Circular vibrating screen with good screening effect

Abstract

The utility model relates to the technical field of vibrating screens, and discloses a round vibrating screen with a good screening effect, which comprises a fixed frame, two vibrators are fixedly arranged on two sides of the fixed frame, two vibrating screen boxes are rotatably arranged on the upper part of the fixed frame, and turning mechanisms are arranged between the vibrators and the two vibrating screen boxes; the upper vibrating screen box and the lower vibrating screen box are reversed by controlling the vibrating screen boxes, so that the screen is overturned up and down, the upper side and the lower side of the screen can be practical, during use, limiting columns are fixedly installed on the two sides of the vibrating screen boxes, vibrators play a role in the vibrating screen boxes when the limiting columns are connected with limiting bases in a matched mode, and turning springs are arranged, so that the vibrating screen boxes move up and down in a small range; the screening effect is better, the adjusting base is controlled to remove limitation of the sliding columns on the positioning base, then the vibrating screen box on the upper side and the vibrating screen box on the lower side are opened, the screen is replaced, sealing plugs are installed on the upper side and the lower side of the screen, and by means of the device, the screen can be replaced more flexibly, operation is easy, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibrating screen technology field, concretely is a round vibrating screen with good screening effect. BACKGROUND

[0002] The dry-mixed mortar round vibrating screen is a high-efficiency screening device, which is widely used in the fields of chemical industry, food, medicine, metallurgy, building materials and powder metallurgy. It promotes the stratified screening of materials on the screen mesh through the vibration force generated by the vibrating motor to achieve the purpose of separating materials, and is particularly suitable for the screening of materials such as dry-mixed mortar, thereby ensuring the product quality and improving the production efficiency.

[0003] A round vibrating screen with good screening effect is provided in Chinese patent with publication number CN213001163U, which comprises a cylinder, a feed inlet is provided at the top of the cylinder, a circular vibrating screen plate is provided in the cylinder, a screen mesh hole area is provided on the vibrating screen plate, an elastic cloth bag pocket is provided at the bottom end of the vibrating screen plate, a discharge channel is provided at the bottom end of the elastic cloth bag pocket, a motor is fixedly provided on the inner wall of the cylinder below the vibrating screen plate, a vertical turntable is connected to the output end of the motor, a connecting shaft one is fixedly provided at the edge of the side surface of the turntable, a vertical connecting rod is rotatably connected to the connecting shaft one, a connecting shaft two is rotatably connected to the top of the connecting rod, fixed blocks are fixedly provided at the two sides of the connecting shaft two, and an elastic connecting seat is fixedly provided at the edge of the vibrating screen plate. The rotating turntable drives the connecting rod to move up and down, which can stably vibrate the vibrating screen plate and facilitate the screening of materials.

[0004] The above device has the effect of screening materials, but the device parts are directly in contact with the materials, which can easily cause damage to the parts. In actual production, long-term unidirectional application of the screen mesh can easily cause the screen mesh to be depressed, the joint is not tight, the service life of the screen mesh is short, and the screen mesh is not convenient to replace. Therefore, a round vibrating screen with good screening effect is needed. SUMMARY

[0005] The utility model aims at providing a round vibrating screen with good screening effect to solve the problems of the existing device in screening materials, such as long-term unidirectional application of the screen mesh which can easily cause the screen mesh to be depressed, and complicated replacement of the screen mesh.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of round vibration screen with good screening effect, including fixed frame, two vibrator are fixedly installed in the both sides of the fixed frame, and two vibration screen boxes are rotatably installed in the upper portion of the fixed frame, and adjusting mechanism is arranged between the vibrator and the two vibration screen boxes;The adjusting mechanism includes two material conveying seats, two the material conveying seats are respectively fixedly installed in one side of two vibration screen boxes, two limit posts are fixedly installed in the both sides of two vibration screen boxes, and two front shafts and two rear shafts are respectively fixedly installed in the both sides of two vibration screen boxes, connecting seat is sleeved on the outside of the rear shaft and the upper side of fixed frame, adjusting spring is fixedly installed in the rear shaft and the inner wall lower side of connecting seat, support seat is fixedly installed between the adjusting spring and the rear shaft, the output shaft of the vibrator is fixedly installed with connecting plate, and the one end of the connecting plate is fixedly installed with limit seat.

[0007] Preferably, two the vibration screen boxes are fixedly installed with counterweight plate in the bottom, and the material conveying seat is obliquely downwardly installed on two vibration screen boxes.

[0008] Preferably, the both ends of the limit post and the limit seat are circular arc, and recess is formed in the middle of the limit seat, the limit post and the recess are adaptively matched, and four blocks are fixedly installed on the front end of the rear shaft.

[0009] Preferably, screen is fixedly installed between two the vibration screen boxes, and exchange mechanism is arranged between two the vibration screen boxes, the exchange mechanism includes two sealing rings, two the sealing rings are respectively fixedly installed on the upper side and the lower side of screen, two blocking rings are fixedly installed on the side of two the sealing rings and at the inner wall position of two vibration screen boxes, two rotating seats are fixedly installed on the side position of two the vibration screen boxes, rotating column is rotatably installed between the rotating seat, two positioning seats and positioning columns are respectively fixedly installed on the other side position of two the vibration screen boxes, two exchange seats are slidably installed in the inside of the positioning column, slide column is fixedly installed on the outside of two the exchange seats, and exchange spring is fixedly installed between the slide column of both sides.

[0010] Preferably, annular groove is formed in the inner wall of two the vibration screen boxes, and the sealing ring is adaptively matched with the blocking ring and the annular groove.

[0011] Preferably, circular groove is formed on the side of two the positioning seats, long hole is formed in the inside of the positioning column, square groove is formed in the inside of the positioning column and on the upper side of long hole, the exchange seat is adaptively matched with the square groove, and the slide column is adaptively matched with the circular groove and the long hole.

[0012] Preferably, the outer part of the fixing frame is fixedly provided with a plurality of rectangular columns, the material conveying seat is in an inverted trapezoidal shape, the inner part of the positioning seat and the positioning column are provided with a slot, and the outer part of the switching seat and the slot are fixedly provided with a column.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1) the circular vibrating screen for screening effect is good, the upper and lower vibrating screen boxes are reversed by controlling the vibrating screen box, the screen is turned upside down, and the upper and lower sides of the screen can be used practically, when in use, the limit column is fixedly installed on both sides of the vibrating screen box, the vibrator acts on the vibrating screen box when the limit column is matched and connected with the limit seat, and the vibrating screen box is moved up and down in a small amplitude by the setting of the turning spring, and the screening effect is better.

[0015] 2) the circular vibrating screen for screening effect is good, the limit of the positioning seat by the sliding column is removed by controlling the switching seat, the upper and lower vibrating screen boxes are opened, and the screen is replaced, the upper and lower sides of the screen are provided with sealing plugs, and the screen is positioned between the vibrating screen boxes under the cooperation of the sealing plugs and the blocking ring, the replacement of the screen is more flexible, the operation is simple, and the practicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the circular vibrating screen for screening effect in the utility model embodiment;

[0017] Figure 2 It is a split structure schematic view of the turning mechanism in the utility model embodiment;

[0018] Figure 3 It is a sectional structure schematic view of the switching mechanism in the utility model embodiment;

[0019] Figure 4 It is an enlarged view of the sectional structure of the switching mechanism in the utility model embodiment;

[0020] Figure 5 It is an enlarged view of the three-dimensional structure of the switching mechanism in the utility model embodiment.

[0021] In the drawing: 1, fixing frame; 2, vibrator; 3, vibrating screen box; 4, turning mechanism; 401, material conveying seat; 402, limit column; 403, front rotating shaft; 404, rear rotating shaft; 405, connecting seat; 406, turning spring; 407, supporting seat; 408, connecting plate; 409, limit seat; 5, screen; 6, switching mechanism; 601, sealing ring; 602, blocking ring; 603, rotating seat; 604, rotating column; 605, positioning seat; 606, positioning column; 607, switching seat; 608, sliding column; 609, switching spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In combination with Figure 1 And Figure 2 , including fixed frame 1, two vibrators 2 are fixedly installed on the two sides of the fixed frame 1, and two vibration screening boxes 3 are rotatably installed on the upper part of the fixed frame 1, and a turning mechanism 4 is arranged between the vibrator 2 and the two vibration screening boxes 3; the turning mechanism 4 comprises two material conveying seats 401, the two material conveying seats 401 are fixedly installed on the sides of the two vibration screening boxes 3 respectively, limit columns 402 are fixedly installed on the two sides of the two vibration screening boxes 3 respectively, two front rotating shafts 403 and two rear rotating shafts 404 are fixedly installed on the two sides of the two vibration screening boxes 3 respectively, a connecting seat 405 is sleeved on the outside of the rear rotating shaft 404 and located on the upper side of the fixed frame 1, a turning spring 406 is fixedly installed on the inner wall of the connecting seat 405 and the lower side of the rear rotating shaft 404, a supporting seat 407 is fixedly installed between the turning spring 406 and the rear rotating shaft 404, a connecting plate 408 is fixedly installed on the output shaft of the vibrator 2, and a limit seat 409 is fixedly installed on one end of the connecting plate 408.

[0025] In combination with Figure 2 It is further obtained that the two vibration screening boxes 3 are fixedly installed with counterweight plates on the bottom, the material conveying seats 401 are installed on the two vibration screening boxes 3 in a downward inclination, the two ends of the limit column 402 and the limit seat 409 are in the shape of a circular arc, a groove is formed in the middle of the limit seat 409, the limit column 402 and the groove are adaptively matched, and the front end of the rear rotating shaft 404 is fixedly installed with four square blocks.

[0026] Specifically, the upper and lower vibration screening boxes 3 can be vibrated through the matching connection of the limit column 402 and the limit seat 409, the direction of the upper and lower vibration screening boxes 3 can be regularly turned because the material conveying seats 401 are fixedly installed on the outside of the upper and lower vibration screening boxes 3, the upper and lower sides of the screen 5 can be effectively utilized, and the service life of the screen 5 is prolonged, the vibration screening boxes 3 are erected between the fixed frames 1 through the four square blocks at the front end of the rear rotating shaft 404 during use, the device is more stable under the action of the counterweight plates, the turning spring 406 is arranged, and objects are screened under the action of the turning spring 406 and the vibrator 2.

[0027] Embodiment two

[0028] In combination with Figure 1 , Figure 3 ,Figure 4 And Figure 5 The screen 5 is fixedly installed between the two vibrating screen boxes 3, and an exchange mechanism 6 is arranged between the two vibrating screen boxes 3, the exchange mechanism 6 comprises two sealing rings 601, the two sealing rings 601 are fixedly installed on the upper and lower sides of the screen 5, two blocking rings 602 are fixedly installed on one side of the two sealing rings 601 and located at the inner wall positions of the two vibrating screen boxes 3, two rotating bases 603 are fixedly installed at the one side positions of the two vibrating screen boxes 3, a rotating column 604 is rotatably installed between the two rotating bases 603, two positioning bases 605 and positioning columns 606 are fixedly installed at the other side positions of the two vibrating screen boxes 3 respectively, two exchange bases 607 are slidably installed in the positioning columns 606, slide columns 608 are fixedly installed on the outer sides of the two exchange bases 607, and an exchange spring 609 is fixedly installed between the two slide columns 608.

[0029] Referring to Figures 3-5 Further, annular grooves are formed in the inner walls of the two vibrating screen boxes 3, the sealing rings 601 are adaptively matched with the blocking rings 602 and the annular grooves, circular grooves are formed in the one sides of the two positioning bases 605, a long hole is formed in the inner side of the positioning column 606, a square groove is formed in the inner side of the positioning column 606 and located on the upper side of the long hole, the exchange base 607 is adaptively matched with the square groove, and the slide column 608 is adaptively matched with the circular groove and the long hole.

[0030] Specifically, by controlling the two exchange bases 607, the exchange bases 607 slide in the square grooves and move the slide columns 608 inward, so as to release the restriction of the slide columns 608 on the positioning bases 605, and the upper and lower vibrating screen boxes 3 are opened, which facilitates the replacement of the screen 5. Since the blocking rings 602 are installed on the inner walls of the upper and lower vibrating screen boxes 3 and act on the screen 5 together with the sealing rings 601, the screen 5 is fixed between the vibrating screen boxes 3.

[0031] Example Three

[0032] Referring to Figures 1-5 On the basis of the example one and the example two, further, a plurality of rectangular columns are fixedly installed on the outer side of the fixed frame 1, the material conveying base 401 is in the shape of an inverted trapezoid, a strip groove is formed in the inner sides of the positioning base 605 and the positioning column 606, and a strip column is fixedly installed on the outer side of the exchange base 607 and penetrates the strip groove.

[0033] Specifically, the plurality of rectangular columns installed on the outer side of the fixed frame 1 provide stability for the device. Since the material conveying base 401 is in the shape of an inverted trapezoid, the inlet and outlet are enlarged when the material is conveyed in and out, so as to make the conveying of the material more convenient. By arranging the strip groove and the strip column, the movement track of the exchange base 607 is limited.

[0034] In actual operation, through the matching connection of the limiting column 402 and the limiting seat 409, the upper and lower side vibrating screen boxes 3 can vibrate through the vibrator 2, and because the upper and lower side vibrating screen boxes 3 are externally fixedly installed with the material conveying seats 401, the direction of the upper and lower vibrating screen boxes 3 can be regularly turned over, the service life of the screen 5 can be prolonged, in use, the rear end four blocks of the rear shaft 404 make the vibrating screen boxes 3 stand between the fixed frames 1, and under the action of the counterweight plate, the device is more stable, the turning over spring 406 is arranged, and under the action of the turning over spring 406 and the vibrator 2, objects are screened;

[0035] By controlling the two exchange seats 607, the exchange seat 607 slides in the square groove, and the sliding column 608 moves inward, thereby releasing the limitation of the sliding column 608 on the positioning seat 605, so that the upper and lower side vibrating screen boxes 3 are opened, the screen 5 is conveniently replaced, because the inner wall of the upper and lower side vibrating screen boxes 3 is installed with the blocking ring 602, the blocking ring 602 and the sealing ring 601 simultaneously act on the screen 5, so that the screen 5 is fixed between the vibrating screen boxes 3.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A circular vibrating screen with good screening effect, comprising a fixed frame (1), two vibrators (2) are fixedly installed on both sides of the fixed frame (1), and two vibrating screen boxes (3) are rotatably installed on the upper part of the fixed frame (1), characterized in that: The vibrator (2) is provided with a rotating mechanism (4) with the two vibrating screen boxes (3). The rotating mechanism (4) comprises two material conveying seats (401), the two material conveying seats (401) are fixedly installed on one side of the two vibrating screen boxes (3), the two sides of the two vibrating screen boxes (3) are fixedly installed with limiting columns (402), the two sides of the two vibrating screen boxes (3) are fixedly installed with two front rotating shafts (403) and two rear rotating shafts (404) respectively, the outside of the rear rotating shaft (404) and the upper side of the fixed frame (1) are sleeved with a connecting seat (405), the rear rotating shaft (404) and the inner wall of the connecting seat (405) are fixedly installed with a rotating spring (406) on the lower side, the rotating spring (406) and the rear rotating shaft (404) are fixedly installed with a supporting seat (407), the output shaft of the vibrator (2) is fixedly installed with a connecting plate (408), one end of the connecting plate (408) is fixedly installed with a limiting seat (409).

2. The circular vibrating screen with good screening effect according to claim 1, characterized in that: The bottom of the two vibrating screen boxes (3) is fixedly installed with a counterweight plate, and the material conveying seat (401) is installed on the two vibrating screen boxes (3) in a downward inclined manner.

3. The circular vibrating screen with good screening effect according to claim 1, characterized in that: The two ends of the limiting column (402) and the limiting seat (409) are in arc shape, the middle part of the limiting seat (409) is provided with a groove, the limiting column (402) is adaptively matched with the groove, and the front end of the rear rotating shaft (404) is fixedly installed with a square block.

4. The circular vibrating screen with good screening effect according to claim 2, characterized in that: The two vibrating screen boxes (3) are fixedly installed with a screen (5) between them, and a switching mechanism (6) is arranged between the two vibrating screen boxes (3), the switching mechanism (6) comprises two sealing rings (601), the two sealing rings (601) are fixedly installed on the upper and lower sides of the screen (5), two blocking rings (602) are fixedly installed on one side of the two sealing rings (601) and at the inner wall positions of the two vibrating screen boxes (3), two rotating seats (603) are fixedly installed on one side of the two vibrating screen boxes (3), a rotating column (604) is rotatably installed between the two rotating seats (603), two positioning seats (605) and positioning columns (606) are fixedly installed on the other side of the two vibrating screen boxes (3) respectively, two switching seats (607) are slidably installed in the positioning column (606), two sliding columns (608) are fixedly installed on the outside of the two switching seats (607), and a switching spring (609) is fixedly installed between the two sliding columns (608).

5. The circular vibrating screen with good screening effect according to claim 4, characterized in that: The inner wall of the two vibrating screen boxes (3) is provided with an annular groove, and the sealing ring (601) is adaptively matched with the blocking ring (602) and the annular groove.

6. The circular vibrating screen with good screening effect according to claim 4, characterized in that: The side of the two positioning seats (605) is provided with a circular groove, the inside of the positioning column (606) is provided with a long hole, the inside of the positioning column (606) is provided with a square groove on the upper side of the long hole, the switching seat (607) is adaptively matched with the square groove, and the sliding column (608) is adaptively matched with the circular groove and the long hole.

7. The circular vibrating screen with good screening effect according to claim 6, characterized in that: The exterior of the fixing frame (1) is fixedly provided with several rectangular columns, the material conveying seat (401) is in the shape of an inverted trapezoid, the interior of the positioning seat (605) and the positioning column (606) are both provided with a slot, and the exterior of the exchanging seat (607) and penetrating the slot is fixedly provided with a column.

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