Vacuum feeding machine

Abstract

The utility model relates to the technical field of vacuum feeding machines, and discloses a vacuum feeding machine which comprises an installation frame and a vacuum feeding machine body, a material suction pipe is connected to the vacuum feeding machine body, the vacuum feeding machine further comprises a drying assembly arranged outside the material suction pipe, and the drying assembly is used for drying raw materials sucked by the material suction pipe. The material stirring assembly is arranged on the material suction pipe and located on the rear section of the drying assembly, and the material stirring assembly comprises a connecting shaft rotationally connected to the interior of the material suction pipe; when the semicircular plate rotates, on one hand, raw materials adhering to the inner wall of the material suction pipe can be scraped off, and resistance between the inner wall of the material suction pipe and the raw materials is reduced; on the other hand, the raw materials are driven to pass through the passing groove provided with the material scattering piece, continuous upward movement of the raw materials is achieved, then, the inclined material distribution strips in different inclined directions can act on the agglomerated raw materials from different angles, and compared with a single-direction material distribution structure, the tearing and separation of agglomerates are more comprehensive.

Description

Technical Field

[0001] This utility model relates to the field of vacuum feeding machine technology, and in particular to a vacuum feeding machine. Background Technology

[0002] A vacuum feeder is a dust-free, closed-loop pipeline conveying device that uses vacuum suction to transport granular and powdery materials. In the production of 8-hydroxyquinoline and copper 8-hydroxyquinoline, the conveying and mixing of various raw materials are involved. For example, a vacuum feeder can be used to transport various raw materials such as o-aminophenol and o-nitrophenol to a reaction vessel for cyclization, neutralization, and distillation processes to synthesize 8-hydroxyquinoline.

[0003] When current vacuum feeders use suction pipes to extract chemical raw materials, some of these materials have special physicochemical properties. They easily absorb moisture from the environment, and the water molecules cause their viscosity to increase significantly. Due to the increased viscosity, the attraction between the chemical raw material particles is enhanced, making them prone to agglomeration. Originally dispersed particles gradually gather together to form larger lumps. At the same time, the increased viscosity of the raw material makes it very easy to adhere to the inner wall of the pipe when it comes into contact with it. Over time, the raw material adhering to the inner wall of the pipe accumulates, which not only affects the effective conveying area of ​​the pipe and reduces the conveying efficiency, but may even cause the pipe to become blocked, seriously affecting the normal operation of the vacuum feeder. Utility Model Content

[0004] This utility model proposes a vacuum feeder to solve the problem that the high viscosity of chemical raw materials affects the feeding process when existing vacuum feeders are used to transport chemical raw materials.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum feeder, comprising a mounting frame and a vacuum feeder body mounted on the mounting frame, wherein a suction pipe is connected to the vacuum feeder body, and further comprising:

[0006] A drying assembly is disposed outside the suction pipe, and the drying assembly is used to dry the raw materials sucked up by the suction pipe;

[0007] The material feeding assembly is mounted on the suction pipe and located at the rear of the drying assembly. The material feeding assembly includes a connecting shaft rotatably connected inside the suction pipe. A small motor is installed at one end of the connecting shaft outside the suction pipe. Three semi-circular plates are fixed in a ring array outside the connecting shaft. The semi-circular plates have through grooves, and the arc-shaped edges of the semi-circular plates are attached to the inner wall of the suction pipe. A material dispensing component is provided in the through groove.

[0008] Preferably, the bulk material component includes a plurality of straight material distribution strips arranged equidistantly and parallel within the passage groove, and each of the straight material distribution strips has a material distribution blade at both ends.

[0009] Preferably, the bulk material component includes a plurality of inclined dividing strips disposed at an angle within the passage groove, each of the inclined dividing strips having a dividing blade at both ends, and the sidewalls of the inclined dividing strips being connected to a rotatable rotating lever.

[0010] Preferably, the rotating lever is eccentrically hinged, and the deflection directions of two adjacent rotating levers are opposite.

[0011] Preferably, the drying assembly includes a sleeve fixed to the outside of the suction pipe, the sleeve having a water chamber and a heating chamber from the inside to the outside, and an electric heating ring installed in the heating chamber.

[0012] Preferably, a heat-conducting insulating layer is provided between the water cavity and the heating cavity.

[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0014] (1) The drying component of this utility model uses the water chamber and heating chamber structure inside the sleeve to generate heat through the electric heating ring, which is transferred through the heat-conducting insulation layer to raise the water temperature, thereby raising the temperature of the suction pipe and drying the extracted raw materials. This process reduces the adhesion between raw materials, reduces raw material agglomeration, and is beneficial to the operation of the subsequent feeding component and improves the efficiency of subsequent reactions.

[0015] (2) When the semi-circular plate of the feeding assembly rotates in this utility model, it can scrape off the raw material adhering to the inner wall of the suction pipe, reduce the resistance between the inner wall of the suction pipe and the raw material, and reduce the occurrence of blockage; on the other hand, it can drive the raw material through the through groove with the material dispersing part to realize the continuous upward movement of the raw material.

[0016] (3) The inclined material dividing strips of the bulk material are inclined and have dividing blades at both ends. The inclined material dividing strips with different inclination directions can act on the agglomerated raw materials from different angles. Compared with the single-direction dividing structure, the tearing and separation of the agglomerated body is more comprehensive. At the same time, the eccentrically set rotating plate with opposite deflection direction further increases the dividing direction and greatly expands the dividing effect. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional view of the suction tube of this utility model;

[0020] Figure 3 This is a schematic diagram of the material feeding assembly of this utility model;

[0021] Figure 4 This is a cross-sectional view of the drying assembly of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the second embodiment of the semi-circular plate of this utility model;

[0023] In the diagram: 1. Mounting frame; 2. Suction pipe; 3. Drying assembly; 31. Sleeve; 32. Heating chamber; 33. Water chamber; 34. Electric heating ring; 4. Feeding assembly; 41. Small motor; 42. Connecting shaft; 43. Semi-circular plate; 44. Through groove; 45. Straight feed bar; 46. Inclined feed bar; 47. Rotating feeder plate; 5. Vacuum feeder body. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] like Figures 1-4 As shown, a vacuum feeder includes a mounting frame 1 and a vacuum feeder body 5 mounted on the mounting frame 1. The vacuum feeder body 5 mainly consists of a vacuum pump, a suction pipe, a separator, etc., which are existing technologies, and their specific structures and components will not be described in detail here. The vacuum feeder body 5 is connected to a suction pipe 2 for absorbing raw materials, and also includes a drying component 3 and a material feeding component 4. The drying component 3 is located outside the suction pipe 2 and is used to dry the raw materials absorbed by the suction pipe 2. The material feeding component 4 is located on the suction pipe 2 and is situated after the drying component 3, i.e., drying is performed before feeding. The material is dispersed. The material dispensing assembly 4 includes a connecting shaft 42 rotatably connected inside the suction pipe 2. One end of the connecting shaft 42 is equipped with a small motor 41 located outside the suction pipe 2. Three semi-circular plates 43 are fixed in a ring array outside the connecting shaft 42. A through groove 44 is provided on the semi-circular plate 43, and the arc-shaped edge of the semi-circular plate 43 is attached to the inner wall of the suction pipe 2, so that when the semi-circular plate 43 rotates, the raw material adhering to the inner wall of the suction pipe 2 at the semi-circular plate 43 can be scraped off. A material dispersing component is provided in the through groove 44. The material dispersing component is used to disperse the clumps of raw material to facilitate subsequent rapid reaction.

[0027] The aforementioned suction pipe 2 is at least partially a rigid pipe, ensuring that the suction pipe 2 at the installation locations of the drying assembly 3 and the feeding assembly 4 is a rigid pipe.

[0028] Among them, see Figure 3 As shown, the bulk material includes multiple straight dividing strips 45 that are equidistant and parallel to each other in the through groove 44, and each of the two ends of the straight dividing strip 45 is provided with a dividing blade.

[0029] See Figure 2 and Figure 4 As shown, the drying assembly 3 includes a sleeve 31 fixed to the outside of the suction pipe 2. The sleeve 31 has a water chamber 33 and a heating chamber 32 arranged from the inside out. An electric heating ring 34 is installed inside the heating chamber 32. The electric heating ring 34 is a heating device, typically composed of a resistance wire, insulating material, and a metal shell. It generates heat by passing an electric current through the resistance wire. A thermally conductive insulating layer is provided between the water chamber 33 and the heating chamber 32. This layer facilitates heat transfer and rapid heating of the water in the water chamber 33. The heated water then heats the suction pipe 2, thereby achieving a certain degree of drying of the raw material.

[0030] As described above, when using the vacuum feeder body 5 to extract chemical raw materials for feeding, the raw materials are first dried to a certain extent by the drying component 3 after being extracted by the suction pipe 2, which reduces the adhesion between the raw materials. After the raw materials pass through the drying component 3, the output end of the small motor 41 will drive the connecting shaft 42 to rotate, which in turn drives the three semi-circular plates 43 to rotate continuously, so that the raw materials continue to move upward through the through groove 44. During the process of the raw materials passing through the through groove 44, the straight dividing strip 45 with the dividing blade can disperse the passing raw materials, prevent them from agglomerating, and facilitate subsequent reactions.

[0031] During the rotation of the semi-circular plate 43, the raw material adhering to the inner wall of the suction pipe 2 can also be scraped off, reducing the resistance between the semi-circular plate 43 and the inner wall of the suction pipe 2, and reducing the occurrence of blockage.

[0032] Example 2

[0033] See Figure 5 As shown, the difference between this embodiment and embodiment one is that the bulk material component includes multiple inclined dividing strips 46 inclinedly disposed in the through groove 44. Both ends of the inclined dividing strips 46 are provided with dividing blades, and the side walls of the inclined dividing strips 46 are connected to rotatable rotating plates 47.

[0034] Among them, the rotating dial 47 is eccentrically hinged, and the deflection directions of two adjacent rotating dials 47 are opposite.

[0035] As described above, after the raw materials pass through the drying component 3, the inclined dividing strips 46 with dividing blades can also be used to disperse the raw materials and prevent them from agglomerating. Since the inclined dividing strips 46 are inclined and the two sides are inclined in different directions, the inclined dividing strips 46 on both sides with different inclination directions can act on the agglomerated raw materials from different angles. Compared with the single-direction dividing structure, it can more comprehensively tear and separate the agglomerates. Secondly, the eccentrically set rotating baffle 47 can further increase the dividing direction, expand the dividing effect, and further improve the overall dividing quality.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A vacuum feeder, comprising a mounting frame (1) and a vacuum feeder body (5) mounted on the mounting frame (1), wherein a suction pipe (2) is connected to the vacuum feeder body (5), characterized in that, It also includes: A drying assembly (3) is disposed outside the suction pipe (2), and the drying assembly (3) is used to dry the raw material sucked by the suction pipe (2); Material feeding assembly (4) is provided on the suction pipe (2) and located at the rear end of the drying assembly (3). The material feeding assembly (4) includes a connecting shaft (42) rotatably connected inside the suction pipe (2). One end of the connecting shaft (42) is equipped with a small motor (41) located outside the suction pipe (2). Three semi-circular plates (43) are fixed in a ring array outside the connecting shaft (42). A through groove (44) is provided on the semi-circular plate (43). The arc edge of the semi-circular plate (43) is attached to the inner wall of the suction pipe (2). A loose material component is provided in the through groove (44).

2. The vacuum feeder according to claim 1, characterized in that: The bulk material component includes a plurality of straight material distribution strips (45) arranged equidistantly and parallel within the through groove (44), and each end of the straight material distribution strip (45) is provided with a material distribution blade.

3. The vacuum feeder according to claim 1, characterized in that: The bulk material component includes multiple inclined dividing strips (46) inclinedly disposed in the through groove (44). Both ends of the inclined dividing strips (46) are provided with dividing blades, and the sidewalls of the inclined dividing strips (46) are connected to rotatable rotating plates (47).

4. A vacuum feeder according to claim 3, characterized in that: The rotating dial (47) is eccentrically hinged, and the deflection directions of two adjacent rotating dials (47) are opposite.

5. A vacuum feeder according to claim 1, characterized in that: The drying assembly (3) includes a sleeve (31) fixed outside the suction pipe (2). The sleeve (31) has a water chamber (33) and a heating chamber (32) from the inside to the outside. An electric heating ring (34) is installed in the heating chamber (32).

6. A vacuum feeder according to claim 5, characterized in that: A heat-conducting partition is provided between the water cavity (33) and the heating cavity (32).

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