A double-roll ore crusher

Abstract

The present invention discloses a double-roll ore crusher, which includes a double-roll crusher housing, a first partition, a second partition, two movable plates, a driving mechanism, a flipping mechanism and a filter assembly. Both sides of the first partition and the second partition are fixed to the inner walls of both sides of the double-roll crusher housing. The first partition and the second partition divide the inside of the double-roll crusher housing into a material drop zone, an uncrushed material recovery zone and a power chamber. The filter assembly moves in the material drop zone and the uncrushed material recovery zone. The flipping mechanism is arranged on one side of the filter assembly to flip the filter assembly and invert the uncrushed material inside it into the uncrushed material recovery zone. When one of the filter screens moves to the material drop zone to filter the crushed ore, the other filter screen that collects the uncrushed material will move to the uncrushed material recovery zone. The two filter screens filter the crushed ore alternately and reciprocally to avoid the uncrushed material and the crushed ore from being mixed together.

Description

Technical Field

[0001] The invention relates to the technical field of mining, and in particular to a double-roller ore crusher. Background Art

[0002] Double-roll crusher is suitable for crushing materials with medium and high hardness in metallurgy, building materials, refractory materials and other industrial sectors. This series of double-roll crusher is mainly composed of rollers, roller support bearings, pressing and adjusting devices, and driving devices. Double-roll crusher will drop the crushed materials between the two rollers through the feeding port for extrusion and crushing, and the finished materials will fall naturally.

[0003] The Chinese patent (publication number CN103551221B) discloses a roller type ore crusher, which includes a frame, a roller crushing mechanism arranged on the frame, an engine, a transmission device, and a walking mechanism arranged on the side or bottom of the frame. The roller crushing mechanism includes a roller assembly 1 and a roller assembly 2, and a pre-tightening mechanism is arranged on the frame to make the roller assembly 2 have a tendency to move toward the roller assembly 1. The ore crusher is not only compact in structure, but also has good crushing effect, is easy to move, and has a long service life.

[0004] The prior art also discloses a double roll crusher for use in mining feedstock from oil sands, each roll having a drive train driven by a high-efficiency motor controlled by a variable frequency drive (VFD). A shorter, streamlined, low-inertia drive train is achieved by removing the previously prevalent fluid coupling and associated failure-prone components. The VFD and system controller adapt to difficult oil sands feedstock processing, anticipate high current events, and dynamically adjust roll speeds, adjust feed speeds, or both to minimize the high costs of process interruptions. Maximum starting torque and dynamic modification of roll and feeder speeds are provided to manage feedstock, environmental, and process variations, and in the event of a stall, immediate recovery is achieved, reducing downtime, reducing wear, and increasing efficiency.

[0005] However, in the products of the above patents and prior art, when encountering hard or unbreakable objects, the rollers of the roller crusher can automatically retreat by the action of hydraulic cylinders or springs, so that the gap between the rollers increases, and the hard or unbreakable objects fall down, thereby protecting the machine from damage. However, when the gap between the rollers increases, although the unbreakable objects can fall through the gap, the unbroken ore will also fall through the gap and be mixed with the crushed materials. It is necessary to screen these unbroken materials later, which is time-consuming and labor-intensive. Summary of the invention

[0006] (I) Purpose of the invention

[0007] In view of this, the purpose of the present invention is to propose a double-roll ore crusher, which aims to solve the problem raised in the background technology that when the gap between the rollers increases, although the uncrushed objects can fall from the gap, the uncrushed ore will also fall from the gap and be mixed with the crushed materials, and these uncrushed materials will need to be screened later.

[0008] (II) Technical solution

[0009] In order to achieve the above technical purpose, the present invention provides a double-roll ore crusher:

[0010] It includes a double-roll crusher shell, a first partition, a second partition, two movable plates, a driving mechanism, a flipping mechanism and a filter assembly. Both sides of the first partition and the second partition are fixed to the inner walls of both sides of the double-roll crusher shell, and the first partition and the second partition divide the inside of the double-roll crusher shell into a material dropping area, an uncrushed material recovery area and a power chamber. The filter assembly moves in the material dropping area and the uncrushed material recovery area. The flipping mechanism is arranged on one side of the filter assembly to flip the filter assembly and invert the uncrushed material inside it into the uncrushed material recovery area. The movable plate is arranged on one side of the flipping mechanism. The movable plate moves in the uncrushed material recovery area and the power chamber, and the driving mechanism is arranged in the power chamber and drives the movable plate to move.

[0011] Preferably, a rectangular groove is provided on one side of the movable plate, and a cylindrical rod is fixed to the inner wall of the rectangular groove. A toggle rod is provided in the power chamber, and two second sliding grooves are provided in the toggle rod, and the cylindrical rod is slidably fitted in the corresponding second sliding grooves.

[0012] Preferably, the driving mechanism includes a first servo motor installed on the outside of the double-roll crusher casing, a rotating shaft is fixed in the middle of the toggle rod, and both ends of the rotating shaft pass through the double-roll crusher casing and are rotatably connected to the double-roll crusher casing, and one end of the rotating shaft passes through the double-roll crusher casing and is fixed to the output end of the first servo motor.

[0013] Preferably, the filter assembly includes a frame, and a filter screen is fixed inside the frame, two first slide grooves are opened in the first partition, and the frame moves in the material dropping area and the unbroken material recovery area through the first slide grooves.

[0014] Preferably, the flipping mechanism includes a box body, a connecting rod is fixed on one side of the frame, and the connecting rod is slidably fitted in a first slide groove, the end of the connecting rod away from the frame passes through the box body and is rotatably connected to the box body, and the end of the connecting rod extending to the inside of the box body is rotatably connected to the inner wall of the box body through a first embedded bearing, and a worm gear is fixed to the outside of the connecting rod extending to the inside of the box body, and a control unit for controlling the rotation of the worm gear is arranged in the box body.

[0015] Preferably, the control unit includes a second servo motor installed in the housing, a worm is fixed to the output end of the second servo motor, the worm and the worm wheel are meshed, and the top of the worm and the inner wall of the top of the housing are rotatably connected via a second embedded bearing.

[0016] Preferably, a side of the box body away from the frame is fixed to a side of the movable plate, and the movable plate passes through the second partition plate and is slidably connected to the second partition plate.

[0017] Preferably, a slot for sliding the movable plate is provided in the second partition plate, and the heights of the first slide groove and the slot are both smaller than the height of the box body.

[0018] It can be seen from the above technical solutions that the present application has the following beneficial effects:

[0019] 1: Through the setting of the frame, filter, toggle rod and moving plate, the toggle rod drives the moving plate to move when it rotates. When one of the frames and filter moves to the material drop area to filter the crushed ore, the other frame and filter that collects the unbroken material will move to the unbroken material recovery area. The two frames and filter alternate back and forth to filter the crushed ore and avoid the unbroken material and the crushed ore from being mixed together.

[0020] 2: Through the setting of the material dropping area and the unbroken material recovery area, since the frame and the filter screen filter the crushed materials in the material dropping area, the crushed ore will be filtered by the filter screen and fall from the material dropping area, and the unbroken material will be moved to the unbroken material recovery area through the frame and the filter screen, and then the second servo motor is started to drive the worm to rotate, thereby driving the worm wheel and the connecting rod to rotate, and then the frame and the filter screen are turned over, that is, the unbroken materials on the frame and the filter screen are collected from the unbroken material recovery area, so that the crushed ore and the unbroken material are collected separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention 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 embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0022] Figure 1 A schematic structural diagram of a double-roll ore crusher provided by the present invention;

[0023] Figure 2 A schematic diagram of a partial cross-sectional structure of a double-roll ore crusher provided by the present invention;

[0024] Figure 3 A schematic diagram of the top view of the flip mechanism and the filter assembly provided by the present invention;

[0025] Figure 4 A schematic diagram of the connection structure between the toggle rod and the moving plate provided by the present invention;

[0026] Figure 5 A schematic diagram of the structure of a filter assembly in a double-roll ore crusher provided by the present invention;

[0027] Figure 6 A schematic diagram of the internal structure of a control unit in a double-roll ore crusher provided by the present invention.

[0028] Description of the drawings: 1. Roller crusher housing; 2. First partition; 3. Second partition; 4. Dropping area; 5. Uncrushed material recovery area; 6. Power chamber; 7. Toggle lever; 8. Rotating shaft; 9. First servo motor; 10. Moving plate; 11. Box body; 12. Connecting rod; 13. Frame; 14. Filter screen; 15. First chute; 16. Worm gear; 17. Second servo motor; 18. Worm; 19. Rectangular groove; 20. Cylindrical rod; 21. Second chute. DETAILED DESCRIPTION

[0029] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0030] Reference Figure 1-6 :

[0031] Embodiment 1

[0032] A double-roll ore crusher comprises a double-roll crusher housing 1, a first partition 2, a second partition 3, two movable plates 10, a driving mechanism, a flipping mechanism and a filter assembly. Both sides of the first partition 2 and the second partition 3 are fixed to the inner walls of both sides of the double-roll crusher housing 1, and the first partition 2 and the second partition 3 divide the double-roll crusher housing 1 into a material dropping area 4, an uncrushed material recovery area 5, and a power chamber 6. The filter assembly moves in the material dropping area 4 and the uncrushed material recovery area 5. The flipping mechanism is arranged on one side of the filter assembly for flipping the filter assembly and placing the uncrushed material inside it upside down in the uncrushed material recovery area 5. The filter assembly comprises a frame 13.

[0033] It should be noted that the two frames 13 are both located below the rollers in the housing 1 of the double-roll crusher, so that the two frames 13 can alternately filter the materials crushed by the rollers, thereby preventing uncrushed materials from being mixed with crushed materials.

[0034] Among them, the movable plate 10 is arranged on one side of the flipping mechanism, and the movable plate 10 moves in the unbroken material recovery area 5 and the power chamber 6, and the driving mechanism is arranged in the power chamber 6 and drives the movable plate 10 to move, and a filter screen 14 is fixed inside the frame 13, and two first chutes 15 are opened in the first partition plate 2, and the frame 13 passes through the first chutes 15 and moves in the blanking area 4 and the unbroken material recovery area 5.

[0035] It should be noted that the width of the frame 13 is equal to the diameter of the two rollers, so that when the frame 13 moves into the material drop zone 4 , the material crushed by the rollers can completely fall into the frame 13 and be filtered by the filter screen 14 .

[0036] Specifically, the flipping mechanism includes a box body 11, a connecting rod 12 is fixed on one side of a frame 13, and the connecting rod 12 is slidably fitted in a first slide groove 15, an end of the connecting rod 12 away from the frame 13 passes through the box body 11 and is rotatably connected to the box body 11, and an end of the connecting rod 12 extending to the inside of the box body 11 is rotatably connected to the inner wall of the box body 11 through a first embedded bearing, and a worm gear 16 is fixed to the outside of the connecting rod 12 extending to the inside of the box body 11, and a control unit for controlling the rotation of the worm gear 16 is provided in the box body 11.

[0037] It should be noted that the width of the blanking area 4 is equal to the width of the uncrushed material recovery area 5, and the width of the frame 13 plus the length of the connecting rod 12 plus the width of the box body 11 are all smaller than the widths of the blanking area 4 and the uncrushed material recovery area 5, so that when the box body 11 and one side of the second partition 3 are in contact, the frame 13 can be completely moved into the uncrushed material recovery area 5, that is, the frame 13 can be flipped in the uncrushed material recovery area 5.

[0038] Furthermore, the control unit includes a second servo motor 17 installed in the housing 11, a worm 18 is fixed to the output end of the second servo motor 17, the worm 18 is meshed with the worm wheel 16, and the top of the worm 18 and the inner wall of the top of the housing 11 are rotatably connected via a second embedded bearing.

[0039] Embodiment 2

[0040] A double-roll ore crusher, based on the first embodiment, has a rectangular groove 19 on one side of a movable plate 10, and a cylindrical rod 20 is fixed to the inner wall of the rectangular groove 19, a toggle rod 7 is provided in a power chamber 6, and two second slide grooves 21 are provided in the toggle rod 7, and the cylindrical rod 20 is slidably matched in the corresponding second slide grooves 21, and a driving mechanism includes a first servo motor 9 installed on the outside of a double-roll crusher housing 1, a rotating shaft 8 is fixed to the middle of the toggle rod 7, and both ends of the rotating shaft 8 pass through the double-roll crusher housing 1 and are rotatably connected to the double-roll crusher housing 1, and one end of the rotating shaft 8 passes through the double-roll crusher housing 1 and is fixed to the output end of the first servo motor 9.

[0041] It should be noted that a backing plate is fixed to the outer side of the double-roll crusher housing 1, the first servo motor 9 is mounted on the backing plate, and the first servo motor 9 and the second servo motor 17 are both electrically connected to an external power supply.

[0042] Specifically, the side of the box 11 away from the frame 13 is fixed to the side of the movable plate 10, and the movable plate 10 passes through the second partition 3 and is slidably connected to the second partition 3. A groove for the movable plate 10 to slide is opened in the second partition 3, and the height of the first slide groove 15 and the groove are both less than the height of the box 11.

[0043] Working principle: After the ore is crushed by the roller, it will fall into the frame 13 located above, and will be filtered by the filter 14. The crushed ore will fall out of the drop zone 4 and be collected, and the uncrushed material will be retained in the frame 13. Then, the first servo motor 9 is started, and the first servo motor 9 drives the rotating shaft 8 to rotate. When the rotating shaft 8 rotates, it drives the toggle lever 7 to rotate. When the toggle lever 7 rotates, it drives the moving plate 10 to move, so that the moving plate 10 located above drives the frame 13 located above to move to the uncrushed material recovery zone 5, and the moving plate 10 located below drives the frame 13 located below to move from the uncrushed material recovery zone 5 to the drop zone. 4, at this time, the frame 13 and the filter screen 14 located below can continue to filter the crushed ore, and the frame 13 and the filter screen 14 located above that have collected the uncrushed materials are moved to the uncrushed material recovery area 5, and then the second servo motor 17 is started, and the second servo motor 17 drives the worm 18 to rotate, and when the worm 18 rotates, it drives the worm wheel 16 to rotate, so that the worm wheel 16 drives the connecting rod 12, the frame 13, and the filter screen 14 to rotate. After the frame 13 and the filter screen 14 are turned over, the uncrushed materials inside them can be dumped to the bottom of the uncrushed material recovery area 5, so that the crushed ore and the uncrushed materials are collected separately.

[0044] The exemplary implementation scheme of the present disclosure is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. A double-roll ore crusher, comprising a double-roll crusher housing (1), a first partition (2), a second partition (3), two movable plates (10), a driving mechanism, a turning mechanism and a filter assembly, characterized in that: Both sides of the first partition plate (2) and the second partition plate (3) are fixed to the inner walls of both sides of the housing (1) of the double-roll crusher, and the first partition plate (2) and the second partition plate (3) divide the housing (1) of the double-roll crusher into a material dropping area (4), an uncrushed material recovery area (5), and a power chamber (6); the filter assembly moves in the material dropping area (4) and the uncrushed material recovery area (5); the flip mechanism is arranged on one side of the filter assembly for flipping the filter assembly and placing the uncrushed material inside the filter assembly upside down into the uncrushed material recovery area (5); the movable plate (10) is arranged on one side of the flip mechanism; the movable plate (10) moves in the uncrushed material recovery area (5) and the power chamber (6); and the driving mechanism is arranged in the power chamber (6) and drives the movable plate (10) to move; A rectangular groove (19) is provided on one side of the movable plate (10), and a cylindrical rod (20) is fixed to the inner wall of the rectangular groove (19); a toggle rod (7) is provided in the power chamber (6), and two second slide grooves (21) are provided in the toggle rod (7), and the cylindrical rod (20) is slidably fitted in the corresponding second slide grooves (21); The driving mechanism comprises a first servo motor (9) mounted on the outside of the roller crusher housing (1); a rotating shaft (8) is fixed to the middle of the toggle lever (7); both ends of the rotating shaft (8) penetrate the roller crusher housing (1) and are rotatably connected to the roller crusher housing (1); and one end of the rotating shaft (8) penetrates the roller crusher housing (1) and is fixed to the output end of the first servo motor (9); The filter assembly comprises a frame (13), and a filter screen (14) is fixed inside the frame (13); two first slide grooves (15) are provided inside the first partition plate (2); the frame (13) passes through the first slide grooves (15) and moves in the material dropping area (4) and the unbroken material recovery area (5); The flip mechanism comprises a box (11), a connecting rod (12) is fixed on one side of the frame (13), and the connecting rod (12) is slidably fitted in a first slide groove (15), an end of the connecting rod (12) away from the frame (13) passes through the box (11) and is rotationally connected to the box (11), and an end of the connecting rod (12) extending into the box (11) is rotationally connected to the inner wall of the box (11) through a first embedded bearing, and a worm gear (16) is fixed on the outer side of the connecting rod (12) extending into the box (11), and a control unit for controlling the rotation of the worm gear (16) is arranged in the box (11); The control unit comprises a second servo motor (17) installed in the housing (11), a worm (18) being fixed to an output end of the second servo motor (17), the worm (18) being meshed with the worm wheel (16), and a top of the worm (18) being rotatably connected to an inner wall of a top of the housing (11) via a second embedded bearing; A side of the box body (11) away from the frame (13) is fixed to a side of the movable plate (10), and the movable plate (10) passes through the second partition plate (3) and is slidably connected to the second partition plate (3); A slot for the movable plate (10) to slide is provided in the second partition plate (3), and the heights of the first sliding groove (15) and the slot are both less than the height of the box body (11).

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