CN207844471U - The powder raw material conveying mechanism of toothpaste - Google Patents

Abstract

A kind of powder raw material conveying mechanism of toothpaste, it includes suction tube and the cyclone that is set gradually by suction end to the exhaust end of suction tube, cloth dust collector and roots blower, wherein, the suction end is provided with a material sucking mouth, the material sucking mouth is connected to the eddy flow air inlet of the cyclone, the discharging end of the cyclone is connected to the feed end of a mixing tank, the outlet air end of the cyclone is connected to the air inlet of the cloth dust collector, the outlet air end of the cloth dust collector is connected to the inlet end of the roots blower, the discharging end of the cyclone and cloth dust collector is respectively provided with a rotary valve；It is additionally provided with multiple charging threeways on the material sucking mouth to the suction tube between the cyclone, a drain hopper is connected by a rotary valve in each charging threeway.

Description

Powder raw material conveying mechanism for toothpaste

technical field

The utility model relates to the field of toothpaste production equipment, in particular to a powder raw material conveying mechanism for toothpaste.

Background technique

Toothpaste is a cleaning product commonly used in daily life and has a long history. However, in the production process of toothpaste, since the raw materials for toothpaste contain a large amount of powder, it is necessary to transport various powders to various reflection devices when mixing solid powders during the production process. In the conveying process of some ordinary powder materials, solid conveying equipment such as screw feeders or conveyor belts were mostly used in the past, but the conveyor belt is prone to generate dust during the conveying process, and it is easy to cause the powder to be polluted during the conveying process, while the spiral The feeder is not conducive to long-distance transportation. For the existing pneumatic conveying device, how to design a kind of pneumatic conveying mechanism suitable for conveying various powders in the toothpaste production process is the main technical problem to be studied and solved by the utility model.

Utility model content

The purpose of this utility model is to provide a toothpaste powder raw material conveying mechanism. The technical problem to be solved is: the existing devices for conveying solid materials such as powder mainly include solid conveying equipment such as screw feeders and conveyor belts. , but the screw feeder is not conducive to long-distance transportation, and the conveyor belt is prone to dust during the transportation process, and it is easy to cause the powder to be polluted during the transportation process.

In order to solve the above-mentioned technical problems, the utility model provides a toothpaste powder raw material conveying mechanism, which includes a suction pipe and a cyclone dust collector and a bag dust collector arranged sequentially from the suction end of the suction pipe to the exhaust end. And the Roots blower, wherein, the suction end is provided with a suction nozzle, the suction nozzle communicates with the cyclone air inlet of the cyclone dust collector, and the discharge end of the cyclone dust collector is connected to a mixing The feeding end of the material barrel, the air outlet end of the cyclone dust collector is connected to the air inlet of the bag dust collector, and the air outlet end of the bag dust collector is connected to the inlet end of the Roots blower , the feeding ends of the cyclone dust collector and the bag dust collector are respectively provided with a rotary valve; the suction pipe between the suction nozzle and the cyclone dust collector is also provided with a plurality of feeding tees , each of the feeding tees is connected to a discharge hopper through a rotary valve.

Preferably, the feeding tee is a tee with a T-shaped structure, and the straight pipe connection at the T-shaped head on the feeding tee is connected to one end corresponding to the suction nozzle as the suction end pipe and the other end as the exhaust pipe. Gas end pipe, one end of the T-shaped foot on the feeding tee is a feed end pipe, the mouth of the feed end pipe is connected to a discharge hopper through a rotary valve, and the suction The inner tube wall of the end pipe intersects with the feed end pipe and is coaxially provided with a spray nozzle corresponding to the exhaust end pipe, and the local inner pipe wall of the exhaust end pipe shrinks radially Form a Venturi tubular structure.

It is preferred that a horizontal partition separating the swirl air inlet from the air outlet is fixedly arranged near the upper end of the cyclone dust collector, and the vertical partitions on the horizontal partition are spirally distributed. A plurality of ventilation pipes for connecting the swirl air inlet and the air outlet are inserted, and the arrangement sequence of the ventilation pipes is parallel to the air inlet direction of the swirl air inlet, and the lower end of the ventilation pipe not lower than the lower edge of the swirl air inlet.

Preferably, a partition is fixedly arranged near the upper end of the bag filter to separate the air inlet on the side wall from the air outlet on the top, and the partition corresponds to where the air inlet is located. A plurality of cylindrical frame-shaped filter bag holders are evenly distributed on one side, and one axial end of the plurality of filter bag holders is fixedly mounted on the partition, and the partition corresponds to each of the filter bag holders. One end of the filter bag support in the axial direction is provided with communicating air holes, and the plurality of filter bag support are provided with filter bags corresponding to one by one.

Compared with the prior art, the beneficial effects brought by the utility model are:

1. The Roots fan installed at the end of the suction pipe can be used to provide negative pressure suction, so that different types of powdery materials can be sucked at the same time, and sent into the mixing tank for mixing, which is convenient and fast, and the materials will not be affected. Pollution also greatly increases the conveying distance of materials.

2. The inner walls of the two ends of the straight pipe on the feeding tee are respectively provided with structures with local pipe diameter shrinkage, so that the flow velocity of the part corresponding to the feeding pipe is accelerated, and a "vacuum" area is formed in this area, thereby greatly The ability to increase suction.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the feeding tee of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of the cyclone dust collector of the present invention.

Fig. 4 is a radial sectional structure diagram of the cyclone dust collector of the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the bag dust collector of the present invention.

Detailed ways

A toothpaste powder raw material conveying mechanism proposed by the utility model will be described in more detail below in conjunction with accompanying drawings 1-5 and preferred embodiments.

The utility model provides a toothpaste powder raw material conveying mechanism, which comprises a suction pipe 1 and a cyclone dust collector 2, a bag dust collector 3 and a suction pipe 1 sequentially arranged from the suction end to the exhaust end of the suction pipe 1. Ci fan 4, wherein, the suction end is provided with a suction nozzle 5, the suction nozzle 5 communicates with the swirl air inlet 21 of the cyclone dust collector 2, and the feeding end of the cyclone dust collector 2 Connected to the feed end of a mixing bucket 6, the air outlet end 22 of the cyclone dust collector 2 is connected to the air inlet 31 of the bag dust collector 3, and the air outlet end 32 of the bag dust collector 3 Connected to the intake end of the Roots blower 4, the feeding end of the cyclone dust collector 2 and the bag dust collector 3 are respectively provided with a rotary valve (23, 33); the suction nozzle 5 to the The suction pipe 1 between the cyclone dust collectors 2 is also provided with a plurality of feeding tees 7, and each of the feeding tees 7 is connected to a discharge hopper 8 through a rotary valve 71.

When the utility model is actually implemented, the Roots blower 4 starts to work, and one end of the suction nozzle 5 generates negative pressure suction, and then the suction nozzle 5 can be held in hand for suction, and a plurality of the feeding tees 7 The material in the discharge hopper 8 above can also be sucked into the suction pipe 1 through the rotary valve 71, and then sent into the cyclone dust collector 2, and the powder carried by the negative pressure airflow is in the cyclone. The dust collector 2 rotates and sinks, and then puts it into the mixing bucket 6 through the rotary valve 23, and the airflow after settling is sent out from the upper air outlet 22, and is discharged by the bag dust collector. The air inlet 31 of 3 enters the bag dust collector 3 for filtering, and the powder is further collected, and then the air flow is filtered and then discharged through the Roots blower 4. During this process, the bag dust collector 3 After being released by the rotary valve 33, the powder collected in the pump can be continuously sent into the suction pipe 1 through the suction nozzle 5, and finally sent into the mixing bucket 6 for mixing, and the multiple The feeding tee 7 can be used as a plurality of feeding windows to centrally transport different materials to the mixing tank 6 .

As shown in Figure 2, the feeding tee 7 is a tee with a T-shaped structure, and the end of the straight pipe connected to the T-shaped head on the feeding tee 7 corresponding to the suction nozzle 5 is the suction end The other end of the pipe 72 is an exhaust pipe 73, and the end of the T-shaped foot on the feeding tee 7 is a feed pipe 74, and the mouth of the feed pipe 74 passes through a rotary valve 71 One of the discharge hoppers 8 is connected, and a coaxial radial protrusion corresponding to the exhaust end pipe 73 is provided on the inner pipe wall of the suction end pipe 72 where it intersects with the feed end pipe 74 . Injection nozzle 75, the partial inner pipe wall of the exhaust end pipe 73 shrinks radially to form a Venturi tubular structure, and then utilizes the injection nozzle 75 to form a Venturi structure at the front end of the feed end pipe 74, The caliber of the injection nozzle 75 shrinks, so that the airflow can be accelerated and sent into the region corresponding to the feed end pipe 74, and continue to enter the Venturi tube structure in the next exhaust end pipe 73 to increase the speed again. In this process, the area corresponding to the feed end pipe 74 is located at the outlet front end of the venturi tube to generate a vacuum, and the powder in the area corresponding to the feed end pipe is sucked into the venturi tube and transported backward.

As shown in Figures 3 and 4, a horizontal partition 24 is fixedly arranged near the upper end of the cyclone dust collector 2 to separate the cyclone air inlet 21 from the air outlet 22, and the horizontal partition 24 A plurality of ventilation pipes 25 for communicating with the swirl air inlet 21 and the air outlet 22 are inserted vertically in a spiral line, and the arrangement sequence of the ventilation pipes 25 is more consistent with that of the swirl flow. The air inlet direction of the air inlet 21 is parallel, so as not to interfere with the operation of the air flow, and the multiple ventilation pipes 25 prevent the powder from escaping the cyclone dust collector 2 with the rising airflow as much as possible, and the ventilation pipes The lower end of 25 is not lower than the lower edge of the swirl air inlet 21, preventing the lower end of the vent pipe 25 from being buried in the collected powder.

As shown in Figure 5, a partition 34 separating the air inlet 31 on the side wall from the air outlet 32 on the top is fixedly arranged near the upper end of the bag filter 3, and the partition 34 is A plurality of cylindrical frame-shaped filter bag holders 35 are evenly distributed on the side surface corresponding to the air inlet 31, and one axial end of the plurality of filter bag holders 35 is fixedly installed on the partition plate 34 Above, the separator 34 is provided with communicating air holes 36 corresponding to one axial end of each of the filter bag holders 35 , and a plurality of filter bag holders 35 are respectively sleeved with filter bags 37 one by one.

In summary, the technical solution of the utility model can fully and effectively accomplish the purpose of the above utility model, and the structural principles and functional principles of the utility model have been fully verified in the embodiments, and the expected effect and purpose can be achieved , and the embodiments of the utility model can also be transformed according to these principles, therefore, the utility model includes all replacement contents within the range mentioned in the scope of the patent application. Any equivalent changes made within the patent scope of the utility model application all belong to the patent scope of the present case application.

Claims (4)

1. a kind of powder raw material conveying mechanism of toothpaste comprising suction tube and by suction tube suction end to exhaust end successively Cyclone, cloth dust collector and the roots blower of setting, wherein the suction end is provided with a material sucking mouth, the suction Material mouth is connected to the eddy flow air inlet of the cyclone, the discharging end of the cyclone be connected to mixing tank into Expect that end, the outlet air end of the cyclone are connected to the air inlet of the cloth dust collector, the outlet air of the cloth dust collector End is connected to the inlet end of the roots blower, and the discharging end of the cyclone and cloth dust collector is respectively provided with one Rotary valve；Multiple charging threeways are additionally provided on the material sucking mouth to the suction tube between the cyclone, it is each described A drain hopper is connected by a rotary valve in charging threeway.

2. the powder raw material conveying mechanism of toothpaste as described in claim 1, it is characterised in that：The charging threeway is T shape knots The threeway of structure, it is described charging threeway on be located at T forming heads portion straight tube connection corresponding to the material sucking mouth one end be air-breathing end pipe, The other end is exhaust end pipe, and one end that T shapes foot is located in the charging threeway is charging end pipe, the nozzle of the charging end pipe Connect a drain hopper by the rotary valve, and on the inner tubal wall of the air-breathing end pipe with the charging end pipe phase The jet blower for being convexly equipped with the correspondence exhaust end pipe of the position to cross coaxially, the local inner tubal wall of the exhaust end pipe are radial It inside contracts to form venturi tubular structure.

3. the powder raw material conveying mechanism of toothpaste as claimed in claim 2, it is characterised in that：It is close in the cyclone Upper-end part of driving is fixedly installed the lateral partitions for separating the eddy flow air inlet and outlet air end, is in the lateral partitions The distribution of spiral threadiness is inserted with the more snorkels for being connected to the eddy flow air inlet and outlet air end vertically, mostly with described logical Putting in order for tracheae is parallel with the air inlet direction of eddy flow air inlet, and the lower end of the snorkel is not less than the eddy flow The lower edge of air inlet.

4. the powder raw material conveying mechanism of toothpaste as claimed in claim 3, it is characterised in that：It is close in the bag filter Upper-end part of driving is fixedly installed a partition board for separating the outlet air end of the air inlet and top on side wall, on the partition board It is multiple corresponding to the equally distributed filter bag holder for being fixedly installed multiple cylinder frame shapes on the one side where the air inlet Axial one end of the filter bag holder is fixedly mounted on the partition board, corresponding each filter bag holder on the partition board Axial one end offers connection stomata, and filter bag is arranged with correspondingly respectively on multiple filter bag holders.