CN210935811U

CN210935811U - Grading vibrating screen

Info

Publication number: CN210935811U
Application number: CN201920984617.XU
Authority: CN
Inventors: 张尚银; 张金勇; 荆树新
Original assignee: Xinxiang Yinxing Mechanical Equipment Co ltd
Current assignee: Xinxiang Yinxing Mechanical Equipment Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-07-07
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a grading vibrating screen, which comprises a frame, wherein a feed hopper is arranged at the upper part of the frame, a screening device is arranged below the feed hopper, the screening device comprises a screen frame, a screen, a vibrator, a sealing cylinder, a motor and a discharge port, a fixed rotating shaft is arranged at the center of the screen frame, a plurality of layers of screen meshes are arranged on the screen frame, and the inside of the screen mesh is of a conical structure with a high middle part and low periphery; a sealing cylinder is arranged on the outer side of the screen frame and is fixed on the frame through bolts and nuts; the grading vibration sieve realizes the function of sieving dry raw materials and the sieving of aquatic products and other water-containing raw materials through the round sieve frame, the sieve screen and the sealing cylinder; this hierarchical screening plant has realized the rotation and the top screening to the raw materials through the vibrator that sets up, has not only improved vibration and screening effect, has improved screening efficiency, makes the structure simplify moreover, and the volume is littleer, and it is more convenient to use.

Description

Grading vibrating screen

Technical Field

The utility model relates to a hierarchical shale shaker field specifically is a hierarchical shale shaker.

Background

The vibrating screen operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. And the curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers.

The existing grading vibration sieve can only sieve dry raw materials, and can not well sieve water-carrying raw materials, particularly aquatic products such as fish, shrimp, shellfish and the like, so that the function of the common grading vibration sieve is limited; meanwhile, the existing grading vibrating screen is complex in structure, large in size and inconvenient in screen replacement, so that the new grading vibrating screen becomes a requirement of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hierarchical shale shaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a grading vibrating screen comprises a frame, wherein a feed hopper is arranged at the upper part of the frame, a screening device is arranged below the feed hopper and comprises a screen frame, a screen, a vibrator, a sealing cylinder, a motor and a discharge hole, a fixed rotating shaft is arranged at the center of the screen frame, a plurality of layers of screen meshes are arranged on the screen frame, and the inside of each screen mesh is of a conical structure with a high middle part and low periphery; a sealing cylinder is arranged on the outer side of the screen frame and is fixed on the frame through bolts and nuts; the outer side of the sealing cylinder and the corresponding position of each layer of screen mesh are respectively provided with a discharge hole; a fixed seat is arranged below the sieve frame, a vibrator is arranged at the lower end of the fixed rotary drum and comprises a fixed rotary drum, an active rotary head, a stirring head, stirring teeth, a spring and a fixed sleeve, the lower end of the fixed rotary drum is provided with the fixed rotary drum, the stirring teeth are arranged in the fixed rotary drum, a motor is arranged below the fixed rotary drum and is vertically fixed on the fixed seat, the upper end of the motor is provided with the active rotary head matched with the fixed rotary drum, the active rotary head is welded on the rotary shaft of the motor, and the stirring head matched with the stirring teeth is arranged on the outer side of the active rotary head; a fixed sleeve is arranged on the outer side of the fixed rotary drum, a mounting hole corresponding to the fixed sleeve is formed in the fixed seat, a bearing is arranged in the mounting hole, and the fixed sleeve is welded in the bearing hole; the spring is arranged in the fixed sleeve and sleeved outside the fixed rotary drum.

As a further aspect of the present invention: the feed hopper is fixed on the frame through bolts and nuts; the screen frame is of a stainless steel frame structure; the center of the screen is fixed on the screen frame through bolts and nuts; the mesh openings of the screen mesh are reduced from top to bottom in sequence.

As a further aspect of the present invention: the lowermost layer of the sieve frame is a sealing plate, and the sealing plate is made of rubber and plastic; the sieve frame and the sieve mesh are both circular; the inner diameter of the sealing cylinder is equal to the diameter of the screen mesh; the discharge gate is the rectangle with the screen cloth equal height, and discharge gate department is provided with the discharge door.

As a further aspect of the present invention: the fixing seat is made of stainless steel, is of a frame structure and is fixed on the rack through bolts and nuts; the fixed rotary drum is of a cylindrical structure with the upper surface sealed and the lower surface opened; the poking teeth and the fixed rotating shaft are of an integrally formed structure, and the fixed teeth are of a spiral structure; the toggle head is of a spiral structure.

As a further aspect of the present invention: the upper end of the spring is welded in the fixed sleeve, and the lower end of the spring is welded on the fixed rotary drum.

Compared with the prior art, the beneficial effects of the utility model are that: the grading vibration sieve realizes the function of sieving dry raw materials and the sieving of aquatic products and other water-containing raw materials through the round sieve frame, the sieve screen and the sealing cylinder; this hierarchical screening plant has realized the rotation and the top screening to the raw materials through the vibrator that sets up, has not only improved vibration and screening effect, has improved screening efficiency, makes the structure simplify moreover, and the volume is littleer, and it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of a classifying vibrating screen.

Fig. 2 is a schematic structural view of a discharge port in a classification vibrating screen.

Fig. 3 is a schematic structural view of a discharge hopper in a classification vibration screen.

Fig. 4 is a schematic structural view of a screening device in a classification vibration screen.

Fig. 5 is a schematic view showing a structure of a vibrator in a classifying vibration screen.

In the figure: the device comprises a frame 1, a screening device 2, a screen 3, a screen frame 4, a motor 5, a feed hopper 6, a discharge port 7, a sealing cylinder 8, a fixed rotating shaft 9, a discharge hopper 10, a fixed seat 11, a vibrator 12, a driving rotary head 13, a fixed rotary cylinder 14, a stirring head 15, stirring teeth 16, a spring 17 and a fixed sleeve 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a graded vibrating screen includes a frame 1, a feeding hopper 6 is disposed at an upper portion of the frame 1, the feeding hopper 6 is fixed on the frame 1 through bolts and nuts, and the feeding hopper 6 is used for facilitating feeding; a screening device 2 is arranged below the feed hopper 6, the screening device 2 comprises a screen frame 4, a screen 3, a vibrator 12, a sealing cylinder 8, a motor 5 and a discharge hole 7, the screen frame 4 is of a stainless steel frame structure, a fixed rotating shaft 9 is arranged in the center of the screen frame 4, a plurality of layers of screen 3 are arranged on the screen frame 4, the inside of the screen 3 is of a conical structure with a high middle part and low periphery, and the purpose of the arrangement is to seal and conveniently discharge raw materials; the center of the screen 3 is fixed on the screen frame 4 through bolts and nuts; the mesh openings of the screen meshes 3 are sequentially reduced from top to bottom, so that the purpose of the arrangement is to enable the raw materials with larger size to be left on the upper screen mesh 3 and the raw materials with smaller size to be left on the lower screen mesh 3, and thus the screening function of the raw materials is realized; the lowermost layer of the sieve frame 4 is a sealing plate, the sealing plate is made of rubber and plastic, and the sealing plate is used for sealing the bottom of the sieve frame 4 and preventing water from flowing out of the lower part; the sieve frame 4 and the sieve screen 3 are both circular, so that the purpose of the arrangement is to conveniently realize rotary vibration sieving of raw materials, enhance the sieving effect and improve the sieving efficiency; a sealing cylinder 8 is arranged on the outer side of the sieve frame 4, and the sealing cylinder 8 is fixed on the frame 1 through bolts and nuts; the inner diameter of the sealing cylinder 8 is equal to the diameter of the screen mesh 3, and the sealing cylinder 8 is arranged to block the raw materials and prevent the raw materials from falling into the lower screen mesh 3 through the edge of the screen mesh 3; the outer side of the sealing cylinder 8 and the corresponding position of each layer of screen 3 are respectively provided with a discharge port 7, the discharge port 7 is a rectangle with the same height as the screen 3, and the discharge port 7 is used for facilitating blanking; a discharge door is arranged at the discharge port 7, and a discharge hopper 10 is arranged below the discharge port 7; the discharging hopper 10 is used for discharging materials;

referring to fig. 1, 4 and 5, in an embodiment of the present invention, a fixing seat 11 is disposed below the screen frame 4, the fixing seat 11 is made of stainless steel, the fixing seat 11 is a frame structure, and the fixing seat 11 is fixed on the frame 1 through bolts and nuts; the lower end of the fixed rotary drum 14 is provided with a vibrator 12, the vibrator 12 comprises a fixed rotary drum 14, a driving rotary head 13, a toggle head 15, toggle teeth 16, a spring 17 and a fixed sleeve 18, the lower end of the fixed rotary shaft 9 is provided with the fixed rotary drum 14, the fixed rotary drum 14 is of a cylindrical structure with the upper surface sealed and the lower surface opened, the toggle teeth 16 are arranged in the fixed rotary drum 14, the toggle teeth 16 and the fixed rotary shaft 9 are of an integrally formed structure, and the fixed teeth are of a spiral structure; the motor 5 is arranged below the fixed rotary drum 14, the motor 5 is vertically fixed on the fixed seat 11, the upper end of the motor 5 is provided with an active rotary head 13 matched with the fixed rotary drum 14, the active rotary head 13 is welded on a rotary shaft of the motor 5, the outer side of the active rotary head 13 is provided with a toggle head 15 matched with a toggle tooth 16, and the toggle head 15 is of a spiral structure; the toggle head 15 and the toggle teeth 16 are used for rotating in a matched manner to realize the circular vibration of the fixed rotary drum 14; a fixed sleeve 18 is arranged on the outer side of the fixed rotary drum 14, a mounting hole corresponding to the fixed sleeve 18 is formed in the fixed seat 11, a bearing is arranged in the mounting hole, and the fixed sleeve 18 is welded in the bearing hole; a spring 17 is arranged in the fixed sleeve 18, the spring 17 is sleeved outside the fixed rotary drum 14, the upper end of the spring 17 is welded in the fixed sleeve 18, and the lower end of the spring 17 is welded on the fixed rotary drum 14; the spring 17 is fixed and used for overturning the screen frame 4, so that the screen 3 is circularly rotated and screened; the vibrator 12 is used for realizing vibration on the screen 3, thereby realizing screening of raw materials.

When using, pour the raw materials that need the screening into feeder hopper 6, then drive through the rotation of motor 5 and initiatively turn round 13 and rotate, initiatively turn round 13 and rotate and drive stir head 15 and stir the tooth 16 of stirring in the fixed rotary drum 14, stir tooth 16 and rotate, when driving fixed rotary drum 14 pivoted, realize top and bottom pitch, when fixed rotary drum 14 pivoted, rebound is to fixed rotary drum 14 upset and buffering that resets through spring 17.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The grading vibrating screen comprises a rack (1) and is characterized in that a feed hopper (6) is arranged at the upper part of the rack (1), a screening device (2) is arranged below the feed hopper (6), the screening device (2) comprises a screen frame (4), a screen (3), a vibrator (12), a sealing cylinder (8), a motor (5) and a discharge hole (7), a fixed rotating shaft (9) is arranged at the center of the screen frame (4), multiple layers of screen meshes (3) are arranged on the screen frame (4), and the inside of each screen mesh (3) is of a conical structure with a high middle part and a low periphery; a sealing cylinder (8) is arranged on the outer side of the screen frame (4), and the sealing cylinder (8) is fixed on the frame (1) through bolts and nuts; the outer side of the sealing cylinder (8) and the corresponding position of each layer of screen (3) are respectively provided with a discharge hole (7); a fixed seat (11) is arranged below the sieve frame (4), a vibrator (12) is arranged at the lower end of the fixed rotary drum (14), the vibrator (12) comprises the fixed rotary drum (14), a driving rotary head (13), a stirring head (15), stirring teeth (16), a spring (17) and a fixed sleeve (18), the fixed rotary drum (14) is arranged at the lower end of the fixed rotary shaft (9), the stirring teeth (16) are arranged in the fixed rotary drum (14), a motor (5) is arranged below the fixed rotary drum (14), the motor (5) is vertically fixed on the fixed seat (11), the driving rotary head (13) matched with the fixed rotary drum (14) is arranged at the upper end of the motor (5), the driving rotary head (13) is welded on the rotary shaft of the motor (5), and the stirring head (15) matched with the stirring teeth (16) is arranged on the outer side of the driving rotary head (13); a fixed sleeve (18) is arranged on the outer side of the fixed rotary drum (14), a mounting hole corresponding to the fixed sleeve (18) is formed in the fixed seat (11), a bearing is arranged in the mounting hole, and the fixed sleeve (18) is welded in the bearing hole; a spring (17) is arranged in the fixed sleeve (18), and the spring (17) is sleeved outside the fixed rotary drum (14).

2. A sizing shaker as claimed in claim 1, characterised in that said feed hopper (6) is fixed to the frame (1) by means of bolts and nuts; the sieve frame (4) is of a stainless steel frame structure; the center of the screen (3) is fixed on the screen frame (4) through bolts and nuts; the mesh openings of the screen mesh (3) are sequentially reduced from top to bottom.

3. A graded shaker as claimed in claim 1, characterised in that the lowermost layer of the frame (4) is a sealing plate of rubber or plastics material; the sieve frame (4) and the sieve mesh (3) are both circular; the inner diameter of the sealing cylinder (8) is equal to the diameter of the screen (3); the discharge port (7) is a rectangle with the same height as the screen (3), and a discharge door is arranged at the discharge port (7).

4. The grading vibrating screen according to claim 1, wherein the fixing seat (11) is made of stainless steel, the fixing seat (11) is of a frame structure, and the fixing seat (11) is fixed on the frame (1) through bolts and nuts; the fixed rotary drum (14) is of a cylindrical structure with a sealed upper surface and an opened lower surface; the poking teeth (16) and the fixed rotating shaft (9) are of an integrally formed structure, and the fixed teeth are of a spiral structure; the toggle head (15) is of a spiral structure.

5. A sizing shaker as claimed in claim 1, characterised in that the upper end of said spring (17) is welded inside a fixed sleeve (18) and the lower end of the spring (17) is welded on the fixed drum (14).