CN211099358U

CN211099358U - Ball mill suitable for use in preparation of amino molding plastic granules

Info

Publication number: CN211099358U
Application number: CN201921470339.2U
Authority: CN
Inventors: 陈隆洋
Original assignee: Guizhou Jindingsheng Precision Casting Materials Co ltd
Current assignee: Guizhou Jindingsheng Precision Casting Materials Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-07-28
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a ball mill suitable for use in preparation amino molding plastic aggregate, ball mill section of thick bamboo including vertical setting, the powder screening section of thick bamboo of coaxial setting has been cup jointed to ball mill section of thick bamboo external fixation, ball mill section of thick bamboo upper end fixedly connected with motor, the lower extreme fixedly connected with air-blower of ball mill section of thick bamboo, ball mill section of thick bamboo internal rotation is connected with the rotary drum of vertical setting, the upper end of rotary drum and the output fixed connection of motor, there are a plurality of puddlers through a plurality of telescopic machanism swing joint on the lateral wall of rotary drum, a plurality of mouths of blowing have evenly been arranged on the lateral wall of rotary drum, the lower extreme of rotary drum is. The utility model discloses be provided with rotary drum and puddler, the motor leads to there is frequency conversion electric current, and the motor can drive the rotary drum and rotate, stirs steel ball and granule material, and the puddler on the rotary drum can be periodic stretches out and retracts in the fixed section of thick bamboo of follow, can stir steel ball and granule material in the radial ball mill section of thick bamboo, increases friction and contact frequency between steel ball and the granule material, can improve crushing effect greatly.

Description

Ball mill suitable for use in preparation of amino molding plastic granules

Technical Field

The utility model relates to a molding compound production and processing field especially relates to a ball mill suitable for use in preparation amino molding compound aggregate.

Background

The molding compound is a type of plastic, and compared with common thermoplastic plastics, the molding compound has the characteristics of higher geometric particle size stability, higher extreme high-temperature high-humidity complex environment resistance, chemical corrosion resistance, high mechanical strength and the like, and is applied to the industries of aerospace, naval vessels, civil ships, firearms, electronic and electrical appliance parts, power equipment parts and the like.

In the traditional preparation process of amino molding compound, the ball mill is a device for crushing granules, then the powder is sieved, the granules of 20-100 meshes are taken as amino molding compound finished products, the granules are granulated to obtain granular finished products, the crushing and the powder sieving are carried out separately, the function is single, the operation time is longer, the production efficiency is influenced, and the crushing principle of the traditional ball mill mainly utilizes the friction of steel balls on the granules to crush the granules, so that the crushing effect is limited.

To this end, we propose a ball mill suitable for use in the preparation of amino molding compound pellets to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem of single function of the traditional ball mill in the prior art, and providing a ball mill which can sieve powder and is suitable for being used in preparing amino molding plastic granules.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ball mill suitable for preparing amino molding plastic granules comprises a ball mill cylinder which is vertically arranged, a powder sieving cylinder coaxially arranged is fixedly sleeved outside the ball milling cylinder, the upper end of the ball milling cylinder is fixedly connected with a motor, the lower end of the ball milling cylinder is fixedly connected with an air blower, a vertically arranged rotary drum is rotationally connected in the ball milling cylinder, the upper end of the rotary drum is fixedly connected with the output end of the motor, the side wall of the rotary drum is movably connected with a plurality of stirring rods through a plurality of telescopic mechanisms, a plurality of air blowing openings are uniformly distributed on the side wall of the rotary drum, the lower end of the rotary drum is communicated with the input end of the blower, the outer side wall of the ball milling barrel is connected with a plurality of first sieve plates which are vertically arranged in a sliding way through a lifting mechanism, the upper and lower both ends of first sieve all run through a sieve powder section of thick bamboo setting, be equipped with the second sieve on the corresponding lateral wall of ball mill section of thick bamboo and first sieve.

Preferably, the lower end of the powder sieving barrel is fixedly communicated with a discharge pipe, the lower side wall of the powder sieving barrel is obliquely arranged, and the discharge pipe is arranged at the lowest position of the lower side wall of the powder sieving barrel.

Preferably, the telescopic mechanism comprises a fixed cylinder fixedly connected to the side wall of the rotating cylinder, and the inner bottom surface of the fixed cylinder is fixedly connected with the stirring rod through a spring.

Preferably, elevating system includes the connecting plate of fixed connection at first sieve upper end level setting, it is provided with vertical setting lead screw to run through on the connecting plate, the lead screw passes through threaded engagement with the connecting plate and is connected, the lower extreme of lead screw rotates with the last lateral wall of a sieve powder section of thick bamboo to be connected.

Preferably, the upper end of the ball milling barrel is fixedly communicated with a feeding pipe, and the first sieve plate is arranged in an arc shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up rotary drum and puddler, the motor leads to there is frequency conversion electric current, and the motor can drive the rotary drum and rotate, stirs steel ball and granule material, improves crushing effect, and simultaneously, puddler on the rotary drum can be periodic stretches out and retracts from the solid fixed cylinder, can radially stir steel ball and granule material in the ball mill section of thick bamboo, increases friction and contact frequency between steel ball and the granule material, can further improve crushing effect.

2. Through setting up first sieve and second sieve, first sieve and second sieve are the mutual contact setting, can adjust the position of first sieve through elevating system, control the crisscross degree of sieve mesh on two sieves to can selectively sieve the moulding compound powder selective of specific particle diameter to sieve powder section of thick bamboo in, play the effect of sieve powder when kibbling, the function is various, labour saving and time saving.

Drawings

FIG. 1 is a schematic structural diagram of a ball mill suitable for use in preparing amino molding compound pellets in accordance with the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic top view of a ball mill suitable for use in preparing amino molding compound pellets according to the present invention.

In the figure: 1 ball grinding cylinder, 2 powder sieving cylinders, 3 rotating cylinders, 4 stirring rods, 5 air blowing ports, 6 first sieve plates, 7 second sieve plates, 8 discharge pipes, 9 fixed cylinders, 10 springs, 11 connecting plates, 12 lead screws and 13 feed pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a ball mill suitable for use in preparing amino molding compound granules comprises a vertically arranged ball mill barrel 1, a coaxially arranged powder sieving barrel 2 is fixedly sleeved outside the ball mill barrel 1, it is worth mentioning that the lower end of the powder sieving barrel 2 is fixedly communicated with a discharge pipe 8, the lower side wall of the powder sieving barrel 2 is obliquely arranged, the discharge pipe 8 is arranged at the lowest part of the lower side wall of the powder sieving barrel 2 and can conveniently discharge powder in the powder sieving barrel 2 completely during discharging, the upper end of the ball mill barrel 1 is fixedly connected with a motor which is electrically connected with a variable frequency power supply, the lower end of the ball mill barrel 1 is fixedly connected with an air blower, the upper side wall of the powder sieving barrel 2 is provided with a hole which is communicated with the outside and can continuously operate the air blower, a filter screen is arranged in the hole to reduce dust leakage, a vertically arranged rotary drum 3 is rotatably connected in the ball mill barrel 1, the upper end of the rotary drum 3 is, have a plurality of puddlers 4 through a plurality of telescopic machanism swing joint on the lateral wall of rotary drum 3, it is concrete, telescopic machanism includes fixed cylinder 9 of fixed connection on the 3 lateral walls of rotary drum, and

spring

10 and 4 fixed connection of puddler are passed through to the interior bottom surface of fixed cylinder 9, and puddler 4 on the rotary drum 3 can be periodic stretches out and retracts from fixed cylinder 9, can radially stir steel ball and granule material in the ball mill section of thick bamboo 1.

In the utility model, a plurality of air blowing openings 5 are evenly distributed on the side wall of a rotary drum 3, the lower end of the rotary drum 3 is communicated with the input end of an air blower, the outer side wall of a ball grinding drum 1 is connected with a plurality of vertically arranged first sieve plates 6 in a sliding way through a lifting mechanism, concretely, the lifting mechanism comprises a connecting plate 11 which is fixedly connected with the upper end of the first sieve plates 6 and is horizontally arranged, a vertically arranged lead screw 12 is arranged on the connecting plate 11 in a penetrating way, a fine thread is arranged on the lead screw 12, the lead screw lead angle is smaller than the equivalent friction angle of a screw pair and has self-locking property, the lead screw 12 is connected with the connecting plate 11 through thread meshing, the lower end of the lead screw 12 is rotationally connected with the upper side wall of the powder screening drum 2, the upper end and the lower end of the first sieve plate 6 are arranged through the powder screening drum 2, a second sieve plate 7 is arranged on the side wall of the, play the effect of sieve powder when kibbling, the function is various, labour saving and time saving, it needs to explain that, the fixed intercommunication in upper end of ball mill section of thick bamboo 1 has inlet pipe 13, and first sieve 6 is the arc setting, more laminates with second sieve 7 and gets the contact, and the sieve powder effect is better.

The utility model discloses its functional principle is explained to following mode of operation of accessible: a plurality of steel balls are arranged in the ball milling barrel 1, firstly, the screw rod 12 is rotated to adjust the position of the first sieve plate 6, the staggering degree of sieve pores on the two sieve plates is controlled, so that molding compound powder with specific particle size can be selectively screened into the sieve powder barrel 2, then, the granular materials are poured into the ball milling barrel 1 from the feeding pipe 13, then, the motor and the blower are started, the motor is electrified with variable frequency current, the motor can drive the rotary drum 3 to rotate, the steel balls and the granular materials are stirred, meanwhile, the stirring rod 4 on the rotary drum 3 can periodically extend out of and retract back from the fixed drum 9, the steel balls and the granular materials in the ball milling barrel 1 can be radially stirred, the friction and contact frequency between the steel balls and the granular materials are increased, the crushing effect is improved, the blower can blow up the material powder in the ball milling barrel 1, the material powder with particle size smaller than the specific particle size can pass through the first sieve plate 6 and the second sieve plate 7 and, the material powder in the specified particle size can be left in the ball milling barrel 1, and finally the material powder in the powder screening barrel 2 can be recovered through the discharge pipe 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ball mill applicable to preparing amino molding compound granules comprises a vertically arranged ball milling barrel (1), and is characterized in that a coaxially arranged powder sieving barrel (2) is fixedly sleeved outside the ball milling barrel (1), a motor is fixedly connected to the upper end of the ball milling barrel (1), an air blower is fixedly connected to the lower end of the ball milling barrel (1), a vertically arranged rotary drum (3) is connected to the ball milling barrel (1) in a rotating manner, the upper end of the rotary drum (3) is fixedly connected with the output end of the motor, a plurality of stirring rods (4) are movably connected to the side wall of the rotary drum (3) through a plurality of telescopic mechanisms, a plurality of air blowing ports (5) are uniformly distributed on the side wall of the rotary drum (3), the lower end of the rotary drum (3) is communicated with the input end of the air blower, a plurality of vertically arranged first sieve plates (6) are slidably connected to the outer side wall of the ball milling barrel (1) through a lifting mechanism, the upper end and the lower end of the first sieve plate (6) are arranged by penetrating through the powder sieving cylinder (2), and the side wall of the ball grinding cylinder (1) corresponding to the first sieve plate (6) is provided with a second sieve plate (7).

2. The ball mill used in the preparation of amino molding compound pellets according to claim 1, characterized in that the lower end of the sieving powder cylinder (2) is fixedly communicated with a discharging pipe (8), the lower side wall of the sieving powder cylinder (2) is obliquely arranged, and the discharging pipe (8) is arranged at the lowest position of the lower side wall of the sieving powder cylinder (2).

3. A ball mill suitable for use in the preparation of amino molding compound pellets according to claim 1, characterized in that the telescoping mechanism comprises a stationary cylinder (9) fixedly attached to the side wall of the rotating cylinder (3), the inner bottom surface of the stationary cylinder (9) being fixedly connected to the stirring rod (4) by means of a spring (10).

4. The ball mill used in the preparation of amino molding compound granules according to claim 1, characterized in that the lifting mechanism comprises a horizontally disposed connecting plate (11) fixedly connected to the upper end of the first sieve plate (6), a vertically disposed screw rod (12) is arranged on the connecting plate (11) in a penetrating manner, the screw rod (12) is connected with the connecting plate (11) through a threaded engagement, and the lower end of the screw rod (12) is rotatably connected with the upper side wall of the powder sieving cylinder (2).

5. A ball mill suitable for use in the preparation of amino molding compound pellets according to claim 1, characterized in that the upper end of the ball mill barrel (1) is fixedly connected with a feeding pipe (13), and the first sieve plate (6) is arranged in an arc shape.