CN219400380U - Filter cylinder structure and sand mill - Google Patents

Abstract

The utility model discloses a filter cartridge structure and a sand mill, wherein the filter cartridge structure comprises a filter cartridge body, wherein the filter cartridge body is used for being arranged outside a grinding cylinder of the sand mill and used for filtering ground materials; the filter cartridge body comprises a filter cartridge with a filter cavity, a screen horizontally arranged in the filter cavity, a pushing component horizontally arranged in the screen and a power source in driving connection with the pushing component, a cavity is reserved between the screen and the filter cartridge, one end of the filter cartridge is provided with a mixture inlet, the other end of the filter cartridge is provided with a first outlet, and the bottom of the filter cartridge is provided with a second outlet communicated with the cavity. The filter cylinder structure is arranged outside the sand mill, so that the sand mill is beneficial to cleaning and maintenance and improves the grinding efficiency.

Description

Filter cylinder structure and sand mill

Technical Field

The utility model relates to the field of sand mills, in particular to a filter cylinder structure and a sand mill.

Background

The sand mill is also called a ball mill, is the most advanced and most efficient grinding equipment with the most wide material adaptability, has the most narrow grinding cavity and the most intensive grinding energy, can realize continuous material processing and continuous material discharging by being matched with a high-performance cooling system and an automatic control system, and greatly improves the production efficiency. Currently, sand mills have been widely used in the industries of paints/inks/dyes/paints, resins/rubbers, nonmetallic ores, new materials, pesticides, food additives, and the like.

The existing sand mill is of a horizontal structure, the sand mill of the horizontal structure is of a cylindrical structure, slurry is fed into a grinding cavity from one end of the sand mill, and after the slurry is ground by a grinding ball, ground materials are output from the other end of the cavity. Because the material that needs to grind is the flow state, in the flow process of the business turn over sand mill of ground material, can drive the grinding ball to discharge gate direction flow, cause inside grinding ball uneven distribution, consequently can cause following problem: 1. the abrasion degree of the rotors is inconsistent, and the rotors close to the discharge port are seriously abraded. 2. Due to the lack of grinding balls at the feed inlet, the grinding efficiency is affected; 3. the screen is difficult to disassemble, assemble and clean. 4. During the filtering process of the screen, the grinding balls are positioned outside the screen, so that the screen is easy to be blocked from the outside, and the screen is required to be cleaned from the inside, so that the cleaning is inconvenient.

Disclosure of Invention

In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide a filter cartridge structure which is convenient to clean, maintain and disassemble.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the filter cylinder structure is used in a sand mill and comprises a filter cylinder body, wherein the filter cylinder body is used for being arranged outside a grinding cylinder of the sand mill and used for filtering ground materials; the filter cartridge body comprises a filter cartridge with a filter cavity, a screen horizontally arranged in the filter cavity, a pushing component horizontally arranged in the screen and a power source in driving connection with the pushing component, a cavity is reserved between the screen and the filter cartridge, one end of the filter cartridge is provided with a mixture inlet, the other end of the filter cartridge is provided with a first outlet, and the bottom of the filter cartridge is provided with a second outlet communicated with the cavity.

Further, the pushing component comprises a rotating shaft and a scraping plate, the rotating shaft horizontally penetrates through the screen, one end of the rotating shaft penetrates out of the filter cylinder and is connected with the power source, and the scraping plate is arranged on the outer surface of the rotating shaft.

Further, the scraping plates are spirally distributed around the rotating shaft.

Further, a plurality of sieve holes are uniformly distributed on the peripheral wall of the screen.

The second object of the present utility model is to provide a sand mill which improves the grinding efficiency.

The second purpose of the utility model is realized by adopting the following technical scheme:

the sand mill comprises a grinding cylinder, wherein the grinding cylinder comprises a grinding cavity, the grinding cylinder is provided with a feed inlet, a discharge outlet and a feed back opening which are communicated with the grinding cavity, a grinding ball is arranged in the grinding cavity, a grinding rotor which is arranged on a rotary main shaft and rotates along with the rotary main shaft is arranged in the grinding cavity, and one end of the rotary main shaft extends out of the grinding cylinder and is in transmission connection with a driving motor; the grinding cylinder is characterized by further comprising the filter cylinder structure, the filter cylinder structure is arranged outside the grinding cylinder, a discharge hole of the grinding cylinder is communicated with a mixture inlet of the filter cylinder structure, and a feed back hole of the grinding cylinder is communicated with a first outlet of the filter cylinder structure.

Further, two filter cartridge structures are arranged outside the grinding cylinder, and mixture inlets of the two filter cartridge structures are respectively connected with the discharge port.

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

in the utility model, the slurry to be filtered enters the filter cylinder from the mixture inlet, the slurry entering the filter cylinder passes through the screen mesh and enters the cavity between the screen mesh and the filter cylinder, and then is conveyed out of the filter cylinder through the conveying second outlet; during the filtering process, grinding balls and part of coarse materials are also arranged inside the screen, and the part of materials move towards the first outlet under the pushing of the pushing component and are discharged out of the filter cylinder through the first outlet. The filter cartridge structure is arranged outside the sand mill, so that the filter cartridge structure is convenient to maintain and disassemble, and meanwhile, the screen is not arranged in the grinding cylinder, so that the sand mill is not easy to block; in addition, the plug is positioned inside the screen mesh and is easy to clean from the outside.

In the utility model, the driving motor drives the rotary main shaft to rotate, and then drives the grinding rotor to rotate, the grinding ball is positioned in the grinding cavity, and the grinding rotor drives the grinding ball to rotate and rub in the rotating process of the grinding rotor. The grinding material to be ground enters the grinding cavity through the feeding port and is rubbed and ground by the grinding ball in the grinding cavity. The material grinds the back and gets into and strain the cylinder structure through the discharge gate after, and the thick liquids after straining pass through the second export and carry out of equipment, and inside grinding ball of screen cloth and coarse fodder flow back into the grinding cavity through the feed back mouth, through above filtration, backward flow process, when realizing filtering, realized the grinding ball and from the delivery of the discharge end to the feed end of grinding the cavity to balanced the grinding ball distribution of feed and discharge gate region, make wearing and tearing even, grinding efficiency is high.

Drawings

FIG. 1 is a schematic illustration of a filter cartridge structure according to the present utility model;

FIG. 2 is a schematic view of a sand mill according to the present utility model;

in the figure: 10. a filter cartridge body; 101. a filter cartridge; 102. a screen; 103. a cavity; 104. a mixture inlet; 105. a first outlet; 106. a second outlet; 107. a rotating shaft; 108. a scraping plate; 20. a grinding cylinder; 201. a grinding cavity; 202. a feed inlet; 203. a discharge port; 204. a feed back port; 30. a grinding ball; 40. rotating the main shaft; 50. grinding the rotor; 60. and driving the motor.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limitations of the present utility model. Furthermore, the terms "first," "second," "one," "another," and the like, are used for distinguishing between similar elements and not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Corresponding reference characters indicate corresponding parts throughout the several views (e.g., identical structure, functionally similar elements identified by "1XX" and "2 XX").

As shown in fig. 1, the filter cartridge structure provided by the utility model is used in a sand mill and comprises a filter cartridge body 10, wherein the filter cartridge body 10 is used for being arranged outside a grinding cylinder 20 of the sand mill and used for filtering ground materials; the filter cartridge body 10 comprises a filter cartridge 101 with a filter cavity, a screen 102 horizontally arranged in the filter cavity, a pushing component horizontally arranged in the screen 102 and a power source in driving connection with the pushing component, a cavity 103 is reserved between the screen 102 and the filter cartridge 101, one end of the filter cartridge 101 is provided with a mixture inlet 104, the other end of the filter cartridge 101 is provided with a first outlet 105, and the bottom of the filter cartridge 101 is provided with a second outlet 106 communicated with the cavity 103.

In the utility model, the slurry to be filtered enters the filter cylinder 101 from the mixture inlet 104, the slurry entering the filter cylinder 101 passes through the screen 102 and then enters the cavity 103 between the screen 102 and the filter cylinder 101, and then is conveyed out of the filter cylinder 101 through the conveying second outlet 106; during the filtration process, there is also the grinding balls 30 and part of the coarse material inside the screen 102, which part of the material is moved in the direction of the first outlet 105 by the pushing of the pushing member, and is discharged out of the filter cartridge 101 through the first outlet 105. The filter cartridge structure is arranged outside the sand mill, so that the filter cartridge structure is convenient to maintain and disassemble, and meanwhile, the screen 102 is not arranged in the grinding cylinder 20, so that the sand mill is not easy to block; in addition, plugs are located inside the screen 102 and are easily cleaned from the outside.

Preferably, the pushing component includes a rotating shaft 107 and a scraping plate 108, the rotating shaft 107 horizontally penetrates through the screen 102, one end of the rotating shaft 107 penetrates through the filter cylinder 101 and is connected with the power source, and the scraping plate 108 is arranged on the outer surface of the rotating shaft 107. The rotating shaft 107 is driven to rotate by the power source, and then the scraping plate 108 is driven to rotate, so that the grinding balls 30 and part of coarse materials in the screen 102 are pushed to move towards the direction of the first outlet 105, and the grinding balls 30 and part of coarse materials are discharged out of the filter cylinder 101.

Preferably, the scraping plates 108 are spirally distributed around the rotating shaft 107. So that the scraping effect can be improved.

Preferably, a plurality of sieve holes are uniformly distributed on the peripheral wall of the screen 102. This can improve the filtering effect.

As shown in fig. 2, the sand mill provided by the utility model comprises a grinding cylinder 20, wherein the grinding cylinder 20 comprises a grinding cavity 201, the grinding cylinder 20 is provided with a feed port 202, a discharge port 203 and a return port 204 which are communicated with the grinding cavity 201, a grinding ball 30 is arranged in the grinding cavity 201, a grinding rotor 50 which is arranged on a rotary main shaft 40 and rotates along with the rotary main shaft 40 is arranged in the grinding cavity 201, and one end of the rotary main shaft 40 extends out of the grinding cylinder 20 and is in transmission connection with a driving motor 60; the filter cartridge structure is arranged outside the grinding drum 20, the discharge outlet 203 of the grinding drum 20 is communicated with the mixture inlet 104 of the filter cartridge structure, and the feed back outlet 204 of the grinding drum 20 is communicated with the first outlet 105 of the filter cartridge structure.

In the present utility model, the driving motor 60 drives the rotating spindle 40 to rotate, and then drives the grinding rotor 50 to rotate, the grinding ball 30 is located inside the grinding cavity 201, and during the rotation of the grinding rotor 50, the grinding rotor 50 drives the grinding ball 30 to rotate and rub. The abrasive to be ground enters the grinding cavity 201 through the feed port 202, and is rubbed and ground by the grinding balls 30 in the grinding cavity 201. The material is ground and then enters the filter cylinder structure through the discharge hole 203, the filtered slurry is conveyed out of the device through the second outlet 106, the grinding balls 30 and coarse materials inside the screen 102 flow back into the grinding cavity 201 through the return hole 204, the filtering and back flow processes are realized, and meanwhile, the conveying of the grinding balls 30 from the discharge end to the feed end of the grinding cavity 201 is realized, so that the grinding balls 30 in the regions of the discharge hole 203 are balanced, the abrasion is uniform, and the grinding efficiency is high.

Preferably, two filter cartridge structures are arranged outside the grinding cylinder 20, and the mixture inlets 104 of the two filter cartridge structures are respectively connected with the discharge port 203. Through setting up two and straining a section of thick bamboo structures, can open another section of thick bamboo structure work when straining a section of thick bamboo structure maintenance, realize an online operation, a reserve to do not influence production process, improve grinding efficiency.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (6)

1. A filter cartridge structure for a sand mill, characterized by comprising a filter cartridge body (10), wherein the filter cartridge body (10) is used for being arranged outside a grinding cylinder (20) of the sand mill and used for filtering ground materials; the filter cartridge body (10) comprises a filter cartridge (101) with a filter cavity, a screen (102) horizontally arranged in the filter cavity, a pushing component horizontally arranged in the screen (102) and a power source in driving connection with the pushing component, a cavity (103) is reserved between the screen (102) and the filter cartridge (101), a mixture inlet (104) is formed in one end of the filter cartridge (101), a first outlet (105) is formed in the other end of the filter cartridge, and a second outlet (106) communicated with the cavity (103) is formed in the bottom of the filter cartridge (101).

2. The filter cartridge structure of claim 1, wherein the pushing component comprises a rotating shaft (107) and a scraping plate (108), the rotating shaft (107) horizontally penetrates through the screen (102), one end of the rotating shaft (107) penetrates through the filter cartridge (101) and is connected with the power source, and the scraping plate (108) is arranged on the outer surface of the rotating shaft (107).

3. A filter cartridge structure according to claim 2, wherein the scraping plates (108) are helically distributed around the rotation axis (107).

4. A filter cartridge structure as claimed in claim 1, wherein a plurality of holes are uniformly distributed in the peripheral wall of the screen (102).

5. The sand mill is characterized by comprising a grinding cylinder (20), wherein the grinding cylinder (20) comprises a grinding cavity (201), the grinding cylinder (20) is provided with a feed inlet (202), a discharge outlet (203) and a return inlet (204) which are communicated with the grinding cavity (201), a grinding ball (30) is arranged in the grinding cavity (201), a grinding rotor (50) which is arranged on a rotary main shaft (40) and rotates along with the rotary main shaft (40) is arranged in the grinding cavity (201), and one end of the rotary main shaft (40) extends out of the grinding cylinder (20) and is in transmission connection with a driving motor (60); the filter cartridge structure of any one of claims 1-4, wherein the filter cartridge structure is arranged outside the grinding cartridge (20), a discharge port (203) of the grinding cartridge (20) is communicated with a mixture inlet (104) of the filter cartridge structure, and a return port (204) of the grinding cartridge (20) is communicated with a first outlet (105) of the filter cartridge structure.

6. A sand mill according to claim 5, characterized in that the grinding drum (20) is provided externally with two cartridge arrangements, the mixture inlets (104) of which are connected to the discharge opening (203) respectively.