A calcium carbonate powder mixing and stirring device

Abstract

This invention provides a calcium carbonate powder mixing and stirring device, comprising: a mixing chamber and a feeding chamber, the feeding chamber being stacked on top of the mixing chamber, the top of the mixing chamber having a feed inlet communicating with the feeding chamber, and the side wall of the feeding chamber having a feeding port for feeding; a cover plate, the cover plate being rotatably connected to the mixing chamber and covering the feed inlet, during the feeding process, the cover plate flips up and adheres to a magnetic suction component provided in the feeding chamber, the flipped-up cover plate and the feeding chamber forming a feeding area, the top of the feeding chamber having an exhaust duct communicating with a negative pressure device, the dust generated in the feeding area during the feeding process leaving the feeding chamber through the exhaust duct under the negative pressure. The feeding chamber provided by this invention effectively reduces dust escape by constructing a semi-enclosed space combined with the principle of negative pressure absorption, allowing dust generated during the feeding process to leave the feeding chamber through the exhaust duct.

Description

Technical Field

[0001] This utility model belongs to the field of mixing and stirring technology, and in particular relates to a calcium carbonate powder mixing and stirring device. Background Technology

[0002] Calcium carbonate is a valuable resource with a wide range of uses. Limestone is the commercial name for a mineral raw material. Throughout human history, limestone has been widely used due to its extensive distribution in nature and ease of access. It has a long history of mining as an important building material. In modern industry, limestone is a major raw material for manufacturing cement, lime, and calcium carbide. It is an indispensable flux in the metallurgical industry. High-quality limestone, after ultrafine grinding, is widely used in the manufacture of products such as paper, rubber, paint, coatings, pharmaceuticals, cosmetics, feed, sealants, adhesives, and polishing.

[0003] In the processing of calcium carbonate powder, other component powders are added to form mixed powders with different properties. To achieve uniform mixing of the components, mixing and stirring equipment is used. Horizontal mixers are commonly used for this purpose. During processing, other component powders are added from the top of the mixing equipment. However, in existing technology, the addition process often involves directly opening the packaging bag. This can cause the powder inside the bag to become suspended and remain, impacting the workshop environment. Utility Model Content

[0004] This invention provides a calcium carbonate powder mixing and stirring device, which aims to solve the problem that the powder in the bag is easily suspended and retained during the current powder feeding process.

[0005] This utility model is implemented as follows: a calcium carbonate powder mixing and stirring device, comprising:

[0006] A mixing bin and a feeding bin, wherein the feeding bin is stacked on top of the mixing bin, the top of the mixing bin is provided with a feeding inlet communicating with the feeding bin, and the side wall of the feeding bin is provided with a feeding port for feeding.

[0007] A cover plate is rotatably connected to the mixing chamber and covers the feed inlet. During the feeding process, the cover plate flips up and is attracted to the magnetic suction component provided in the feeding chamber. After the cover plate flips up, it forms a feeding area with the feeding chamber. The top of the feeding chamber is provided with an air outlet pipe connected to a negative pressure device. Dust generated in the feeding area during the feeding process leaves the feeding chamber through the air outlet pipe under the negative pressure.

[0008] Preferably, the feed inlet is provided with a front panel, and the front panel and the cover plate form a negative pressure area at the top of the feeding hopper, and the air outlet duct is connected to the negative pressure area.

[0009] Preferably, the feed inlet is further provided with a grid, and the cover plate covers the top of the grid.

[0010] Preferably, the cover plate includes a plate body and rotating shafts disposed on both sides of the plate body, and the plate body is assembled in a bearing seat provided at the feed inlet via the rotating shafts.

[0011] Preferably, a boss is provided on the side of the feed inlet away from the feeding port, and when the plate is covered on the feed inlet, the boss abuts against the end face of the plate facing the mixing chamber.

[0012] Preferably, the grid is composed of several sets of strip-shaped connecting rods, which are parallel to each other.

[0013] Compared with the prior art, the embodiments of this application have the following main advantages:

[0014] The calcium carbonate powder mixing and stirring device provided by this utility model constructs a semi-enclosed feeding area using a feeding hopper based on existing mixing equipment. The top of the feeding hopper is equipped with an air outlet pipe connected to a negative pressure device. Here, the outer end of the air outlet pipe uses a negative pressure fan to exhaust the air inside the feeding hopper to the outside. Under the negative pressure of the dust generated in the feeding chamber during the feeding process, the dust leaves the feeding hopper through the air outlet pipe. The advantage of this is that it can alleviate the problem of dust flying when the powder is added during the feeding process, avoid polluting the workshop environment, and the construction of a semi-enclosed space combined with the principle of negative pressure absorption effectively reduces the occurrence of dust flying. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a calcium carbonate powder mixing and stirring device provided by this utility model.

[0016] Figure 2 This is a schematic diagram of the internal structure of a calcium carbonate powder mixing and stirring device provided by this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of a calcium carbonate powder mixing and stirring device after the cover plate is opened.

[0018] Figure 4 This is a schematic diagram of the feed inlet structure of a calcium carbonate powder mixing and stirring device provided by this utility model.

[0019] Figure 5 This is a schematic diagram of the cover plate structure of a calcium carbonate powder mixing and stirring device provided by this utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] 110. Mixing chamber; 120. Feeding chamber; 130. Control panel; 140. Front panel; 150. Grille; 160. Boss; 101. Feeding port; 102. Inlet; 200. Cover plate; 210. Plate; 220. Shaft; 201. Front end face; 202. Closed face; 300. Air outlet duct; 400. Magnetic suction assembly; 500. Mixing component. Detailed Implementation

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0023] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] This utility model embodiment provides a calcium carbonate powder mixing and stirring device, such as... Figure 1 As shown, the calcium carbonate powder mixing and stirring device includes:

[0025] The mixing chamber 110 and the feeding chamber 120 are stacked on top of the mixing chamber 110. The top of the mixing chamber 110 is provided with a feed inlet 102 communicating with the feeding chamber 120, and the side wall of the feeding chamber 120 is provided with a feeding port 101 for feeding. The mixing chamber 110 is provided with a stirring component 500 for mixing materials. The shaft of the stirring component 500 extends out of the mixing chamber 110 and is driven by a drive motor and frequency converter located outside the mixing chamber 110. Here, the structure of the stirring component 500 and the mixing chamber 110 adopts the existing horizontal mixing technology equipment. The mixing chamber 110 body and other corresponding supporting structures are not described in detail in this application.

[0026] The feeding hopper 120 has a hollow structure to form a feeding chamber. The feeding port 101 is located on the side wall of the feeding hopper 120 and communicates with the hollow feeding chamber inside the feeding hopper 120. At the same time, the feeding chamber is also connected to the mixing chamber 110 through the inlet 102. During the feeding process, the powder packaging is opened and put into the mixing chamber 110 through the inlet 102, and then the packaging is opened again. The inlet 102 is also equipped with a grid 150, which can help support the powder packaging placed there. A cover plate 200 is provided at the inlet 102 to seal the inlet 102 and prevent dust from escaping from the inside of the equipment during the mixing process.

[0027] In this embodiment, after the powder packaging is cut open, the material is fed and dropped, and the dust floats in the feeding chamber. This application constructs a semi-enclosed area using the feeding hopper 120 based on the existing mixing equipment. The top of the feeding hopper 120 is provided with an air outlet duct 300 connected to a negative pressure device. Here, the outer end of the air outlet duct 300 uses a negative pressure fan to exhaust the air in the feeding hopper 120 to the outside. Under the negative pressure of the dust generated in the feeding chamber during the feeding process, the dust leaves the feeding hopper 120 through the air outlet duct 300. The advantage of this is that it can reduce the pollution of the workshop environment by dust flying during the powder feeding process. By constructing a semi-enclosed space and using the principle of negative pressure absorption, the situation of dust flying is reduced.

[0028] In this embodiment, the cover plate 200 is rotatably connected to the mixing chamber 110 and covers the feed inlet 102. During the feeding process, the cover plate 200 flips up and is attracted to the magnetic suction component 400 provided in the feeding chamber 120. The magnetic suction component 400 used in the feeding chamber 120 is a strip-shaped box with an electromagnet arranged inside as a fixing structure after the cover plate 200 is flipped up. After the cover plate 200 is flipped up, it will form a feeding cavity with the feeding chamber 120. The cover plate 200 will reduce the internal space of the feeding chamber 120, thereby improving the negative pressure effect. At the same time, in order to reduce the escape, the feeding chamber 120 is also provided with a front panel 140 on the side of the feed inlet 102. The front panel 140 shields the feed inlet 102, thereby forming a semi-enclosed area. By using the front panel 140 to block the top of the feed inlet 102, the dust is not easy to escape from the feed inlet 102 under the negative pressure.

[0029] The feeding hopper 120 is also equipped with a control panel 130. The control panel 130 controls the driving device of the rotating stirring component 500 and activates the electromagnetic adsorption state of the magnetic suction component 400. When feeding, the magnetic suction component 400 generates a magnetic attraction effect to help limit and fix the cover plate 200. The negative pressure adsorption fan and other equipment connected to the air outlet duct 300 can also be integrated into the control panel 130. The control panel 130 adopts existing electronic control technology, and the specific control principle will not be described in detail. The control panel 130 mainly controls different components through buttons.

[0030] In a preferred embodiment of this invention, the cover plate 200 includes a plate body 210 and rotating shafts 220 disposed on both sides of the plate body 210. The plate body 210 is assembled in a bearing seat provided in the feed inlet 102 via the rotating shafts 220. The cover plate 200 covers the grid 150. The contact end face of the plate body 210 and the grid 150 is a closed surface 202. The closed surface 202 is supported by the grid 150. A boss 160 is provided on the side of the feed inlet 102 away from the feeding port 101. When the plate body 210 covers the feed inlet 102, the boss 160 abuts against the end face of the plate body 210 facing the mixing chamber 110.

[0031] In this embodiment, the side of the plate 210 away from the pivot is the front end 201. The front end 201 adopts a sloping design. At the same time, the feed inlet 102 and the side wall of the front end 201 adopt the same sloping design. The sloping design of the front end 201 and the side wall can help distribute the support effect and reduce the pressure on the grid 150. When the sloping design is used, the length of the top edge of the plate 210 needs to be greater than the bottom edge.

[0032] In this embodiment, the plate 210 is partially wrapped by a sealing ring, and when closed, the sealing ring fills the gap between the plate 210 and the feed port 102.

[0033] In a preferred embodiment of this invention, the grille 150 is composed of several sets of strip-shaped connecting rods, which are parallel to each other.

[0034] In this embodiment, the connecting rods are placed along the long side of the rectangular feed inlet 102, and the spacing between the connecting rods is at least 1 / 6 of the width of the short side of the feed inlet 102. The grid 150 helps to temporarily place the powder packaging bag, and then remove the packaging bag after the powder has been dispensed.

[0035] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0036] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A calcium carbonate powder mixing and stirring device, characterized by, include: A mixing chamber (110) and a feeding chamber (120) are provided. The feeding chamber (120) is stacked on top of the mixing chamber (110). The top of the mixing chamber (110) is provided with a feed inlet (102) communicating with the feeding chamber (120). The side wall of the feeding chamber (120) is provided with a feeding port (101) for feeding. A cover plate (200) is rotatably connected to the mixing chamber (110) and covers the feed inlet (102). During the feeding process, the cover plate (200) flips up and is attracted to the magnetic suction component (400) provided in the feeding chamber (120). After the cover plate (200) flips up, it forms a feeding area with the feeding chamber (120). The top of the feeding chamber (120) is provided with an air outlet pipe (300) connected to the negative pressure equipment. The dust generated in the feeding area during the feeding process leaves the feeding chamber (120) through the air outlet pipe (300) under the negative pressure.

2. The calcium carbonate powder mixing and stirring device according to claim 1, characterized in that, The feed inlet (102) is provided with a front panel (140), and the front panel (140) and the cover plate (200) form a negative pressure area at the top of the feeding bin (120), and the air outlet pipe (300) is connected to the negative pressure area.

3. The calcium carbonate powder mixing and stirring device according to claim 2, characterized in that, The feed inlet (102) is also provided with a grid (150), and the cover plate (200) covers the top of the grid (150).

4. The calcium carbonate powder mixing and stirring device according to claim 3, characterized in that, The cover plate (200) includes a plate body (210) and rotating shafts (220) on both sides of the plate body (210). The plate body (210) is assembled in the bearing seat provided in the feed inlet (102) through the rotating shafts (220).

5. The calcium carbonate powder mixing and stirring device according to claim 4, characterized in that, The feed inlet (102) has a boss (160) on the side away from the feed port (101). When the plate (210) covers the feed inlet (102), the boss (160) abuts against the end face of the plate (210) facing the mixing chamber (110).

6. A calcium carbonate powder mixing and stirring device as claimed in claim 5, characterized in that The grid (150) is composed of several sets of strip-shaped connecting rods, which are parallel to each other.

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