CN214262153U

CN214262153U - Grinding mechanism for plastic powder production

Info

Publication number: CN214262153U
Application number: CN202023203383.2U
Authority: CN
Inventors: 都业洋; 贾辉
Original assignee: Shenyang Fuda Technology Co ltd
Current assignee: Shenyang Fuda Technology Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-09-24
Anticipated expiration: 2030-12-27

Abstract

The utility model relates to a grinding mechanism for plastic powder production, which comprises a grinding tank, wherein the feed end of the grinding tank is provided with a feed pipe, a rotating shaft is arranged in the feed pipe, a helical blade is arranged on the rotating shaft, a first grinding disc, a second grinding disc and a grinding ring are arranged inside the grinding tank, the middle of the second grinding disc is hollow, a conical filter cover is arranged above the second grinding disc, the outer side of the grinding tank is provided with an air exhaust component, the air exhaust component comprises an air exhaust pump, a gas pipe, a filter tank and a filter cloth bag, the rotating shaft and the helical blade are driven by a feed motor to rotate, the material at the lower part can be sent to the high part, the material can be conveyed into the grinding tank on the ground, the filter cover can filter the plastic powder with small enough size, the large plastic powder particles are continuously ground, and the phenomenon of over grinding can be avoided, the air pump can be with moulding powder and air extraction in the grinding tank, avoids influencing the environment and moulding the powder production next time.

Description

Grinding mechanism for plastic powder production

Technical Field

The utility model relates to a grinding device technical field specifically is a grinding mechanism for moulding powder production.

Background

Grinding is an important step in the plastic powder production process, after a plastic sheet is crushed into smaller particles by a crushing mechanism, the plastic sheet is placed into a grinding mechanism for grinding to enable the plastic sheet to become very small plastic particles, the ground plastic powder particles are very small, the ground plastic powder particles are too small, the grinding mechanism is filled with the plastic powder particles and float to the surrounding air, if the worker protection measures are not in place, diseases can be caused by the plastic powder, the existing grinding mechanism can only float the plastic powder particles to the air, the grinding mechanism always has residual plastic powder particles, if different plastic powders are ground later, the residual plastic powder can affect the quality of the plastic powder, the existing grinding machine has insufficient grinding in the grinding process, the produced plastic powder is partially unqualified, and if the grinding time is too long, and the grinding mechanism is relatively large in order to ensure the production speed during grinding of the molding powder, and the feeding end of the grinding mechanism is generally arranged at the top of the grinding mechanism, so that the feeding is difficult.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a grind mechanism for moulding powder production.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding mechanism for plastic powder production comprises a grinding tank, wherein an inlet pipe is arranged at the feed end of the grinding tank, the inlet pipe is obliquely arranged, a charging bucket is arranged at the bottom end of the inlet pipe, the top end of the inlet pipe is connected with the feed end of the grinding tank, a rotating shaft is arranged in the inlet pipe, a spiral blade is arranged on the rotating shaft, a feed motor is arranged at one end of the inlet pipe, the rotating shaft penetrates through the inlet pipe to be connected with the feed motor, a plurality of first grinding discs, a plurality of second grinding discs and a plurality of grinding rings are arranged in the grinding tank, the first grinding discs are arranged above the second grinding discs, the first grinding discs and the second grinding discs are both in a reversed round table shape and are arranged in the middle of the grinding rings, the inner sides of the first grinding discs and the second grinding discs and the inner sides of the grinding rings are both provided with a plurality of arc-shaped grooves, the grinding device is characterized in that a plurality of grinding beads are arranged in the arc-shaped groove, a grinding shaft is arranged in the grinding tank, a grinding motor is arranged at the top of the grinding tank, a hopper is arranged on the bottom surface of the grinding ring, the middle of the second grinding disc is hollow, the inner side of the second grinding disc is in an inverted cone shape, a conical filter cover is arranged above the second grinding disc, the filter cover and the middle of the second grinding disc are correspondingly arranged, a plurality of connecting rods are arranged in the middle of the second grinding disc, the second grinding disc is connected with the grinding shaft through the connecting rods, the first grinding disc is connected with the grinding shaft through a bolt, the top end of the grinding shaft penetrates through the grinding tank and is connected with the grinding motor, an air exhaust assembly is arranged on the outer side of the grinding tank and comprises an air pump, an air delivery pipe, a filter tank and a filter cloth bag, and the filter cloth bag is arranged, and the top can be dismantled with the filter tank and be connected, the inlet end setting of filtering the jar is in the side of filtering the jar, the end of giving vent to anger of filtering the jar sets up on the top, and the end of giving vent to anger of filtering the jar passes through the gas-supply pipe with the inlet end of aspiration pump and connects, the inlet end and the grinding jar of filtering the jar pass through the gas-supply pipe and connect, the inside intercommunication setting of gas-supply pipe and grinding jar.

In further preferred, be provided with fixed lid on the filtration jar, be provided with the frame in the filter cloth bag, filter jar inside is provided with first solid fixed ring, the frame top is provided with the solid fixed ring of second, the bottom of fixed lid is provided with fixed pipe.

In further preferred, the discharge end of grinding pot is provided with discharging pipe and workbin, the one end of discharging pipe and the discharge end of grinding pot are connected, the other end of discharging pipe and the feed end threaded connection of workbin.

In a further preferred mode, the bottom of the filter tank is provided with a dust collecting box, and the dust collecting box is in threaded connection with the filter tank.

In a further preferred mode, the bottom of the grinding tank is provided with a support frame, the bottom of the grinding tank is in an inverted cone shape, and the discharge end of the grinding tank is arranged in the center of the bottom of the grinding tank.

In a further preferred mode, a flow guide cover is arranged above the first grinding disc, and the flow guide cover is in a conical shape.

In a further preferred embodiment, the bucket is arranged on the ground by a stand.

In further preferred, the air delivery pipe between filter jar and the grinding jar is provided with a plurality of, a plurality of the one end of air delivery pipe sets up with the grinding jar intercommunication respectively, a plurality of the other end of air delivery pipe communicates the setting each other.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model can put the raw material into the grinding tank on the ground through the discharging pipe, the rotating shaft, the helical blade and the feeding motor, the first grinding disk and the second grinding disk rotate under the driving of the grinding motor to roll the grinding beads in the arc-shaped groove, when the material passes through the first grinding disk and the grinding ring, the grinding beads can be ground into fine particles, after being ground for many times, the plastic powder particles can become very small to reach the production standard, the raw material falls onto the filter cover after being ground by the first grinding disk, the plastic powder particles with proper size pass through the filter cover and the second grinding disk and fall onto the bottom of the grinding tank, the larger plastic powder particles slide onto the filter cover between the second grinding disk and the grinding ring to be ground, the plastic powder finished product is fully ground under the guarantee, the plastic powder can be prevented from being excessively ground, and the inverted cone-shaped hole in the middle of the second grinding disk, can play the effect of water conservancy diversion, make the raw materials after the filtration fall on filtering cover, grind and finish, the aspiration pump starts, take away the inside air of grinding pot, form the negative pressure, make the inside remaining moulding powder granule of grinding pot along with the flow of air is siphoned away, and filter through the inside filtration sack of filtering pot, make the inside remaining moulding powder granule of grinding pot significantly reduce, avoid moulding powder granule to waft in the air, influence the environment, also can avoid the moulding powder quality of the production after remaining moulding powder granule influences.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the grinding tank of the present invention;

FIG. 3 is a schematic sectional view of the feeding pipe of the present invention;

FIG. 4 is a schematic cross-sectional view of the filter tank of the present invention;

fig. 5 is an enlarged view of a portion of a structure in fig. 2.

In the figure: 1. a grinding tank; 2. a feed pipe; 3. a charging bucket; 4. a rotating shaft; 5. a helical blade; 6. a feeding motor; 7. a first abrasive disk; 8. a second abrasive disk; 9. a grinding ring; 10. an arc-shaped slot; 11. grinding the beads; 12. grinding the shaft; 13. grinding the motor; 14. a hopper; 15. a filter housing; 16. a connecting rod; 17. an air pump; 18. a gas delivery pipe; 19. a filter tank; 20. a filter cloth bag; 21. a fixed cover; 22. a frame; 23. a first retaining ring; 24. a second retaining ring; 25. a fixed tube; 26. a discharge pipe; 27. a material box; 28. a dust collecting box; 29. a support frame; 30. and a flow guide cover.

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.

Example (b):

referring to fig. 1-5, a grinding mechanism for plastic powder production includes a grinding tank 1, a feeding pipe 2 is disposed at a feeding end of the grinding tank 1, the feeding pipe 2 is disposed in an inclined manner, a charging bucket 3 is disposed at a bottom end of the feeding pipe 2, a top end of the feeding pipe 2 is connected to the feeding end of the grinding tank 1, a rotating shaft 4 is disposed in the feeding pipe 2, a spiral blade 5 is disposed on the rotating shaft 4, a feeding motor 6 is disposed at one end of the feeding pipe 2, the rotating shaft 4 penetrates through the feeding pipe 2 and is connected to the feeding motor 6, a plurality of first grinding discs 7, a plurality of second grinding discs 8 and a plurality of grinding rings 9 are disposed inside the grinding tank 1, the first grinding discs 7 are disposed above the second grinding discs 8, the first grinding discs 7 and the second grinding discs 8 are both disposed in an inverted round table shape and are disposed in the middle of the grinding rings 9, the inner side of the grinding ring 9 is obliquely arranged, the side surfaces of the first grinding disc 7 and the second grinding disc 8 and the inner side of the grinding ring 9 are respectively provided with a plurality of arc-shaped grooves 10, a plurality of grinding beads 11 are arranged in the arc-shaped grooves 10, a grinding shaft 12 is arranged in the grinding tank 1, the top of the grinding tank 1 is provided with a grinding motor 13, the bottom surface of the grinding ring 9 is provided with a hopper 14, the middle of the second grinding disc 8 is hollow, the inner side of the second grinding disc 8 is in an inverted cone shape, a conical filter cover 15 is arranged above the second grinding disc 8, the middle of the filter cover 15 and the middle of the second grinding disc 8 are correspondingly arranged, a plurality of connecting rods 16 are arranged in the middle of the second grinding disc 8, the second grinding disc 8 and the grinding shaft 12 are connected through the connecting rods 16, the first grinding disc 7 and the grinding shaft 12 are connected through bolts, grinding pot 1 is passed on grinding shaft 12 top, and is connected with grinding motor 13, the outside of grinding pot 1 is provided with the subassembly of bleeding, the subassembly of bleeding includes aspiration pump 17, gas-supply pipe 18, filters jar 19 and filters sack 20, filter sack 20 sets up in filtering jar 19, and the top can be dismantled with filtering jar 19 and connect, the inlet end setting of filtering jar 19 is in the side of filtering jar 19, the end of giving vent to anger of filtering jar 19 sets up on the top, and the end of giving vent to anger of filtering jar 19 and the inlet end of aspiration pump 17 pass through gas-supply pipe 18 and connect, the inlet end of filtering jar 19 and grinding pot 1 pass through gas-supply pipe 18 and connect, the inside intercommunication setting of gas-supply pipe 18 and grinding pot 1.

In this embodiment, a fixing cover 21 is disposed on the filtering tank 19, a frame 22 is disposed in the filtering cloth bag 20, a first fixing ring 23 is disposed inside the filtering tank 19, a second fixing ring 24 is disposed on the top of the frame 22, and a fixing pipe 25 is disposed at the bottom of the fixing cover 21. The filter bag 20 can be supported by the frame 22, the second fixing ring 24 is placed on the first fixing ring 23, and the frame 22 and the filter bag 20 on the frame 22 can be fixed by pressing the second fixing ring 24 with the fixing tube 25.

In the embodiment, the discharge end of the grinding tank 1 is provided with a discharge pipe 26 and a feed box 27, one end of the discharge pipe 26 is connected with the discharge end of the grinding tank 1, and the other end of the discharge pipe 26 is in threaded connection with the feed end of the feed box 27. The discharge pipe 26 is preferably a hose, and during the grinding process, the discharge pipe 26 connects the discharge end of the grinding tank 1 and the feed end of the material box 27, so that the plastic powder particles coming out from the discharge end of the grinding tank 1 can be prevented from drifting into the air.

In this embodiment, a dust collecting box 28 is disposed at the bottom of the filter tank 19, and the dust collecting box 28 is screwed with the filter tank 19. The dust collecting box 28 is used for collecting the molding powder particles filtered by the filter cloth bag 20.

In this embodiment, the bottom of the milling tank 1 is provided with a support frame 29, the bottom of the milling tank 1 is arranged in an inverted cone shape, and the discharge end of the milling tank 1 is arranged at the center of the bottom of the milling tank 1. The bottom of the grinding tank 1 is in an inverted cone shape, so that plastic powder falling to the bottom of the grinding tank 1 can slide to a discharge hole in the middle of the grinding tank 1, and the plastic powder is convenient to discharge.

In the present embodiment, a flow guide sleeve 30 is disposed above the first grinding disk 7, and the flow guide sleeve 30 is conical. The air guide sleeve 30 can guide the molding powder particles falling onto the air guide sleeve 30 to slide between the first grinding disk 7 and the grinding ring 9.

In this embodiment, the bucket 3 is set on the ground by a stand. The support can let the storage bucket 3 hang above the inlet pipe 2, is convenient for the raw materials to fall into the inlet pipe 2.

In this embodiment, the air delivery pipe 18 between the filter tank 19 and the grinding tank 1 is provided with a plurality of air delivery pipes 18, a plurality of one end of the air delivery pipe 18 is respectively communicated with the grinding tank 1, and a plurality of the other end of the air delivery pipe 18 is communicated with each other. The plurality of air delivery pipes 18 can increase the speed of extracting the air in the grinding tank 1, so that the time for purifying the air in the grinding tank 1 is shortened.

The working principle is as follows:

in summary, in use, raw materials are poured into the material barrel 3, the feeding motor 6 is started to rotate the rotating shaft 4, the helical blades 5 send the raw materials in the material barrel 3 to the grinding tank 1, the grinding motor 13 is started to drive the first grinding disc 7 and the second grinding disc 8 to rotate through the grinding shaft 12, the raw materials fall into a gap between the first grinding disc 7 and the grinding ring 9, the materials are ground by the grinding beads 11, the raw materials are ground by the plurality of first grinding discs 7, grinding is sufficient, the raw materials fall from the gap between the first grinding disc 7 and the grinding ring 9, fall into the hopper 14, fall onto the flow guide cover 30 and then slide onto the gap between the first grinding disc 7 and the grinding ring 9 from the flow guide cover 30, when the raw materials fall onto the filter cover 15, sufficiently small material particles pass through the filter cover 15, relatively large particles slide between the second grinding disc 8 and the grinding ring 9, and then the materials are ground, after the materials pass through the second grinding disk 8, qualified materials cannot be excessively ground, unqualified materials can be continuously ground, the qualified materials pass through the hollow position between the filter cover 15 and the second grinding disk 8 and fall to the bottom of the grinding tank 1, then the qualified materials are discharged from the discharge hole and enter the material box 27 from the discharge pipe 26, after grinding is finished, the air suction pump 17 is started to suck air in the grinding tank 1, dust in the air is sucked out along with the air, the dust is sucked into the filter tank 19 and filtered by the filter cloth bag 20, plastic powder particles fall into the dust collection box 28 at the bottom of the filter tank 19, when the dust particles in the grinding tank 1 are reduced, the connection between the discharge pipe 26 and the discharge box 27 is disconnected, and therefore a large amount of dust cannot escape from the grinding tank 1.

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. A grinding mechanism for moulding powder production, includes grinding jar (1), its characterized in that: the feed end of the grinding tank (1) is provided with an inlet pipe (2), the inlet pipe (2) is obliquely arranged, the bottom end of the inlet pipe (2) is provided with a charging basket (3), the top end of the inlet pipe (2) is connected with the feed end of the grinding tank (1), a rotating shaft (4) is arranged in the inlet pipe (2), a spiral blade (5) is arranged on the rotating shaft (4), one end of the inlet pipe (2) is provided with a feed motor (6), the rotating shaft (4) penetrates through the inlet pipe (2) and is connected with the feed motor (6), a plurality of first grinding discs (7), a plurality of second grinding discs (8) and a plurality of grinding rings (9) are arranged in the grinding tank (1), the first grinding discs (7) are arranged above the second grinding discs (8), and the first grinding discs (7) and the second grinding discs (8) are both arranged in an inverted shape, the grinding device is arranged in the middle of a grinding ring (9), the inner side of the grinding ring (9) is obliquely arranged, a plurality of arc-shaped grooves (10) are respectively arranged on the side surfaces of a first grinding disc (7) and a second grinding disc (8) and the inner side of the grinding ring (9), a plurality of grinding beads (11) are arranged in the arc-shaped grooves (10), a grinding shaft (12) is arranged in the grinding tank (1), a grinding motor (13) is arranged at the top of the grinding tank (1), a hopper (14) is arranged on the bottom surface of the grinding ring (9), the middle of the second grinding disc (8) is hollow, the inner side of the second grinding disc (8) is arranged in an inverted cone shape, a conical filter cover (15) is arranged above the second grinding disc (8), the filter cover (15) and the middle of the second grinding disc (8) are correspondingly arranged, and a plurality of connecting rods (16) are arranged in the middle of the second grinding disc (8), the second grinding disc (8) is connected with the grinding shaft (12) through a connecting rod (16), the first grinding disc (7) is connected with the grinding shaft (12) through a bolt, the top end of the grinding shaft (12) penetrates through the grinding tank (1) and is connected with a grinding motor (13), an air pumping assembly is arranged on the outer side of the grinding tank (1), the air pumping assembly comprises an air pumping pump (17), an air conveying pipe (18), a filtering tank (19) and a filtering cloth bag (20), the filtering cloth bag (20) is arranged in the filtering tank (19), the top end of the filtering cloth bag is detachably connected with the filtering tank (19), the air inlet end of the filtering tank (19) is arranged on the side surface of the filtering tank (19), the air outlet end of the filtering tank (19) is arranged on the top end, the air outlet end of the filtering tank (19) is connected with the air inlet end of the air pumping pump (17) through the air conveying pipe (18), and the air inlet end of the filtering tank (19) is connected with the grinding tank (1) through the air conveying pipe (18), the gas pipe (18) is communicated with the inside of the grinding tank (1).

2. A grinding mechanism for molding powder production according to claim 1, wherein: the filter bag is characterized in that a fixing cover (21) is arranged on the filter tank (19), a frame (22) is arranged in the filter bag (20), a first fixing ring (23) is arranged inside the filter tank (19), a second fixing ring (24) is arranged at the top of the frame (22), and a fixing pipe (25) is arranged at the bottom of the fixing cover (21).

3. A grinding mechanism for molding powder production according to claim 1, wherein: the discharge end of grinding tank (1) is provided with discharging pipe (26) and workbin (27), the one end of discharging pipe (26) and the discharge end of grinding tank (1) are connected, the other end of discharging pipe (26) and the feed end threaded connection of workbin (27).

4. A grinding mechanism for molding powder production according to claim 1, wherein: the bottom of the filter tank (19) is provided with a dust collecting box (28), and the dust collecting box (28) is in threaded connection with the filter tank (19).

5. A grinding mechanism for molding powder production according to claim 1, wherein: the bottom of grinding tank (1) is provided with support frame (29), the bottom of grinding tank (1) sets up to the obconic shape, the discharge end setting of grinding tank (1) is at the center of grinding tank (1) bottom.

6. A grinding mechanism for molding powder production according to claim 1, wherein: a flow guide cover (30) is arranged above the first grinding disc (7), and the flow guide cover (30) is conical.

7. A grinding mechanism for molding powder production according to claim 1, wherein: the charging bucket (3) is arranged on the ground through a support.

8. A grinding mechanism for molding powder production according to claim 1, wherein: the air delivery pipe (18) between the filter tank (19) and the grinding tank (1) is provided with a plurality of which one end of the air delivery pipe (18) is communicated with the grinding tank (1) respectively and the other end of the air delivery pipe (18) is communicated with each other.