CN213161746U

CN213161746U - Powder metallurgy is with dividing sieve device to great granule grinding

Info

Publication number: CN213161746U
Application number: CN202021363781.8U
Authority: CN
Inventors: 李春宇
Original assignee: Liaoning Pinchuan Hefeng Metallurgical Materials Co ltd
Current assignee: Liaoning Pinchuan Hefeng Metallurgical Materials Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-11
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a powder metallurgy is with dividing sieve device to grinding of great granule, including organism, first motor and second motor, the internally mounted of organism has first transfer roller, the through-hole has all been seted up to the inside of first transfer roller, second transfer roller and third transfer roller, the output of first motor is connected with the transfer chain, first discharge gate has been seted up to organism left side below, the inside abrasive disc that is fixed with in organism right side below, the second discharge gate has been seted up to the right side below of organism. This powder metallurgy is with dividing sieve device to great granule grinding, the through-hole that the aperture scales up has set gradually in the inside of first transfer roller, second transfer roller and third transfer roller, can divide the sieve to the powder of different granularities at the in-process of powder transmission, and the powder of less granule can directly be discharged from first discharge gate, and the powder of great granule is then transmitted to the abrasive disc surface, conveniently carries out subsequent grinding work.

Description

Powder metallurgy is with dividing sieve device to great granule grinding

Technical Field

The utility model relates to a powder metallurgy correlation technique field specifically is a powder metallurgy is with screening device to great granule grinding.

Background

Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by taking metal powder as a raw material and forming and sintering the metal powder, the powder metallurgy technology has the excellent characteristics of energy conservation, material saving, good stability, high product precision and the like, in the powder metallurgy technology, in order to ensure uniform product density, powder with consistent granularity is required to be used, so a screening device is required to be used for screening the raw material, but the existing screening device also has certain defects.

The mode that current branch sieve device generally adopted the screen cloth vibrations sieves, need regularly dismantle the screen cloth to get off the washing in order to avoid the screen cloth to block up, and the screening is accomplished the back, need take out the great powder of screen cloth surface granule, grinds the powder of big granule again, and whole process operation is very loaded down with trivial details, has reduced powder metallurgy's machining efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder metallurgy is with dividing sieve device to great granule grinding to propose the mode that current branch sieve device generally adopted the screen cloth vibrations in solving above-mentioned background and sieve, need dismantle the screen cloth and get off the washing, sieve and accomplish the back, need take out the great powder of screen cloth surface granule, grind the powder of big granule again, complex operation has reduced powder metallurgy's machining efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for grinding larger particles for powder metallurgy comprises a machine body, a first motor and a second motor, wherein a first conveying roller is arranged inside the machine body, a second conveying roller is arranged on the right side of the first conveying roller, a third conveying roller is arranged on the right side of the second conveying roller, through holes are formed in the first conveying roller, the second conveying roller and the third conveying roller, the first motor is connected to the rear side of the second conveying roller and located behind the machine body, a conveying chain is connected to the output end of the first motor, the left end and the right end of the conveying chain are respectively connected with the rear ends of the first conveying roller and the third conveying roller, a first discharge hole is formed in the lower portion of the left side of the machine body, the second motor is installed on the surface of the right side of the machine body in an embedded mode, a driving wheel is fixed to the left end of the second motor and located below the third conveying roller, and the below of action wheel is connected with from the driving wheel to the below from the driving wheel is fixed with the axis of rotation, the inside abrasive disc that is fixed with in organism right side below, and the upper surface of abrasive disc and the lower terminal surface interconnect of axis of rotation, and the hole has been seted up to the inside of abrasive disc, the external fixed surface of axis of rotation has the grinding miller, and the lower surface of grinding miller and the upper surface of abrasive disc all are fixed with the grinding piece, the second discharge gate has been seted up to the right side below of organism, and the second discharge gate is located the below of abrasive disc.

Preferably, through holes are formed in the first conveying roller, the second conveying roller and the third conveying roller at equal internal angles, the diameter length of the through holes in the first conveying roller is smaller than that of the through holes in the second conveying roller, and the diameter length of the through holes in the second conveying roller is smaller than that of the through holes in the third conveying roller.

Preferably, the first discharge hole and the second discharge hole are symmetrically arranged about a middle dividing line of the machine body, and a lower end horizontal line of the first discharge hole is higher than a lower end horizontal line of the second discharge hole.

Preferably, the driving wheel is in meshed connection with the driven wheel, and the driving wheel and the driven wheel are both in bevel gear structures.

Preferably, the inside of abrasive disc has the hole of equidistance seted up, and abrasive disc and axis of rotation are the rotation and are connected.

Preferably, the grinding blocks are arranged on the surfaces of the grinding rod and the grinding disc at equal intervals, and the grinding blocks on the surface of the grinding rod and the grinding blocks on the surface of the grinding disc are distributed in a staggered manner.

Compared with the prior art, the beneficial effects of the utility model are that: the screening device for grinding larger particles for powder metallurgy,

1. through holes with gradually increased apertures are sequentially arranged in the first conveying roller, the second conveying roller and the third conveying roller, so that powder with different particle sizes can be screened in the powder conveying process, smaller powder can be directly discharged from the first discharge port, and larger powder is conveyed to the surface of the grinding disc, and subsequent grinding work is facilitated;

2. the grinding rods are arranged on the surface of the rotating shaft at equal angles, the second motor rotating shaft rotates on the surface of the grinding disc, powder with larger particles after screening can be ground, and the powder meeting the processing requirement after grinding passes through the hole and is discharged from the second discharge hole, so that the processing flow of powder metallurgy powder is optimized, and the production efficiency of powder metallurgy is improved;

3. the first discharge gate and the second discharge gate that set up can realize the hierarchical ejection of compact of the inside powder of organism, have realized synchronous grinding work at the in-process that divides the sieve to the powder, do not need the manual work to get the material and throw the material, have reduced the powder and have divided the intensity of labour of sieve in-process, compare in the screening mode of screen cloth vibrations, can make the branch sieve output of powder improve by a wide margin.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic view of the first motor and the transmission chain of the present invention;

FIG. 3 is a schematic view of the installation overlooking structure of the rotating shaft and the grinding rod of the present invention;

fig. 4 is the schematic view of the overlooking structure of the grinding disc and the hole of the present invention.

In the figure: 1. a body; 2. a first transfer roller; 3. a second transfer roller; 4. a third transfer roller; 5. a through hole; 6. a first motor; 7. a conveyor chain; 8. a first discharge port; 9. a second motor; 10. a driving wheel; 11. a driven wheel; 12. a rotating shaft; 13. a grinding disk; 14. a hole; 15. a grinding rod; 16. grinding blocks; 17. and a second discharge hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a powder metallurgy is with dividing sieve device to grinding relatively big granule, which comprises a bod 1, first transfer roller 2, second transfer roller 3, third transfer roller 4, through-hole 5, first motor 6, transfer link 7, first discharge gate 8, second motor 9, action wheel 10, from driving wheel 11, axis of rotation 12, abrasive disc 13, hole 14, grinding rod 15, grind piece 16 and second discharge gate 17, the internally mounted of organism 1 has first transfer roller 2, and the right side of first transfer roller 2 is provided with second transfer roller 3, and the right side of second transfer roller 3 is provided with third transfer roller 4, first transfer roller 2, through-hole 5 has all been seted up to the inside of second transfer roller 3 and third transfer roller 4, and the rear of second transfer roller 3 is connected with first motor 6, and first motor 6 is located the rear of organism 1, the output of first motor 6 is connected with transfer link 7, and both ends are connected with transfer roller 2 and the rear end of third transfer roller 4 interconnect each other respectively about transfer link 7 A first discharge hole 8 is formed in the lower portion of the left side of the machine body 1, a second motor 9 is installed on the right side surface of the machine body 1 in an embedded mode, a driving wheel 10 is fixed to the left end of the second motor 9, the driving wheel 10 is located below the third conveying roller 4, a driven wheel 11 is connected to the lower portion of the driving wheel 10, a rotating shaft 12 is fixed to the lower portion of the driven wheel 11, a grinding disc 13 is fixed to the lower portion of the right side of the machine body 1, the upper surface of the grinding disc 13 is connected with the lower end face of the rotating shaft 12, a hole 14 is formed in the grinding disc 13, a grinding rod 15 is fixed to the outer surface of the rotating shaft 12, grinding blocks 16 are fixed to the lower surface of the grinding rod 15 and the upper surface of the grinding disc 13, a second discharge hole 17 is formed in the lower portion of the right side of the machine body 1;

through holes 5 are formed in the first conveying roller 2, the second conveying roller 3 and the third conveying roller 4 at equal angles, the diameter length of the through hole 5 in the first conveying roller 2 is smaller than that of the through hole 5 in the second conveying roller 3, the diameter length of the through hole 5 in the second conveying roller 3 is smaller than that of the through hole 5 in the third conveying roller 4, the through holes 5 with gradually increased diameters can be used for sieving powder in the powder conveying process, the powder with large particles sieved out is conveyed to the surface of the grinding disc 13, subsequent grinding work is facilitated, and labor intensity in the manual material taking and feeding operation process is reduced;

the first discharge port 8 and the second discharge port 17 are symmetrically arranged about a middle parting line of the machine body 1, a lower end horizontal line of the first discharge port 8 is higher than a lower end horizontal line of the second discharge port 17, and classified discharge of powder with different particle sizes can be realized by utilizing the arranged first discharge port 8 and the second discharge port 17, so that the powder used in powder metallurgy keeps consistent particle sizes, and the processing quality of powder metallurgy products is improved;

the driving wheel 10 is in meshed connection with the driven wheel 11, the driving wheel 10 and the driven wheel 11 are both arranged in bevel gear structures, and the driving wheel 10 and the driven wheel 11 are directly in meshed connection, so that synchronous rotation of the driven wheel 11 can be realized when the driving wheel 10 rotates, and the rotating shaft 12 can rotate at a constant speed conveniently;

the inside of the grinding disc 13 is provided with holes 14 at equal angles, the grinding disc 13 is rotatably connected with the rotating shaft 12, the holes 14 at equal angles facilitate the powder which meets the requirements after grinding to pass through, so as to achieve the further screening effect, and as the grinding disc 13 is rotatably connected with the rotating shaft 12, the surface of the grinding disc 13 cannot generate torsional force when the rotating shaft 12 rotates, so that the normal work of the grinding disc 13 is ensured;

the grinding blocks 16 are arranged on the surfaces of the grinding rod 15 and the grinding disc 13 at equal intervals, the grinding blocks 16 on the surface of the grinding rod 15 and the grinding blocks 16 on the surface of the grinding disc 13 are distributed in a staggered manner, and when the grinding rod 15 rotates, the grinding blocks 16 on the surface of the grinding rod 15 cannot collide with the grinding blocks 16 on the surface of the grinding disc 13 in the staggered distribution manner, and meanwhile, the powder with larger particles can be effectively ground, so that the powder with larger particles can be conveniently utilized;

the working principle is as follows: when the screening device for grinding larger particles for powder metallurgy is used, according to the illustration in fig. 1-4, firstly, powder to be screened is fed from a feed inlet above a machine body 1, a first motor 6 is started, and the connection effect of a conveying chain 7 is utilized to enable a first conveying roller 2, a second conveying roller 3 and a third conveying roller 4 to synchronously rotate clockwise in the machine body 1, the powder falls to the upper side of the first conveying roller 2 through the action of gravity after entering the machine body 1, the powder with smaller particles directly passes through a through hole 5 in the first conveying roller 2 and is discharged from the inside of a first discharge port 8, the powder with larger particles is clamped in the through hole 5 in the first conveying roller 2 and is transferred rightwards through the rotating first conveying roller 2, and the powder with smaller particles passes through the through hole 5 in the second conveying roller 3 after being transferred to the inside of the second conveying roller 3, the powder with larger particles is clamped in the through hole 5 in the second conveying roller 3 and is conveyed to the surface of the third conveying roller 4 rightwards, and the residual powder can pass through the through hole 5 in the third conveying roller 4 due to the larger aperture of the through hole 5 in the third conveying roller 4;

after screening is completed, the second motor 9 is started, so that the second motor 9 drives the driving wheel 10 to rotate, when the driving wheel 10 rotates, synchronous rotation of the driven wheel 11 and the rotating shaft 12 is realized by utilizing meshing connection between the driving wheel 10 and the driven wheel 11, the lower surface of the grinding rod 15 and the upper surface of the grinding disc 13 are both provided with the grinding block 16, the rotating shaft 12 can drive the grinding rod 15 to effectively grind powder on the surface of the grinding disc 13, the powder ground by the grinding block 16 passes through the hole 14 and is finally discharged from the inside of the second discharge hole 17, synchronous screening and grinding of the powder are realized in the whole process, the powder which meets the requirement of granularity and is discharged from the inside of the first discharge hole 8 and the ground powder discharged from the second discharge hole 17 can be directly used for powder metallurgy processing, the adoption of a screen vibration mode is avoided, and the phenomenon of screen blockage can be avoided, the screening efficiency of the powder can be improved, and the overall practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder metallurgy is with dividing sieve device to bigger granule grinding, includes organism (1), first motor (6) and second motor (9), its characterized in that: a first conveying roller (2) is arranged inside the machine body (1), a second conveying roller (3) is arranged on the right side of the first conveying roller (2), a third conveying roller (4) is arranged on the right side of the second conveying roller (3), through holes (5) are formed in the first conveying roller (2), the second conveying roller (3) and the third conveying roller (4), a first motor (6) is connected to the rear side of the second conveying roller (3), the first motor (6) is located behind the machine body (1), the output end of the first motor (6) is connected with a conveying chain (7), the left end and the right end of the conveying chain (7) are connected with the rear ends of the first conveying roller (2) and the third conveying roller (4) respectively, a first discharge hole (8) is formed in the lower portion of the left side of the machine body (1), and a second motor (9) is installed on the right side of the machine body (1) in an embedded mode, and the left end of second motor (9) is fixed with action wheel (10), action wheel (10) are located the below of third transfer roller (4), and the below of action wheel (10) is connected with from driving wheel (11), and the below from driving wheel (11) is fixed with axis of rotation (12), organism (1) right side below inside is fixed with abrasive disc (13), and the upper surface of abrasive disc (13) and the lower terminal surface interconnect of axis of rotation (12), and hole (14) have been seted up to the inside of abrasive disc (13), the external fixed surface of axis of rotation (12) has grinding miller (15), and the lower surface of grinding miller (15) and the upper surface of abrasive disc (13) all are fixed with abrasive brick (16), second discharge gate (17) have been seted up to the right side below of organism (1), and second discharge gate (17) are located the below of abrasive disc (13).

2. The screening device for grinding larger particles for powder metallurgy according to claim 1, wherein: through-hole (5) have been seted up to the inside equant angle of first transfer roller (2), second transfer roller (3) and third transfer roller (4), and the diameter length of the inside through-hole (5) of first transfer roller (2) is less than the diameter length of the inside through-hole (5) of second transfer roller (3) to the diameter length of the inside through-hole (5) of second transfer roller (3) is less than the diameter length of the inside through-hole (5) of third transfer roller (4).

3. The screening device for grinding larger particles for powder metallurgy according to claim 1, wherein: the first discharge hole (8) and the second discharge hole (17) are symmetrically arranged relative to a middle parting line of the machine body (1), and the lower end horizontal line of the first discharge hole (8) is higher than that of the second discharge hole (17).

4. The screening device for grinding larger particles for powder metallurgy according to claim 1, wherein: the driving wheel (10) is meshed with the driven wheel (11), and the driving wheel (10) and the driven wheel (11) are both of bevel gear structures.

5. The screening device for grinding larger particles for powder metallurgy according to claim 1, wherein: holes (14) are formed in the grinding disc (13) at equal angles, and the grinding disc (13) is rotatably connected with the rotating shaft (12).

6. The screening device for grinding larger particles for powder metallurgy according to claim 1, wherein: the grinding blocks (16) are arranged on the surfaces of the grinding rod (15) and the grinding disc (13) at equal intervals, and the grinding blocks (16) on the surface of the grinding rod (15) and the grinding blocks (16) on the surface of the grinding disc (13) are distributed in a staggered mode.