A ball mill system capable of realizing automatic material moving bin and applying the bin

Abstract

The application discloses a ball mill system capable of realizing automatic material moving bin and applying the bin and belongs to the technical field of ball mills. The ball mill system comprises a bin body with a material moving chamber. A feeding channel and a discharging channel are arranged on the cavity wall of the material moving chamber. The axis of the feeding channel and the axis of the discharging channel are parallel to the rotating axis of the bin body. The feeding port of the discharging channel is close to the side cavity wall of the material moving chamber. The discharging port of the feeding channel is located between the middle part of the material moving chamber and the opposite cavity wall of the material moving chamber. The feeding channel is arranged close to the middle part of the material moving chamber, and the discharging channel is arranged on the cavity wall of the material moving chamber. When the material moving chamber rotates, the material is gathered at the discharging channel under the action of gravity. At this time, the material can be eaten into the discharging channel by the "one circle and one bite" of the discharging channel due to the gathering of the material and the spiral feeding structure arranged in the discharging channel. A plurality of ball mills establish a continuous feeding conveying channel in series, so that superfine powder ball milling work is realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of ball mills, in particular to a ball mill system capable of automatically moving a material bin and applying the material bin. BACKGROUND

[0002] According to different grinding media and grinding materials, the mill can be divided into a ball mill, a rod mill, a tube mill, a self-mill and a rotary mortar roller mill, etc. The intermittent ball mill is generally used in the ceramic industry, and the wet production method is adopted. The grinding action can be divided into two parts: one is the grinding action between the grinding bodies and the grinding bodies and the simple body, and the other is the impact action when the grinding body falls. In order to improve the grinding efficiency, the two aspects should be considered. The "more crushing and less grinding" technology and process of metal mines have been a topic for many years. Reducing the grinding size of the ball mill and adding a pre-grinding or superfine crushing process before the ball mill are important technical innovations for energy saving and consumption reduction of mining enterprises. The research on the crushing and grinding process of the mill is one of the focuses in the field of mineral processing engineering technology. The crushing and grinding process is to use energy to crush, impact and grind the ore through the mill, so that the useful mineral monomer in the ore is cleaved, which is beneficial to the selection process in the next stage.

[0003] However, the existing mill has the problem of internal material crushing smoothness. In order to make the mill work better, the user often needs a longer grinding cylinder length to meet the demand, which occupies a large area and increases power consumption and working cost, which needs to be solved.

[0004] For example, the patent with application number 201810504982.6 discloses a new three-circular integrated ball mill. The ball mill comprises a support and a left end bin mounted on the support, and the other side of the support is provided with a right end bin. The left end bin and the right end bin are both rotationally connected to the support through bearing sleeves, and the side of the left end bin away from the right end bin is provided with a feeding box. The bottom of the feeding box is welded with a feeding base plate corresponding to the support, and a supporting rod is welded between the feeding base plate and the feeding box. The left end bin and the right end bin are provided with a high-fine grinding bin, a medium-fine grinding bin and a crushing grinding bin through bolts, and the side of the right end bin away from the left end bin is provided with a discharging bin. The ball mill adopts the principle of three-circular integrated concentric circles, which ingeniously divides the grinding process into crushing, medium-fine grinding and high-fine grinding, and has better crushing effect. The operation principle of concentric circles saves labor, energy and running cost in the grinding process, shortens the overall length, occupies a smaller area, and is convenient to place and use.

[0005] Based on the above prior art, although the prior art claims to solve the technical problem of shortening the overall length, the principle of automatic material back and forth is not fully disclosed. Therefore, the applicant has developed a material bin capable of automatically moving materials. SUMMARY

[0006] The application aims at the problems in the prior art, and provides a ball mill system capable of realizing automatic material moving and a material moving bin applied to the ball mill system.

[0007] To achieve the above object, the application provides the following technical scheme: the application provides a material moving bin capable of realizing automatic material moving, which comprises a material moving bin body capable of rotating along an external axis, the material moving bin body has a material moving chamber, an inlet channel for inward material feeding and an outlet channel for outward material discharging are arranged on a cavity wall of the material moving chamber, the axes of the inlet channel and the outlet channel are parallel to the rotating axis of the material moving bin body, a spiral material feeding structure and a spiral material discharging structure are arranged in the inlet channel and the outlet channel respectively; the inlet of the outlet channel is close to one side cavity wall of the material moving chamber, the outlet of the inlet channel is located between the middle part of the material moving chamber and the opposite side cavity wall of the material moving chamber, and the outlet of the inlet channel is away from the opposite side cavity wall of the material moving chamber.

[0008] Preferably, the inlet of the outlet channel is tangent to the cavity wall of the material moving chamber.

[0009] Preferably, the material moving chamber has a cylindrical structure.

[0010] Preferably, the spiral material feeding structure and the spiral material discharging structure are both auger structures; auxiliary material feeding helical tooth grooves and auxiliary material discharging helical tooth grooves are arranged on the inner walls of the inlet channel and the outlet channel respectively.

[0011] Preferably, a material blocking plate for preventing material from separating from the inlet of the outlet channel is arranged beside the inlet of the outlet channel; one end of the material blocking plate is connected to one side cavity wall of the material moving chamber, and the other end of the material blocking plate extends towards the middle part of the material moving chamber.

[0012] Preferably, the other end of the material blocking plate does not overlap with the material falling area between the outlet of the inlet channel and the inlet of the outlet channel.

[0013] Preferably, the material blocking plate has an arc structure, and the concave side of the arc structure faces the inlet of the outlet channel.

[0014] Preferably, the inlet channel and the outlet channel are arranged on the same side cavity wall of the material moving chamber.

[0015] The application further provides a ball mill system, which comprises at least three ball mill units and the above-mentioned material moving bin capable of realizing automatic material moving, the center lines of the ball mill units are arranged in a polygonal structure around the same rotating axis; the outlet of any ball mill unit is connected to the inlet channel of the material moving chamber, and the inlets of adjacent ball mill units are connected to the outlet channel of the same material moving chamber.

[0016] Preferably, the automatic material moving bins are stacked at the same end of the polygonal structure.

[0017] The present application has the following beneficial effects over the prior art:

[0018] By arranging the feeding channel near the middle of the material moving chamber and the discharging channel at the inscribed surface of the material moving chamber, the material flowing in from the feeding channel is gathered at the discharging channel under the action of gravity when the material moving chamber rotates. At this time, due to the gathering of the material and the spiral feeding structure arranged in the discharging channel, the material can be "eaten" by the discharging channel. This has the following advantages: a continuous feeding channel can be established for a plurality of ball mills in series, thereby realizing the ball milling work of superfine powder. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Fig. 1 Structure diagram of the automatic material moving bin of the present application (one);

[0021] Fig. 2 Structure diagram of the automatic material moving bin of the present application (two);

[0022] Fig. 3 Structure diagram of the automatic material moving bin of the present application (three);

[0023] Fig. 4 Structure diagram of the automatic material moving bin of the present application (four);

[0024] Among them, the bin body 1, the material moving chamber 2, the feeding channel 3, the discharging channel 4, the material blocking plate 5, and the ball milling unit 6. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0027] As shown in Figs. 1-4 The present application provides an automatic material moving bin, which includes a bin body 1 that can rotate around its own axis or an external axis. The technical solution to be protected by the present application is to rotate around the external axis. The bin body 1 has a hollow material moving chamber 2, which can have various structures as long as it can store materials, such as a rectangular or cylindrical structure. However, it should be noted that the stored materials need to be connected to the inward feeding channel 3 and the outward discharging channel 4 that are provided on the cavity wall. More importantly, the axes of the feeding channel 3 and the discharging channel 4 are parallel to the rotation axis of the bin body 1, and the feeding channel 3 and the discharging channel 4 are arranged on the same side of the material moving chamber 2, which can realize the reciprocating material moving function. In order to ensure smooth feeding and discharging, the feeding channel 3 and the discharging channel 4 are respectively provided with a spiral feeding structure and a spiral discharging structure. It should be noted that the spiral feeding structure and the spiral discharging structure can be the feeding and discharging structures of a ball mill, or they can be separately arranged feeding and discharging mechanisms. The feeding and discharging structures can be auger structures or other structures that can achieve similar functions. Furthermore, in order to improve the feeding and discharging effect, auxiliary feeding spiral teeth grooves and auxiliary discharging spiral teeth grooves can be arranged on the inner walls of the feeding channel 3 and the discharging channel 4 to assist in completing the feeding and discharging functions. The feeding port of the discharging channel 4 is close to the side wall of the material moving chamber 2. As a preferred option, the feeding port of the discharging channel 4 is tangent to the cavity wall of the material moving chamber 2, which fully ensures that the material can cover the feeding port of the discharging channel 4, avoiding the problem of material not moving smoothly due to the gap between the material and the cavity wall. The discharging port of the feeding channel 3 is located between the middle of the material moving chamber 2 and the opposite side wall of the material moving chamber 2, and the discharging port of the feeding channel 3 is away from the opposite side wall of the material moving chamber 2. On the one hand, it avoids the phenomenon of material accumulation at the discharging port of the feeding channel 3 (falling material left and right) during rotation, which causes blockage, i.e., ensures smooth material feeding. On the other hand, it avoids the phenomenon of material accumulation between the feeding channel 3 and the discharging channel 4, which causes blockage, i.e., ensures smooth material feeding.

[0028] In order to prolong the gathering time of the material at the inlet of the discharge channel 4, a material blocking plate 5 is arranged beside the inlet of the discharge channel 4 to prevent the material from leaving the inlet; one end of the material blocking plate 5 is connected with the side cavity wall of the material moving chamber 2, and the other end of the material blocking plate 5 extends towards the middle part of the material moving chamber 2; so that the material blocking plate 5 can prevent the material from leaving the inlet during the rotation; as a preferred scheme, the one end of the material blocking plate 5 is tangent to the inlet of the discharge channel 4 to ensure the smooth entry of the material; of course, there can be a small gap between the one end of the material blocking plate 5 and the inlet of the discharge channel 4 to ensure that more material can be stored; in order to ensure the material falling effect, the other end of the material blocking plate 5 does not overlap with the material falling area between the outlet of the feeding channel 3 and the inlet of the discharge channel 4; in order to increase the material storage capacity, the material blocking plate 5 is designed as an arc-shaped structure, and the concave side of the arc-shaped structure faces the inlet of the discharge channel 4.

[0029] Based on the above material moving device, the application also provides a ball milling system, which comprises at least three ball milling units 6 and uses the above automatic material moving bin, wherein the ball milling units 6 are preferably odd in number, the center lines of the ball milling units 6 are arranged in a polygonal structure around the same rotation axis, and the rotation movement drives all the ball milling units 6 to rotate around the same rotation axis; the outlet of any ball milling unit 6 is connected with the feeding channel 3 of the material moving chamber 2, and the inlet of the adjacent ball milling unit 6 is connected with the discharge channel 4 of the same material moving chamber 2; of course, when some of the material moving chambers 2 only cover the feeding side of one ball milling unit 6, the feeding channel 3 of the material moving chamber 2 cannot be on the same side cavity wall as the discharge channel 4, but needs to be on the opposite side cavity wall, and the feeding channel 3 needs to be connected with the material source outside to ensure the smooth flow of the material; of course, when some of the material moving chambers 2 only cover the discharge side of one ball milling unit 6, the material moving chamber 2 does not have a discharge channel 4 parallel to the feeding channel 3, but a material falling and discharging outlet can be arranged on the side wall of the material moving chamber 2 to make the powder flow out of the ball milling system.

[0030] In order to ensure the consistency of the material moving chamber 2, the automatic material moving bins at the same end of the polygonal structure are stacked to ensure that the material moving chambers 2 are the same size and shape, and also avoid the problem of uneven material flow caused by the special-shaped structure.

[0031] The application of specific examples in the application illustrates the principles and implementation modes of the application; the above examples are only used to help understand the application and its core idea; meanwhile, for those skilled in the art, the specific implementation modes and application ranges can be changed according to the idea of the application. In conclusion, the content of the specification should not be understood as a limitation of the application.

Claims

1. An automatic transferable hopper, characterized by, The automatic material moving bin comprises a bin body rotatable around an external axis, the bin body having a material moving chamber, the material moving chamber having an inward feeding inlet channel and an outward discharging outlet channel formed on the chamber wall of the material moving chamber, the axes of the inlet channel and the outlet channel being parallel to the rotation axis of the bin body, and the inlet channel and the outlet channel being respectively provided with a spiral feeding structure and a spiral discharging structure; the feeding inlet of the outlet channel is close to one side wall of the material moving chamber, the discharging outlet of the inlet channel is located between the middle part of the material moving chamber and the opposite side wall of the material moving chamber, and the discharging outlet of the inlet channel is away from the opposite side wall of the material moving chamber. The feeding inlet of the outlet channel is tangent to the chamber wall of the material moving chamber. A material blocking plate is arranged beside the feeding inlet of the outlet channel to prevent material from separating from the feeding inlet; one end of the material blocking plate is connected to one side wall of the material moving chamber, and the other end of the material blocking plate extends towards the middle part of the material moving chamber. The other end of the material blocking plate does not overlap with the material falling area between the discharging outlet of the inlet channel and the feeding inlet of the outlet channel. The material blocking plate has an arc-shaped structure, and the concave side of the arc-shaped structure faces the feeding inlet of the outlet channel.

2. The automatically movable magazine according to claim 1, characterized in that The material moving chamber has a cylindrical structure.

3. The automatically movable magazine according to claim 2, characterized in that The spiral feeding structure and the spiral discharging structure are both auger structures; the inner walls of the inlet channel and the outlet channel are respectively provided with auxiliary feeding spiral tooth grooves and auxiliary discharging spiral tooth grooves.

4. The automatically movable magazine according to any of claims 1 to 3, characterized in that The inlet channel and the outlet channel are arranged on the same side wall of the material moving chamber.

5. A ball milling system characterized in that, The automatic material moving bin comprises at least three ball mill units and the automatic material moving bin of claim 4, the center lines of the ball mill units being arranged in a polygonal structure around the same rotation axis; the discharging outlet of any ball mill unit is connected to the inlet channel of the material moving chamber, and the feeding inlet of the adjacent ball mill unit is connected to the outlet channel of the same material moving chamber.

6. The ball mill system of claim 5, wherein, The automatic material moving bins located at the same end of the polygonal structure are stacked.

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