Adjustable granular raw material screening device

Abstract

The utility model belongs to the field of screening devices, and particularly relates to an adjustable granular raw material screening device which comprises a base, an elastic supporting mechanism is arranged at the upper end of the base, a screening box is arranged above the elastic supporting mechanism, a first motor is fixedly installed at the upper end of the base, and a second motor is fixedly installed at the lower end of the base. A cam is fixedly connected to the tail end of an output shaft of the first motor, a flow guide seat is fixedly connected to the inner side of the screen box, a coarse screen is fixedly connected to the inner side of the flow guide seat, a rotating shaft is rotatably connected to the interior of the flow guide seat, a fine screen is fixedly connected to the bottom of the rotating shaft, and the fine screen makes contact with the flow guide seat and the coarse screen. And the top of the rotating shaft is fixedly connected with a knob. The coarse screen is arranged in the screen box, and the rotatable fine screen is arranged below the coarse screen, so that the gap between the coarse screen and the fine screen can be adjusted by rotating the fine screen, and the purpose of adjusting the screening degree of raw materials is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the screening device field, concretely is a kind of adjustable granular raw material screening device. BACKGROUND

[0002] The commonly used materials for anti-fouling film particles include silicates such as silicon dioxide (silicon dioxide particles, silica gel particles), etc., which have good anti-pollution performance and anti-fouling effect. Polymer materials such as polytetrafluoroethylene (PTFE) have super strong chemical resistance and anti-fouling ability. Ceramic materials such as alumina and zirconia have excellent high-temperature resistance and corrosion resistance, and are suitable for anti-fouling films in high-temperature environments. Silicon resin has good wear resistance and anti-pollution performance, and is suitable for the preparation of anti-fouling films for car surfaces. Nanoparticle materials such as nano-titanium dioxide and nano-zinc oxide have large specific surface area and photocatalytic properties, and can be used to prepare anti-fouling films with self-cleaning function.

[0003] These particle raw materials can be selected and combined according to different needs and application fields to prepare anti-fouling films with excellent anti-fouling performance. Before the preparation of the anti-fouling film, the raw material particles need to be screened. For example, the utility model patent with authorization announcement number CN212666463U proposes an anti-fouling film particle raw material screening device, which includes a collection frame, a screening cylinder is arranged inside the collection frame, a stirring shaft is rotatably connected to the inner wall of the screening cylinder, a plurality of stirring rods are fixed to the surface of the stirring shaft, a rotating assembly is arranged on the side of the collection frame, a transmission assembly is arranged between the stirring shaft and the rotating assembly, the rotating assembly drives the screening cylinder to rotate in the opposite direction, and under the same direction transmission of the transmission assembly, the stirring shaft and the rotating assembly rotate in the same direction.

[0004] However, the existing raw material screening device has the problem that the particle size of the screening device is relatively fixed, the adaptability is poor, and the device is easily clogged by particles, affecting use. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of adjustable granular raw material screening device, solve the problem that the particle size of the screening device of the existing raw material screening device is relatively fixed when using, the adaptability is poor, and the device is easily clogged by particles, affecting use.

[0006] To achieve the above object, the utility model provides the following technical scheme: A granular raw material screening device with adjustable, including base, the upper end of base is provided with elastic support mechanism, the upper side of elastic support mechanism is provided with sieve box, the upper end fixed mounting of base has motor one, and the output shaft end of motor one is fixedly connected with cam, the inboard of sieve box is fixedly connected with guide seat, the inboard of guide seat is fixedly connected with coarse screen, the inside rotation of guide seat is connected with pivot, the bottom fixed connection of pivot has fine screen, and fine screen and guide seat and coarse screen all contact, the top fixed connection of pivot has knob.

[0007] Preferably, the elastic support mechanism includes a sleeve fixed to the upper end of the base, a limit block slidably connected to the inside of the sleeve, a slide rod fixedly connected to the upper end of the limit block, the top of the slide rod fixedly connected with the sieve box, a spring three sleeved outside the slide rod, one end of the spring three fixedly connected with the limit block, and the other end of the spring three fixedly connected to the inner surface of the sleeve. By the setting of the elastic support mechanism, the sieve box has elastic support effect.

[0008] Preferably, the shaft body middle segment of the pivot is fixedly connected with a stop ring, the stop ring is in contact with the guide seat, the inside of the stop ring is slidably connected with a locking pin, one end of the locking pin is inserted into the guide seat, the other end of the locking pin is fixedly connected with a connecting piece, the upper end of the connecting piece is fixedly connected with a pull ring, the outside of the locking pin is sleeved with a spring one, one end of the spring one is fixedly connected with the connecting piece, and the other end of the spring one is fixedly connected with the stop ring. By inserting the locking pin into the guide seat, the fine screen can be prevented from loosening.

[0009] Preferably, the bottom of the connecting piece and outside the spring one is fixedly connected with a corrugated sleeve, the bottom of the corrugated sleeve is fixedly connected with the stop ring. By the setting of the corrugated sleeve, the spring one has protection effect.

[0010] Preferably, the top of the sieve box is fixedly connected with a support, the inside top of the support is fixedly installed with a motor two, the output shaft end of the motor two is fixedly connected with a drive shaft, the shaft body middle segment of the drive shaft is fixedly connected with a connecting frame, the end of the connecting frame is fixedly connected with a hollow shell, the inside of the hollow shell is slidably connected with a steel brush, the steel brush is in contact with the coarse screen, and the inside of the hollow shell is provided with a spring two. By driving the drive shaft to rotate by the motor two, the steel brush is brushed on the surface of the coarse screen, thereby preventing the loosening of the coarse screen.

[0011] Preferably, one end of the spring two is fixedly connected with the steel brush, and the other end of the spring two is fixedly connected to the inner surface of the hollow shell. By the setting of the spring two, the elastic force can be applied to the steel brush.

[0012] Preferably, the bottom of the sieve box is connected with a plug through screw thread connection, and the plug is made of rubber material. Through the setting of the plug, the discharge of the sieve box is facilitated.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 the utility model discloses a sieve box is provided with a coarse screen in the sieve box, and then the lower side of the coarse screen is provided with rotatable fine screen, so that the gap between the coarse screen and the fine screen can be adjusted by rotating the fine screen, so that the purpose of adjusting the screening degree of raw materials is achieved.

[0015] 2、 the utility model discloses a support is set up on the upper side of the sieve box, and the support is provided with a steel brush driven by a motor, and the steel brush can be subjected to the elastic force of a spring, so that the steel brush is abutted on the surface of the coarse screen, so that the coarse screen can be rotated and cleaned, so that the raw materials are prevented from being stuck in the mesh, and the smoothness of the screening operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the front view of the utility model; Figure 1

[0018] Figure 3 It is the A part structure enlarged view of the utility model; Figure 2

[0019] Figure 4 It is the guide seat structure perspective drawing of the utility model; Figure 2

[0020] In the drawing: 1, base;2, elastic support mechanism;3, motor one;4, cam;5, sieve box;6, guide seat;7, coarse screen;8, pivot;9, fine screen;10, baffle ring;11, locking pin;12, connecting piece;13, pull ring;14, spring one;15, corrugated sleeve;16, knob;17, support;18, motor two;19, driving shaft;20, connecting frame;21, hollow shell;22, steel brush;23, spring two;24, plug;201, sleeve;202, limit block;203, sliding rod;204, spring three. DETAILED DESCRIPTION

[0021] ​​​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 4 , a kind of adjustable granular raw material screening device, including base 1, the upper end of base 1 is provided with elastic support mechanism 2, the upper of elastic support mechanism 2 is provided with sieve box 5, the upper end of base 1 is fixedly installed with motor one 3, and the output shaft end of motor one 3 is fixedly connected with cam 4, the inner side of sieve box 5 is fixedly connected with guide seat 6, the inner side of guide seat 6 is fixedly connected with coarse screen 7, rotatingly connected with shaft 8 in guide seat 6, the bottom of shaft 8 is fixedly connected with fine screen 9, and fine screen 9 is in contact with guide seat 6 and coarse screen 7, the top of shaft 8 is fixedly connected with knob 16, the bottom of sieve box 5 is connected with plug 24 by screwing, and plug 24 is of rubber material. Through the setting of plug 24, it is convenient to discharge sieve box 5.

[0023] Please refer to Figure 1 、 Figure 2 , elastic support mechanism 2 includes sleeve 201 fixed on the upper end of base 1, the inner side of sleeve 201 is slidably connected with limit block 202, the upper end of limit block 202 is fixedly connected with slide bar 203, the top of slide bar 203 is fixedly connected with sieve box 5, spring three 204 is sleeved on the outer side of slide bar 203, one end of spring three 204 is fixedly connected with limit block 202, and the other end of spring three 204 is fixedly connected to the inner surface of sleeve 201. Through the setting of elastic support mechanism 2, sieve box 5 has elastic support effect.

[0024] Please refer to Figure 2 、 Figure 3 , the middle segment of the shaft body of shaft 8 is fixedly connected with stop ring 10, stop ring 10 is in contact with guide seat 6, lock pin 11 is slidably connected in the inside of stop ring 10, one end of lock pin 11 is inserted with guide seat 6, the other end of lock pin 11 is fixedly connected with connecting piece 12, the upper end of connecting piece 12 is fixedly connected with pull ring 13, spring one 14 is sleeved on the outer side of lock pin 11, one end of spring one 14 is fixedly connected with connecting piece 12, and the other end of spring one 14 is fixedly connected with stop ring 10. By inserting lock pin 11 into guide seat 6, fine screen 9 can have anti-loosening effect. The bottom of connecting piece 12 and the outer side of spring one 14 are fixedly connected with corrugated sleeve 15, and the bottom of corrugated sleeve 15 is fixedly connected with stop ring 10. Through the setting of corrugated sleeve 15, spring one 14 has protection effect.

[0025] Please refer to Figure 1 、 Figure 2 The top of the screening box 5 is fixedly connected with a support 17, the inner top of the support 17 is fixedly installed with a second motor 18, the output shaft tail end of the second motor 18 is fixedly connected with a driving shaft 19, the shaft body middle section of the driving shaft 19 is fixedly connected with a connecting frame 20, the tail end of the connecting frame 20 is fixedly connected with a hollow shell 21, the inner side of the hollow shell 21 is slidably connected with a steel brush 22, the steel brush 22 is in contact with the coarse screen mesh 7, and the inner side of the hollow shell 21 is provided with a second spring 23. The second motor 18 drives the driving shaft 19 to rotate, so as to drive the steel brush 22 to brush on the surface of the coarse screen mesh 7, thereby preventing the loosening of the coarse screen mesh 7. One end of the second spring 23 is fixedly connected with the steel brush 22, and the other end of the second spring 23 is fixedly connected to the inner surface of the hollow shell 21. Through the arrangement of the second spring 23, the elastic force can be applied to the steel brush 22.

[0026] The specific implementation process of the utility model is as follows: in use, the anti-fog film particle raw materials are put into the screening box 5, and are screened through the combined screening of the coarse screen mesh 7 and the fine screen mesh 9, at the same time, the first motor 3 drives the cam 4 to rotate, the cam 4 periodically contacts and gives the screening box 5 an upward extrusion force, then cooperates with the elastic supporting mechanism 2, can make the screening box 5 produce vibration, reach the effect of vibrating screen, in addition, the second motor 18 drives the driving shaft 19 to rotate, the driving shaft 19 drives the connecting frame 20 to rotate, the connecting frame 20 drives the steel brush 22 to rotate, thereby preventing the raw materials from being stuck in the mesh, ensuring the smoothness of the screening operation, in addition, the connecting piece 12 is pulled through the pull ring 13, the connecting piece 12 pulls the locking pin 11, the locking pin 11 is separated from the flow guide base 6, thereby releasing the restriction on the blocking ring 10 and the rotating shaft 8, then the rotating shaft 8 is rotated through the knob 16, the fine screen mesh 9 is driven to rotate by the rotating shaft 8, so that the gap between the coarse screen mesh 7 and the fine screen mesh 9 can be adjusted, thereby achieving the purpose of adjusting the screening degree of the raw materials.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable granular raw material screening device comprising a base (1), characterized in that: The upper end of the base (1) is provided with an elastic support mechanism (2), the upper side of the elastic support mechanism (2) is provided with a sieve box (5), the upper end of the base (1) is fixedly installed with a motor one (3), and the output shaft end of the motor one (3) is fixedly connected with a cam (4), the inner side of the sieve box (5) is fixedly connected with a flow guide seat (6), the inner side of the flow guide seat (6) is fixedly connected with a coarse screen (7), the inside of the flow guide seat (6) is rotatably connected with a rotating shaft (8), the bottom of the rotating shaft (8) is fixedly connected with a fine screen (9), and the fine screen (9) is in contact with the flow guide seat (6) and the coarse screen (7), and the top of the rotating shaft (8) is fixedly connected with a knob (16).

2. A granular material screening device according to claim 1, wherein: The elastic support mechanism (2) comprises a sleeve (201) fixed to the upper end of the base (1), the inner side of the sleeve (201) is slidably connected with a limiting block (202), the upper end of the limiting block (202) is fixedly connected with a sliding rod (203), the top of the sliding rod (203) is fixedly connected with the sieve box (5), the outer side of the sliding rod (203) is sleeved with a spring three (204), one end of the spring three (204) is fixedly connected with the limiting block (202), and the other end of the spring three (204) is fixedly connected to the inner surface of the sleeve (201).

3. An adjustable granular material screening device according to claim 1, characterized in that: The shaft body middle segment of the rotating shaft (8) is fixedly connected with a blocking ring (10), the blocking ring (10) is in contact with the flow guide seat (6), the inside of the blocking ring (10) is slidably connected with a locking pin (11), one end of the locking pin (11) is inserted into the flow guide seat (6), the other end of the locking pin (11) is fixedly connected with a connecting piece (12), the upper end of the connecting piece (12) is fixedly connected with a pull ring (13), the outer side of the locking pin (11) is sleeved with a spring one (14), one end of the spring one (14) is fixedly connected with the connecting piece (12), and the other end of the spring one (14) is fixedly connected with the blocking ring (10).

4. An adjustable granular material screening device according to claim 3, wherein: The bottom of the connecting piece (12) and located outside the spring one (14) is fixedly connected with a corrugated sleeve (15), and the bottom of the corrugated sleeve (15) is fixedly connected with the blocking ring (10).

5. An adjustable granular material screening device according to claim 1, wherein: The top of the sieve box (5) is fixedly connected with a support (17), the inner side top of the support (17) is fixedly installed with a motor two (18), the output shaft end of the motor two (18) is fixedly connected with a driving shaft (19), the shaft body middle segment of the driving shaft (19) is fixedly connected with a connecting frame (20), the end of the connecting frame (20) is fixedly connected with a hollow shell (21), the inner side of the hollow shell (21) is slidably connected with a steel brush (22), the steel brush (22) is in contact with the coarse screen (7), and the inner side of the hollow shell (21) is provided with a spring two (23).

6. An adjustable granular material screening device according to claim 5, wherein: One end of the spring two (23) is fixedly connected with the steel brush (22), and the other end of the spring two (23) is fixedly connected to the inner surface of the hollow shell (21).

7. An adjustable granular material screening device according to claim 1, wherein: The bottom of the sieve box (5) is threadedly connected with a plug (24), and the plug (24) is made of rubber.

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