CN211537436U

CN211537436U - PVC batching compounding device

Info

Publication number: CN211537436U
Application number: CN201922449029.9U
Authority: CN
Inventors: 宋忠强
Original assignee: Henan Yuxinxin Technology Development Co ltd
Current assignee: Henan Yuxinxin Technology Development Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-22
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a PVC batching compounding device, including air conveyer, storage silo, powder title, raw material scale, transport flood dragon, oil storage tank and blender, air conveyer is connected with the storage silo, and in air conveyer sent the powder into the storage silo, the discharge gate of storage silo was called with the powder through carrying the flood dragon and is connected, and the discharge gate of powder title is connected with the blender through carrying the flood dragon, and the discharge gate of raw material scale is connected with the blender through carrying the flood dragon, and the oil storage tank setting is in one side of blender, and the blender is connected with the blender through sending oil pipe, send and install oil feed pump, metrometer and valve on the oil pipe, the oil feed pump is located the low reaches of valve, the metrometer is located the low reaches of oil feed pump. The utility model discloses an online ratio of each component of PVC mixture improves PVC's compounding efficiency, and the scraper blade can strike off the mixture that glues glutinous barrel internal surface moreover to improve compounding quality and efficiency, improved the utilization ratio of raw and other materials.

Description

PVC batching compounding device

Technical Field

The utility model relates to a PVC compounding technical field, especially PVC batching compounding device.

Background

PVC is white powder with an amorphous structure, the branching degree is small, the relative density is about 1.4, the glass transition temperature is 77-90 ℃, decomposition starts at about 170 ℃, the stability to light and heat is poor, the PVC can be decomposed to generate hydrogen chloride at more than 100 ℃ or after long-time sunshine insolation, further the hydrogen chloride is automatically catalyzed and decomposed to cause color change, the physical and mechanical properties are also rapidly reduced, and a stabilizer must be added in practical application to improve the stability to heat and light.

The molecular weight of the PVC produced industrially is generally within the range of 5-11 ten thousand, and the PVC has larger polydispersity, and the molecular weight is increased along with the reduction of polymerization temperature; without a fixed melting point, softening begins at 80-85 ℃, the temperature of 130 ℃ becomes a viscoelastic state, and the temperature of 160-180 ℃ begins to change into a viscous state; the composite material has good mechanical properties, the tensile strength is about 60MPa, and the impact strength is 5-10 kJ/m 2; has excellent dielectric properties.

PVC has been the most widely used plastic in the world and is used in a very wide range of applications. The product has wide application in building materials, industrial products, daily necessities, floor leathers, floor tiles, artificial leathers, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's shortcoming, provide PVC batching compounding device.

The purpose of the utility model is realized through the following technical scheme: PVC batching and mixing device, including pneumatic conveyor, storage silo, powder balance, raw material balance, transport flood dragon, oil storage tank and blender, pneumatic conveyor is connected with storage silo, and in pneumatic conveyor sent the powder into storage silo, the discharge gate of storage silo was called through carrying flood dragon and is connected with the powder, the discharge gate of powder balance is called through carrying flood dragon and is connected with the blender, the discharge gate of raw material balance is called through carrying flood dragon and is connected with the blender, the oil storage tank sets up in one side of blender, and the blender is connected with the blender through oil feed pipe, oil feed pump, meter and valve are installed to oil feed pipe, oil feed pump is located the low reaches of valve, the meter is located the low reaches of oil feed pump, the blender includes the barrel, the top cover is installed at the top of barrel, install agitating unit in the barrel, agitating unit includes (mixing) shaft, scraper blade and connecting rod, install the multilayer stirring rake on the (mixing) shaft, and each layer of stirring rake includes a plurality of connecting rods, and the one end of connecting rod is installed on the (mixing) shaft, and the scraper blade is installed to the other end of connecting rod, and the scraper blade laminating is on the inside wall of barrel, and the top and a agitator motor of (mixing) shaft are connected, and agitator motor installs on the upper end cover, and rotatable the installing in the bottom of barrel in the bottom of (mixing) shaft send the top lateral wall intercommunication of oil pipe and barrel.

Preferably, the scraper blade is provided with a material receiving surface, an arc-shaped back surface, a mounting surface A and a mounting surface B, the arc-shaped back surface and the material receiving surface form a triangular tip part, one side edge of the mounting surface A is connected with the material receiving surface at an angle, the other side edge of the mounting surface A is connected with one side edge of the mounting surface B at an angle, the other side edge of the mounting surface B is connected with the arc-shaped back surface, and the other end of the connecting rod is mounted on the mounting surface A.

Preferably, the mounting surface B is provided with a stirring plate through a locking screw B.

Preferably, the connecting rod is provided with a connecting lug, the connecting lug is provided with a through hole, the mounting surface A is provided with a threaded hole, and the scraper is mounted on the connecting rod through a locking screw A.

Preferably, each layer of stirring paddle comprises four connecting rods, and the connecting rods are uniformly distributed on the same circumference.

Preferably, the upper stirring paddle and the lower stirring paddle are arranged in a radially staggered mode, and the staggered angle is 45 degrees.

Preferably, the lower end face of the upper layer scraper is flush with the upper end face of the lower layer scraper.

Preferably, the bottom of the barrel is provided with a stepped groove, the bearing is arranged in the stepped groove, the bottom of the stirring shaft is sleeved in the bearing, the bottom of the barrel is also provided with a lower sealing cover, and the stepped groove is sealed by the lower sealing cover.

The utility model has the advantages of it is following: the utility model discloses a PVC batching compounding device, call through the powder, the online ratio of each component of PVC mixture can be realized to raw materials title and batch meter, thereby improve PVC's compounding efficiency, and set up multilayer stirring rake, and the setting of staggering of upper and lower two-layer stirring rake, be provided with a plurality of scraper blades on every layer of stirring rake, the scraper blade can strike off the mixture that glues glutinous barrel internal surface, make it participate in the compounding of material, thereby improve compounding quality and efficiency, the utilization ratio of raw and other materials has been improved, the waste of raw and other materials has been reduced, and the production cost is saved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic diagram of the structure of the mixer

FIG. 3 is a first schematic structural diagram of a stirring device;

FIG. 4 is a second schematic structural view of the stirring device;

FIG. 5 is a schematic cross-sectional view A-A of FIG. 2;

FIG. 6 is a schematic cross-sectional view of B-B of FIG. 2;

FIG. 7 is a schematic structural view of a connecting rod;

FIG. 8 is an enlarged schematic view at I of FIG. 4;

FIG. 9 is a schematic view of the construction of the squeegee;

in the figure, 1-stirring shaft, 2-connecting rod, 3-scraping plate, 4-stirring plate, 5-locking screw A, 6-locking screw B, 21-connecting lug, 31-material-facing surface, 32-arc back surface, 33-mounting surface A, 34-mounting surface B, 11-cylinder, 12-stirring device, 13-lower sealing cover, 14-upper end cover, 15-stirring motor, 16-liquid feeding pipe, 17-conveying auger, 18-storage bin, 19-step groove, 41-pneumatic conveyor, 42-powder scale, 43-raw material scale, 44-mixer, 45-oil storage tank, 46-oil feeding pump and 47-flowmeter.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the PVC batching and mixing device comprises a pneumatic conveyor, a storage bin, a powder scale, a raw material scale, a conveying auger, an oil storage tank and a mixer, wherein the pneumatic conveyor is connected with the storage bin and sends powder into the storage bin, the feeding end of the pneumatic conveyor is connected with a PVC powder bin, PVC powder is sent into the storage bin through the pneumatic conveyor, the discharge port of the storage bin is connected with the powder scale through the conveying auger, when batching is needed, the discharge port of the storage bin discharges the powder, the PVC powder is sent into the powder scale through the conveying auger, the powder scale weighs the PVC powder, when the PVC powder reaches a set weight, the discharge port of the storage bin is closed, the conveying auger stops feeding the powder, the discharge port of the powder scale is connected with the mixer through a conveying auger, when batching is needed, the discharge port of the powder scale is opened, and then the conveying auger sends the PVC powder into the mixer, further, the discharge end of the conveying screw conveyer is positioned inside the mixer.

In this embodiment, the discharge gate of raw materials title is connected with the blender through carrying the flood dragon, the raw materials title mainly is the auxiliary material, the volume of its auxiliary material is less, consequently, need not large-scale storage equipment, the raw materials is called a plurality ofly, each raw materials title corresponds an auxiliary material, when batching, the discharge gate of raw materials title is opened, the input volume of auxiliary material is calculated through the difference of weight around the raw materials title, after the auxiliary material blanking reaches the institute weight, the discharge gate of raw materials title is closed, at this moment, should carry the flood dragon and continue to work for a period of time, its purpose will carry the interior auxiliary material of flood dragon all to send into the blender, under general condition, carry the flood dragon and continue to work for 1-2 minutes again can.

In this embodiment, the oil storage tank sets up the one side at the blender, and the blender passes through oil feed pipe and is connected with the blender, installs oil feed pump, meter and valve on the oil feed pipe, and the oil feed pump is located the low reaches of valve, and the meter is located the low reaches of oil feed pump, and the meter is then measured the size of oil feed volume, and after reaching the formulation oil feed volume, the oil feed pump stop work.

In this embodiment, as shown in fig. 2, the blender includes the barrel, the upper end cover is installed at the top of barrel, install agitating unit in the barrel, as shown in fig. 4 and 3, agitating unit 12 includes (mixing) shaft 1, scraper blade 3 and stirring board 4, install the multilayer stirring rake on the (mixing) shaft 1, and each layer of stirring rake includes a plurality of connecting rods 2, in this embodiment, as shown in fig. 6 and 5, include four connecting rods 2 on each layer of stirring rake, and connecting rod 2 evenly distributed is on same circumference, the one end of connecting rod 2 is installed on (mixing) shaft 1, be convenient for the dismantlement of connecting rod 2, furthermore, set up the screw rod on the connecting rod 2, and set up the screw hole with screw rod complex on the (mixing) shaft 1, through the cooperation of screw rod and screw hole, realize the dismantled connection of connecting rod 2, thereby make connecting rod 2.

In this embodiment, as shown in fig. 9, the laminating of scraper blade 3 is on the inside wall of barrel 11, it is concrete, scraper blade 3 has and meets the charge level 31, the arc back 32, installation face a33 and installation face B34, furthermore, the arc back 32 constitutes triangle point portion with meeting the charge level 31, the tip of triangle point portion laminates with the inside wall of barrel 11 all the time, consequently, when the pivot rotates, triangle point portion can strike off the material that glues to the inside wall of barrel 11, make this material get back to the inside stirring that stirs of barrel 11, thereby improve the quality and the efficiency of PVC compounding, in this embodiment, the interval between arc back 32 and the barrel 11 inside wall reduces along the direction of rotation of pivot gradually, thereby avoid arc back 32 and barrel 11 to take place to interfere, guarantee scraper blade 3's normal operating.

In this embodiment, one side of the mounting surface a33 is connected to the material receiving surface 31 at an angle, the other side of the mounting surface a33 is connected to one side of the mounting surface B34 at an angle, the other side of the mounting surface B34 is connected to the arc-shaped back surface 32, the other end of the connecting rod 2 is mounted to the mounting surface a33, the stirring plate 4 is mounted to the mounting surface B34, as shown in fig. 7, the connecting rod 2 is provided with a connecting lug 21, the connecting lug 21 is provided with a through hole, a threaded hole is provided on the mounting surface a33, the scraper 3 is mounted to the connecting rod 2 via a locking screw a5, the scraper 3 contacts with the inner wall of the cylinder 11, so that during rotation of the rotating shaft, the scraper 3 scrapes off powder on the inner wall of the cylinder 11, the scraped powder enters the material receiving surface 31 into the cylinder 11, and during long-term scraping, the triangular tip of the scraper 3 is easily worn, thereby causing a gap between the scraper, so that the scraper 3 can not scrape the powder on the inner wall of the cylinder 11, and at the moment, the locking screw A5 is loosened and a new scraper 3 is replaced.

In this embodiment, as shown in fig. 8, a threaded hole is also opened on the mounting surface B34 of the scraper blade 3, the stirring plate 4 is mounted on the mounting surface B34 of the scraper blade 3 through a locking screw B6, the stirring plate 4 can accelerate the mixing of raw materials, the mixing efficiency is improved, and the stirring plate 4 only plays a role in stirring, the wear of the stirring plate is small, even after the wear, the stirring plate can be used normally, so the use length of the stirring plate 4 is long, the stirring plate 4 is detachably connected with the scraper blade 3, only the scraper blade 3 needs to be replaced after the scraper blade 3 is damaged, the stirring plate 4 does not need to be replaced, and the replacement cost and the operation cost of products are reduced.

In this embodiment, upper stirring rake and the setting of radially staggering of lower floor's stirring rake, and the angle of staggering is 45, and is further, and the lower terminal surface of upper scraper blade 3 flushes with the up end of lower floor's scraper blade 3, consequently on the axial direction, the internal surface of cover barrel 11 that a plurality of scraper blade 3 can be large-area for it strikes off all to glue glutinous material on the 11 inner walls of barrel between upper scraper blade 3 and the lower floor's scraper blade 3, thereby further improvement compounding quality and compounding efficiency.

In this embodiment, the top end of (mixing) shaft is connected with a agitator motor 15, and agitator motor 15 installs on upper end cover 14, and the bottom of (mixing) shaft is rotatable installs in the bottom of barrel 11, still installs a plurality of liquid feeding pipes 16 on upper end cover 14, and the liquid outlet of liquid feeding pipe 16 is located barrel 11, through liquid feeding pipe 16, can add modifiers such as plasticizer, emollient, stabilizer in barrel 11, realizes the compounding of PVC.

In this embodiment, a ladder groove 19 has been seted up to the bottom of barrel 11, installs the bearing in the ladder groove 19, and the bottom suit of (mixing) shaft is in the bearing, and lower sealing cover 13 is still installed to the bottom of barrel 11, and lower sealing cover 13 is sealed ladder groove 19, and through the bearing, the (mixing) shaft can rotate relative to barrel 11, and lower sealing cover 13 then can avoid the powder to enter into ladder groove 19 to guarantee the life of bearing.

In this embodiment, after the PVC powder is mixed, upper end cover 14 can be opened, the PVC mixture that will mix is taken out, also can set up the discharging pipe in the bottom of barrel 11, opens the valve on the discharging pipe, discharges the PVC mixture.

The working process of the utility model is as follows: .

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

PVC batching compounding device, its characterized in that: the device comprises an air conveyor, a storage bin, a powder scale, a raw material scale, a conveying auger, an oil storage tank and a mixer, wherein the air conveyor is connected with the storage bin, the air conveyor sends powder into the storage bin, a discharge port of the storage bin is connected with the powder scale through the conveying auger, a discharge port of the powder scale is connected with the mixer through the conveying auger, a discharge port of the raw material scale is connected with the mixer through the conveying auger, the oil storage tank is arranged on one side of the mixer, the mixer is connected with the mixer through an oil feeding pipe, the oil feeding pipe is provided with an oil feeding pump, a metering gauge and a valve, the oil feeding pump is positioned at the downstream of the valve, the metering gauge is positioned at the downstream of the oil feeding pump, the mixer comprises a cylinder body, an upper end cover is arranged at the top of the cylinder body, and a stirring device is arranged in the cylinder body, agitating unit includes (mixing) shaft, scraper blade and connecting rod, install multilayer stirring rake on the (mixing) shaft, and each layer the stirring rake includes a plurality of connecting rods, the one end of connecting rod is installed on the (mixing) shaft, the scraper blade is installed to the other end of connecting rod, the scraper blade laminating is in on the inside wall of barrel, the top and a agitator motor of (mixing) shaft are connected, agitator motor installs on the upper end cover, the rotatable installation in bottom of (mixing) shaft the bottom of barrel, send oil pipe with the top lateral wall intercommunication of barrel.
2. The PVC batching compounding device of claim 1, characterized in that: the scraper blade is provided with a material receiving surface, an arc-shaped back surface, a mounting surface A and a mounting surface B, the arc-shaped back surface and the material receiving surface form a triangular tip part, one side edge of the mounting surface A is connected with the material receiving surface at an angle, the other side edge of the mounting surface A is connected with one side edge of the mounting surface B at an angle, the other side edge of the mounting surface B is connected with the arc-shaped back surface, and the other end of the connecting rod is mounted on the mounting surface A.
3. The PVC ingredient compounding device of claim 2, characterized in that: and the mounting surface B is provided with a stirring plate through a locking screw B.
4. The PVC ingredient compounding device of claim 3, characterized in that: the scraper is characterized in that a connecting lug is arranged on the connecting rod, a through hole is formed in the connecting lug, a threaded hole is formed in the mounting surface A, and the scraper is mounted on the connecting rod through a locking screw A.
5. The PVC batching compounding device of claim 4, characterized in that: each layer including four connecting rods on the stirring rake, just the connecting rod evenly distributed is on same circumference.
6. The PVC ingredient compounding device of claim 5, characterized in that: the upper strata stirring rake and lower floor the radial setting of staggering of stirring rake, and the angle of staggering is 45.
7. The PVC batching compounding device of claim 6, characterized in that: the lower end face of the upper layer of the scraper is flush with the upper end face of the lower layer of the scraper.
8. The PVC ingredient compounding device of claim 7, characterized in that: a ladder groove has been seted up to the bottom of barrel, the bearing is installed to the ladder inslot, the bottom suit of (mixing) shaft is in the bearing, the bottom of barrel still installs lower sealing cover, lower sealing cover will the ladder groove is sealed.