Refractory material crushing and screening device

Abstract

The utility model relates to the field of refractory material processing, in particular to a refractory material crushing and screening device which comprises a crushing mechanism for crushing a refractory material and a rack for mounting and supporting, the adjusting mechanism is used for adjusting the crushing mechanism so as to cope with special materials, the power mechanism is used for providing power for the crushing mechanism and the adjusting mechanism, the crushing mechanism is installed on the rack, and the power end of a second crushing roller and the power end of a first crushing roller of the crushing mechanism are connected with the power mechanism; a tightness adjusting mechanism for adjusting tightness is arranged on the power mechanism corresponding to the second crushing roller, and a vibrating screen assembly is mounted at a discharge port of the crushing mechanism. The adjusting mechanism for driving the second crushing roller to transversely swing is arranged on the second crushing roller, so that when the second crushing roller and the first crushing roller meet harder refractory materials, axial reciprocating twisting force can be added under the original opposite rolling action force, composite force is applied to the refractory materials, and the crushing effect on the refractory materials is improved.

Description

Technical Field

[0001] The utility model relates to the field of refractory material processing, in particular to a refractory material crushing and screening device. Background Art

[0002] Refractory crushing device is a device used to crush the original refractory material. Its main function is to crush the initial refractory block material into the required particle size to meet the requirements of the subsequent process. According to different refractory materials, appropriate crushing devices will be selected to ensure work efficiency. Currently, the common ones are: hammer crusher, jaw crusher, impact crusher, roller crusher, etc. These crushing devices are usually composed of motors, conveying devices, crushing chambers, crushing tools, etc. When using the crushing device, it is necessary to pay attention to safe operation, regular inspection and maintenance of the equipment to ensure its normal operation and long-term stable performance. At the same time, according to the characteristics and production requirements of the refractory materials, select suitable crushing devices and crushing process parameters to achieve the expected crushing effect.

[0003] In the prior art, a Chinese utility model with a comparative announcement number of CN214916536U discloses a screening type refractory material crushing device, which crushes, screens and collects refractory materials through a multi-stage screening structure and a crushing structure. However, during the crushing process, there are often individual harder blocks, which occasionally get stuck or fall out, affecting the work progress. Utility Model Content

[0004] The purpose of the utility model is to provide a refractory material crushing and screening device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A refractory material crushing and screening device, comprising a crushing mechanism for crushing refractory materials and a frame for mounting support, and also comprising an adjusting mechanism for adjusting the crushing mechanism to cope with special materials and a power mechanism for providing power to the crushing mechanism and the adjusting mechanism, wherein the frame is mounted with a crushing mechanism, a second crushing roller of the crushing mechanism and a power end of a first crushing roller are connected to the power mechanism, a loosening mechanism for adjusting tightness is arranged on the power mechanism corresponding to the second crushing roller, and a vibrating screen assembly is mounted at the discharge port of the crushing mechanism;

[0007] The power mechanism includes a second main shaft, which is axially mounted on the second crushing roller, and both ends of the second main shaft cooperate with the adjusting mechanism. The adjusting mechanism includes a lifting block, and the lifting block is connected to the second main shaft through a bearing. A lifting limit seat is arranged on the outside of the lifting block, and a matching limit block is arranged on the side of the lifting limit seat to cooperate with the lifting block. A matching swing groove matching the matching limit block is formed on the inner wall of the lifting block, and the matching swing groove is in the shape of a reciprocating broken line from top to bottom. A variable resistance copper strip is installed inside the matching swing groove, and a contact matching the variable resistance copper strip is installed on the matching limit block, and a reset component is arranged at the bottom of the matching limit block.

[0008] Preferably, the power mechanism further comprises a first main shaft, a power end of the first main shaft is connected to a first motor via a first transmission pulley set, and a power end of the second main shaft is connected to a second motor via a second transmission pulley set.

[0009] Preferably: the first transmission pulley group and the second transmission pulley group are both provided with a driving pulley, a passive pulley, and a transmission belt; the middle part of the transmission belt of the second transmission pulley group passes through the tensioning mechanism; the tensioning mechanism comprises an elastic frame, an elastic wheel, and an extrusion rod; the elastic frame is fixed to the frame; a groove is formed on the elastic frame to pass through the transmission belt; an elastic wheel is provided inside the elastic frame at the upper end of the transmission belt; the upper end of the elastic wheel is connected to the extrusion rod; the extrusion rod is connected to the elastic frame through an extrusion spring.

[0010] Preferably: the passive pulley of the second transmission pulley group is connected to the second main shaft via a spline, and the passive pulley of the second transmission pulley group is slidably connected to the second main shaft, a swing limit seat is connected to the second main shaft at one side of the second transmission pulley group, the bottom of the swing limit seat is fixedly connected to the frame, the second main shaft transversely penetrates and is connected to the swing limit seat, and the inner side surface of the swing limit seat corresponds to the end surface of the passive pulley of the second transmission pulley group.

[0011] Preferably, the reset assembly at the bottom of the matching limit block includes a support rod and a reset spring, the support rod is slidably connected to the mounting seat on the frame, and the reset spring is arranged outside the support rod and the top is matched with the lifting block.

[0012] Preferably, the resistor copper bar is electrically connected to the second motor.

[0013] Preferably, the vibrating screen assembly comprises a vibrating screen, a vibrating motor, and a blanking hopper, the vibrating screen is connected to the upper end of the blanking hopper by bolts, the vibrating motor is installed on the outer side of the bottom of the blanking hopper, and the blanking hopper is connected to the frame via a buffer seat.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] 1. By setting an adjustment mechanism on the second crushing roller to drive its horizontal swing, when the second crushing roller and the first crushing roller encounter a harder refractory material, an axial reciprocating rubbing force can be added to the original opposite rolling force, thereby exerting a composite force on the refractory material and improving the crushing effect of the refractory material;

[0016] 2. When the variable resistance copper bar detects that the lifting block, i.e. the second crushing roller, sinks, it can change the speed of the second motor, thereby driving the second crushing roller to slow down, so that a speed difference is generated between the second crushing roller and the first crushing roller, providing a speed difference on the end surface for the crushing process, and also improving the crushing effect;

[0017] 3. A reset component is arranged at the bottom of the lifting limit seat, and the elastic reset component is used to provide shock force and reset force for the lifting limit seat and the second crushing roller. When the second crushing roller is reset, the elastic potential energy can be used to provide an impact force for the second crushing roller, thereby assisting it in crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is the first axonometric view of a refractory material crushing and screening device described in the utility model;

[0020] Figure 2 It is a second axonometric view of a refractory material crushing and screening device according to the utility model;

[0021] Figure 3 It is a first axonometric view of a material drop box of a refractory material crushing and screening device described in the utility model;

[0022] Figure 4 It is the second axonometric view of the material box of the refractory material crushing and screening device described in the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the second crushing roller of a refractory material crushing and screening device described in the utility model;

[0024] Figure 6 This is a schematic diagram of the decomposed structure of the adjustment mechanism of a refractory material crushing and screening device described in the utility model;

[0025] Figure 7 This is a front view of the interior of a material drop box of a refractory material crushing and screening device described in the utility model;

[0026] Figure 8 It is a top view of the interior of a material drop box of a refractory material crushing and screening device described in the utility model;

[0027] Fig. 9 This is a schematic diagram of the structure of the loosening and tightening mechanism of a refractory material crushing and screening device described in the utility model;

[0028] Fig.10 It is a schematic diagram of the internal structure of a swing trough of a refractory material crushing and screening device described in the utility model.

[0029] The following are the descriptions of the reference numerals:

[0030] 1. Frame; 2. Crushing mechanism; 3. Power mechanism; 4. Adjusting mechanism; 5. Tensioning mechanism; 6. Vibrating screen assembly; 21. Blanking box; 22. Second crushing roller; 23. First crushing roller; 31. First motor; 32. Second motor; 33. First drive pulley group; 34. Second drive pulley group; 35. Swing limit seat; 36. Second main shaft; 37. First main shaft; 38. Driving belt; 41. Lifting limit seat; 42. Lifting block; 43. Matching limit block; 44. Matching swing slot; 45. Variable resistance copper strip; 51. Tensioning frame; 52. Tension wheel; 53. Extrusion rod; 54. Extrusion spring. DETAILED DESCRIPTION

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] The utility model is further described below in conjunction with the accompanying drawings:

[0033] like Figure 1-Figure 10As shown, a refractory material crushing and screening device comprises a crushing mechanism 2 for crushing refractory materials and a frame 1 for mounting support, and also comprises an adjusting mechanism 4 for adjusting the crushing mechanism 2 to cope with special materials and a power mechanism 3 for providing power to the crushing mechanism 2 and the adjusting mechanism 4. The crushing mechanism 2 is mounted on the frame 1, and the power ends of the second crushing roller 22 and the first crushing roller 23 of the crushing mechanism 2 are connected to the power mechanism 3. A loosening mechanism 5 for adjusting tightness is arranged on the power mechanism 3 corresponding to the second crushing roller 22, and a vibrating screen assembly 6 is installed at the discharge port of the crushing mechanism 2.

[0034] The power mechanism 3 includes a second main shaft 36, which is axially mounted on the second crushing roller 22. Both ends of the second main shaft 36 cooperate with the adjustment mechanism 4. The adjustment mechanism 4 includes a lifting block 42, which is connected to the second main shaft 36 through a bearing. A lifting limit seat 41 is arranged outside the lifting block 42. A matching limit block 43 is arranged on the side of the lifting limit seat 41 of the lifting block 42. A matching swing groove 44 for matching the limit block 43 is formed on the inner wall of the lifting block 42. The matching swing groove 44 is in a reciprocating fold line shape from top to bottom. A variable resistance copper strip 45 is installed inside the matching swing groove 44. Contacts for matching the variable resistance copper strip 45 are installed on the matching limit block 43, and a reset component is arranged at the bottom of the matching limit block 43.

[0035] In this embodiment, the power mechanism 3 also includes a first main shaft 37 , the power end of the first main shaft 37 is connected to the first motor 31 through a first transmission pulley set 33 , and the power end of the second main shaft 36 is connected to the second motor 32 through a second transmission pulley set 34 .

[0036] In this embodiment, the first transmission pulley group 33 and the second transmission pulley group 34 are both provided with a driving pulley, a passive pulley, and a transmission belt 38. The middle part of the transmission belt 38 of the second transmission pulley group 34 passes through the tensioning mechanism 5. The tensioning mechanism 5 includes an elastic frame 51, an elastic wheel 52, and an extrusion rod 53. The elastic frame 51 is fixed to the frame 1. A through groove for passing the transmission belt 38 is formed on the elastic frame 51. An elastic wheel 52 is provided at the upper end of the transmission belt 38 inside the elastic frame 51. The upper end of the elastic wheel 52 is connected to the extrusion rod 53, and the extrusion rod 53 is connected to the elastic frame 51 through an extrusion spring 54.

[0037] In this embodiment, the passive pulley of the second transmission pulley group 34 is connected to the second main shaft 36 through a spline, and the passive pulley of the second transmission pulley group 34 is slidably connected to the second main shaft 36, and a swing limit seat 35 is connected to the second main shaft 36 on one side of the second transmission pulley group 34, and the bottom of the swing limit seat 35 is fixedly connected to the frame 1, and the second main shaft 36 transversely penetrates the swing limit seat 35, and the inner side surface of the swing limit seat 35 corresponds to the end surface of the passive pulley of the second transmission pulley group 34.

[0038] In this embodiment, the reset component at the bottom of the limit block 43 includes a support rod and a reset spring. The support rod is slidably connected to the mounting seat on the frame 1. The reset spring is arranged on the outside of the support rod and the top is matched with the lifting block 42. The reset spring is used to provide elastic support for the lifting block 42, thereby providing instantaneous power for subsequent reset.

[0039] In this embodiment, the varistor copper strip 45 is electrically connected to the second motor 32 , and the current is changed by the contact between the varistor copper strip 45 and the contactor to control the rotation speed of the second motor 32 .

[0040] In this embodiment, the vibrating screen assembly 6 includes a vibrating screen, a vibrating motor, and a blanking funnel. The vibrating screen is connected to the upper end of the blanking funnel by bolts, the vibrating motor is installed on the outside of the bottom of the blanking funnel, and the blanking funnel is connected to the frame 1 through a buffer seat.

[0041] Working principle: Start the first motor 31 and the second motor 32 to drive the first crushing roller 23 and the second crushing roller 22 to rotate respectively. At this time, the refractory material is poured into the blanking box 21 through the top opening of the blanking box 21. The second crushing roller 22 and the first crushing roller 23 cooperate to crush the refractory material.

[0042] When a harder and harder-to-crush case occasionally appears in the refractory material, the pressure between the first crushing roller 23 and the second crushing roller 22 increases. At this time, because the second main shaft 36 on the second crushing roller 22 is connected to the reset assembly through the lifting limit seat 41, the second crushing roller 22 will sink. While sinking, the contact of the matching limit block 43 contacts the variable resistance copper strip 45. The variable resistance copper strip 45 changes the current size to control the second motor 32 to decelerate. At the same time, because the lifting limit seat 41 sinks, the matching limit blocks 43 on both sides of the lifting limit seat 41 are reciprocated by the matching swing groove 44, thereby driving the second main shaft 36 to reciprocate axially. Because the second main shaft 36 is fixedly connected to the second crushing roller 22, the second crushing roller 22 is also driven to swing back and forth axially. At this time, the reciprocatingly swinging second crushing roller 22 cooperates with the stationary first crushing roller 23 to crush the refractory material with greater force, thereby crushing the harder refractory material.

[0043] Because a reset spring is provided at the bottom of the lifting limit seat 41, the elastic reset spring is used to provide shock force and reset force for the lifting limit seat 41 and the second crushing roller 22. When the second crushing roller 22 is reset, the elastic potential energy can be used to provide an impact force for the second crushing roller 22, thereby assisting it in crushing.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A refractory material crushing and screening device, comprising a crushing mechanism (2) for crushing refractory materials and a frame (1) for mounting and supporting, characterized in that: It also includes an adjusting mechanism (4) for adjusting the crushing mechanism (2) to cope with special materials and a power mechanism (3) for providing power to the crushing mechanism (2) and the adjusting mechanism (4); the crushing mechanism (2) is installed on the frame (1); the power ends of the second crushing roller (22) and the first crushing roller (23) of the crushing mechanism (2) are connected to the power mechanism (3); a tensioning mechanism (5) for adjusting tension is provided on the power mechanism (3) corresponding to the second crushing roller (22); and a vibrating screen assembly (6) is installed at the discharge port of the crushing mechanism (2); The power mechanism (3) comprises a second main shaft (36), the second main shaft (36) is axially mounted on the second crushing roller (22), the two ends of the second main shaft (36) cooperate with the adjustment mechanism (4), the adjustment mechanism (4) comprises a lifting block (42), the lifting block (42) is connected to the second main shaft (36) through a bearing, a lifting limit seat (41) is arranged outside the lifting block (42), a matching limit block (43) is arranged on the side of the lifting limit seat (41) in cooperation with the lifting block (42), a matching swing groove (44) matching with the matching limit block (43) is formed on the inner wall of the lifting block (42), the matching swing groove (44) is in the shape of a reciprocating broken line from top to bottom, a variable resistance copper strip (45) is installed inside the matching swing groove (44), a contact matching with the variable resistance copper strip (45) is installed on the matching limit block (43), and a reset component is arranged at the bottom of the matching limit block (43).

2. A refractory material crushing and screening device according to claim 1, characterized in that: The power mechanism (3) further comprises a first main shaft (37), a power end of the first main shaft (37) being connected to a first motor (31) via a first transmission pulley set (33), and a power end of the second main shaft (36) being connected to a second motor (32) via a second transmission pulley set (34).

3. A refractory material crushing and screening device according to claim 2, characterized in that: The first transmission pulley group (33) and the second transmission pulley group (34) are both provided with a driving pulley, a driven pulley and a transmission belt (38); the middle part of the transmission belt (38) of the second transmission pulley group (34) passes through the tensioning mechanism (5); the tensioning mechanism (5) comprises an elastic frame (51), an elastic wheel (52) and an extrusion rod (53); the elastic frame (51) is fixedly connected to the frame (1); a through groove for passing the transmission belt (38) is formed on the elastic frame (51); an elastic wheel (52) is provided inside the elastic frame (51) at the upper end of the transmission belt (38); the upper end of the elastic wheel (52) is connected to the extrusion rod (53); the extrusion rod (53) is connected to the elastic frame (51) via an extrusion spring (54).

4. A refractory material crushing and screening device according to claim 3, characterized in that: The passive pulley of the second transmission pulley group (34) is connected to the second main shaft (36) via a spline, and the passive pulley of the second transmission pulley group (34) is slidably connected to the second main shaft (36); a swing limit seat (35) is connected to the second main shaft (36) at one side of the second transmission pulley group (34); the bottom of the swing limit seat (35) is fixedly connected to the frame (1); the second main shaft (36) is laterally penetrated and connected to the swing limit seat (35); the inner side surface of the swing limit seat (35) corresponds to the end surface of the passive pulley of the second transmission pulley group (34).

5. The refractory material crushing and screening device according to claim 1, characterized in that: The reset component at the bottom of the matching limit block (43) comprises a support rod and a reset spring, the support rod is slidably connected to a mounting seat on the frame (1), and the reset spring is arranged outside the support rod and the top is matched with the lifting block (42).

6. A refractory material crushing and screening device according to claim 2, characterized in that: The varistor copper strip (45) is electrically connected to the second motor (32).

7. A refractory material crushing and screening device according to claim 1, characterized in that: The vibrating screen assembly (6) comprises a vibrating screen, a vibrating motor and a material dropping funnel. The vibrating screen is connected to the upper end of the material dropping funnel via bolts. The vibrating motor is installed on the outer side of the bottom of the material dropping funnel. The material dropping funnel is connected to the frame (1) via a buffer seat.

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