Multi-stage screening device facilitating material taking

Abstract

The utility model belongs to the technical field of screening devices, and particularly discloses a multi-stage screening device facilitating material taking, which comprises a box body, a screening box is arranged in the box body, a mounting groove extending to the outside of the screening box is formed in the screening box, and a screening plate extending to the outside of the screening box is slidably connected in the mounting groove. The top of the screening box is fixedly connected with two symmetrical transmission frames, the cross section of each transmission frame is in a square shape, and one side of the box body is fixedly connected with a motor. According to the multi-stage screening device facilitating material taking, the supporting frame drives the limiting shaft to move upwards, and positioning of the limiting shaft on the right-angle face of the fixing plate is relieved; the fixing plate can slide out of a transmission groove formed in the positioning block, so that fixation of the sieve plate by the fixing plate is relieved, a worker can more conveniently detach and clean the sieve plate, and meanwhile, materials at the top of the sieve plate can be more conveniently collected and taken.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, and particularly relates to a multi-stage screening device convenient for material taking. Background Technique

[0002] The nickel-aluminum alloy hydrogenation catalyst is a catalyst used in hydrogenation reactions, mainly composed of elements such as nickel, aluminum, and molybdenum, and its chemical formula is NiAlMo. The nickel-aluminum alloy hydrogenation catalyst has the characteristics of high activity, long life, and strong anti-poisoning ability, and is widely used in fields such as petrochemical, chemical, and pharmaceutical industries. Before processing, the nickel-aluminum alloy often needs to be pretreated, including classification.

[0003] After retrieval, the existing Chinese patent publication number is: CN220697454U, which provides a cemented carbide powder screening device, relating to the technical field of alloy powder screening. It includes a box body, a feeding hopper is connected to the top of the box body, a primary sieve plate, a secondary sieve plate, and a tertiary sieve plate are sequentially installed in the box body from top to bottom. A vibration assembly for driving the primary sieve plate, secondary sieve plate, and tertiary sieve plate to vibrate is arranged in the box body, to solve the technical problems that it is not easy to take materials after screening the cemented carbide powder and the alloy powder screening process is easily affected.

[0004] Although the above patent can screen alloy powder, the above device still has the following problems: Since the device needs to turn components such as screws during the material taking process, the material taking process of the device is relatively cumbersome, and to a certain extent, it makes the material taking of the device more troublesome, resulting in a slower material taking speed of the device and a certain reduction in the convenience of the device. In view of the above situation, technological innovation is carried out on the basis of the existing device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a multi-stage screening device convenient for material taking, to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A multi-stage screening device convenient for material taking, including a box body, a screening box is arranged inside the box body, an installation groove extending to the outside of the screening box is opened inside the screening box, a sieve plate extending to the outside of the screening box is slidably connected inside the installation groove, two symmetrical transmission frames are fixedly connected to the top of the screening box, the cross-section of the transmission frame is in a square shape, a motor is fixedly connected to one side of the box body, the output end of the motor rotates through one side of the box body and extends to the inside of the box body, the output end of the motor is fixedly connected to a rotating shaft, and the right surface inside the box body is also rotatably connected to a rotating shaft, and a transmission frame is fixedly connected between the two rotating shafts.

[0007] Preferably, the cross-section of the transmission frame is in a U shape, the transmission frame is located inside the transmission frame, and the surface of the transmission frame is movably connected to the inside of the transmission frame.

[0008] Preferably, a limiting groove is formed inside the box body, a sliding block is fixedly connected to the surface of the screening box, and the surface of the sliding block is slidably connected to the inside of the limiting groove.

[0009] Preferably, a positioning block is fixedly connected to the front side of the screening box, a supporting block is fixedly connected to the front side of the screening box, the supporting block is arranged below the positioning block, driving grooves are formed on the opposite sides of the positioning block and the supporting block, and a fixing plate is rotatably connected to the inside of the driving groove formed on the supporting block. An inclined surface is arranged at the top of the fixing plate.

[0010] Preferably, a moving groove is formed inside the positioning block, the inside of the moving groove is communicated with the inside of the driving groove formed on the positioning block, a support frame is slidably connected to the inside of the moving groove, the cross section of the support frame is in a C shape, a limiting shaft is fixedly connected to the inside of the support frame, and a spring is fixedly connected to the top of the support frame. The top end of the spring is fixedly connected to the inner wall of the moving groove.

[0011] Preferably, a pull rod is fixedly connected to the top of the support frame, and the top of the pull rod slidably penetrates through the inside of the moving groove and extends to the inside of the positioning block.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. For this multi-stage screening device facilitating material taking, the support frame drives the limiting shaft to move upward, and the positioning of the right-angle surface of the limiting shaft on the fixing plate is released, enabling the fixing plate to slide out of the driving groove formed on the positioning block, thereby releasing the fixation of the fixing plate on the sieve plate. This allows the staff to more conveniently disassemble and clean the sieve plate. At the same time, it enables the material on the top of the sieve plate to be more conveniently collected and taken, making it more convenient for the staff to use the device.

[0014] 2. For this multi-stage screening device facilitating material taking, through the mutual cooperation of the transmission frame and the transmission frame, the transmission frame can drive the screening box to move up and down, flatten the material on the top of the sieve plate, so that the screening box can screen the material on the top of the sieve plate. At the same time, the screening speed of the material is increased to a certain extent, making it more convenient for the staff to use the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a multi-stage screening device facilitating material taking according to the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the box body of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the screening box of the present utility model;

[0018] Figure 4 This is a schematic structural diagram of the movable groove of the present utility model;

[0019] Figure 5 This is a schematic structural diagram of the positioning block of the present utility model.

[0020] In the figure: 1, box body; 2, collection box; 3, limiting groove; 4, screening box; 5, positioning block; 6, support block; 7, fixing plate; 8, transmission groove; 9, transmission frame; 10, transmission rack; 11, rotating shaft; 12, pull rod; 13, sieve plate; 14, movable groove; 15, spring; 16, support frame; 17, limiting shaft; 18, slider; 19, installation groove. Specific embodiments

[0021] Please refer to Figure 1-4 , the present utility model provides a technical solution: a multi-stage screening device convenient for material taking, including a box body 1, a feeding pipe is arranged at the top of the box body 1, a movable door is arranged on the box body 1, a screening box 4 is arranged inside the box body 1, an installation groove 19 extending to the outside of the screening box 4 is opened inside the screening box 4, the number of the installation grooves 19 is multiple, a sieve plate 13 extending to the outside of the screening box 4 is slidably connected inside the installation groove 19, the sieve plate 13 can screen the nickel-aluminum alloy hydrogenation catalyst, two symmetrical transmission frames 9 are fixedly connected to the top of the screening box 4, the cross section of the transmission frame 9 is in a square shape, a motor 20 is fixedly connected to one side of the box body 1, the motor 20 is a conventional structure and will not be elaborated here, the output end of the motor 20 rotates through one side of the box body 1 and extends into the inside of the box body 1, the output end of the motor 20 is fixedly connected to a rotating shaft 11, the right surface inside the box body 1 is also rotatably connected to a rotating shaft 11, a transmission rack 10 is fixedly connected between the two rotating shafts 11, the cross section of the transmission rack 10 is in a C shape, the transmission rack 10 is located inside the transmission frame 9, and the surface of the transmission rack 10 is movably connected to the inside of the transmission frame 9, and the transmission rack 10 can rotate and move inside the transmission frame 9.

[0022] Furthermore, a limiting groove 3 is opened inside the box body 1, a slider 18 is fixedly connected to the surface of the screening box 4, and the surface of the slider 18 is slidably connected to the inside of the limiting groove 3. Through the mutual cooperation of the slider 18 and the limiting groove 3, the moving direction of the screening box 4 is restricted, and the screening box 4 can move up and down more smoothly.

[0023] The motor 20 is started by the staff. The motor 20 drives the transmission frame 10 to rotate through the rotating shaft 11. At the same time, through the mutual cooperation of the transmission frame 10 and the transmission box 9, the transmission frame 10 can drive the screening box 4 to move up and down, flatten the materials on the top of the sieve plate 13, so that the screening box 4 can screen the materials on the top of the sieve plate 13, and at the same time, the screening speed of the materials is increased to a certain extent, making it more convenient for the staff to use the device.

[0024] Further, a positioning block 5 is fixedly connected to the front side of the screening box 4, and a support block 6 is fixedly connected to the front side of the screening box 4. The support block 6 is arranged below the positioning block 5. Transmission grooves 8 are formed on the opposite sides of the positioning block 5 and the support block 6. A fixing plate 7 is rotatably connected to the inside of the transmission groove 8 formed on the support block 6. The top of the fixing plate 7 is provided with an inclined surface. The fixing plate 7 can slide into and out of the inside of the transmission groove 8 formed on the positioning block 5. The position of the sieve plate 13 can be positioned and fixed through the positioning block 5, the support block 6 and the fixing plate 7.

[0025] Further, a moving groove 14 is formed inside the positioning block 5. The inside of the moving groove 14 is communicated with the inside of the transmission groove 8 formed on the positioning block 5. A support frame 16 is slidably connected to the inside of the moving groove 14. The cross section of the support frame 16 is in a U shape. A limiting shaft 17 is fixedly connected to the inside of the support frame 16. The position of the fixing plate 7 can be positioned and fixed through the limiting shaft 17.

[0026] Further, a spring 15 is fixedly connected to the top of the support frame 16. The top end of the spring 15 is fixedly connected to the inner wall of the moving groove 14. The spring 15 can be compressed and reset through the movement of the support frame 16.

[0027] Furthermore, a pull rod 12 is fixedly connected to the top of the support frame 16, and the top of the pull rod 12 slides through the inside of the movable groove 14 and extends to the inside of the positioning block 5. After the movable door of the box body 1 is opened by the staff, the pull rod 12 is moved upward by the staff to compress the spring 15, so that the support frame 16 drives the limit shaft 17 to move upward, and the limit shaft 17 releases the positioning of the right-angle surface of the fixed plate 7, so that the fixed plate 7 can slide out of the transmission groove 8 opened on the positioning block 5, thereby releasing the fixation of the fixed plate 7 to the sieve plate 13, so that the staff can more conveniently disassemble and clean the sieve plate 13, and at the same time make it more convenient to collect and take out the materials on the top of the sieve plate 13, so that the staff can The operating personnel can use the device more conveniently. At the same time, after the fixing plate 7 is rotated into the transmission groove 8 opened on the positioning block 5 by the operating personnel, the fixing plate 7 can push the limiting shaft 17 to move upward during the process of sliding into the transmission groove 8 opened on the positioning block 5 through the inclined surface set on the fixing plate 7, and the limiting shaft 17 drives the supporting frame 16 to move upward, so that the spring 15 is compressed, and the fixing plate 7 can slide into the transmission groove 8 opened on the positioning block 5 more smoothly. When the fixing plate 7 is rotated to a certain position, the spring 15 is reset to make the supporting frame 16 and the limiting shaft 17 move downward, so that the limiting shaft 17 can position and fix the fixing plate 7, and the fixing and release of the fixing plate 7 are more convenient.

[0028] Working principle: For this type of multi-stage screening device that is convenient for material collection, firstly, the nickel-aluminum alloy hydrogenation catalyst material is introduced into the interior of the box body 1, so that the material falls on the top of the screen plate 13, and the staff starts the motor 20, and the motor 20 drives the transmission frame 10 to rotate through the rotating shaft 11. At the same time, through the mutual cooperation of the transmission frame 10 and the transmission frame 9, the transmission frame 10 can drive the screening box 4 to move up and down, so that the material on the top of the screen plate 13 is flattened, so that the screening box 4 can screen the material on the top of the screen plate 13, and the staff moves the pull rod 12 upward to compress the spring 15, so that the support frame 16 drives the limit shaft 17 to move upward, and the limit shaft 17 releases the positioning of the right-angle surface of the fixed plate 7, so that the fixed plate 7 can slide out of the transmission groove 8 opened on the positioning block 5, so that the fixed plate 7 releases the fixation of the screen plate 13 by the fixed plate 7. The staff can disassemble and clean the sieve plate 13 more conveniently, and at the same time, the materials on the top of the sieve plate 13 can be collected and taken out more conveniently. At the same time, after the staff makes the fixed plate 7 rotate into the transmission groove 8 opened on the positioning block 5, the fixed plate 7 can push the limit shaft 17 to move upward during the process of sliding into the transmission groove 8 opened on the positioning block 5 through the inclined surface set on the fixed plate 7, and the limit shaft 17 drives the support frame 16 to move upward, so that the spring 15 is compressed, and the fixed plate 7 can slide more smoothly into the transmission groove 8 opened on the positioning block 5. When the fixed plate 7 rotates to a certain position, the spring 15 is reset to make the support frame 16 and the limit shaft 17 move downward, so that the limit shaft 17 can position and fix the fixed plate 7, and the fixing and release of the fixed plate 7 are more convenient.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage screening device for convenient material collection, comprising a box (1), characterized in that: Inside the box body (1), a screening box (4) is provided. An installation groove (19) extending to the outside of the screening box (4) is opened inside the screening box (4). A sieve plate (13) extending to the outside of the screening box (4) is slidably connected inside the installation groove (19). Two symmetrical transmission frames (9) are fixedly connected to the top of the screening box (4). The cross-section of the transmission frame (9) is in a square shape with an opening. One side of the box body (1) is fixedly connected with a motor (20). The output end of the motor (20) rotates through one side of the box body (1) and extends to the inside of the box body (1). The output end of the motor (20) is fixedly connected with a rotating shaft (11). The right surface inside the box body (1) is also rotatably connected with a rotating shaft (11). A transmission frame (10) is fixedly connected between the two rotating shafts (11).

2. A multi-stage screening device for convenient material collection according to claim 1, characterized in that: The cross-section of the transmission frame (10) is in a U shape. The transmission frame (10) is located inside the transmission frame (9), and the surface of the transmission frame (10) is movably connected with the inside of the transmission frame (9).

3. A multi-stage screening device for convenient material collection according to claim 1, characterized in that: A limiting groove (3) is opened inside the box body (1). A sliding block (18) is fixedly connected to the surface of the screening box (4). The surface of the sliding block (18) is slidably connected with the inside of the limiting groove (3).

4. A multi-stage screening device for convenient material collection according to claim 1, characterized in that: A positioning block (5) is fixedly connected to the front side of the screening box (4). A support block (6) is fixedly connected to the front side of the screening box (4). The support block (6) is arranged below the positioning block (5). Transmission grooves (8) are opened on the opposite sides of the positioning block (5) and the support block (6). A fixing plate (7) is rotatably connected inside the transmission groove (8) opened on the support block (6).

5. A multi-stage screening device for convenient material collection according to claim 4, characterized in that: The top of the fixing plate (7) is provided with an inclined surface.

6. A multi-stage screening device for convenient material collection according to claim 5, characterized in that: A moving groove (14) is opened inside the positioning block (5). The inside of the moving groove (14) is communicated with the inside of the transmission groove (8) opened on the positioning block (5). A support frame (16) is slidably connected inside the moving groove (14). The cross-section of the support frame (16) is in a U shape. A limiting shaft (17) is fixedly connected inside the support frame (16).

7. A multi-stage screening device for convenient material collection according to claim 6, characterized in that: A spring (15) is fixedly connected to the top of the support frame (16). The top end of the spring (15) is fixedly connected with the inner wall of the moving groove (14).

8. A multi-stage screening device for convenient material collection according to claim 7, characterized in that: A pull rod (12) is fixedly connected to the top of the support frame (16). The top of the pull rod (12) slidably penetrates through the inside of the moving groove (14) and extends to the inside of the positioning block (5).

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