Chemical raw material screening device

Abstract

The utility model provides a chemical raw material screening device which comprises a first shell, the upper surface of the first shell is provided with an opening, a second shell is movably arranged in the first shell, the lower surface of the second shell is provided with an opening, and a screening frame is movably arranged in the second shell. The first motor is fixedly connected with the first shell, the second motor is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, the second shell is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, the first motor is fixedly connected with the first shell, and the second shell is fixedly connected with the first shell. According to the chemical raw material screening device, the situation that chemical raw materials are accumulated in the screening frame and cannot be screened is effectively prevented, meanwhile, the screening frame circularly moves left and right in cooperation, the working efficiency during screening is improved, through the arranged fixing nuts and screws, the screening frame can be conveniently taken out to be cleaned, and the portability during use is improved.

Description

Technical Field

[0001] The utility model relates to a screening device, in particular to a chemical raw material screening device, belonging to the technical field of chemical production equipment. Background Art

[0002] Chemical raw materials can generally be divided into two categories: organic chemical raw materials and inorganic chemical raw materials. Chemical raw materials need to be screened before processing to facilitate subsequent processing and production;

[0003] A Chinese patent publication (publication number: CN218053471U) discloses a granulator raw material screening device, which includes a box body; a screen mesh, which is sealed and slidably installed in the box body; a collecting box, which is fixedly installed on one side of the box body; a through hole, which is opened on the box body; a conduit, which is fixedly installed on one side of the box body, and the conduit is connected to the through hole, and one end of the conduit is connected to the collecting box. The granulator raw material screening device provided by the utility model has the advantages of being easy to remove dust and can collect dust, protecting the working environment, and improving the processing quality;

[0004] Although the screening device effectively solves the problem of collecting dust generated during the screening process by setting up a collection box, the screening is achieved by shaking the screen left and right, which easily causes raw materials to accumulate on the upper surface of the screen, resulting in a slow screening speed and low working efficiency. Therefore, a chemical raw material screening device is proposed. Utility Model Content

[0005] In view of this, the utility model provides a chemical raw material screening device to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a chemical raw material screening device, comprising a first shell with an opening on the upper surface, a second shell movably arranged inside the first shell, a lower surface of the second shell movably arranged inside the second shell, a screen frame movably arranged inside the second shell, the outer side of the screen frame movably contacts with the inner wall of the second shell, the upper surface of the screen frame is an opening, the second shell and the screen frame are fixedly connected by bolts, a feed hopper is embedded on the upper surface of the second shell, a first motor is fixedly installed on the upper surface of the second shell, a connecting shaft is fixedly installed at the bottom end of the output shaft of the first motor, the bottom end of the connecting shaft extends to the inside of the screen frame, the bottom end of the first motor is movably contacted with the bottom of the inner wall of the screen frame, a plurality of rotating plates are fixedly installed on the outer side of the connecting shaft along the circumferential direction, the lower surface of the rotating plate is movably contacted with the bottom of the inner wall of the screen frame, a rectangular hole is opened on the front side of the first shell, a material storage frame is movably arranged inside the rectangular hole, the lower surface of the material storage frame is movably contacted with the bottom of the inner wall of the first shell, and the material storage frame is located below the screen frame;

[0007] A third shell is fixedly installed on the right side of the first shell, and a driving assembly is arranged inside the third shell. The driving assembly includes a second motor, a transmission shaft, an eccentric wheel, a rectangular plate, a push plate, a connecting rod, a moving block and a spring.

[0008] Further preferably, two second square plates are fixedly installed on the outer side of the second shell, and the two second square plates are symmetrically arranged; two first square plates are fixedly installed on the outer side of the screen frame, and the two first square plates are symmetrically arranged; a screw is fixedly installed on the upper surface of the first square plate, and the top end of the screw extends to above the second square plate, and the outer side of the screw is threadedly connected with a fixing nut.

[0009] Further preferably, a mounting hole is provided on the upper surface of the second shell, the inner wall of the mounting hole is fixedly connected to the outer side of the feed hopper, and a circular hole is provided on the upper surface of the second shell, the inner wall of the circular hole is in movable contact with the outer side of the connecting shaft.

[0010] Further preferably, a second motor is fixedly mounted on the bottom of the inner wall of the third shell, a transmission shaft is fixedly mounted on the output shaft of the second motor, an eccentric wheel is fixedly sleeved on the outer side of the transmission shaft, a rectangular plate is movably arranged inside the first shell, the right side of the rectangular plate extends to the interior of the third shell, the left side of the rectangular plate extends to the interior of the first shell, the left side of the rectangular plate is fixedly connected to the outer side of the second shell, a push plate is fixedly mounted on the right side of the rectangular plate, the left side of the push plate is movably contacted with the outer side of the eccentric wheel, two moving blocks are fixedly mounted on the outer side of the second shell, two connecting rods are fixedly mounted between the left side and the right side of the inner wall of the first shell, the moving blocks are movably arranged on the outer side of the connecting rods, and springs are wound around the outer sides of the two connecting rods.

[0011] Further preferably, a through hole is opened on the right side of the inner wall of the first shell, and the inner wall of the through hole is in active contact with the outer side of the rectangular plate.

[0012] Further preferably, a through hole is opened on one side of the moving block, and an inner wall of the through hole is in movably contact with the outer side of the connecting rod.

[0013] Further preferably, the left end of the spring is fixedly connected to the left side of the inner wall of the first shell, and the right end of the spring is fixedly connected to the left side of the moving block.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. The utility model effectively prevents chemical raw materials from piling up inside the screen frame and being unable to be screened by means of the second motor, transmission shaft, eccentric wheel, push plate, rectangular plate, spring, moving block, first motor, connecting shaft and rotating plate, and cooperates with the screen frame to cyclically move left and right, thereby improving the working efficiency during screening.

[0016] Second, the utility model provides fixing nuts and screws, which makes it easy to take out the screen frame for cleaning, thereby improving portability during use.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is the main axonometric structural diagram of the utility model;

[0020] Figure 2 It is a side axonometric structural diagram of the utility model;

[0021] Figure 3 This is a main sectional isometric structural diagram of the utility model;

[0022] Figure 4 This is a front view, sectional, axonometric structural diagram of the first housing of the utility model;

[0023] Figure 5 This is a main axonometric structural diagram of the second housing of the utility model;

[0024] Figure 6 For the utility model Figure 2 A magnified structural diagram of part A.

[0025] Figure numerals: 1. first shell; 2. second shell; 3. third shell; 4. rectangular hole; 5. storage frame; 6. feed hopper; 7. first motor; 8. drive assembly; 801. second motor; 802. transmission shaft; 803. eccentric wheel; 804. rectangular plate; 805. push plate; 806. connecting rod; 807. moving block; 808. spring; 9. screen frame; 10. connecting shaft; 11. rotating plate; 12. through hole; 13. mounting hole; 14. circular hole; 15. through hole; 16. first square plate; 17. screw; 18. second square plate. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] like Figure 1-6As shown, the embodiment of the utility model provides a chemical raw material screening device, including a first shell 1 with an opening on the upper surface, a second shell 2 is movably arranged inside the first shell 1, the lower surface of the second shell 2 is an opening, a screen frame 9 is movably arranged inside the second shell 2, the outer side of the screen frame 9 is in movably contact with the inner wall of the second shell 2, the upper surface of the screen frame 9 is an opening, the second shell 2 and the screen frame 9 are fixedly connected by bolts, a feed hopper 6 is embedded on the upper surface of the second shell 2, and a first motor is fixedly installed on the upper surface of the second shell 2 7. A connecting shaft 10 is fixedly installed at the bottom end of the output shaft of the first motor 7. The bottom end of the connecting shaft 10 extends to the inside of the screen frame 9. The bottom end of the first motor 7 is in active contact with the bottom of the inner wall of the screen frame 9. A plurality of rotating plates 11 are fixedly installed along the circumferential direction on the outer side of the connecting shaft 10. The lower surface of the rotating plate 11 is in active contact with the bottom of the inner wall of the screen frame 9. A rectangular hole 4 is opened on the front side of the first shell 1. A material storage frame 5 is movably arranged inside the rectangular hole 4. The lower surface of the material storage frame 5 is in active contact with the bottom of the inner wall of the first shell 1. The material storage frame 5 is located below the screen frame 9.

[0029] A third shell 3 is fixedly installed on the right side of the first shell 1. A driving assembly 8 is arranged inside the third shell 3. The driving assembly 8 includes a second motor 801, a transmission shaft 802, an eccentric wheel 803, a rectangular plate 804, a push plate 805, a connecting rod 806, a moving block 807 and a spring 808.

[0030] In one embodiment, two second square plates 18 are fixedly installed on the outer side of the second shell 2, and the two second square plates 18 are symmetrically arranged. Two first square plates 16 are fixedly installed on the outer side of the screen frame 9, and the two first square plates 16 are symmetrically arranged. A screw 17 is fixedly installed on the upper surface of the first square plate 16, and the top of the screw 17 extends to the top of the second square plate 18. The outer side of the screw 17 is threadedly connected with a fixing nut, and the screw 17 is threadedly connected to the fixing nut, so that the screen frame 9 is fixedly installed inside the second shell 2.

[0031] In one embodiment, a mounting hole 13 is provided on the upper surface of the second shell 2, and the inner wall of the mounting hole 13 is fixedly connected to the outer side of the feed hopper 6. A circular hole 14 is provided on the upper surface of the second shell 2, and the inner wall of the circular hole 14 is in movable contact with the outer side of the connecting shaft 10. The feed hopper 6 is installed on the upper surface of the second shell 2 through the mounting hole 13, and the connecting shaft 10 is rotated inside the second shell 2 through the circular hole 14.

[0032] In one embodiment, a second motor 801 is fixedly installed on the bottom of the inner wall of the third shell 3, a transmission shaft 802 is fixedly installed on the output shaft of the second motor 801, an eccentric wheel 803 is fixedly sleeved on the outer side of the transmission shaft 802, a rectangular plate 804 is movably arranged inside the first shell 1, the right side of the rectangular plate 804 extends to the inside of the third shell 3, the left side of the rectangular plate 804 extends to the inside of the first shell 1, the left side of the rectangular plate 804 is fixedly connected to the outer side of the second shell 2, and a push plate 805 is fixedly installed on the right side of the rectangular plate 804. The left side of the plate 805 is in movably contact with the outer side of the eccentric wheel 803, and two moving blocks 807 are fixedly installed on the outer side of the second shell 2. Two connecting rods 806 are fixedly installed between the left side and the right side of the inner wall of the first shell 1. The moving block 807 is movably arranged on the outer side of the connecting rod 806. Springs 808 are wound around the outer sides of the two connecting rods 806. The eccentric wheel 803 is set to push the rectangular plate 804 to move left and right in a circle, so that the second shell 2 drives the screen frame 9 to move left and right in a circle inside the first shell 1 to screen the chemical raw materials.

[0033] In one embodiment, a through hole 12 is opened on the right side of the inner wall of the first shell 1 , and the inner wall of the through hole 12 is in movable contact with the outer side of the rectangular plate 804 . With the setting of the through hole 12 , the rectangular plate 804 can move inside the first shell 1 .

[0034] In one embodiment, a through hole 15 is opened on one side of the moving block 807 , and the inner wall of the through hole 15 is in movable contact with the outer side of the connecting rod 806 , so that the moving block 807 can move on the outer side of the connecting rod 806 under the setting of the through hole 15 .

[0035] In one embodiment, the left end of the spring 808 is fixedly connected to the left side of the inner wall of the first shell 1 , and the right end of the spring 808 is fixedly connected to the left side of the moving block 807 , and the moving block 807 is driven by the spring 808 to move outside the connecting rod 806 .

[0036] When the utility model is working: the chemical raw materials to be screened are introduced into the interior of the screen frame 9 through the feed hopper 6, and the second motor 801 is started, so that the second motor 801 drives the transmission shaft 802 to rotate, the transmission shaft 802 rotates and drives the eccentric wheel 803 to rotate, the eccentric wheel 803 rotates and gradually reduces the thrust to the right of the push plate 805 and the rectangular plate 804, at this time, the two stretched springs 808 are reset, the spring 808 drives the moving block 807 to move to the left, the two moving blocks 807 drive the second shell 2 to move to the left, the second shell 2 drives the screen frame 9 to move to the left, and the eccentric wheel 803 is still rotating at this time, The push plate 805 and the rectangular plate 804 are pushed to move rightward again, and the rectangular plate 804 drives the second shell 2 to move rightward. At the same time, the two springs 808 are stretched again, so that the second shell 2 drives the screen frame 9 to move left and right in the first shell 1. At the same time, the first motor 7 is started, so that the first motor 7 drives the connecting shaft 10 to rotate. The connecting shaft 10 rotates and drives the rotating plate 11 to rotate. The rotating plate 11 moves the chemical raw materials inside the screen frame 9, effectively preventing the chemical raw materials from accumulating inside the screen frame 9 and being unable to be screened. At the same time, the screen frame 9 moves left and right in a cycle, thereby improving the working efficiency during screening.

[0037] The chemical raw materials dropped after screening are stored under the action of the storage frame 5. After screening is completed, the storage frame 5 is pulled to be moved out from the interior of the first shell 1. At this time, the fixing nut is rotated to separate it from the screw 17, and the screen frame 9 is pulled downward to take the screen frame 9 out from the interior of the second shell 2. The remaining chemical raw materials in the screen frame 9 are processed, which makes it easy to take out the screen frame 9 for cleaning, thereby improving the portability during use.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A chemical raw material screening device, characterized in that: The invention comprises a first shell (1) having an upper surface with an opening, a second shell (2) being movably arranged inside the first shell (1), a lower surface of the second shell (2) being an opening, a screen frame (9) being movably arranged inside the second shell (2), an outer side of the screen frame (9) being in movable contact with an inner wall of the second shell (2), an upper surface of the screen frame (9) being an opening, the second shell (2) and the screen frame (9) being fixedly connected by bolts, a feed hopper (6) being embedded on the upper surface of the second shell (2), a first motor (7) being fixedly mounted on the upper surface of the second shell (2), and a bottom end of an output shaft of the first motor (7) being fixedly connected to the output shaft of the first motor (7) A connecting shaft (10) is installed, the bottom end of the connecting shaft (10) extends to the inside of the screen frame (9), the bottom end of the first motor (7) is in movable contact with the bottom of the inner wall of the screen frame (9), a plurality of rotating plates (11) are fixedly installed on the outer side of the connecting shaft (10) along the circumferential direction, the lower surface of the rotating plate (11) is in movable contact with the bottom of the inner wall of the screen frame (9), a rectangular hole (4) is opened on the front side of the first shell (1), a material storage frame (5) is movably arranged inside the rectangular hole (4), the lower surface of the material storage frame (5) is in movable contact with the bottom of the inner wall of the first shell (1), and the material storage frame (5) is located below the screen frame (9); A third shell (3) is fixedly mounted on the right side of the first shell (1), and a driving assembly (8) is arranged inside the third shell (3). The driving assembly (8) comprises a second motor (801), a transmission shaft (802), an eccentric wheel (803), a rectangular plate (804), a push plate (805), a connecting rod (806), a moving block (807) and a spring (808).

2. A chemical raw material screening device according to claim 1, characterized in that: Two second square plates (18) are fixedly mounted on the outer side of the second shell (2), and the two second square plates (18) are symmetrically arranged. Two first square plates (16) are fixedly mounted on the outer side of the screen frame (9), and the two first square plates (16) are symmetrically arranged. A screw rod (17) is fixedly mounted on the upper surface of the first square plate (16), and the top end of the screw rod (17) extends to the top of the second square plate (18). The outer side of the screw rod (17) is threadedly connected with a fixing nut.

3. A chemical raw material screening device according to claim 1, characterized in that: A mounting hole (13) is provided on the upper surface of the second shell (2), and the inner wall of the mounting hole (13) is fixedly connected to the outer side of the feed hopper (6). A circular hole (14) is provided on the upper surface of the second shell (2), and the inner wall of the circular hole (14) is in movable contact with the outer side of the connecting shaft (10).

4. A chemical raw material screening device according to claim 1, characterized in that: A second motor (801) is fixedly mounted on the bottom of the inner wall of the third housing (3); a transmission shaft (802) is fixedly mounted on the output shaft of the second motor (801); an eccentric wheel (803) is fixedly sleeved on the outer side of the transmission shaft (802); a rectangular plate (804) is movably arranged inside the first housing (1); the right side of the rectangular plate (804) extends into the interior of the third housing (3); the left side of the rectangular plate (804) extends into the interior of the first housing (1); and the left side of the rectangular plate (804) is in contact with the second housing (1). The outer side of the second shell (2) is fixedly connected, a push plate (805) is fixedly installed on the right side of the rectangular plate (804), and the left side of the push plate (805) is in movably contact with the outer side of the eccentric wheel (803), two moving blocks (807) are fixedly installed on the outer side of the second shell (2), and two connecting rods (806) are fixedly installed between the left side and the right side of the inner wall of the first shell (1), and the moving blocks (807) are movably arranged on the outer side of the connecting rods (806), and springs (808) are wound around the outer sides of the two connecting rods (806).

5. A chemical raw material screening device according to claim 1, characterized in that: A through hole (12) is provided on the right side of the inner wall of the first shell (1), and the inner wall of the through hole (12) is in active contact with the outer side of the rectangular plate (804).

6. A chemical raw material screening device according to claim 1, characterized in that: A through hole (15) is provided on one side of the moving block (807), and the inner wall of the through hole (15) is in movably contact with the outer side of the connecting rod (806).

7. A chemical raw material screening device according to claim 1, characterized in that: The left end of the spring (808) is fixedly connected to the left side of the inner wall of the first shell (1), and the right end of the spring (808) is fixedly connected to the left side of the moving block (807).

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