CN209379107U - A high-efficiency sand mill without screen - Google Patents

Abstract

The utility model discloses a high-efficiency sand mill without a screen. The sewage outlet is arranged on the cylinder head, the cylinder head is arranged on the left end of the outer cylinder, the outer cylinder is provided with an inner cylinder, and the left end of the inner cylinder is connected with a sand filling port. The main shaft is set in the inner cylinder, the outer side of the main shaft is provided with a shaft sleeve, the shaft sleeve is fixed on the inner wall of the outer cylinder, the rotor gland is set at the right end of the main shaft, the non-contact sealing rotor is set outside the main shaft, and the non-contact sealing stator is set outside the non-contact sealing rotor The right end of the non-contact seal stator is provided with a mechanical seal, the driving motor is arranged above the outer cylinder, the right end of the main shaft is connected with a connecting shaft, the outer side of the connecting shaft is provided with a first bearing, the second bearing is arranged at the right end of the first bearing, and the discharge mechanical seal is provided At the right end of the second bearing, the frame is set under the separation system, the feet are set at the lower end of the frame, the electric contact pressure gauge is set above the outer cylinder, the feed inlet is connected with the outer cylinder through a connecting pipe, and the discharge outlet is set at Separate the outside of the system.

Description

A high-efficiency sand mill without screen

technical field

The utility model relates to the technical field of material grinding equipment, in particular to a high-efficiency sand mill without a screen.

Background technique

The sand mill is currently the grinding equipment with the widest material adaptability, the most advanced, and the highest efficiency. The grinding chamber is the narrowest, the gap between the levers is the smallest, and the grinding energy is the most intensive. With the high-performance cooling system and automatic control system, it can realize continuous processing of materials. Continuous discharge greatly improves production efficiency.

The efficiency of the existing sand mill is low, the particles with larger particle size are easy to flow out from the discharge port, and the energy utilization rate is low; the mechanical seal in the existing grinding machine is in frequent contact with the grinding medium, and the life of the mechanical seal is low. The production cost is high; the material with larger particle size can be discharged from the outlet of the existing grinding machine, and the product quality is unstable; there are many wearing parts on the existing grinding machine, and it is easy to replace parts of the equipment, and the environmental protection performance is relatively low. Low.

Utility model content

The purpose of this utility model is to provide a screenless high-efficiency sand mill to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high-efficiency sand mill without a screen, including a trolley, a sewage outlet, a cylinder head, a sand filling port, a rotor gland, an inner cylinder, a main shaft, and an outer cylinder Body, first rod pin, shaft sleeve, second rod pin, electric contact pressure gauge, feed inlet, non-contact sealed rotor, non-contact sealed stator, mechanical seal, drive motor, first bearing, second bearing, discharge Mechanical seal, discharge port, frame, feet and separation system, the trolley is set at the lower left corner of the device, the sewage outlet is set on the cylinder head, the cylinder head is set at the left end of the outer cylinder, the An inner cylinder is arranged in the outer cylinder, and the left end of the inner cylinder is connected with a sand filling port. The main shaft is arranged in the inner cylinder, and a shaft sleeve is arranged outside the main shaft, and the shaft sleeve is fixed on the inner wall of the outer cylinder. The rotor The gland is arranged on the right end of the main shaft, the first rod pin and the second rod pin are arranged outside the sleeve, the non-contact sealed rotor is arranged outside the main shaft, and the non-contact sealed stator is arranged outside the non-contact sealed rotor. The right end of the non-contact sealing stator is provided with a mechanical seal, the drive motor is arranged above the outer cylinder, the right end of the main shaft is connected to a connecting shaft, the outer side of the connecting shaft is provided with a first bearing, and the second bearing is arranged at the right end of the first bearing , the discharge mechanical seal is arranged at the right end of the second bearing, the first bearing, the second bearing and the discharge mechanical seal are arranged in the separation system, the frame is arranged under the separation system, and the feet are arranged in At the lower end of the frame, the electric contact pressure gauge is arranged above the outer cylinder, the feed inlet is connected to the outer cylinder through a connecting pipe, and the discharge outlet is arranged outside the separation system.

As a further solution of the utility model: the lower end of the trolley is provided with a pulley, and the pulley is provided with a brake. After the trolley is full, it is convenient to remove the trolley and facilitate the placement of a new trolley.

As a further solution of the utility model: control valves are provided on the sewage discharge port and the sand filling port, which is convenient for artificially controlling the flow.

As a further solution of the utility model: the second rod pin is provided with a filter device, when the material passes through the separation device, the material with a smaller particle size is easy to flow out, and the particle with a larger particle size is not easy to flow out.

As a further solution of the utility model: the main shaft and the shaft sleeve are connected in rotation, which facilitates the work of the main shaft.

Compared with the prior art, the beneficial effect of the utility model is: the efficiency is increased, because the discharge device is close to the main shaft, when the equipment is running, the particles with larger particle diameters are close to the inside of the cylinder and cannot flow out, and only when they reach a certain fineness can they be Outflow, high energy utilization rate; stable performance, because the separation device is integrated with the rod pin, there will be no clogging; the mechanical seal has a long life, and there is a non-contact seal in front of the mechanical seal, the grinding medium and the mechanical seal cannot be contacted; the product is consistent Good performance, because only materials with a certain particle size can flow out, so the product consistency is better, and the product quality is stable; because the equipment basically has no wearing parts, the equipment will basically not be disassembled, and generally no product waste water, strong environmental performance.

Description of drawings

Fig. 1 is a structural representation of a high-efficiency sand mill without screens;

Fig. 2 is a left view of a high-efficiency sand mill without screen;

Fig. 3 is a structural representation of the second bar pin in a high-efficiency sand mill without screen;

Fig. 4 is a schematic structural view of a non-contact sealed stator in a high-efficiency sand mill without screens;

Fig. 5 is a structural schematic diagram of a non-contact sealed rotor in a screenless high-efficiency sand mill.

In the figure: small trolley 1, sewage outlet 2, cylinder head 3, sand filling port 4, rotor gland 5, inner cylinder 6, main shaft 7, outer cylinder 8, first rod pin 9, shaft sleeve 10, second Two rod pins 11, electric contact pressure gauge 12, feed inlet 13, non-contact sealed rotor 14, non-contact sealed stator 15, mechanical seal 16, drive motor 17, first bearing 18, second bearing 19, discharge mechanical seal 20. Outlet 21, frame 22, feet 23, separation system 24.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 5. In the embodiment of the utility model, a high-efficiency sand mill without a screen includes a trolley 1, a sewage outlet 2, a cylinder head 3, a sand filling port 4, a rotor gland 5, and an inner cylinder Body 6, main shaft 7, outer cylinder 8, first rod pin 9, shaft sleeve 10, second rod pin 11, electric contact pressure gauge 12, feed port 13, non-contact sealed rotor 14, non-contact sealed stator 15, Mechanical seal 16, drive motor 17, first bearing 18, second bearing 19, discharge mechanical seal 20, discharge port 21, frame 22, anchor 23 and separation system 24, described trolley 1 is arranged on the device In the lower left corner of the trolley 1, a pulley is provided at the lower end of the trolley 1, and a brake is provided on the pulley. After the trolley 1 is full, it is convenient to remove the trolley 1 and facilitate the placement of a new trolley 1. The sewage discharge The port 2 is arranged on the cylinder head 3, the cylinder head 3 is arranged on the left end of the outer cylinder 8, the inner cylinder 6 is arranged inside the outer cylinder 8, and the left end of the inner cylinder 6 is connected with a sand filling port 4, and the sewage discharge There are control valves on the port 2 and the sand filling port 4, which is convenient for artificially controlling the flow rate. The main shaft 7 is arranged in the inner cylinder 6, and a shaft sleeve 10 is provided outside the main shaft 7. The main shaft 7 and the shaft sleeve 10 are connected in rotation. To facilitate the work of the main shaft 7, the shaft sleeve 10 is fixed on the inner wall of the outer cylinder 8, the rotor gland 5 is arranged at the right end of the main shaft 7, and the outer side of the shaft sleeve 10 is provided with a first pin 9 and a second pin 11, The second rod pin 11 is provided with a filtering device. When the material passes through the separation device, the material with a smaller particle size will flow out easily, and the particle with a larger particle size will not flow out easily. The second rod pin 11 is composed of several components. There is a small gap between them, which acts as a separation, can prevent the outflow of grinding media, and does not affect the normal outflow of materials. The separation gap of the second rod pin 11 is connected with the hole of the main shaft 7 in the radial direction, and there is a seal in the axial direction to prevent the material from Axial flow, the non-contact sealed rotor 14 is arranged outside the main shaft 7, the non-contact sealed stator 15 is arranged outside the non-contact sealed rotor 14, the right end of the non-contact sealed stator 15 is provided with a mechanical seal 16, the drive The motor 17 is arranged above the outer cylinder body 8, the right end of the main shaft 7 is connected with a connecting shaft, the outer side of the connecting shaft is provided with a first bearing 18, the second bearing 19 is arranged at the right end of the first bearing 18, and the discharge mechanical seal 20 Set on the right end of the second bearing 19, the first bearing 18, the second bearing 19 and the discharge mechanical seal 20 are set in the separation system 24, the frame 22 is set below the separation system 24, and the separation system 24 consists of a main shaft 7. The first bearing 18, the second bearing 19, and the mechanical seal 20 are composed of several parts. The separation system 24 and the 7 main shaft are driven by pin shafts. There is a seal between the separation system 24 and the main shaft 7 to prevent material leakage. The separation system has an adjustment device, which is used to adjust the coaxiality between the separation system 24 and the main shaft 7. The feet 23 are arranged at the lower end of the frame 22, the electric contact pressure gauge 12 is arranged above the outer cylinder 8, and the feed The port 13 is connected to the outer cylinder 8 through a connecting pipe, and the discharge port 21 is arranged outside the separation system 24 .

The working principle of the utility model is: the equipment must first start the drive motor 17, and when the drive motor 17 reaches a certain speed, the feed pump can be started, and the drive motor 17 is driven by a V-belt to drive the pin to rotate, and the pin is located in the inner cylinder 6, the material enters from the right side, and the speed of the material inside the inner cylinder 6 gradually decreases along the direction of the main shaft 7. When the material reaches the inner cylinder 6, after being dispersed by the two first pins 9, the particle size of the material from the inner cylinder The internal direction of the body 6 decreases from large to large along the direction of the main shaft 7. Since the filter device is located on the second rod pin 11, when the material passes through the separation device, the material with a smaller particle size is easy to flow out, and the particle with a large particle size is not easy to flow out. The efficiency of the utility model is increased, because the discharge device is close to the main shaft 7. When the equipment is running, the larger particles are close to the inside of the inner cylinder 6 and cannot flow out. Only when they reach a certain fineness can they flow out. The energy utilization rate is high; the performance is stable, Because the separation device is integrated with the rod pin, there will be no clogging; the mechanical seal has a long service life, and there is a non-contact seal in front of the mechanical seal, so that the grinding medium cannot be in contact with the mechanical seal; the product consistency is good, because only materials reaching a certain particle size It can only flow out, so the product consistency is better, and the product quality is stable; because the equipment basically has no wearing parts, the equipment will basically not be disassembled, and generally there will be no product waste water, and the environmental protection performance is strong.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (5)

1. a kind of no sieve high-efficiency sand grinder, including small handcart, sewage draining exit, cylinder cap, back-up sand mouth, rotor gland, inner cylinder, master It is axis, outer barrel, first leg pin, axle sleeve, the second stick pin, electro connecting pressure gauge, feed inlet, non-contact seals rotor, non-contact close It seals stator, mechanical seal, driving motor, first bearing, second bearing, discharging mechanical seal, discharge port, rack, lower margin and divides From system, which is characterized in that the lower left corner of device is arranged in the small handcart, and the sewage outfalls setting is on cylinder cap, the cylinder Lid setting is equipped with inner cylinder in outer barrel left end, the outer barrel, and the inner cylinder left end is connected with back-up sand mouth, the main shaft It is arranged in inner cylinder, axle sleeve is equipped on the outside of main shaft, the axle sleeve is fixed on outer barrel inner wall, and the rotor gland is arranged in master Axis right end, the axle sleeve outside are equipped with first leg pin and the second stick pin, and the non-contact seals rotor is arranged on the outside of main shaft, institute Non-contact seals stator to be stated to be arranged on the outside of non-contact seals rotor, the non-contact seals stator right end is equipped with mechanical seal, The driving motor is arranged above outer barrel, and the main shaft right end is connected with connecting shaft, is equipped with first bearing on the outside of connecting shaft, The second bearing is arranged in first bearing right end, and the discharging machinery is sealingly disposed in second bearing right end, the first axle Hold, second bearing and discharging machinery are sealingly disposed in separation system, the rack is arranged below separation system, the lower margin Setting is arranged above outer barrel in rack lower end, the electro connecting pressure gauge, and the feed inlet passes through connecting tube and outer barrel It is connected, the discharge port is arranged on the outside of separation system.

2. a kind of no sieve high-efficiency sand grinder according to claim 1, which is characterized in that the small handcart lower end, which is equipped with, to be slided Wheel, pulley are equipped with brake.

3. a kind of no sieve high-efficiency sand grinder according to claim 1, which is characterized in that on the sewage draining exit and back-up sand mouth Equipped with control valve.

4. a kind of no sieve high-efficiency sand grinder according to claim 1, which is characterized in that the second stick pin was equipped with Filter device.

5. a kind of no sieve high-efficiency sand grinder according to claim 1, which is characterized in that the main shaft is rotation with axle sleeve Connection.