CN219923655U - Screening device - Google Patents

Abstract

The utility model belongs to the technical field of screening, and provides a screening device which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a supporting component, a plurality of reciprocating type screening components are arranged in the supporting component, the outer end of the supporting component is connected with a screen detaching component, the screen detaching component is connected with the reciprocating type screening components, the reciprocating type screening components comprise a curved surface type screening component and a material guiding component, the front side and the rear side of the material guiding component are respectively and fixedly connected to the inner walls of the front side and the rear side in the supporting component, and the left end and the right end of the curved surface type screening component are respectively connected with the left end and the right end of the screen detaching component. The raw materials are screened through the curved surface-shaped screening component, and the curved surface-shaped screening component is curved, so that the time of the raw materials on the curved surface-shaped screening component is prolonged, the raw materials move on the curved surface-shaped screening component more gently, the raw materials are screened more fully, and the raw materials cannot rush out during discharging.

Description

Screening device

Technical Field

The utility model belongs to the technical field of screening, and particularly relates to a screening device.

Background

The dry powder mortar is a building material commonly used in the building, but the dry powder mortar has more impurities and larger blocks mixed in the dry powder mortar, so that the dry powder mortar needs to be screened, a vibration screening device is generally adopted for screening the dry powder mortar, and the vibration screening device in the prior art is mainly used for primary screening and cannot screen the dry powder mortar with various sizes.

For this purpose. Chinese patent CN210995168U proposes a multistage screening device for dry powder mortar, make all screens shake in step through setting up the parallel screen cloth of multiunit, thereby make dry powder mortar from last down by multiunit screen cloth carry out many times screening in proper order, thereby realize the multistage screening of dry powder mortar, thereby can obtain the dry powder mortar of various equidimension and the screening is more abundant, but above-mentioned patent is when sieving, the raw materials can not be from the top of doing of the screen cloth except first group gliding, can just fall to the middle part of next group from the middle part of last group, unable make full use of screen cloth below, thereby make want fully screening just need extension screen cloth, thereby cause the waste. However, when the screen cloth is damaged or the screen cloth of the patent is not needed, the screen cloth is too complicated to detach.

Disclosure of Invention

The embodiment of the utility model aims to provide a screening device, which aims to solve the problems that a screen cannot be fully utilized, raw materials roll down too fast and the screen is complicated to replace.

The embodiment of the utility model is realized in that the screening device comprises a bottom plate;

the top of the bottom plate is fixedly connected with a supporting component;

the inside of the supporting component is provided with a plurality of reciprocating type screening components for carrying out multistage repeated screening on raw materials;

the outer end of the supporting component is connected with a screen detaching component which is used for facilitating the detachment of the reciprocating screen material component, and the screen detaching component is connected with the reciprocating screen material component;

the reciprocating type screening component comprises a curved surface type screening component and a guiding component, wherein the front side and the rear side of the guiding component are respectively and fixedly connected to the inner walls of the front side and the rear side in the supporting component, and the left end and the right end of the curved surface type screening component are respectively connected with the left end and the right end of the screen detaching component.

Further, the support component is connected with a vibration component for vibrating the support component and the internal component of the support component.

Still further, the supporting component includes support frame, supporting box body, feed inlet, discharge gate and spring, the top surface fixedly connected with support frame of bottom plate, the equal fixedly connected with spring in four corners in top of support frame, fixedly connected with supporting box body between the top of four springs, the feed inlet has been seted up to the top left end of supporting box body, a plurality of discharge gate has been seted up on the right side wall of supporting box body, a discharge gate has been seted up to the left side wall bottom of supporting box body.

Further, the right end of each curved screen assembly is flush with the inner bottom of one discharge port.

Still further, curved surface shape screening subassembly includes curved surface screen cloth, the left and right sides both ends of curved surface screen cloth are fixed connection respectively on the left and right sides both ends of screen cloth dismantlement subassembly, evenly offered a plurality of sieve mesh on the curved surface screen cloth.

Still further, the guide subassembly includes feeding baffle and ejection of compact baffle, all curved surface screen cloth below except being located the curved surface screen cloth of bottom all is equipped with a feeding baffle, and the curved surface screen cloth that is located the bottom is equipped with ejection of compact baffle, and both sides are fixed connection respectively on the front and back both sides wall in the supporting box body around feeding baffle and ejection of compact baffle.

Furthermore, the feeding guide plate and the curved screen are obliquely arranged, and the oblique direction of the feeding guide plate is opposite to the oblique direction of the curved screen.

Further, the left end of the discharging guide plate is leveled with the inner bottom of the discharging hole on the left side wall of the supporting box body.

Still further, the screen cloth dismantles subassembly and includes arm-tie, handle, slide rail and slider, a plurality of spout has been seted up on the preceding lateral wall of supporting box body, a plurality of spout and curved surface screen cloth's the position front and back one-to-one, the equal fixedly connected with a set of slide rail of both ends position about and corresponding curved surface screen cloth on the both sides inner wall of supporting box body, sliding connection has the slider on the slide rail, both ends bottom all and the top fixed connection of a set of slider about the curved surface screen cloth, the place ahead of every curved surface screen cloth all has an arm-tie, the both ends of arm-tie respectively with two slider fixed connection that correspond, arm-tie sliding connection is in the inside of spout, equal fixedly connected with handle on the lateral wall before the arm-tie.

Furthermore, when the inner side of the pulling plate is in contact connection with the curved screen, the outer wall of the pulling plate is in contact with the inner wall of the chute in a fitting way.

Advantageous effects

According to the utility model, when the raw materials are screened through the curved-surface screening component, as the curved-surface screening component is curved, the time of the raw materials on the curved-surface screening component is prolonged, and the raw materials move on the curved-surface screening component more smoothly, so that the raw materials are screened more fully, and the raw materials cannot rush out during discharging; in addition, when needing to replace curved surface screen cloth, the handle in the place ahead of the curved surface screen cloth that needs to replace is pulled forward, the handle drives the arm-tie forward motion roll-off spout, the arm-tie drives the slider and forward motion under the spacing direction of slide rail, the slider drives curved surface screen cloth forward motion and goes out the inside of supporting the box, thereby can repair and replace curved surface screen cloth, when making curved surface screen cloth bad, only need take out broken curved surface screen cloth clear up, need not to unpack whole supporting the box, and it is simple and convenient, and when not needing many grades of sieves, take out several curved surface screen cloth, pull down curved surface screen cloth again with arm-tie and slider insert again and sieve, thereby realize the adjustment of screening number of times.

When the sieve is needed, the raw materials fall onto the curved screen of the curved screen assembly of the reciprocating type sieve material assembly through the feeding hole, the raw materials are screened through the curved screen, as the curved screen is curved, the raw materials can be screened more fully after being screened by the curved screen, the larger raw materials pass through the discharging hole corresponding to the curved screen under the guidance of the curved screen and are collected by the external collecting device at the discharging hole, the smaller raw materials fall onto the feeding guide plate below the curved screen through the sieve holes, the raw materials fall to the leftmost side of the next curved screen under the guidance of the feeding guide plate, so that the raw materials can be screened all the time from the leftmost end to the rightmost end of the curved screen, the full screening can be realized without overlong curved screen, the space and the materials are saved, the raw materials are discharged from the corresponding discharging hole after being screened by the lowest curved screen, the smaller raw materials are discharged from the corresponding discharging hole, the smaller raw materials are discharged from the discharging guide plate under the guidance of the discharging guide plate and the discharging guide plate, and the different sizes of the products can be discharged from the discharging guide plates correspondingly, and different positions can be realized; in addition, start the double-end motor, the output of double-end motor drives eccentric pouring weight and rotates under the spacing support of L shape backup pad, because eccentric pouring weight is eccentric installation for the eccentric pouring weight can the butt on the top surface of support frame, and then make the supporting box body by the jacking, thereby make the supporting box body rock under the restraint of spring, thereby make the supporting box body drive curved surface screen cloth and rock, thereby make the raw materials beat on curved surface screen cloth, thereby realize the screening to the raw materials.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a first perspective view of a screening device according to an embodiment of the present utility model;

FIG. 2 is a front view of a screening apparatus according to an embodiment of the present utility model;

FIG. 3 is a right side view of a screening apparatus according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a second cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 6 is an enlarged view of a portion of FIG. 4 at B;

fig. 7 is a second perspective view of a screening device according to an embodiment of the present utility model.

In the accompanying drawings: 1. base plate 2, support assembly 21, support frame 22, support box 23, feed inlet 24, discharge outlet 3, reciprocating screen assembly 31, curved screen assembly 311, curved screen 312, screen mesh 32, guide assembly 321, feed guide 322, discharge guide 4, screen removal assembly 41, chute 42, pull plate 43, handle 44, slide rail 45, slide block 5, vibration assembly 51, L-shaped support plate 52, double ended motor 53, eccentric weight 54, spring 6, rotary bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to examples.

Example 1

Referring to figures 1-7 of the drawings, a screening apparatus comprises a base plate 1;

the top of the bottom plate 1 is fixedly connected with a supporting component 2; the inside of the supporting component 2 is provided with a plurality of reciprocating type screening components 3 for carrying out multistage repeated screening on raw materials; the outer end of the supporting component 2 is connected with a screen detaching component 4 which is used for facilitating the detachment of the reciprocating screen material component 3, and the screen detaching component 4 is connected with the reciprocating screen material component 3; the support component 2 is connected with a vibration component 5 for vibrating the support component 2 and the internal components of the support component 2.

The supporting component 2 comprises a supporting frame 21, a supporting box body 22, a feeding hole 23, a discharging hole 24 and springs 25, wherein the supporting frame 21 is fixedly connected to the top surface of the bottom plate 1, the springs 25 are fixedly connected to the four corners of the top of the supporting frame 21, the supporting box body 22 is fixedly connected between the tops of the four springs 25, the feeding hole 23 is formed in the left end of the top of the supporting box body 22, a plurality of discharging holes 24 are formed in the right side wall of the supporting box body 22, and one discharging hole 24 is formed in the bottom of the left side wall of the supporting box body 22.

The support frame 21 supports the box body 22 through the spring 25, supports the reciprocating sieve material assembly 3 and the screen mesh detaching assembly 4 through the support box body 22, introduces raw materials into the support box body 22 through the feed inlet 23, and finally sends screened finished products out of the support box body 22 through the discharge outlet 24.

The reciprocating screen assembly 3 comprises a curved screen assembly 31 and a guide assembly 32, wherein the front side and the rear side of the guide assembly 32 are respectively and fixedly connected to the inner walls of the front side and the rear side in the supporting box body 22, the left end and the right end of the curved screen assembly 31 are respectively connected with the left end and the right end of the screen detaching assembly 4, and the right end of each curved screen assembly 31 is leveled with the inner bottom of one discharge hole 24.

Raw materials are screened through curved surface shape screening subassembly 31, because curved surface shape screening subassembly 31 is curved surface shape to make the time of raw materials on curved surface shape screening subassembly 31 lengthen and remove comparatively gently on curved surface shape screening subassembly 31, thereby make the raw materials screen more abundant, and the raw materials can not dash out suddenly during the ejection of compact.

The curved screen assembly 31 comprises a curved screen 311, the left and right ends of the curved screen 311 are respectively and fixedly connected to the left and right ends of the screen detaching assembly 4, and a plurality of screen holes 312 are uniformly formed in the curved screen 311.

The material guiding assembly 32 comprises a material feeding guide plate 321 and a material discharging guide plate 322, wherein the material feeding guide plate 321 is arranged below all curved surface screens 311 except the curved surface screen 311 at the bottom, the curved surface screen 311 at the bottom is provided with the material discharging guide plate 322, the front side and the rear side of the material feeding guide plate 321 and the material discharging guide plate 322 are respectively and fixedly connected to the front side wall and the rear side wall in the supporting box body 22, the material feeding guide plate 321 and the curved surface screen 311 are obliquely arranged, and the oblique direction of the material feeding guide plate 321 is opposite to the oblique direction of the curved surface screen 311; the left end of the discharge guide 322 is flush with the inner bottom of the discharge port 24 on the left side wall of the supporting box 22.

Raw materials fall onto the curved screen 311 through the feed inlet 23, the raw materials are screened through the curved screen 311, and as the curved screen 311 is curved, the raw materials can be screened more fully due to longer time and slower action on the curved screen 311, larger raw materials are discharged through the discharge port 24 corresponding to the curved screen 311 under the guidance of the curved screen 311 and are collected by an external collecting device at the discharge port 24, and smaller raw materials fall onto the feed guide plate 321 below the curved screen 311 through the sieve holes 312; when the raw materials fall to the leftmost side of the next curved screen 311 under the guidance of the feeding guide plate 321, the raw materials are screened from the leftmost end to the rightmost end of the curved screen 311 every time, so that the full screening can be realized without overlong curved screen 311, and the space and the materials are saved; after the raw materials are screened by the curved screen 311 positioned at the bottom, larger raw materials are discharged from the corresponding discharge holes 24, smaller raw materials fall onto the discharge guide plate 322 through the screen holes 312, and finished products are discharged from the discharge holes 24 corresponding to the discharge guide plate 322 under the guidance of the discharge guide plate 322, so that the finished products with different sizes are discharged at different positions and cannot affect each other.

Example 2

On the basis of embodiment 1, as shown in fig. 1-7, as a preferred embodiment of the present utility model, the screen removing assembly 4 includes a pull plate 42, a handle 43, slide rails 44, and slide blocks 45, a plurality of slide grooves 41 are formed on the front side wall of the supporting box 22, the plurality of slide grooves 41 are in front-back correspondence with the positions of the curved screen 311, a group of slide rails 44 are fixedly connected to the inner walls of the two sides of the supporting box 22 and the positions of the left and right ends of the corresponding curved screen 311, the slide rails 44 are slidably connected with the slide blocks 45, the bottoms of the left and right ends of the curved screen 311 are fixedly connected with the tops of the group of slide blocks 45, a pull plate 42 is arranged in front of each curved screen 311, two ends of the pull plate 42 are fixedly connected with the front ends of the corresponding two slide blocks 45, the pull plate 42 is slidably connected to the inside of the slide grooves 41, and the handle 43 is fixedly connected to the front side wall of the pull plate 42.

Preferably, when the inner side of the pull plate 42 is in contact with the curved screen 311, the outer wall of the pull plate 42 is in contact with the inner wall of the chute 41.

When the curved screen 311 needs to be replaced, the handle 43 in front of the curved screen 311 needs to be replaced is pulled forward, the handle 43 drives the pull plate 42 to move forward to slide out of the sliding groove 41, the pull plate 42 drives the two sliding blocks 45 to move forward under the limit guide of the sliding rail 44, the sliding blocks 45 drive the curved screen 311 to move forward out of the supporting box body 22, so that the curved screen 311 can be repaired and replaced, when the curved screen 311 is damaged, the damaged curved screen 311 only needs to be pulled out to clean, the whole supporting box body 22 does not need to be disassembled, the whole supporting box body 22 is simple and convenient, when a plurality of grades of screens are not needed, the curved screen 311 is pulled out, the pull plate 42 and the sliding blocks 45 are pulled back again for screening, and the screening times are adjusted.

Example 3

On the basis of embodiment 2, as shown in fig. 1 to 5 and 7, as a preferred embodiment of the present utility model, the vibration assembly 5 includes an L-shaped supporting plate 51, a double-headed motor 52 and an eccentric weight 53, the middle position of the bottom of the supporting box 22 is fixedly connected to two L-shaped supporting plates 51 which are symmetrical in front-back, the double-headed motor 52 is fixedly connected to the bottom of the supporting box 22 in the middle of the two L-shaped supporting plates 51, and two output ends of the double-headed motor 52 respectively pass through the two L-shaped supporting plates 51 and are fixedly connected to the eccentric weight 53.

When screening is needed, the double-headed motor 52 is started, the output end of the double-headed motor 52 drives the eccentric weight 53 to rotate under the limit support of the L-shaped support plate 51, and the eccentric weight 53 is eccentrically installed, so that the eccentric weight 53 can be abutted to the top surface of the support frame 21, and further the support box 22 is lifted, so that the support box 22 shakes under the constraint of the spring 25, the support box 22 drives the curved screen 311 to shake, the raw materials jump on the curved screen 311, and screening of the raw materials is realized.

Example 4

On the basis of embodiment 3, as shown in fig. 7, as a preferred embodiment of the present utility model, a rotation lever 6 is rotatably connected to the front side wall of the supporting case 22 via a rotation lever, and the rotation lever 6 can block all the pull plates 42.

When the pulling plate 42 needs to be pulled out, the rotating blocking rod 6 is rotated upwards, so that the rotating blocking rod 6 is not blocking the pulling plate 42, at the moment, the pulling plate 42 is pulled out to replace the curved screen 311, after the pulling plate 42 is reinserted into the sliding groove 41 after replacement is completed, the rotating blocking rod 6 is rotated downwards, so that the rotating blocking rod 6 is used for blocking the pulling plate 42 again, and the pulling plate 42 cannot automatically slide out.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. Screening device, comprising a bottom plate (1), characterized in that:

the top of the bottom plate (1) is fixedly connected with a supporting component (2);

the inside of the supporting component (2) is provided with a plurality of reciprocating type screening components (3) for carrying out multistage repeated screening on raw materials;

the outer end of the supporting component (2) is connected with a screen detaching component (4) which is used for facilitating the detachment of the reciprocating screen material component (3), and the screen detaching component (4) is connected with the reciprocating screen material component (3);

the reciprocating type screening component (3) comprises a curved screening component (31) and a material guiding component (32), wherein the front side and the rear side of the material guiding component (32) are respectively and fixedly connected to the inner walls of the front side and the rear side in the supporting component (2), and the left end and the right end of the curved screening component (31) are respectively connected with the left end and the right end of the screen detaching component (4).

2. A screening arrangement according to claim 1, characterized in that the support assembly (2) is connected with a vibration assembly (5) for vibrating the support assembly (2) and the reciprocating screen assembly (3).

3. A screening device according to claim 2, characterized in that the supporting component (2) comprises a supporting frame (21), a supporting box body (22), a feeding hole (23), a discharging hole (24) and springs (25), the top surface of the bottom plate (1) is fixedly connected with the supporting frame (21), the springs (25) are fixedly connected with four corners of the top of the supporting frame (21), the supporting box body (22) is fixedly connected between the tops of the four springs (25), the feeding hole (23) is formed in the left end of the top of the supporting box body (22), a plurality of discharging holes (24) are formed in the right side wall of the supporting box body (22), and one discharging hole (24) is formed in the bottom of the left side wall of the supporting box body (22).

4. A screening arrangement according to claim 3, wherein the right end of each curved screen assembly (31) is flush with the inner bottom of one discharge opening (24).

5. A screening device according to claim 3, wherein the curved screen assembly (31) comprises a curved screen (311), the left and right ends of the curved screen (311) are respectively and fixedly connected to the left and right ends of the screen detaching assembly (4), and a plurality of screen holes (312) are uniformly formed in the curved screen (311).

6. A screening device according to claim 3, wherein the material guiding assembly (32) comprises a feeding guide plate (321) and a discharging guide plate (322), a feeding guide plate (321) is arranged below all curved surface screens (311) except the curved surface screen (311) at the bottom, the curved surface screen (311) at the bottom is provided with a discharging guide plate (322), and the front side and the rear side of the feeding guide plate (321) and the front side and the rear side of the discharging guide plate (322) are respectively fixedly connected on the front side wall and the rear side wall in the supporting box body (22).

7. A screening arrangement according to claim 6, characterized in that the feed guide (321) and the curved screen (311) are both inclined, and that the direction of inclination of the feed guide (321) is opposite to the direction of inclination of the curved screen (311).

8. A screening arrangement according to claim 6 or 7, wherein the left end of the discharge guide (322) is flush with the inner bottom of the discharge opening (24) in the left side wall of the supporting box (22).

9. The screening device according to claim 6, wherein the screen removing assembly (4) comprises a pulling plate (42), a handle (43), sliding rails (44) and sliding blocks (45), a plurality of sliding grooves (41) are formed in the front side wall of the supporting box body (22), the sliding grooves (41) are in front-back one-to-one correspondence with the positions of the curved screen (311), a group of sliding rails (44) are fixedly connected to the inner walls of the two sides of the supporting box body (22) and correspond to the left end and the right end of the curved screen (311), sliding blocks (45) are slidably connected to the sliding rails (44), the bottoms of the left end and the right end of the curved screen (311) are fixedly connected to the tops of the sliding blocks (45), one pulling plate (42) is arranged in front of each curved screen (311), two ends of the pulling plate (42) are fixedly connected to the corresponding two sliding blocks (45), and the pulling plate (42) is slidably connected to the inside the sliding grooves (41), and the handle (43) is fixedly connected to the front side wall of the pulling plate (42).

10. A screening device according to claim 9, wherein the outer wall of the pulling plate (42) is in abutting contact with the inner wall of the chute (41) when the inner side of the pulling plate (42) is in contact with the curved screen (311).