CN210434626U

CN210434626U - Grind quick-witted separator and grind machine

Info

Publication number: CN210434626U
Application number: CN201920754399.0U
Authority: CN
Inventors: 张永胜; 夏石元; 徐高
Original assignee: Changsha Xili Nano Grinding Technology Co ltd
Current assignee: Changsha Xili Nano Grinding Technology Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-05-01
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a grind quick-witted separator and machine of grinding, grind quick-witted separator sets up and rotates along with it on hollow ejection of compact axle, including first end cover, the second end cover and set up the vortex body between first end cover and second end cover, the inside separation chamber that link up along the axial that is provided with of vortex body, separation chamber and hollow chamber intercommunication of hollow ejection of compact axle, the lateral wall of vortex body is provided with the vortex groove from the extroversion in, vortex groove and separation chamber intercommunication, the one end that the vortex groove is close to first end cover pierces through the vortex body along the axial, first end cover is provided with the slot with vortex groove lateral wall looks adaptation on being close to the terminal surface of vortex groove, vortex body and first end cover closely peg graft through the vortex groove lateral wall with the cooperation that corresponds the slot, the one end that first end cover was kept away from to the separation chamber is sealed to the second end cover. Adopt above-mentioned structure the utility model discloses a grind quick-witted separator and grind machine has the advantage that the machine is ground that the separation is effectual, the dismouting is easy, assembly precision, structural strength are high and can be applicable to different models.

Description

Grind quick-witted separator and grind machine

Technical Field

The utility model belongs to the technical field of grind the machine, concretely relates to grind quick-witted separator and grind machine.

Background

The existing grinding machine mainly comprises a rack, a driving main shaft arranged on the rack, a grinding device, a separating device and a hollow discharging shaft, wherein the grinding device comprises a grinding cylinder and a grinder positioned in the grinding cylinder, the driving main shaft extends into the grinding cylinder and drives the grinder to rotate, the separating device is positioned in the grinding cylinder, the separating device generally adopts a centrifugal separator, the separator is driven by the hollow discharging shaft, a cavity is arranged inside the separator, the cavity is communicated with the hollow cavity of the hollow discharging shaft, and the side wall of the separator is provided with a vortex groove communicated with the cavity inside the separator. The grinding machine during operation, hollow discharging shaft drive separator high-speed rotation, the material in the grinding vessel is through mill and grinding medium grinding back, under the grinding pressure effect, and the material of less granule gets into the separator from the vortex groove, reentrants the hollow intracavity of hollow discharging shaft, realizes the ejection of compact from the tip of hollow discharging shaft at last, and the material of great granule then returns the grinding vessel and grinds once more under the effect of the rotatory centrifugal force of separator to improve the grinding precision. In order to improve the separation efficiency, the vortex groove has a longer length along the axial direction as much as possible, but the processing difficulty of the vortex groove is increased along with the longer length, and meanwhile, the disassembly, the assembly and the maintenance are difficult. In order to solve the problems, a part of separating device is provided with two half separating cylinders, the adjacent sides of the two half separating cylinders are provided with half vortex grooves, the two half vortex grooves form a complete vortex groove, although the processing difficulty of the separator is reduced, the separator is more convenient to disassemble, assemble and maintain, the situation that the two half vortex grooves cannot be aligned is easy to occur, the assembling precision is low, meanwhile, the connection of the side walls of the two half vortex grooves is higher in structural strength requirement, the situation of material leakage is easy to occur, the sealing performance is poor, in addition, for grinding machines of different models, corresponding separating devices of different sizes need to be designed, time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem of providing a separating device which is convenient to disassemble and assemble, has good assembly precision, high structural strength and good sealing performance and can be suitable for grinding machines of different models; the utility model discloses the second technical problem that will solve provides a machine of grinding.

The utility model discloses a realize through following technical scheme:

the utility model provides a grind quick-witted separator, the setting is at hollow unloading epaxial and rotates along with it, including first end cover, second end cover and set up the vortex body between first end cover and second end cover, the vortex body is inside to be provided with along the separation chamber that the axial link up, the separation chamber communicates with the hollow chamber of hollow unloading axle, the lateral wall of vortex body is provided with the vortex groove from outside-in, vortex groove and separation chamber intercommunication, the vortex body is penetrated along the axial to the one end that the vortex groove is close to first end cover, first end cover is provided with the slot with vortex groove lateral wall looks adaptation on being close to the terminal surface of vortex groove, vortex body and first end cover closely peg graft through the cooperation of vortex groove lateral wall with corresponding slot, the second end cover is sealed the one end that first end cover was kept away from to the separation chamber.

Optionally, the number of the scroll bodies is multiple, the end face, deviating from the scroll groove penetrating end, of each scroll body is also provided with a slot matched with the side wall of the scroll groove, and adjacent scroll bodies are sequentially and tightly inserted into the slots through matching of the side walls of the scroll grooves and the corresponding slots.

Optionally, the second end cap is detachably disposed at an end of the hollow discharging shaft, and the second end cap is tightly pressed on an end face of the adjacent scroll body.

Optionally, the end face of the scroll body abutting against the second end cover is axially provided with a sinking platform, the inner diameter of the sinking platform is larger than the outer diameter of the hollow discharging shaft, and the second end cover is detachably arranged in the sinking platform.

Optionally, the second end cover is connected with the side wall of the hollow discharging shaft through a screw.

Optionally, the separation cavity is stepped, and the end with the smaller inner diameter of the inner wall of the volute body is matched with the outer wall of the hollow discharging shaft.

Optionally, the projection of the vortex groove on the radial plane is in an involute shape.

Optionally, the hollow discharging shaft is provided with a discharging port, and the separation cavity is communicated with the inner cavity of the hollow discharging shaft through the discharging port.

The utility model provides a grinding machine, which comprises a frame, be provided with hollow ejection of compact axle in the frame, drive main shaft and grinder, grinder includes grinding vessel and mill, the drive main shaft stretches into in the grinding vessel, the one end of mill sets up on the drive main shaft and rotates along with its is coaxial, its other end is provided with along the grinding chamber that the axial is link up, the one end of hollow ejection of compact axle stretches into the grinding intracavity, its other end is provided with the discharging pipe, the hollow ejection of compact axle is located the end of stretching into of grinding intracavity and is provided with foretell grinding machine separator.

Optionally, the hollow discharging shaft and the driving main shaft rotate in opposite directions.

The utility model has the advantages that:

the utility model discloses a hollow material axle drives first end cover, vortex body and second end cover rotation, and the powerful centrifugal force that produces during the rotation is the grinding media in the grinding vessel promptly mill pearl and the material of coarser granule toward throwing outward, avoids milling pearl and the material of coarser granule to get into the vortex groove, and the material of fine and small granule can overcome centrifugal force under the effect of the pressure in the grinding vessel and enter into the inner chamber of hollow material axle from the vortex groove in, realizes the ejection of compact. In the technical scheme of the utility model, the adjacent scrolls and the first end cover and the adjacent scrolls are closely inserted and connected with the corresponding slots through the matching of the side wall of the scroll groove, firstly, a split structure is adopted, so that the whole separation device is convenient to disassemble and assemble, and is further convenient to clean and maintain; in addition, the first end cover and each scroll body are prevented from rotating mutually through the matching of the side wall of the scroll groove and the slot in sequence in a splicing mode, the assembling precision is improved, and the first end cover and each scroll body provide torque through the side wall of the scroll groove and the slot; the vortex body can batch production, and every vortex body one end wherein all sets up the slot, and the other end sets up the vortex groove, and a plurality of vortex bodies can peg graft the disengagement zone that forms different length in proper order, and then can be used for the machine of grinding of different models.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the separating device of the grinder of the present invention;

FIG. 2 is a view of one of the scroll members of the present invention;

FIG. 3 is another perspective view of the scroll component of the present invention;

FIG. 4 is a schematic view of the overall structure of the grinder of the present invention;

fig. 5 is a partially enlarged view of fig. 4 at C.

Detailed Description

The utility model discloses a grind quick-witted separator, as shown in fig. 1 to 3, the setting is on hollow play material axle 100 and rotates along with it, including first end cover 201, second end cover 202 and set up the vortex body 200 between first end cover 201 and second end cover 202, vortex body 200 is inside to be provided with along the separation chamber 203 that the axial link up, separation chamber 203 and hollow play material axle 100's hollow chamber intercommunication, the outside-in vortex groove 204 that is provided with from the lateral wall of vortex body 200, vortex groove 204 and separation chamber 203 intercommunication, the one end that vortex groove 204 is close to first end cover 201 pierces through vortex body 200 along the axial, first end cover 201 is close to being provided with on the terminal surface of vortex groove 204 with the slot 205 of vortex groove 204 lateral wall looks adaptation, vortex body 200 and first end cover 201 closely peg graft through the cooperation of vortex groove 204 lateral wall with corresponding slot 205, second end cover 202 seals the one end that first end cover was kept away from to separation chamber 203.

In this embodiment, the hollow discharging shaft 100 drives the first end cap 201, the scroll body 200 and the second end cap 202 to rotate, the grinding medium, i.e., the grinding beads and the material with relatively coarse particles, is thrown outwards by the powerful centrifugal force generated during rotation, so that the grinding beads and the material with relatively coarse particles are prevented from entering the scroll groove 204, and the material with fine particles can overcome the centrifugal force to enter the hollow cavity of the hollow discharging shaft 100 from the scroll groove 204 under the action of the grinding pressure, so as to realize discharging. Vortex body 200 closely pegs graft through the cooperation of vortex groove 204 lateral wall and corresponding slot 205 with first end cover 201, at first, the utility model discloses a split type structure, easy dismounting, and then convenient washing and maintenance. And, peg graft in proper order through the cooperation of spiral groove 204 lateral wall with slot 205, not only can prevent to rotate each other between first end cover 201 and the vortex body 200, improved location and assembly precision, provide the moment of torsion through the cooperation of spiral groove 204 lateral wall with slot 205 between first end cover 201 and the vortex body 200 moreover to rotate together, compare in connecting through glue or screw etc. that its moment of torsion that can transmit is bigger, and structural strength is higher, and its sealing performance is better simultaneously.

In some embodiments, as shown in fig. 1 to fig. 3, the number of the scroll bodies 200 is plural, and the end surface of the scroll body 200 facing away from the penetrating end of the scroll groove 204 is also provided with an insertion groove 205 adapted to the side wall of the scroll groove 204, and each adjacent scroll body 200 is sequentially and tightly inserted into the corresponding insertion groove 205 through the matching of the side wall of the scroll groove 204. The scroll body 200 can be produced in batches, one end of each scroll body 200 is provided with the slot 205, the other end is provided with the scroll groove 204, and a plurality of scroll bodies 200 can be sequentially inserted into the separation areas with different lengths through the matching of the side walls of the scroll grooves 204 and the slots 205, so that the grinding machine can be used for grinding machines with different models.

In some embodiments, as shown in fig. 1, the second end cap 202 is detachably disposed at an end of the hollow discharging shaft 100, and the second end cap 202 is tightly pressed against an end surface of the scroll body 200, so that both ends of the hollow discharging shaft 100 can be connected, which is convenient for processing and cleaning the hollow discharging shaft 100, and meanwhile, the second end cap 202 is detachably disposed, which is more convenient for disassembly and maintenance.

In some embodiments, as shown in fig. 1, a sinking platform 206 is axially disposed on an end surface of the scroll 200 abutting against the second end cap 202, an inner diameter of the sinking platform 206 is larger than an outer diameter of the hollow discharging shaft 100, and the second end cap 202 is disposed in the sinking platform 206. The second end cap 202 is disposed in the sink 206, reducing the installation space and further increasing the space for holding the materials and grinding media.

In some embodiments, as shown in fig. 1, the second end cap 202 is connected to the sidewall of the hollow discharging shaft 100 by screws. The second end cap 202 can be pressed against the end face of the scroll body 200 by tightening the screws, and the screws can be loosened when the separator part needs to be cleaned or repaired. In addition, the outer side wall of the second end cap 202 may also be step-shaped, the outer side wall with the smaller outer diameter is provided with an external thread, the inner wall of the hollow discharging shaft 100 is provided with an internal thread, the outer side wall with the smaller outer diameter of the second end cap 202 is in threaded connection with the inner wall of the hollow discharging shaft 100, and the step surface of the second end cap 202 tightly abuts against the end surface of the second end cap 202.

In some embodiments, as shown in fig. 1, the separation chamber 203 is stepped, and the end of the inner wall of the scroll 200 with the smaller inner diameter is matched with the outer wall of the hollow discharging shaft 100. When a plurality of scrolls 200 need to be arranged, the separation cavities 203 of a part of the scrolls 200 can be arranged in a step shape, and then the separation cavities can be directly sleeved on the outer wall of the hollow discharging shaft 100, so that the assembly strength is improved.

In some embodiments, as shown in FIG. 2, the projection of the spiral groove 204 onto the radial plane is involute. The involute-shaped vortex groove 204 enables the materials to stably move in the vortex groove 204, and therefore the continuity and the stability of separation are improved.

In some embodiments, as shown in fig. 1, the hollow discharging shaft 100 is provided with a discharging hole 101, and the separation cavity 203 is communicated with the inner cavity of the hollow discharging shaft 100 through the discharging hole 101. According to actual demand, a plurality of discharge ports 101 communicated with each separation cavity 203 can be arranged, and corresponding discharge ports 101 can be arranged corresponding to each separation cavity 203.

A grinding machine, as shown in fig. 4 and 5, comprises a frame 300, a hollow discharging shaft 100, a driving spindle 400 and a grinding device 500 are arranged on the frame 300, the grinding device 500 comprises a grinding cylinder 501 and a grinder 502, the driving spindle 400 extends into the grinding cylinder 501, one end of the grinder 502 is arranged on the driving spindle 400 and rotates coaxially therewith, the other end of the grinder 502 is provided with a grinding cavity 503 which is through along the axial direction, one end of the hollow discharging shaft 100 extends into the grinding cavity 503, the other end of the hollow discharging shaft is provided with a discharging pipe 102, and the extending end of the hollow discharging shaft 100, which is positioned in the grinding cavity 503, is provided with the grinding machine separating device.

The machine during operation that grinds, drive main shaft 400 drives mill 502 and rotates, and the material in grinding vessel 501 is through mill 502 and grinding medium grinding back, and under the grinding pressure effect, during the material of less granule passes through the separation of grinding machine separator and gets into the hollow chamber of hollow play material axle 100, rethread discharging pipe 102 was exported the material, and the material of bigger granule then returns grinding vessel 501 interior regrinding under the effect of the rotatory centrifugal force of grinding machine separator to improve the grinding precision. The grinding cavity 503 for placing the separating device of the grinding machine is arranged, so that the space for containing materials and grinding media in the grinding cylinder 501 can be increased, the space is saved, and the grinding efficiency is improved.

In some embodiments, hollow discharge shaft 100 rotates in the opposite direction of drive spindle 400. The materials in the grinding cavity 503 and the hollow discharging shaft 100 rotate asynchronously, so that the materials can enter the vortex groove 204 conveniently, and the discharging efficiency is improved.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. A mill separation unit disposed on and rotatable with a hollow discharge shaft (100), characterized by: comprises a first end cover (201), a second end cover (202) and a vortex body (200) arranged between the first end cover (201) and the second end cover (202), a separation cavity (203) which is through along the axial direction is arranged in the scroll body (200), the separation cavity (203) is communicated with the hollow cavity of the hollow discharging shaft (100), the side wall of the vortex body (200) is provided with a vortex groove (204) from outside to inside, the vortex groove (204) is communicated with the separation cavity (203), one end of the vortex groove (204) close to the first end cover (201) penetrates through the vortex body (200) along the axial direction, the end surface of the first end cover (201) close to the vortex groove (204) is provided with a slot (205) matched with the side wall of the vortex groove (204), the volute body (200) and the first end cover (201) are tightly inserted and connected with the corresponding slot (205) through the matching of the side wall of the volute groove (204), the second end cover (202) seals one end of the separation cavity (203) far away from the first end cover (201).

2. A mill separation apparatus as claimed in claim 1, characterised in that: the number of the scroll bodies (200) is multiple, the end face, deviating from the penetrating end of the scroll groove (204), of each scroll body (200) is also provided with a slot (205) matched with the side wall of the scroll groove (204), and adjacent scroll bodies (200) are sequentially and tightly inserted into corresponding slots (205) through matching of the side wall of the scroll groove (204).

3. A mill separation apparatus as claimed in claim 2, characterised in that: the second end cover (202) is detachably arranged at the end part of the hollow discharging shaft (100), and the second end cover (202) is tightly pressed on the end face of the vortex body (200) adjacent to the second end cover.

4. A mill separation apparatus as claimed in claim 3, characterised in that: the end face, abutted to the second end cover (202), of the volute body (200) is axially provided with a sinking platform (206), the inner diameter of the sinking platform (206) is larger than the outer diameter of the hollow discharging shaft (100), and the second end cover (202) is arranged in the sinking platform (206).

5. A mill separation apparatus as claimed in claim 4, characterised in that: the second end cover (202) is connected with the side wall of the hollow discharging shaft (100) through a screw.

6. A mill separation device according to any one of claims 1 to 5, characterised in that: the separation cavity (203) is in a step shape, and one end, with a smaller inner diameter, of the inner wall of the volute body (200) is matched with the outer wall of the hollow discharging shaft (100).

7. A mill separation device according to any one of claims 1 to 5, characterised in that: the projection of the vortex groove (204) on a radial plane is in an involute shape.

8. A mill separation device according to any one of claims 1 to 5, characterised in that: the hollow discharging shaft (100) is provided with a discharging hole (101), and the separation cavity (203) is communicated with the inner cavity of the hollow discharging shaft (100) through the discharging hole (101).

9. A grinding machine characterized in that: the grinding machine comprises a rack (300), wherein a hollow discharging shaft (100), a driving main shaft (400) and a grinding device (500) are arranged on the rack (300), the grinding device (500) comprises a grinding cylinder (501) and a grinder (502), the driving main shaft (400) extends into the grinding cylinder (501), one end of the grinder (502) is arranged on the driving main shaft (400) and rotates coaxially with the driving main shaft, the other end of the grinder (502) is provided with a grinding cavity (503) which penetrates through along the axial direction, one end of the hollow discharging shaft (100) extends into the grinding cavity (503), the other end of the hollow discharging shaft is provided with a discharging pipe (102), and the extending end of the hollow discharging shaft (100) in the grinding cavity (503) is provided with the grinding machine separating device according to any one of claims 1 to 8.

10. A grinding mill according to claim 9, characterized in that: the hollow discharging shaft (100) and the driving main shaft (400) rotate in opposite directions.