Raw material screening device
By designing a raw material screening device containing a rubber sleeve and a guide plate, the problem of dust during activation powder screening is solved, which significantly reduces the risk of staff inhaling powdered materials and improves the safety of the working environment.
Patent Information
- Application Number
- CN202421290977.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-06
AI Technical Summary
In the prior art, dust is easily generated during the screening process of activated powder, causing staff to inhale powdery materials and affect their health.
A raw material screening device is designed, including a frame, a screen frame, a guide plate, a first and second rubber sleeves, a feed hopper and a slide. By providing a rubber sleeve and a guide plate, the top and bottom of the screen frame are closed to reduce the generation of dust.
It effectively reduces the occurrence of dust during the screening process, reduces the risk of staff inhaling powdered materials, and improves the safety of the working environment.
Smart Images
Figure CN222568386U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of screening devices, in particular to a raw material screening device. Background Art
[0002] Activated powder is mainly composed of calcium oxide and barium oxide, and is mainly used in industrial production, paint manufacturing and agricultural soil improvement.
[0003] In the current existing technology, during the production process of activated powder, the staff needs to screen the powdered raw materials to ensure that the particle size of the raw materials is uniform. The screening will use a screening device, which is mainly composed of a screen frame, a frame and a screen plate. The screen frame is installed on the frame, and the screen plate is installed at the bottom of the screen plate. The screen plate is provided with sieve holes. The staff pours the powdered raw materials into the screen frame and shakes the screen frame to screen the raw materials. Qualified powdered raw materials will fall from the bottom of the screen frame.
[0004] However, during use, shaking the screen frame will cause the powdered raw materials to be lifted up and dispersed in the air, thereby generating dust. The dust is easily inhaled by the workers, thereby affecting their health. Therefore, a raw material screening device is proposed to address the above problem. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a raw material screening device.
[0006] The technical solution adopted by the utility model to solve its technical problems is: a raw material screening device described in the utility model comprises a frame; a screen frame is provided on the frame; a screen plate is fixedly connected to the inner side wall of the screen frame; a material guide plate is fixedly connected to the frame; the material guide plate is located at the bottom of the screen frame; a first rubber sleeve is fixedly connected between the material guide plate and the screen frame; a feed hopper is provided on the top of the frame; a second rubber sleeve is fixedly connected between the bottom of the feed hopper and the screen frame; a slide seat is fixedly connected to the frame; a slider is fixedly connected to the side wall of the screen frame; the slider is slidably connected to the slide seat.
[0007] Preferably, a driving motor is fixedly connected to the bottom of the frame; a transmission shaft is rotatably connected to the frame; a belt is installed between the transmission shaft and the output end of the driving motor; a cam is fixedly connected to the end of the transmission shaft; a connecting rod is rotatably connected to the cam; and the end of the connecting rod is rotatably connected to the side wall of the screen frame.
[0008] Preferably, a support rod is fixedly connected to the sliding seat; the support rod passes through the sliding block and is slidably connected thereto; and a spring is fixedly connected between the sliding block and the inner side wall of the sliding seat.
[0009] Preferably, the top of the feed hopper is fixedly connected to a box body; the top of the box body is fixedly connected to an inlet hopper; a pair of closing plates are fixedly connected to the inside of the box body; a material roller is rotatably connected to the middle of the box body; a feeding motor is fixedly connected to the side of the box body; the output end of the feeding motor is fixedly connected to the material roller; and a groove is provided on the material roller.
[0010] Preferably, the screen frame and the guide plate are both inclined; the bottom of the screen frame is slidably connected to a first row of hoppers; the bottom of the guide plate is slidably connected to a second row of hoppers; the first row of hoppers and the second row of hoppers are both fixedly connected to the frame; the bottoms of the first row of hoppers and the second row of hoppers are both fixedly connected to flexible tubes.
[0011] Preferably, a plurality of damping spring shock absorbers are fixedly connected to the top of the frame; and the damping spring shock absorbers are fixedly connected to the bottom side of the feed hopper.
[0012] The utility model is beneficial in that:
[0013] 1. The utility model is provided with a first rubber sleeve, a second rubber sleeve, a guide hopper and a feed hopper. When in use, the staff pours the raw materials into the hopper, and then covers the top of the feed hopper with a lid to seal the top, and then shakes the screen frame to complete the screening of the raw materials. The guide plate is used to receive the screened raw materials, and the large-particle raw materials are located on the top of the screen plate. The first rubber sleeve and the second rubber sleeve are used to seal the top and bottom of the screen frame, so as to reduce the dust generated during the screening process, thereby reducing the health effects of the staff inhaling powdered materials during the screening process;
[0014] 2. The utility model is provided with a box body, a material roller, a closing plate, a feed hopper and a feeding motor. When in use, the closing plates on both sides are fitted with the material roller, and the space on the top of the feed hopper is divided into two layers by the material roller, and the material roller closes it, thereby reducing the dust floating out during screening. When feeding, the powdered material enters the groove on the material roller, and then the feeding motor drives the material roller to rotate, thereby pouring the material into the interior of the feed hopper. The feeding motor is a servo motor, and the amount of feeding can be controlled by controlling the rotation speed of the material roller. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model 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 utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the first rubber sleeve of the utility model;
[0018] Figure 3 This is a schematic diagram of the cam structure of the utility model;
[0019] Figure 4 It is a schematic structural diagram of a box body cross-section of the present utility model.
[0020] In the figure: 11, frame; 12, screen frame; 13, guide plate; 14, first rubber sleeve; 15, second rubber sleeve; 16, feed hopper; 17, slide seat; 18, slider; 21, drive motor; 22, transmission shaft; 23, cam; 24, connecting rod; 3, support rod; 41, box body; 42, feed hopper; 43, material roller; 44, closing plate; 45, feed motor; 51, first row hopper; 52, second row hopper; 53, flexible tube; 6, damping spring shock absorber; 7, impact bump. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Specific examples are given below.
[0023] See also Figure 1-3 As shown, a raw material screening device comprises a frame 11; a screen frame 12 is provided on the frame 11; a screen plate is fixedly connected to the inner side wall of the screen frame 12; a guide plate 13 is fixedly connected to the frame 11; the guide plate 13 is located at the bottom of the screen frame 12; a first rubber sleeve 14 is fixedly connected between the guide plate 13 and the screen frame 12; a feed hopper 16 is provided on the top of the frame 11; a second rubber sleeve 15 is fixedly connected between the bottom of the feed hopper 16 and the screen frame 12; a slide seat 17 is fixedly connected to the frame 11; a slider 18 is fixedly connected to the side wall of the screen frame 12; the slider 18 and the slide seat 1 7 Sliding connection; when in use, the staff pours the raw materials into the hopper 42, and then covers the top of the hopper 42 with a lid to seal the top, and then shakes the screen frame 12 to complete the screening of the raw materials. The guide plate 13 is used to receive the screened raw materials, and the large particles of raw materials are located on the top of the screen plate. The first rubber sleeve 14 and the second rubber sleeve 15 are used to seal the top and bottom of the screen frame 12, so as to reduce the dust during the screening process, thereby reducing the health effects of the staff inhaling powdered materials during the screening process.
[0024] Further, such as Figure 3 As shown, a driving motor 21 is fixedly connected to the bottom of the frame 11; a transmission shaft 22 is rotatably connected to the frame 11; a belt is installed between the transmission shaft 22 and the output end of the driving motor 21; a cam 23 is fixedly connected to the end of the transmission shaft 22; a connecting rod 24 is rotatably connected to the cam 23; the end of the connecting rod 24 is rotatably connected to the side wall of the screen frame 12; a support rod 3 is fixedly connected to the slide seat 17; the support rod 3 passes through the slider 18 and is slidably connected thereto; a Spring; when in use, the driving motor 21 will drive the transmission shaft 22 to rotate through the belt, and the rotation of the transmission shaft 22 will drive the screen frame 12 to reciprocate through the cam 23 and the connecting rod 24, so that the screen plate reciprocates, which can facilitate the screening of the raw materials. During the movement of the screen frame 12, the slider 18 slides on the slide seat 17, and the slider 18 and the slide seat 17 can support and guide it. The screen frame 12 can be further limited by setting the support rod 3 to improve the stability of its movement.
[0025] Further, such as Figure 2 and 4 As shown, the top of the feed hopper 16 is fixedly connected to a box body 41; the top of the box body 41 is fixedly connected to an inlet hopper 42; a pair of closing plates 44 are fixedly connected to the inside of the box body 41; a material roller 43 is rotatably connected to the middle part of the box body 41; a feeding motor 45 is fixedly connected to the side of the box body 41; the output end of the feeding motor 45 is fixedly connected to the material roller 43; a groove is provided on the material roller 43; when in use, the closing plates 44 on both sides are fitted with the material roller 43, and the space at the top of the feed hopper 16 is divided into two layers by means of the material roller 43, and the material roller 43 closes it, thereby reducing the dust from floating during screening. When feeding, the powdered material enters the groove on the material roller 43, and then the feeding motor 45 drives the material roller 43 to rotate, so as to pour the material into the inside of the feed hopper 16. The feeding motor 45 is a servo motor, and the amount of feeding can be controlled by controlling the rotation speed of the material roller 43.
[0026] Further, such as Figure 1-2As shown, the screen frame 12 and the guide plate 13 are both inclined; the bottom of the screen frame 12 is slidably connected to a first row of hoppers 51; the bottom of the guide plate 13 is slidably connected to a second row of hoppers 52; the first row of hoppers 51 and the second row of hoppers 52 are both fixedly connected to the frame 11; the bottoms of the first row of hoppers 51 and the second row of hoppers 52 are both fixedly connected to a flexible tube 53; when in use, the first row of hoppers 51 and the second row of hoppers 52 are fixedly connected to the frame 11, and the first row of hoppers 51 and the second row of hoppers 52 are used to facilitate the discharge of materials on the screen plate and the guide plate 13, and the flexible tube 53 is directly inserted into the corresponding container to facilitate the collection and discharge of materials.
[0027] Further, such as Figure 2-3 As shown, a plurality of damping spring shock absorbers 6 are fixedly connected to the top of the frame 11; the damping spring shock absorbers 6 are fixedly connected to the bottom side of the feed hopper 16; when in use, the damping spring shock absorbers 6 can play a shock-absorbing role, thereby reducing the vibration of the frame 11 transmitted to the feed hopper 42, causing the powder in the feed hopper 42 to vibrate and be lifted up.
[0028] Further, such as Figure 3 As shown, a plurality of impact bumps 7 are fixedly connected to the top side of the screen plate. When in use, large pieces of material will vibrate and be screened on the screen plate. During the screening process, they will roll and collide with the impact bumps 7, thereby crushing them into smaller pieces.
[0029] Working principle: when in use, the staff pours the raw materials into the hopper 42, and then covers the top of the hopper 42 with a lid to seal the top, and then shakes the screen frame 12 to complete the screening of the raw materials. The guide plate 13 is used to receive the screened raw materials, and the large particles of raw materials are located on the top of the screen plate. The top and bottom of the screen frame 12 are sealed by the first rubber sleeve 14 and the second rubber sleeve 15, so as to reduce the dust generated during the screening process, thereby reducing the health effects of the staff inhaling powdered materials during the screening process. The driving motor 21 will drive the transmission shaft 22 to rotate through the belt, and the rotation of the transmission shaft 22 will drive the screen frame 12 to reciprocate through the cam 23 and the connecting rod 24, so that the screen plate reciprocates, which can facilitate the screening of the raw materials. During the movement of the screen frame 12, the slider 18 slides on the slide seat 17, and the slider 18 and the slide seat 17 can support and guide it, and the support rod 3 is set. The screen frame 12 can be further limited to improve the stability of its movement. The closing plates 44 on both sides are fitted with the material rollers 43. The space at the top of the feed hopper 16 is divided into two layers by the material rollers 43, and the material rollers 43 close it, thereby reducing the dust from sieving. When feeding, the powdered material enters the groove on the material rollers 43, and then the feeding motor 45 drives the material rollers 43 to rotate, so as to pour the material into the inside of the feed hopper 16. The feeding motor 45 is a servo motor, which can control the speed of the material rollers 43. In order to control the amount of feed, the first row of hoppers 51 and the second row of hoppers 52 are fixedly connected to the frame 11, and the first row of hoppers 51 and the second row of hoppers 52 are used to facilitate the discharge of materials on the screen plate and the guide plate 13. The flexible tube 53 is directly inserted into the corresponding container to facilitate the collection and discharge of materials. The damping spring shock absorber 6 can play a shock-absorbing role, thereby reducing the vibration of the frame 11 transmitted to the feed hopper 42, causing the powder in the feed hopper 42 to vibrate and be lifted.
[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A raw material screening device, comprising a frame (11); a screen frame (12) is provided on the frame (11); a screen plate is fixedly connected to the inner side wall of the screen frame (12); characterized in that: A material guide plate (13) is fixedly connected to the frame (11); the material guide plate (13) is located at the bottom of the screen frame (12); a first rubber sleeve (14) is fixedly connected between the material guide plate (13) and the screen frame (12); a feed hopper (16) is provided at the top of the frame (11); a second rubber sleeve (15) is fixedly connected between the bottom of the feed hopper (16) and the screen frame (12); a slide seat (17) is fixedly connected to the frame (11); a sliding block (18) is fixedly connected to the side wall of the screen frame (12); and the sliding block (18) is slidably connected to the sliding seat (17).
2. A raw material screening device according to claim 1, characterized in that: A driving motor (21) is fixedly connected to the bottom of the frame (11); a transmission shaft (22) is rotatably connected to the frame (11); a belt is installed between the transmission shaft (22) and the output end of the driving motor (21); a cam (23) is fixedly connected to the end of the transmission shaft (22); a connecting rod (24) is rotatably connected to the cam (23); and an end of the connecting rod (24) is rotatably connected to a side wall of the screen frame (12).
3. A raw material screening device according to claim 2, characterized in that: A support rod (3) is fixedly connected to the sliding seat (17); the support rod (3) passes through the sliding block (18) and is slidably connected thereto; a spring is fixedly connected between the sliding block (18) and the inner side wall of the sliding seat (17).
4. A raw material screening device according to claim 1, characterized in that: The top of the feed hopper (16) is fixedly connected to a box body (41); the top of the box body (41) is fixedly connected to an inlet hopper (42); a pair of closing plates (44) are fixedly connected inside the box body (41); a material roller (43) is rotatably connected to the middle of the box body (41); a feeding motor (45) is fixedly connected to the side of the box body (41); the output end of the feeding motor (45) is fixedly connected to the material roller (43); and a groove is provided on the material roller (43).
5. A raw material screening device according to claim 1, characterized in that: The screen frame (12) and the guide plate (13) are both arranged at an inclination; the bottom of the screen frame (12) is slidably connected to a first row of hoppers (51); the bottom of the guide plate (13) is slidably connected to a second row of hoppers (52); the first row of hoppers (51) and the second row of hoppers (52) are both fixedly connected to the frame (11); the bottoms of the first row of hoppers (51) and the second row of hoppers (52) are both fixedly connected to flexible pipes (53).
6. A raw material screening device according to claim 1, characterized in that: A plurality of damping spring shock absorbers (6) are fixedly connected to the top of the frame (11); the damping spring shock absorbers (6) are fixedly connected to the bottom side of the feed hopper (16).