Crusher for beneficiation of gold melting ore

Abstract

The utility model relates to the technical field of gold ore beneficiation, and particularly discloses a crusher for gold ore beneficiation, which comprises a crushing box and supporting legs at the bottom of the crushing box, an end cover is arranged on the top surface of the crushing box, a feed port is arranged on the end cover, crushing rollers capable of rotating relatively are arranged in the crushing box corresponding to two ends of the feed port, and the crushing rollers are arranged on the top surface of the crushing box. Connecting covers are fixedly arranged at the positions, close to the outer side ends of the two crushing rollers, of the inner wall of the crushing box, a coarse screen capable of swinging left and right is jointly arranged on the bottom faces of the two connecting covers, and a fine screen capable of swinging left and right is arranged at the position, corresponding to the position below the coarse screen, of the inner wall of the crushing box. An adjusting device capable of enabling the coarse screen and the fine screen to swing synchronously is arranged on the crushing box, and a discharging opening is further formed in the bottom face of the crushing box. In the use process, the ore crushing device can perform grading screening operation on crushed ore, so that the processing quality requirement of the ore crushing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gold ore dressing, in particular to a crusher for dressing gold ore. Background Art

[0002] Gold ore is a mineral aggregate with sufficient gold content and can be industrially utilized. A gold mine is a place where gold is obtained through mining operations, and it is a deposit of gold ore with a certain scale that is formed through mineralization. After the gold ore raw materials are mined, they need to be processed into small blocks by a crushing device and then processed in the next process.

[0003] After the traditional crushing device for gold ore dressing finishes crushing, it can only perform simple screening operations and cannot perform grading screening operations, reducing the quality requirements of the processing of this device. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that it cannot effectively perform grading screening operations on the ore after crushing, resulting in a reduction in processing quality.

[0005] To solve the above problems, the technical solution of the utility model is: a crusher for dressing gold ore, including a crushing box and support legs at the bottom of the crushing box. An end cover is provided on the top surface of the crushing box, and a feed inlet is provided on this end cover. In the crushing box corresponding to both ends of the feed inlet, there are relatively rotatable crushing rolls;

[0006] On the inner wall of the crushing box near the outer ends of the two crushing rolls, connecting covers are fixedly provided. A coarse sieve is provided on the common bottom surface of the two connecting covers and can swing left and right. On the inner wall of the crushing box corresponding to the lower part of the coarse sieve, a fine sieve is provided and can swing left and right. And an adjusting device is provided on the crushing box to synchronously swing the coarse sieve and the fine sieve. An outlet is also opened on the bottom surface of the crushing box.

[0007] Further, the adjusting device includes a first guide rod, a second guide rod, a turntable and a swing arm. In the middle positions of the left and right ends of the coarse sieve and the fine sieve, a first guide rod and a second guide rod are respectively fixedly provided and extend to the outside of the crushing box. A limit seat is fixedly provided at the outer end of the second guide rod. A first return spring is wound around the second guide rod between the limit seat and the crushing box. An installation frame is provided on the end surface of the crushing box corresponding to the first guide rod;

[0008] A connecting shaft is fixedly provided on the inner wall of the installation frame corresponding to the first guide rod. A rotatable turntable is provided on the connecting shaft. An eccentric shaft is fixedly provided at an eccentric position on the end surface of the turntable. A hinge seat is provided on the end surface of the first guide rod. A swing arm is commonly connected between the hinge seat and the eccentric shaft. A transmission device is also provided on the installation frame to synchronously rotate its two turntables.

[0009] Further, the transmission device includes a support base and a worm. The outer sides of the two turntables are of worm gear structure. A support base is fixedly provided on the side wall of the installation frame. A worm meshing with the worm gear structure is rotatably provided on the support base. The opposite ends of the two worms are fixedly connected. The end of any one of the worms extending out of the installation frame is connected to the output shaft of the motor.

[0010] Further, a second return spring is also wound around the first guide rod between the end faces of the coarse screen, the fine screen and the inner wall of the crushing box.

[0011] Further, installation grooves are formed in the end faces of the crushing box corresponding to the coarse screen and the fine screen, and a box door is hinged in the installation grooves.

[0012] Further, guide seats are respectively provided on the inner walls of the crushing box at both ends of the discharge port.

[0013] The advantages of the present utility model compared with the existing technology are as follows:

[0014] 1. Under the action of the coarse screen and the fine screen which can swing left and right and cooperate with each other up and down in the crushing box, and with the cooperation of the first guide rod, the second guide rod, the turntable, the half shaft, the hinge seat and the swing arm, the left and right swing adjustment of the coarse screen and the fine screen can be carried out, so as to carry out classification screening treatment on the crushed ore, and the processing quality requirements of the device are improved;

[0015] 2. With the cooperation of the worm gear mechanism and the worm on the turntable and under the action of the motor, the motor can be started to drive the worm to rotate, and then drive the turntables with worm gear structures at the upper and lower ends to rotate, so as to carry out synchronous left and right swing adjustment on the coarse screen and the fine screen at the upper and lower ends thereof. Description of the Drawings

[0016] Figure 1 is the front structural diagram of the present utility model.

[0017] Figure 2 is the internal structural diagram of the present utility model.

[0018] Figure 3 is the back structural diagram of the present utility model.

[0019] As shown in the figure: 1. Crushing box; 2. Support legs; 3. End cover; 4. Feeding port; 5. Crushing rollers; 6. Connecting cover; 7. Coarse screen; 8. Fine screen; 9. Guide rod 1; 10. Guide rod 2; 11. Limit seat; 12. Return spring 1; 13. Installation frame; 14. Connecting shaft; 15. Turntable; 16. Half shaft; 17. Hinge seat; 18. Swing arm; 19. Support seat; 20. Worm; 21. Motor; 22. Box door; 23. Discharge port; 24. Return spring 2; 25. Flow guide seat. Detailed implementation manner

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0021] Embodiment 1

[0022] As Figures 1 to 3 shown, a crusher for gold ore beneficiation includes a crushing box 1 and support legs 2 at the bottom of the crushing box 1. An end cover 3 is provided on the top surface of the crushing box 1, and a feeding port 4 is provided on the end cover 3. In the crushing box 1 corresponding to both ends of the feeding port 4, there are relatively rotatable crushing rollers 5. During the relative rotation of the two crushing rollers 5, the ore is crushed, and this operation belongs to the prior art;

[0023] On the inner wall of the crushing box 1 near the outer ends of the two crushing rollers 5, a connecting cover 6 is fixedly provided. A coarsescreen 7 that can swing left and right is commonly provided on the bottom surfaces of the two connecting covers 6, and the coarsescreen 7 is connected to the two connecting covers 6 through the cooperation of a chute and a slider. On the inner wall of the crushing box 1 corresponding to the lower part of the coarsescreen 7, a finescreen 8 that can swing left and right is provided, and an adjusting device is provided on the crushing box 1 to synchronously swing the coarsescreen 7 and the finescreen 8. A discharge port 23 is also opened on the bottom surface of the crushing box 1, and flow guide seats 25 are respectively provided on the inner walls of the crushing box 1 at both ends of the discharge port 23.

[0024] As Figure 2 shown, the adjusting device includes a guide rod 1 9, a guide rod 2 10, a turntable 15 and a swing arm 18. Guide rods 1 9 and guide rod 2 10 are respectively fixedly provided at the middle positions of the left and right ends of the coarsescreen 7 and the finescreen 8 and extend to the outside of the crushing box 1. A limit seat 11 is fixedly provided at the outer end of the guide rod 2 10. A return spring 1 12 is wound around the guide rod 2 10 between the limit seat 11 and the crushing box 1. An installation frame 13 is provided on the end surface of the crushing box 1 corresponding to the guide rod 1 9;

[0025] On the inner wall of the mounting frame 13, a connecting shaft 14 is fixedly provided corresponding to the first guide rod 9. A rotatable turntable 15 is provided on the connecting shaft 14, and the turntable 15 and the first guide rod 9 are in a front-back dislocation state. An eccentric shaft 16 is fixedly provided at an eccentric position on the end face of the turntable 15. A hinge seat 17 is provided on the end face of the first guide rod 9. A swing arm 18 is commonly connected to the hinge seat 17 and the eccentric shaft 16. The end of the swing arm 18 is sleeved on the eccentric shaft 16 through a spherical plain bearing and then fixed by a lock nut. A transmission device for synchronously rotating the two turntables 15 is also provided on the mounting frame 13.

[0026] As Figure 2 shown, a second return spring 24 is also wound around the first guide rod 9 between the end faces of the coarse screen 7, the fine screen 8 and the inner wall of the crushing box 1.

[0027] As Figure 1 shown, an installation groove is formed on the end face of the crushing box 1 corresponding to the coarse screen 7 and the fine screen 8, and a box door 22 is hinged in this installation groove. By opening the box door 22, the larger ores in the coarse screen 7 and the fine screen 8 can be taken out and collected.

[0028] Embodiment 2

[0029] On the basis of Embodiment 1, as Figure 2 shown, the specific structure of the transmission device is as follows:

[0030] The transmission device includes a support seat 19 and a worm 20. The outer sides of the two turntables 15 are of worm gear structures. A support seat 19 is fixedly provided on the side wall of the mounting frame 13. A worm 20 meshing with the worm gear structure is rotatably provided on the support seat 19. The opposite ends of the two worms 20 are fixedly connected. The end of any one worm 20 extending out of the mounting frame 13 is connected to the output shaft of the motor 21. Starting the motor 21 drives the worms 20 at the upper and lower ends to rotate synchronously, and then drives the turntables 15 of the worm gear structures at the upper and lower ends to rotate synchronously for adjustment.

[0031] In specific use, first, the ore is injected into the crushing box 1 from the feed inlet 4. During the relative rotation of the two crushing rolls 5 at both ends, the ore is crushed. At the same time, the motor 21 is started to drive the worms 20 at the upper and lower ends to rotate synchronously, and then drive the turntables 15 of the worm gear structures at the upper and lower ends to rotate synchronously. Under the action of the swing arms 18 hinged at the eccentric positions, the coarse screens 7 and the fine screens 8 at the upper and lower ends are driven to swing left and right synchronously, so as to perform a grading and screening operation on the crushed ore. The screened ore is discharged and collected from the discharge port 23, improving the processing quality requirements of this device.

[0032] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A crusher for gold ore dressing, comprising a crushing box (1) and supporting legs (2) at the bottom of the crushing box (1), an end cover (3) is provided on the top surface of the crushing box (1) and a feed port (4) is provided on the end cover (3), and relatively rotatable crushing rollers (5) are provided in the crushing box (1) at the two ends corresponding to the feed port (4), characterized in that: A connecting cover (6) is fixedly provided on the inner wall of the crushing box (1) near the outer ends of the two crushing rollers (5); a coarse screen (7) that can swing left and right is provided on the bottom surfaces of the two connecting covers (6); a fine screen (8) that can swing left and right is provided on the inner wall of the crushing box (1) corresponding to the coarse screen (7); and an adjusting device that can make the coarse screen (7) and the fine screen (8) swing synchronously is provided on the crushing box (1); and a discharge port (23) is also provided on the bottom surface of the crushing box (1).

2. A crusher for gold ore dressing according to claim 1, characterized in that: The adjusting device comprises a guide rod 1 (9), a guide rod 2 (10), a rotating disk (15) and a swing arm (18); the guide rod 1 (9) and the guide rod 2 (10) are respectively fixedly provided at the middle positions of the left and right ends of the coarse screen (7) and the fine screen (8) and extend to the outside of the crushing box (1); a limit seat (11) is fixedly provided at the outer end of the guide rod 2 (10); a return spring 1 (12) is wound around the guide rod 2 (10) between the limit seat (11) and the crushing box (1); and a mounting frame (13) is provided on the end surface of the crushing box (1) corresponding to the guide rod 1 (9); A connecting shaft (14) is fixedly provided on the inner wall of the installation frame (13) at a position corresponding to the guide rod (9); a rotatable turntable (15) is provided on the connecting shaft (14); a half shaft (16) is fixedly provided at an eccentric position on the end surface of the turntable (15); a hinge seat (17) is provided on the end surface of the guide rod (9); a swing arm (18) is commonly connected to the hinge seat (17) and the half shaft (16); and a transmission device for synchronously rotating the two turntables (15) is also provided on the installation frame (13).

3. A crusher for gold ore dressing according to claim 2, characterized in that: The transmission device comprises a support seat (19) and a worm (20); the outer side surfaces of the two rotating disks (15) are worm gear structures; the support seat (19) is fixedly provided on the side wall of the mounting frame (13); the support seat (19) is rotatably provided with a worm (20) meshing with the worm gear structure; the two worms (20) are fixedly connected at opposite ends; and the end of any one of the worms (20) extending out of the mounting frame (13) is connected to the output shaft of the motor (21).

4. A crusher for gold ore dressing according to claim 2 or 3, characterized in that: A second return spring (24) is wound around the guide rod (9) between the end surfaces of the coarse screen (7), the fine screen (8) and the inner wall of the crushing box (1).

5. A crusher for gold ore dressing according to claim 1, characterized in that: An installation groove is provided on the end surface of the crushing box (1) corresponding to the coarse screen (7) and the fine screen (8), and a box door (22) is hinged in the installation groove.

6. A crusher for gold ore dressing according to claim 1, characterized in that: Flow guide seats (25) are also provided on the inner walls of the crushing box (1) at both ends of the discharge port (23).

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