阅读说明：本技术 一种变性淀粉加工用筛料装置 (Modified starch processing is with sieve material device ) 是由 周晓明 于 2019-12-16 设计创作，主要内容包括：本发明公开了一种变性淀粉加工用筛料装置,属于变性淀粉技术领域,包括壳体,所述壳体的上表面通过锁扣a贴合安装有顶盖,所述壳体内侧壁的左右两侧面对称卡接有轴承,且两个轴承均套接在转轴的外表面,所述转轴的左端与驱动电机的输出轴固定连接,所述驱动电机固定安装在壳体的左侧面,所述转轴的外表面还固定连接有凸轮,所述凸轮的上表面与放置板的下表面贴合；通过设置壳体和顶盖形成密封空间,将筛选作业设置在壳体内部进行,利用风机抽取壳体内部的空气,使得筛选过程中溅起的粉尘经过风机抽取进入到收集筒内,利用收集筒内防尘网来对粉尘进行收集,有效避免粉尘溢出的问题,保证了工作环境的良好。(The invention discloses a screening device for processing modified starch, which belongs to the technical field of modified starch and comprises a shell, wherein a top cover is attached to the upper surface of the shell through a lock catch a, bearings are symmetrically clamped on the left side surface and the right side surface of the inner side wall of the shell, the two bearings are sleeved on the outer surface of a rotating shaft, the left end of the rotating shaft is fixedly connected with an output shaft of a driving motor, the driving motor is fixedly installed on the left side surface of the shell, a cam is fixedly connected to the outer surface of the rotating shaft, and the upper surface of the cam is attached to the lower surface of a placing plate; form confined space through setting up casing and top cap, will screen the operation setting and go on inside the casing, utilize the fan to extract the inside air of casing for the dust that splashes in the screening process enters into the collecting vessel through the fan extraction, utilizes the interior dust screen of collecting vessel to collect the dust, effectively avoids the problem that the dust spills over, has guaranteed operational environment's good.)

1. The utility model provides a modified starch processing is with sieve material device, includes casing (1), its characterized in that: the upper surface of the shell (1) is provided with a top cover (2) through the attaching of a lock catch a, the left side and the right side of the inner side wall of the shell (1) are symmetrically connected with bearings (3) in a clamping manner, the two bearings (3) are both sleeved on the outer surface of a rotating shaft (4), the left end of the rotating shaft (4) is fixedly connected with an output shaft of a driving motor (5), the driving motor (5) is fixedly arranged on the left side surface of the shell (1), the outer surface of the rotating shaft (4) is also fixedly connected with a cam (6), the upper surface of the cam (6) is attached to the lower surface of a placing plate (7), the placing plate (7) is provided with a through hole, a screening cylinder (9) is arranged in the through hole, the lower surface of the inner side wall of the screening cylinder (9) is fixedly provided with a screen (15), the outer surface of the screening cylinder (9) is fixedly provided with an installing block (10), and the, the left side surface and the right side surface of the placing plate (7) are fixedly provided with trapezoidal sliders (8), the trapezoidal sliders (8) are connected to the inner side wall of the trapezoidal sliding groove in a sliding mode, the trapezoidal sliding groove is formed in the inner side wall of the shell (1), the back of the shell (1) is welded with the collecting barrel (11), the upper surface of the collecting barrel (11) is fixedly provided with a fan (12), the fan (12) and the driving motor (5) are electrically connected with an external power supply, an air inlet pipe of the fan (12) penetrates through a pipe sleeve a of the back clamping of the shell (1) and extends into the shell (1), an air outlet pipe of the fan (12) penetrates through a pipe sleeve b of the upper surface clamping of the collecting barrel (11) and extends into the collecting barrel (11), an air inlet is formed in the upper surface of the top cover (2), and a dust screen (13) is installed on the lower surface of the collecting barrel (, the front of casing (1) is articulated through the round pin axle and is installed chamber door (14), the front of chamber door (14) is through the laminating of the front of hasp b and casing (1), the inside of casing (1) is provided with storage cylinder (17), the lower surface of storage cylinder (17) is laminated with the lower surface of casing (1) inside wall.

2. The sieving device for modified starch processing according to claim 1, characterized in that: the upper surface fixed mounting of trapezoidal slider (8) has spring (16), the top of spring (16) and the upper surface fixed connection of trapezoidal spout inside wall.

3. The sieving device for modified starch processing according to claim 1, characterized in that: the number of the cams (6) is two, and the two cams (6) are respectively positioned at the left side and the right side of the outer surface of the rotating shaft (4).

4. The sieving device for modified starch processing according to claim 1, characterized in that: the number of the trapezoidal sliding blocks (8) is four, and the four trapezoidal sliding blocks (8) are symmetrically arranged on the left side and the right side of the placing plate (7).

5. The sieving device for modified starch processing according to claim 1, characterized in that: the number of the mounting blocks (10) is four, and the four mounting blocks (10) are mounted on the outer surface of the screening drum (9) in an annular array.

Technical Field

The invention belongs to the technical field of modified starch, and particularly relates to a screening device for processing modified starch.

Background

Based on the inherent characteristics of the natural starch, in order to improve the performance of the starch and expand the application range of the starch, the physical, chemical or enzymatic treatment is utilized to introduce new functional groups on starch molecules or change the size of the starch molecules and the properties of starch granules, thereby changing the natural characteristics of the starch and enabling the starch to be more suitable for the requirements of certain applications. The starch which is processed for the second time and has changed properties is commonly called modified starch, the purpose is to meet the requirements of various industrial applications, the new application of the starch is developed, the application range is expanded, the starch, hydroxyethyl starch and hydroxypropyl starch are used for replacing blood plasma in spinning, and the high cross-linked starch replaces talcum powder for surgical gloves.

Original modified starch is because being affected with damp and taking place the caking or the granule is great and can not process in the course of working, need filter it, produces the dust easily during the screening, and the dust spills over and brings the influence for operational environment easily, brings inconvenience for workman's work.

Disclosure of Invention

The invention aims to provide a screening device for processing modified starch, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a screening device for processing modified starch comprises a shell, wherein a top cover is mounted on the upper surface of the shell through a lock catch a in an attaching mode, bearings are symmetrically clamped on the left side surface and the right side surface of the inner side wall of the shell, the two bearings are both sleeved on the outer surface of a rotating shaft, the left end of the rotating shaft is fixedly connected with an output shaft of a driving motor, the driving motor is fixedly mounted on the left side surface of the shell, a cam is fixedly connected to the outer surface of the rotating shaft, the upper surface of the cam is attached to the lower surface of a placing plate, a through hole is formed in the placing plate, a screening cylinder is arranged in the through hole, a screen mesh is fixedly mounted on the lower surface of the inner side wall of the screening cylinder, a mounting block is fixedly mounted on the outer surface of the screening cylinder, the mounting block is fixedly mounted on the upper, the trapezoidal sliding block is connected with the inner side wall of the trapezoidal sliding chute in a sliding way, and the trapezoidal sliding chute is arranged on the inner side wall of the shell, the back of the shell is welded with a collecting cylinder, the upper surface of the collecting cylinder is fixedly provided with a fan, the fan and the driving motor are both electrically connected with an external power supply, an air inlet pipe of the fan penetrates through a pipe sleeve a clamped on the back of the shell and extends into the shell, an air outlet pipe of the fan penetrates through a pipe sleeve b clamped on the upper surface of the collecting cylinder and extends into the collecting cylinder, the upper surface of the top cover is provided with an air inlet, the lower surface of the collecting cylinder and the inner side wall of the air inlet are both provided with dust screens through bolts b, the front surface of the shell is hinged with a box door through a pin shaft, the front surface of the box door is attached to the front surface of the shell through a lock catch b, the inside of casing is provided with the storage cylinder, the lower surface of storage cylinder and the lower surface laminating of casing inside wall.

Preferably, the upper surface of the trapezoidal sliding block is fixedly provided with a spring, and the top end of the spring is fixedly connected with the upper surface of the inner side wall of the trapezoidal sliding groove.

Preferably, the number of the cams is two, and the two cams are respectively positioned at the left side and the right side of the outer surface of the rotating shaft.

Preferably, the number of the trapezoidal sliding blocks is four, and the four trapezoidal sliding blocks are symmetrically arranged on the left side and the right side of the placing plate in pairs.

Preferably, the number of the mounting blocks is four, and the four mounting blocks are arranged on the outer surface of the screening cylinder in an annular array.

Compared with the prior art, the invention has the beneficial effects that:

the shell and the top cover are arranged to form a sealed space, screening operation is carried out in the shell, air in the shell is extracted by the fan, dust splashed in the screening process is extracted by the fan and enters the collecting cylinder, and dust is collected by the dust screen in the collecting cylinder, so that the problem of dust overflow is effectively avoided, and the good working environment is ensured;

drive the epaxial cam rotation of commentaries on classics through driving motor, make place the board reciprocating motion from top to bottom that can be continuous under the effect of cam, and then can drive the filter cylinder and constantly reciprocate and filter the inside material of filter cylinder, promote the screening efficiency, it is effectual to filter, utilize trapezoidal slider to slide in trapezoidal spout simultaneously and support placing the board, make and place the board and reciprocate more stably, utilize the spring to receive the reverse action effect that the compression produced to act on trapezoidal slider, and then act on placing the board, make and place the board and can contact with the cam all the time, guarantee to place the stability that the board reciprocated.

Drawings

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

FIG. 2 is a schematic left-view half-section view of the present invention;

FIG. 3 is a schematic top view of the placement board of the present invention;

in the figure: 1. a housing; 2. a top cover; 3. a bearing; 4. a rotating shaft; 5. a drive motor; 6. a cam; 7. placing the plate; 8. a trapezoidal slider; 9. a screening cylinder; 10. mounting blocks; 11. a collection canister; 12. a fan; 13. a dust screen; 14. a box door; 15. screening a screen; 16. a spring; 17. a storage cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a screening device for processing modified starch comprises a shell 1, a top cover 2 is installed on the upper surface of the shell 1 through a lock catch a in an attaching mode, bearings 3 are symmetrically clamped on the left side surface and the right side surface of the inner side wall of the shell 1, the two bearings 3 are both sleeved on the outer surface of a rotating shaft 4, the left end of the rotating shaft 4 is fixedly connected with an output shaft of a driving motor 5, the driving motor 5 is fixedly installed on the left side surface of the shell 1, a cam 6 is further fixedly connected on the outer surface of the rotating shaft 4, the upper surface of the cam 6 is attached to the lower surface of a placing plate 7, a through hole is formed in the placing plate 7, a screening cylinder 9 is arranged in the through hole, a screen 15 is fixedly installed on the lower surface of the inner side wall of the screening cylinder 9, an installation block 10 is fixedly installed on the outer surface of the screening cylinder 9, the installation, 8 sliding connection of trapezoidal slider are at the inside wall of trapezoidal spout, and the inside wall at casing 1 is seted up to trapezoidal spout, the back welding of casing 1 has chimney 11, the last fixed surface of chimney 11 installs fan 12, fan 12 and driving motor 5 all with external power supply electric connection, the pipe box a that the air-supply line of fan 12 passed 1 back joint extends to inside the casing 1, the play tuber pipe of fan 12 passes pipe box b of 11 upper surface joints of chimney extends to inside the chimney 11, the air intake has been seted up to the upper surface of top cap 2, dust screen 13 is all installed through bolt b to the lower surface of chimney 11 and the inside wall of air intake, casing 1's front is through the articulated chamber door 14 of installing of round pin axle, the front of chamber door 14 is through the laminating of hasp b and casing 1's front, casing 1's inside is provided with storage barrel 17, the lower surface of storage barrel 17 and the laminating of the lower surface.

In the embodiment, the type of the driving motor 5 can be YE2-112M-4, and the type of the fan 12 can be FT 35-11.

In the embodiment, firstly, a worker opens the lock catch a to take off the top cover 2, materials are added into the screening cylinder 9, the top cover 2 is covered to be buckled with the lock catch a, the driving motor 5 and the fan 12 are started, the driving motor 5 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the cam 6 to rotate, so that the placing plate 7 continuously reciprocates up and down in the trapezoidal chute through the trapezoidal slider 8, the screening cylinder 9 is further driven to reciprocate up and down to screen internal materials, the screened materials enter the storage cylinder 17 to be collected, the materials with larger particles are left in the screening cylinder 9, meanwhile, the fan 12 extracts dust splashed inside the shell 1 in the screening process, the gas is extracted through the fan 12, enters the collection cylinder 11 to be filtered by the dust screen 13 and left in the collection cylinder 11, the gas is discharged, after the screening is completed, the box door 14 is opened through the lock catch b to take out the storage cylinder 17, the top cover, unscrew bolt a and remove the fixed of cartridge filter 9, take out cartridge filter 9 clearance large granule material, twist bolt a after the clearance and fix the waiting next screening to cartridge filter 9, can take off dust screen 13 through unscrewing bolt b and handle the recovery to the dust in the collecting vessel 11.

Specifically, a spring 16 is fixedly arranged on the upper surface of the trapezoidal sliding block 8, and the top end of the spring 16 is fixedly connected with the upper surface of the inner side wall of the trapezoidal sliding chute; by providing the spring 16, the trapezoidal slider 8 is acted on by the elastic action force of the spring 16, and further, the placing plate 7 is acted on so that the placing plate 7 can be always in contact with the cam 6.

Specifically, the number of the cams 6 is two, and the two cams 6 are respectively positioned at the left side and the right side of the outer surface of the rotating shaft 4; the placing plate 7 is supported synchronously by arranging the two cams 6, so that the placing plate 7 is more stable when moving up and down under the action of the cams 6.

Specifically, the number of the trapezoidal sliding blocks 8 is four, and the four trapezoidal sliding blocks 8 are symmetrically arranged on the left side and the right side of the placing plate 7 in pairs; utilize trapezoidal slider 8 to slide in trapezoidal spout and support placing board 7 for it is difficult for rocking and more stable when reciprocating to place board 7.

Specifically, the number of the mounting blocks 10 is four, and the four mounting blocks 10 are mounted on the outer surface of the screening cylinder 9 in an annular array; utilize four installation pieces 10 to install fixedly to the screen cylinder 9, it is fixed effectual, effectively avoid it to take place not hard up problem when reciprocating.

The working principle and the using process of the invention are as follows: firstly, a worker opens a lock catch a to take down a top cover 2, materials are added into a screening cylinder 9, the top cover 2 is covered to buckle the lock catch a, a driving motor 5 and a fan 12 are started, the driving motor 5 drives a rotating shaft 4 to rotate, the rotating shaft 4 drives a cam 6 to rotate so that a placing plate 7 can continuously reciprocate up and down in a trapezoidal chute through a trapezoidal sliding block 8, then the screening cylinder 9 is driven to reciprocate up and down to screen internal materials, the screened materials enter a storage cylinder 17 to be collected, the materials with larger particles are left in the screening cylinder 9, meanwhile, the fan 12 extracts dust splashed inside a shell 1 in the screening process, gas is extracted through the fan 12 and enters a collecting cylinder 11 to be filtered by a dust screen 13 and left in the collecting cylinder 11, the gas is discharged, after screening is finished, a box door 14 is opened through the lock catch b to take out the cylinder 17, the top cover 2 is taken down through the lock catch a, the bolt a is, take out the screen drum 9 clearance large granule material, twist bolt a after the clearance and fix the screen drum 9 and wait for next screening, can take off dust screen 13 through unscrewing bolt b and handle the recovery to the dust in the surge drum 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.