CN212759638U

CN212759638U - Fishing net sieve with variable vibration frequency

Info

Publication number: CN212759638U
Application number: CN202021539506.7U
Authority: CN
Inventors: 姜伟; 李寿海; 袁军东; 谢军
Original assignee: Huanglong Crushing Conveyor Manufacturing Co ltd
Current assignee: Huanglong Crushing Conveyor Manufacturing Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-23
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a variable vibration frequency's fishing net sieve, fixed reel pass through rubber spring inclined mounting in the support frame, and the activity reel is connected with fixed reel through hanging the subassembly, and inverter motor passes through crank link assembly and is connected with activity reel drive. The suspension assembly comprises an upper supporting seat, a first connecting rod and a lower supporting seat, the upper supporting seat is installed on the fixed sieve frame, the lower supporting seat is installed on the movable sieve frame, an upper bearing seat is configured at the first end of the first connecting rod, a lower bearing seat is configured at the second end of the first connecting rod, the first connecting rod is rotatably connected with the fixed sieve frame through a bearing in the upper bearing seat, and the first connecting rod is rotatably connected with the movable sieve frame through a bearing in the lower bearing seat. The utility model discloses can be to different materials and sieve accommodate motor frequency to improve whole device's screening efficiency, connected activity reel and fixed reel with class joint bearing's the subassembly that hangs, convenient and practical.

Description

Fishing net sieve with variable vibration frequency

Technical Field

The utility model relates to a screening machine equipment technical field particularly, relates to a variable vibration frequency's fishing net sieve.

Background

The screening machine is widely applied in industry, the general structural design of the screening machine developed to date tends to be perfect, a movable screen frame and a fixed screen frame are generally arranged, and the movable screen frame is pushed to move according to a certain frequency, so that a screen plate fixed on the movable screen frame and the fixed screen frame is relaxed and bent, and the screening of materials is realized; in the prior art, the movable screen frame is usually connected to the fixed screen frame by adopting an elastic material, and the manufacturing and processing technology of the material is monopolized abroad for a long time, so that a novel suspension device for the movable screen frame and the fixed screen frame is necessary to design.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model aims to provide a variable vibration frequency's fishing net sieve, but the device variable frequency just has abandoned traditional elastic material mode of hanging.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a variable vibration frequency's fishing net sieve, includes support frame, activity reel, fixed reel, inverter motor, crank link assembly and suspension assembly, fixed reel passes through rubber spring slope and installs in the support frame, the activity reel passes through suspension assembly with fixed reel is connected, inverter motor passes through crank link assembly with the drive of activity reel is connected. The suspension assembly comprises an upper supporting seat, a first connecting rod and a lower supporting seat, the upper supporting seat is mounted on the fixed sieve frame, the lower supporting seat is mounted on the movable sieve frame, an upper bearing seat is arranged at the first end of the first connecting rod, a lower bearing seat is arranged at the second end of the first connecting rod, the first connecting rod is rotatably connected with the fixed sieve frame through a bearing in the upper bearing seat, and the first connecting rod is rotatably connected with the movable sieve frame through a bearing in the lower bearing seat.

Furthermore, an eccentric shaft is rotatably mounted at the upper end of the fixed screen frame, a belt pulley is arranged at the first end of the eccentric shaft, the variable frequency motor is in transmission connection with the belt pulley through a triangle belt, and the eccentric shaft is connected with the movable screen frame through the crank connecting rod assembly.

Furthermore, an upper supporting rod is arranged on the upper supporting seat, a lower supporting rod is arranged on the lower supporting seat, and the axis of the upper supporting rod is parallel to the axis of the lower supporting rod. The upper bearing seat is arranged on the upper support rod, and the lower bearing seat is arranged on the lower support rod.

Further, the first connecting rod is in threaded connection with the upper bearing seat and the lower bearing seat.

Further, a second end of the eccentric shaft is provided with a counterbalance flywheel.

Furthermore, a dust cover is mounted on the fixed screen frame, and a feed inlet is arranged at a position, close to the eccentric shaft, on the dust cover.

Further, the fishing mesh screen still includes the sieve, dispose the first sieve roof beam of a plurality of on the fixed reel, dispose a plurality of second sieve roof beam on the activity reel, first sieve roof beam with second sieve roof beam is in turn distributed. The sieve plate is distributed between the adjacent first sieve beam and the second sieve beam, the first end of the sieve plate is fixed on the first sieve beam, and the second end of the sieve plate is fixed on the second sieve beam.

Further, a steel spring is arranged between the upper end of the fixed screen frame and the upper end of the supporting frame.

The utility model has the advantages that:

(1) the utility model discloses a hang subassembly simple structure can satisfy the motion requirement of equipment during operation activity reel for fixed reel well, and is with low costs, and stability is good.

(2) The utility model discloses a first connecting rod passes through threaded connection rather than the bolster bearing housing and the step at both ends, can realize the regulation of hanging subassembly length through the spiral length who adjusts first connecting rod and bearing frame, and then adjusts the clearance of activity reel and fixed reel, makes it satisfy the actual production needs better.

(3) The utility model discloses a variable frequency motor drives, can change the spring degree of sieve in the course of the work, can adapt to the screening of different materials, also can adapt to the sieve of different characteristics, is favorable to the extension of sieve life-span for the screening effect is in the optimum.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a first three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of the screen panel of fig. 1 with a portion removed;

fig. 3 is a schematic front view of the suspension assembly of the present invention;

FIG. 4 is a right side view of FIG. 3;

fig. 5 is a schematic top view of the dust cover of the present invention;

FIG. 6 is a cross-sectional view of section A-A of FIG. 5;

fig. 7 is the structure schematic diagram of the utility model discloses the right side after the installation dust cover.

Icon:

1-rubber spring, 2-suspension component, 201-upper supporting seat, 202-first connecting rod, 2021-upper bearing seat, 2022-lower bearing seat, 203-lower supporting seat, 204-upper supporting rod, 205-lower supporting rod, 3-supporting frame, 4-variable frequency motor, 5-V belt, 6-movable sieve frame, 7-belt pulley, 8-crank connecting rod component, 9-fixed sieve frame, 10-eccentric shaft, 11-counterweight flywheel, 12-sieve plate, 13-first sieve beam, 14-second sieve beam, 15-steel spring, 16-feeding hole, 17-dust cover, 18-upper sieve material outlet, 19-lower sieve material outlet, 20-baffle, 21-observation window, 22-lower material box and 23-upper material box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the directions or positional relationships indicated by the terms "inside" and "outside" are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be interpreted as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, a variable vibration frequency fishing net sieve comprises a support frame 3, a movable sieve frame 6, a fixed sieve frame 9, a variable frequency motor 4, a crank connecting rod assembly 8 and a suspension assembly 2, wherein the fixed sieve frame 9 is obliquely installed on the support frame 3 through a rubber spring 1, the movable sieve frame 6 is connected with the fixed sieve frame 9 through the suspension assembly 2, the variable frequency motor 4 is in driving connection with the movable sieve frame 6 through the crank connecting rod assembly 8 as shown in fig. 1, the support frame 3 is arranged on the ground, the fixed sieve frame 9 is fixed on the support frame 3 through the rubber spring 1 and forms a certain angle with the ground, and the oblique design is favorable for sieving materials and discharging materials on the sieve. The quantity and the size of the rubber springs 1 can be adjusted according to actual needs, so that the vibration isolation amplitude in the vertical direction is adjusted, and a double-amplitude effect is achieved. As shown in fig. 3 and 4, preferably, the suspension assembly 2 includes an upper support base 201, a first link 202, and a lower support base 203, the upper support base 201 is mounted on the fixed screen frame 9, the lower support base 203 is mounted on the movable screen frame 6, the upper support base 201 is provided with an upper support rod 204, the lower support base 203 is provided with a lower support rod 205, and an axis of the upper support rod 204 is parallel to an axis of the lower support rod 205. As shown in fig. 4, the first end of the first connecting rod 202 is connected with the upper bearing seat 2021 in a threaded manner, and the second end of the first connecting rod 202 is connected with the lower bearing seat 2022 in a threaded manner, so that the length of the threaded connection between the first connecting rod 202 and the upper bearing seat 2021 and the length of the threaded connection between the first connecting rod 202 and the lower bearing seat 2022 are adjustable, and further, the gap between the movable screen frame 6 and the fixed screen frame 9 is adjusted to meet the actual processing requirement. The first connecting rod 202 is rotatably connected to the fixed frame 9 through a bearing in the upper bearing housing 2021, and the first connecting rod 202 is rotatably connected to the movable frame 6 through a bearing in the lower bearing housing 2022, wherein the bearing in the upper bearing housing 2021 is mounted on the upper support rod 204, and the bearing in the lower bearing housing 2022 is mounted on the lower support rod 205. The bearing can be a deep groove ball bearing.

Preferably, the upper end of the fixed screen frame 9 is rotatably provided with an eccentric shaft 10, the first end of the eccentric shaft 10 is provided with a belt pulley 7, the variable frequency motor 4 is in transmission connection with the belt pulley 7 through a triangle belt 5, and the eccentric shaft 10 is connected with the movable screen frame 6 through a crank connecting rod assembly 8. As shown in fig. 1 and 7, an eccentric shaft bearing seat is fixedly installed at the upper end of the fixed screen frame 9 by a bolt, and an eccentric shaft 10 is installed on the eccentric shaft bearing seat. Preferably, the crank-link assembly 8 is a second link, the first end of which is rotatably connected to the eccentric shaft 10 and the second end of which is rotatably connected to the movable screen frame 6. Specifically, the variable frequency motor 4 drives the belt pulley 7 through the triangle belt 5 to further drive the eccentric shaft 10 to rotate, and at the moment, the eccentric shaft 10 drives the crank connecting rod assembly 8 to enable the movable screen frame 6 to start to move. As shown in fig. 1 and 2, preferably, the fishing net further comprises a sieve plate 12, a plurality of first sieve beams 13 are arranged on the fixed sieve frame 9, a plurality of second sieve beams 14 are arranged on the movable sieve frame 6, and the first sieve beams 13 and the second sieve beams 14 are alternately distributed. The screen plates 12 are distributed between the adjacent first screen beams 13 and the second screen beams 14, a first end of each screen plate 12 is fixed on the first screen beam 13, and a second end of each screen plate 12 is fixed on the second screen beam 14. Preferably, the screen deck 12 is a polyurethane elastic screen. When materials are screened, the variable frequency motor 4 is started and drives the movable screen frame 6 to move at the frequency suitable for the installed screen plate 12 to drive the screen plate 12 to relax and flex, the materials are screened, and variable frequency processing is performed on the variable frequency motor 4 according to the performances of the screen plates 12 of different merchants, so that the moving frequency of the movable screen frame 6 is suitable for the screen plate 12, and the service life of the screen plate 12 can be effectively prolonged. Secondly, the frequency modulation can be carried out by integrating the performance of the screened materials and the performance of the sieve plate 12, so that the screening state is optimal.

Preferably, the second end of the eccentric shaft 10 is provided with a weighted flywheel 11. The device can stably operate, and the deviation caused by uneven stress of the mesh screen is avoided. Meanwhile, the noise caused by the friction between the movable screen frame 6 and the fixed screen frame 9 is avoided.

As shown in fig. 6, it is preferable that a dust cover 17 is installed on the fixed screen frame 9, and the dust cover 17 prevents foreign materials from entering the apparatus. The dust cover 17 is provided with a feed opening 16 at a position close to the eccentric shaft 10. Preferably, a baffle 20 is provided on the fixed screen frame 9 near the upper end thereof to prevent material from splashing out of the apparatus from the upper end of the fixed screen frame 9. The lower extreme of fixed reel 9 disposes material outlet 18 on the sieve, and the material outlet 19 is under the sieve under the activity reel 6, has placed workbin 22 under material outlet 19 under the sieve, disposes observation window 21 on the workbin 22, and material outlet 18 department on the sieve has placed workbin 23. Specifically, material is poured into the apparatus at feed inlet 16, undersize material enters a lower bin 22 through undersize material outlet 19 and oversize material enters an upper bin 23 through oversize material outlet 18 by screening, during which time the worker can view the material collected in lower bin 22 through viewing window 21.

Preferably, a steel spring 15 is disposed between the upper end of the fixed screen frame 9 and the upper end of the support frame 3. As shown in fig. 6 and 7, a steel spring 15 is pressed on the upper ends of the fixed screen frame 9 and the supporting frame 3, and can offset the component force of the gravity of the whole screen frame and the material along the length direction of the fixed screen frame 9, so that the device is stable.

The utility model discloses a theory of operation: before the device works, an operator adjusts the variable frequency motor 4 by judging the performance of a sieve plate 12 installed on the device at present and the characteristics of materials to be processed, so that the frequency of the variable frequency motor is suitable for the sieve plate 12 and the materials at the same time, then the materials are fed into the device from a feeding hole 16, the sieve plate 12 is pulled by a movable sieve frame 6 and is subjected to relaxation bending movement, the materials are screened, the materials below the sieve enter a blanking box 22 through a material outlet 19 below the sieve, the materials above the sieve enter an upper material box 23 through a material outlet 18 above the sieve, and during the process, the operator can observe the materials collected in the blanking box 22 through an observation window 21.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The variable vibration frequency fishing net sieve is characterized by comprising a supporting rack (3), a movable sieve frame (6), a fixed sieve frame (9), a variable frequency motor (4), a crank connecting rod assembly (8) and a suspension assembly (2), wherein the fixed sieve frame (9) is obliquely arranged on the supporting rack (3) through a rubber spring (1), the movable sieve frame (6) is connected with the fixed sieve frame (9) through the suspension assembly (2), and the variable frequency motor (4) is in driving connection with the movable sieve frame (6) through the crank connecting rod assembly (8);

the suspension assembly (2) comprises an upper supporting seat (201), a first connecting rod (202) and a lower supporting seat (203), the upper supporting seat (201) is installed on the fixed screen frame (9), the lower supporting seat (203) is installed on the movable screen frame (6), an upper bearing seat (2021) is configured at the first end of the first connecting rod (202), a lower bearing seat (2022) is configured at the second end of the first connecting rod (202), the first connecting rod (202) is rotatably connected with the fixed screen frame (9) through a bearing in the upper bearing seat (2021), and the first connecting rod (202) is rotatably connected with the movable screen frame (6) through a bearing in the lower bearing seat (2022).

2. The fishing net screen according to claim 1, characterized in that the upper end of the fixed screen frame (9) is rotatably mounted with an eccentric shaft (10), the first end of the eccentric shaft (10) is provided with a belt pulley (7), the variable frequency motor (4) is in transmission connection with the belt pulley (7) through a V-belt (5), and the eccentric shaft (10) is connected with the movable screen frame (6) through the crank link assembly (8).

3. A fishing net screen according to claim 1, characterised in that the upper support base (201) is provided with upper struts (204) and the lower support base (203) is provided with lower struts (205), the axes of the upper struts (204) being parallel to the axes of the lower struts (205);

the upper bearing seat (2021) is mounted on the upper support rod (204), and the lower bearing seat (2022) is mounted on the lower support rod (205).

4. The fish screen of claim 3, wherein the first link (202) is threaded with both the upper bearing block (2021) and the lower bearing block (2022).

5. A fishing net screen according to claim 2, characterised in that the second end of the eccentric shaft (10) is provided with a counterweight flywheel (11).

6. A fishing screen according to claim 5, characterized in that the fixed screen frame (9) is provided with a dust cover (17), and the dust cover (17) is provided with a feed opening (16) at a position close to the eccentric shaft (10).

7. The fishing net screen according to claim 1, characterized in that the fishing net screen further comprises a screen plate (12), a plurality of first screen beams (13) are arranged on the fixed screen frame (9), a plurality of second screen beams (14) are arranged on the movable screen frame (6), and the first screen beams (13) and the second screen beams (14) are alternately distributed;

the sieve plate (12) is distributed between the adjacent first sieve beam (13) and the second sieve beam (14), the first end of the sieve plate (12) is fixed on the first sieve beam (13), and the second end of the sieve plate (12) is fixed on the second sieve beam (14).

8. A fish screen according to claim 7, wherein a steel spring (15) is provided between the upper end of the fixed screen frame (9) and the upper end of the support frame (3).