CN210846226U

CN210846226U - A dispersion devices for pressure-sensitive adhesive preparation

Info

Publication number: CN210846226U
Application number: CN201920904720.9U
Authority: CN
Inventors: 吴文彦
Original assignee: Shenzhen Lida Innovation Technology Co ltd
Current assignee: Shenzhen Lida Innovation Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-06-26
Anticipated expiration: 2029-06-14

Abstract

A dispersing device for manufacturing pressure-sensitive adhesive comprises an upper machine base, a lower machine base, a charging bucket, a dispersing mechanism, a lifting shaft, a sealing base, a return spring, a lifting cover, a roller and a cam assembly; the material barrel is arranged on the lower base, the dispersing mechanism is arranged on the upper base, and the power output end of the dispersing mechanism is positioned in the material barrel; the bottom of the charging bucket is provided with a through hole, the sealing seat is sleeved outside the lifting shaft and is fixedly arranged in the through hole at the bottom of the charging bucket, and the top of the sealing seat is higher than the inner bottom surface of the charging bucket; a spring cavity is arranged between the lifting shaft and the sealing seat, and the return spring is positioned in the spring cavity and is sleeved outside the lifting shaft; the lifting cover is arranged at the upper end of the lifting shaft and is in contact fit with the inner bottom surface of the charging bucket; the lower end of the lifting shaft penetrates through a through hole in the bottom of the charging bucket and is provided with a roller cavity, a roller middle shaft is arranged in the middle of the roller, the roller is installed in the roller cavity of the lifting shaft through the roller middle shaft, and the cam component is arranged on the lower machine base and is in close contact fit with the roller. The scheme can effectively reduce precipitation and improve dispersion uniformity.

Description

A dispersion devices for pressure-sensitive adhesive preparation

Technical Field

The utility model relates to a pressure-sensitive adhesive production technical field specifically relates to a dispersion devices for pressure-sensitive adhesive preparation.

Background

Pressure-sensitive adhesives are short for pressure-sensitive adhesives, and are a class of pressure-sensitive adhesives. According to the difference of the characters and dispersion media, the pressure-sensitive adhesive can be divided into water-soluble pressure-sensitive adhesive, solvent-type pressure-sensitive adhesive, emulsion-type pressure-sensitive adhesive, hot-melt pressure-sensitive adhesive and ductility pressure-sensitive adhesive, wherein the water-soluble pressure-sensitive adhesive needs to be dispersed and emulsified by a dispersion machine, the dispersion machine usually adopts a stirrer to realize the purpose of dispersion and emulsification, but partial components of the pressure-sensitive adhesive can generate precipitation due to dead weight, the precipitation is usually positioned below the stirrer, effective dispersion and emulsification cannot be obtained, and the defect of uneven dispersion exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a dispersion devices for pressure-sensitive adhesive preparation, this kind of dispersion devices for pressure-sensitive adhesive preparation can effectively reduce the sediment, improves dispersion uniformity.

The utility model adopts the technical scheme as follows:

a dispersing device for manufacturing pressure-sensitive adhesive comprises an upper machine base, a lower machine base, a charging bucket, a dispersing mechanism, a lifting shaft, a sealing base, a return spring, a lifting cover, a roller and a cam assembly; the material barrel is arranged on the lower base, the dispersing mechanism is arranged on the upper base, the power output end of the dispersing mechanism is positioned in the material barrel, a through hole is formed in the bottom of the material barrel, the sealing seat is sleeved outside the lifting shaft and fixedly arranged in the through hole in the bottom of the material barrel, and the top of the sealing seat is higher than the inner bottom surface of the material barrel; a spring cavity is formed between the lifting shaft and the sealing seat, a return spring is arranged in the spring cavity and sleeved outside the lifting shaft, the upper end of the return spring is connected with the lifting shaft, and the lower end of the return spring is connected with the sealing seat; the lifting cover is arranged at the upper end of the lifting shaft and is in contact fit with the inner bottom surface of the charging bucket, and the top of the sealing seat is positioned at the inner side of the lifting cover; the lower end of the lifting shaft penetrates through a through hole in the bottom of the charging bucket and is provided with a roller cavity, a roller middle shaft is arranged in the middle of the roller, the roller is installed in the roller cavity of the lifting shaft through the roller middle shaft, and the cam component is arranged on the lower machine base and is in close contact fit with the roller.

In the working process of the dispersing device, the dispersing mechanism is used for dispersing or stirring the rubber material in the charging basket, and the cam component rotates; because the rollers are positioned in the roller cavities at the lower end of the lifting shaft and the cam assembly is in rolling contact fit with the rollers, when the cam assembly rotates to the convex part to be upward, the positions of the rollers are lifted along with the lifting, the lifting shaft is pushed to overcome the tensile force of the return spring to move upward, the lifting cover moves upward, and along with the downward rotation of the convex part of the cam assembly, the return spring pulls the lifting shaft downward, so that the rollers are in close contact fit with the cam assembly all the time; the rotation of the cam component is converted into the vertical linear motion of the roller to drive the lifting shaft and the lifting cover to vertically linearly move, so that the sediment at the bottom of the charging basket is broken, the rubber material continuously diffuses upwards and is effectively dispersed and emulsified under the action of the dispersing mechanism, and the dispersing uniformity is improved.

The dispersing mechanism generally adopts a structure that a motor, a rotating shaft and a dispersing disc are matched, the motor is installed on the upper machine base, the upper end of the rotating shaft is in transmission connection with the motor, and the dispersing disc is installed at the lower end of the rotating shaft and is located in the charging bucket. The dispersing mechanism can also adopt a structure that a motor, a rotating shaft and stirring blades are matched, the motor is connected with the rotating shaft through a speed reducer, and the stirring blades are arranged at the lower end of the rotating shaft and are positioned in the charging bucket. The dispersing mechanism is not the focus of the invention and will not be described in detail here.

As the utility model discloses a preferred scheme, a dispersion devices for pressure-sensitive adhesive preparation still includes the spacer pin, the last spacing groove of having seted up of lifting shaft, the spacer pin is in the spacing groove and installs on the seal receptacle. In the process of the vertical linear motion of the lifting shaft, the limiting pin is always positioned in the limiting groove, so that the surface of the cam component is ensured to be in pure rolling contact with the roller, friction in the horizontal direction does not exist, and the abrasion on the surface of the cam component is greatly reduced.

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a cooperation between cam pack and the roller to under reset spring's effect, cam pack's rotation converts the upper and lower linear motion of roller into, drives lift axle and lift lid linear motion from top to bottom, thereby effectively reduces the sediment, improves dispersion uniformity.

Drawings

Fig. 1 is a schematic structural view of a dispersing device for manufacturing pressure-sensitive adhesive according to the present invention.

Detailed Description

The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, a dispersing device for manufacturing pressure-sensitive adhesive comprises an upper machine base 1, a lower machine base 2, a charging basket 3, a dispersing mechanism 4, a lifting shaft 5, a sealing base 6, a return spring 7, a limit pin 8, a lifting cover 9, a roller 10 and a cam assembly 11; the charging bucket 3 is arranged on the lower machine base 2, the dispersing mechanism 4 is arranged on the upper machine base 1, and the power output end of the dispersing mechanism 4 is positioned in the charging bucket 3. Wherein, the bottom of the charging basket 3 is provided with a through hole, the sealing seat 6 is sleeved outside the lifting shaft 5 and is fixedly arranged in the through hole at the bottom of the charging basket 3, and the top of the sealing seat 6 is higher than the inner bottom surface of the charging basket 3; a spring cavity 12 is formed between the lifting shaft 5 and the sealing seat 6, the reset spring 7 is located in the spring cavity 12 and sleeved outside the lifting shaft 5, the upper end of the reset spring 7 is connected with the lifting shaft 5, and the lower end of the reset spring 7 is connected with the sealing seat 6. A limit groove is formed in the lifting shaft 5, and a limit pin 8 is positioned in the limit groove and is arranged on the sealing seat 6; the lifting cover 9 is arranged at the upper end of the lifting shaft 5 and is in contact fit with the inner bottom surface of the charging bucket 3, and the top of the sealing seat 6 is positioned at the inner side of the lifting cover 9; the lower end of the lifting shaft 5 penetrates through a through hole in the bottom of the charging bucket 3 and is provided with a roller cavity 13, a roller middle shaft 14 is arranged in the middle of the roller 10, the roller 10 is installed in the roller cavity 13 of the lifting shaft 5 through the roller middle shaft 14, and the cam component 11 is arranged on the lower base 2 and is in close contact fit with the roller 10.

The dispersing mechanism 4 generally adopts a structure that a motor, a rotating shaft and a dispersing disc are matched, the motor is installed on the upper machine base 1, the upper end of the rotating shaft is in transmission connection with the motor, and the dispersing disc is installed at the lower end of the rotating shaft and is positioned in the charging bucket 3. Above-mentioned dispersion mechanism 4 also can adopt motor, pivot, stirring vane matched with structure, and the motor passes through the speed reducer to be connected with the pivot, and stirring vane installs the lower extreme at the pivot and is in storage bucket 3.

In the working process of the dispersing device, the dispersing mechanism 4 disperses or stirs the sizing material in the charging basket 3, and the cam component 11 rotates; because the roller 10 is arranged in the roller cavity 13 at the lower end of the lifting shaft 5 and the cam assembly 11 is in rolling contact fit with the roller 10, when the cam assembly 11 rotates to the convex part upwards, the position of the roller 10 is lifted along with the lifting and pushes the lifting shaft 5 to move upwards against the pulling force of the return spring 7, the lifting cover 9 moves upwards, and as the convex part of the cam assembly 11 rotates downwards, the return spring 7 pulls the lifting shaft 5 downwards, so that the roller 10 is always in close contact fit with the cam assembly 11; therefore, the rotation of the cam component 11 is converted into the up-and-down linear motion of the roller 10, the lifting shaft 5 and the lifting cover 9 are driven to move up and down linearly, the sediment at the bottom of the charging basket 3 is broken, the rubber materials continuously diffuse upwards and are effectively dispersed and emulsified under the action of the dispersing mechanism 4, and the dispersing uniformity is improved. In the process of the up-and-down linear motion of the lifting shaft 5, the limit pin 8 is always positioned in the limit groove, so that the surface of the cam component 11 is ensured to be in pure rolling contact with the roller 10, friction in the horizontal direction does not exist, and the abrasion on the surface of the cam component 11 is greatly reduced.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a dispersion devices for pressure-sensitive adhesive preparation, includes frame, lower frame, storage bucket and dispersion mechanism, and the storage bucket is installed under on the frame, and dispersion mechanism installs on last frame and dispersion mechanism's power take off end is in the storage bucket, characterized by: the lifting shaft, the sealing seat, the return spring, the lifting cover, the roller and the cam assembly are further included; the bottom of the charging bucket is provided with a through hole, the sealing seat is sleeved outside the lifting shaft and is fixedly arranged in the through hole at the bottom of the charging bucket, and the top of the sealing seat is higher than the inner bottom surface of the charging bucket; a spring cavity is formed between the lifting shaft and the sealing seat, a return spring is arranged in the spring cavity and sleeved outside the lifting shaft, the upper end of the return spring is connected with the lifting shaft, and the lower end of the return spring is connected with the sealing seat; the lifting cover is arranged at the upper end of the lifting shaft and is in contact fit with the inner bottom surface of the charging bucket, and the top of the sealing seat is positioned at the inner side of the lifting cover; the lower end of the lifting shaft penetrates through a through hole in the bottom of the charging bucket and is provided with a roller cavity, a roller middle shaft is arranged in the middle of the roller, the roller is installed in the roller cavity of the lifting shaft through the roller middle shaft, and the cam component is arranged on the lower machine base and is in close contact fit with the roller.

2. A dispensing apparatus for pressure sensitive adhesive manufacture as defined in claim 1, wherein: the dispersing device for manufacturing the pressure-sensitive adhesive further comprises a limiting pin, wherein a limiting groove is formed in the lifting shaft, and the limiting pin is located in the limiting groove and is installed on the sealing seat.