CN215703181U

CN215703181U - A multistage sieving mechanism for moulding powder sieves

Info

Publication number: CN215703181U
Application number: CN202121475774.1U
Authority: CN
Inventors: 王家冈; 王嘉杰
Original assignee: Jiangsu Yuanjie New Material Technology Co ltd
Current assignee: Jiangsu Yuanjie New Material Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-01
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a multistage screening device for plastic powder screening, which relates to the technical field of plastic powder production and comprises a box body: the lower end of the box body is fixedly connected with a base, a rotating motor is fixedly connected inside the base, the upper end of the rotating motor is rotatably connected with a rotating shaft, the upper end of the rotating shaft sequentially penetrates through the base and the box body, a first-stage screen is fixedly connected to the upper end of the inner part of the box body, a second-stage screen is fixedly connected to the inner part of the box body, a material guide plate is fixedly connected to the lower end of the inner part of the box body, shaft sleeves are fixedly connected to the middle parts of the first-stage screen, the second-stage screen and the material guide plate in a penetrating manner, and the rotating shaft sequentially penetrates through the three shaft sleeves; scrape the flitch through the setting and be convenient for scrape sweep and mould the powder, improve screening efficiency, and elasticity through the return spring can reduce to scrape the flitch and is taken place by the dead condition of card to scrape the flitch and can carry out the timing, avoided scraping the flitch and blocked the back by the condition of whole change, and mould the automatic discharge of following the box of powder in of being convenient for.

Description

A multistage sieving mechanism for moulding powder sieves

Technical Field

The utility model relates to the technical field of molding powder production, in particular to a multistage screening device for molding powder screening.

Background

The powder coating is a formula material which is prepared by taking synthetic resin as a base material and matching with pigment and filler, is a novel decorative material which is rapidly developed in recent years, has the characteristics of energy conservation, low pollution, high efficiency, high performance and the like, is high in coating efficiency and good in corrosion resistance as a solvent-free coating, can form a film once, is convenient to store and transport, and is increasingly popular with people, and the thermoplastic powder coating is prepared by dry mixing or melting, mixing, crushing, sieving and grading thermoplastic resin, pigment, filler, plasticizer, stabilizer and the like.

Present multistage sieving mechanism for moulding powder sieves, because mould the powder and be not of uniform size after being crushed, if do not carry out multistage screening to moulding powder, will influence the whole quality of moulding powder, but in the middle of the process of carrying out the screening to moulding powder, scrape the material structure and be died by moulding powder card easily, the scraping material structure after the card dies is difficult to carry out the timing moreover, the life that leads to scraping the material structure is not good, thereby need to change whole scraping material structure, economical and practical inadequately, and mould the powder after having screened, mould the powder and be difficult to from the automatic discharge in the box, thereby row material efficiency has been reduced, for this, we propose a multistage sieving mechanism for moulding powder, in order to solve the above-mentioned technical problem who proposes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-stage screening device for plastic powder screening, which aims to solve the problems that a scraping structure provided by the background technology is easy to block and difficult to adjust after blocking, so that the scraping structure needs to be integrally replaced, the device is not economical and practical enough, the discharging efficiency is not good, and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a multistage sieving mechanism for moulding powder sieves, includes the box:

the lower end of the box body is fixedly connected with a base, a rotating motor is fixedly connected inside the base, the upper end of the rotating motor is rotatably connected with a rotating shaft, the upper end of the rotating shaft sequentially penetrates through the base and the box body, the upper end of the inside of the box body is fixedly connected with a first-stage screen, the middle part of the inside of the box body is fixedly connected with a second-stage screen, the lower end of the inside of the box body is fixedly connected with a material guide plate, the middle parts of the first-stage screen, the second-stage screen and the material guide plate all penetrate through fixedly connected shaft sleeves, the rotating shaft sequentially penetrates through three shaft sleeves, the rotating shaft is rotatably connected with the shaft sleeves, the left side and the right side of the rotating shaft are respectively positioned at the upper ends of the first-stage screen, the second-stage screen and the material guide plate, a movable rod is arranged inside the rotating shaft, four guide blocks are fixedly connected at the periphery of the movable rod, and four guide grooves are formed in the inner wall of the rotating shaft, the guide block is connected with the guide groove in a sliding manner, the left side and the right side of the movable rod are positioned in the through grooves and are fixedly connected with a scraping rod, the tail end of the scraping rod penetrates out of the through grooves, the scraping rod is movably connected with the through grooves, the lower end of the scraping rod is fixedly connected with a plurality of telescopic hoses, a scraping plate is fixedly connected between the lower ends of the telescopic hoses, the lower end of the scraping rod is positioned in the telescopic hoses and is fixedly connected with a return spring, the lower end of the return spring is fixedly connected with the scraping plate, the top end in the box body is fixedly connected with a sleeve, the rotating shaft is rotatably connected with the sleeve, the right end of the box body is connected with a first discharge pipe, a second discharge pipe and a third discharge pipe, the left side of the upper end of the box body is connected with a feed hopper, the middle part of the upper end of the box body is fixedly connected with a fixed box, and the top end in the inner part of the fixed box is fixedly connected with an electric telescopic shaft, just the movable rod upper end rotates and is connected with the connecting rod, just the connecting rod upper end runs through in proper order and turns to axle, sleeve pipe, box and fixed box, connecting rod and sleeve pipe, box and fixed box swing joint, just connecting rod upper end and electric telescopic shaft lower extreme fixed connection.

Furthermore, the first-stage screen, the second-stage screen and the material guide plate are arranged in a splayed shape, and two adjacent scraping rods are arranged in a splayed shape.

Furthermore, the screening aperture of the primary screen is larger than that of the secondary screen.

Furthermore, the two adjacent scraping plates are arranged in a splayed mode and are composed of elastic rubber.

Further, feeder hopper, row material pipe one, row material pipe two and arrange that material pipe three all communicates with each other with the box, just it all slopes down to set up to arrange material pipe one, row material pipe two and row material pipe three, arrange one side that material pipe is adjacent to the one-level screen cloth, arrange one side that material pipe two are adjacent to the second grade screen cloth, just it is adjacent to one side of stock guide to arrange material pipe three.

Compared with the prior art, the utility model has the following beneficial effects:

the plastic powder is sequentially screened by the first-stage screen and the second-stage screen, so that three plastic powders with different sizes can be screened, the plastic powder is swept by the scraper plate, the plastic powder is conveniently and uniformly spread, the screening efficiency of the plastic powder is improved, the scraper plate is elastically buffered by the return spring, the occurrence of the blocking of the scraper plate and the first-stage screen, the second-stage screen and the guide plate can be reduced, the smoothness of the scraper plate during sweeping is improved, even if the scraper plate is blocked, the interval between the scraper plate and the first-stage screen, the second-stage screen and the guide plate can be conveniently adjusted by the expansion of the electric telescopic shaft, so that the scraper plate can still be calibrated after being blocked, the scraper plate can be continuously rotated for use, the situation of replacing the whole scraper structure is avoided, the plastic powder screening machine is more economical and practical, and the first-stage screen, the second-stage screen and the guide plate are arranged in an eight-shaped form, the plastic powder is automatically discharged from the first discharging pipe, the second discharging pipe and the third discharging pipe, and the discharging efficiency of the plastic powder is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged partial structural view of the utility model A;

FIG. 3 is a schematic view of a partial enlarged structure B of the present invention

Fig. 4 is a schematic view of the internal structure of the rotating shaft of the present invention.

In FIGS. 1-4: the device comprises a box body 1, a base 2, a rotating motor 3, a feeding hopper 4, a fixed box 5, an electric telescopic rod 6, a sleeve 7, a first-level screen 8, a second-level screen 9, a material guide plate 10, a rotating shaft 11, a first material discharging pipe 12, a second material discharging pipe 13, a third material discharging pipe 14, a movable rod 15, a through groove 16, a material scraping rod 17, a material scraping plate 18, a return spring 19, a telescopic hose 20, a guide groove 21, a guide block 22, a shaft sleeve 23 and a connecting rod 24.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the mechanisms, ratios, sizes, etc. shown in the drawings and described in the specification are only for understanding and reading of the disclosure, and are not to be construed as limiting the scope of the present invention, which is defined by the claims and the appended claims, and therefore, the present invention is not limited to the specific details, and any modifications of the mechanisms, changes in the ratios, or adjustments of the sizes may be made without affecting the function and the achievable objects of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Please refer to fig. 1 to 4:

the utility model provides a multistage screening device for plastic powder screening, which comprises a box body 1, wherein the following parts of the multistage screening device for plastic powder screening are described in detail:

the lower end of the box body 1 is fixedly connected with a base 2, the inside of the base 2 is fixedly connected with a rotating motor 3, the upper end of the rotating motor 3 is rotatably connected with a rotating shaft 11, the upper end of the rotating shaft 11 sequentially penetrates through the base 2 and the box body 1, the upper end of the inside of the box body 1 is fixedly connected with a primary screen 8, the middle end of the inside of the box body 1 is fixedly connected with a secondary screen 9, the lower end of the inside of the box body 1 is fixedly connected with a material guide plate 10, the middle parts of the primary screen 8, the secondary screen 9 and the material guide plate 10 are respectively and fixedly connected with a shaft sleeve 23, the rotating shaft 11 sequentially penetrates through three shaft sleeves 23, the rotating shaft 11 is rotatably connected with the shaft sleeves 23, the left side and the right side of the rotating shaft 11 and the upper ends of the primary screen 8, the secondary screen 9 and the material guide plate 10 are respectively provided with through grooves 16, and the inside of the rotating shaft 11 is provided with a movable rod 15, four guide blocks 22 are fixedly connected to the periphery of the movable rod 15, four guide grooves 21 are formed in the inner wall of the rotating shaft 11, the guide blocks 22 are connected with the guide grooves 21 in a sliding mode, the left side and the right side of the movable rod 15 are located in the through grooves 16 and are fixedly connected with the scraping rods 17, the tail ends of the scraping rods 17 penetrate through the through grooves 16, the scraping rods 17 are movably connected with the through grooves 16, a plurality of flexible hoses 20 are fixedly connected to the lower ends of the scraping rods 17, a scraping plate 18 is fixedly connected between the lower ends of the flexible hoses 20, return springs 19 are fixedly connected to the lower ends of the scraping rods 17 and located in the flexible hoses 20, the lower ends of the return springs 19 are fixedly connected with the scraping plate 18, the primary screen 8, the secondary screen 9 and the guide plate 10 are all arranged in an eight shape, two adjacent scraping rods 17 are arranged in an eight shape, the screening aperture of the primary screen 8 is larger than the screening aperture of the secondary screen 9, the two adjacent scraping plates 18 are arranged in a splayed shape, and the scraping plates 18 are made of elastic rubber;

specifically, when the pulverized molding powder enters the box body 1 from the feeding hopper 4, the pulverized molding powder firstly falls on the first-stage screen 8, at this time, the rotating motor 3 drives the rotating shaft 11 to rotate, because the guide block 22 is slidably connected with the guide groove 21 in the rotating shaft 11, and the guide block 22 is limited by the guide groove 21 in the left-right direction, so that the rotating shaft 11 drives the movable rod 15 to rotate together, the movable rod 15 drives the scraping rod 17 to rotate, and the scraping rod 17 drives the scraping plate 18 to rotate through the return spring 19, so that the molding powder is spread on the first-stage screen 8 by scraping of the scraping plate 18 and the scraping rod 17, the first-stage screen 8 screens the molding powder with small size, the efficiency during screening is improved, and the molding powder with small size falls on the second-stage screen 9 by screening of the first-stage screen 8, at this time, the rotating shaft 11 continues to rotate, because the screening aperture of the second-stage screen 9 is smaller than that of the first-stage screen 8, therefore, the scraping plate 18 and the scraping rod 17 at the upper end of the secondary screen 9 scrape the plastic powder with smaller size again, the plastic powder with the smallest size falls on the material guide plate 10 through the screening of the secondary screen 9, because the scraping plate 18 is made of elastic rubber and has certain elasticity, and the scraping plate 18 is connected with the scraping rod 17 through the return spring 19, a certain interval exists between the scraping plate 18 and the scraping rod 17, when the plastic powder is too much, the plastic powder can pass through the interval to the rear end of the scraping plate 18, so that the resistance of the scraping plate 18 and the scraping rod 17 in rotation is reduced, and the resistance of the scraping plate 18 and the scraping rod 17 in rotation is further reduced through the elasticity of the return spring 19, so that the occurrence of the phenomenon that the scraping plate 18 is jammed is reduced, the scraping plate 18 and the scraping rod 17 are smoother in rotation, because the return spring 19 is arranged in the telescopic hose 20, therefore, the plastic powder can be prevented from being clamped in the return spring 19, so as not to influence the elasticity of the return spring 19, and the plastic powder can be automatically gathered to the lower end edges of the first-stage screen mesh 8, the second-stage screen mesh 9 and the guide plate 10 along the inclined plane after being screened because the first-stage screen mesh 8, the second-stage screen mesh 9 and the guide plate 10 are all arranged in a splayed shape.

The inside top fixedly connected with sleeve pipe 7 of box 1, just axis of rotation 11 rotates with sleeve pipe 7 to be connected, 1 right-hand member of box has connect mutually and has arranged row material pipe 12, arrange two 3 of material pipe and arrange three 14 of material pipe, just 1 upper end left side of box has connected mutually feeder hopper 4, the fixed box 5 of box 1 upper end middle part fixedly connected with, just the inside top fixedly connected with electric telescopic shaft 6 of fixed box 5, just the rotation of movable rod 15 upper end is connected with connecting rod 24, just connecting rod 24 upper end runs through in proper order and turns to axle 11, sleeve pipe 7, box 1 and fixed box 5, connecting rod 24 and sleeve pipe 7, box 1 and fixed box 5 swing joint, just connecting rod 24 upper end and electric telescopic shaft 6 lower extreme fixed connection, feeder hopper 4, arrange material pipe 12, arrange material pipe two 13 and arrange material pipe three 14 and all communicate with each other with box 1, just it manages 12 to arrange material, The second discharge pipe 13 and the third discharge pipe 14 are both arranged in a downward inclined manner, the first discharge pipe 12 is adjacent to one side of the primary screen 8, the second discharge pipe 13 is adjacent to one side of the secondary screen 9, and the third discharge pipe 4 is adjacent to one side of the material guide plate 10;

further, after the plastic powder is screened, the downwardly inclined discharge pipe I12, the discharge pipe II 13 and the discharge pipe III 14 are sequentially opened, at the moment, the plastic powder is automatically discharged from the discharge pipe I12, the discharge pipe II 13 and the discharge pipe III 14 through an inclined plane, so that the effect of automatic discharging is achieved, the discharging efficiency is improved, even if the scraping plate 18 is blocked, the electric telescopic rod 6 drives the connecting rod 24 to ascend, the connecting rod 24 pulls the movable rod 15 upwards, the movable rod 15 drives the scraping rod 17 and the scraping plate 18 to move upwards, so that the intervals between the scraping plate 18 and the first-level screen mesh 8, the second-level screen mesh 9 and the guide plate 10 are enlarged, the moving range of the scraping rod 17 is the height of the through groove 16, then the scraping plate 18 rotates and the plastic powder which is not screened is swept and screened again, so that the scraping plate 18 can still be calibrated after being blocked, and the scraping plate 18 can be continuously rotated for use, the condition of having avoided changing whole scraping structure takes place, and is more economical and practical, and movable rod 15 rotates with connecting rod 24 to be connected, and axis of rotation 11 rotates with sleeve pipe 7 to be connected, therefore connecting rod 24 can not influence the normal rotation of movable rod 15 and axis of rotation 11.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a multistage sieving mechanism for moulding powder sieves, includes box (1), its characterized in that:

box (1) lower extreme fixedly connected with base (2), just base (2) inside fixedly connected with rotates motor (3), it is connected with axis of rotation (11) to rotate motor (3) upper end, just axis of rotation (11) upper end runs through base (2) and box (1) in proper order, box (1) inside upper end fixedly connected with one-level screen cloth (8), just box (1) inside middle-end fixedly connected with second grade screen cloth (9), box (1) inside lower extreme fixedly connected with stock guide (10), fixedly connected with axle sleeve (23) all runs through in one-level screen cloth (8), second grade screen cloth (9) and stock guide (10) middle part, just axis of rotation (11) has run through threely in proper order axle sleeve (23), just axis of rotation (11) rotate with axle sleeve (23) and are connected, axis of rotation (11) left and right sides is located respectively one-level screen cloth (8), The two-stage screen (9) and the upper end of the material guide plate (10) are both provided with a through groove (16), a movable rod (15) is arranged inside the rotating shaft (11), four guide blocks (22) are fixedly connected to the periphery of the movable rod (15), four guide grooves (21) are formed in the inner wall of the rotating shaft (11), the guide blocks (22) are slidably connected with the guide grooves (21), the left side and the right side of the movable rod (15) are both positioned in the through groove (16) and are fixedly connected with a material scraping rod (17), the tail end of the material scraping rod (17) penetrates through the through groove (16), the material scraping rod (17) is movably connected with the through groove (16), the lower end of the material scraping rod (17) is both fixedly connected with a plurality of telescopic hoses (20), a material scraping plate (18) is fixedly connected between the lower ends of the telescopic hoses (20), and a return spring (19) is fixedly connected to the lower end of the material scraping rod (17) and positioned in the telescopic hoses (20), and the lower end of the return spring (19) is fixedly connected with the scraping plate (18), the top end in the box body (1) is fixedly connected with the sleeve (7), the rotating shaft (11) is rotatably connected with the sleeve (7), the right end of the box body (1) is connected with a first discharge pipe (12), a second discharge pipe (13) and a third discharge pipe (14), the left side of the upper end of the box body (1) is connected with the feed hopper (4), the middle part of the upper end of the box body (1) is fixedly connected with the fixed box (5), the top end in the fixed box (5) is fixedly connected with the electric telescopic shaft (6), the upper end of the movable rod (15) is rotatably connected with the connecting rod (24), the upper end of the connecting rod (24) sequentially penetrates through the shaft (11), the sleeve (7), the box body (1) and the fixed box (5), the connecting rod (24) is movably connected with the sleeve (7), the box body (1) and the fixed box (5), and the upper end of the connecting rod (24) is fixedly connected with the lower end of the electric telescopic shaft (6).

2. A multi-stage sifting apparatus for sifting molding powder in accordance with claim 1 wherein: the first-stage screen mesh (8), the second-stage screen mesh (9) and the material guide plate (10) are arranged in a splayed manner, and the two adjacent scraping rods (17) are arranged in a splayed manner.

3. A multi-stage sifting apparatus for sifting molding powder in accordance with claim 1 wherein: the screening aperture of the first-stage screen (8) is larger than that of the second-stage screen (9).

4. A multi-stage sifting apparatus for sifting molding powder in accordance with claim 1 wherein: the two adjacent scraping plates (18) are arranged in a splayed shape, and the scraping plates (18) are made of elastic rubber.

5. A multi-stage sifting apparatus for sifting molding powder in accordance with claim 1 wherein: feeder hopper (4), row material pipe (12), row material pipe two (13) and row material pipe three (14) all communicate with each other with box (1), just it all inclines down the setting to arrange material pipe (12), row material pipe two (13) and row material pipe three (14), it is adjacent in one side of one-level screen cloth (8) to arrange material pipe (12), it is adjacent in one side of second grade screen cloth (9) to arrange material pipe two (13), just it is adjacent in one side of stock guide (10) to arrange material pipe three (4).