CN203990737U - A kind of simple and easy Non-Linear Vibration pulverising mill sieve - Google Patents

Abstract

The utility model relates to a crushing and screening device for granular or massive materials, in particular to a simple nonlinear vibration crushing and grinding screen. A bracket is fixedly installed on the base of the bed, and a cam is movably installed on the bracket; the hopper connected to the cam is movably arranged on the bed base through a square guide rail; the grinding roller guide bracket in the hopper; the crushing roller is movably arranged on On the roller guide bracket; there is a vertically placed screen on the bottom of the hopper, and the first roller guide bracket and the second roller guide bracket are fixedly installed on the screen wall through the first limit block and the second limit block respectively There is a discharge port on the bottom of the hopper; holes are provided on the side walls of the hopper and the bed, and the guide rod is set in the hole, and a spring is provided on the guide rod; a scraper is installed at the bottom of the hopper, and the bottom of the scraper is connected to the bed Soft touch on the bottom of the body. The utility model has the advantages of simple structure, safety and reliability, no environmental pollution, long service life of the device structure, simplified production process, and improved crushing and screening efficiency.

Description

A Simple Nonlinear Vibrating Grinding Mill

technical field

The utility model relates to a crushing and screening equipment for granular or massive materials, in particular to a simple nonlinear vibration crushing and grinding screen.

Background technique

For the traditional grinding and screening production process, the materials are firstly crushed by a crusher or a rotary ball mill. After crushing, the materials are transported to the screening device by a belt conveyor for grading and screening, and the large particle materials are crushed and screened again. Until the material meets the production requirements. In the traditional grinding and sieving operation, the crushing and sieving operations are carried out independently, the operation process is many, and the equipment structure is complicated.

At present, in view of the defects of the traditional grinding and screening production process, the existing technology has applied a production process integrating crushing and screening to realize the integration of material crushing and screening.

In the chemical industry, Publication No. CN203316231U discloses a grinding and sieving machine with uniform and controllable output particle size for alumina crushing and screening, which includes: feed inlet, wheel belt, sealing cover, rotary crushing and grinding screen, transmission chain, reducer, hydraulic coupling, motor, lower hopper, tug wheel and base; one end of the rotary crushing screen is connected to the wheel belt and is provided with a feeding port, and the support wheel fixed on the integral base at this end; the other end of the rotary crushing and grinding screen is connected with the transmission chain, reducer, hydraulic coupling and motor, and all of the above are fixed on the integral base at this end; The lower part of the rotary crushing screen is provided with a lower hopper, and the upper part is provided with a sealing cover. This equipment provides a way to integrate the functions of autogenous mill and cylindrical sieve to improve the purity of the product, simplify the process flow of electrolyte crushing, and reduce the maintenance cost of the equipment, which is very practical.

In the powder metallurgy industry, the publication number CN2855597Y discloses a grinding and sieving machine, which consists of a grinding cylinder 1, a sieve cylinder, a casing, a feed port, a discharge port, a sealing port, a pumping/inflating port, a bracket, a transmission device and a motor. composition. There are grinding rods in the grinding cylinder, a screen is set on the sieve cylinder, and there are feeding holes and openings on the wall of the grinding cylinder. The ground material enters the interlayer between the grinding cylinder and the sieve cylinder through the discharging hole, and is screened with the rotation of the sieve cylinder. Minutes, the fine material leaks out, and the coarse material can enter the grinding cylinder through the opening to continue grinding. One end of the grinding cylinder and the sieve cylinder is connected to the central shaft, and the central shaft passes through the sealing ring on the shell and is connected to the transmission device, powered by a geared motor. The inlet and outlet of one end of the shell are connected to the argon-filled glove box, and can be fed, discharged and sealed from the glove box. The other end of the shell is detachable, so as to exit the grinding screen cylinder and replace the screen. There is a pumping/inflating port on the top of the shell. The lower part of the mill is supported by a steel frame with tracks. The structure is simple and compact, and the combination of grinding and sieving can produce lithium-silicon alloy powder products with different particle sizes.

In the food industry, starch vibrating sieve is a kind of equipment for vibrating and sieving starch. The starch vibrating sieve has a starch sieve that is stationary relative to the main sieving structure and a starch sieve that moves relative to the main sieving structure. The former mainly drives the movement of the starch sieve to sieve the starch through the vibration generated by the main body of the equipment, and the latter mainly sieves the starch. It is a kind of vibrating screening equipment that drives the starch screen to move through cams or other structures, while the whole equipment is static. For the former, the starch screen in the prior art is relatively static, and the vibrating screen and the main body of the equipment vibrate and sieve the starch together, and the screen and the main body of the equipment are integrated. Short, easily broken; For the latter, publication number CN203292074U discloses a kind of starch sieve, and this starch vibration sieve comprises sieve net rack, is provided with chute on described sieve net rack, and chute is arranged on the sieve. The guide columns at the upper and lower ends of the screen frame cooperate, the spring is provided on one side of the screen frame, and the cam is provided on the other side, and the screen is provided in the screen frame. The above overcomes the defects of the prior art, and the device has a simple structure and a long service life.

Based on the description of the defects in the above-mentioned prior art and the development of the prior art in different industries, the utility model proposes a simple non-linear vibration crushing and grinding screen, which improves the structure of the existing equipment and makes it more practical sex.

Utility model content

The technical problem to be solved by the utility model is to provide a simple nonlinear vibrating grinding mill, which overcomes the defects of the prior art and integrates the functions of self-grinding and screening into one. sieve device. Said method can simplify the production process and improve the production efficiency.

In order to solve the problems of the technologies described above, the technical solution of the utility model is achieved in that:

A simple nonlinear vibrating grinding mill screen, including a bed, a bracket, a cam, a hopper, a guide bracket for a first grinding roller, a crushing roller, a guide bracket for a second grinding roller, a screen, a spring, a guide rod, a discharge port, Scraper, first limit block, second limit block and square guide rail; a bracket is fixedly installed on the base on one side of the bed, and a cam is movably installed on the bracket; the hopper connected with the cam is movably set on the bed through the square guide rail. On the base of the machine bed; the first roller guide bracket and the second roller guide bracket parallel to the plane of the bed base are arranged in the hopper; the crushing roller is movably arranged on the first roller guide bracket and the second roller guide bracket ; The inner wall of the bottom of the hopper is fixed with a vertical screen, one end of the first roller guide bracket and the second roller guide bracket are respectively fixed on the inner wall of the hopper side, the first roller guide bracket and the second roller guide bracket The other end of the guide bracket of the second grinding roller is fixedly installed on the screen wall through the second limit block and the first limit block respectively; the bottom of the other side of the hopper is provided with a discharge port; the wall of the other side of the hopper is provided with a There is a first hole, a second hole is provided on the wall on the other side of the bed, one end of the guide rod is fixedly connected to the first hole, the other end of the guide rod is flexibly connected to the second hole, and a spring is provided on the guide rod; A scraper is installed on the outer wall of the bottom of the hopper on the side opposite to the opening of the discharge port, and the bottom of the scraper is in flexible contact with the inner wall of the bottom of the bed.

Further, the cam is connected to the motor, the motor provides power for the cam, the cam rotates with the motor, and the cam presses against the side of the hopper, and since a spring is installed on the other side of the hopper, the hopper makes a straight line along the horizontal direction on the square guide rail. reciprocating motion;

Further, the motor adopts a stepper motor or a variable frequency motor;

Further, the screen can be set as a multi-layer screen, and the discharge port should be set at the discharge position of the multi-layer screen to realize the classification and screening of materials;

Further, the hopper is provided with a feed inlet, and the materials to be crushed and screened can continuously enter the hopper to realize continuous processing of materials;

Further, the bed is provided with a sealing cover, which can effectively reduce dust and noise, and realize safe, reliable and non-environmental pollution production.

Further, the angle between the opening direction of the discharge port and the horizontal direction is an obtuse angle. When the angle is larger, the pulverized materials will be evenly dispersed and accumulated at the end of the discharge port, which is beneficial to the cleaning operation of the scraper, and vice versa.

The utility model has the beneficial effects compared with the prior art:

The utility model has a simple structure, integrates self-grinding and screening functions, is safe and reliable, has no environmental pollution, has a long service life of the device structure, simplifies the production process, and improves the crushing and screening efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a schematic diagram of the A-A section structure in FIG. 1 .

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1 and Figure 2, a simple non-linear vibrating grinding screen includes a bed 1, a bracket 2, a cam 3, a hopper 4, a first grinding roller guide bracket 5, a crushing grinding roller 6, and a second grinding roller Guide bracket 7, screen 8, spring 9, guide rod 10, discharge port 11, scraper 12, first limit block 13, second limit block 14 and square guide rail 15; on the base of the bed 1 side A bracket 2 is fixedly installed, and a cam 3 is movably installed on the bracket 2; the hopper 4 cooperating with the cam 3 is movably arranged on the base of the bed 1 through a square guide rail 15; The first roller guide bracket 5 and the second roller guide bracket 7; the crushing roller 6 is movably arranged on the first roller guide bracket 5 and the second roller guide bracket 7; The vertically placed screen cloth 8, one end of the first roller guide bracket 5 and the second roller guide bracket 7 are respectively fixed on the inner wall of the hopper 4 side, the first roller guide bracket 5 and the second roller guide bracket The other end of 7 is fixedly installed on the screen cloth 8 wall surface respectively by the second stop block 14, the first stop block 13; The bottom on the other side of the hopper 4 is provided with discharge port 11; The wall surface on the other side of the hopper 4 A first hole is provided on the top, and a second hole is provided on the wall surface on the other side of the bed 1. One end of the guide rod 10 is fixedly connected with the first hole, and the other end of the guide rod is flexibly connected with the second hole. A spring 9 is provided; a scraper 12 is installed on the outer wall of the bottom of the hopper 4 on the side opposite to the opening of the discharge port 11, and the bottom of the scraper 12 is in flexible contact with the inner wall of the bottom of the bed 1.

On the basis of the technical solution described in the above-mentioned embodiments, preferably, the cam 3 is connected to the motor, the motor provides power for the cam 3, the cam 3 rotates with the motor, and the cam 3 presses against the side of the hopper 4, because the hopper 4. A spring 9 is installed on the other side, and the hopper 4 performs linear reciprocating motion along the horizontal direction on the square guide rail 15; the motor adopts a stepping motor or a frequency conversion motor; the size of the crushing roller 6 can be adjusted according to the needs Adjustment; the screen 8 can be set as a multi-layer screen, and the discharge port 11 should be set at the discharge position of the multi-layer screen to realize the classification and screening of the material; the hopper 4 is provided with a feed The material to be crushed and screened can continuously enter the hopper to realize the continuous processing of the material; the bed 1 is provided with a sealing cover, which can effectively reduce dust and noise, and realize safe, reliable, and non-environmental pollution production; The angle between the opening direction of the discharge port 11 and the horizontal direction is an obtuse angle. When the angle is larger, the pulverized materials will be evenly dispersed and accumulated at the end of the discharge port 11, which is beneficial to the cleaning operation of the scraper 12, and vice versa. .

Now describe the working principle of the utility model in conjunction with the accompanying drawings:

When in use, the motor drives the cam 3 to rotate, the cam 3 acts on the side of the hopper 4, and a guide rod 10 with a spring 9 is installed on the other side of the hopper 4, and the hopper 4 is guided by the square guide rail 15, Can do reciprocating vibration along the horizontal direction. Since the crushing roller 6 is arranged in the hopper 4, the crushing roller 6 moves linearly to and fro in the horizontal plane along the first roller guide bracket 5 and the second roller guide bracket 7 under the action of inertia. The material is crushed by the crushing roller 6, and the force from the linear reciprocating motion in the horizontal plane separates the crushed material, thereby realizing the function of the utility model.

The main features of this utility model: the motor drives the cam 3 to push the hopper 4 to do linear reciprocating motion in the horizontal plane, and the crushing grinding roller 6 is subjected to inertial action to make a linear reciprocating motion in the hopper 4, and the materials in the hopper 4 are not only affected by the crushing grinding roller 6 The rolling action is also subjected to the screening action of the hopper 4. Since the stroke and time of the cam 3 pushing the hopper 4 are not in a linear relationship, the device is a typical non-linear vibrating crushing, grinding and sieving device, which can both grind and sieve materials.

Matters needing attention in the use of the utility model:

(1) When using the device, select the appropriate motor speed according to the needs;

(2) During the working process of the device, select the appropriate crushing speed according to the hardness and particle size of the crushed material;

(3) Wet materials cannot be crushed.

Maintenance and maintenance of the utility model:

1) Before use, the main components of the utility model should be cleaned;

2) After use, the device can idle for 2-3 minutes;

3) The utility model should avoid dust pollution.

In summary, the above are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. a simple and easy Non-Linear Vibration pulverising mill sieve, is characterized in that: comprise lathe bed (1), the side on lathe bed (1) bottom is installed with support (2), is movably installed with cam (3) on support (2); The hopper (4) being connected with cam (3) is movably arranged on lathe bed (1) bottom by square rail (15); In hopper (4), be provided with the first grinding roller guiding trestle (5) parallel with lathe bed (1) base plane and the second grinding roller guiding trestle (7); Broken grinding roller (6) is movably arranged on the first grinding roller guiding trestle (5) and the second grinding roller guiding trestle (7); On the internal face of hopper (4) bottom, be fixed with the screen cloth (8) of vertical placement, one end of the first grinding roller guiding trestle (5) and the second grinding roller guiding trestle (7) is separately fixed on the inwall of hopper (4) one sides, and the other end of the first grinding roller guiding trestle (5) and the second grinding roller guiding trestle (7) is fixedly mounted on screen cloth (8) wall by the second limited block (14), the first limited block (13) respectively; On the bottom of hopper (4) opposite side, offer discharging opening (11); On the wall of hopper (4) and lathe bed (1) opposite side, be respectively equipped with the first hole and the second hole, one end of guide rod (10) is fixedly connected with the first hole, and the other end of guide rod is flexibly connected with the second hole, and guide rod (10) is provided with spring (9); In the outside wall surface bottom the hopper (4) of discharging opening (11) opening opposite direction one side, scraper plate (12) is installed, the internal face flexible contact of scraper plate (12) bottom and lathe bed (1) bottom.

2. a kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 1, is characterized in that: described lathe bed (1) is provided with seal closure.

3. a kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 1, is characterized in that: described cam (3) is connected with motor.

4. a kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 3, is characterized in that: described motor adopts stepper motor or variable-frequency motor;

A kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 1, is characterized in that: described hopper (4) is provided with charging aperture.

5. a kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 1, is characterized in that: described screen cloth (8) can be set to multilayer screen cloth, and discharging opening (11) should be arranged on the discharging position of multilayer screen cloth.

6. a kind of simple and easy Non-Linear Vibration pulverising mill sieve according to claim 1, is characterized in that: the opening direction of described discharging opening (11) and the angle of horizontal direction are obtuse angle.