A raw material screening device
By designing a raw material screening device that includes a closed structure and a servo motor, the dust problem during raw material screening in the production of polishing resin is solved, and the effect of reducing dust drifting and improving production safety is achieved.
Patent Information
- Application Number
- CN202421078317.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-16
AI Technical Summary
During the production of polishing resin, there are clusters and granular substances in the raw materials, resulting in dust emitting during screening of powdered raw materials, polluting the working environment and affecting the health of staff.
A raw material screening device is designed, including a box, a screening assembly, a feeding assembly and a hydraulic cylinder, which reduces dust through the closed structure of the box, a connecting seat, a feeding frame and a fixed cover. At the same time, through the coordination of the servo motor and a cam, the shaking and lifting of the feeding frame is achieved, which facilitates the pouring and screening of the raw material.
It effectively reduces dust during raw material screening, reduces the harm to the working environment and staff health, and improves the safety and efficiency of the production process.
Smart Images
Figure CN222695307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of resin production, in particular to a raw material screening device. Background Art
[0002] Glazing resin is a type of resin, which is mainly used to improve the surface gloss and texture of printed materials. Glazing resin has good wear resistance, water resistance and chemical corrosion resistance, and can maintain stable performance in various environments.
[0003] In the current existing technology, during the production process of glazing resin, due to storage or raw material quality reasons, the raw materials contain clumping and granular raw materials. The staff needs to screen the raw materials before production. The screening mainly relies on a screening frame. A screen is provided inside the screening frame. The holes in the screen are used to screen out the particles and clumping raw materials in the powdered raw materials.
[0004] However, when screening powdered raw materials, the shaking of the screening frame will cause the powdered materials to be lifted up, generating dust, thereby polluting the working environment air and affecting the health of the workers; therefore, a raw material screening device is proposed to address the above problems. 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 box body is fixedly connected to the frame; a screening assembly is arranged inside the box body; a discharge valve is fixedly connected to the bottom of the box body; a feeding seat is fixedly connected to the side of the box body; a driving assembly is arranged on the frame; a connecting seat is arranged on the side of the box body close to the feeding seat; both sides of the connecting seat are rotatably connected with a rotating shaft; the end of the rotating shaft is fixedly connected to a feeding frame; a fixed cover is hingedly connected to the side of the feeding frame away from the connecting seat; a hydraulic cylinder is hingedly connected between the top side of the fixed cover and the top side of the feeding frame; fixed teeth are fixedly connected to the fixed cover; a feeding assembly is arranged on the connecting seat, which relies on the box body, the connecting seat, the feeding frame and the fixed cover to play a sealing role when pouring raw materials and screening, thereby reducing dust and thus reducing harm to the body of the staff, and the discharge valve is used to control the opening and closing of the discharge.
[0007] Preferably, the driving assembly includes a lifting motor; a screw rod is rotatably connected to one side of the frame close to the feed seat; the lifting motor is fixed to the top of the screw rod; the screw rod and the feed frame are connected by a ball screw nut pair; a guide rod is fixed to the frame; the guide rod is slidably connected to the feed frame, and the lifting motor drives the screw rod to rotate, so as to lift the feed frame to be in close connection with the feed seat, and the guide rod is used to guide the feed frame.
[0008] Preferably, the screening assembly includes a screening frame; the bottom of the screening frame is slidably connected to the box body via a slide rail; a screening motor is fixedly connected to the side wall of the box body; a transmission shaft is fixedly connected to the output end of the screening motor; a plurality of cams are fixedly connected to the transmission shaft; a first spring is fixedly connected between the screening frame and the inner side wall of the box body; a material guide plate is fixedly connected to the bottom of the feed seat, and during the screening process, starting the screening motor will drive the transmission shaft and the cam to rotate, thereby pushing the screening frame to perform reciprocating screening, and the first spring is used to reset the screening frame.
[0009] Preferably, the feeding assembly includes a servo motor; the servo motor is fixedly connected to the side of the connecting seat; a first gear is fixedly connected to the end of the rotating shaft; a second gear is fixedly connected to the output end of the servo motor; the first gear and the second gear are meshed with each other; a blade is fixedly connected to the top inner wall of the connecting seat. Relying on the above arrangement, it is convenient to pour the resin raw material into the box body, and the feeding frame can be shaken by controlling the servo motor to facilitate the pouring of the resin raw material.
[0010] Preferably, an elastic cover is fixed between the connecting seat and the feeding frame; a rubber membrane is fixed between the two sides of the screening frame and the inner wall of the box body. The elastic cover can be used to seal the connection between the connecting seat and the feeding frame, thereby reducing dust from floating out of the gap at the connection, thereby reducing dust.
[0011] Preferably, a cover plate is slidably connected to the feed seat; a second spring is fixedly connected between the cover plate and the top side of the feed seat; the cover plate is located on the side of the feed seat away from the box body. Relying on the above arrangement, the cover plate will reset under the action of the second spring to close the feed seat, thereby reducing the outflow of dust in the box body and reducing the dust emission.
[0012] The utility model is beneficial in that:
[0013] 1. The utility model relies on the box body, the connecting seat, the feeding frame and the fixed cover, so that when the raw materials are poured in and screened, it can play a sealing role, isolate the screening frame from the outside world, thereby reducing the dust, reducing the powdered raw materials from floating into the air, thereby reducing the pollution to the working environment, and thus reducing the harm to the workers;
[0014] 2. The utility model sets a cover plate and a second spring. When the feed seat and the connecting seat are in contact, the connecting seat will move up through the top plate. When the connecting seat moves down, the staff will put the bagged resin raw material into the feed frame. At this time, the cover plate will be reset and closed under the action of the second spring, thereby reducing the dust in the box from floating out, thereby reducing the dust. 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 schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the feed hopper of the utility model;
[0018] Figure 3 This is a schematic diagram of the fixed cover 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, box body; 13, unloading valve; 14, feed frame; 15, fixed cover; 16, connecting seat; 17, feed seat; 18, hydraulic cylinder; 19, fixed teeth; 21, lifting motor; 22, screw rod; 23, guide rod; 31, screening frame; 32, screening motor; 33, cam; 34, guide plate; 41, servo motor; 42, blade; 51, elastic cover; 52, rubber membrane; 61, cover plate; 62, second spring; 7, base. 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 1-4As shown, a raw material screening device comprises a frame 11; a box 12 is fixedly connected to the frame 11; a screening assembly is arranged inside the box 12; a discharge valve 13 is fixedly connected to the bottom of the box 12; a feed seat 17 is fixedly connected to the side of the box 12; a driving assembly is arranged on the frame 11; a connecting seat 16 is arranged on one side of the box 12 close to the feed seat 17; a rotating shaft is rotatably connected to both sides of the connecting seat 16; a feeding frame 1 is fixedly connected to the end of the rotating shaft 4; a fixed cover 15 is hingedly connected to the side of the feed frame 14 away from the connecting seat 16; a hydraulic cylinder 18 is hingedly connected between the top side of the fixed cover 15 and the top side of the feed frame 14; a fixed tooth 19 is fixedly connected to the fixed cover 15; a feeding assembly is provided on the connecting seat 16; the driving assembly includes a lifting motor 21; a screw rod 22 is rotatably connected to the side of the frame 11 close to the feed seat 17; the lifting motor 21 is fixedly connected to the top of the screw rod 22; the screw rod 22 and the feed frame 14 are connected to each other. The frames 14 are connected by a ball screw nut pair; a guide rod 23 is fixedly connected to the frame 11; the guide rod 23 is slidably connected to the feed frame 14; when in use, the staff pushes the resin raw material bag into the feed frame 14, and then starts the hydraulic cylinder 18, the hydraulic cylinder 18 pushes the fixed cover 15 to rotate downward and close, and relies on the fixed teeth 19 to clamp the end of the raw material bag, and relies on the feed frame 14 and the fixed cover 15 to close, thereby reducing the dust when pouring the raw material, and playing a role in reducing dust, and then relies on the lifting motor 21 to drive the screw rod 22 to rotate, so as to lift the feed frame 14 to fit and connect with the feed seat 17, the guide rod 23 is used to guide the feed frame 14, relying on the box body 12, the connecting seat 16, the feed frame 14 and the fixed cover 15, so that it can play a sealing role when pouring the raw material and screening, thereby reducing the dust, thereby reducing the harm to the staff's body, and the discharge valve 13 is used to control the opening and closing of the discharge.
[0024] Further, such as Figure 4 As shown, the screening assembly includes a screening frame 31; the bottom of the screening frame 31 is slidably connected to the box body 12 through a slide rail; a screening motor 32 is fixedly connected to the side wall of the box body 12; the output end of the screening motor 32 is fixedly connected to a transmission shaft; a plurality of cams 33 are fixedly connected to the transmission shaft; a first spring is fixedly connected between the screening frame 31 and the inner side wall of the box body 12; a material guide plate 34 is fixedly connected to the bottom of the feed seat 17; when in use, the material guide plate 34 can facilitate the entry of raw materials into the interior of the screening frame 31, and the screening frame 31 is used to screen the raw materials. During the screening process, starting the screening motor 32 will drive the transmission shaft and the cam 33 to rotate, thereby pushing the screening frame 31 to perform reciprocating screening, and the first spring is used to reset the screening frame 31.
[0025] Further, such as Figure 2-3As shown, the loading assembly includes a servo motor 41; the servo motor 41 is fixedly connected to the side of the connecting seat 16; the end of the rotating shaft is fixedly connected to a first gear; the output end of the servo motor 41 is fixedly connected to a second gear; the first gear and the second gear are meshed with each other; a blade 42 is fixedly connected to the top inner wall of the connecting seat 16; after the connecting seat 16 and the feeding seat 17 are fitted, the staff starts the servo motor 41, and then first rotates the feeding frame 14 clockwise to make the resin raw material bag contact with the blade 42, thereby playing the role of cutting the resin raw material bag, thereby reducing the process of the staff manually cutting the resin raw material bag, and then controlling the feeding frame 14 to rotate counterclockwise and tilt, so that it is convenient to pour the resin raw material into the box body 12, and the servo motor 41 can be controlled to make the feeding frame 14 shake to facilitate the pouring of the resin raw material.
[0026] Further, such as Figure 3-4 As shown, an elastic cover 51 is fixed between the connecting seat 16 and the feeding frame 14; a rubber membrane 52 is fixed between the two sides of the screening frame 31 and the inner wall of the box body 12; when in use, the elastic cover 51 and the rubber membrane 52 are both made of rubber, and the elastic cover 51 can be used to seal the connection between the connecting seat 16 and the feeding frame 14, thereby reducing dust from floating out of the gap at the connection, thereby reducing dust.
[0027] Further, such as Figure 4 As shown, a cover plate 61 is slidably connected to the feed seat 17; a second spring 62 is fixedly connected between the cover plate 61 and the top side of the feed seat 17; the cover plate 61 is located on the side of the feed seat 17 away from the box body 12; when the feed seat 17 is in contact with the connecting seat 16, the connecting seat 16 will move up through the top plate, and when the connecting seat 16 moves down, the staff will put the bagged resin raw material into the feed frame 14, and at this time the cover plate 61 will be reset and closed under the action of the second spring 62, thereby reducing the dust in the box body 12 from floating out, thereby reducing the dust.
[0028] Further, such as Figure 1 As shown, a base 7 is fixedly connected to the bottom of the side of the feed frame 14 away from the box body 12. When in use, the base 7 is used to support the feed frame 14, and it plays a supporting role when it is on the ground.
[0029] Working principle: when in use, the staff pushes the resin raw material bag into the feed frame 14, and then starts the hydraulic cylinder 18. The hydraulic cylinder 18 pushes the fixed cover 15 to rotate downward and close, and relies on the fixed teeth 19 to clamp the end of the raw material bag. The feed frame 14 and the fixed cover 15 are closed, thereby reducing the dust when pouring the raw material, and playing a role in reducing dust. Then, the lifting motor 21 drives the screw rod 22 to rotate, so as to lift the feed frame 14 to fit and connect with the feed seat 17. The guide rod 23 is used to guide the feed frame 14. The box body 12, the connecting seat 16, the feeding frame 14 and the fixed cover 15 can play a sealing role when pouring the raw materials and screening, thereby reducing the dust and reducing the harm to the workers. The unloading valve 13 is used to control the opening and closing of the unloading. The guide plate 34 can facilitate the raw materials to enter the interior of the screening frame 31. The raw materials are screened by the screening frame 31. During the screening process, starting the screening motor 32 will drive the transmission shaft and the cam 33 to rotate, thereby pushing the screening frame 31 to perform reciprocating screening. The first spring is used The screening frame 31 is reset, and after the connection seat 16 and the feeding seat 17 are fitted, the staff starts the servo motor 41, and then first rotates the feeding frame 14 clockwise to make the resin raw material bag contact with the blade 42, so as to play the role of cutting the resin raw material bag, thereby reducing the process of the staff manually cutting the resin raw material bag, and then controls the feeding frame 14 to rotate and tilt counterclockwise, so that it is convenient to pour the resin raw material into the box body 12, and the servo motor 41 can be controlled to make the feeding frame 14 shake, which is convenient for pouring the resin raw material. The elastic cover 51 and the rubber membrane 52 are both made of rubber material. The elastic cover 51 can be used to seal the connection between the connecting seat 16 and the feeding frame 14, thereby reducing the dust from the gap at the connection, thereby reducing the dust. When the feeding seat 17 is in contact with the connecting seat 16, the connecting seat 16 will move up through the top plate. When the connecting seat 16 moves down, the staff will put the bagged resin raw material into the feeding frame 14. At this time, the cover plate 61 will be reset and closed under the action of the second spring 62, thereby reducing the dust in the box body 12 from floating out, thereby reducing the dust.
[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, characterized in that: The invention comprises a frame (11); a box body (12) is fixedly connected to the frame (11); a screening assembly is arranged inside the box body (12); a discharge valve (13) is fixedly connected to the bottom of the box body (12); a feed seat (17) is fixedly connected to the side of the box body (12); a driving assembly is arranged on the frame (11); a connecting seat (16) is arranged on the side of the box body (12) close to the feed seat (17); both sides of the connecting seat (16) are rotatably connected to a rotating shaft; a feed frame (14) is fixedly connected to the end of the rotating shaft; a fixed cover (15) is hingedly connected to the side of the feed frame (14) away from the connecting seat (16); a hydraulic cylinder (18) is hingedly connected between the top side of the fixed cover (15) and the top side of the feed frame (14); a fixing tooth (19) is fixedly connected to the fixed cover (15); and a feeding assembly is arranged on the connecting seat (16).
2. A raw material screening device according to claim 1, characterized in that: The driving assembly comprises a lifting motor (21); a screw rod (22) is rotatably connected to one side of the frame (11) close to the feed seat (17); the lifting motor (21) is fixedly connected to the top of the screw rod (22); the screw rod (22) and the feed frame (14) are connected via a ball screw nut pair; a guide rod (23) is fixedly connected to the frame (11); and the guide rod (23) is slidably connected to the feed frame (14).
3. A raw material screening device according to claim 1, characterized in that: The screening component comprises a screening frame (31); the bottom of the screening frame (31) is slidably connected to the box body (12) via a slide rail; a screening motor (32) is fixedly connected to the side wall of the box body (12); the output end of the screening motor (32) is fixedly connected to a transmission shaft; a plurality of cams (33) are fixedly connected to the transmission shaft; a first spring is fixedly connected between the screening frame (31) and the inner side wall of the box body (12); and a guide plate (34) is fixedly connected to the bottom of the feed seat (17).
4. A raw material screening device according to claim 1, characterized in that: The feeding assembly comprises a servo motor (41); the servo motor (41) is fixedly connected to the side of the connecting seat (16); a first gear is fixedly connected to the end of the rotating shaft; a second gear is fixedly connected to the output end of the servo motor (41); the first gear and the second gear are meshed with each other; and a blade (42) is fixedly connected to the top inner wall of the connecting seat (16).
5. A raw material screening device according to claim 3, characterized in that: An elastic cover (51) is fixedly connected between the connecting seat (16) and the feeding frame (14); and a rubber membrane (52) is fixedly connected between the two sides of the screening frame (31) and the inner wall of the box body (12).
6. A raw material screening device according to claim 1, characterized in that: A cover plate (61) is slidably connected to the feed seat (17); a second spring (62) is fixedly connected between the cover plate (61) and the top side of the feed seat (17); and the cover plate (61) is located on a side of the feed seat (17) away from the box body (12).