Powder mixing and packaging production line

Abstract

The utility model relates to a powder mixing and packaging production line, which belongs to the technical field of powder production, and comprises a plurality of weighing temporary storage bins, a vertical conical mixer, a rotary vibration sieve, a packaging scale and a bag sewing machine, and each weighing temporary storage bin is provided with a feeding pipe; the vertical conical mixer is provided with a plurality of feed ports, and each feed port of the vertical conical mixer is communicated with an outlet of the weighing temporary storage bin through a conveying pipe; the rotary vibration sieve is arranged below an outlet of the vertical conical mixer; the packing scale is arranged at an outlet of the spin vibration sieve; and the bag sewing machine is connected with the packing scale through a rolling platform. According to the powder mixing and packaging production line, bagging and packaging from the initial material to the final material are covered, only one person is needed for participation, high-automation continuous closed operation is achieved, cross contamination of the materials is avoided, the product quality is ensured, the labor intensity of workers is relieved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rare earth metal production technical field, concretely relates to a powder material mixing and packaging production line. BACKGROUND

[0002] With the acceleration of industrialization, the output of products in various industries is continuously improved, which requires efficient powder mixing and packaging system to meet the demand of large-scale production. The current manual mixing and packaging method is inefficient, labor-intensive, and difficult to ensure the stability of product quality, so the automatic and continuous powder mixing and packaging system becomes an inevitable choice for industrial production.

[0003] The powder mixing and packaging system is widely used in rare earth, food, medicine, chemical industry, building materials, agriculture and many other industries. For example, in the rare earth industry, the raw materials form powdery materials after primary processing, and if manual coordination is required between various processing processes, the raw materials are easily polluted again in the case of transporting materials, which increases the management cost and reduces the work efficiency. Therefore, an automatic and sealed mixing and packaging system is particularly important.

[0004] In summary, the current mixing machine has the problems of single function and low automation degree. CONTENT OF THE UTILITY MODEL

[0005] In view of the above problems, the utility model aims at providing a powder mixing and packaging production line to solve the problems of single function and low automation degree of the current mixing system.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Firstly, the utility model discloses a powder mixing and packaging production line, which comprises

[0008] A plurality of weighing buffer warehouses, each of which is provided with an inlet pipe;

[0009] A vertical conical mixer provided with a plurality of inlets, each inlet of the vertical conical mixer being connected with the outlet of the weighing buffer warehouse through an inlet pipe;

[0010] A rotary vibrating screen arranged below the outlet of the vertical conical mixer;

[0011] A packaging scale arranged at the outlet of the rotary vibrating screen;

[0012] A bag sealer connected with the packaging scale through a roller platform.

[0013] Further, a re-checking scale is further included, which is connected with the packing scale through a roller platform; the re-checking scale is used for re-checking the weight of the packaged material.

[0014] Further, the rotary vibration screen is provided with a waste outlet for discharging unqualified material such as foreign matter and large particle material, so as to retain clean and finely divided qualified material.

[0015] Further, a first vacuum feeding machine is arranged at the joint of the feeding pipe and the weighing buffer bin, and the first vacuum feeding machine is an integrated vacuum feeding machine.

[0016] Further, a variable frequency air lock is arranged at the outlet of the weighing buffer bin, and the outlet of the variable frequency air lock is connected with the inlet end of the feeding pipe through an adapter. The variable frequency air lock can effectively prevent the occurrence of the material blocking, and can effectively seal the weighing buffer bin for facilitating the negative pressure feeding of the weighing buffer bin.

[0017] Further, a second vacuum feeding machine is arranged at the inlet of the vertical conical mixer, the outlet of the feeding pipe is connected with the inlet of the second vacuum feeding machine, and the outlet of the second vacuum feeding machine is connected with the inlet of the vertical conical mixer.

[0018] Further, a constant frequency air lock is arranged at the joint of the outlet of the second vacuum feeding machine and the inlet of the vertical conical mixer.

[0019] Further, a variable frequency unloading device is arranged at the outlet of the vertical conical mixer, so as to effectively control the discharging amount of the material and ensure that the material entering the rotary vibration screen can be fully screened.

[0020] Further, a stirring system is arranged on the vertical conical mixer, the stirring system comprises a stirring motor, a stirring shaft and a spiral blade, a cover plate is arranged at the top end of the vertical conical mixer, and the stirring motor is fixed on the cover plate; the cover plate is detachable, so as to facilitate the later maintenance and replacement of the stirring shaft; the stirring shaft penetrates through the vertical conical mixer from top to bottom, and the top end of the stirring shaft is connected with the output shaft of the stirring motor.

[0021] The spiral blade is fixed on the stirring shaft, and the diameter of the spiral blade gradually decreases from top to bottom, the spiral is in a double spiral style, and the rotation directions of the spirals are opposite, so as to better mix the material.

[0022] Further, the spiral blade comprises a small spiral blade and a large spiral blade, the small spiral blade is fixed on the stirring shaft with the same diameter from top to bottom, the diameter of the large spiral blade gradually decreases from top to bottom, and the large spiral blade is wound on the stirring shaft; the rotation directions of the small spiral blade and the large spiral blade are opposite.

[0023] Compared with the prior art, the powder mixing and packaging production line has the advantages that:

[0024] (1) The powder mixing and packaging production line comprises a plurality of weighing and temporary storage bins, a vertical conical mixer, a rotary vibrating screen, a packaging scale, a rechecking scale and a bag sewing machine.

[0025] (2) The powder mixing and packaging production line comprises a plurality of weighing and temporary storage bins, a vertical conical mixer, a rotary vibrating screen, a packaging scale, a rechecking scale and a bag sewing machine.

[0026] In addition, the powder mixing and packaging production line has the following advantages:

[0027] 1. The equipment is arranged in a longitudinal direction, thereby greatly utilizing three-dimensional space and reducing the occupied area while meeting the production requirements.

[0028] 2. The packaging scale is a high-precision single-point weighing packaging scale produced by the company, which has a simple structure and high precision, thereby ensuring the product quality.

[0029] 3. The degree of automation is high, the sealing performance is good, and the vertical conical mixer and the weighing and temporary storage bin can be assembled according to requirements, thereby being suitable for multiple industries.

[0030] 4. The whole process is closed and dust leakage is avoided, thereby ensuring the product quality and the health of workers.

[0031] 5. The overall structure adopts a longitudinal layout, with each piece of equipment arranged compactly, making great use of space.

[0032] 6. The cone-shaped mixing equipment has high mixing efficiency, and our company's unique double helix blade structure with large and small blades ensures more thorough mixing, less material residue, higher efficiency, and lower energy consumption. Attached Figure Description

[0033] Figure 1 This is an overall vertical view of the powder mixing and packaging production line provided in Embodiment 1 of this utility model;

[0034] Figure 2 This is a top view of the powder mixing and packaging production line provided in Embodiment 1 of this utility model;

[0035] Figure 3 This is a schematic diagram of the mixing system configured on the vertical conical mixer provided in Embodiment 1 of this utility model.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1-Weighing buffer bin, 10-Feed pipe, 11-First vacuum feeder, 12-Variable frequency airlock, 13-Adapter;

[0038] 2-Vertical conical mixer; 20-Conveying pipe; 21-Second vacuum feeder; 22-Fixed frequency airlock; 23-Variable frequency unloader;

[0039] 3-Vibrating screen;

[0040] 40 - Re-inspection scale;

[0041] 41 - Packaging Scale;

[0042] 5-Roller platform;

[0043] 6-Bag sewing machine;

[0044] 7-Stirring system, 70-Stirring motor, 71-Stirring shaft, 72-Helical blade. Detailed Implementation

[0045] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0046] In order to solve the problems of single function and low automation degree of the current mixing system, combined with years of design and production experience, our team designs and arranges a set of powder mixing and packaging production line. The production line pre-stores materials through the weighing and buffering bin 1, mixes through the vertical conical mixer 2, screens through the rotary vibrating screen 3, checks the quality through the rechecking scale 40 and the packaging scale 41, and completes the bagging through the bag sealer 6. The high-automation continuous closed operation avoids the cross contamination of materials, ensures the product quality, reduces the labor intensity of workers, and improves the production efficiency.

[0047] Embodiment 1: a powder mixing and packaging production line

[0048] In the embodiment 1 of the utility model, a powder mixing and packaging production line is provided, and the structure thereof is described in detail below with reference to the drawings.

[0049] Reference Figure 1 And Figure 2 The powder mixing and packaging production line comprises a plurality of weighing and buffering bins 1, a vertical conical mixer 2, a rotary vibrating screen 3, a rechecking scale 40, a packaging scale 41, and a bag sealer 6,

[0050] Each weighing and buffering bin 1 is provided with an inlet pipe 10;

[0051] The vertical conical mixer 2 is provided with a plurality of inlet ports, and each inlet port of the vertical conical mixer 2 is connected to the outlet of the weighing and buffering bin 1 through an inlet pipe 20, so as to facilitate the mixing of multiple materials.

[0052] The rotary vibrating screen 3 is arranged below the outlet of the vertical conical mixer 2;

[0053] The packaging scale 41 is arranged at the outlet of the rotary vibrating screen 3;

[0054] The bag sealer 6 is connected to the packaging scale 41 through a roller platform 5.

[0055] The weighing and buffering bin 1 is used for weighing and temporarily storing the powder materials to be mixed;

[0056] The vertical conical mixer 2 is used for stirring and mixing multiple materials entering the vertical conical mixer 2;

[0057] The rotary vibrating screen 3 is used for screening out unqualified materials such as foreign matters and large-particle materials, and retaining clean and finely divided qualified materials;

[0058] The packaging scale 41 is used for weighing the weight of the packaged materials;

[0059] The bag sealer 6 is used for sewing and packaging the packaged materials.

[0060] In order to facilitate the re-inspection of workers, the powder mixing and packaging production line further comprises a re-inspection scale 40,

[0061] The re-inspection scale 40 is connected with the packaging scale 41 through a roller platform 5 to assist in moving materials and reduce labor intensity.

[0062] The re-inspection scale 40 is used for secondary verification of the weight of the packaged materials.

[0063] Specifically, the rotary vibration screen 3 is provided with a waste outlet for discharging unqualified materials such as foreign matter and large particle materials, thereby retaining clean and finely divided qualified materials.

[0064] Specifically, the packaging scale 41 is provided with a high-precision weighing sensor, which can weigh the weight of the packaged materials.

[0065] More specifically, the packaging scale 41 is provided with a dust collection device, which avoids dust flying during material receiving and maintains the operating environment and the health of workers; the materials collected by the dust collection device are directly fed into the vertical conical mixer 2 for secondary mixing, thereby avoiding material waste and saving costs.

[0066] In order to facilitate feeding of the weighing buffer bin 1, a first vacuum feeder 11 is arranged at the joint of the feeding pipe 10 and the weighing buffer bin 1.

[0067] Specifically, the first vacuum feeder 11 is an integrated vacuum feeder.

[0068] Preferably, the weighing buffer bin 1 and the first vacuum feeder 11 are an integral whole.

[0069] The feeding pipe 10 is connected with the first vacuum feeder 11, and various connection modes such as flanges and quick couplings are applicable at the joint.

[0070] In order to control the material discharging speed and prevent pipe blockage, a variable frequency air lock 12 is arranged at the outlet of the weighing buffer bin 1, and the outlet of the variable frequency air lock 12 is connected with the inlet end of the material conveying pipe 20 through an adapter 13.

[0071] In order to facilitate feeding of the vertical conical mixer 2, a second vacuum feeder 21 is arranged at the inlet of the vertical conical mixer 2.

[0072] Specifically, the outlet of the material conveying pipe 20 is connected with the inlet of the second vacuum feeder 21, and the outlet of the second vacuum feeder 21 is connected with the inlet of the vertical conical mixer 2.

[0073] In order to make the second vacuum feeder a closed whole, a constant frequency air lock 22 is arranged at the joint of the outlet of the second vacuum feeder 21 and the inlet of the vertical conical mixer 2.

[0074] In order to facilitate unloading and control the amount of unloading, the outlet of the vertical conical mixer 2 is provided with a variable frequency unloader 23.

[0075] In order to quickly and effectively turn over the mixed material and fully mix the various materials, the vertical conical mixer 2 is provided with a stirring system 7.

[0076] Reference Figure 3 The stirring system 7 comprises a stirring motor 70, a stirring shaft 71 and a spiral blade 72,

[0077] The top end of the vertical conical mixer 2 is provided with a cover plate, and the stirring motor 70 is fixed on the cover plate;

[0078] The stirring shaft 71 penetrates from top to bottom in the vertical conical mixer 2, and the top end of the stirring shaft 71 is connected with the output shaft of the stirring motor 70;

[0079] The spiral blade 72 is fixed on the stirring shaft 71, and the diameter of the spiral blade 72 decreases from top to bottom, and the spiral blades are double spiral blades with different sizes and opposite directions.

[0080] Further, the rechecking scale 40 and the bag sewing machine 6 are connected through the roller platform 5.

[0081] Further, the spiral blade 72 comprises a small spiral blade and a large spiral blade, the small spiral blade is fixed on the stirring shaft 71 with the same diameter from top to bottom; the diameter of the large spiral blade decreases from top to bottom, and the large spiral blade is wound on the stirring shaft 71; the rotation directions of the small spiral blade and the large spiral blade are opposite.

[0082] Embodiment 2: a working method of a powder mixing and packaging production line

[0083] The working method of the powder mixing and packaging production line provided by the embodiment 1 of the utility model, adopts the powder mixing and packaging production line of the embodiment 1, and comprises the following steps:

[0084] Step one: start the first vacuum feeder 11, the first vacuum feeder 11 provides negative pressure, and single material is sucked into the weighing buffer bin 1 until the material in the weighing buffer bin 1 reaches the set value, and then the feeding is stopped;

[0085] Step two: start the second vacuum feeder 21, the constant frequency air lock 22 and the variable frequency air lock 12, the second vacuum feeder 21 provides negative pressure, and the material in the weighing buffer bin 1 is sucked into the vertical conical mixer 2;

[0086] Step three: start the stirring motor 70 while step two is running, the stirring shaft 71 rotates, driving the spiral blade 72 to rotate, turning the multiple materials until the multiple materials are mixed evenly, and stopping stirring;

[0087] Step four: start the frequency conversion unloader 23, the frequency conversion unloader 23 discharges at a certain rate to ensure that the material is fully screened clean when passing through the rotary vibrating screen 3, avoid foreign matter entering, and improve product quality;

[0088] Step five: the material falls into the rotary vibrating screen 3 for screening, unqualified materials such as foreign matter and large particle materials are discharged through the waste port, leaving the fine divided material;

[0089] Step six: the clean and fine divided material directly enters the packaging scale 41, the packaging scale 41 automatically weighs the clean and fine divided material through the self-provided high-precision weighing sensor, and stops the rotary vibrating screen 3 when the predetermined weight is reached;

[0090] Step seven: the worker controls the material transportation of the packaging scale 41 to the rechecking scale 40 according to the need, and rechecks the material weighed by the packaging scale 41.

[0091] Step eight: the material of the packaging scale 41 is conveyed to the sewing machine 6 through the roller platform 5 and is automatically sealed and packaged.

[0092] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A powder mix packaging production line, characterized by, The powder mixing and packaging production line comprises a plurality of weighing buffer bins (1), each of which is provided with a feeding pipe (10); a vertical conical mixer (2) provided with a plurality of feeding ports, each feeding port of the vertical conical mixer (2) being connected to the outlet of the weighing buffer bin (1) through a feeding pipe (20) respectively; a rotary vibrating screen (3) arranged below the outlet of the vertical conical mixer (2); a packaging scale (41) arranged at the outlet of the rotary vibrating screen (3); a bagging machine (6) connected to the packaging scale (41) through a roller platform (5). Further comprising a re-inspection scale (40), 2. The powder mixture packaging production line according to claim 1, wherein the re-inspection scale (40) being connected to the packaging scale (41) through the roller platform (5); the re-inspection scale (40) being used for re-inspecting the weight of the packaged material.

3. The powder mixing and packaging production line according to claim 1, wherein the rotary vibrating screen (3) is provided with a waste port for discharging unqualified material such as foreign matter and large particle material, so as to retain clean and finely divided qualified material.

4. The powder mixing and packaging production line according to claim 1, wherein the feeding pipe (10) is provided with a first vacuum feeder (11) at the joint with the weighing buffer bin (1), the first vacuum feeder (11) being an integrated vacuum feeder.

5. The powder mixing and packaging production line according to claim 1, wherein the outlet of the weighing buffer bin (1) is provided with a variable frequency air lock (12), the outlet of the variable frequency air lock (12) is connected to the inlet end of the feeding pipe (20) through an adapter (13).

6. The powder mixing and packaging production line according to claim 1, wherein the inlet of the vertical conical mixer (2) is provided with a second vacuum feeder (21), the outlet of the feeding pipe (20) is connected to the inlet of the second vacuum feeder (21), and the outlet of the second vacuum feeder (21) is connected to the inlet of the vertical conical mixer (2).

7. The powder mixing and packaging production line according to claim 6, wherein the outlet of the second vacuum feeder (21) is provided with a fixed frequency air lock (22) at the joint with the inlet of the vertical conical mixer (2).

8. The powder mixing and packaging production line according to claim 1, wherein the outlet of the vertical conical mixer (2) is provided with a variable frequency unloader (23).

9. The powder mixing and packaging production line according to claim 1, wherein the vertical conical mixer (2) is provided with a stirring system (7), the stirring system (7) comprising a stirring motor (70), a stirring shaft (71) and a helical blade (72), the top end of the vertical conical mixer (2) being provided with a cover plate, and the stirring motor (70) being fixed on the cover plate; the stirring shaft (71) penetrating into the vertical conical mixer (2) from top to bottom, and the top end of the stirring shaft (71) being connected to the output shaft of the stirring motor (70). ​ The spiral blades (72) are fixed on the stirring shaft (71), and the diameters of the spiral blades (72) decrease from top to bottom.

10. The powder mixing bag packaging production line according to claim 9, characterized in that, The spiral blades (72) include small spiral blades and large spiral blades, The small spiral blades are fixed on the stirring shaft (71) with equal diameters from top to bottom; The large spiral blades have diameters decreasing from top to bottom, with the upper end being large and the lower end being small, and are wound on the stirring shaft (71); The rotation directions of the small spiral blades and the large spiral blades are opposite.

Images