Double-geared roller screening crusher

Abstract

The utility model relates to the technical field of double-roller crushers, and discloses a double-tooth-roller screening crusher which comprises a box body, a frame body is fixedly arranged on the upper surface of the box body, a sound insulation cover is arranged on the upper surface of the frame body in a sliding mode, and sealing strips are fixedly arranged on the two sides of the inner wall of the sound insulation cover and slide on the inner wall of the frame body. A through groove is formed in the bottom in the frame body, electric telescopic rods are fixedly arranged on the two sides of the frame body, and the output ends of the electric telescopic rods on the two sides are jointly and fixedly connected with the sound insulation cover. The double-geared roller screening crusher disclosed by the utility model also has the effect of preventing the screening plate from being blocked while screening, and meanwhile, the double-geared roller screening crusher also has the effects of insulating sound, reducing noise and preventing dust from flying in the crushing process.

Description

Technical Field

[0001] The utility model relates to the technical field of double-roller crushers, in particular to a double-toothed roller screening crusher. Background Art

[0002] Double-toothed roller crusher is suitable for crushing brittle and soft materials. It is suitable for crushing brittle materials with medium hardness or below, and is mainly used for medium and fine crushing of ores. When crushing ores, the use of double-toothed roller crusher can greatly improve the crushing efficiency, and screening is required after crushing, so a screening crusher is needed.

[0003] At present, most of the double-toothed roller screening crushers are prone to blockage of the screening plate during screening, which seriously affects the later screening work of the equipment. Therefore, those skilled in the art provide a double-toothed roller screening crusher to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a double-toothed roller screening crusher is proposed. The double-toothed roller screening crusher has the effect of preventing the screening plate from being blocked during screening. At the same time, the double-toothed roller screening crusher also has the effect of sound insulation and noise reduction and preventing dust from flying during the crushing process.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A double-toothed roller screening crusher comprises a box body, a frame body is fixedly arranged on the upper surface of the box body, a sound insulation cover is slidably arranged on the upper surface of the frame body, sealing strips are fixedly arranged on both sides of the inner wall of the sound insulation cover and slide on the inner wall of the frame body, a through groove is opened at the bottom of the frame body, electric telescopic rods are fixedly arranged on both sides of the frame body, and the output ends of the electric telescopic rods on both sides are fixedly connected to the sound insulation cover.

[0007] Through the above technical solution, the sound insulation cover is driven to slide by the electric telescopic rod. With the cooperation of the sealing strip, the sound insulation cover and the frame are tightly closed, which can play a role in sound insulation and noise reduction, and also prevent dust from flying during the crushing process.

[0008] Furthermore, a mounting frame is fixedly provided on the inner wall of the box body at the eaves position near the upper end, a connecting frame is rotatably provided on the inner wall of the mounting frame, a screening cylinder is fixedly connected to the lower end of the connecting frame, a screening plate is fixedly connected to the lower end of the screening cylinder, and a gear ring is fixedly sleeved on the outer wall of the screening cylinder;

[0009] Through the above technical solution, the installation frame and the connecting frame cooperate with each other to limit the position of the screening drum.

[0010] Furthermore, a support frame is fixedly arranged on the inner wall of the box body near the lower end, and a plurality of arc-shaped blocks are fixedly arranged on the upper surface of the support frame at the inner eaves position, and a limit rod is rotatably arranged at the middle position of the inner wall of the support frame, and the upper end of the limit rod is fixedly connected to the screening plate;

[0011] Through the above technical solution, by arranging the arc-shaped blocks, the screening drum can bump up and down during the rotation process, thereby effectively preventing the screening plate from being blocked.

[0012] Furthermore, a plurality of rollers are fixedly arranged on the lower surface of the screening plate at the eaves position, and the plurality of rollers are in contact with the support frame;

[0013] Through the above technical solution, the provision of rollers is more conducive to the rotation of the screening drum.

[0014] Furthermore, a second motor is fixedly arranged on one side of the inner wall of the box, an output end of the second motor is fixedly connected to a long-toothed roller and is rotationally connected between the box, and the long-toothed roller is meshingly connected with the gear ring;

[0015] Through the above technical solution, the second motor can be used to drive the long tooth roller to rotate, and under the cooperation of the gear ring, the screening drum can be made to swing up and down.

[0016] Furthermore, the inner walls of the box and frame are both provided with sound-absorbing felt;

[0017] Through the above technical solution, the sound-absorbing felt can play a role in noise reduction.

[0018] Furthermore, two first motors are fixedly arranged on one side wall of the frame, and the output ends of the two first motors are fixedly connected with gear rollers and are rotationally connected with the inner wall of the frame;

[0019] Through the above technical solution, the first motor is used to drive the gear roller to rotate, so as to perform crushing.

[0020] The utility model has the following beneficial effects:

[0021] 1. Compared with the existing double-toothed roller screening crusher, the double-toothed roller screening crusher proposed by the utility model, when put into use, drives the long-toothed roller to rotate through the second motor, thereby driving the gear ring and the screening drum to rotate. Under the cooperation of the support frame, the arc fast and the roller, the screening drum can vibrate up and down during screening, thereby effectively preventing the screening plate from being blocked.

[0022] 2. Compared with the existing double-toothed roller screening crusher, the double-toothed roller screening crusher proposed by the utility model, when put into use, drives the sound insulation cover through the electric telescopic rod. With the cooperation of the sealing strip, the sound insulation cover and the frame are tightly closed. At the same time, the sound-absorbing felt is used to play the role of sound insulation and noise reduction, and also can prevent dust from flying during crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an axonometric diagram of a double-toothed roller screening crusher proposed in the utility model;

[0024] Figure 2 This is a front cross-sectional view of a double-toothed roller screening crusher proposed by the utility model;

[0025] Figure 3 A top sectional view of a double-toothed roller screening crusher proposed in the utility model;

[0026] Figure 4 This is a partial structural schematic diagram of a double-toothed roller screening crusher proposed by the utility model;

[0027] Figure 5 The utility model is a schematic diagram of a support frame structure of a double-toothed roller screening crusher.

[0028] Legend:

[0029] 1. Box body; 2. Frame body; 3. Sealing strip; 4. Soundproof cover; 5. Sound-absorbing felt; 6. Electric telescopic rod; 7. First motor; 8. Gear roller; 9. Mounting frame; 10. Gear ring; 11. Limit rod; 12. Roller; 13. Second motor; 14. Long tooth roller; 15. Screening cylinder; 16. Screening plate; 17. Connecting frame; 18. Arc block; 19. Support frame; 20. Through slot. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-5The utility model provides an embodiment: a double-toothed roller screening crusher, including a box body 1, a frame body 2 is fixedly arranged on the upper surface of the box body 1, a sound insulation cover 4 is slidably arranged on the upper surface of the frame body 2, sealing strips 3 are fixedly arranged on both sides of the inner wall of the sound insulation cover 4 and slide on the inner wall of the frame body 2, a through groove 20 is opened in the bottom of the frame body 2, electric telescopic rods 6 are fixedly arranged on both sides of the frame body 2, and the output ends of the electric telescopic rods 6 on both sides are fixedly connected with the sound insulation cover 4, and the sound insulation cover 4 is driven to slide by the electric telescopic rods 6. Under the cooperation of the sealing strip 3, the sound insulation cover 4 and the frame body 2 are tightly closed, which can play a role in sound insulation and noise reduction, and can also prevent dust from flying during the crushing process.

[0032] A mounting frame 9 is fixedly provided at the upper end of the inner wall of the box body 1 at the eaves position, a connecting frame 17 is rotatably provided on the inner wall of the mounting frame 9, a screening drum 15 is fixedly connected to the lower end of the connecting frame 17, a screening plate 16 is fixedly connected to the lower end of the screening drum 15, a gear ring 10 is fixedly provided on the outer wall of the screening drum 15, and the mounting frame 9 and the connecting frame 17 cooperate with each other to limit the screening drum 15, a supporting frame 19 is fixedly provided at the lower end of the inner wall of the box body 1, and a plurality of arc blocks 18 are fixedly provided on the upper surface of the supporting frame 19 at the inner eaves position, a limiting rod 11 is rotatably provided at the middle position of the inner wall of the supporting frame 19, and the upper end of the limiting rod 11 is fixedly connected to the screening plate 16, and the arc block 18 is provided so that the screening drum 15 can be bumped up and down during the rotation process, thereby effectively preventing the screening plate 16 from being blocked, and the lower surface of the screening plate 16 is located at the eaves A plurality of rollers 12 are fixedly arranged at the opening position and the plurality of rollers 12 are in contact with the support frame 19. The arrangement of the rollers 12 is more conducive to the rotation of the screening drum 15. A second motor 13 is fixedly arranged on one side of the inner wall of the box body 1. The output end of the second motor 13 is fixedly connected with a long-toothed roller 14 and is rotatably connected with the box body 1. The long-toothed roller 14 is meshingly connected with the gear ring 10. The second motor 13 can drive the long-toothed roller 14 to rotate. With the cooperation of the gear ring 10, the screening drum 15 can be made to swing up and down. The inner walls of the box body 1 and the frame body 2 are both provided with sound-absorbing felt 5, which can reduce noise. Two first motors 7 are fixedly arranged on one side wall of the frame body 2. The output ends of the two first motors 7 are fixedly connected with gear rollers 8 and are rotatably connected with the inner walls of the frame body 2. The gear rollers 8 are driven to rotate by the first motor 7, so as to perform crushing.

[0033] Working principle: When the utility model is in use, first put the object to be crushed into the frame 2, and under the action of the electric telescopic rod 6, the sound insulation cover 4 and the frame 2 are fitted together, and under the cooperation of the sealing strip 3 and the sound-absorbing felt 5, it can play a role in sound insulation and noise reduction, and can prevent dust from flying. The crushing effect can be achieved by the relative rotation between the two gear rollers 8. The crushed residue is passed through the through groove 20 and is screened in the drum 15. Then the second motor 13 is used to drive the long tooth roller 14 to rotate, thereby driving the gear ring 10 and the screening drum 15 to rotate. The roller 12 and the arc block 18 cooperate with each other, so that the screening drum 15 can shake up and down while rotating, thereby effectively preventing the screening plate 16 from being blocked.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-toothed roller screening crusher, comprising a housing (1), characterized in that: A frame (2) is fixedly arranged on the upper surface of the box body (1), a soundproof cover (4) is slidably arranged on the upper surface of the frame (2), sealing strips (3) are fixedly arranged on both sides of the inner wall of the soundproof cover (4) and slide on the inner wall of the frame (2), a through groove (20) is provided at the bottom of the frame (2), electric telescopic rods (6) are fixedly arranged on both sides of the frame (2), and the output ends of the electric telescopic rods (6) on both sides are fixedly connected to the soundproof cover (4).

2. A double-toothed roller screening crusher according to claim 1, characterized in that: A mounting frame (9) is fixedly provided on the inner wall of the box body (1) at the eaves position near the upper end, a connecting frame (17) is rotatably provided on the inner wall of the mounting frame (9), a screening drum (15) is fixedly connected to the lower end of the connecting frame (17), a screening plate (16) is fixedly connected to the lower end of the screening drum (15), and a gear ring (10) is fixedly sleeved on the outer wall of the screening drum (15).

3. A double-toothed roller screening crusher according to claim 1, characterized in that: A support frame (19) is fixedly arranged on the lower end of the inner wall of the box body (1), and a plurality of arc-shaped blocks (18) are fixedly arranged on the upper surface of the support frame (19) at the position of the inner eaves. A limit rod (11) is rotatably arranged at the middle position of the inner wall of the support frame (19), and the upper end of the limit rod (11) is fixedly connected to the screening plate (16).

4. A double-toothed roller screening crusher according to claim 2, characterized in that: A plurality of rollers (12) are fixedly arranged on the lower surface of the screening plate (16) at the eaves position, and the plurality of rollers (12) are in contact with the support frame (19).

5. A double-toothed roller screening crusher according to claim 1, characterized in that: A second motor (13) is fixedly arranged on one side of the inner wall of the box body (1); an output end of the second motor (13) is fixedly connected to a long-toothed roller (14) and is rotationally connected to the box body (1); the long-toothed roller (14) is meshingly connected to the gear ring (10).

6. A double-toothed roller screening crusher according to claim 1, characterized in that: The inner walls of the box body (1) and the frame body (2) are both provided with sound-absorbing felt (5).

7. A double-toothed roller screening crusher according to claim 1, characterized in that: Two first motors (7) are fixedly arranged on one side wall of the frame body (2), and the output ends of the two first motors (7) are fixedly connected to gear rollers (8) and are rotationally connected to the inner wall of the frame body (2).

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