connect and fix the fixing ring 81 to the shell 1, thereby preventing the first nut 26 and the second nut 27 from moving, and then the liner body 11 can be stably connected and fixed to the shell 1 to prevent it from separating from the shell 1. The above is the working process of the whole device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing mechanism for a ball mill liner bolt, comprising a housing (1), a liner body (11), a fastening component for preventing the liner body (11) from being separated, and a sealing component for preventing material leakage, characterized in that: The fastening component comprises a plurality of notches (21) arranged in a circumferential manner and opened on the outer side of the shell (1), a plurality of connection ports (22) arranged in a circumferential manner and opened on the inner wall of the lining plate body (11), a screw rod (23) connected to the connection port (22), a torsion plate (24) fixedly connected to the bottom of the screw rod (23), inclined portions (25) respectively arranged on both sides of the torsion plate (24), a first nut (26) connected to the outer side of the screw rod (23), a second nut (27) arranged on the top of the first nut (26), a slide groove (28) respectively opened on both sides of the connecting port (22), an inclined block (29) slidably arranged in the slide groove (28), a spring (30) fixedly connected to one end of the inclined block (29), and sockets (31) respectively opened on both sides of the torsion plate (24), wherein the screw rod (23) passes through the lining plate body (11) and the shell (1) and extends into the notch (21).

2. The sealing mechanism for ball mill liner bolts according to claim 1, characterized in that: The sealing component comprises a pressing plate (41) sleeved on the outer side of the upper part of the screw (23), a first sealing ring (42) fixedly connected to one side of the bottom of the pressing plate (41), a sealing groove (43) opened at the top of the recess (21), and a second sealing ring (44) fixedly connected to the bottom of the first sealing ring (42), wherein the second sealing ring (44) is plugged into the sealing groove (43).

3. The sealing mechanism for ball mill liner bolts according to claim 1, characterized in that: Guide grooves (51) are respectively provided on both sides of the slide groove (28), and guide blocks (52) are respectively fixedly connected to both sides of the inclined block (29), and the guide blocks (52) are slidably connected to the guide grooves (51).

4. The sealing mechanism for ball mill liner bolts according to claim 2, characterized in that: A third sealing ring (61) is fixedly connected to the bottom of the recess (21), and a sealing block (62) is fixedly connected to the bottom of the pressure plate (41).

5. The sealing mechanism for ball mill liner bolts according to claim 1, characterized in that: A groove (71) is provided on one side of the slide groove (28), and a guide rod (72) is fixedly connected to one side of the inclined block (29), and the guide rod (72) is slidably connected to the groove (71).

6. The sealing mechanism for ball mill liner bolts according to claim 1, characterized in that: A fixing ring (81) is sleeved on the outside of the screw rod (23), and three screws (82) arranged in a circumference are provided on the top of the fixing ring (81), and the screws (82) are threadedly connected to the housing (1).

7. The sealing mechanism for ball mill liner bolts according to claim 1, characterized in that: A plurality of placement grooves (91) arranged evenly are provided on one side of the inclined block (29), and sliding beads (92) are provided in the placement grooves (91).

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