Ball mixing and adding mechanism of ball mill

Abstract

The utility model relates to the technical field of ball mills, in particular to a ball mixing and adding mechanism of a ball mill, which comprises a fixed seat, an electric cabinet is arranged on one side of the upper end of the fixed seat, a ball bin is arranged at one end of the top of the fixed seat, and three groups of ball storage chambers are arranged in the ball bin. A ball outlet is formed in the lower end of each ball storage chamber, a ball grabbing roller is arranged at an outlet of each ball outlet, a bevel gear is coaxially arranged at one end of each ball grabbing roller, a ball guide sliding groove is formed in one side of each ball grabbing roller, a ball inlet groove is formed in the middle of each ball grabbing roller, and a ball outlet is formed in the other side of each ball grabbing roller. A driving unit is arranged in the middle of the fixed seat; according to the utility model, the quantity of steel balls with different specifications and diameters can be monitored, the steel balls with different diameters can be added according to the optimal proportion, the space utilization rate in the milling cylinder of the ball mill is effectively improved, the filling rate of the ball mill is ensured, and the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ball mill, in particular to a kind of mixed loading ball mechanism of ball mill. BACKGROUND

[0002] In ore grinding operation, it is often necessary to add steel balls and other media to the ball mill regularly to coarsely grind and finely grind the ore, and reasonable steel ball filling rate is the prerequisite for ensuring the efficient operation of the ball mill. At present, the ore grinding medium of the ore dressing plant is basically supplemented by manual labor, which has high labor intensity, inaccurate ball adding amount, and difficult to achieve the required medium filling rate, thereby reducing the ore grinding efficiency. At present, the ore dressing market has simple ball adding equipment such as drum type, rotary disc type, suction cup type and U type, but the actual effect is not ideal, and the automation and intelligence degree is not high. Moreover, it is difficult to realize the mixed addition and accurate counting of steel balls of different specifications according to the best proportion, so as to ensure that the space in the ball mill is fully utilized, and the filling rate of the ball mill is difficult to maintain in the most reasonable range. Therefore, a mixed loading ball mechanism of ball mill is provided. SUMMARY

[0003] The utility model discloses a kind of mixed loading ball mechanism of ball mill, realize the mixed loading of the steel ball of multiple specifications ball diameter of ball mill, to reach the best ball adding proportion, and laser sensor is provided in the input end of ball guide chute, the number of steel ball can be recorded, accurate counting, improve the space utilization of the interior of ball mill mill barrel, improve material filling rate and ball adding operation efficiency.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] The utility model discloses a kind of mixed loading ball mechanism of ball mill, including fixed seat, the side of fixed seat upper end is provided with electric control box, the top of fixed seat is provided with ball bin, the middle of ball bin is separated by two baffle plates and forms three groups of ball storage room, three different specifications ball diameter steel ball can be stored separately. The lower end of each group ball storage room is provided with ball outlet, the outlet of each group ball outlet is provided with ball grabbing roller, the one end of each group ball grabbing roller is coaxially provided with a bevel gear, and the side of each group ball grabbing roller is provided with a ball guide chute, the middle of each group ball grabbing roller is provided with ball inlet slot, the setting of ball inlet slot can make steel ball be grabbed in turn, in turn roll into ball guide chute, avoid jam, the ball inlet slot of different ball grabbing roller is set differently, and one steel ball can be grabbed each time for different specifications steel ball.

[0006] The middle part of the fixed seat is provided with a driving unit, the driving unit comprises a driving motor, a transmission shaft, a transmission belt, three groups of driving gears and three groups of hydraulic propellers, the driving motor is arranged in the fixed seat, the transmission shaft is arranged on the middle part of the upper end of the fixed seat through a bearing seat, the transmission belt is sleeved on the output end of the driving motor and the transmission shaft, the driving gears are axially slid and are key-connected on the transmission shaft, the hydraulic propellers are fixedly connected on the transmission shaft, and the output ends of the hydraulic propellers are connected on the driving gears one by one.

[0007] As a preferred technical scheme of the utility model, the sizes of the steel balls in the three ball storage chambers decrease from left to right, the middle part of each group of ball grabbing roller cylinders is symmetrically provided with two ball feeding grooves, the sizes of the ball feeding grooves are matched with the sizes of the steel balls in the corresponding ball storage chambers, and the sizes (depth and width) of the ball feeding grooves on each group of ball grabbing roller cylinders decrease from left to right.

[0008] As a preferred technical scheme of the utility model, each group of ball grabbing roller cylinders is rotationally connected to the fixed seat.

[0009] As a preferred technical scheme of the utility model, the hydraulic propeller is a hydraulic oil cylinder, the cylinder body of the hydraulic oil cylinder is connected to the transmission shaft, the output end of the hydraulic oil cylinder is connected to the driving gear, the driving gear can realize axial movement on the transmission shaft under the action of the hydraulic propeller, and can be engaged with the corresponding bevel gears, so that the start-stop control of the rotation of the ball grabbing roller cylinder is realized.

[0010] As a preferred technical scheme of the utility model, the input ends of the three groups of ball guide sliding grooves are provided with laser sensors, the number of the steel balls passing through the ball guide sliding grooves can be recorded, the ball feeding data can be counted in real time, and the intelligent control of the ball grabbing roller cylinders can be realized by feeding back to the electric control box, when the number of the required steel balls reaches the requirement, the corresponding driving gears on the transmission shaft are moved by controlling the hydraulic propellers, the driving of the ball grabbing roller cylinder is stopped, and the steel balls are added in the proportion and according to the requirement.

[0011] As a preferred technical scheme of the utility model, the ball guide sliding groove is an open rectangular cylinder in cross section, is connected to the ball grabbing roller cylinder, the output ends of the three groups of ball guide sliding grooves are integrated to form a ball feeding channel for feeding the steel balls to the ball feeding machine.

[0012] The utility model discloses an advantageous effect is: through setting up three groups of axially slidable drive gear, and by three groups of hydraulic propeller respectively control corresponding drive gear's position, realize three groups of drive gear's independent operation, to realize the drive control of the ball grabbing roller, and according to actual demand, the different size steel ball of different specifications is grabbed, realizes the mixed loading of the multi - specification ball diameter steel ball of ball mill, to reach the best ball adding ratio, and the input end of guide ball sliding slot is provided with laser sensor, can record the number of the steel ball that passed, accurate counting, improve the space utilization of ball mill mill barrel interior, has improved material filling rate and ball adding operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model.In the drawings:

[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is the plane structure schematic view of the utility model;

[0016] Figure 3 It is the structure schematic view of the ball outlet of the utility model;

[0017] Figure 4 It is the structure schematic view of transmission shaft in the utility model.

[0018] Mark number in drawing:010, fixed seat, 020, electric control box, 030, ball bin, 040, ball storage room, 050, ball outlet, 060, ball grabbing roller, 070, conical gear, 080, guide ball sliding slot, 090, ball inlet slot, 100, drive unit, 101, drive motor, 102, transmission shaft, 103, transmission belt, 104, drive gear, 105, hydraulic propeller, 106, bearing seat, 110, laser sensor. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to explain and illustrate the utility model, and are not used to limit the utility model.

[0020] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] As Figures 1-4 The ball mill mixed ball loading mechanism shown in the figure, including fixed seat 010, the upper end of the fixed seat is provided with electric control box 020 on one side, the top of the fixed seat 010 is provided with ball bin 030 on one end, the ball bin 030 is separated by two partitions in the middle to form three groups of ball storage rooms 040, three different specifications of steel balls can be stored separately. The lower end of each group of ball storage rooms 040 is provided with a ball outlet 050, and the outlet of each group of ball outlets 050 is provided with a ball grabbing roller 060, and the ball grabbing roller 060 is rotatably connected to the fixed seat 010, one end of each group of ball grabbing rollers 060 is coaxially provided with a bevel gear 070, and one side of each group of ball grabbing rollers 060 is provided with a ball guide chute 080, and the middle part of each group of ball grabbing rollers 060 is provided with a ball inlet groove 090. The setting of the ball inlet groove 090 can make the steel balls be grabbed in turn and rolled into the ball guide chute 080, avoiding blockage, the specifications of the ball inlet grooves 090 provided on different ball grabbing rollers 060 are different, and one steel ball can be grabbed at a time for different specifications of steel balls.

[0022] The middle part of the fixed seat 010 is provided with a driving unit 100, which comprises a driving motor 101, a transmission shaft 102, a transmission belt 103, three sets of driving gears 104 and three sets of hydraulic thrusters 105. The driving motor 101 is arranged inside the fixed seat 010. The transmission shaft 102 is arranged at the middle part of the upper end of the fixed seat 010 through a bearing seat 106. The transmission belt 103 is sleeved on the output end of the driving motor 101 and the belt pulley at one end of the transmission shaft 102. The driving gears 104 are axially sliding and key-connected to the transmission shaft 102. The hydraulic thrusters 105 are fixedly connected to the transmission shaft 102, and the output ends of the hydraulic thrusters 105 are one-to-one connected to the driving gears 104. In actual application, the hydraulic thrusters 105 are selected as hydraulic cylinders. The cylinder body of the hydraulic cylinder is connected to the transmission shaft 102, and the output end of the hydraulic cylinder is connected to the driving gear 104. The driving gear 104 can realize axial movement on the transmission shaft 102 under the action of the hydraulic cylinder, and can be engaged and separated with the corresponding bevel gears 070 respectively, so as to realize start-stop control of the rotation of the ball grabbing roller 060.

[0023] The sizes of the steel balls in the three ball storage chambers 040 decrease from left to right. The middle part of each set of ball grabbing rollers 060 is symmetrically provided with two ball feeding grooves 090. The sizes of the ball feeding grooves 090 are matched with the sizes of the steel balls in the corresponding ball storage chambers 040, and the sizes (depth and width) of the ball feeding grooves 090 on each set of ball grabbing rollers 060 decrease from left to right.

[0024] The input ends of the three sets of ball guide slides 080 are provided with laser sensors 110, so as to record the number of steel balls of different specifications, real-time count the ball feeding data, and feed back to the electric control box 020, so as to realize intelligent control of the ball grabbing rollers 060. When the required number of steel balls of the specification reaches the requirement, the corresponding driving gear 104 on the transmission shaft 102 is moved through the control of the hydraulic thruster 105, the driving of the ball grabbing roller 060 is stopped, and the steel balls are added in proportion and according to the demand.

[0025] As shown in Figure 1 and Figure 2 The ball guide slides 080 are open rectangular cylindrical bodies in cross section, and are respectively connected to the ball grabbing rollers 060. The output ends of the three sets of ball guide slides 080 are integrated to form a ball feeding channel for feeding steel balls to the ball feeding machine.

[0026] As shown in Figures 1-4As shown, specifically, in use, by driving the motor 101 to drive the transmission shaft 102 to rotate, the hydraulic propeller 105 on the transmission shaft 102 will push the corresponding drive gear 104 to the position of mutual engagement with the bevel gear 070, thereby driving the ball grabbing roller 060 to rotate, when the ball inlet groove 090 corresponds to the ball outlet 050 at the lower side of the ball storage chamber 040, the steel balls flow into the ball inlet groove 090, and as the ball grabbing roller 060 rotates to the ball guide chute 080, the steel balls flow into the ball guide chute 080, at this time the laser sensor 110 detects the information of the passing steel balls, counts and transmits the data to the electric control box 020, when a certain specification of steel balls is added to the appropriate number, the electric control box 020 intelligently controls the corresponding hydraulic propeller 105 to change the position of the drive gear 104 connected thereto, cancel the engagement of the drive gear 104 with the bevel gear 070, stop driving the ball grabbing roller 060 corresponding thereto, and stop adding the steel balls of this specification. Until the next time the steel balls of this specification are needed, the hydraulic propeller 105 will move the position of the drive gear 104 to engage with the bevel gear 070 again, thereby driving the ball grabbing roller 060 to rotate, so that the ball mill feeding is orderly, and the real-time proportional addition of multiple specifications of ball diameters is realized, the filling rate of the ball mill is ensured, and the work efficiency is improved.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A ball-filling and mixing mechanism for a ball mill, comprising a fixed base, an electrical control box disposed on one side of the upper end of the fixed base, and a ball chamber disposed at one end of the top of the fixed base, characterized in that: The ball chamber is divided into three sets of ball storage chambers. Each set of ball storage chambers has a ball outlet at its lower end. Each set of ball outlets has a ball grabbing roller at its outlet. Each set of ball grabbing rollers has a bevel gear coaxially mounted at one end. Each set of ball grabbing rollers has a ball guide groove on one side and a ball inlet groove in the middle. A drive unit is provided in the middle of the fixed base. The drive unit includes a drive motor, a transmission shaft, a transmission belt, three sets of drive gears, and three sets of hydraulic thrusters. The drive motor is located inside the fixed base. The transmission shaft is located in the middle of the upper end of the fixed base through a bearing seat. The transmission belt is sleeved on the output end of the drive motor and the transmission shaft. The drive gears slide axially and are keyed to the transmission shaft. The hydraulic thrusters are fixedly connected to the transmission shaft, and the output ends of the hydraulic thrusters are connected to the drive gears one by one.

2. The ball mill mixing and ball-adding mechanism according to claim 1, characterized in that, The ball chamber is separated by two partitions in the middle, forming three ball storage chambers, and the size of the steel balls in the three ball storage chambers decreases from left to right.

3. The ball mill mixing and ball-adding mechanism according to claim 2, characterized in that, Two ball-collecting grooves are symmetrically arranged in the middle of each group of ball-collecting rollers. The size of the ball-collecting grooves is adapted to the size of the steel balls in the corresponding ball storage chambers, and the size of the ball-collecting grooves on each group of ball-collecting rollers decreases from left to right.

4. The ball mill mixing and ball-adding mechanism according to claim 1, characterized in that, Each set of ball-grabbing rollers is rotatably connected to the fixed base.

5. The ball mill mixing and ball-adding mechanism according to claim 1, characterized in that, The hydraulic thruster is a hydraulic cylinder, the cylinder body of which is connected to the drive shaft, and the output end of which is connected to the drive gear.

6. The ball mill mixing and ball-adding mechanism according to claim 1, characterized in that, The input ends of the three sets of ball guide grooves are all equipped with laser sensors, and the output ends of the three sets of ball guide grooves are combined into one to form a ball feeding channel.

7. The ball mill mixing and ball-adding mechanism according to claim 6, characterized in that, The ball guide groove is a rectangular cylinder with an open cross-section, which is connected to the ball grabbing roller.

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