CN220461293U - Multistage vibrating screen - Google Patents

Abstract

The utility model relates to the technical field of screening equipment, in particular to a multistage vibrating screen, which comprises a base, a shell, a discharging pipe, a fixed rod, a screening plate a, a screening plate b, a material guiding plate and an elastic supporting frame b, wherein the base is provided with a plurality of vibrating plates; the sealing cover is connected with the shell; the shell is provided with a vibrator and a dust collection pipe and is connected with the base through a plurality of elastic supporting frames a; the fixed rod is arranged in the shell; the screening plates a and b are distributed side by side and are sleeved on the outer sides of the fixing rods in a sliding manner; a crushing cone is arranged in a screening groove a on the screening plate a; the elastic support frames b are respectively arranged between the screening plate a and the screening plate b and between the screening plate b and the bottom surface of the shell; the material guide plate is arranged below the screening plate b and connected with the inner wall of the shell, the material guide plate is obliquely arranged, and a blanking hole is formed in the material guide plate; the discharging pipe is connected with the discharging hole and extends out of the shell. The utility model has good screening effect on the granular raw materials.

Description

Multistage vibrating screen

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a multi-stage vibrating screen.

Background

In the production and processing process of ceramic tableware, the raw materials have rated requirements on granularity, and the raw materials need to be screened before being used.

The utility model discloses a ceramic raw materials sieving mechanism of multistage vibration screening of publication No. CN110975992A, including feeder hopper and screening mechanism, screening mechanism is located the bottom of feeder hopper, screening mechanism is including screening storehouse, the top surface of screening storehouse with the discharge end of feeder hopper is fixed mutually, the inside of screening storehouse is equipped with first screening board, second screening board and third screening board from top to bottom equidistance one by one, the frame of first screening board, second screening board and third screening board all with the inner wall of screening storehouse is fixed mutually, just the bottom surface of first screening board, second screening board and third screening board all is fixed with vibrating motor, first screening board with the third screening board is kept away from vibrating motor's one end downward sloping, the second screening board is close to vibrating motor's one end downward sloping, the top of first screening board is equipped with the rotation axis, the both ends of rotation axis with the lateral wall in storehouse rotates to be connected, just the surface of rotation axis is fixed with the crushing roller, the crushing roller is located under the radial outside is fixed with the crushing roller, the crushing roller is located the vertical surface is fixed with more than the crushing roller; through the setting of first screening board, second screening board and third screening board for sieving mechanism utilizes the first screening board, second screening board and the third screening board of orientation different direction slope, carries the raw materials of different granularities to different positions.

But all install vibrating motor on the first screening board, second screening board and the third screening board among the above-mentioned sieving mechanism for equipment structure is complicated, and in addition, first screening board, second screening board and third screening board are fixed with screening storehouse inner wall and are screened effectually, even use the spring to cooperate with it, but do not describe how to guarantee the sealed explanation that avoids the raw materials to follow screening board and screening storehouse clearance and not directly whereabouts through screening between screening storehouse inner wall, the screening mechanism that above-mentioned prior art provided can't be effective, quick carries out the screening to ceramic raw materials.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a multi-stage vibrating screen.

The technical scheme of the utility model is as follows: a multistage vibrating screen comprises a base, a shell, a discharging pipe, an elastic support a, a sealing cover, a fixing rod, a screening plate a, a screening plate b, a material guiding plate and an elastic support b;

the sealing cover is detachably connected with the upper end face of the shell, and is provided with a charging hopper; the shell is provided with a vibrator and a dust collection pipe and is connected with the base through a plurality of elastic supporting frames a; the fixed rods are provided with a plurality of fixed rods and are vertically arranged in the shell;

the screening plates a and b are distributed side by side and are sleeved on the outer sides of the fixing rods in a sliding manner; the screening plate b is provided with a screening groove b; a plurality of screening holes b are uniformly formed in the bottom surface of the screening groove b; the screening plate a is provided with a screening groove a; a plurality of crushing cones are uniformly arranged on the bottom surface of the screening groove a; a plurality of screening holes a are formed in the bottom surface of the screening groove a between the crushing cones; the diameter value of the screening hole a is larger than that of the screening hole b;

the elastic support frames b are provided with a plurality of elastic support frames; the elastic support frames b are respectively arranged between the screening plate a and the screening plate b and between the screening plate b and the bottom surface of the shell;

the material guide plate is arranged below the screening plate b and connected with the inner wall of the shell, the material guide plate is obliquely arranged, and a blanking hole is formed in the material guide plate; one end of the discharge pipe is connected with the discharge hole and sealed to extend out of the shell, and the other end of the discharge pipe is provided with an end cover a.

Preferably, the upper end surface of the guide plate is a curved surface.

Preferably, the inner diameter value of the screening groove b gradually decreases toward the bottom surface of the screening groove b in the direction of the center axis thereof.

Preferably, each elastic support frame a comprises a support frame, a slide bar a, a spring a and a fastener;

one end of the sliding rod a is connected with the lower end surface of the shell, and the sliding rod a is connected with the supporting frame in a sliding way;

the spring a is sleeved on the outer side of the sliding rod a, and two ends of the spring a respectively press the support frame and the shell;

the fastener is located on the side of the support frame away from the housing. The fastener is in threaded fit connection with the sliding rod a and compresses the supporting frame.

Preferably, a plurality of sliding rods a are arranged, and the sliding rods a, the springs a and the fasteners are in one-to-one correspondence.

Preferably, each elastic support frame b comprises a support, a spring b, a sleeve and a slide bar b;

the two supports are arranged; one end of the sleeve is connected with a support; one end of the sliding rod b is inserted into the sleeve in a sliding way, the other end of the sliding rod b is connected with the other support, and the two supports, the sleeve and the sliding rod b form a telescopic frame; the telescopic frame is provided with a hollow hole for the fixing rod to penetrate along the middle axis direction;

the spring b is sleeved outside the sleeve and the slide bar b, and two ends of the spring b are respectively connected with the two supports.

Preferably, the screening plate c is further included; the screening plate c is provided with a screening groove c; a plurality of screening holes c are uniformly formed in the bottom surface of the screening groove c; the diameter value of the screening hole c is larger than that of the screening hole a and smaller than that of the screening hole c, and in the use state, the screening plate c is in sliding connection with the fixing rod and is located between the screening plate a and the screening plate b.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:

the multistage vibrating screen provided by the utility model can reduce the use quantity of vibrating motors, and the ceramic powder raw materials are subjected to multiple screening through the screening plate a, the screening plate b and the screening plate c, so that the screening effect is good, the screening efficiency is high, the crushing cone is arranged on the screening plate a, the raw material powder bonded together can be rapidly dispersed under the vibrating action, and the screening efficiency of the ceramic raw material powder is further improved.

The multistage vibrating screen provided by the utility model is convenient to assemble and disassemble, and the types and the number of the screening plates are selected according to the use requirement.

Dust collection and treatment device is connected through a dust collection pipe, so that dust generated in the screening process can be collected, raw material waste is avoided, and dust pollution is avoided.

Drawings

Fig. 1 is a perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a screening plate a, a screening plate b and a screening plate c in cooperation according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of fig. 2 at a partially enlarged scale.

Fig. 4 is a perspective view of the elastic support frame a in fig. 1.

Fig. 5 is a perspective view of the elastic support b of fig. 2.

Reference numerals: 1. a base; 2. a housing; 21. a dust collection pipe; 3. a discharge pipe; 31. an end cap a; 4. an elastic support a; 41. a support frame; 42. a slide bar a; 43. a spring a; 44. a fastener; 5. sealing cover; 6. a hopper; 61. an end cap b; 7. locking; 8. a fixed rod; 9. screening a plate a; 91. crushing cone; 10. a screening plate c; 11. a screening plate b; 12. a material guide plate; 13. an elastic support b; 131. a support; 132. a spring b; 133. a sleeve; 134. and a slide bar b.

Detailed Description

Example 1

As shown in fig. 1-3, the multi-stage vibrating screen provided by the utility model comprises a base 1, a shell 2, a discharge pipe 3, an elastic support frame a4, a sealing cover 5, a fixing rod 8, a screening plate a9, a screening plate b11, a material guiding plate 12 and an elastic support frame b13;

the sealing cover 5 is detachably connected with the upper end face of the shell 2, and a charging hopper 6 is arranged on the sealing cover 5;

in an alternative embodiment, the sealing cover 5 is connected with the shell 2 in a matched manner through the lock catch 7, so that the sealing cover 5 is pressed on the upper end face of the shell 2, and an elastic sealing layer is arranged on the end face of the sealing cover 5 pressed with the shell 2; wherein, a plurality of limit posts are arranged on the end face of the sealing cover 5; the upper end face of the shell 2 is provided with a blind hole; the limit posts are in one-to-one correspondence with the blind holes, and the limit posts are inserted into the blind holes in a sliding manner to form a positioning structure;

the shell 2 is provided with a vibrator and a dust collection pipe 21; the vibrator is an existing vibration motor; the dust collection pipe 21 is communicated with an existing dust collection and treatment device so as to collect dust generated by screening raw materials;

the shell 2 is connected with the base 1 through a plurality of elastic supporting frames a 4; the fixing rods 8 are provided with a plurality of fixing rods and are vertically arranged in the shell 2, and the fixing rods 8 are uniformly distributed circumferentially by taking the central axis of the shell 2 as the center;

the screening plates a9 and b11 are distributed side by side and are all sleeved on the outer sides of the fixing rods 8 in a sliding manner; the screening plate b11 is provided with a screening groove b; a plurality of screening holes b are uniformly formed in the bottom surface of the screening groove b;

the screening plate a9 is provided with a screening groove a; a plurality of crushing cones 91 are uniformly arranged on the bottom surface of the screening groove a; a plurality of screening holes a are arranged on the bottom surface of the screening groove a between the crushing cones 91; the crushing cone 91 is of a conical structure with one end being a round surface and the other end being a conical shape, and the outer peripheral surface of the crushing cone 91 is provided with crushing blades to improve the effect of crushing the bonded raw materials;

the diameter value of the screening hole a is larger than that of the screening hole b;

in an alternative embodiment, the structures of the screening plate a9 and the screening plate b11 are selected to be the same, but the diameter values of the screening holes are different, and the outer sides of the screening plate a9 and the screening plate b11 are provided with mounting blocks; the mounting block is provided with a through hole for the fixing rod 8 to penetrate through;

the elastic support frames b13 are provided with a plurality of elastic support frames; the elastic support frames b13 are respectively sleeved outside the fixing rods 8 in a sliding manner, and the elastic support frames b13 are respectively positioned between the screening plate a9 and the screening plate b11 and between the screening plate b11 and the bottom surface of the shell 2;

the material guide plate 12 is positioned below the screening plate b11 and connected with the inner wall of the shell 2, the material guide plate 12 is obliquely arranged, and a blanking hole is formed in the material guide plate 12; one end of the discharge pipe 3 is connected with the discharge hole and extends out of the shell 2 in a sealing way, and the other end of the discharge pipe 3 is provided with an end cover a.

Before use, a plurality of elastic support frames b13 are sleeved outside the plurality of fixing rods 8 in a sliding manner, and a screening plate b11 is sleeved outside the plurality of fixing rods 8 in a sliding manner and compresses the plurality of elastic support frames b13; the plurality of elastic support frames b13 are sleeved outside the plurality of fixing rods 8, the plurality of elastic support frames b13 are arranged on the upper side of the screening plate b11, and the screening plate a9 is sleeved outside the plurality of fixing rods 8 and tightly presses the plurality of elastic support frames b13 on the upper side of the screening plate b 11; wherein, at this time, a limiting block can be matched and installed on the fixed rod 8, and the current screening plate a9 slides upwards on the fixed rod 8; install sealed lid 5 on shell 2, pour the raw materials into the raw materials whereabouts from loading hopper 6 on screening board a9, start the vibrator and drive shell 2 and vibrate, the raw materials of bonding on the screening board a9 in the vibration process scatter and fall on screening board b11 under the effect of broken awl 91, the raw materials that finally falls from screening board b11 falls to discharging pipe 3 from stock guide 12, opens end cover a and can collect required raw materials.

Example two

As shown in fig. 2, in the multi-stage vibrating screen according to the present utility model, compared with the first embodiment, the upper end surface of the material guiding plate 12 is curved to avoid the material falling onto the material guiding plate 12 from separating from the material guiding plate 12;

the inner diameter value of the screening groove b gradually decreases towards the bottom surface of the screening groove b along the middle axis direction, so that the screening holes b on the bottom surface of the screening groove b are all located above the curved surface of the material guide plate 12;

a collecting pipe is arranged on the bottom surface of the shell 2; the lower extreme screw-thread fit of collecting pipe is equipped with end cover c, and the bottom surface of shell 2 sets up towards the collecting pipe slope to the keeping away from that drops in shell 2 is collected from the collecting pipe department.

Example III

As shown in fig. 4, in the multi-stage vibrating screen according to the present utility model, compared with the first embodiment, each elastic supporting frame a4 includes a supporting frame 41, a sliding rod a42, a spring a43 and a fastening member 44;

one end of a slide bar a42 is connected with the lower end surface of the shell 2, and the slide bar a42 is connected with the support frame 41 in a sliding manner; the projection shape of the support 41 is selected from, but not limited to, U-shape or cylindrical structure of the support 41, and an opening is provided on the side end face of the support 41 of the cylindrical structure;

in an alternative embodiment, a plurality of slide bars a42 are provided, and the slide bars a42, the springs a43 and the fasteners 44 are in one-to-one correspondence; the sliding rods a42 are uniformly distributed in a side-by-side or circumferential manner;

the spring a43 is sleeved outside the slide bar a42, and two ends of the spring a43 respectively press the support frame 41 and the shell 2, namely, two ends of the connecting spring a43 are respectively connected with the support frame 41 and the shell 2;

the fastening piece 44 is positioned on the side of the support frame 41 away from the shell 2, and the fastening piece 44 is in threaded fit with the slide rod a42 and presses the support frame 41.

Example IV

As shown in fig. 5, in the multi-stage vibrating screen according to the present utility model, compared with the first embodiment, each elastic supporting frame b13 includes a supporting seat 131, a spring b132, a sleeve 133 and a sliding rod b134;

the support 131 is provided with two; one end of the sleeve 133 is connected with a support 131; one end of the slide bar b134 is inserted into the sleeve 133 in a sliding way, the other end of the slide bar b134 is connected with the other support 131, and the two supports 131, the sleeve 133 and the slide bar b134 form a telescopic frame; the telescopic frame is provided with a hollow hole for the fixing rod 8 to penetrate along the middle axis direction; namely, through holes are formed on the support 131, the slide bar b134 and the sleeve 133, and the projection shape of the support 131 is selected from but not limited to circular ring shape;

the spring b132 is sleeved outside the sleeve 133 and the slide bar b134, and two ends of the spring b132 are respectively connected with the two supports 131.

Example five

As shown in fig. 2, the multi-stage vibrating screen according to the present utility model further includes a screening plate c10 in comparison with the first embodiment; the screening plate c10 is provided with a screening groove c; a plurality of screening holes c are uniformly formed in the bottom surface of the screening groove c; the diameter value of the screening hole c is larger than that of the screening hole a and smaller than that of the screening hole c, in a use state, the screening plate c10 is in sliding connection with the fixed rod 8, the screening plate c10 is positioned between the screening plate a9 and the screening plate b11, a plurality of elastic support frames b13 are arranged on two sides of the screening plate c10, and the elastic support frames b13 are sleeved on the outer side of the fixed rod 8; the structure of the screening plate c10 is similar to the screening plate a9 except that the screening hole size is different;

when multiple screening of the raw materials is required, a screening plate c10 is required to be selected; wherein, the screening plates c10 can be a plurality of, and the diameters of the screening holes c of the screening plates c10 are gradually reduced when the screening plates c10 are distributed along the height direction of the fixed rod 8;

when in installation, the screening plate b11 is sleeved outside the fixing rods 8 in a sliding way and presses the elastic supporting frames b13; then a plurality of elastic support frames b13 are sleeved outside the plurality of fixing rods 8, the plurality of elastic support frames b13 are arranged on the upper side of the screening plate b11,

the screening plates c10 are sleeved outside the fixing rods 8 and are pressed against the elastic supporting frames b13 on the upper sides of the screening plates b11, and the number of the screening plates c10 is selected according to the requirement; a plurality of elastic supporting frames b13 are also arranged between two adjacent screening plates c10;

the plurality of elastic support frames b13 are sleeved outside the plurality of fixing rods 8 to compress the screening plate c10, and the screening plate a9 is sleeved outside the plurality of fixing rods 8 to compress the plurality of elastic support frames b13 on the upper side of the screening plate c 10.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (7)

1. The multistage vibrating screen is characterized by comprising a base (1), a shell (2), a discharge pipe (3), an elastic support a (4), a sealing cover (5), a fixing rod (8), a screening plate a (9), a screening plate b (11), a material guide plate (12) and an elastic support b (13);

the shell (2) is provided with a vibrator and a dust collection pipe (21), and the shell (2) is connected with the base (1) through a plurality of elastic supporting frames a (4); the fixed rods (8) are provided with a plurality of fixed rods and are vertically arranged in the shell (2);

the screening plates a (9) and the screening plates b (11) are distributed side by side and are sleeved on the outer sides of the fixing rods (8) in a sliding manner; the screening plate b (11) is provided with a screening groove b; a plurality of screening holes b are uniformly formed in the bottom surface of the screening groove b; a screening groove a is arranged on the screening plate a (9); a plurality of crushing cones (91) are uniformly arranged on the bottom surface of the screening groove a; a plurality of screening holes a are arranged on the bottom surface of the screening groove a between the crushing cones (91); the diameter value of the screening hole a is larger than that of the screening hole b;

the elastic support frames b (13) are provided with a plurality of elastic support frames; the elastic support frames b (13) are respectively sleeved outside the fixing rods (8) in a sliding manner, and the elastic support frames b (13) are respectively positioned between the screening plate a (9) and the screening plate b (11) and between the screening plate b (11) and the bottom surface of the shell (2);

the material guide plate (12) is positioned below the screening plate b (11) and connected with the inner wall of the shell (2), the material guide plate (12) is obliquely arranged, and a blanking hole is formed in the material guide plate (12); one end of the discharge pipe (3) is connected with the discharge hole and hermetically extends out of the shell (2), and the other end of the discharge pipe (3) is provided with an end cover a.

2. A multi-stage vibrating screen according to claim 1, characterized in that the upper end surface of the guide plate (12) is curved.

3. A multi-stage vibration sieve according to claim 2, wherein the inner diameter of the screening groove b gradually decreases in the direction of its central axis toward the bottom surface of the screening groove b.

4. A multi-stage vibrating screen according to claim 1, characterized in that each elastic support frame a (4) comprises a support frame (41), a slide bar a (42), a spring a (43) and a fastener (44);

one end of a slide bar a (42) is connected with the lower end surface of the shell (2), and the slide bar a (42) is connected with the supporting frame (41) in a sliding way;

the spring a (43) is sleeved on the outer side of the sliding rod a (42), and two ends of the spring a (43) respectively press the supporting frame (41) and the shell (2);

the fastener (44) is positioned on one side of the support frame (41) away from the shell (2); the fastener (44) is in threaded fit connection with the slide rod a (42) and presses the support frame (41).

5. The multi-stage vibrating screen according to claim 4, wherein a plurality of slide bars a (42) are provided, and the slide bars a (42), the springs a (43) and the fasteners (44) are in one-to-one correspondence.

6. A multi-stage vibrating screen according to claim 1, characterized in that each elastic support frame b (13) comprises a support (131), a spring b (132), a sleeve (133) and a slide bar b (134);

the support (131) is provided with two supports; one end of the sleeve (133) is connected with a support (131); one end of a sliding rod b (134) is inserted into the sleeve (133) in a sliding way, the other end of the sliding rod b (134) is connected with the other support (131), and the two supports (131), the sleeve (133) and the sliding rod b (134) form a telescopic frame; the telescopic frame is provided with a hollow hole for the penetration of a fixed rod (8) along the middle axis direction;

the spring b (132) is sleeved outside the sleeve (133) and the slide bar b (134), and two ends of the spring b (132) are respectively connected with the two supports (131).

7. A multi-stage vibrating screen according to claim 1, further comprising screening plate c (10); the screening plate c (10) is provided with a screening groove c; a plurality of screening holes c are uniformly formed in the bottom surface of the screening groove c; the diameter value of the screening hole c is larger than that of the screening hole a and smaller than that of the screening hole c, and in a use state, the screening plate c (10) is in sliding connection with the fixing rod (8), and the screening plate c (10) is located between the screening plate a (9) and the screening plate b (11).